Re: [beagleboard] 부산해운대오피 김해오피 b(^_^)d김해오피 /Abam26.Com//아찔한밤/

2015-05-26 Thread liyaoshi
看不懂

2015-05-22 13:28 GMT+08:00 넘버원강남오피 abam1...@gmail.com:

 부산해운대오피  김해오피  b(^_^)d김해오피  /Abam26.Com//아찔한밤/부산해운대오피  김해오피
  b(^_^)d김해오피  /Abam26.Com//아찔한밤/부산해운대오피  김해오피  b(^_^)d김해오피
  /Abam26.Com//아찔한밤/부산해운대오피  김해오피  b(^_^)d김해오피  /Abam26.Com//아찔한밤/부산해운대오피
  김해오피  b(^_^)d김해오피  /Abam26.Com//아찔한밤/부산해운대오피  김해오피  b(^_^)d김해오피
  /Abam26.Com//아찔한밤/부산해운대오피  김해오피  b(^_^)d김해오피  /Abam26.Com//아찔한밤/부산해운대오피
  김해오피  b(^_^)d김해오피  /Abam26.Com//아찔한밤/부산해운대오피  김해오피  b(^_^)d김해오피
  /Abam26.Com//아찔한밤/부산해운대오피  김해오피  b(^_^)d김해오피  /Abam26.Com//아찔한밤/부산해운대오피
  김해오피  b(^_^)d김해오피  /Abam26.Com//아찔한밤/부산해운대오피  김해오피  b(^_^)d김해오피
  /Abam26.Com//아찔한밤/부산해운대오피  김해오피  b(^_^)d김해오피  /Abam26.Com//아찔한밤/부산해운대오피
  김해오피  b(^_^)d김해오피  /Abam26.Com//아찔한밤/부산해운대오피  김해오피  b(^_^)d김해오피
  /Abam26.Com//아찔한밤/부산해운대오피  김해오피  b(^_^)d김해오피  /Abam26.Com//아찔한밤/부산해운대오피
  김해오피  b(^_^)d김해오피  /Abam26.Com//아찔한밤/부산해운대오피  김해오피  b(^_^)d김해오피
  /Abam26.Com//아찔한밤/부산해운대오피  김해오피  b(^_^)d김해오피  /Abam26.Com//아찔한밤/부산해운대오피
  김해오피  b(^_^)d김해오피  /Abam26.Com//아찔한밤/부산해운대오피  김해오피  b(^_^)d김해오피
  /Abam26.Com//아찔한밤/부산해운대오피  김해오피  b(^_^)d김해오피  /Abam26.Com//아찔한밤/부산해운대오피
  김해오피  b(^_^)d김해오피  /Abam26.Com//아찔한밤/

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] Crashing accessing mmap location

2015-05-21 Thread liyaoshi
You can try only map 4Bytes


2015-05-22 3:13 GMT+08:00 Jacek Radzikowski jacek.radzikow...@gmail.com:

 Clocks for some of the GPIO modules are not enabled by default, and
 accessing them will cause BUS error. The easiest workaround is to
 export one pin from each of the modules using /sys interface:
 https://groups.google.com/d/msg/beagleboard/OYFp4EXawiI/Mq6s3sg14HoJ
 Here is a short script which does the job:
 https://github.com/piranha32/IOoo/blob/master/tools/bbb_enable_gpio.sh

 Regards,
 j.


 On Thu, May 21, 2015 at 2:59 PM,  ja...@dfsoftware.com wrote:
  I've been working to get the access to the GPIO registers to replace the
  existing sys access we are using now. However, I'm crashing accessing
 both
  GPIO 2 and 3 (1 and 2 appear fine). I'm sure I'm just doing something
  stupid. Here is some basic setup:
 
  __off_t MUX_OFFSET[] = {
  0x44E07000, // GPIO 0
  0x4804C000, // GPIO 1
  0x481AC000, // GPIO 2
  0x481AE000  // GPIO 3
  };
 
  struct MUX_LAYOUT
  {
  uint8_t *gpio_addr;
  uint32_t *gpio_oe_addr;
  uint32_t *gpio_setdataout_addr;
  uint32_t *gpio_cleardataout_addr;
  uint32_t *gpio_dataout_addr;
  uint32_t *gpio_datain_addr;
  };
 
  MUX_LAYOUT MUXes[4];
 
  #define GPIO_MEM_LENGTH 0xfff
  #define GPIO_OE 0x134
  #define GPIO_SETDATAOUT 0x194
  #define GPIO_CLEARDATAOUT 0x190
  #define GPIO_DATAOUT 0x13C
  #define GPIO_DATAIN 0x138
 
  Then here is example code that will always crash on accessing GPIO 2:
 
  fd = open(/dev/mem, O_RDWR);
 
  for( size_t gpio = 0; gpio  4; ++gpio)
  {
  MUX_LAYOUT mux = MUXes[gpio];
 
  mux.gpio_addr = (uint8_t*)mmap(0, GPIO_MEM_LENGTH, PROT_READ |
  PROT_WRITE, MAP_SHARED, fd, MUX_OFFSET[gpio]);
 
  if(mux.gpio_addr == MAP_FAILED)
  {
  throw MSC_EXCEPTION(Unable to map texpr PIO);
  }
 
  mux.gpio_oe_addr   = (uint32_t *)(mux.gpio_addr + GPIO_OE);
  mux.gpio_setdataout_addr   = (uint32_t *)(mux.gpio_addr +
  GPIO_SETDATAOUT);
  mux.gpio_cleardataout_addr = (uint32_t *)(mux.gpio_addr +
  GPIO_CLEARDATAOUT);
  mux.gpio_dataout_addr  = (uint32_t *)(mux.gpio_addr +
 GPIO_DATAOUT);
  mux.gpio_datain_addr   = (uint32_t *)(mux.gpio_addr +
 GPIO_DATAIN);
 
  // Crashes here when gpio == 2
  uint32_t temp = *mux.gpio_datain_addr;
  }
 
  In this case I'm crashing dereferencing gpio_datain_addr, but it will
 crash
  accessing any of the pointers created when setting up GPIO 2 and 3. Any
  thoughts? I'm running a relatively current debian build.
 
  Thanks for the help,
 
  Jared
 
  --
  For more options, visit http://beagleboard.org/discuss
  ---
  You received this message because you are subscribed to the Google Groups
  BeagleBoard group.
  To unsubscribe from this group and stop receiving emails from it, send an
  email to beagleboard+unsubscr...@googlegroups.com.
  For more options, visit https://groups.google.com/d/optout.



 --
 Given a choice between two theories, take the one which is funnier

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] BeagleBone Black PWM on QNX OS

2015-05-19 Thread liyaoshi
http://community.qnx.com/sf/wiki/do/viewPage/projects.bsp/wiki/TiAm335Beaglebone

2015-05-18 10:31 GMT+08:00 Charles Steinkuehler char...@steinkuehler.net:

 On 5/17/2015 8:03 AM, amir@gmail.com wrote:
  I would like to have a PWM output signal from BeagleBone Black. I have to
  use QNX operating System (due to Real-Time Constraints) on my BeagleBone.
  Do you have any suggestions how to do that?
  There is no out of the box QNX bsp to do that.

 If you want to use QNX, you'll have to perform all the hardware setup
 and configuration yourself.  It's reasonably straight-forward to
 interface to the PWM registers (see the TRM for details), but you'll
 also need to setup the clock multiplexing and resets before anything
 will work at all.  The Linux kernel code is a great reference for
 getting the clocks/resets configured properly, or you can refer to the
 TI bare-metal example applications.

 ...or see if the QNX folks will make a proper AM335x BSP for you.  :)

 --
 Charles Steinkuehler
 char...@steinkuehler.net

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] BeagleBone Black PWM on QNX OS

2015-05-19 Thread liyaoshi
Sorry , missing the key driver of pwm .
As I remember , QNX dont have the pwm as a architecture driver .

maybe from other bsp source as a reference ?

2015-05-20 10:48 GMT+08:00 liyaoshi liyao...@gmail.com:


 http://community.qnx.com/sf/wiki/do/viewPage/projects.bsp/wiki/TiAm335Beaglebone

 2015-05-18 10:31 GMT+08:00 Charles Steinkuehler char...@steinkuehler.net
 :

 On 5/17/2015 8:03 AM, amir@gmail.com wrote:
  I would like to have a PWM output signal from BeagleBone Black. I have
 to
  use QNX operating System (due to Real-Time Constraints) on my
 BeagleBone.
  Do you have any suggestions how to do that?
  There is no out of the box QNX bsp to do that.

 If you want to use QNX, you'll have to perform all the hardware setup
 and configuration yourself.  It's reasonably straight-forward to
 interface to the PWM registers (see the TRM for details), but you'll
 also need to setup the clock multiplexing and resets before anything
 will work at all.  The Linux kernel code is a great reference for
 getting the clocks/resets configured properly, or you can refer to the
 TI bare-metal example applications.

 ...or see if the QNX folks will make a proper AM335x BSP for you.  :)

 --
 Charles Steinkuehler
 char...@steinkuehler.net

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.




-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] CortexA15 L2 cache enable

2015-04-17 Thread liyaoshi
Actually I only have dra752 on hand . not beagleboard x15 .just custom J6
board

2015-04-17 13:45 GMT+08:00 Peter Lawler relwalre...@gmail.com:

 On 17/04/15 11:51, liyaoshi wrote:
  Hello all
 
  Do you know , how to enable L2 cache in Beagle-x15 board ?

 Screw enabling L2 cache, how to get hold of a Beagle-x15 board? ;)

 P.

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


[beagleboard] CortexA15 L2 cache enable

2015-04-16 Thread liyaoshi
Hello all

Do you know , how to enable L2 cache in Beagle-x15 board ?

Searching from google , and linux kernel source .

I dont find any function about the scu config for enable in kernel .

For Cortex-A9 , there will be almost PL310 cache controler , but on Cortex
A15 ,intergrated SCU replace the PL310 .

But I dont find any code related .

Does anyone know about this ?

Any idea is welcome and appreciate

Thanks and regards

-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] 8 port 1-wire cape

2015-03-30 Thread liyaoshi
not tested
but

http://lxr.free-electrons.com/source/drivers/w1/masters/w1-gpio.c?v=3.14

http://www.raspberrypi.org/forums/viewtopic.php?f=44t=65137

might be its possible

2015-03-31 4:20 GMT+08:00 fcampai...@gmail.com:

 I have a project that will use more than 8 1-wire sensors.  Since the
 1-wire networks is sensor addressable, I was wondering if it is possible to
 use one of the 8 port cape RJ11 jacks for more than one 1-wire sensor?

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] BeagleBoard XM or BeagleBone Black?

2015-02-20 Thread liyaoshi
For media player , RPI is a better choice

2015-02-20 14:26 GMT+08:00 Zainab S.V sv.zai...@gmail.com:

 Is there any other alternative in embedded linux that supports audio input
 and out (for speech processing applications), other than beaglebone? What
 about raspberry pi?

 On Fri, Feb 20, 2015 at 10:23 AM, John Syne john3...@gmail.com wrote:


 On Feb 19, 2015, at 8:14 PM, sns sv.zai...@gmail.com wrote:

 For audio projects,which need audio input and output(for speech
 processing projects),which is better xM or beaglebone black.i have found
 Beaglebone needs additional audiocape or usb sound card for this. And I
 think beagle xM doesn't need any additional features. Which is better ?
 On Saturday, May 25, 2013 at 7:42:43 PM UTC+5:30, hudvin wrote:

 Hi,
 I am going to use one of these boards as platform for XMBC.  That is the
 best choice: BeagleBoard Xm or BeagleBone Black? I don't see any meaningful
 difference (except price).

 The answer isn’t so simple. The DM3730 used on the Beagleboard-xM is more
 powerful because of the additional DSP, but there is currently no support
 in the current Linux kernel for the DSP processor. The DSP was supported in
 Linux kernel up to V3.4, using SysLink to communicate between the ARM
 processor and the DSP. SysLink has been replaced by RPMSG/RemoteProc, but
 there is currently no support for the DM3730. The new Beagleboard-x15 will
 be supported.

 However, the BBB with the TLV320AIC3104 audio cape does work, but if you
 require a microphone, you will need additional circuity because the audio
 cape does not support bias voltage required by the microphone.

 Regards,
 John


 Best regads,
 Vadym


 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to a topic in the
 Google Groups BeagleBoard group.
 To unsubscribe from this topic, visit
 https://groups.google.com/d/topic/beagleboard/oG4hbSsPPCI/unsubscribe.
 To unsubscribe from this group and all its topics, send an email to
 beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] Re: BBB USB Transfer Rate

2015-02-16 Thread liyaoshi
https://github.com/beagleboard/linux/blob/3.14/arch/arm/configs/bb.org_defconfig#L3728




2015-02-17 10:32 GMT+08:00 DLF dumb.looks.f...@gmail.com:

 fair point  I should have the same drive on my desktop with

 /dev/sdb:
  Timing buffered disk reads:  68 MB in  3.08 seconds =  22.09 MB/sec





 On Tuesday, 17 February 2015 03:22:15 UTC+1, RobertCNelson wrote:

 On Mon, Feb 16, 2015 at 8:14 PM, DLF dumb.lo...@gmail.com wrote:
  Merci Robert and thanks for all your great work - it is appreciated !
  
  I'd say it is not fixed
 
  root@beaglebone:~# uname -a
  Linux beaglebone 3.14.33-ti-r50 #1 SMP PREEMPT Wed Feb 11 18:16:43 UTC
  2015 armv7l GNU/Linux
 
 
  root@beaglebone:~# hdparm -t /dev/sda
 
  /dev/sda:
   Timing buffered disk reads:  28 MB in  3.16 seconds =   8.87 MB/sec

 So you have a crappy usb-flash drive...  How do we know that's the usb
 bus speed and not just a slow drive. ;)

  based on the release notes and known issues - there are still open
 points
  http://processors.wiki.ti.com/index.php/Sitara_Linux_SDK_
 Kernel_Release_Notes

 There will always be open points...

 Regards,

 --
 Robert Nelson
 http://www.rcn-ee.com/

  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] Re: BBB USB Transfer Rate

2015-02-14 Thread liyaoshi
my PC ip 10.10.0.1
board ip 10.10.0.2

2015-02-15 14:57 GMT+08:00 liyaoshi liyao...@gmail.com:

 Just as a reference on my test result

 I use usb gadget network and run iperf as benchtools

 # uname -a
 Linux buildroot 3.14.33 #10 SMP PREEMPT Sun Feb 15 13:57:32 CST 2015
 armv7l GNU/Linux
 # cat /proc/cpuinfo
 processor   : 0
 model name  : ARMv7 Processor rev 2 (v7l)
 BogoMIPS: 996.14
 Features: swp half thumb fastmult vfp edsp thumbee neon vfpv3 tls
 vfpd32
 CPU implementer : 0x41
 CPU architecture: 7
 CPU variant : 0x3
 CPU part: 0xc08
 CPU revision: 2

 Hardware: Generic AM33XX (Flattened Device Tree)
 Revision: 
 Serial  : 
 #

 # ./iperf -s
 
 Server listening on TCP port 5001
 TCP window size: 85.3 KByte (default)
 
 [  4] local 10.10.0.2 port 5001 connected with 10.10.0.1 port 43133
 [ ID] Interval   Transfer Bandwidth
 [  4]  0.0-20.3 sec   100 MBytes  41.3 Mbits/sec

 # ./iperf -c 10.10.0.1 -n 100M
 
 Client connecting to 10.10.0.1, TCP port 5001
 TCP window size: 43.8 KByte (default)
 
 [  3] local 10.10.0.2 port 50819 connected with 10.10.0.1 port 5001
 [ ID] Interval   Transfer Bandwidth
 [  3]  0.0- 7.0 sec   100 MBytes   120 Mbits/sec





 2015-02-15 13:02 GMT+08:00 William Hermans yyrk...@gmail.com:

 Just to let you all, and anyone else know my own findings . . . I setup a
 rootfs to load from an external USB hard drive( last year-ish ). I found
 that writes were as high as 20MB/s, but reads were around like the both of
 you seem to say. 10MB/s. So my own numbers seem to jibe with both of yours
 as well. At least for reads.

 Also as far as I know there was no DMA involved, *and* I could not say
 for sure which block size I used . . . maybe I posted that in an old post,
 but I do not remember. The methodology I used for testing was dd( /dev/zero
 to disk ) and time, together. So nothing fancy.

 On Sat, Feb 14, 2015 at 5:05 PM, Chris Morgan chmor...@gmail.com wrote:

 I can also confirm ~10MB/sec transfer rates with some testing I've
 done. This was some time ago, maybe 6 months, and with Angstrom.

 Chris


 On Sat, Feb 14, 2015 at 6:44 PM, Jeffrey Wilson colg...@gmail.com
 wrote:
  I am having transfer rate issues as well.  My post over on BeagleBone
 group
  has gotten zero attention.
  https://groups.google.com/forum/#!topic/beaglebone/KxYwZewmRLY
  In my case, the BBB cannot handle the video throughput of my camera,
  meanwhile a Rpi can.
  Jeff
 
 
  On Monday, December 29, 2014 at 1:31:28 PM UTC-5, t.c.pin...@gmail.com
  wrote:
 
  Untill now, the maximum transfer rate I could achieve is ~11 MB/s.
 I've
  tried this with different kernels with and without DMA enabled.
 
  Could anyone get more than this? If so, how can I achieve that?
 
  Thank you!
 
  TC
 
  --
  For more options, visit http://beagleboard.org/discuss
  ---
  You received this message because you are subscribed to the Google
 Groups
  BeagleBoard group.
  To unsubscribe from this group and stop receiving emails from it, send
 an
  email to beagleboard+unsubscr...@googlegroups.com.
  For more options, visit https://groups.google.com/d/optout.

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google
 Groups BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send
 an email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.




-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] Re: BBB USB Transfer Rate

2015-02-14 Thread liyaoshi
Just as a reference on my test result

I use usb gadget network and run iperf as benchtools

# uname -a
Linux buildroot 3.14.33 #10 SMP PREEMPT Sun Feb 15 13:57:32 CST 2015 armv7l
GNU/Linux
# cat /proc/cpuinfo
processor   : 0
model name  : ARMv7 Processor rev 2 (v7l)
BogoMIPS: 996.14
Features: swp half thumb fastmult vfp edsp thumbee neon vfpv3 tls
vfpd32
CPU implementer : 0x41
CPU architecture: 7
CPU variant : 0x3
CPU part: 0xc08
CPU revision: 2

Hardware: Generic AM33XX (Flattened Device Tree)
Revision: 
Serial  : 
#

# ./iperf -s

Server listening on TCP port 5001
TCP window size: 85.3 KByte (default)

[  4] local 10.10.0.2 port 5001 connected with 10.10.0.1 port 43133
[ ID] Interval   Transfer Bandwidth
[  4]  0.0-20.3 sec   100 MBytes  41.3 Mbits/sec

# ./iperf -c 10.10.0.1 -n 100M

Client connecting to 10.10.0.1, TCP port 5001
TCP window size: 43.8 KByte (default)

[  3] local 10.10.0.2 port 50819 connected with 10.10.0.1 port 5001
[ ID] Interval   Transfer Bandwidth
[  3]  0.0- 7.0 sec   100 MBytes   120 Mbits/sec





2015-02-15 13:02 GMT+08:00 William Hermans yyrk...@gmail.com:

 Just to let you all, and anyone else know my own findings . . . I setup a
 rootfs to load from an external USB hard drive( last year-ish ). I found
 that writes were as high as 20MB/s, but reads were around like the both of
 you seem to say. 10MB/s. So my own numbers seem to jibe with both of yours
 as well. At least for reads.

 Also as far as I know there was no DMA involved, *and* I could not say for
 sure which block size I used . . . maybe I posted that in an old post, but
 I do not remember. The methodology I used for testing was dd( /dev/zero to
 disk ) and time, together. So nothing fancy.

 On Sat, Feb 14, 2015 at 5:05 PM, Chris Morgan chmor...@gmail.com wrote:

 I can also confirm ~10MB/sec transfer rates with some testing I've
 done. This was some time ago, maybe 6 months, and with Angstrom.

 Chris


 On Sat, Feb 14, 2015 at 6:44 PM, Jeffrey Wilson colg...@gmail.com
 wrote:
  I am having transfer rate issues as well.  My post over on BeagleBone
 group
  has gotten zero attention.
  https://groups.google.com/forum/#!topic/beaglebone/KxYwZewmRLY
  In my case, the BBB cannot handle the video throughput of my camera,
  meanwhile a Rpi can.
  Jeff
 
 
  On Monday, December 29, 2014 at 1:31:28 PM UTC-5, t.c.pin...@gmail.com
  wrote:
 
  Untill now, the maximum transfer rate I could achieve is ~11 MB/s. I've
  tried this with different kernels with and without DMA enabled.
 
  Could anyone get more than this? If so, how can I achieve that?
 
  Thank you!
 
  TC
 
  --
  For more options, visit http://beagleboard.org/discuss
  ---
  You received this message because you are subscribed to the Google
 Groups
  BeagleBoard group.
  To unsubscribe from this group and stop receiving emails from it, send
 an
  email to beagleboard+unsubscr...@googlegroups.com.
  For more options, visit https://groups.google.com/d/optout.

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] c++ send hex over uart, leading zero's are dropped on receiving side

2015-02-10 Thread liyaoshi
I only get a case with insert several zero on special platform a few years
ago

Finally , I can only use ascII string convert first .then transfer over
uart and convert back in receiver

I dont know if this is related with chipset , This case is only happen on
QNX platform 6.4.1

2015-02-11 11:57 GMT+08:00 Przemek Klosowski przemek.klosow...@gmail.com:

 I am not sure if I understand--please clarify.

 On Sun, Feb 8, 2015 at 11:25 AM, oli4gate oli4.depoor...@gmail.com
 wrote:
  Hi,
 
  over the uart port I would like to send out following hexadecimal string
  C5C3010076.
 ...
  unsigned char tx_buf[9] =
  {0xC5,0xC3,0x01,0x00,0x00,0x00,0x00,0x00,0x76};  //unsigned is 0255
 signed
  is -128127
  unsigned char *p_tx_buf = tx_buf[0];  //points to the first element
 of
  the tx_buf
 
 int fd;
 
  //open uart2 for tx/rx, not controlling device
  if((fd = open(/dev/ttyO4, O_RDWR | O_NOCTTY | O_NDELAY))  0)
  printf(Unable to open uart2 access .\n);
  else
  printf(uart2 opened succesfully.\n);
 
 if(write(fd,tx_buf,sizeof(tx_buf))0)

 Ok, so you are not sending the hex string, but rather the binary
 values. I never ran it this way so I am not sure what might prevent it
 from working this way, but the following stack overflow discussion
 might be helpful:
 http://stackoverflow.com/questions/506805/binary-data-over-serial-terminal

  printf(ERROR : tx not send.\n);
  else
  for(unsigned int i = 0; i  sizeof(tx_buf); ++i)
  {
  std::cout  std::hex  (int)tx_buf[i];
  }
  printf( : tx send \n);

 You do realize that the 'else' block contains just the for() {} loop
 and not the printf statement?
 (your indentation seems to indicate otherwise)  I recommend using
 curly braces always even if the conditional block has just one
 statement.

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] Rpi2 + Windows 10. Who's gonna buy BBB?

2015-02-07 Thread liyaoshi
If only soc update for rpi

We should talk about allwinner A31s ?



2015-02-06 4:44 GMT+00:00 William Hermans yyrk...@gmail.com:

 Personally, I think Windows( period ) makes less / no sense in the context
 of an $35 embedded platform. $5 licensing fee ? If so, maybe, but until
 then. . . no.

 Anyway, is there some set rule that we can not buy one of each, or many of
 some, and a few of another ? That said, I seriously doubt you're going to
 find an x15 for $35, *or* a rPI with a PRU or 4.

 On Tue, Feb 3, 2015 at 2:13 PM, Paulo Ferreira p...@keeh.net wrote:


 On 03/02/2015, at 13:18, Maxim Podbereznyy lisar...@gmail.com wrote:

  Hey guys!
 
  I'm pretty sure that you already heard about Raspberry Pi 2
  announcement but I find more exciting news that the brand new windows
  10 operating system will get official support at Rpi2. Taking in
  account more powerful processor (in comparison with the successor) and
  super low price, and win10 support of course, - who's gonna buy BBB or
  BB-X15?
 
  More info about Win10 support is here:
  https://dev.windows.com/en-us/featured/raspberrypi2support
 
  cheers!


 Today you can join the Windows Developer Program for IoT:
 http://dev.windows.com/en-us/featured/Windows-Developer-Program-for-IoT

 Last phrase before the footer of the webpage:
 This program is restricted to noncommercial development..



 paf




 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] Re: OSX + Baeglebone = Nightmare

2015-02-07 Thread liyaoshi
Another choice
You can donate your MAC to me [?]

2015-02-07 5:32 GMT+00:00 William Hermans yyrk...@gmail.com:

 *As a wise man once said, If you don't have anything constructive to say,
 don't speak.*


 I do not think I could have put it better myself.

 On Fri, Feb 6, 2015 at 4:16 AM, SimGQ garymquig...@gmail.com wrote:

 Thank you for that constructive comment William, very grown up. I'll bet
 my European arse is a lot smaller than your American butt... Its a bit like
 this thread, one of the first I read about BBB
 https://groups.google.com/forum/#!searchin/beagleboard/hermans/beagleboard/951nWp_Jcnc/ZZV0GPwB3z8J
 Eye opening, anyone asks a question or queries anything and they get
 flamed along the lines of We developed this board for free and you expect
 our knowledge for free yet there is no option to get any knowledge other
 than as you and other point out in that thread Google. You guys seem to
 be offended if someone doesn't want to use the command line vis ssh. You do
 realise its 2015?

 We or any BBB newbie are not asking for our hands to be held, just a few
 pointers. The work we did on the Arduino is now being packaged as open
 source, thats a fully working implementation of CanOpen geared specifically
 towards motor / servo control, it will save devs months of work.

 Anyway, I do understand the OS, no need for the snide superior attitude,
 we are prototyping, you surely understand the concept? Spend little,
 develop fast, then invest in custom PCB's etc. The BBB has a fairly
 powerful CPU and CAN bus, it ticks a lot of boxes for us. We are a start up
 not Microsoft or Tesla, FFS (to paraphrase you). We were just a little
 surprised to find basic issues with running off a 5v supply, has to be a
 very clean supply, not just any 5V 2A supply. Basically we had a lot of
 teething problems, which we have mostly had to work around, not solve.

 The issue of USB connectivity: its a lot more convenient for us to just
 use USB for demo / mobility purposes, rather than having two cables plugged
 into the BBB, ethernet  USB. For our fixed machines, I agree it's not a
 problem, but for those using laptops, its a bit of a nuisance.

 Forgive me for complaining about the lack of documentation. Case in point:
 Take the LSM303, finding coherent instructions was difficult. I bought
 Derek Molloy's book and we are now tearing ahead, his instructions are
 consistent. Infant we bought heaps of books (all I could find) on the BBB,
 if you go through them, there are discrepencies even in basic set up.

 As a wise man once said, If you don't have anything constructive to say,
 don't speak.

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] Cannot SSH into BBB (or access 192.168.7.2 web page) from Linux

2015-02-07 Thread liyaoshi
linux pc run
dhclient -i usb0


2015-02-06 20:28 GMT+00:00 jseb...@gmail.com:


 Forgive me if this issue is resolved elsewhere, I've looked but couldn't
 find a solution.

 I have a BeagleBone Black, running the latest BeagleBone Debian
 distribution.

 I had been running Debian Wheezy 7.8.0 on a desktop, and had been able to
 ssh into the BBB from the Gnome desktop terminal.
 However, I recently moved to Debian Jessie, the Testing distribution, and
 cannot get the BBB to work.
 I have tried all the different desktop options available, Gnome, KDE,
 Cinnamon, etc, and what happens every time is that the BBB is mounted and I
 can peruse the boot folder, however I cannot access the 192.168.7.2
 address at all, and 192.168.7.1 isn't listed by ifconfig either.
 Is there something simple I am missing that is keeping the BBB from
 working here?
 I am fairly inexperienced with Linux, so I would guess this is so.

 I am also pretty certain the BBB isn't to blame, as it works when plugged
 into my Windows desktop... it grabs the 192.168.7.2 ip address, and is
 accessible through ssh and the web page.

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] Re: contract development needed (should be quick, simple, and fun)

2015-02-07 Thread liyaoshi
What if I only have FUN ?

2015-02-06 8:53 GMT+00:00 TJF jeli.freih...@gmail.com:

 @William,

 thanks for the explanation. I think you misinterpret my post. I didn't
 apply for the job. I just wanted to give a hint how the OPer can save time
 and therefor money, when he reconsiders his concept.

 BTW: In our days Frisco and northern Europe is just a mouse click off.

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] Boot Problem eMMC

2015-01-27 Thread liyaoshi
Boot with sd card and run fsck /dev/mmc1p2 ?

2015-01-27 17:09 GMT+08:00 manoel.da...@gmail.com:

 Hi

 Yesterday I was using my BBB and everything was working fine. But this
 morning when I launched it, a lot of errors showed up..
 I'm running Debian, which was already on the BBB when I bought it.
 This is what I see on my monitor.


 https://lh6.googleusercontent.com/-t05xhVzUuAk/VMdTfrCIMpI/AA4/LW8GgUQ9zhQ/s1600/IMG_20150127_092331.jpg


 https://lh4.googleusercontent.com/-QpuKEz-cGxE/VMdTUDe0mBI/AAw/h7uTl_1m4hw/s1600/IMG_20150127_095741.jpg

 After few researches, it seems that the eMMC is corrupted... but i'm not
 sure.

 Anyone know what's going on ? And how to fix it ?


  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] questions about BBB SD cards and formatting

2015-01-24 Thread liyaoshi
What I remember is
omap3 have 64k SRAM , omap4 have 32k SRAM ,dm8148/j4/j5 have SRAM ,dm8168
have 256k
am335x have 64k SRAM

2015-01-25 13:03 GMT+08:00 Robert Nelson robertcnel...@gmail.com:


 On Jan 24, 2015 10:56 PM, liyaoshi liyao...@gmail.com wrote:
 
  If I understand correctly
  Boot rom dont care about the FAT table . its only read first several
 blocks
  generally , MLO should be on the 2nd block ,1st block is MBR ,
  But if there is a FAT file system . 2nd block should be fat table ,
  3nd block should be MLO
 
  whats my failed boot experience is when you format a sd card ,then copy
 a dummy file first ,then copy MLO to fat partiton
  this will cause boot failed
 
  and if you try another way , fdisk from 10M an create only one ext4
 partiton
  dd if=MLO of=/dev/sdb bs=512 seek=2
  this still boot mlo ,but no u-boot.bin , this only because u-boot source
 code
 
  Actually , if you check QNX ipl source code , they dont need any FAT
 
  And if you really want a customed u-boot ,
  You can get it minimized lower than 64K and boot kernel directly

 Mainline u-boot also doesn't require 'fat', on omap4+ you can also use
 ext, as long as mlo is copied first. For omap3 there isn't enough SRAM so
 it can be either fat or ext

 
 
  2015-01-24 3:40 GMT+08:00 Robert Nelson robertcnel...@gmail.com:
 
 yup, i realize that now. is this behaviour documented somewhere in
   an official TI am335x/omap4+ reference manual somewhere?
 
  It tis.. under raw mode..
 
  Regards,
 
  --
  Robert Nelson
  http://www.rcn-ee.com/
 
  --
  For more options, visit http://beagleboard.org/discuss
  ---
  You received this message because you are subscribed to the Google
 Groups BeagleBoard group.
  To unsubscribe from this group and stop receiving emails from it, send
 an email to beagleboard+unsubscr...@googlegroups.com.
  For more options, visit https://groups.google.com/d/optout.
 
 
  --
  For more options, visit http://beagleboard.org/discuss
  ---
  You received this message because you are subscribed to the Google
 Groups BeagleBoard group.
  To unsubscribe from this group and stop receiving emails from it, send
 an email to beagleboard+unsubscr...@googlegroups.com.
  For more options, visit https://groups.google.com/d/optout.

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] questions about BBB SD cards and formatting

2015-01-24 Thread liyaoshi
If I understand correctly
Boot rom dont care about the FAT table . its only read first several blocks
generally , MLO should be on the 2nd block ,1st block is MBR ,
But if there is a FAT file system . 2nd block should be fat table ,
3nd block should be MLO

whats my failed boot experience is when you format a sd card ,then copy a
dummy file first ,then copy MLO to fat partiton
this will cause boot failed

and if you try another way , fdisk from 10M an create only one ext4
partiton
dd if=MLO of=/dev/sdb bs=512 seek=2
this still boot mlo ,but no u-boot.bin , this only because u-boot source
code

Actually , if you check QNX ipl source code , they dont need any FAT

And if you really want a customed u-boot ,
You can get it minimized lower than 64K and boot kernel directly


2015-01-24 3:40 GMT+08:00 Robert Nelson robertcnel...@gmail.com:

yup, i realize that now. is this behaviour documented somewhere in
  an official TI am335x/omap4+ reference manual somewhere?

 It tis.. under raw mode..

 Regards,

 --
 Robert Nelson
 http://www.rcn-ee.com/

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] BBB does not recognize usb3 seagate 5TB drive

2015-01-24 Thread liyaoshi
I bet his driver  only use  usb power supply from BBB board

2015-01-25 10:09 GMT+08:00 John Syn john3...@gmail.com:


 From: wjr w...@ksu.edu
 Reply-To: beagleboard@googlegroups.com beagleboard@googlegroups.com
 Date: Saturday, January 24, 2015 at 5:42 PM
 To: beagleboard@googlegroups.com beagleboard@googlegroups.com
 Subject: [beagleboard] BBB does not recognize usb3 seagate 5TB drive

 I'm wanting to use a BBB as a backup server for a cloud-based mysqld. I'm
 running ubuntu 13.10 and I got a Seagate 5TB usb3 ntfs expansion drive. I'm
 using it with my desktop that runs centos and everything's OK. But when I
 tried moving the drive to the BBB, it simply does not recognize it, i.e.
 ls /dev shows no difference before and after I plug it in. I'm so used to
 things like this just working that I'm really not sure where to start.

 After you insert your drive, what errors do you see when you run the
 command dmesg?

 Regards,
 John

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.

  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] [BBB] Debian vs Angstrom: which one is better for HDMI and CEC?

2015-01-24 Thread liyaoshi
This is only depend on the kernel version
As I think , kernel 3.14.x will have the best support of this , but only
kernel 3.12 have the gpu support on am335x boards

2015-01-25 12:01 GMT+08:00 Hung Nguyen nguyenhuuphuh...@gmail.com:

 Hi All,

 I'm a newbie with BBB and going to work with HDMI and CEC. Which distro is
 the better support for HDMI and CEC between Debian and Angstrom ?

 Thanks so much.

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] Re: BeagleBoard-X15 - seriously? :)

2015-01-17 Thread liyaoshi
I would believe this is because business reason :)
same DIE ,mask some function for different price

2015-01-18 12:47 GMT+08:00 Matthijs van Duin matthijsvand...@gmail.com:

 On Sunday, 18 January 2015 05:23:51 UTC+1, liyaoshi wrote:

 AM57x dont have EVE IP


 Well, they *have* four EVEs, but they didn't pass the factory test and got
 disabled. If all EVEs did pass the test it would probably have ended up
 with TDA2 stamped on its package. It two pass the tests (and both DSPs)
 it may end up a high-end DRA75x.  On the other hand, the DRA7xx however are
 apparently okay with one SGX-540 core being disabled, while that wouldn't
 be acceptable for an AM572x.

 This is how your rescue the yield of such a huge and complicated die.

  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] Reading large file from USB HDD causes 100% CPU usage

2015-01-17 Thread liyaoshi
As I understand

USB 2.0 will cause 8000 interrupts in 1 seconds , an interrupt  per 125us
while read / write will cause some spin lock , specially ,when your write .

And erase 1 nand block will cause several millisecond
so when you write the usb stick . you always get no useful spin lock wait ,
but you can not skip it

what you can do is

Buy a faster speed usb stick . [?]


2015-01-18 1:01 GMT+08:00 Jan Stanstrup stanst...@gmail.com:

 Hi.


 I am running ubuntu on BBB rev C and I have a USB disk attached. I am
 having trouble accessing large files on the USB disk over sftp and ftp.
 When I start a transfer it starts fine but after some minutes CPU is at
 100% and the transfer slows to a crawl. I have tried different ftp servers
 but it makes no difference.

 I think I have narrowed the problem down to a problem of reading from the
 USB disk.

 If I make a large file:
 dd if=/dev/zero of=file.txt count=1024 bs=400
 (which seem to be no problem)
 and try to read it with
 time sh -c dd if=file.txt bs=4k
 the same thing happens. After a while CPU reaches 100%.

 I have tried using nice and oinice on the process but it doesn't help.

 I found a discussion of a  similar problem (
 https://bbs.archlinux.org/viewtopic.php?id=112846p=4) where it was
 suggested to set /sys/kernel/mm/transparent_hugepage/defrag to madvise.
 But I could not figure out how to do that on the BBB (transparent_hugepage
 doesn't exist and cannot be created).

 Any ideas for what I can do?

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] Re: BeagleBoard-X15 - seriously? :)

2015-01-17 Thread liyaoshi
As I understand ,
1) dm81xx only support syslink ti called ipc ver1.x
2) dra74x only support ipc version 3.x , compatible with linux kernel rpmsg
3)pci-e is nothing with Ti ipc
4) Ti implement ipu/hdvpss on their m4/m3 with BIOS/rtos ,this is depend on
the ipc version . and no opensource code

About the pci-e on am57xx should have some difference with dm81xx
at least , if am57xx same as dra7xx , dra7xx have 2 pci-e subsystems .while
dm81xx only have one

You can contract Ti with Dra74x TRM ,maybe NDA needed ,but this should be
the  right way .


2015-01-18 7:17 GMT+08:00 Matthijs van Duin matthijsvand...@gmail.com:

 On Friday, 16 January 2015 16:29:37 UTC+1, RobertCNelson wrote:

 Check on linux-omap, Tony's been adding DM81xx support..


 :D


 I think the problem with lack of mainline DM81xx support, is TI/etc never
 made a low cost BeagleBoard thus, the community never worked on it. ;)


 Yup, a shame since they're pretty nice chips... although of course they
 suddenly seem less impressive after having seen what's on Vayu.

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] Re: BeagleBoard-X15 - seriously? :)

2015-01-17 Thread liyaoshi
AM57x dont have EVE IP

2015-01-18 11:50 GMT+08:00 Robert Nelson robertcnel...@gmail.com:

 On Sat, Jan 17, 2015 at 8:34 PM, liyaoshi liyao...@gmail.com wrote:
  As I understand ,
  1) dm81xx only support syslink ti called ipc ver1.x
  2) dra74x only support ipc version 3.x , compatible with linux kernel
 rpmsg

 Related to ipc 3.x/rpmsg, started hacking on getting ducati
 (gst-ducati) working, got this far last week:

 https://gist.github.com/RobertCNelson/34eedeae27bce1ce6358

  3)pci-e is nothing with Ti ipc
  4) Ti implement ipu/hdvpss on their m4/m3 with BIOS/rtos ,this is depend
 on
  the ipc version . and no opensource code
 
  About the pci-e on am57xx should have some difference with dm81xx
  at least , if am57xx same as dra7xx , dra7xx have 2 pci-e subsystems
 .while
  dm81xx only have one

 The am57xx is a dra74x, just like omap's prior. The DR74x is a
 automotive specific designation, whereas the am57xx has the
 sitara/catalog (wide market) branding..

 Same hardware underneath, just a different marketing name..

 Regards,

 --
 Robert Nelson
 http://www.rcn-ee.com/

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] bmp085 with uext connection with BBB

2015-01-14 Thread liyaoshi
Can you try connect with external 5V supply ?
BTW, suggest R2 and R3 connect with 10k resister ,


2015-01-15 12:14 GMT+08:00 JAY KOTHARI jaikothar...@gmail.com:

 Hello,
   I am using bmp085 sensor with uext connection with beaglebone black.
 I have made change in device tree of BBB. I have made i2c1(pin 17 and 18)
 as input pin and pulled up internally and set it to mode two. I have also
 set compatible property in device tree to load module of bmp085.
  After looking into hardware design manual of bmp085 I interface with
 beaglebone black.I connected four wire (vdd(pin3),gnd(pin1),sda(pin17) and
 scl(pin18)) and kept other unconnected.


 https://www.olimex.com/Products/Modules/Sensors/MOD-BMP085/resources/MOD-BMP085_sch.pdf

When I boot my kernel my bmp085 module is loaded automatically and I am
 getting entry in /dev of i2c1

 Problem:
 When I connect BBB with bmp085 my kernel hangs or BBB does not start
 at allWhat may be the problem
Note:
I am not using 5v supply.


 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] Re: H264 HD Encoding at 30FPS

2015-01-08 Thread liyaoshi
Wait for X-15 ?

2015-01-09 4:59 GMT+08:00 Robert Nelson robertcnel...@gmail.com:

 On Wed, Jan 7, 2015 at 2:00 AM,  hassanmailb...@gmail.com wrote:
  HY Mikhail,
  I also want to do H.264 video encoding at 30 FPS using
  embedded platforms. I have following option: Tegra K1, Tegra X1, Beagle
 bone
  and Raspberry PI. Since i am a beginner in this field. Can u kindly tell
 me
  that whether you were successful in doing H.264 encoding on Beagle Bone?
 
  I have done H.264 and H.265 encoding on CPU using FFmpeg and H.264
 encoding
  on GPU using Nvidia NVENC but havent tried it on an embedded platform.

 30 FPS? But at what video resolution and framerate?

 Those other devices have dedicated video hardware, we don't have that
 on the bone.

 Regards,

 --
 Robert Nelson
 http://www.rcn-ee.com/

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] t

2014-12-23 Thread liyaoshi
u?

2014-12-24 1:03 GMT+08:00 Robert Nelson robertcnel...@gmail.com:

 o

 On Tue, Dec 23, 2014 at 10:53 AM, Gerald Coley ger...@beagleboard.org
 wrote:
  i
 
  On Tue, Dec 23, 2014 at 9:32 AM, Robert Jonathan Šimon
  bertiks...@gmail.com wrote:
 
  e

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] Qt 5.4 on BBB OpenGL: Linux is dead after execute examples. Keyboard and mouse have no response.

2014-12-14 Thread liyaoshi
As I know , Ti's Graphic driver will not support 3.18 kernel for current
now
You should use 3.12 to match the ti graphic driver

2014-12-14 12:07 GMT+08:00 Yang Lei y34...@gmail.com:

 Thanks!

 I tried adding -platform eglfs but the result is still the same. Either
 mouse and keyboard doesn't response.

 I believe the default platform is eglfs. So, even I don't use -platform
 option, the it should run with eglfs platform. Am I right? My reference is
 here http://doc.qt.io/qt-5/embedded-linux.html.

 Any more suggestion?



 On Sat, Dec 13, 2014 at 5:54 PM, John Syn john3...@gmail.com wrote:


 From: Yang Lei y34...@gmail.com
 Reply-To: beagleboard@googlegroups.com beagleboard@googlegroups.com
 Date: Saturday, December 13, 2014 at 1:55 PM
 To: beagleboard@googlegroups.com beagleboard@googlegroups.com
 Subject: [beagleboard] Qt 5.4 on BBB OpenGL: Linux is dead after execute
 examples. Keyboard and mouse have no response.

 Hello everyone

 I’m new on Qt on arm linux. I’m trying to cross compile the newest
 version Qt 5.4 for Beaglebone Black(BBB). I think I almost successed
 because I finished configure and make of Qt 5.4 based on root file system
 on BBB. When I try to run an example, the GUI shows up but the linux is
 dead and there is no response from keyboard and mouse. The only thing I can
 do is to reset BBB. Could someone help me with this problem? I will
 describe my steps as follow:

 1. Build Ubuntu SD card

 For this step, I followed the following website:
 *https://eewiki.net/display/linuxonarm/BeagleBone+Black*
 https://eewiki.net/display/linuxonarm/BeagleBone+Black

 Kernel version:
 Linux arm 3.18.0-bone1 #1 Mon Dec 8 23:08:59 EST 2014 armv71 armv71
 armv71 GNU/Linux

 Root file system:
 Ubuntu 14.04.1 LTS

 Cross compiler:
 arm-linux-gnueabihf-gcc (crosstool-NG linaro-1.13.1-4.9-2014.09 – Linaro
 GCC 4.9-2014.09) 4.9.2 20140904 (prerelease)

 The SD card just works fine.

 2. Build and install SGX driver
 Also, I followed the SGX part of the following website
 *https://eewiki.net/display/linuxonarm/BeagleBone+Black*
 https://eewiki.net/display/linuxonarm/BeagleBone+Black

 The demo program OGLES2ChameleonMan works fine.

 3. Build Qt 5.4
 (1) Download Qt 5.4 source qt-everywhere-opensource-src-5.4.0.tar.gz
 *http://download.qt-project.org/archive/qt/5.4/5.4.0/single/*
 http://download.qt-project.org/archive/qt/5.4/5.4.0/single/

 (2) Configure Qt 5.4
 copy the newest cross compiler library to root file system (otherwise the
 configure has errors)

1. sudo cp -r some dir/gcc-linaro-arm-linux-gnueabihf-4.9-2014.09
_linux/arm-linux-gnueabihf/libc/* some dir/rootfs

 edit /qtbase/mkspecs/devices/linux-beaglebone-g++/qmake.conf

1. Ln 29: COMPILER_FLAGS  = -march=armv7-a -mtune=cortex-a8 -
mfpu=neon -mfloat-abi=hard
2. Ln 39: QMAKE_INCDIR_EGL= $$[QT_SYSROOT]/usr/include/OGLES2

 configure

1. sudo ./configure -prefix /home/ubuntu/*Qt*
http://qt-project.org/doc/Qt.html -device linux-beaglebone-g++ -
device-option CROSS_COMPILE=/home/albert/arm-dev/kernel_dev/bb-kernel/
dl/gcc-linaro-arm-linux-gnueabihf-4.9-2014.09_linux/bin/arm-linux-
gnueabihf- -sysroot /media/albert/rootfs -release -opensource -confirm
-license -opengl es2 -v

 configure result

1.Configure summary
2.
3. Building on:   linux-g++ (x86_64, CPU features: mmx sse sse2)
4. Building for:  devices/linux-beaglebone-g++ (arm, CPU features:
neon)
5. Platform notes:
6.
7. - Also available for Linux: linux-kcc linux-icc linux-
cxx
8.
9. qmake vars .. styles += mac fusion windows DEFINES +=
QT_NO_MTDEV DEFINES += QT_NO_LIBUDEV QMAKE_X11_PREFIX = /usr sql-drivers
=  sql-plugins =  sqlite qmake switches .
10.
11. Build options:
12.   Build parts  libs examples
13.   Mode ... release
14.   Using C++11  yes
15.   Using gold linker... yes
16.   Using PCH .. yes
17.   Target compiler supports:
18. Neon . yes
19.
20. *Qt* http://qt-project.org/doc/Qt.html modules and options:
21.   *Qt* http://qt-project.org/doc/Qt.html D-Bus ...
runtime
22.   *Qt* http://qt-project.org/doc/Qt.html Concurrent ..
yes
23.   *Qt* http://qt-project.org/doc/Qt.html GUI .
yes
24.   *Qt* http://qt-project.org/doc/Qt.html Widgets .
yes
25.   Large File . yes
26.   QML debugging .. yes
27.   Use system proxies . no
28.
29. Support enabled for:
30.   Accessibility .. yes
31.   ALSA ... no
32.   CUPS ... no
33.   Evdev .. yes
34.   FontConfig . no
35.   FreeType ... yes (bundled copy)
36.   Glib ... no
37.   GTK theme .. no
38.   HarfBuzz 

Re: [beagleboard] Re: BB Black and SSD1289 with 3.8

2014-12-10 Thread liyaoshi
Well , maybe you can try this ?

http://pastebin.com/pkTf7xfJ  from this thread
http://www.raspberrypi.org/forums/viewtopic.php?f=41t=33679

BTW , I dont think SSD1289  is a good choice , if you are in BBB platform .

when we talking about DISPLAY , there two things , called source driver and
gate driver .

like LCDC , you can consider it as source driver , while TFT panel , you
can consider its a gate  driver .

for several years ago , there is no LCDC integrated in arm SOC ,

So solomen and epson (As I know ) will have some modules integrated LCDC
and SRAM (Framebuffer) and TFT gate driver

And only memory space is enough , you can connect like sram(M68K  MODE )
.or NAND (8080 MODE ,IO MODE)

the  benefit is 1) no lcdc need ,2)on module integrated sram used as
framebuffer takes few bandwidth (static screen ,no content change ) will
not cost main memory bandwidth

But in BBB board, since you have already got a LCD controller , and the
memory bandwidth is definitely enough ,

I suppose  a TFT panel is enough .


​

-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] Serial-USB device node?

2014-12-03 Thread liyaoshi
just make it clear , do you connect your DB9 cable with USB port on BBB ?
From host site , You can NOT use getty , You should use minicom


2014-12-03 11:42 GMT+08:00 motib...@gmail.com:

 Thanks for the tip. I'm getting a /dev/ttyUSB0 device node when I connect
 a USB-serial cable, but it remains a dialout port and I can't spawn an
 agetty from /etc/inittab.

 On Monday, December 1, 2014 5:58:25 PM UTC-8, liyaoshi wrote:

 https://www.kernel.org/doc/Documentation/usb/gadget_serial.txt
 /dev/ttyGS0 mean when your otg port connect to another host , like PC in
 Windows , You will get a serial port via USB

 if your usb-serial adapter connected , you will get /dev/ttyUSB0 in
 common case.

  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] Custom Beaglebone black Audio cape with TLV320AIC3110

2014-12-01 Thread liyaoshi
If your radio mean FM and AM without DAB , i recommend TEF6657

If with DAB ,TEF7741 DIRANA2 is better choice ,and this is a very general
chip in audio CAR

BTW , I had write a demo version TEF6657 audio driver ,

About the TLVAIC3104 , Its only have about 2w amplifier ,

for a 25x4 w amplifier , Your 5v2A power is not enough .

2014-12-02 6:18 GMT+08:00 Rick jetfo...@gmail.com:


  On Nov 26, 2014, at 15:54 , resandevinw...@gmail.com wrote:
 
  Hi Rick,
 
  I am hardware engineer too; Sounds like we are in the same boat:)
 
  I essentially want to build a radio, so I'll be developing a cape with
 audio out and amplifier
 
  I would recommend you to have look at TLV320AIC3100 with class D 4ohm
 speaker driver.  It saves you amplifier design for driving speakers and has
 stereo Headphone ports. Needless to say, with class D amplifier you get the
 lowest power consumption possible compared to class AB etc.
  If you need stereo speaker output consider TLV320AIC3110.

 Okay, good. I found that IC in my research, thought it might be useful.

  (is I2S the same as your I2c2?)
  No, TI calls I2S, Inter IC Sound, McASP which is a four wire bus. I2C is
 Inter-Integrated Circuit and is a two wire bus. For codec you need both of
 them. You need I2C for programming the registers and I2S for transmission
 of voice.

 I realized after reading more that i2c2 must've been the Sitara's I2C
 bus #2, and that I2S support was provided by McASP.

  Could I ask you additional questions as I get further into this?
  That's what forum is for. It is pretty simple. Just connect your I2C and
 I2S to micros I2C and McASP, do the procedure that I wrote above, and you
 are done.

 Awesome, thanks!
 
  Best regards,
 
  -Alex
 
 
 
 
 
  On Tuesday, November 25, 2014 4:01:29 PM UTC-8, Rick M wrote:
 
 
  On Thursday, November 13, 2014 5:46:32 PM UTC-8, resande...@gmail.com
 wrote:
  Hi,
 
  I am trying to design a cape with TLV320AIC3110 for Beaglebone black
 using I2c2 and Mcasp0.
 
  Alex, I, too am looking to develop an audio application using a BBB, but
 know very little about Linux audio (I'm a capable-enough hardware engineer,
 and have lots of software development experience on iOS/OS X and numerous
 small processors, bare-metal, but not a ton of Linux). I essentially want
 to build a radio, so I'll be developing a cape with audio out and
 amplifier. Your choice of IC might be adequate, or I'll find some other I2S
 chip (is I2S the same as your I2c2?). My cape will also have some
 additional electronics for interfacing the rest of my radio's user
 interface.
 
  Could I ask you additional questions as I get further into this?
 
  Thanks!
 
  --
  Rick
 
  --
  For more options, visit http://beagleboard.org/discuss
  ---
  You received this message because you are subscribed to a topic in the
 Google Groups BeagleBoard group.
  To unsubscribe from this topic, visit
 https://groups.google.com/d/topic/beagleboard/8RU9ayMPBlc/unsubscribe.
  To unsubscribe from this group and all its topics, send an email to
 beagleboard+unsubscr...@googlegroups.com.
  For more options, visit https://groups.google.com/d/optout.

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] GPIO high during boot

2014-12-01 Thread liyaoshi
No

http://git.denx.de/?p=u-boot.git;a=blob;f=board/genesi/mx51_efikamx/efikamx.c;h=6ba55cd08a82f62a5cd420b024ff68cdb0cc171a;hb=HEAD

This is  a reference for u-boot

2014-11-28 15:18 GMT+08:00 nwk...@gmail.com:

 How do I change the Pullup settings in uboot?

  I guess I have to edit /board/ti/am335x/board.h, right?
 But what do I actually have to change?


 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] LED backlight driver

2014-12-01 Thread liyaoshi
well ,
xhuang8@INFO-HP-Z400:~/git/linux-stable$ grep -r gpio-backlight
arch/arm/boot/*
arch/arm/boot/dts/omap3-thunder.dts:compatible =
gpio-backlight;
arch/arm/boot/dts/omap3-ha-lcd.dts: compatible =
gpio-backlight;
arch/arm/boot/dts/omap4-var-dvk-om44.dts:   compatible =
gpio-backlight;
arch/arm/boot/dts/imx27-eukrea-mbimxsd27-baseboard.dts: compatible
= gpio-backlight;
arch/arm/boot/dts/omap3-overo-common-lcd43.dtsi:compatible
= gpio-backlight;
arch/arm/boot/dts/omap3-overo-common-lcd35.dtsi:compatible
= gpio-backlight;
arch/arm/boot/dts/omap3-panel-sharp-ls037v7dw01.dtsi: * gpios for
gpio-backlight.
arch/arm/boot/dts/omap3-panel-sharp-ls037v7dw01.dtsi:   compatible
= gpio-backlight;

grep is my friend

2014-11-27 23:37 GMT+08:00 rmquai...@gmail.com:

 Hello ,

 I am a new developer.

 I have to write LED backlight driver on GPIO and by my understanding it
 will go in the path /drivers/video/backlight

 Please suggest what changes are required in the DT file so that the probe
 function is called in my driver. I am using the already available driver

 gpio_backlight.c

 Can you also send example of the DT file,

 Regards

  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] Serial-USB device node?

2014-12-01 Thread liyaoshi
https://www.kernel.org/doc/Documentation/usb/gadget_serial.txt
/dev/ttyGS0 mean when your otg port connect to another host , like PC in
Windows , You will get a serial port via USB

if your usb-serial adapter connected , you will get /dev/ttyUSB0 in common
case.


2014-11-28 8:38 GMT+08:00 motib...@gmail.com:

 I have a terminal hooked to a DB9 connector on my BB that works fine as a
 serial console (/dev/ttyO0), but I can't seem to get a USB-serial adapter
 cable to work so that I can connect more terminals. I can see agetty
 running on /dev/ttyGS0 -- is that the miniUSB port? What tty is associated
 with USB-serial cable connected to the regular USB port?

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] Beaglebone Black PicoTCP SMP Oops

2014-12-01 Thread liyaoshi
You should post your .config file also
No idea about this panic ,


2014-11-26 20:10 GMT+08:00 miers...@gmail.com:


 Hi guys,

 I'm trying to get the following Linux fork to work on the BeagleBone Black
 (BBB):

 https://github.com/danielinux/linux/tree/picotcp

 It's basically the Linux tcp/ip stack replaced with PicoTCP, this is a
 tcp/ip stack designed for embedded devices.

 I tried booting the board but I get the following bootlog:

 1777.log.txt
 http://e2e.ti.com/cfs-file.ashx/__key/communityserver-discussions-components-files/791/1777.log.txt

 I'm wondering if anyone knows how to tackle the error message:

 Unable to handle kernel paging request at virtual address e02f8fe0

 Internal error: Oops: 5 [#1] SMP THUMB2

 I tried debugging but this didn't give any result so far. When I disable
 PicoTCP, the board boots fine. I tried disabling SMP in kernel but it gives
 the same error message but without SMP ( so only Oops: THUMB2).

 The maintainer told me I should check the SMP implementation but I'm not
 sure where to start or find relevant info on SMP implementation/programming
 in the Linux kernel or tcp/ip stack.

 Any tips or help would be greatly appreciated.

 Thanks in advance,

 Laurens

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] Re: cannot install vnc on BBB with Debian

2014-12-01 Thread liyaoshi
This mean you should connect your board to internet .
check your network setting

2014-12-02 14:01 GMT+08:00 aryaksasidha...@gmail.com:

 Thank you Mr. Robert for replying. i have attached a screenshot of puTTy
 ssh window that represent the error. Please go through this. Shall i port
 latest OS into the board?


 On Tuesday, December 2, 2014 10:59:42 AM UTC+5:30, aryaksa...@gmail.com
 wrote:

 Good morning

 I just started with BBB, and I have Debian OS inside the board. I want to
 remotely access the board using VNC viewer. I entered BBB using ssh in
 puTTY.


 i have used the following commands

 # apt-get update
 # apt-get upgrade
 # apt-get dist-upgrade
 # apt-get install x11vnc
  after this i got errors, i think it is not installed correctly. can
 anyone help me?


  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] Re: cannot install vnc on BBB with Debian

2014-12-01 Thread liyaoshi
Yes , connect via Ethernet ,
and turn on the routers dhcp server
and reboot the board

2014-12-02 14:15 GMT+08:00 aryaksasidha...@gmail.com:

 Thank you

 but how i connect my board to internet? i just plugged with usb cable to
 the pc. For internet connection shall i need any ethernet connection to the
 network through router? i tried to assign a static ip address to  BBB. but
 it didn't work
 what i will do?

 On Tuesday, December 2, 2014 10:59:42 AM UTC+5:30, aryaksa...@gmail.com
 wrote:

 Good morning

 I just started with BBB, and I have Debian OS inside the board. I want to
 remotely access the board using VNC viewer. I entered BBB using ssh in
 puTTY.


 i have used the following commands

 # apt-get update
 # apt-get upgrade
 # apt-get dist-upgrade
 # apt-get install x11vnc
  after this i got errors, i think it is not installed correctly. can
 anyone help me?


  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] [OT]: ATMEL AT91SAM9G25/ARM926EJ-S Helpneededforinterpretationofadmesgmessage

2014-11-30 Thread liyaoshi
About the time clock , as I know , its about the crystal , called jitter ?
You can correct it with NTP client or GPS , ( if you have gps )

2014-11-30 23:55 GMT+08:00 meino.cra...@gmx.de:

 Hi,

 I am using a Arietta G25 (http://www.acmesystems.it/arietta) with
 Robert Nelsons Kernel 3.17.3 and the kernel configuration provided
 by Acmesystems for their Debian Linux for the Arietta G25 based on
 Linux kernel 3.16.1.
 As far as I know the only patches they used are agains dts/dtb files
 (I use the same ones) and to configure the kernel without the need of
 using makeconfig.

 So far so nice...the system boots with a Gentoo stage3 rootfs.

 There only two things left:
 1.) shuthdown -h -H now (as said to be used by Acmesystems) reboots
 the system instead of powering it off (which works with their
 image).

 2.) The at91 RTC is missing the Real...the difference are several
 minutes per hour.

 I compared the dmesg output of the Arietta G25 booted with one and
 the other system. With the Gentoo system there is one line which
 irritates me and may indicate a way to a solution for the RTC problem:

 [0.00] Main crystal frequency not set, using approximate value
 [0.00] master clk is overclocked
 [0.00] sched_clock: 32 bits at 128 Hz, resolution 7812500ns, wraps
 every 167772160ns
 [0.00] Console: colour dummy device 80x30
 [0.054687] Calibrating delay loop... 220.07 BogoMIPS (lpj=862208)

 The clock frequency of the CPU is unknown??? The Debian system does
 not have that problem...

 Any suggestion how to fix one or (better! :) both problem is VERY 8)
 appreciated! Thank you very much in advance for any help!

 Best regards,
 Meino



 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] [OT]: ATMEL AT91SAM9G25/ARM926EJ-S Helpneededforinterpretationofadmesgmessage

2014-11-30 Thread liyaoshi
seems dts config file error , but from

http://www.acmesystems.it/compile_linux_3_16

maybe you should try this patch
http://www.acmesystems.it/www/compile_linux_3_16/acme.patch

or can you show up your patch ?

2014-12-01 10:38 GMT+08:00 meino.cra...@gmx.de:

 Hi liyaoshi,

 thanks for your posting!

 I am not searching for workaround -- the small Arietta will
 become a mobile device which has no connection to the
 internet.

 I am searching for the reasons of the two problems and want
 to fix the (currently unknown) bugs behind that.

 Even without sync an RTC should not become THAT wrong as
 the RTC of the Arietta currently.

 What does this dump from dmesg mean?

 Best regards,
 Meino




 liyaoshi liyao...@gmail.com [14-12-01 02:57]:
  About the time clock , as I know , its about the crystal , called jitter
 ?
  You can correct it with NTP client or GPS , ( if you have gps )
 
  2014-11-30 23:55 GMT+08:00 meino.cra...@gmx.de:
 
   Hi,
  
   I am using a Arietta G25 (http://www.acmesystems.it/arietta) with
   Robert Nelsons Kernel 3.17.3 and the kernel configuration provided
   by Acmesystems for their Debian Linux for the Arietta G25 based on
   Linux kernel 3.16.1.
   As far as I know the only patches they used are agains dts/dtb files
   (I use the same ones) and to configure the kernel without the need of
   using makeconfig.
  
   So far so nice...the system boots with a Gentoo stage3 rootfs.
  
   There only two things left:
   1.) shuthdown -h -H now (as said to be used by Acmesystems) reboots
   the system instead of powering it off (which works with their
   image).
  
   2.) The at91 RTC is missing the Real...the difference are several
   minutes per hour.
  
   I compared the dmesg output of the Arietta G25 booted with one and
   the other system. With the Gentoo system there is one line which
   irritates me and may indicate a way to a solution for the RTC problem:
  
   [0.00] Main crystal frequency not set, using approximate value
   [0.00] master clk is overclocked
   [0.00] sched_clock: 32 bits at 128 Hz, resolution 7812500ns,
 wraps
   every 167772160ns
   [0.00] Console: colour dummy device 80x30
   [0.054687] Calibrating delay loop... 220.07 BogoMIPS (lpj=862208)
  
   The clock frequency of the CPU is unknown??? The Debian system does
   not have that problem...
  
   Any suggestion how to fix one or (better! :) both problem is VERY 8)
   appreciated! Thank you very much in advance for any help!
  
   Best regards,
   Meino
  
  
  
   --
   For more options, visit http://beagleboard.org/discuss
   ---
   You received this message because you are subscribed to the Google
 Groups
   BeagleBoard group.
   To unsubscribe from this group and stop receiving emails from it, send
 an
   email to beagleboard+unsubscr...@googlegroups.com.
   For more options, visit https://groups.google.com/d/optout.
  
 
  --
  For more options, visit http://beagleboard.org/discuss
  ---
  You received this message because you are subscribed to the Google
 Groups BeagleBoard group.
  To unsubscribe from this group and stop receiving emails from it, send
 an email to beagleboard+unsubscr...@googlegroups.com.
  For more options, visit https://groups.google.com/d/optout.

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] Re: JavaFX 8 on BeagleBone Black (SGX driver problem?)

2014-11-30 Thread liyaoshi
I have tested Ti gpu driver on omap5 uevm board based with GLSDK 6.04

The gpu driver crash didn't be fixed for a very long time .

iMX6 GPU will crash also ,if high cpu load and very frequency interrupt
case, you might get kernel panic on imx6-solo

but on fsl QUAD cores  , Its more stable , maybe because of their gpu
kernel  driver is based on work queue . .

But for FSL kernel driver . lack of I2C /SPI dma support , if you want use
very high spi through put , like DMB/CMMB chip always do

You will get poor performance .




2014-12-01 11:39 GMT+08:00 Nick Apperley napper...@gmail.com:

 Presumably the closed source driver is an installer that is run on any
 Freescale imx6 board. If that is the case then TI's GPU support is **ahem,
 cough, cough** severely lacking.



 On Monday, 1 December 2014 16:35:39 UTC+13, Nick Apperley wrote:

 Looks as though Freescale have made the closed source driver available
 for all the GPUs they use (Vivante). Have heard that JavaFX programs will
 run via the framebuffer (hardware rendering) just fine with both the closed
 (official) and open source (unofficial - reverse engineered) Vivante GPU
 drivers.


 On Sunday, 30 November 2014 15:45:45 UTC+13, liyaoshi wrote:

 http://www.freescale.com/lgfiles/NMG/MAD/YOCTO/gpu-viv-
 bin-mx6q-3.10.17-1.0.0-hfp.bin

 Do you mean this ?


 2014-11-30 9:35 GMT+08:00 Robert Nelson robert...@gmail.com:


 On Nov 29, 2014 7:22 PM, Nick Apperley napp...@gmail.com wrote:
 
  Robert - thanks for the advise. Would it make sense economically to
 go for the Wandboard Quad over the upcoming Beagleboard X15 when it comes
 to running GUI programs?

 3d: vivante will be reversed engineered before powervr. Freescale
 hasn't released 'armhf' drivers whereas ti has..

 The 'x15' will be supported by bb.org and ti.. Who really supports the
 wand? All the info I put out is just because I replaced my failing pandas
 with quad wands...

 Regards,

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google
 Groups BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send
 an email to beagleboard...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] Re: JavaFX 8 on BeagleBone Black (SGX driver problem?)

2014-11-29 Thread liyaoshi
http://www.freescale.com/lgfiles/NMG/MAD/YOCTO/gpu-viv-bin-mx6q-3.10.17-1.0.0-hfp.bin

Do you mean this ?


2014-11-30 9:35 GMT+08:00 Robert Nelson robertcnel...@gmail.com:


 On Nov 29, 2014 7:22 PM, Nick Apperley napper...@gmail.com wrote:
 
  Robert - thanks for the advise. Would it make sense economically to go
 for the Wandboard Quad over the upcoming Beagleboard X15 when it comes to
 running GUI programs?

 3d: vivante will be reversed engineered before powervr. Freescale hasn't
 released 'armhf' drivers whereas ti has..

 The 'x15' will be supported by bb.org and ti.. Who really supports the
 wand? All the info I put out is just because I replaced my failing pandas
 with quad wands...

 Regards,

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] Re: JavaFX 8 on BeagleBone Black (SGX driver problem?)

2014-11-26 Thread liyaoshi
Cortex-A15 dual cores

2014-11-27 9:45 GMT+08:00 Nick Apperley napper...@gmail.com:

 Curious. Which ARM CPU does the OMAP5 SoC use?


 On Thursday, 27 November 2014 09:38:48 UTC+13, john3909 wrote:


 On 11/26/14, 7:59 AM, Robert Nelson robert...@gmail.com wrote:

 On Tue, Nov 25, 2014 at 4:42 PM, Nick Apperley napp...@gmail.com
 wrote:
  Can't see the OpenJDK 8 build. I take it the build failed?
 
  Have some fantastic news on the Ubuntu front. Various OpenJDK 8
 packages via
  an unofficial PPA are available for Ubuntu 12.04 (Precise) and 14.04
  (Trusty).
 
 So it only took 38 hours 19 minutes. ;)
 So the Quad CortexA9 took 5 days (120 hours) and the OMAP5 took 38 hours
 which is more then 3X performance. My bet is the build was running all
 CPUs close to 100% for the entire build so this would be a good
 comparison.

 Regards,
 John
 
 http://repos.rcn-ee.net/debian/pool/main/o/openjdk-8/
 
 Built for jessie:
 
 sudo apt-get update ; sudo apt-get install openjdk-8-jdk
 
 Regards,
 
 --
 Robert Nelson
 http://www.rcn-ee.com/
 
 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google
 Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send
 an
 email to beagleboard...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] serial UART async_low_latency does not seem to work. still 10ms latency!

2014-11-25 Thread liyaoshi
So , can you try the 1024HZ for kernel scheduler ?
And , do you have fflush () after you write uart ?

2014-11-25 23:51 GMT+08:00 Thomas O skjor...@gmail.com:

 Hey liyaoshi... I am running both uarts in 3,000,000 bytes per second! It
 is the problem that i get long delys 10ms or more so it is not related to
 speed but to latency.
 Also it seems the kernel only copies from kernel space to the uart in that
 same 10ms intervals. so it fills up the send queue for 10ms.

 On Tuesday, November 25, 2014 1:54:06 AM UTC, liyaoshi wrote:

 speed up to 921600bps or more if your remote uart can work

 2014-11-24 19:17 GMT+08:00 Thomas O skjo...@gmail.com:

 Hi all i am writing some software using the OMAP_SERIAL drivers to send
 and receive data from a c program (TERMIOS).

 I am seeing large delays 10ms ticks when sending and receiving data on
 the UARTS

  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] serial UART async_low_latency does not seem to work. still 10ms latency!

2014-11-25 Thread liyaoshi
Finally CONFIG_HZ  will take effects the scheduler

Assuming you  use default 32k clock source .from default kernel config and
source .

And what I guess if you get delay about 10ms , you might get a delay
schedule on 128HZ in default config

So , If you use 1024HZ ,you can get about 1ms latency .

And if the data is very frequency , fifo will not be the problem ,

what I just guess ,

if you only send several bytes in a peak time . fifo might be not enough to
generate an interrupt . there is a 64 BYTES fifo in omap uart host
controller .

If this case just for bluetooth like

skip fifo setting , just use 1024HZ ,it should be solve

2014-11-26 11:40 GMT+08:00 William Hermans yyrk...@gmail.com:

 This is for UART ? There may even be a kernel boot config option that will
 work with this hardware as well. Meaning: No need to recompile the kernel
 to see if it works.

 On Tue, Nov 25, 2014 at 7:47 PM, liyaoshi liyao...@gmail.com wrote:

 So , can you try the 1024HZ for kernel scheduler ?
 And , do you have fflush () after you write uart ?

 2014-11-25 23:51 GMT+08:00 Thomas O skjor...@gmail.com:

 Hey liyaoshi... I am running both uarts in 3,000,000 bytes per second!
 It is the problem that i get long delys 10ms or more so it is not related
 to speed but to latency.
 Also it seems the kernel only copies from kernel space to the uart in
 that same 10ms intervals. so it fills up the send queue for 10ms.

 On Tuesday, November 25, 2014 1:54:06 AM UTC, liyaoshi wrote:

 speed up to 921600bps or more if your remote uart can work

 2014-11-24 19:17 GMT+08:00 Thomas O skjo...@gmail.com:

 Hi all i am writing some software using the OMAP_SERIAL drivers to
 send and receive data from a c program (TERMIOS).

 I am seeing large delays 10ms ticks when sending and receiving data on
 the UARTS

  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google
 Groups BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send
 an email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] GPIO high during boot

2014-11-25 Thread liyaoshi
make it pull up in uboot
or
use as fixedregulator

  regulators {
compatible = simple-bus;

reg_3p3v: 3p3v {
compatible = regulator-fixed;
regulator-name = 3P3V;
regulator-min-microvolt = 330;
regulator-max-microvolt = 330;
regulator-boot-on;
regulator-always-on;
gpio = gpio3 23 0 ,gpio3 20 0;



2014-11-25 23:55 GMT+08:00 Nils nwk...@gmail.com:

 Hello,

 I'm using the BeagleBone Black's GPIOs to drive some outputs.
 I'm running Kernel 3.8, so I used the Device Tree to configure the GPIOs.
 The cape is loaded during boot via the capemgr.
 But until the BBB has fully booted, some of the GPIOs are set to high.
 Is there a way to prevent this?

 Regards,
 Nils

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] serial UART async_low_latency does not seem to work. still 10ms latency!

2014-11-24 Thread liyaoshi
speed up to 921600bps or more if your remote uart can work

2014-11-24 19:17 GMT+08:00 Thomas O skjor...@gmail.com:

 Hi all i am writing some software using the OMAP_SERIAL drivers to send
 and receive data from a c program (TERMIOS).

 I am seeing large delays 10ms ticks when sending and receiving data on the
 UARTS.

 In the normal linux driver there is a option called ASYNC_LOW_LATENCY.
 When i am setting this flag via IOCTL i was expecting this latency to
 drop. But it seems ti be ignored by the OMAP_SERIAL driver.
 I have tried to set the option both via the following code snippet and via
 the STTY command line interface.

 Any information on this or any way to get the latency down would be much
 appreciated.

 /Thomas

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] serial UART async_low_latency does not seem to work. still 10ms latency!

2014-11-24 Thread liyaoshi
And if you really want the low latency instead of output throw

http://git.omapzoom.org/?p=kernel/omap.git;a=blob;f=drivers/tty/serial/omap-serial.c;h=f3aed1f4766742cac97419ff214577b58d19e01b;hb=7e6408234000c6526dae3f55c851adbcaae2d9ef#l1460

Try use lower fifo water marker ,

Try   up-port.fifosize = 8;

This might cause data overflow , No guarantee about this  ,just try it


2014-11-25 9:53 GMT+08:00 liyaoshi liyao...@gmail.com:

 speed up to 921600bps or more if your remote uart can work

 2014-11-24 19:17 GMT+08:00 Thomas O skjor...@gmail.com:

 Hi all i am writing some software using the OMAP_SERIAL drivers to send
 and receive data from a c program (TERMIOS).

 I am seeing large delays 10ms ticks when sending and receiving data on
 the UARTS.

 In the normal linux driver there is a option called ASYNC_LOW_LATENCY.
 When i am setting this flag via IOCTL i was expecting this latency to
 drop. But it seems ti be ignored by the OMAP_SERIAL driver.
 I have tried to set the option both via the following code snippet and
 via the STTY command line interface.

 Any information on this or any way to get the latency down would be much
 appreciated.

 /Thomas

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.




-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] serial UART async_low_latency does not seem to work. still 10ms latency!

2014-11-24 Thread liyaoshi
And another way
try
CONFIG_OMAP_32K_TIMER_HZ=1024
in your kernel CONFIG


2014-11-25 9:59 GMT+08:00 liyaoshi liyao...@gmail.com:

 And if you really want the low latency instead of output throw


 http://git.omapzoom.org/?p=kernel/omap.git;a=blob;f=drivers/tty/serial/omap-serial.c;h=f3aed1f4766742cac97419ff214577b58d19e01b;hb=7e6408234000c6526dae3f55c851adbcaae2d9ef#l1460

 Try use lower fifo water marker ,

 Try   up-port.fifosize = 8;

 This might cause data overflow , No guarantee about this  ,just try it


 2014-11-25 9:53 GMT+08:00 liyaoshi liyao...@gmail.com:

 speed up to 921600bps or more if your remote uart can work

 2014-11-24 19:17 GMT+08:00 Thomas O skjor...@gmail.com:

 Hi all i am writing some software using the OMAP_SERIAL drivers to send
 and receive data from a c program (TERMIOS).

 I am seeing large delays 10ms ticks when sending and receiving data on
 the UARTS.

 In the normal linux driver there is a option called ASYNC_LOW_LATENCY.
 When i am setting this flag via IOCTL i was expecting this latency to
 drop. But it seems ti be ignored by the OMAP_SERIAL driver.
 I have tried to set the option both via the following code snippet and
 via the STTY command line interface.

 Any information on this or any way to get the latency down would be much
 appreciated.

 /Thomas

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google
 Groups BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send
 an email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.





-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] Accessing and controlling PMIC, TPS65217C, from shell

2014-11-24 Thread liyaoshi
As I know , if only 2 wires , you can not access the Li+battery status ,
you can just get voltage value from PMU

There always another 1 wire to get the communication with MCU in battery
module

2014-11-25 8:52 GMT+08:00 resandevinw...@gmail.com:

 Hi All,

 I connected a rechargeable Li+ battery to my BBB TP5, TP6, TP7, and TP8. I
 shorted TP5 and TP6 and added a 10uF decoupling capacitor. In addition, I
 connected TS to GND with a 9K resistor which is 10K || 75K according to the
 datasheet and the board boots fine from battery.
 Now my question is that how can I monitor the battery status(how much they
 are charged) or change the setting of PMIC, TPS65127C from shell. For
 instance, I would like to set the charging voltage to 4.2 rather than the
 default 4.1V. Or I would like to turn on/off WLED etc. Is there a tool,
 like Alsamixer, for this? if not what would be the best approach for
 controlling PMIC from shell? I posted it here because PMIC uses I2C
 interface to talk to AM335x.


 https://lh4.googleusercontent.com/-E-wdJPfnG5U/VHPNaDDU9WI/AAo/tEjegAyAzAM/s1600/bbb-batt-srm.jpg


 https://lh3.googleusercontent.com/-d7FQ9BVS6J4/VHPNtiSxI4I/AAw/3_g2aL5Q2K4/s1600/bbb-batt1.jpg

 Thanks for your time and consideration.

  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] How to communicate USB-to-serial through USB hub (ttyACM0)

2014-11-24 Thread liyaoshi
check your usb hub power supply ?

2014-11-25 0:29 GMT+08:00 Teis Draiby t...@teis.net:


 I am currently communicating between my Beaglebone and a Maple board via a
 serial connection directly through a USB cable. This works well. (LeafLabs
 Maple is an Arduino-like board with an on-board USB connector)

 Due to power requirements I want to relpace the direct USB connection with
 a power supplied USB hub but when connecting the Maple board this way I do
 no longer see the serial device listed.

 I am new to Linux/Debian and am unsure what to do from here, and if it's
 even possible to perform serial communication through an USB hub.


 -
 Direct USB(Beaglebone)-to-USB(Maple) serial communication (works)

 -
 Beaglebone terminal:

 # uname -a
 Linux beaglebone 3.8.13-bone47 #1 SMP Fri Apr 11 01:36:09 UTC 2014 armv7l
 GNU/Linux

 # lsusb
 *Bus 001 Device 003: ID 1eaf:0004*
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
 Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

 # ls /dev/ttyA*
 */dev/ttyACM0*


 
 Serial communication through USB hub (missing serial device?)

 
 Beaglebone terminal:

 # lsusb
 *Bus 001 Device 002: ID 05e3:0612 Genesys Logic, Inc.*- this only
 shows up when using a special hd-USB cable.
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
 Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

 # ls /dev/ttyA*
 ls: cannot access /dev/ttyA*: No such file or directory

 # ls /dev/ttyU*
 ls: cannot access /dev/ttyU*: No such file or directory


 


 Any advice from here is greatly appreciated.


 thanks, Teis

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] Maximum SD card size for BBB

2014-11-21 Thread liyaoshi
Again , Its not about filesystem , its about SD SPEC V3.0 (SDXC) vs SD
SPEC V2.0 (SDHC)

You can NOT use SDXC card on a SDHC host ,some SD v3.0 CMD will over size
in v2.0

This is a hardware spec limited

2014-11-21 20:26 GMT+08:00 Philip Polstra ppols...@gmail.com:

 Would SDXC work if reformatted to get rid of Microsoft's proprietary exFAT
 filesystem or is the hardware limited to 32GB?  Just curious, haven't
 needed anything larger than 32.
 On Nov 21, 2014 7:15 AM, William Hermans yyrk...@gmail.com wrote:

 So buy a flash memory stick ? Or put a ssd in an external enclosure . . .

 On Thu, Nov 20, 2014 at 11:22 PM, Brian Heckathorne neo...@gmail.com
 wrote:

 Thank you very much that info should be in the bbb wiki very helpful and
 good to know. Especially that a usb device could solve the issue. I take
 lots of pictures order of thousands and need the space but dont want to
 goto a power hungry usb disk drive.
 On Nov 20, 2014 10:15 PM, Robert Nelson robertcnel...@gmail.com
 wrote:

 On Thu, Nov 20, 2014 at 10:12 PM, Brian neo...@gmail.com wrote:
  Maybe the correct question is what does the BBB have?
 
  Because SDXC uses a different file system called exFAT and it works
  differently than standard SD cards, this new format is NOT backwards
  compatible with host devices that only take SD (128MB to 2GB) or host
  devices that only take SDHC (4GB to 32GB). Most host devices built
 after
  2010 should be SDXC compatible.
 
  Is it an SDHC or SDXC?

 The ip block on the am335x can not handle SDXC, you'll have to use
 an external usb adapter to use SDXC cards on the bbb.

 Regards,

 --
 Robert Nelson
 http://www.rcn-ee.com/

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to a topic in the
 Google Groups BeagleBoard group.
 To unsubscribe from this topic, visit
 https://groups.google.com/d/topic/beagleboard/rK3y2ih1kig/unsubscribe.
 To unsubscribe from this group and all its topics, send an email to
 beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.

  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google
 Groups BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send
 an email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.

  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] Maximum SD card size for BBB

2014-11-21 Thread liyaoshi
This is  surprise me

Can someone do another test  like one single file over than 32G ?

2014-11-22 6:36 GMT+08:00 Robert Nelson robertcnel...@gmail.com:

 On Fri, Nov 21, 2014 at 4:11 PM, William Hermans yyrk...@gmail.com
 wrote:
  Robert, So am I reading this correctly, and you've got the system to boot
  off an SDXC card ? Well at least mounting the rootfs from it ?

 That is correct, it's been running tests all day.  I've been trying to
 find a good sdxc implementation manual, as i thought they changed the
 base command set.  Unless SanDisk, put their own hardware
 compatibility layer..

 Regards,


 --
 Robert Nelson
 http://www.rcn-ee.com/

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] Re: Recommendation to boot / resume Linux in less than a second...

2014-11-12 Thread liyaoshi
As I said

1) Turn mmu and cache on,use dma in u-boot, remove any you dont needed code
2) Remove code  you dont needed , or make as modules  in kernel
3) Dont print in serial port
4) And use wayland instead of X11
5) make sure font cache prepared in write able folder

Some not so good options
1)overclock
2)remove printk in kernel
3)sstrip your binary code (this will cause QT plugin failed load)

2014-11-12 16:49 GMT+08:00 Maxim Podbereznyy lisar...@gmail.com:

 Yaoshi, really nice job! If you could share some instructions on how to
 make imx6 boot faster - it would be great!

 2014-11-12 10:30 GMT+03:00 robert.berger robert.karl.ber...@gmail.com:

 Hi,

 On Wednesday, November 12, 2014 1:35:13 AM UTC+2, William Hermans wrote:

 Maxim, for distro's like Debian which is slow moving for stability
 reason.


 Who says that Debian is not using it? [1]

 Regards,

 Robert

 [1]
 http://www.theregister.co.uk/2014/10/21/unix_greybeards_threaten_debian_fork_over_systemd_plan/

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.




 --
 LinkedIn - http://www.linkedin.com/in/maximpodbereznyy
 Company - http://www.linkedin.com/company/mentorel
 Facebook - https://www.facebook.com/mentorel.company

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] Re: Recommendation to boot / resume Linux in less than a second...

2014-11-12 Thread liyaoshi
I use hard code

2014-11-12 17:38 GMT+08:00 Maxim Podbereznyy lisar...@gmail.com:

 Yaoshi,

 for the first point - is it possible to enable MMU/DMA just by checking
 some options in the ENV file or it requires hard code hacking?


 2014-11-12 12:19 GMT+03:00 Adrian Remonda adrianremo...@gmail.com:

 You should define what boot time is.

 You could say that is:
 • The time that that takes to your device from power on until you can
 run a user space program.
 • Power on until getting X11
 • Power on until ssh connection

 Did your 2 seconds means this the first option? Or only the kernel logs?

 On 12 November 2014 10:08, liyaoshi liyao...@gmail.com wrote:
  As I said
 
  1) Turn mmu and cache on,use dma in u-boot, remove any you dont needed
 code
  2) Remove code  you dont needed , or make as modules  in kernel
  3) Dont print in serial port
  4) And use wayland instead of X11
  5) make sure font cache prepared in write able folder
 
  Some not so good options
  1)overclock
  2)remove printk in kernel
  3)sstrip your binary code (this will cause QT plugin failed load)
 
  2014-11-12 16:49 GMT+08:00 Maxim Podbereznyy lisar...@gmail.com:
 
  Yaoshi, really nice job! If you could share some instructions on how to
  make imx6 boot faster - it would be great!
 
 
  2014-11-12 10:30 GMT+03:00 robert.berger robert.karl.ber...@gmail.com
 :
 
  Hi,
 
  On Wednesday, November 12, 2014 1:35:13 AM UTC+2, William Hermans
 wrote:
 
  Maxim, for distro's like Debian which is slow moving for stability
  reason.
 
 
  Who says that Debian is not using it? [1]
 
  Regards,
 
  Robert
 
  [1]
 
 http://www.theregister.co.uk/2014/10/21/unix_greybeards_threaten_debian_fork_over_systemd_plan/
 
  --
  For more options, visit http://beagleboard.org/discuss
  ---
  You received this message because you are subscribed to the Google
 Groups
  BeagleBoard group.
  To unsubscribe from this group and stop receiving emails from it,
 send an
  email to beagleboard+unsubscr...@googlegroups.com.
  For more options, visit https://groups.google.com/d/optout.
 
 
 
 
  --
  LinkedIn - http://www.linkedin.com/in/maximpodbereznyy
  Company - http://www.linkedin.com/company/mentorel
  Facebook - https://www.facebook.com/mentorel.company
 
  --
  For more options, visit http://beagleboard.org/discuss
  ---
  You received this message because you are subscribed to the Google
 Groups
  BeagleBoard group.
  To unsubscribe from this group and stop receiving emails from it, send
 an
  email to beagleboard+unsubscr...@googlegroups.com.
  For more options, visit https://groups.google.com/d/optout.
 
 
  --
  For more options, visit http://beagleboard.org/discuss
  ---
  You received this message because you are subscribed to the Google
 Groups
  BeagleBoard group.
  To unsubscribe from this group and stop receiving emails from it, send
 an
  email to beagleboard+unsubscr...@googlegroups.com.
  For more options, visit https://groups.google.com/d/optout.

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.




 --
 LinkedIn - http://www.linkedin.com/in/maximpodbereznyy
 Company - http://www.linkedin.com/company/mentorel
 Facebook - https://www.facebook.com/mentorel.company

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] Re: Recommendation to boot / resume Linux in less than a second...

2014-11-12 Thread liyaoshi
less than 2 seconds get in first shell ,and about 5 seconds get in first qt
demo for wayland client

2014-11-12 17:19 GMT+08:00 Adrian Remonda adrianremo...@gmail.com:

 You should define what boot time is.

 You could say that is:
 • The time that that takes to your device from power on until you can
 run a user space program.
 • Power on until getting X11
 • Power on until ssh connection

 Did your 2 seconds means this the first option? Or only the kernel logs?

 On 12 November 2014 10:08, liyaoshi liyao...@gmail.com wrote:
  As I said
 
  1) Turn mmu and cache on,use dma in u-boot, remove any you dont needed
 code
  2) Remove code  you dont needed , or make as modules  in kernel
  3) Dont print in serial port
  4) And use wayland instead of X11
  5) make sure font cache prepared in write able folder
 
  Some not so good options
  1)overclock
  2)remove printk in kernel
  3)sstrip your binary code (this will cause QT plugin failed load)
 
  2014-11-12 16:49 GMT+08:00 Maxim Podbereznyy lisar...@gmail.com:
 
  Yaoshi, really nice job! If you could share some instructions on how to
  make imx6 boot faster - it would be great!
 
 
  2014-11-12 10:30 GMT+03:00 robert.berger robert.karl.ber...@gmail.com
 :
 
  Hi,
 
  On Wednesday, November 12, 2014 1:35:13 AM UTC+2, William Hermans
 wrote:
 
  Maxim, for distro's like Debian which is slow moving for stability
  reason.
 
 
  Who says that Debian is not using it? [1]
 
  Regards,
 
  Robert
 
  [1]
 
 http://www.theregister.co.uk/2014/10/21/unix_greybeards_threaten_debian_fork_over_systemd_plan/
 
  --
  For more options, visit http://beagleboard.org/discuss
  ---
  You received this message because you are subscribed to the Google
 Groups
  BeagleBoard group.
  To unsubscribe from this group and stop receiving emails from it, send
 an
  email to beagleboard+unsubscr...@googlegroups.com.
  For more options, visit https://groups.google.com/d/optout.
 
 
 
 
  --
  LinkedIn - http://www.linkedin.com/in/maximpodbereznyy
  Company - http://www.linkedin.com/company/mentorel
  Facebook - https://www.facebook.com/mentorel.company
 
  --
  For more options, visit http://beagleboard.org/discuss
  ---
  You received this message because you are subscribed to the Google
 Groups
  BeagleBoard group.
  To unsubscribe from this group and stop receiving emails from it, send
 an
  email to beagleboard+unsubscr...@googlegroups.com.
  For more options, visit https://groups.google.com/d/optout.
 
 
  --
  For more options, visit http://beagleboard.org/discuss
  ---
  You received this message because you are subscribed to the Google Groups
  BeagleBoard group.
  To unsubscribe from this group and stop receiving emails from it, send an
  email to beagleboard+unsubscr...@googlegroups.com.
  For more options, visit https://groups.google.com/d/optout.

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] Re: Recommendation to boot / resume Linux in less than a second...

2014-11-11 Thread liyaoshi
If this is for automotive ,systemd is not so useful
last mode is required when in automotive enviroment
while as I know systemd can not turnning boot sequence for different
modules
If not about automotive ,skip this .
And,if only talking about 0.5s or 1s , its only about u-boot and kernel

what I test in imx 6 , whats' my test result is boot from nand slc onfi1@80M

Arm@800M with 16bit DDR@400m

unless you remove kernel printk, its possible boot less than 1s

remove any print out from serial ,boot loader turn mmu can cache on

load kernel with uncompressed and make small than 4M,without prink

actually I remove lots of in kernel .the best time is about less than 1s

2014-11-12 7:42 GMT+08:00 William Hermans yyrk...@gmail.com:

 Also, as far as I know. ARCH uses systemd by default. However, since I do
 not personally use ARCH, this is pure speculation on my own behalf. I've
 also read that fedora, and a few others use systemd as well.

 On Tue, Nov 11, 2014 at 4:35 PM, William Hermans yyrk...@gmail.com
 wrote:

 Maxim, for distro's like Debian which is slow moving for stability
 reason. I would imagine the Debian team wants the technology proven before
 they make the leap. From what I understand, the next iteration of Debian
 *will* include systemd, and it is an apt-get-able package for wheezy right
 now.

 Also according to what I've read, it will work right along side SYSV, or
 at least init scripts, with no harm to anything, except perhaps slower boot
 times ( versus just using systemd by its self ).

 If you really want to know about it, I would suggest you do a bit of
 googling. There is lots of information out there about it, it is just that
 I have not been able to find a decent simple example of how to setup
 services yet. This is either because I'm not searching for the correct
 thing, or the documentation on the whole process is jut limited right now.

 The key point, is if Debian is going to move to using it, it is probably
 worth researching yourself.

 On Tue, Nov 11, 2014 at 12:54 PM, Chris Morgan chmor...@gmail.com
 wrote:

 On Tue, Nov 11, 2014 at 2:51 PM, Maxim Podbereznyy lisar...@gmail.com
 wrote:
  I wonder if systemd is so magical why it is not used by any of PC's
 Linux
  distributions?
 

 It looks well represented, http://en.wikipedia.org/wiki/Systemd#Adoption

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google
 Groups BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send
 an email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.



  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] Re: Recommendation to boot / resume Linux in less than a second...

2014-11-11 Thread liyaoshi
This is depends on your SOC main clock and cache size and nand /eMMC read
speed
If on 512K L2 cache and over than 1G , lzo MAYBE will beat uncompressed
but in less than 500M  and with very fast nand 16bit EDO ddr mode /eMMC
50M@8bit with ADMA
what I get test result is raw (uncompressed) kernel image will be the
better choice on iMX6

You can see the test result from the link ,

None69656444.62674904.626749Ti dont have eDMA and ADMA enable as default in
previous u-boot driver
While this is patched in 2014.04 version on omap5 and dra7x driver
It wont take over than 1s while loading 6M size kernel image
What I test on imx6 , u-boot with ADMA driver enable on eMMC 4.4 @8bit 50M
Will over than 15MBytes /s
And with APBH DMA enable in 8bit nand driver @100M EDO mode enable
Will over than 15MBytes/s too

So , what I suggest , you should check your u-boot driver , and make sure
ADMA enable for eMMC/sd





2014-11-12 9:37 GMT+08:00 Robert Nelson robertcnel...@gmail.com:

 On Tue, Nov 11, 2014 at 7:09 PM, liyaoshi liyao...@gmail.com wrote:
  If this is for automotive ,systemd is not so useful
  last mode is required when in automotive enviroment
  while as I know systemd can not turnning boot sequence for different
 modules
  If not about automotive ,skip this .
  And,if only talking about 0.5s or 1s , its only about u-boot and kernel
 
  what I test in imx 6 , whats' my test result is boot from nand slc
 onfi1@80M
  Arm@800M with 16bit DDR@400m
 
  unless you remove kernel printk, its possible boot less than 1s
 
  remove any print out from serial ,boot loader turn mmu can cache on
 
  load kernel with uncompressed and make small than 4M,without prink

 but also double check with lzo... As it can beat uncompressed...

 http://free-electrons.com/blog/arm-xz-kernel-decompression-benchmarks/

 Regards,
 --
 Robert Nelson
 http://www.rcn-ee.com/

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] Re: Recommendation to boot / resume Linux in less than a second...

2014-11-11 Thread liyaoshi
https://www.dropbox.com/s/ltnedy59gv5i70j/VID_20140723_084207.mp4

This is what I have done in my iMX6 solo @800M 16bit ddr board

2014-11-12 11:22 GMT+08:00 liyaoshi liyao...@gmail.com:

 This is depends on your SOC main clock and cache size and nand /eMMC read
 speed
 If on 512K L2 cache and over than 1G , lzo MAYBE will beat uncompressed
 but in less than 500M  and with very fast nand 16bit EDO ddr mode /eMMC
 50M@8bit with ADMA
 what I get test result is raw (uncompressed) kernel image will be the
 better choice on iMX6

 You can see the test result from the link ,

 None69656444.62674904.626749Ti dont have eDMA and ADMA enable as default
 in previous u-boot driver
 While this is patched in 2014.04 version on omap5 and dra7x driver
 It wont take over than 1s while loading 6M size kernel image
 What I test on imx6 , u-boot with ADMA driver enable on eMMC 4.4 @8bit 50M
 Will over than 15MBytes /s
 And with APBH DMA enable in 8bit nand driver @100M EDO mode enable
 Will over than 15MBytes/s too

 So , what I suggest , you should check your u-boot driver , and make sure
 ADMA enable for eMMC/sd





 2014-11-12 9:37 GMT+08:00 Robert Nelson robertcnel...@gmail.com:

 On Tue, Nov 11, 2014 at 7:09 PM, liyaoshi liyao...@gmail.com wrote:
  If this is for automotive ,systemd is not so useful
  last mode is required when in automotive enviroment
  while as I know systemd can not turnning boot sequence for different
 modules
  If not about automotive ,skip this .
  And,if only talking about 0.5s or 1s , its only about u-boot and kernel
 
  what I test in imx 6 , whats' my test result is boot from nand slc
 onfi1@80M
  Arm@800M with 16bit DDR@400m
 
  unless you remove kernel printk, its possible boot less than 1s
 
  remove any print out from serial ,boot loader turn mmu can cache on
 
  load kernel with uncompressed and make small than 4M,without prink

 but also double check with lzo... As it can beat uncompressed...

 http://free-electrons.com/blog/arm-xz-kernel-decompression-benchmarks/

 Regards,
 --
 Robert Nelson
 http://www.rcn-ee.com/

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.




-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] BeagleBoard-X15 - seriously? :)

2014-11-10 Thread liyaoshi
Another Version of OMAP5 uEVM ?
can  I want a quad core version ?

2014-11-11 7:34 GMT+08:00 Graham Haddock gra...@flexradio.com:

 All:
 Excellent. I was not searching for the right terms.

 That will prove to be most helpful.

 Thanks,
 --- Graham

 On Mon, Nov 10, 2014 at 4:31 PM, Robert Nelson robertcnel...@gmail.com
 wrote:

 On Mon, Nov 10, 2014 at 4:29 PM, Thaddeus Woskowiak
 tswoskow...@gmail.com wrote:
  Graham,
  I had a quick look through the manual:
  http://www.ti.com/lit/ug/spruhz6/spruhz6.pdf
  On page 4007 it states: There are five temperature sensors on the
 device
  die.

 For each core...

 MPU/GPU/CORE/IVA/DSPEVE

 Regards,

 --
 Robert Nelson
 http://www.rcn-ee.com/

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to a topic in the
 Google Groups BeagleBoard group.
 To unsubscribe from this topic, visit
 https://groups.google.com/d/topic/beagleboard/1t3yxkPYSB8/unsubscribe.
 To unsubscribe from this group and all its topics, send an email to
 beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] BeagleBoard-X15 - seriously? :)

2014-11-10 Thread liyaoshi
Hello Gerald
What I get from
https://www.kernel.org/doc/Documentation/devicetree/bindings/arm/omap/omap.txt
Seems am5728 compatible with dra74x ,Ti also called Jcinto 6
Will you release the scheme ?
This is very interesting , when and where can I buy it ?

2014-11-11 10:40 GMT+08:00 Gerald Coley ger...@beagleboard.org:

 Different processor. Dual core only.

 Gerald


 On Monday, November 10, 2014, liyaoshi liyao...@gmail.com wrote:

 Another Version of OMAP5 uEVM ?
 can  I want a quad core version ?

 2014-11-11 7:34 GMT+08:00 Graham Haddock gra...@flexradio.com:

 All:
 Excellent. I was not searching for the right terms.

 That will prove to be most helpful.

 Thanks,
 --- Graham

 On Mon, Nov 10, 2014 at 4:31 PM, Robert Nelson robertcnel...@gmail.com
 wrote:

 On Mon, Nov 10, 2014 at 4:29 PM, Thaddeus Woskowiak
 tswoskow...@gmail.com wrote:
  Graham,
  I had a quick look through the manual:
  http://www.ti.com/lit/ug/spruhz6/spruhz6.pdf
  On page 4007 it states: There are five temperature sensors on the
 device
  die.

 For each core...

 MPU/GPU/CORE/IVA/DSPEVE

 Regards,

 --
 Robert Nelson
 http://www.rcn-ee.com/

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to a topic in the
 Google Groups BeagleBoard group.
 To unsubscribe from this topic, visit
 https://groups.google.com/d/topic/beagleboard/1t3yxkPYSB8/unsubscribe.
 To unsubscribe from this group and all its topics, send an email to
 beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google
 Groups BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send
 an email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.



 --
 Gerald

 ger...@beagleboard.org
 http://beagleboard.org/
 http://circuitco.com/support/

  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] BeagleBoard-X15 - seriously? :)

2014-11-10 Thread liyaoshi
Thanks
And can you consider of add another I2S connector in your next version ?
In CAR infotainment environment , we always want more audio suource .

2014-11-11 10:56 GMT+08:00 Gerald Coley ger...@beagleboard.org:

 Will go on sale the end of February. We are in beta. No schematics will be
 released until we have the final version,

 Gerald

 On Monday, November 10, 2014, liyaoshi liyao...@gmail.com wrote:

 Hello Gerald
 What I get from
 https://www.kernel.org/doc/Documentation/devicetree/bindings/arm/omap/omap.txt
 Seems am5728 compatible with dra74x ,Ti also called Jcinto 6
 Will you release the scheme ?
 This is very interesting , when and where can I buy it ?

 2014-11-11 10:40 GMT+08:00 Gerald Coley ger...@beagleboard.org:

 Different processor. Dual core only.

 Gerald


 On Monday, November 10, 2014, liyaoshi liyao...@gmail.com wrote:

 Another Version of OMAP5 uEVM ?
 can  I want a quad core version ?

 2014-11-11 7:34 GMT+08:00 Graham Haddock gra...@flexradio.com:

 All:
 Excellent. I was not searching for the right terms.

 That will prove to be most helpful.

 Thanks,
 --- Graham

 On Mon, Nov 10, 2014 at 4:31 PM, Robert Nelson 
 robertcnel...@gmail.com wrote:

 On Mon, Nov 10, 2014 at 4:29 PM, Thaddeus Woskowiak
 tswoskow...@gmail.com wrote:
  Graham,
  I had a quick look through the manual:
  http://www.ti.com/lit/ug/spruhz6/spruhz6.pdf
  On page 4007 it states: There are five temperature sensors on the
 device
  die.

 For each core...

 MPU/GPU/CORE/IVA/DSPEVE

 Regards,

 --
 Robert Nelson
 http://www.rcn-ee.com/

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to a topic in
 the Google Groups BeagleBoard group.
 To unsubscribe from this topic, visit
 https://groups.google.com/d/topic/beagleboard/1t3yxkPYSB8/unsubscribe
 .
 To unsubscribe from this group and all its topics, send an email to
 beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google
 Groups BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send
 an email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google
 Groups BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send
 an email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.



 --
 Gerald

 ger...@beagleboard.org
 http://beagleboard.org/
 http://circuitco.com/support/

  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google
 Groups BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send
 an email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.



 --
 Gerald

 ger...@beagleboard.org
 http://beagleboard.org/
 http://circuitco.com/support/

  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] BeagleBoard-X15 - seriously? :)

2014-11-10 Thread liyaoshi
Thanks
Another question , Is this the dual channel version of EMIF ?
And with LPDDR3 1333 @533Mhz right ?

2014-11-11 11:01 GMT+08:00 Gerald Coley ger...@beagleboard.org:

 There are two. That is the best we can do,

 Gerald

 On Monday, November 10, 2014, liyaoshi liyao...@gmail.com wrote:

 Thanks
 And can you consider of add another I2S connector in your next version ?
 In CAR infotainment environment , we always want more audio suource .

 2014-11-11 10:56 GMT+08:00 Gerald Coley ger...@beagleboard.org:

 Will go on sale the end of February. We are in beta. No schematics will
 be released until we have the final version,

 Gerald

 On Monday, November 10, 2014, liyaoshi liyao...@gmail.com wrote:

 Hello Gerald
 What I get from
 https://www.kernel.org/doc/Documentation/devicetree/bindings/arm/omap/omap.txt
 Seems am5728 compatible with dra74x ,Ti also called Jcinto 6
 Will you release the scheme ?
 This is very interesting , when and where can I buy it ?

 2014-11-11 10:40 GMT+08:00 Gerald Coley ger...@beagleboard.org:

 Different processor. Dual core only.

 Gerald


 On Monday, November 10, 2014, liyaoshi liyao...@gmail.com wrote:

 Another Version of OMAP5 uEVM ?
 can  I want a quad core version ?

 2014-11-11 7:34 GMT+08:00 Graham Haddock gra...@flexradio.com:

 All:
 Excellent. I was not searching for the right terms.

 That will prove to be most helpful.

 Thanks,
 --- Graham

 On Mon, Nov 10, 2014 at 4:31 PM, Robert Nelson 
 robertcnel...@gmail.com wrote:

 On Mon, Nov 10, 2014 at 4:29 PM, Thaddeus Woskowiak
 tswoskow...@gmail.com wrote:
  Graham,
  I had a quick look through the manual:
  http://www.ti.com/lit/ug/spruhz6/spruhz6.pdf
  On page 4007 it states: There are five temperature sensors on
 the device
  die.

 For each core...

 MPU/GPU/CORE/IVA/DSPEVE

 Regards,

 --
 Robert Nelson
 http://www.rcn-ee.com/

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to a topic in
 the Google Groups BeagleBoard group.
 To unsubscribe from this topic, visit
 https://groups.google.com/d/topic/beagleboard/1t3yxkPYSB8/unsubscribe
 .
 To unsubscribe from this group and all its topics, send an email to
 beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google
 Groups BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it,
 send an email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google
 Groups BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it,
 send an email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.



 --
 Gerald

 ger...@beagleboard.org
 http://beagleboard.org/
 http://circuitco.com/support/

  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google
 Groups BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send
 an email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google
 Groups BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send
 an email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.



 --
 Gerald

 ger...@beagleboard.org
 http://beagleboard.org/
 http://circuitco.com/support/

  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google
 Groups BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send
 an email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.



 --
 Gerald

 ger...@beagleboard.org
 http://beagleboard.org/
 http://circuitco.com/support/

  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com

Re: [beagleboard] BeagleBoard-X15 - seriously? :)

2014-11-10 Thread liyaoshi
Thanks
And waiting for your another great success [?]

2014-11-11 11:13 GMT+08:00 Gerald Coley ger...@beagleboard.org:

 Dual 32b busses using DDR3L @ 533

 Gerald

 On Monday, November 10, 2014, liyaoshi liyao...@gmail.com wrote:

 Thanks
 Another question , Is this the dual channel version of EMIF ?
 And with LPDDR3 1333 @533Mhz right ?

 2014-11-11 11:01 GMT+08:00 Gerald Coley ger...@beagleboard.org:

 There are two. That is the best we can do,

 Gerald

 On Monday, November 10, 2014, liyaoshi liyao...@gmail.com wrote:

 Thanks
 And can you consider of add another I2S connector in your next version ?
 In CAR infotainment environment , we always want more audio suource .

 2014-11-11 10:56 GMT+08:00 Gerald Coley ger...@beagleboard.org:

 Will go on sale the end of February. We are in beta. No schematics
 will be released until we have the final version,

 Gerald

 On Monday, November 10, 2014, liyaoshi liyao...@gmail.com wrote:

 Hello Gerald
 What I get from
 https://www.kernel.org/doc/Documentation/devicetree/bindings/arm/omap/omap.txt
 Seems am5728 compatible with dra74x ,Ti also called Jcinto 6
 Will you release the scheme ?
 This is very interesting , when and where can I buy it ?

 2014-11-11 10:40 GMT+08:00 Gerald Coley ger...@beagleboard.org:

 Different processor. Dual core only.

 Gerald


 On Monday, November 10, 2014, liyaoshi liyao...@gmail.com wrote:

 Another Version of OMAP5 uEVM ?
 can  I want a quad core version ?

 2014-11-11 7:34 GMT+08:00 Graham Haddock gra...@flexradio.com:

 All:
 Excellent. I was not searching for the right terms.

 That will prove to be most helpful.

 Thanks,
 --- Graham

 On Mon, Nov 10, 2014 at 4:31 PM, Robert Nelson 
 robertcnel...@gmail.com wrote:

 On Mon, Nov 10, 2014 at 4:29 PM, Thaddeus Woskowiak
 tswoskow...@gmail.com wrote:
  Graham,
  I had a quick look through the manual:
  http://www.ti.com/lit/ug/spruhz6/spruhz6.pdf
  On page 4007 it states: There are five temperature sensors on
 the device
  die.

 For each core...

 MPU/GPU/CORE/IVA/DSPEVE

 Regards,

 --
 Robert Nelson
 http://www.rcn-ee.com/

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to a topic
 in the Google Groups BeagleBoard group.
 To unsubscribe from this topic, visit
 https://groups.google.com/d/topic/beagleboard/1t3yxkPYSB8/unsubscribe
 .
 To unsubscribe from this group and all its topics, send an email
 to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google
 Groups BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it,
 send an email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google
 Groups BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it,
 send an email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.



 --
 Gerald

 ger...@beagleboard.org
 http://beagleboard.org/
 http://circuitco.com/support/

  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google
 Groups BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it,
 send an email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google
 Groups BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it,
 send an email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.



 --
 Gerald

 ger...@beagleboard.org
 http://beagleboard.org/
 http://circuitco.com/support/

  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google
 Groups BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send
 an email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google
 Groups BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send
 an email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.



 --
 Gerald

 ger...@beagleboard.org
 http://beagleboard.org/
 http://circuitco.com/support/

  --
 For more options, visit http://beagleboard.org

Re: [beagleboard] Re: BeagleBoard-X15 - seriously? :)

2014-11-10 Thread liyaoshi
GC320 can do 8 surface hardware blit .

2014-11-09 5:21 GMT+08:00 Robert Nelson robertcnel...@gmail.com:


 On Nov 8, 2014 3:05 PM, William Hermans yyrk...@gmail.com wrote:
 
  So, *why* does TI keep using hardware that has closed source drivers ?
 Does TI realize this is killing their stuff in the eyes of many ppl out
 there ?

 Well it does have a Vivante GC320 2D GPU so maybe they are starting the
 transition

 
  On Sat, Nov 8, 2014 at 1:05 PM, rh_ richard_hubb...@lavabit.com wrote:
 
  On Fri, 7 Nov 2014 12:32:19 -0600
  Gerald Coley ger...@beagleboard.org wrote:
 
   Definitely not one of those. Look at what it has on it and make a good
   guess.
 
  Ok definitely must mean $200-400. Is this not good guessing?
  This starts to be a in different realm and the competition is more
  fierce. But you know more about that than I ever will and it's
  likely that I just don't understand the landscape. Dual Gb ethernet
  will attract a lot of attention for server/firewall/IDS/IPS.
 
  --
  For more options, visit http://beagleboard.org/discuss
  ---
  You received this message because you are subscribed to the Google
 Groups BeagleBoard group.
  To unsubscribe from this group and stop receiving emails from it, send
 an email to beagleboard+unsubscr...@googlegroups.com.
  For more options, visit https://groups.google.com/d/optout.
 
 
  --
  For more options, visit http://beagleboard.org/discuss
  ---
  You received this message because you are subscribed to the Google
 Groups BeagleBoard group.
  To unsubscribe from this group and stop receiving emails from it, send
 an email to beagleboard+unsubscr...@googlegroups.com.
  For more options, visit https://groups.google.com/d/optout.

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] Multi camera project BeagleBlack

2014-09-30 Thread liyaoshi
Because I work for automotive company . if this confuse you  , ignore the
surroud view and adas .


About the ISP , what I understand .

from
http://pub.ucpros.com/download/ov7620_ov7120_v1.2whole.pdf?osCsid=g3j4cfseca1627jv9mc4lans75

You will get bt656 signal at last , right ? how do you connect to your BBB
board ?

with USB ? You must have another mcu to convert BT656 digital signal to
memory data

right ? so , if you can connect directly to OMAP3 ,you can save the USB MCU

Here is  about the cvbs signal http://en.wikipedia.org/wiki/Composite_video

You can see , its a analog signal with base band . But , with gpio , it can
only generate 1 or 0 ,totally different raspi FM


2014-09-30 13:11 GMT+08:00 Peter Fearing pcfear...@gmail.com:

 I'm not sure what you mean by surround view/adas.  They're both forward
 facing and will be fixed in position to try to eliminate any possible
 alignment issues.

 I can't see that the ISP is necessary for all image processing.  If so
 that would make the Black completely incompatible with any sort of camera
 project, and I've found plenty of examples of people using cameras with it
 -- just no analog cameras yet, which to be fair won't be necessary for the
 final version of what we're doing.
 Certainly there are available capes for expanding the USB capabilities,
 and it's possible the necessary cameras can be recognized as USB cameras.
 I've even seen a couple camera capes that are comparable to what we're
 doing.

 Can you be more specific about the limitations on generating a CVBS signal?

 On Friday, September 26, 2014 2:22:40 AM UTC-5, liyaoshi wrote:

 And
 omap3 have 3 hardware overlay

 2014-09-26 15:11 GMT+08:00 liyaoshi liya...@gmail.com:

 If I understand correctly
 It should like surround view or adas ?
 and as I know , AM335X don't have isp . while omap3 have it .
 while cvbs signal in . camera module will turn to bt656 or what ever
 digital signal , as usually BT656

 And when you can  catch BT656 digital signal . you can program it to
 overlay or something .

 And about the CVBS out signal . You can NOT generate it by GPIO .

 For Your application .As I think , You should use OMAP3 BB-XM board with
 omap3 soc

 It will have a isp and cvbs out,only problem is it will only have 1 isp

 if you want to get another work with usb .





 2014-09-26 4:32 GMT+08:00 pcfe...@gmail.com:

 Hi all

 I and a couple guys are trying to build a system from the BeagleBone
 Black that uses an IR and color camera for quadcopter video.
 We have one of each of these cameras
 http://dlnmh9ip6v2uc.cloudfront.net/datasheets/
 Sensors/LightImaging/32KM_spec.docx.pdf
 http://pub.ucpros.com/download/ov7620_ov7120_v1.2whole.pdf?osCsid=
 g3j4cfseca1627jv9mc4lans75
 http://www.drs.com/products/rsta/PDF/Tamarisk.pdf
 The end goal is to be able to output a video stream of either (1) the
 color camera (2) the IR camera (3) a composite video - b/w or color,
 overlay or other.  It has to be composite video for the quadcopter. (it's a
 system already setup and we're just doing add-on)
 Known problems:
 The BeagleBone Black only has one USB port.  I can probably figure out
 how to make the IR camera recognizable by the system through the USB port,
 but the other two are a bit more complicated -- one is purerly analog NTSC
 and the other has a variety of digital options and a monochrome NTSC
 backup/test output.  Maybe there's a way to configure the GPIOs to handle
 this?
 I'm planning on using OpenCV for the overlay/processing, though I'm not
 very familiar with it.

 Sound crazy?  It is, but that's what we're doing...

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google
 Groups BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send
 an email to beagleboard...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.



  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] Multi camera project BeagleBlack

2014-09-30 Thread liyaoshi
About the CVBS signal ,in omap3 and mx53 , it will be called TV encoder
 module


2014-09-30 14:16 GMT+08:00 liyaoshi liyao...@gmail.com:

 Because I work for automotive company . if this confuse you  , ignore the
 surroud view and adas .


 About the ISP , what I understand .

 from
 http://pub.ucpros.com/download/ov7620_ov7120_v1.2whole.pdf?osCsid=g3j4cfseca1627jv9mc4lans75

 You will get bt656 signal at last , right ? how do you connect to your BBB
 board ?

 with USB ? You must have another mcu to convert BT656 digital signal to
 memory data

 right ? so , if you can connect directly to OMAP3 ,you can save the USB
 MCU

 Here is  about the cvbs signal
 http://en.wikipedia.org/wiki/Composite_video

 You can see , its a analog signal with base band . But , with gpio , it
 can only generate 1 or 0 ,totally different raspi FM


 2014-09-30 13:11 GMT+08:00 Peter Fearing pcfear...@gmail.com:

 I'm not sure what you mean by surround view/adas.  They're both forward
 facing and will be fixed in position to try to eliminate any possible
 alignment issues.

 I can't see that the ISP is necessary for all image processing.  If so
 that would make the Black completely incompatible with any sort of camera
 project, and I've found plenty of examples of people using cameras with it
 -- just no analog cameras yet, which to be fair won't be necessary for the
 final version of what we're doing.
 Certainly there are available capes for expanding the USB capabilities,
 and it's possible the necessary cameras can be recognized as USB cameras.
 I've even seen a couple camera capes that are comparable to what we're
 doing.

 Can you be more specific about the limitations on generating a CVBS
 signal?

 On Friday, September 26, 2014 2:22:40 AM UTC-5, liyaoshi wrote:

 And
 omap3 have 3 hardware overlay

 2014-09-26 15:11 GMT+08:00 liyaoshi liya...@gmail.com:

 If I understand correctly
 It should like surround view or adas ?
 and as I know , AM335X don't have isp . while omap3 have it .
 while cvbs signal in . camera module will turn to bt656 or what ever
 digital signal , as usually BT656

 And when you can  catch BT656 digital signal . you can program it to
 overlay or something .

 And about the CVBS out signal . You can NOT generate it by GPIO .

 For Your application .As I think , You should use OMAP3 BB-XM board
 with omap3 soc

 It will have a isp and cvbs out,only problem is it will only have 1 isp

 if you want to get another work with usb .





 2014-09-26 4:32 GMT+08:00 pcfe...@gmail.com:

 Hi all

 I and a couple guys are trying to build a system from the BeagleBone
 Black that uses an IR and color camera for quadcopter video.
 We have one of each of these cameras
 http://dlnmh9ip6v2uc.cloudfront.net/datasheets/
 Sensors/LightImaging/32KM_spec.docx.pdf
 http://pub.ucpros.com/download/ov7620_ov7120_v1.2whole.pdf?osCsid=
 g3j4cfseca1627jv9mc4lans75
 http://www.drs.com/products/rsta/PDF/Tamarisk.pdf
 The end goal is to be able to output a video stream of either (1) the
 color camera (2) the IR camera (3) a composite video - b/w or color,
 overlay or other.  It has to be composite video for the quadcopter. (it's 
 a
 system already setup and we're just doing add-on)
 Known problems:
 The BeagleBone Black only has one USB port.  I can probably figure out
 how to make the IR camera recognizable by the system through the USB port,
 but the other two are a bit more complicated -- one is purerly analog NTSC
 and the other has a variety of digital options and a monochrome NTSC
 backup/test output.  Maybe there's a way to configure the GPIOs to handle
 this?
 I'm planning on using OpenCV for the overlay/processing, though I'm
 not very familiar with it.

 Sound crazy?  It is, but that's what we're doing...

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google
 Groups BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send
 an email to beagleboard...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.



  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.




-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] Module is loaded, but no wlan0 interface

2014-09-27 Thread liyaoshi
I am not sure about if 3.8.x kernel support marvel 8797 .

In my previous experience , when ifconfig -a show nothing about your
adapter , try another newer version driver

http://wireless.kernel.org/en/users/Download/stable/

maybe you can try compat-wireless

hope its be useful

2014-09-27 10:35 GMT+08:00 Brent brent...@hotmail.com:

 Anyone have any ideas what else I could try?  I'll try to contact the
 manufacturer, but have a feeling that won't go very far...


 On Monday, September 22, 2014 10:13:13 PM UTC-4, Brent wrote:

 Here is what I get when I run 'ip addr':
 [root@alarm ~]# ip addr
 1: lo: LOOPBACK,UP,LOWER_UP mtu 65536 qdisc noqueue state UNKNOWN group
 default
 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
 inet 127.0.0.1/8 scope host lo
 inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
 2: eth0: NO-CARRIER,BROADCAST,MULTICAST,UP mtu 1500 qdisc pfifo_fast
 state DOWN group default qlen 1000
 link/ether c8:a0:30:ac:e3:19 brd ff:ff:ff:ff:ff:ff

 I'm not sure if the driver needs ndiswrapper or not... how do I tell?  I
 did find the following website, but looks like it's for Ubuntu.
 http://askubuntu.com/questions/257600/marvells-
 wireless-driver-not-recognized

 On Mon, Sep 22, 2014 at 9:31 PM, Don deJuan donjuans...@gmail.com
 wrote:

  On 09/22/2014 06:15 PM, Brent wrote:

 Also, other USB to WiFi adapters work just fine.  For example, I have
 one that uses the rtl8192cu driver, and this one creates a wlan0 interface
 automatically.  Any ideas what would be causing this?

 On Monday, September 22, 2014 7:49:37 PM UTC-4, Brent wrote:

 I have not done anything with udev yet... I read through the Wireless
 netwrok configuration wiki, but didn't see anywhere on how to create the
 interface.  https://wiki.archlinux.org/index.php/Wireless_network_confi
 guration#Interface_activation

  I'm starting to read the wiki on udev, but is that too general, or do
 you know of something else I should be looking at?
 https://wiki.archlinux.org/index.php/udev

  ip addr only lists eth0 and lo.

  [root@alarm ~]# ip addr
 1: lo: LOOPBACK,UP,LOWER_UP mtu 65536 qdisc noqueue state UNKNOWN
 group default
 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
 inet 127.0.0.1/8 scope host lo
 inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
 2: eth0: NO-CARRIER,BROADCAST,MULTICAST,UP mtu 1500 qdisc pfifo_fast
 state DOWN group default qlen 1000
 link/ether c8:a0:30:ac:e3:19 brd ff:ff:ff:ff:ff:ff

  Thanks,

 On Mon, Sep 22, 2014 at 6:54 PM, Don deJuan  wrote:

  On 09/22/2014 02:25 PM, Brent wrote:

  I'm having trouble getting the wlan0 interface to show up for a
 Marvell 8797 USB to WiFi chip, and it seems like everything should be
 working.  I'm running Arch Linux Arm, 3.8.13 kernel, and have verified 
 that
 the modules are loaded correctly, and that it recognizes the device, but
 still no wlan0 interface.  I also verified that the firmware is indeed in
 the /lib/firmware/mrvl/ directory.  Am I missing something obvious?

  Here is my output from dmesg, lsmod, and modinfo.

  [   15.321430] usb usb1: usb wakeup-resume
 [   15.321482] usb usb1: usb auto-resume
 [   15.321503] hub 1-0:1.0: hub_resume
 [   15.321551] hub 1-0:1.0: port 1: status 0101 change 0001
 [   15.424482] hub 1-0:1.0: state 7 ports 1 chg 0002 evt 
 [   15.424547] hub 1-0:1.0: port 1, status 0101, change , 12 Mb/s
 [   15.529900] usb 1-1: new high-speed USB device number 2 using
 musb-hdrc
 [   15.650300] usb 1-1: default language 0x0409
 [   15.651367] usb 1-1: udev 2, busnum 1, minor = 1
 [   15.651387] usb 1-1: New USB device found, idVendor=1286,
 idProduct=2043
 [   15.651399] usb 1-1: New USB device strings: Mfr=1, Product=2,
 SerialNumber=3
 [   15.651410] usb 1-1: Product: Marvell Wireless Device
 [   15.651420] usb 1-1: Manufacturer: Marvell
 [   15.651430] usb 1-1: SerialNumber: 
 [   15.651958] usb 1-1: usb_probe_device
 [   15.651978] usb 1-1: configuration #1 chosen from 1 choice
 [   15.655328] usb 1-1: adding 1-1:1.0 (config #1, interface 0)
 [   15.656222] hub 1-0:1.0: state 7 ports 1 chg  evt 0002
 [   15.656269] hub 1-0:1.0: port 1 enable change, status 0503
 [   15.787448] cfg80211: Calling CRDA to update world regulatory domain
 [   15.811632] usb8797 1-1:1.0: usb_probe_interface
 [   15.811661] usb8797 1-1:1.0: usb_probe_interface - got id
 [   15.820715] usbcore: registered new interface driver usb8797

  [root@alarm ~]# ifconfig -a
 eth0: flags=4163UP,BROADCAST,RUNNING,MULTICAST  mtu 1500
 inet 10.54.183.74  netmask 255.255.255.0  broadcast
 10.54.183.255
 inet6 fe80::caa0:30ff:feac:e319  prefixlen 64  scopeid
 0x20link
 ether c8:a0:30:ac:e3:19  txqueuelen 1000  (Ethernet)
 RX packets 11697  bytes 1387285 (1.3 MiB)
 RX errors 0  dropped 12  overruns 0  frame 0
 TX packets 1117  bytes 148026 (144.5 KiB)
 TX errors 0  dropped 0 overruns 0  carrier 0 

Re: [beagleboard] Multi camera project BeagleBlack

2014-09-26 Thread liyaoshi
If I understand correctly
It should like surround view or adas ?
and as I know , AM335X don't have isp . while omap3 have it .
while cvbs signal in . camera module will turn to bt656 or what ever
digital signal , as usually BT656

And when you can  catch BT656 digital signal . you can program it to
overlay or something .

And about the CVBS out signal . You can NOT generate it by GPIO .

For Your application .As I think , You should use OMAP3 BB-XM board with
omap3 soc

It will have a isp and cvbs out,only problem is it will only have 1 isp

if you want to get another work with usb .





2014-09-26 4:32 GMT+08:00 pcfear...@gmail.com:

 Hi all

 I and a couple guys are trying to build a system from the BeagleBone Black
 that uses an IR and color camera for quadcopter video.
 We have one of each of these cameras

 http://dlnmh9ip6v2uc.cloudfront.net/datasheets/Sensors/LightImaging/32KM_spec.docx.pdf

 http://pub.ucpros.com/download/ov7620_ov7120_v1.2whole.pdf?osCsid=g3j4cfseca1627jv9mc4lans75
 http://www.drs.com/products/rsta/PDF/Tamarisk.pdf
 The end goal is to be able to output a video stream of either (1) the
 color camera (2) the IR camera (3) a composite video - b/w or color,
 overlay or other.  It has to be composite video for the quadcopter. (it's a
 system already setup and we're just doing add-on)
 Known problems:
 The BeagleBone Black only has one USB port.  I can probably figure out how
 to make the IR camera recognizable by the system through the USB port, but
 the other two are a bit more complicated -- one is purerly analog NTSC and
 the other has a variety of digital options and a monochrome NTSC
 backup/test output.  Maybe there's a way to configure the GPIOs to handle
 this?
 I'm planning on using OpenCV for the overlay/processing, though I'm not
 very familiar with it.

 Sound crazy?  It is, but that's what we're doing...

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] Multi camera project BeagleBlack

2014-09-26 Thread liyaoshi
And
omap3 have 3 hardware overlay

2014-09-26 15:11 GMT+08:00 liyaoshi liyao...@gmail.com:

 If I understand correctly
 It should like surround view or adas ?
 and as I know , AM335X don't have isp . while omap3 have it .
 while cvbs signal in . camera module will turn to bt656 or what ever
 digital signal , as usually BT656

 And when you can  catch BT656 digital signal . you can program it to
 overlay or something .

 And about the CVBS out signal . You can NOT generate it by GPIO .

 For Your application .As I think , You should use OMAP3 BB-XM board with
 omap3 soc

 It will have a isp and cvbs out,only problem is it will only have 1 isp

 if you want to get another work with usb .





 2014-09-26 4:32 GMT+08:00 pcfear...@gmail.com:

 Hi all

 I and a couple guys are trying to build a system from the BeagleBone
 Black that uses an IR and color camera for quadcopter video.
 We have one of each of these cameras

 http://dlnmh9ip6v2uc.cloudfront.net/datasheets/Sensors/LightImaging/32KM_spec.docx.pdf

 http://pub.ucpros.com/download/ov7620_ov7120_v1.2whole.pdf?osCsid=g3j4cfseca1627jv9mc4lans75
 http://www.drs.com/products/rsta/PDF/Tamarisk.pdf
 The end goal is to be able to output a video stream of either (1) the
 color camera (2) the IR camera (3) a composite video - b/w or color,
 overlay or other.  It has to be composite video for the quadcopter. (it's a
 system already setup and we're just doing add-on)
 Known problems:
 The BeagleBone Black only has one USB port.  I can probably figure out
 how to make the IR camera recognizable by the system through the USB port,
 but the other two are a bit more complicated -- one is purerly analog NTSC
 and the other has a variety of digital options and a monochrome NTSC
 backup/test output.  Maybe there's a way to configure the GPIOs to handle
 this?
 I'm planning on using OpenCV for the overlay/processing, though I'm not
 very familiar with it.

 Sound crazy?  It is, but that's what we're doing...

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.




-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] Custom Audio cape with TLV320AIC3107 codec.

2014-09-15 Thread liyaoshi
Have you config the i2c pin pulled up ?
and
whats the speed of your i2c bus ?

2014-09-15 2:09 GMT+08:00 prakash.parma...@gmail.com:

 Hi,

 I have made custom Audio cape using TLV320AIC3107. Here is a circuit
 diagram :


 http://e2e.ti.com/cfs-file.ashx/__key/telligent-evolution-components-attachments/00-64-01-00-01-29-55-62/audio.png


 I make it same  ( Pin configurations and all ) as what is available at
 CircuitCO using TLC320AIC3104 codec. I follow All steps like Disable HDMI
 and Load Device Tree BB-BONE-AUDI-02-00A0.dts  and I it works fine.

 But my problem is when I run speaker-test system hangs (freezes) and I
 have to Hard Reset BeagleBone.

 Here is what i did and what I get in dmesg.


 *root@beaglebone:~# speaker-test *

 speaker-test 1.0.25

 Playback device is default
 Stream parameters are 48000Hz, S16_LE, 1 channels
 Using 16 octaves of pink noise
 Rate set to 48000Hz (requested 48000Hz)
 Buffer size range from 128 to 32768
 Period size range from 8 to 2048
 Using max buffer size 32768
 Periods = 4


 *And in Dmesg : *

 [  205.540653] omap_i2c 4819c000.i2c: Arbitration lost
 [  206.572921] omap_i2c 4819c000.i2c: controller timed out
 [  206.580024] omap_i2c 4819c000.i2c: Arbitration lost
 [  207.611983] omap_i2c 4819c000.i2c: controller timed out
 [  207.618668] omap_i2c 4819c000.i2c: Arbitration lost
 [  212.626062] omap_i2c 4819c000.i2c: Arbitration lost
 [  213.658853] omap_i2c 4819c000.i2c: controller timed out
 [  213.666881] omap_i2c 4819c000.i2c: Arbitration lost
 [  214.699867] omap_i2c 4819c000.i2c: controller timed out
 [  214.707912] omap_i2c 4819c000.i2c: Arbitration lost
 [  215.740887] omap_i2c 4819c000.i2c: controller timed out
 [  215.748952] omap_i2c 4819c000.i2c: Arbitration lost


 I also cross check device tree file and I found that it also works
 for TLV320AIC3107 codec So I think it is not issue.

 An one have Idea what is wrong Please Help ME 


 Thanks  Regards

 Prakash P.

  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] Custom Audio cape with TLV320AIC3107 codec.

2014-09-15 Thread liyaoshi
Can you show the waveform of your i2c clock and data ?

2014-09-15 22:30 GMT+08:00 liyaoshi liyao...@gmail.com:

 Have you config the i2c pin pulled up ?
 and
 whats the speed of your i2c bus ?

 2014-09-15 2:09 GMT+08:00 prakash.parma...@gmail.com:

 Hi,

 I have made custom Audio cape using TLV320AIC3107. Here is a circuit
 diagram :


 http://e2e.ti.com/cfs-file.ashx/__key/telligent-evolution-components-attachments/00-64-01-00-01-29-55-62/audio.png


 I make it same  ( Pin configurations and all ) as what is available at
 CircuitCO using TLC320AIC3104 codec. I follow All steps like Disable HDMI
 and Load Device Tree BB-BONE-AUDI-02-00A0.dts  and I it works fine.

 But my problem is when I run speaker-test system hangs (freezes) and I
 have to Hard Reset BeagleBone.

 Here is what i did and what I get in dmesg.


 *root@beaglebone:~# speaker-test *

 speaker-test 1.0.25

 Playback device is default
 Stream parameters are 48000Hz, S16_LE, 1 channels
 Using 16 octaves of pink noise
 Rate set to 48000Hz (requested 48000Hz)
 Buffer size range from 128 to 32768
 Period size range from 8 to 2048
 Using max buffer size 32768
 Periods = 4


 *And in Dmesg : *

 [  205.540653] omap_i2c 4819c000.i2c: Arbitration lost
 [  206.572921] omap_i2c 4819c000.i2c: controller timed out
 [  206.580024] omap_i2c 4819c000.i2c: Arbitration lost
 [  207.611983] omap_i2c 4819c000.i2c: controller timed out
 [  207.618668] omap_i2c 4819c000.i2c: Arbitration lost
 [  212.626062] omap_i2c 4819c000.i2c: Arbitration lost
 [  213.658853] omap_i2c 4819c000.i2c: controller timed out
 [  213.666881] omap_i2c 4819c000.i2c: Arbitration lost
 [  214.699867] omap_i2c 4819c000.i2c: controller timed out
 [  214.707912] omap_i2c 4819c000.i2c: Arbitration lost
 [  215.740887] omap_i2c 4819c000.i2c: controller timed out
 [  215.748952] omap_i2c 4819c000.i2c: Arbitration lost


 I also cross check device tree file and I found that it also works
 for TLV320AIC3107 codec So I think it is not issue.

 An one have Idea what is wrong Please Help ME 


 Thanks  Regards

 Prakash P.

  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.




-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] Why am I doing this so complicated??? Damn!

2014-08-24 Thread liyaoshi
If your adapater called ra0
You should replace wlan0 with ra0 in your config file


2014-08-25 5:27 GMT+08:00 Jacob Aviña jacobav...@gmail.com:

 I have been trying to learn about configuring my access point but I just
 can't

 look my /etc/network/interfaces

 # This file describes the network interfaces available on your system
 # and how to activate them. For more information, see interfaces(5).
 # The loopback network interface
 auto lo
 iface lo inet loopback
 # The primary network interface
 #auto eth0
 #iface eth0 inet dhcp
 # Example to keep MAC address between reboots
 #hwaddress ether DE:AD:BE:EF:CA:FE
 # The secondary network interface
 #auto eth1
 #iface eth1 inet dhcp
 # WiFi Example
 #auto wlan0
 #iface wlan0 inet dhcp
 #wpa-ssid essid
 #wpa-psk  password
 auto wlan0
 iface wlan0 inet dhcp
 wpa-ssid AXTEL-2162
 wpa-psk 0804D82162
 # Ethernet/RNDIS gadget (g_ether)
 # ... or on host side, usbnet and random hwaddr
 # Note on some boards, usb0 is automaticly setup with an init script
 iface usb0 inet static
 address 192.168.7.2
 netmask 255.255.255.0
 network 192.168.7.0
 gateway 192.168.7.1

 and with this, I got this

 ra0   Link encap:Ethernet  HWaddr 7c:dd:90:57:f8:d3
   inet6 addr: fe80::7edd:90ff:fe57:f8d3/64 Scope:Link
   UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
   RX packets:230 errors:0 dropped:0 overruns:0 frame:0
   TX packets:98 errors:0 dropped:0 overruns:0 carrier:0
   collisions:0 txqueuelen:1000
   RX bytes:23448 (22.8 KiB)  TX bytes:10192 (9.9 KiB)


 Why does my beaglebone black does not recognize the ipv4 address?
 I can't access internet with my wifi adapter
 Help me please! I beg!!

  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] Re: Ad-hoc network together with access point

2014-08-15 Thread liyaoshi
 2 WiFi antenna with in 1 adapter ???

How do you config it ?

And . if you mean use 2 adapters , maybe you can show ifconfig -a result

As my previous experience .

brctl addif br0 wlan0 wlan1

if bridge mode dont work , try router mode

eg

iptables -t nat -A POSTROUTING -s 192.168.0.1/24 -o wlan0

find more result from google to fit your case .


2014-08-15 9:36 GMT+08:00 viva...@gmail.com:

 Hi all ,

 I am sorry.I know this is not going to help , but i had a query.How did
 you establish an ad-hoc connection between the beaglebone and your laptop.I
 use a macbook and the beagle distribution is debian.I tried using
 wicd-curses but that did not help.Any help on this is greatly appreciated.

 Regards,
 Vivak Katla


 On Thursday, 7 August 2014 12:21:27 UTC-4, paullo...@gmail.com wrote:

 Hi,all

 I am using five BeagleBone Black with 2 WiFi antenna connected to each
 BeagleBone Black.

 On each BeagleBone Black, one of the WiFi antenna is configured for an
 ad-hoc network, the other WiFi antenna is configured as an access point to
 allow mobile devices to join the ad-hoc network via the access point.

 The result is that the mobile devices can get associated to the access
 point and access a web server in the ad-hoc network.

 However, the mobile device of Access Point 1 (AP1) is not able to
 communicate with the mobile devices of Access Point 2 (AP2).

 I have add in the route of the subnet of mobile devices of AP2 in AP1 and
 vice versa.

 Did anyone has experience in configuring ad-hoc network together with
 access point on a single BeagleBone Black?

 Is it possible?

 Thank you.

 Rdgs,
 Paul

  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] Full HD video out will cause $45 to ???

2014-08-06 Thread liyaoshi
Do you have plan to build another board based on AM443X chip ?


2014-08-07 9:50 GMT+08:00 Gerald Coley ger...@beagleboard.org:

 RPI processor was designed as a settop box chip many years ago.
 It has dedicated HW that does not even use the processor to decode video.
 The AM3358 has no dedicated HW for video decode.

 Unless the processor is designed to do something, it generally speaking,
 cannot do it.


 Gerald



 On Wed, Aug 6, 2014 at 8:41 PM, Oliver Yoon jnjservices...@gmail.com
 wrote:

 Very interestingly Raspberry Pi does. Why BBB can't. Not sure buyers out
 there. I'd like to pay a bit more to get full hd support board. But not pi.


 On Wednesday, 30 July 2014 23:25:40 UTC+10, Gerald wrote:

 Well, considering the fact that it will take a whole new processor and
 a totally new design, I would say yes it will be more than the current $55
 price. Right now it can do 1920x1080 @ 24FPS.

 Gerald



 On Tue, Jul 29, 2014 at 10:50 PM, jnjserv...@gmail.com wrote:

 Will there be cost hike if BBB has got a new chip to accomodate full HD
 vedeo out?


  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google
 Groups BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send
 an email to beagleboard...@googlegroups.com.

 For more options, visit https://groups.google.com/d/optout.


  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] SPi, I2C, GPIO and Qt5 on BBB

2014-08-03 Thread liyaoshi
http://www.github.com/liyaoshi/buildroot


2014-08-02 0:29 GMT+08:00 John Syn john3...@gmail.com:


 From: liyaoshi liyao...@gmail.com
 Reply-To: beagleboard@googlegroups.com beagleboard@googlegroups.com
 Date: Thursday, July 31, 2014 at 6:34 PM

 To: beagleboard@googlegroups.com beagleboard@googlegroups.com
 Subject: Re: [beagleboard] SPi, I2C, GPIO and Qt5 on BBB

 I have made a demo on iMX6

 https://www.dropbox.com/s/ltnedy59gv5i70j/VID_20140723_084207.mp4

 How did you get it to start so quickly? Do you have build instructions for
 what you did?

 Regards,
 John



 2014-08-01 6:45 GMT+08:00 Cédric Malitte cedric.mali...@gmail.com:

 Looks like promising.

 Yes Qt5 and wayland would be great for devs like me.
 Qt without quick is like going steps back

 Cédric Malitte

 Le 2014-07-31 à 17:46, John Syn john3...@gmail.com a écrit :


 From: William Hermans yyrk...@gmail.com
 Reply-To: beagleboard@googlegroups.com beagleboard@googlegroups.com
 Date: Thursday, July 31, 2014 at 2:36 PM
 To: beagleboard@googlegroups.com beagleboard@googlegroups.com
 Subject: Re: [beagleboard] SPi, I2C, GPIO and Qt5 on BBB

 So all that remains is SGX / OGL support too . . . Is this likely ?

 Robert’s build script does do this for you now. Perhaps he will find a
 way to simplify the process when he has time. TI still have to add xorg
 support. Not sure when that is going to happen.

 I think that adding QT5 + Wayland to the BBB repository would be helpful.
 Several people are working on this so hopefully something will happen soon.

 Regards,
 John




 On Thu, Jul 31, 2014 at 1:39 PM, John Syn john3...@gmail.com wrote:


 From: William Hermans yyrk...@gmail.com
 Reply-To: beagleboard@googlegroups.com beagleboard@googlegroups.com
 Date: Tuesday, July 29, 2014 at 12:00 AM
 To: beagleboard@googlegroups.com beagleboard@googlegroups.com
 Subject: Re: [beagleboard] SPi, I2C, GPIO and Qt5 on BBB

 Ah right, I was thinking in the context of 3.8.x version. 3.13.x is EOL
 I believe ( meaning end of life )  That appears to be OpenGLES2, but frame
 buffer support only.

 From what I understand, TI made the choice of supporting 3.13.x branch
 with the SGX hardware. capremgr was in 3.8.x, and based on Roberts guide,
 3.15.x has better ethernet, and usb support.

 As for why the branches are done this way ? I'm not a kernel developer
 so I'm not 100% sure. However I could imagine that it is a lot of work
 setting all this up plus scripts / instructions for building etc. I've seen
 Robert say several times patches welcome, so I'm assuming he may not wish
 to duplicate his own work across branches. But this is just speculation on
 my own behalf.

 I'd be willing myself to work on getting capemgr as is working on 3.8.x
 into 3.15.x myself. But since I'm fairly inexperienced in this area I'd
 need time, and a mentor ( as in to guide me, not to pay me ).

 Looks like the capemgr functionality will be in V3.17:

 https://lkml.org/lkml/2014/7/27/57

 Regards,
 John




 On Mon, Jul 28, 2014 at 11:18 PM, Cedric Malitte 
 cedric.mali...@gmail.com wrote:

 I just followed
 http://eewiki.net/display/linuxonarm/BeagleBone+Black#BeagleBoneBlack-SGX 
 for
 the opengl part, built against v3.13.11-bone12

 Must say I feel lost with all those features appearing and disappearing
 with the kernel releases.

 Le mardi 29 juillet 2014 00:38:32 UTC-4, William Hermans a écrit :

 If you get OpenGLES working on the BBB I'd be interested in how you
 did it. I like to read about geeky things like this ;)  However last I
 remember this was not possible with the way software support is. Hopefully
 that will change if not already.


 On Mon, Jul 28, 2014 at 8:35 PM, Cedric Malitte cedric@gmail.com
 wrote:

 Thanks William,

 I tried to compile kernel 3.13, GFX libraries , all fine.
 Copied all the stuff on a SD card and booted... well, everything here
 but screen !

 I need to find how to enable LCD4 cape with new kernel.

 That said, I tried to compile qt4.8.6 with opengl es2 and I have an
 error:
 make[4]: entrant dans le répertoire « /home/cedric/qt4-bbb/
 downloads/qt-everywhere-opensource-src-4.8.6/src/
 plugins/gfxdrivers/powervr/QWSWSEGL »
 /home/cedric/bb-kernel/dl/gcc-linaro-arm-linux-gnueabihf-4.
 8-2014.04_linux/bin/arm-linux-gnueabihf-gcc -c -pipe -O3
 -march=armv7-a -mtune=cortex-a8 -mfpu=neon -mfloat-abi=hard -Wall -W 
 -fPIC
 -DQT_NO_QWS_CURSOR -DQT_QWS_CLIENTBLIT 
 -I../../../../../mkspecs/qws/linux-TIarmv7-sgx-g++
 -I. -I/home/cedric/qt4-bbb/downloads/tslib/src
 -I/home/cedric/bb-kernel/ignore/SDK_BIN/Graphics_SDK_
 setuplinux_5_01_01_01/GFX_Linux_SDK/OGLES2/SDKPackage/Builds/OGLES2/Include
 -I/home/cedric/bb-kernel/ignore/SDK_BIN/Graphics_SDK_
 setuplinux_5_01_01_01/GFX_Linux_SDK/OGLES2/SDKPackage/
 Builds/OGLES2/LinuxOMAP3/Include/ -I/home/cedric/bb-kernel/
 ignore/SDK_BIN/Graphics_SDK_setuplinux_5_01_01_01/include
 -I/home/cedric/bb-kernel/ignore/SDK_BIN/Graphics_SDK_
 setuplinux_5_01_01_01/GFX_Linux_SDK/OGLES/SDKPackage/Builds/OGLES/Include

Re: [beagleboard] [Q] Any project like PiFM, GPIO only FM transmission on BeagleBone Black?

2014-07-31 Thread liyaoshi
Its impossible .
bcm2835 have flex pwm and dma transfer for fm turning .
while am335x pwm is only for fixed clock div .


2014-08-01 6:34 GMT+08:00 Sungjin Chun chu...@gmail.com:

 I'd like to create similar thing like PiFM in BeagleBone Black. Can anyone
 provide me reference on this?

 Thanks in advance.

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] SPi, I2C, GPIO and Qt5 on BBB

2014-07-31 Thread liyaoshi
I have made a demo on iMX6

https://www.dropbox.com/s/ltnedy59gv5i70j/VID_20140723_084207.mp4


2014-08-01 6:45 GMT+08:00 Cédric Malitte cedric.mali...@gmail.com:

 Looks like promising.

 Yes Qt5 and wayland would be great for devs like me.
 Qt without quick is like going steps back

 Cédric Malitte

 Le 2014-07-31 à 17:46, John Syn john3...@gmail.com a écrit :


 From: William Hermans yyrk...@gmail.com
 Reply-To: beagleboard@googlegroups.com beagleboard@googlegroups.com
 Date: Thursday, July 31, 2014 at 2:36 PM
 To: beagleboard@googlegroups.com beagleboard@googlegroups.com
 Subject: Re: [beagleboard] SPi, I2C, GPIO and Qt5 on BBB

 So all that remains is SGX / OGL support too . . . Is this likely ?

 Robert’s build script does do this for you now. Perhaps he will find a way
 to simplify the process when he has time. TI still have to add xorg
 support. Not sure when that is going to happen.

 I think that adding QT5 + Wayland to the BBB repository would be helpful.
 Several people are working on this so hopefully something will happen soon.

 Regards,
 John




 On Thu, Jul 31, 2014 at 1:39 PM, John Syn john3...@gmail.com wrote:


 From: William Hermans yyrk...@gmail.com
 Reply-To: beagleboard@googlegroups.com beagleboard@googlegroups.com
 Date: Tuesday, July 29, 2014 at 12:00 AM
 To: beagleboard@googlegroups.com beagleboard@googlegroups.com
 Subject: Re: [beagleboard] SPi, I2C, GPIO and Qt5 on BBB

 Ah right, I was thinking in the context of 3.8.x version. 3.13.x is EOL I
 believe ( meaning end of life )  That appears to be OpenGLES2, but frame
 buffer support only.

 From what I understand, TI made the choice of supporting 3.13.x branch
 with the SGX hardware. capremgr was in 3.8.x, and based on Roberts guide,
 3.15.x has better ethernet, and usb support.

 As for why the branches are done this way ? I'm not a kernel developer so
 I'm not 100% sure. However I could imagine that it is a lot of work setting
 all this up plus scripts / instructions for building etc. I've seen Robert
 say several times patches welcome, so I'm assuming he may not wish to
 duplicate his own work across branches. But this is just speculation on my
 own behalf.

 I'd be willing myself to work on getting capemgr as is working on 3.8.x
 into 3.15.x myself. But since I'm fairly inexperienced in this area I'd
 need time, and a mentor ( as in to guide me, not to pay me ).

 Looks like the capemgr functionality will be in V3.17:

 https://lkml.org/lkml/2014/7/27/57

 Regards,
 John




 On Mon, Jul 28, 2014 at 11:18 PM, Cedric Malitte 
 cedric.mali...@gmail.com wrote:

 I just followed
 http://eewiki.net/display/linuxonarm/BeagleBone+Black#BeagleBoneBlack-SGX 
 for
 the opengl part, built against v3.13.11-bone12

 Must say I feel lost with all those features appearing and disappearing
 with the kernel releases.

 Le mardi 29 juillet 2014 00:38:32 UTC-4, William Hermans a écrit :

 If you get OpenGLES working on the BBB I'd be interested in how you did
 it. I like to read about geeky things like this ;)  However last I remember
 this was not possible with the way software support is. Hopefully that will
 change if not already.


 On Mon, Jul 28, 2014 at 8:35 PM, Cedric Malitte cedric@gmail.com
 wrote:

 Thanks William,

 I tried to compile kernel 3.13, GFX libraries , all fine.
 Copied all the stuff on a SD card and booted... well, everything here
 but screen !

 I need to find how to enable LCD4 cape with new kernel.

 That said, I tried to compile qt4.8.6 with opengl es2 and I have an
 error:
 make[4]: entrant dans le répertoire « /home/cedric/qt4-bbb/
 downloads/qt-everywhere-opensource-src-4.8.6/src/
 plugins/gfxdrivers/powervr/QWSWSEGL »
 /home/cedric/bb-kernel/dl/gcc-linaro-arm-linux-gnueabihf-4.
 8-2014.04_linux/bin/arm-linux-gnueabihf-gcc -c -pipe -O3
 -march=armv7-a -mtune=cortex-a8 -mfpu=neon -mfloat-abi=hard -Wall -W -fPIC
 -DQT_NO_QWS_CURSOR -DQT_QWS_CLIENTBLIT 
 -I../../../../../mkspecs/qws/linux-TIarmv7-sgx-g++
 -I. -I/home/cedric/qt4-bbb/downloads/tslib/src
 -I/home/cedric/bb-kernel/ignore/SDK_BIN/Graphics_SDK_
 setuplinux_5_01_01_01/GFX_Linux_SDK/OGLES2/SDKPackage/Builds/OGLES2/Include
 -I/home/cedric/bb-kernel/ignore/SDK_BIN/Graphics_SDK_
 setuplinux_5_01_01_01/GFX_Linux_SDK/OGLES2/SDKPackage/
 Builds/OGLES2/LinuxOMAP3/Include/ -I/home/cedric/bb-kernel/
 ignore/SDK_BIN/Graphics_SDK_setuplinux_5_01_01_01/include
 -I/home/cedric/bb-kernel/ignore/SDK_BIN/Graphics_SDK_
 setuplinux_5_01_01_01/GFX_Linux_SDK/OGLES/SDKPackage/Builds/OGLES/Include
 -o .obj/release-shared-emb-arm/pvrqwsdrawable.o pvrqwsdrawable.c
 In file included from pvrqwsdrawable.c:42:0:
 pvrqwsdrawable_p.h:56:19: fatal error: pvr2d.h: Aucun fichier ou
 dossier de ce type
  #include pvr2d.h

 Means no such file, although I have applied patches from
 https://github.com/prabindh/qt-configs/tree/master/qt4.8

 Still trying.



 2014-07-27 23:56 GMT-04:00 William Hermans yyr...@gmail.com:

 Cedric, Hi,

 For starters: 

Re: [beagleboard] androidvncserver disables software keyboard

2014-07-31 Thread liyaoshi
busybox killall -9 android-vncserver ?

But root your phone first


2014-07-31 21:13 GMT+08:00 Efecan Yilmaz yilmaz.efeca...@gmail.com:

 Hi,

 I'm using adb shell to start vnc server:

 androidvncserver

 But after then my software keyboard gets disabled. So is there a way to
 prevent this. Or can I stop android vnc server??

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] wifi ap with debian and Adafruit usb dongle

2014-07-31 Thread liyaoshi
you can try
1) turn off hdmi
2) switch another dongle
3) switch channel


2014-07-31 21:15 GMT+08:00 Nicola Cesca nicola.ce...@gmail.com:

 I'm trying to configure a BBB as AP with an Adafruit miniature usb dongle.
 After some efforts I succeed, but I get a strange behaviour pinging the
 BBB. Values range are from 5ms to 2500ms even if I'm close to the board.

  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] Using SPI in a kernel module

2014-07-30 Thread liyaoshi
I mean you should follow the ifx6x60c driver struct . use tty driver as
general out and input .

Dont' use sys_open .




2014-07-30 17:14 GMT+08:00 nwk...@gmail.com:

 When I insmod ifx6x60.ko, its probe method isn't called either. Is there
 anything else I have to do?

 Am Mittwoch, 30. Juli 2014 04:06:19 UTC+2 schrieb liyaoshi:

 Actually , I have write a driver based on iMX6 and V850 , implement via
 tty driver .

 And suggest you follow kernel driver ifx6x60.c

 Regards


 2014-07-30 3:13 GMT+08:00 John Syn john...@gmail.com:


 From: nwk...@gmail.com
 Reply-To: beagl...@googlegroups.com beagl...@googlegroups.com

 Date: Tuesday, July 29, 2014 at 7:33 AM
 To: beagl...@googlegroups.com beagl...@googlegroups.com

 Subject: Re: [beagleboard] Using SPI in a kernel module

 Thanks, John.

 I Iooked at kernel/drivers/iio/dac/ad/5064.c

 There's the following struct which is passed to *spi_register_driver()*:
 static struct spi_driver ad5064_spi_driver = {
 .driver = {
.name = ad5064,
.owner = THIS_MODULE,
 },
 .probe = ad5064_spi_probe,
 .remove = ad5064_spi_remove,
 .id_table = ad5064_spi_ids,
 };

 I compiled the module and loaded it but the probe function never gets
 called. Why?

 From this I can see that this driver isn’t DeviceTree enabled so I’m not
 sure which SPI interface it is using. Either you can add the devicetree
 support to this driver so that you can specify which SPI interface to use,
 or e-mail the Linux-IIO mailing list and see how to use this driver.

 Regards,
 John




 Am Montag, 28. Juli 2014 18:09:34 UTC+2 schrieb john3909:


 From: Nils nwk...@gmail.com
 Reply-To: beagl...@googlegroups.com beagl...@googlegroups.com
 Date: Monday, July 28, 2014 at 7:00 AM
 To: beagl...@googlegroups.com beagl...@googlegroups.com
 Subject: [beagleboard] Using SPI in a kernel module

 Hello,

 I'm currently working on a kernel module which needs to communicate via
 SPI to an external microchip.

 I used the cape manager to enable SPI. The device is accessible through
 /dev/spidev1.0.
 But since it's a kernel module, I guess it's not recommended to access
 files via sys_open()?

 Another approach I found would be adding a struct to 
 *arch/arm/mach-omap2/board-am335xevm.c
 *and then use *spi_register_driver()* in my kernel module. But in my
 kernel sources (3.8.13) this file doesn't exist.

 There is no board files since the introduction of device tree.



 What would be the right way to use SPI in my kernel module?

 Look at examples in /drivers/staging/iio or /drivers/iio

 There are plenty of examples of using SPI calls in a kernel module.

 Use the power of GIT to find what you are looking for. In the Kernel
 source do the following:

 git grep spi_sync_transfer

 Regards,
 John



 Regards,
 Nils

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google
 Groups BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send
 an email to beagleboard...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google
 Groups BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send
 an email to beagleboard...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.

  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google
 Groups BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send
 an email to beagleboard...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] Using SPI in a kernel module

2014-07-29 Thread liyaoshi
Actually , I have write a driver based on iMX6 and V850 , implement via tty
driver .

And suggest you follow kernel driver ifx6x60.c

Regards


2014-07-30 3:13 GMT+08:00 John Syn john3...@gmail.com:


 From: nwk...@gmail.com
 Reply-To: beagleboard@googlegroups.com beagleboard@googlegroups.com
 Date: Tuesday, July 29, 2014 at 7:33 AM
 To: beagleboard@googlegroups.com beagleboard@googlegroups.com
 Subject: Re: [beagleboard] Using SPI in a kernel module

 Thanks, John.

 I Iooked at kernel/drivers/iio/dac/ad/5064.c

 There's the following struct which is passed to *spi_register_driver()*:
 static struct spi_driver ad5064_spi_driver = {
 .driver = {
.name = ad5064,
.owner = THIS_MODULE,
 },
 .probe = ad5064_spi_probe,
 .remove = ad5064_spi_remove,
 .id_table = ad5064_spi_ids,
 };

 I compiled the module and loaded it but the probe function never gets
 called. Why?

 From this I can see that this driver isn’t DeviceTree enabled so I’m not
 sure which SPI interface it is using. Either you can add the devicetree
 support to this driver so that you can specify which SPI interface to use,
 or e-mail the Linux-IIO mailing list and see how to use this driver.

 Regards,
 John




 Am Montag, 28. Juli 2014 18:09:34 UTC+2 schrieb john3909:


 From: Nils nwk...@gmail.com
 Reply-To: beagl...@googlegroups.com beagl...@googlegroups.com
 Date: Monday, July 28, 2014 at 7:00 AM
 To: beagl...@googlegroups.com beagl...@googlegroups.com
 Subject: [beagleboard] Using SPI in a kernel module

 Hello,

 I'm currently working on a kernel module which needs to communicate via
 SPI to an external microchip.

 I used the cape manager to enable SPI. The device is accessible through
 /dev/spidev1.0.
 But since it's a kernel module, I guess it's not recommended to access
 files via sys_open()?

 Another approach I found would be adding a struct to 
 *arch/arm/mach-omap2/board-am335xevm.c
 *and then use *spi_register_driver()* in my kernel module. But in my
 kernel sources (3.8.13) this file doesn't exist.

 There is no board files since the introduction of device tree.



 What would be the right way to use SPI in my kernel module?

 Look at examples in /drivers/staging/iio or /drivers/iio

 There are plenty of examples of using SPI calls in a kernel module.

 Use the power of GIT to find what you are looking for. In the Kernel
 source do the following:

 git grep spi_sync_transfer

 Regards,
 John



 Regards,
 Nils

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.

  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] Help about device tree

2014-07-23 Thread liyaoshi
Actually , if you take a look about the dts file . you will find , its very
simple .

http://lxr.free-electrons.com/source/arch/arm/boot/dts/am335x-bone-common.dtsi
http://lxr.free-electrons.com/source/arch/arm/boot/dts/am335x-evm.dts

This is the only what I can say, follow the sample , and modify to fit your
own

how hard could it be


2014-07-22 21:59 GMT+08:00 domenico.casar...@gmail.com:

 Hello!
 I have built a simple cape for mi BBB (Rev A5C) that export some GPIO, an
 UART and I2C.
 This cape have the eeprom, according to SRM.
 How I can write  DTS file without become crazy?
 There is an IDE or so on?

 Any help will be appreciated!

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] Maximum SD card size for BBB

2014-07-23 Thread liyaoshi
Its not about software , Its about how hardware implement a stack / spec.

You can read this first , to understand how a sdxc stack runs failed on a
sdhc host

https://www.sdcard.org/downloads/pls/simplified_specs/part1_410.pdf


2014-07-23 12:25 GMT+08:00 Eric Fort eric.f...@gmail.com:

 so that sounds like a software issue not a hardware issue.  When I refer
 to hardware I really mean the electrical signaling on the interface to the
 host.  only thing I can think of there is some subsystem in an soc ends up
 being too smart for it's own good in trying to handle those commands such
 that the host never actually sees the commands being sent/received on the
 interface.  cmd length sounds like a linux kernel driver issue.

 Eric


 On Tue, Jul 22, 2014 at 9:14 PM, liyaoshi liyao...@gmail.com wrote:

 Its about sdhc cmd format ,some sdhc cmd/resp will get different length
 from sdxc


 2014-07-23 11:03 GMT+08:00 Eric Fort eric.f...@gmail.com:

 so one is completely unable to reformat an SDXC card with another
 filesystem type such as ext3?  Is it simply a filesystem issue or are there
 hardware differences to be overcome?

 Eric


 On Mon, Jul 21, 2014 at 8:40 AM, Robert Nelson robertcnel...@gmail.com
 wrote:

 On Mon, Jul 21, 2014 at 10:34 AM, Eric Fort eric.f...@gmail.com
 wrote:
  so can someone link to something definitive stating that for the
 beagle bone
  (black) 32GB SDHC is the biggest card supported (assuming this is
 correct)?

 From:
 http://en.wikipedia.org/wiki/Secure_Digital#SDXC

 The Secure Digital eXtended Capacity (SDXC) format, announced in
 January 2009 and defined in Version 3.01 of the SD specification,
 supports cards up to 2 TB (2048 GB), compared to a limit of 32 GB for
 SDHC cards in the SD 2.0 specification. SDXC adopts Microsoft's exFAT
 file system as a mandatory feature.

 aka:
 microSDHC 32GB is your limit..

 Regards,

 --
 Robert Nelson
 http://www.rcn-ee.com/

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google
 Groups BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send
 an email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google
 Groups BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send
 an email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] Want to serial boot my BBB

2014-07-23 Thread liyaoshi
C is print by boot rom , you can send u-boot-spl.bin now


2014-07-23 20:26 GMT+08:00 Dallas Clement dallas.a.clem...@gmail.com:

 Hi Steve, It looks like the u-boot-spl.bin is working.  This is what I'm
 seeing on my minicom console:

 Welcome to minicom 2.6.1



 OPTIONS: I18n

 Compiled on Feb 11 2012, 18:12:55.

 Port /dev/ttyUSB0



 Press CTRL-A Z for help on special keys



 ot SPL 2013.07-00012-g31df114 (Jul 11 2014 - 20:33:02)

 C

 Is the next step to send a MLO?


 On Tue, Jul 22, 2014 at 5:33 PM, Dallas Clement 
 dallas.a.clem...@gmail.com wrote:

 Thanks Steve.  That was my understanding as well.  I'll give that a shot.


 On Tue, Jul 22, 2014 at 4:20 PM, Steve txkip...@gmail.com wrote:

 For UART or USB you do not use the MLO file. When you build u-boot you
 should have a spl/u-boot-spl.bin file. This is what you send over x-modem.
 The MLO file is only used for Memory Booting (SD/Card, eMMC) while the
 u-boot-spl.bin file is used for Peripheral Booting (UART, USB).

 Steve K.


 On Tuesday, July 22, 2014 7:55:51 AM UTC-5, Dallas Clement wrote:

 I was able to send the MLO file via minicom / x-modem just fine to the
 board. However after the transfer completed, nothing happened.  Should I
 expect to see any output on the serial console afterward?


 On Mon, Jul 21, 2014 at 10:14 AM, Dallas Clement dallas.a...@gmail.com
  wrote:

 Okay, thanks very much!  I'll give that a try.


 On Mon, Jul 21, 2014 at 3:23 AM, liyaoshi liya...@gmail.com wrote:

 Sorry , I have made a mistake .

 On omap3 board ,you should use pserial to download from serial
 And on am335x / dm8148 board. x-modem is enough.and MLO is for boot
 from serial

 So , please try to use teraterm , and upload from
 file-transfer-xmodem-send.
 Then power on the beaglebone board .


 2014-07-21 16:17 GMT+08:00 liyaoshi liya...@gmail.com:

 If I remember correctly , You should load x-loader.bin  NOT MLO
 While the different between MLO and x-loader.bin is MLO has 8 bytes
 head , the first 4 bytes is dest and the second 4 bytes is length .
 This is for boot from NAND /eMMC , and when download from serial .
 the boot rom will download to fixed address and limit length .



 2014-07-21 12:04 GMT+08:00 John Syn john...@gmail.com:


  From: Dallas Clement dallas.a...@gmail.com
 Reply-To: beagl...@googlegroups.com beagl...@googlegroups.com

 Date: Sunday, July 20, 2014 at 9:19 AM
 To: beagl...@googlegroups.com beagl...@googlegroups.com

 Subject: Re: [beagleboard] Want to serial boot my BBB

  One other data point.  If I don't press and hold the boot switch
 when power is applied and instead wait a few seconds after applying 
 power
 and then press the boot switch, the pserial command is able to detect 
 the
 ASIC ID and download the x-loan.bin.

 You should be loading MLO, not x-load.bin. I also haven’t tried
 this myself, but loading via serial shouldn’t be any different from 
 loading
 from tftp. The load addresses should be identical.

 Regards,
 John


 $ sudo ./pserial -p /dev/ttyUSB0 -f x-load.bin
 Waiting For Device ASIC ID: Press Ctrl+C to stop
 ASIC ID Detected: 0x85 0x74 0x61 0x90
 Sending 2ndFile:
 Downloading file: 100.000% completed (10516/10516 bytes)
 File download completed.

 However, the BBB boots from the eMMC instead of the x-loan.bin I
 downloaded.  So this is progress.  It means that my pserial command 
 does
 work with a BBB and the BBB ROM code does respond with its ASIC ID and 
 does
 in fact download the x-load.bin.  It looks like I just need to figure 
 out
 what the correct boot switch power on sequence is now.

 On Sunday, July 20, 2014 10:36:45 AM UTC-5, Dallas Clement wrote:

 Hi William.  Thanks for the help.  I'm stuck much earlier on than
 u-boot.  I am expecting the ROM to return the ASIC ID when I run the
 pserial command to try and load the first stage boot loader 
 (x-load.bin).
  I'm not even able to get past that.  It looks like either I have the 
 wrong
 pserial command or maybe the BBB ROM does not provide an ASIC ID.  I 
 don't
 know enough about the Sitara processor to say.  If I can get the 
 x-loader
 to work, I think I am home free because it should be able to load a
 u-boot.bin.

 On Sunday, July 20, 2014 10:18:50 AM UTC-5, William Hermans wrote:

 Ok after reading the second link fully, I noticed a few things.

 First, the boot file is different. We have zImage typically, so I
 would assume the bootz command would be necessary. *OR* you could 
 convert a
 zImage to uImage.

 Secondly, the base load address is different, so this would need
 to be taken into account. Although I think changing this would be 
 fairly
 simple.

 Lastly, we also need to load the device tree board file, and I am
 a bit confused about this for loading serially.




 On Sun, Jul 20, 2014 at 7:59 AM, William Hermans 
 yyr...@gmail.com wrote:

 uboot is supposed to handle serial booting. However, I have no
 personal hands on. Just a quick google search showed many results 
 however.
 One thing to note

Re: [beagleboard] Maximum SD card size for BBB

2014-07-22 Thread liyaoshi
Its about sdhc cmd format ,some sdhc cmd/resp will get different length
from sdxc


2014-07-23 11:03 GMT+08:00 Eric Fort eric.f...@gmail.com:

 so one is completely unable to reformat an SDXC card with another
 filesystem type such as ext3?  Is it simply a filesystem issue or are there
 hardware differences to be overcome?

 Eric


 On Mon, Jul 21, 2014 at 8:40 AM, Robert Nelson robertcnel...@gmail.com
 wrote:

 On Mon, Jul 21, 2014 at 10:34 AM, Eric Fort eric.f...@gmail.com wrote:
  so can someone link to something definitive stating that for the beagle
 bone
  (black) 32GB SDHC is the biggest card supported (assuming this is
 correct)?

 From:
 http://en.wikipedia.org/wiki/Secure_Digital#SDXC

 The Secure Digital eXtended Capacity (SDXC) format, announced in
 January 2009 and defined in Version 3.01 of the SD specification,
 supports cards up to 2 TB (2048 GB), compared to a limit of 32 GB for
 SDHC cards in the SD 2.0 specification. SDXC adopts Microsoft's exFAT
 file system as a mandatory feature.

 aka:
 microSDHC 32GB is your limit..

 Regards,

 --
 Robert Nelson
 http://www.rcn-ee.com/

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] Want to serial boot my BBB

2014-07-21 Thread liyaoshi
If I remember correctly , You should load x-loader.bin  NOT MLO
While the different between MLO and x-loader.bin is MLO has 8 bytes head ,
the first 4 bytes is dest and the second 4 bytes is length .
This is for boot from NAND /eMMC , and when download from serial . the boot
rom will download to fixed address and limit length .



2014-07-21 12:04 GMT+08:00 John Syn john3...@gmail.com:


 From: Dallas Clement dallas.a.clem...@gmail.com
 Reply-To: beagleboard@googlegroups.com beagleboard@googlegroups.com
 Date: Sunday, July 20, 2014 at 9:19 AM
 To: beagleboard@googlegroups.com beagleboard@googlegroups.com
 Subject: Re: [beagleboard] Want to serial boot my BBB

 One other data point.  If I don't press and hold the boot switch when
 power is applied and instead wait a few seconds after applying power and
 then press the boot switch, the pserial command is able to detect the ASIC
 ID and download the x-loan.bin.

 You should be loading MLO, not x-load.bin. I also haven’t tried this
 myself, but loading via serial shouldn’t be any different from loading from
 tftp. The load addresses should be identical.

 Regards,
 John


 $ sudo ./pserial -p /dev/ttyUSB0 -f x-load.bin
 Waiting For Device ASIC ID: Press Ctrl+C to stop
 ASIC ID Detected: 0x85 0x74 0x61 0x90
 Sending 2ndFile:
 Downloading file: 100.000% completed (10516/10516 bytes)
 File download completed.

 However, the BBB boots from the eMMC instead of the x-loan.bin I
 downloaded.  So this is progress.  It means that my pserial command does
 work with a BBB and the BBB ROM code does respond with its ASIC ID and does
 in fact download the x-load.bin.  It looks like I just need to figure out
 what the correct boot switch power on sequence is now.

 On Sunday, July 20, 2014 10:36:45 AM UTC-5, Dallas Clement wrote:

 Hi William.  Thanks for the help.  I'm stuck much earlier on than u-boot.
  I am expecting the ROM to return the ASIC ID when I run the pserial
 command to try and load the first stage boot loader (x-load.bin).  I'm not
 even able to get past that.  It looks like either I have the wrong pserial
 command or maybe the BBB ROM does not provide an ASIC ID.  I don't know
 enough about the Sitara processor to say.  If I can get the x-loader to
 work, I think I am home free because it should be able to load a u-boot.bin.

 On Sunday, July 20, 2014 10:18:50 AM UTC-5, William Hermans wrote:

 Ok after reading the second link fully, I noticed a few things.

 First, the boot file is different. We have zImage typically, so I would
 assume the bootz command would be necessary. *OR* you could convert a
 zImage to uImage.

 Secondly, the base load address is different, so this would need to be
 taken into account. Although I think changing this would be fairly simple.

 Lastly, we also need to load the device tree board file, and I am a bit
 confused about this for loading serially.




 On Sun, Jul 20, 2014 at 7:59 AM, William Hermans yyr...@gmail.com
 wrote:

 uboot is supposed to handle serial booting. However, I have no personal
 hands on. Just a quick google search showed many results however. One thing
 to note is that uboot for the BBB is patched, so possibly different. It
 does not however make sense for this feature to be patched out, so I would
 assume that it should work.

 Sorry for the less than definitive answer, perhaps someone with hands
 on will respond. You can however experiment on your own.

 http://blackfin.uclinux.org/doku.php?id=bootloaders:u-
 boot:serial_port_loading_files
 http://blog.mezeske.com/?p=483

 $ apt-cache search ckermit
 ckermit - serial and network communications package

 Second link package mentioned is available, so looks to be possible.


 On Sun, Jul 20, 2014 at 7:44 AM, Dallas Clement dallas.a...@gmail.com
 wrote:

 Hi,

 I am trying to boot my BBB over a serial connection, and need a little
 help.  I have followed the instructions for UART recovery listed here
 http://elinux.org/BeagleBoardRecovery

 I built the pserial tool and an x-loan.bin, but when I try to load it,
 I just getting hanging.

 $ sudo ./pserial -p /dev/ttyUSB0 -f x-load.bin
 Waiting For Device ASIC ID: Press Ctrl+C to stop

 I am using a 6 pin TTL to USB cable to my PC.

 Perhaps the x-load.bin I am using is for the wrong processor
 (BeagleBoard)?  If so, maybe I can convert the MLO produced by the BBB
 u-boot build to a x-load.bin.  Just need a few pointers on how to do that.

 Thanks,

 Dallas


 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google
 Groups BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send
 an email to beagleboard...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.



 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails 

Re: [beagleboard] Want to serial boot my BBB

2014-07-21 Thread liyaoshi
Sorry , I have made a mistake .

On omap3 board ,you should use pserial to download from serial
And on am335x / dm8148 board. x-modem is enough.and MLO is for boot from
serial

So , please try to use teraterm , and upload from
file-transfer-xmodem-send.
Then power on the beaglebone board .


2014-07-21 16:17 GMT+08:00 liyaoshi liyao...@gmail.com:

 If I remember correctly , You should load x-loader.bin  NOT MLO
 While the different between MLO and x-loader.bin is MLO has 8 bytes head ,
 the first 4 bytes is dest and the second 4 bytes is length .
 This is for boot from NAND /eMMC , and when download from serial . the
 boot rom will download to fixed address and limit length .



 2014-07-21 12:04 GMT+08:00 John Syn john3...@gmail.com:


  From: Dallas Clement dallas.a.clem...@gmail.com
 Reply-To: beagleboard@googlegroups.com beagleboard@googlegroups.com
 Date: Sunday, July 20, 2014 at 9:19 AM
 To: beagleboard@googlegroups.com beagleboard@googlegroups.com
 Subject: Re: [beagleboard] Want to serial boot my BBB

 One other data point.  If I don't press and hold the boot switch when
 power is applied and instead wait a few seconds after applying power and
 then press the boot switch, the pserial command is able to detect the ASIC
 ID and download the x-loan.bin.

 You should be loading MLO, not x-load.bin. I also haven’t tried this
 myself, but loading via serial shouldn’t be any different from loading from
 tftp. The load addresses should be identical.

 Regards,
 John


 $ sudo ./pserial -p /dev/ttyUSB0 -f x-load.bin
 Waiting For Device ASIC ID: Press Ctrl+C to stop
 ASIC ID Detected: 0x85 0x74 0x61 0x90
 Sending 2ndFile:
 Downloading file: 100.000% completed (10516/10516 bytes)
 File download completed.

 However, the BBB boots from the eMMC instead of the x-loan.bin I
 downloaded.  So this is progress.  It means that my pserial command does
 work with a BBB and the BBB ROM code does respond with its ASIC ID and does
 in fact download the x-load.bin.  It looks like I just need to figure out
 what the correct boot switch power on sequence is now.

 On Sunday, July 20, 2014 10:36:45 AM UTC-5, Dallas Clement wrote:

 Hi William.  Thanks for the help.  I'm stuck much earlier on than
 u-boot.  I am expecting the ROM to return the ASIC ID when I run the
 pserial command to try and load the first stage boot loader (x-load.bin).
  I'm not even able to get past that.  It looks like either I have the wrong
 pserial command or maybe the BBB ROM does not provide an ASIC ID.  I don't
 know enough about the Sitara processor to say.  If I can get the x-loader
 to work, I think I am home free because it should be able to load a
 u-boot.bin.

 On Sunday, July 20, 2014 10:18:50 AM UTC-5, William Hermans wrote:

 Ok after reading the second link fully, I noticed a few things.

 First, the boot file is different. We have zImage typically, so I would
 assume the bootz command would be necessary. *OR* you could convert a
 zImage to uImage.

 Secondly, the base load address is different, so this would need to be
 taken into account. Although I think changing this would be fairly simple.

 Lastly, we also need to load the device tree board file, and I am a bit
 confused about this for loading serially.




 On Sun, Jul 20, 2014 at 7:59 AM, William Hermans yyr...@gmail.com
 wrote:

 uboot is supposed to handle serial booting. However, I have no
 personal hands on. Just a quick google search showed many results however.
 One thing to note is that uboot for the BBB is patched, so possibly
 different. It does not however make sense for this feature to be patched
 out, so I would assume that it should work.

 Sorry for the less than definitive answer, perhaps someone with hands
 on will respond. You can however experiment on your own.

 http://blackfin.uclinux.org/doku.php?id=bootloaders:u-
 boot:serial_port_loading_files
 http://blog.mezeske.com/?p=483

 $ apt-cache search ckermit
 ckermit - serial and network communications package

 Second link package mentioned is available, so looks to be possible.


 On Sun, Jul 20, 2014 at 7:44 AM, Dallas Clement dallas.a...@gmail.com
  wrote:

 Hi,

 I am trying to boot my BBB over a serial connection, and need a
 little help.  I have followed the instructions for UART recovery listed
 here http://elinux.org/BeagleBoardRecovery

 I built the pserial tool and an x-loan.bin, but when I try to load
 it, I just getting hanging.

 $ sudo ./pserial -p /dev/ttyUSB0 -f x-load.bin
 Waiting For Device ASIC ID: Press Ctrl+C to stop

 I am using a 6 pin TTL to USB cable to my PC.

 Perhaps the x-load.bin I am using is for the wrong processor
 (BeagleBoard)?  If so, maybe I can convert the MLO produced by the BBB
 u-boot build to a x-load.bin.  Just need a few pointers on how to do 
 that.

 Thanks,

 Dallas


 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google
 Groups BeagleBoard group.
 To unsubscribe from this group

Re: [beagleboard] setting priority of two ethernet connections

2014-07-21 Thread liyaoshi
0.0.0.0 192.168.0.1 0.0.0.0 UG0  00 eth0

This mean all package out from 192.168.0.1
Try route delete 0.0.0.0 once
Make sure only have
0.0.0.0 192.168.1.1 0.0.0.0 UG10 00 eth1

When only usb dongle connect .

Or try ifconfig eth0 0.0.0.0 when eth0 down


2014-07-20 18:43 GMT+08:00 nebius nevi...@gmail.com:

 Hi,
 here Nevio, from Italy. I'm new in the forum.
 I'm playing with a BeagleBone Black C with debian 7.5 2014-07-06 version.
 The BBB is connected to the local network with internet access, and I run
 it with ssh.
 I have connected also a usb internet-key (Huawei E3131) that work out of
 the box. This internet key is different from the others because it is seen
 as an ethernet device, not usb device.
 I am having trouble with configuring which internet connection the system
 has to use.
 In particular I would like the BBB use the internet connection via LAN if
 the internet via LAN is up, else the other connection (via usb internet
 key).
 I have configured the two eth connections with different priorities
 (/etc/network/interfaces), however if the LAN has no internet connection
 the system don't use the usb-key.
 I post my config file.

 eth0 = wired connection, gateway 192.168.0.1
 eth1 = via usb internet key, gateway 192.168.1.1

 debian@arm:~$ ping 8.8.8.8
 PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.
 From 192.168.0.1 icmp_seq=1 Destination Net Unreachable
 From 192.168.0.1 icmp_seq=2 Destination Net Unreachable
 From 192.168.0.1 icmp_seq=3 Destination Net Unreachable
 From 192.168.0.1 icmp_seq=4 Destination Net Unreachable
 From 192.168.0.1 icmp_seq=5 Destination Net Unreachable
 ^C
 --- 8.8.8.8 ping statistics ---
 9 packets transmitted, 0 received, +9 errors, 100% packet loss, time
 8012ms


 debian@arm:~$ ping -I eth1 8.8.8.8
 PING 8.8.8.8 (8.8.8.8) from 192.168.0.14 eth1: 56(84) bytes of data.
 64 bytes from 8.8.8.8: icmp_req=3 ttl=43 time=658 ms
 64 bytes from 8.8.8.8: icmp_req=2 ttl=43 time=1687 ms
 64 bytes from 8.8.8.8: icmp_req=1 ttl=43 time=2687 ms
 64 bytes from 8.8.8.8: icmp_req=4 ttl=43 time=47.6 ms
 ^C
 --- 8.8.8.8 ping statistics ---
 8 packets transmitted, 7 received, 12% packet loss, time 7003ms
 rtt min/avg/max/mdev = 47.670/899.876/2687.464/921.850 ms, pipe 3


 debian@arm:~$ sudo route -n
 Kernel IP routing table
 Destination Gateway Genmask Flags Metric RefUse
 Iface
 0.0.0.0 192.168.0.1 0.0.0.0 UG0  00
 eth0
 0.0.0.0 192.168.1.1 0.0.0.0 UG10 00
 eth1
 192.168.0.0 0.0.0.0 255.255.255.0   U 0  00
 eth0
 192.168.1.0 0.0.0.0 255.255.255.0   U 0  00
 eth1
 192.168.7.0 0.0.0.0 255.255.255.252 U 0  00
 usb0


 debian@arm:~$ nano /etc/network/interfaces


 # This file describes the network interfaces available on your system
 # and how to activate them. For more information, see interfaces(5).


 # The loopback network interface
 auto lo
 iface lo inet loopback


 # The primary network interface
 auto eth0
 iface eth0 inet static
 address 192.168.0.14
 netmask 255.255.255.0
 gateway 192.168.0.1


 # Example to keep MAC address between reboots
 #hwaddress ether DE:AD:BE:EF:CA:FE


 # The secondary network interface
 auto eth1
 allow-hotplug eth1
 #allow-auto eth1
 iface eth1 inet static
 address 192.168.1.100
 netmask 255.255.255.0
 gateway 192.168.1.1
 metric 10


 # WiFi Example
 #auto wlan0
 #iface wlan0 inet dhcp
 #wpa-ssid essid
 #wpa-psk  password


 # Ethernet/RNDIS gadget (g_ether)
 # ... or on host side, usbnet and random hwaddr
 # Note on some boards, usb0 is automaticly setup with an init script
 iface usb0 inet static
 address 192.168.7.2
 netmask 255.255.255.0
 network 192.168.7.0
 gateway 192.168.7.1

  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] BeagleBone Black with thunderbolt

2014-07-21 Thread liyaoshi
If I can suggest , for storage system , you can try banana pi board .
http://www.bananapi.org/
It will have sata and 2 cortex-A7 cores


2014-07-22 8:05 GMT+08:00 eagletree eagletr...@gmail.com:

 Thanks very much for the reply. I kind of suspected that. The thunderbolt
 works well with the recent mini-macs and I already have it connected to one
 as a backup device, it would be simple enough to export on NFS and that
 would do the job. The way I'm planning the app, there would be multiple
 BBBs accessing the file system plus they would use standard db IO for sql.
 Given that each BBB would be handling a single web service request (start
 to finish of one state), I think NFS would be adequate. I had just hoped to
 take advantage of the raw performance of the Areca RAID we use. You've
 settled the architecture for me and it's easier to set up a prototype this
 way. Thank you.


 On Monday, July 21, 2014 10:44:27 AM UTC-7, William Hermans wrote:

 I'm not a Thunderbolt expert, but I think the bottleneck here ( assuming
 the BBB had  access to PCI-E ) would be the CPU. I have been following the
 concept several years before implemented in consumer product, I still do
 not know the actual specification, but I am fairly certain the BBB does not
 have fast enough, or even enough I/O to do Thunderbolt.

 However, the BBB *can* load the kernel and root file system via USB, NFS,
 and MMC media at minimum. I've done all 3 of the above, and they a work
 very well. The on board Ethernet is exceptionally fast when compared to
 some PC implementations. The USB hardware I tested was nearly twice as fast
 at writes, but slightly slower at reads( comparedto NFS ). This may / may
 not have had to do with my external USB media though.

 iSCSI also worked, but was not faster than NFS. Since NFS is considerably
 easier to setup, I pretty much gave up on iSCSI.


 On Sun, Jul 20, 2014 at 2:31 PM, eagletree eagle...@gmail.com wrote:

 I am very new to the SBC world. I have an RP but would like to use a
 Beaglebone Black for an application on my network. The difficulty is that
 the data involved is on a Thunderbolt RAID array. I can re-export access to
 that file system on a protocol that these small computers could access, but
 I had hoped to be able to directly connect and avoid having a proxy
 computer to maintain. Is there any possibility that someone is working on a
 cape that could access thunderbolt for disk array connections? Is
 thunderbolt too proprietary and guarded to work up one's own solution?

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google
 Groups BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send
 an email to beagleboard...@googlegroups.com.

 For more options, visit https://groups.google.com/d/optout.


  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] Re: BBB Double Network wifi + lan ?

2014-07-09 Thread liyaoshi
As I remember , after kernel 2.6 , Linux can support one arm bridge



2014-07-10 11:26 GMT+08:00 Russ Hall rllf...@gmail.com:

 Short answer = Yes.



 On Saturday, July 5, 2014 4:00:37 AM UTC-5, bilali...@gmail.com wrote:

 Hello,
 My question is in the Image
 This is my project and i am working very hard on it... Kindly help...


 https://lh3.googleusercontent.com/-laAfRiMmG9c/U7e-o95gUwI/AKA/ayubDrVWIyU/s1600/bbb+dual+network.png


  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] Flashing internal flash of DM3730 on BeagleBoard-XM

2014-06-18 Thread liyaoshi
As I remember , You can user pserial.exe download from serial port .
And
You can write u-boot.bin to flash .only one thing  should be notice , some
version u-boot on dm3730 use 8 bit bch load kernel and filesystem
switch ecc mode to soft and 1bit to write u-boot.bin
pserial.exe can download from ti dvsdk

Regards


2014-06-18 14:29 GMT+08:00 pablokorn pavelkorneyc...@gmail.com:

 Good time of day to everyone!
 How can I update boot loader in internal flash DM3730 on BeagleBoard-xM?
 Only with JTAG(I dont have them yet)? Maybe by UART or else?
 And other question: how to check that boot loader in internal flash DM3730
 not corrupted and starting well (my beagleborad-XM not new).
 I connect board to terminal on Win7 with UART and no messages get, that
 internal flash DM3730 started to work.

  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] BeagleBone Black web server

2014-06-08 Thread liyaoshi
Use Default Apache Benchmark within Ubuntu 12.04 on PC

See attatch test log file

In static page case , Apache never wins,as I know


2014-06-09 7:23 GMT+08:00 John Syn john3...@gmail.com:


 From: William Hermans yyrk...@gmail.com
 Reply-To: beagleboard@googlegroups.com
 Date: Saturday, June 7, 2014 at 8:37 AM
 To: beagleboard@googlegroups.com
 Subject: Re: [beagleboard] BeagleBone Black web server

 *Apache on arm is not a too good option try lighthttpd ?*

 I haven’t used Apache much, but my understanding is that Apache uses a
 thread per connection which sucks up resources pretty quickly and doesn’t
 scale very well. This is the reason why Node.js is preferred because it is
 single threaded and uses asynchronous I/O so it scales so much better.
 Given the limited resources on the BBB, Node.js is able to support 100x
 connections compared to Apache. I don’t know much about Lighthttpd.

 Regards,
 John



 Really ? Care to enlighten us as to why Apache on ARM is no good ?


 On Sat, Jun 7, 2014 at 5:19 AM, Don deJuan donjuans...@gmail.com wrote:

  darkhttpd and nginx are also good alternatives as well as a few others.

 On 06/07/2014 04:19 AM, Li926744 wrote:

 Apache on arm is not a too good option try lighthttpd ?

 Michael Thompson thompsonmichael...@gmail.com
 thompsonmichael...@gmail.com编写:

 I flashed Debian to the eMMC and it seems to be working fine. My plan is
 to host a small web page using Apache. I installed Apache and using the IP
 address the BeagleBone 101 loads fine from outside my network.

 So, my question is, in what directory do I save my index.html file in
 order to see it as the default page served by Apache? There are no files in
 the /var/www/ directory so I am confused. On my Linux Mint (Debian edition)
 all I had to do was save my index file in the www directory.

 Anyone know where I am going wrong?

 Thanks!!
  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.
 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.

  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.
xihuang@Z620-NAV:/tmp/u-boot$ ab -n 2000 -c 1000 http://localhost:80/index.html
This is ApacheBench, Version 2.3 $Revision: 655654 $
Copyright 1996 Adam Twiss, Zeus Technology Ltd, http://www.zeustech.net/
Licensed to The Apache Software Foundation, http://www.apache.org/

Benchmarking localhost (be patient)
Completed 200 requests
Completed 400 requests
Completed 600 requests
Completed 800 requests
Completed 1000 requests
Completed 1200 requests
Completed 1400 requests
Completed 1600 requests
Completed 1800 requests
Completed 2000 requests
Finished 2000 requests


Server Software:lighttpd/1.4.28
Server Hostname:localhost
Server Port:80

Document Path:  /index.html
Document Length:177 bytes

Concurrency Level:  1000
Time taken for tests:   0.221 seconds
Complete requests:  2000
Failed requests:0
Write errors:   0
Total transferred:  868000 bytes
HTML transferred:   354000 bytes
Requests per second:9037.75 [#/sec] (mean)
Time per request:  

Re: [beagleboard] Gtk-warning: cannot open display

2014-06-04 Thread liyaoshi
#export DISPLAY=:0


2014-06-04 15:23 GMT+08:00 hari hsmada...@gmail.com:

 Hello,

 I have copied opencv programs into sd card and put it on my beagleboard-xm
 ubuntu and ran it as root on minicom. I have already installed
 opencv,libwebcam,etc and compiled a sample c program-hello.cIt works
 well.
 *But when I compiled an opencv program to display an image it shows
 Gtk-warning: cannot open display*.
 Can anyone please find a solution for this.
 After solving this problem only I can go forward. Awaiting your response
 regarding this.

 Thanks.
 Hari

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] BBB's memory is messy?

2014-05-28 Thread liyaoshi
From eMMC spec 4.3, eMMC will have 2 boot partition called boot partitions
, and general partition called user partition
For robust disign , Boot partition will not be able to use wear leave . so
it should be use as SLC design (against user partition MLC )and make a
backup
And on Ti chip , these 2 partition CAN NOT used as boot partition , while
in FSL and QUANTUM , their boot rom can boot from these 2 (only depend on
the boot flag in extCSD[179])

You can read the imx 6 Reference manual for more detail about this .


2014-05-29 11:28 GMT+08:00 jiapei100 jp4w...@gmail.com:


 Hi, all:


 Sorry for dropping this stupid question. But, with my TF card plugged in,
 I checked the memory of BBB (Refer to the bottom command)
 It looks BBB's memory is quite messy.

 On my 32Giga TF Card, namely, mmcblk0, I got /dev/mmcblk0p1 and
 /dev/mmcblk0p2
 On eMMC, namely, /dev/mmcblk1, I got dev/mmcblk0p1, dev/mmcblk0p2,
 /dev/mmcblk1boot0, and /dev/mmcblk1boot1 .

 Just wondering, why on eMMC, there are /dev/mmcblk1boot0, and
 /dev/mmcblk1boot1? What for?
 And, it looks that my eMMC is only of 2Giga? I was thinking the newest BBB
 is of 4Giga eMMC???


 Cheers
 Pei



 1) *debian@beaglebone:~/Downloads/installed/kernel$ ls -ls /dev/mmcblk**
 0 brw-rw---T 1 root floppy 179,  0 Apr 15 00:17 /dev/mmcblk0
 0 brw-rw---T 1 root floppy 179,  1 Apr 15 00:17 /dev/mmcblk0p1
 0 brw-rw---T 1 root floppy 179,  2 Apr 15 00:17 /dev/mmcblk0p2
 0 brw-rw---T 1 root floppy 179,  8 Apr 15 00:18 /dev/mmcblk1
 0 brw-rw---T 1 root floppy 179, 16 Apr 15 00:17 /dev/mmcblk1boot0
 0 brw-rw---T 1 root floppy 179, 24 Apr 15 00:17 /dev/mmcblk1boot1
 0 brw-rw---T 1 root floppy 179,  9 Apr 15 00:18 /dev/mmcblk1p1
 0 brw-rw---T 1 root floppy 179, 10 May 29 02:16 /dev/mmcblk1p2

 2) *debian@beaglebone:~/Downloads/installed/kernel$ fdisk -ls*

 Disk /dev/mmcblk0: 31.5 GB, 31486640128 bytes
 4 heads, 16 sectors/track, 960896 cylinders, total 61497344 sectors
 Units = sectors of 1 * 512 = 512 bytes
 Sector size (logical/physical): 512 bytes / 512 bytes
 I/O size (minimum/optimal): 512 bytes / 512 bytes
 Disk identifier: 0x000a9bd0

 Device Boot  Start End  Blocks   Id  System
 /dev/mmcblk0p1   *2048  198655   98304e  W95 FAT16
 (LBA)
 /dev/mmcblk0p2  1986566149734330649344   83  Linux

 Disk /dev/mmcblk1: 1920 MB, 1920991232 bytes
 4 heads, 16 sectors/track, 58624 cylinders, total 3751936 sectors
 Units = sectors of 1 * 512 = 512 bytes
 Sector size (logical/physical): 512 bytes / 512 bytes
 I/O size (minimum/optimal): 512 bytes / 512 bytes
 Disk identifier: 0x

 Device Boot  Start End  Blocks   Id  System
 /dev/mmcblk1p1   *2048  198655   98304e  W95 FAT16
 (LBA)
 /dev/mmcblk1p2  198656 3751935 1776640   83  Linux

 *Disk /dev/mmcblk1boot1: 1 MB, 1048576 bytes*
 4 heads, 16 sectors/track, 32 cylinders, total 2048 sectors
 Units = sectors of 1 * 512 = 512 bytes
 Sector size (logical/physical): 512 bytes / 512 bytes
 I/O size (minimum/optimal): 512 bytes / 512 bytes
 Disk identifier: 0x

 *Disk /dev/mmcblk1boot1 doesn't contain a valid partition table*

 *Disk /dev/mmcblk1boot0: 1 MB, 1048576 bytes*
 4 heads, 16 sectors/track, 32 cylinders, total 2048 sectors
 Units = sectors of 1 * 512 = 512 bytes
 Sector size (logical/physical): 512 bytes / 512 bytes
 I/O size (minimum/optimal): 512 bytes / 512 bytes
 Disk identifier: 0x

 *Disk /dev/mmcblk1boot0 doesn't contain a valid partition table*





  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] Re: [beagle-alpha] help, I think the smoke escaped from my beagle stack (beagle white, battery cape, dvi cape, audio cape)

2014-05-19 Thread liyaoshi
Hello Gerald

How to do RMA ? I am in Shanghai


2014-05-19 20:51 GMT+08:00 Gerald Coley ger...@beagleboard.org:

 Do the RMA.

 Gerald



 On Sun, May 18, 2014 at 9:13 PM, Eric Fort eric.f...@gmail.com wrote:

 Help,

 I just got an audio cape today and wanting to get it working I added it
 to the top of the cape stack such that I had a beaglebone white, the
 battery cape, dvi cape, and finally the new rev b audio cape on top.  a
 couple days ago I used this setup without the audio cape running on
 batteries and it worked completely as expected.  I plugged it into the
 network and used the stack over ssh for over 3 hours as commented in a
 previous post.  Today, I was a bit short on batteries so after carefully
 looking over the battery cape SRM found here
 https://github.com/CircuitCo/BeagleBone-Battery/blob/master/BeagleBone-Battery-RevA-srm.pdf?raw=trueand
  determining that it will accept from 1.8-5.5V across VBAT as
 doccumented on page 16 of the cape SRM I reviewed the schematic to find J8
  J9 allow attachment to VBATT such that I may attach a power supply to J8
 or J9 for power.  I then placed 2 AA cells in the battery holders on the
 battery cape and measured the voltage across J8  J9 to determine proper
 polarity after which I attached a black lead to the minus or negative
 terminal and a red lead to the positive terminal.  it blinked and flashed
 nicely as I would wxpect at this point as if trying to boot.  I then
 attached a 5V power supply to these terminals checking for proper polarity
 prior to turning on the supply which I measured at 5 volts.  I only took
 this option because after careful reading of the Battery cape SRM It stated
 that 5v is in spec.  well the board stack failed to come up or give any
 indication of life, not so much as a power LED on any of the boards!  then
 about 15 seconds elapsed and things started to smell.  I pulled power
 shortly thereafter.  now all that happens when I put batteries in the
 battery cape in the batteries get too hot to hold in just a couple seconds
 and the smell returns.  trying to power the beaglebone over USB with no
 other capes attached blinks the power LED but no other evidence of life is
 seen.  I am also suspect of the audio cape and dvi cape possibly being
 fried as well.  are there some additional things I can and should check or
 is this something for direct RMA?

 Thanks,

 Eric


  --
 You received this message because you are subscribed to the Google Groups
 Beagle Alpha group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagle-alpha+unsubscr...@googlegroups.com.

 For more options, visit https://groups.google.com/d/optout.


  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] Clear CPU caches for reading system timer on beaglebone

2014-05-19 Thread liyaoshi
https://groups.google.com/forum/#!searchin/beagleboard/$20Clear$20CPU$20caches/beagleboard/ypXbgkmkAek/GaCqAyAWREkJ


2014-05-18 0:32 GMT+08:00 fis.ir...@gmail.com:

 Hi,

 I am using TI AM335x BeagleBone, Linux kernel version 3.8.13. My aim is to
 get fast and reliable time values from user-space using dmtimer.

 When I I read (and print) tick values of DMTimer2 though /dev/mem, I have
 the following:

  3146348594
  3146350438
  3146352109
  3146357959
  3146360117
  3146361773
  3146363376
  3146364986
  3146370527
  3146374221
  3146376003
  3146382901
  3146384741
  3146386379

 However, when I invoke device driver with mmap operation and then in user
 space interact with this device, I have a strange behavior. Ticks are
 repeated periodically:

 2296380051
 2296386006
 2296386006
 2296403883
 2296412958
 2296423574
 2296423574
 2296438010
 2296438010
 2296438010
 2296457840
 2296468548
 2296468548
 2296482669
 2296482669
 2296482669
 2296482669
 2296507701

 I am not sure, but it looks like L1/L2 caches are overflowed. My question
 is what can cause this behaviour. And if it is CPU caches, how they can be
 cleared.
 I found this answer How to clear CPU L1 and L2 
 cachehttp://stackoverflow.com/questions/3446138/how-to-clear-cpu-l1-and-l2-cache,
 but I doubt how I can apply this method.
 Do you have any suggestions? I will appreciate any help.


 If it is necessary, I post here briefly the way how I obtain these ticks
 vs driver.

 1. remapping of a specific region in kernel space (0x4804 - DMTIMER2
 register start address):

 static int simple_remap_mmap(struct file *filp, struct vm_area_struct *vma)
 {
unsigned long off = vma-vm_pgoff  PAGE_SHIFT;
// generate the correct page frame number
unsigned long pfn = (0x4804 + off)  PAGE_SHIFT;

// vsize is the requested size of virtual memory
unsigned long vsize = vma-vm_end - vma-vm_start;

// psize is the physical I/O size that is left after the offset has been 
 specified
unsigned long psize = 0x4804 + 32 - off;

// refuses to map addresses that extend beyond the allowed memory range
if (vsize  psize)
{
   return -EINVAL;
}
if (remap_pfn_range(vma, vma-vm_start, pfn, vsize, vma-vm_page_prot))
{
   return -EAGAIN;
}
vma-vm_ops = simple_remap_vm_ops;
simple_vma_open(vma);
return 0;
 }


1. in user space I do it approximately in the following way:

 .

   volatile unsigned char* dmt2_regs;
   dmt2_regs = (unsigned char*) mmap(NULL, 0x1000, PROT_READ|PROT_WRITE, 
 MAP_SHARED, fd, 0);
   while (true)
   {
uint32_t t0 = * (uint32_t*) ( dmt2_regs + 0x3c );
std::cout  t0  std::endl;
   }

  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] HC-05 Bluetooth and the beagle bone black ...

2014-05-15 Thread liyaoshi
Check cts/rts pin mux ,if you make sure your tx/rx and GND is right .
And , check if cts /rts pull down when idle .


2014-05-15 15:32 GMT+08:00 Pedro Gonzalez perigon...@gmail.com:

 Hi liyaoshi!

 Thanks for the answer. Actually hciconfig gives no results at all, which
 probably means the HC-05 is nt recognized in the system. What can I do
 next??

 Thanks for the advice :)

 Pedro

 El jueves, 15 de mayo de 2014 05:13:29 UTC+2, liyaoshi escribió:

 As I understand , hciconifg and hcitools will be the basic Bluez test
 utils

 First , make sure your HC-05 module can run with hciconfig

 hciconfig -a to see what's output


 2014-05-15 1:57 GMT+08:00 Pedro Gonzalez perig...@gmail.com:


 Hi there!

 Newbie here ... sorry if too basic or already answered somewhere, I can
 not find what I'm looking for. Here is my problem:

 I'm trying to connect my BBB to an android device via bluetooth. I'm
 using a HC-05 device and followed the instructions in 
 herehttp://hipstercircuits.com/enable-serialuarttty-on-beaglebone-black/.
 It works to some extent. Bluetooth connects to the devide and I can send
 messages to my android device runninga terminal software ( BLUETERM).
 Problem is that I can not read from the device (which BTW is the sole
 purpose of the connection ...).

 I'm doing it pretty basic by now, just some echo hello  /dev/ttyO4 and
 cat /dev/ttyO4 The first works, the latter doesn´t. All I'm trying to do by
 now is to make some sort of simple android app that can turn on and off
 some LED on the BBB. Later will go more complex but what I need now is to
 set the foundations to my project.

 It would be great if there is a tutorial somewhere on how to open a
 shell over bluetooth from the android device, would be wonderful. I found
 some on how to do it on rasPi but no luck with BBB

 Any advice? any tutorials? any help ...??

 If I have to be more specific please let me know what you need and I'll
 give the informion. I'm running trhe latest armstrong distribution n a BBB
 rev B.

 Thanks for any help!

 Pedro

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google
 Groups BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send
 an email to beagleboard...@googlegroups.com.

 For more options, visit https://groups.google.com/d/optout.


  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] Interfacing microcontroller to BBB

2014-05-15 Thread liyaoshi
If this is a very low cost device , You can do this , As I understand .
There are lots of jtag cables with parallel port connect to jtag only with
100ohm resister, seems no problem
depend on your max currents


2014-05-15 16:00 GMT+08:00 Aswin asp1...@gmail.com:

 Hi,

 I have a board consisting of PIC micro, ADC, DACs etc running on 5V and
 need to interface the microcontroller with BBB via UART. For 5V-3.3V
 interfacing, I plan to use this circuit:
 http://s11.postimg.org/8q2fddr3n/Capture.png
 The board gets rectified supply from a transformer. Is it safe to connect
 the ground terminals of the two devices directly?


  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


Re: [beagleboard] 625 MHz leak?

2014-05-14 Thread liyaoshi
625M clock noise maybe from 125M clocksource, or 25M
This might be from ethernet
Do you use GIGA ethernet ?
And
Try to unplug the RJ45 cable


2014-05-15 5:01 GMT+08:00 Gerald Coley ger...@beagleboard.org:

 OK. Understood. Different test equipment will yield different results. And
 it can be effected by the SW you are running.

 Gerald


 On Wed, May 14, 2014 at 3:59 PM, l...@ansync.com wrote:

 It's not something unique to our board--a stock BBB has the same problem.


 On Wednesday, May 14, 2014 1:41:29 PM UTC-7, Gerald wrote:

 Sounds like you may have grounding issues or unterminated pin . Using a
 probe should let you be able to determine which side of the chip it is.

 Gerald



 On Wed, May 14, 2014 at 3:37 PM, l...@ansync.com wrote:

 It seems to come from right around the processor, but we couldn't
 pinpoint it any more precisely than that, or even to one side of the board
 or other.


 On Wednesday, May 14, 2014 10:56:28 AM UTC-7, Gerald wrote:

 In order to mitigate it you need to figure out where it
 is coming from. A probe test will help in that area. Have you run one?
 Using ferrites on all cables generally helps in these types of issues.

 Gerald



 On Wed, May 14, 2014 at 12:01 PM, l...@ansync.com wrote:

 We have a BBB-based design currently undergoing FCC testing, and
 they've found a bit of noise at 625 MHz. Has anyone else encountered 
 this,
 or know what it might be, or how to mitigate it?

 --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google
 Groups BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it,
 send an email to beagleboard...@googlegroups.com.

 For more options, visit https://groups.google.com/d/optout.


  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google
 Groups BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send
 an email to beagleboard...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


  --
 For more options, visit http://beagleboard.org/discuss
 ---
 You received this message because you are subscribed to the Google Groups
 BeagleBoard group.
 To unsubscribe from this group and stop receiving emails from it, send an
 email to beagleboard+unsubscr...@googlegroups.com.
 For more options, visit https://groups.google.com/d/optout.


-- 
For more options, visit http://beagleboard.org/discuss
--- 
You received this message because you are subscribed to the Google Groups 
BeagleBoard group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to beagleboard+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.


  1   2   >