[beagleboard] BBB as wifi access point

[Eric Palmer]

I may not be thinking about this perfectly but this is what I want to do

I will build a robot that I want to control from a web page(s) from an
ipad.  The robot will be used far away from any buildings and other wifi.

If I set up the BBB as a wifi access point I can connect to it from my
ipad.

I want to use the latest debian image to start this.  I'm not really a
linux networking person so how would I proceed?

Thanks in advance for your advice.

-- 
Eric Palmer

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[beagleboard] BBB GLIBC6 version issue

[A P]

I hope someone out there can help.

I have a BBB just updated to the latest firmware. My version on the BBB of 
LIBC6 is v2.16. I am compiling a project in Eclipse which if I include the 
line

clkerr=clock_gettime(CLOCK_REALTIME,&UDPstartTime);  
//CLOCK_MONOTONIC CLOCK_REALTIM _POSIX_MONOTONIC_CLOCK

Builds successfully. When however I launch via the GDB debugger I get the 
error :

Remote debugging from host 192.168.1.8
/home/root/test/test: /lib/libc.so.6: version `GLIBC_2.17' not found 
(required by /home/root/test/test)

Child exited with status 1
GDBserver exiting


If I comment out the clock_gettime function the program runs and I can 
debug.

I cannot find a later version of LIBC6 (2.17 or greater) for Angstrom 
distribution. Or is there another solution or am I barking up the wrong 
tree.

I am running Eclipse from a Windows 7 PC. The Cross compiler is 
gcc-linaro-arm-linux-gnueabihf-4.8-2013.09_win32


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Re: [beagleboard] AIN max voltage exceeded

[Gerald Coley]

Does it go to 220V? I mean if it is to be found people will try
to connect it!

Gerald


On Thu, Apr 10, 2014 at 1:38 AM, Bas Laarhoven  wrote:

>  On 10-4-2014 2:03, Padawan wrote:
>
> Sounds like someone needs to make a "surge protector" cape for people like
> us... I'd buy that. My current Zener diode monstrosity design isn't
> particularly effective.
> --
> For more options, visit http://beagleboard.org/discuss
> ---
> You received this message because you are subscribed to the Google Groups
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> To unsubscribe from this group and stop receiving emails from it, send an
> email to beagleboard+unsubscr...@googlegroups.com.
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>
>
> With the current shortage and future price increase, it may be worth
> investing in BeagleBone protection again ;-)
> This 'surge protector' cape you mention already exists!
>
> Shameless plug:
>
> Have a look at the BeBoPr series of boards and the current BeBoPr++. The
> analogue inputs are designed to handle shorts against a 12 Volt supply.
> Besides the over voltage protection you also get an extra (better) ADC,
> protected digital inputs, both TTL and high current outputs, a 12-24 Volt
> to 5 Volt step down converter, I2C level shifter, etc. Oh, and you can also
> use it to control some stepper motors, e.g. to build a 3D printer, or a
> laser cutter, or a router, or something I haven't thought of yet. There's a
> picture and manual available for download via this link:
> https://github.com/modmaker/BeBoPr-plus-plus.
>
> -- Bas
>
>  --
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[beagleboard] Help with Cross Compile of first HelloWorld App

[RV9Flyer]

I'm a newbie and this is my first post.

I just got started with building my first HelloWorld style app to test the 
cross-compile capabilities of Eclipse/CDT, The app compiles successfully 
and generate the expected HelloBeagle.elf executable. However, when I 
transfer it to my beagle and attempt to run, I get an "Illegal instruction" 
error. 

I've watched every video I could find (Thanks Derek Malloy) and I still 
can't find the reason for the error. Obviously it's not generating the 
right code base, but the build output does show that it it aimed for the 
cortex-a8 processor which I believe is correct for the beaglebone black.  

I would appreciate any suggestions or ideas!!

Thanks

*Here is my environment info and build output:*

*Build Environment:*
Windows 7
Eclipse Kepler SR2
CDT 
GNU ARM Eclipse Plug-in
MinGW

*Beaglebone Black:* (Angstrom Distro)
Linux beaglebone 3.8.13 #1 SMP Wed Sep 4 09:09:32 CEST 2013 armv7l GNU/Linux

*Build output:*
16:11:12  Build of configuration Debug for project HelloBeagle 
make pre-build main-build 
arm-none-eabi-gcc --version
arm-none-eabi-gcc.exe (GNU Tools for ARM Embedded Processors) 4.8.3 
20140228 (release) [ARM/embedded-4_8-branch revision 208322]
Copyright (C) 2013 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

 
Building file: ../src/HelloBeagle.cpp
Invoking: Cross ARM C++ Compiler
arm-none-eabi-g++ -mcpu=cortex-a8 -O0 -fmessage-length=0 -fsigned-char 
-ffunction-sections -fdata-sections -Wall  -g3 -MMD -MP 
-MF"src/HelloBeagle.d" -MT"src/HelloBeagle.d" -c -o "src/HelloBeagle.o" 
"../src/HelloBeagle.cpp"
Finished building: ../src/HelloBeagle.cpp
 
Building target: HelloBeagle.elf
Invoking: Cross ARM C++ Linker
arm-none-eabi-g++ -mcpu=cortex-a8 -O0 -fmessage-length=0 -fsigned-char 
-ffunction-sections -fdata-sections -Wall  -g3 -Xlinker --gc-sections 
-Wl,-Map,"HelloBeagle.map" --specs=rdimon.specs -Wl,--start-group -lgcc -lc 
-lc -lm -lrdimon -Wl,--end-group -o "HelloBeagle.elf"  ./src/HelloBeagle.o 
  
Finished building target: HelloBeagle.elf
 
Invoking: Cross ARM GNU Create Flash Image
arm-none-eabi-objcopy -O ihex "HelloBeagle.elf"  "HelloBeagle.hex"
Finished building: HelloBeagle.hex
 
Invoking: Cross ARM GNU Print Size
arm-none-eabi-size --format=berkeley "HelloBeagle.elf"
   text   databssdechex filename
 211304   2732   7776 221812  36274 HelloBeagle.elf
Finished building: HelloBeagle.siz
 

16:11:28 Build Finished (took 16s.236ms)


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[beagleboard] Beaglebone Black REV B + 4DSystem LCD7 reboots after power on ?

[josefkappa0]

  Beaglebone Black REV B

  4DSystem LCD7 

  boot Angstrom on emmc -> /etc/dogtag=Cloud9 GNOME Image 2013.09.04

  power DC 5v , > 2A

  *after power on I can see the beaglebone logo on LCD and then bbb reboot 
?!*
  
  
  bbb without LCD7 is OK 
  
  bbb withHDMI is OK 


  tried :
  - BBB-ubuntu-13.10-2013-12-17-4gb.img.xz on SDCARD

same as Angstrom 

  - bone-debian-7.4-2014-03-27-2gb.img.xz on SDCARD
  
same as Angstrom but after linux logo I see a few text lines asking for 
user login just before board reboot

  - test with and without keyboard and mouse connected 

  - test with and without ethernet connected 

 
  Anyone got same problem ?
  
  bbb  or  lcd7  fault ?  
  
  what kind of test I can do ? (got only one bbb and one lcd7 ...)


  thanks for help



  start message (bbb+lcd7+Angstrom emmc) :

---
U-Boot SPL 2013.04-dirty (Jul 10 2013 - 14:02:53)
musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, HB-ISO Rx, HB-ISO Tx, 
SoftConn)
musb-hdrc: MHDRC RTL version 2.0
musb-hdrc: setup fifo_mode 4
musb-hdrc: 28/31 max ep, 16384/16384 memory
USB Peripheral mode controller at 47401000 using PIO, IRQ 0
musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, HB-ISO Rx, HB-ISO Tx, 
SoftConn)
musb-hdrc: MHDRC RTL version 2.0
musb-hdrc: setup fifo_mode 4
musb-hdrc: 28/31 max ep, 16384/16384 memory
USB Host mode controller at 47401800 using PIO, IRQ 0
OMAP SD/MMC: 0
mmc_send_cmd : timeout: No status update
reading u-boot.img
reading u-boot.img


U-Boot 2013.04-dirty (Jul 10 2013 - 14:02:53)

I2C:   ready
DRAM:  512 MiB
WARNING: Caches not enabled
NAND:  No NAND device found!!!
0 MiB
MMC:   OMAP SD/MMC: 0, OMAP SD/MMC: 1
*** Warning - readenv() failed, using default environment

musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, HB-ISO Rx, HB-ISO Tx, 
SoftConn)
musb-hdrc: MHDRC RTL version 2.0
musb-hdrc: setup fifo_mode 4
musb-hdrc: 28/31 max ep, 16384/16384 memory
USB Peripheral mode controller at 47401000 using PIO, IRQ 0
musb-hdrc: ConfigData=0xde (UTMI-8, dyn FIFOs, HB-ISO Rx, HB-ISO Tx, 
SoftConn)
musb-hdrc: MHDRC RTL version 2.0
musb-hdrc: setup fifo_mode 4
musb-hdrc: 28/31 max ep, 16384/16384 memory
USB Host mode controller at 47401800 using PIO, IRQ 0
Net:not set. Validating first E-fuse MAC
cpsw, usb_ether
Hit any key to stop autoboot:  0
gpio: pin 53 (gpio 53) value is 1
mmc_send_cmd : timeout: No status update
Card did not respond to voltage select!
mmc0(part 0) is current device
Card did not respond to voltage select!
No micro SD card found, setting mmcdev to 1
mmc1(part 0) is current device
gpio: pin 54 (gpio 54) value is 1
SD/MMC found on device 1
reading uEnv.txt
26 bytes read in 3 ms (7.8 KiB/s)
Loaded environment from uEnv.txt
Importing environment from mmc ...
gpio: pin 55 (gpio 55) value is 1
4385024 bytes read in 765 ms (5.5 MiB/s)
gpio: pin 56 (gpio 56) value is 1
24808 bytes read in 53 ms (457 KiB/s)
Booting from mmc ...
## Booting kernel from Legacy Image at 80007fc0 ...
   Image Name:   Angstrom/3.8.13/beaglebone
   Image Type:   ARM Linux Kernel Image (uncompressed)
   Data Size:4384960 Bytes = 4.2 MiB
   Load Address: 80008000
   Entry Point:  80008000
   Verifying Checksum ... OK
## Flattened Device Tree blob at 80f8
   Booting using the fdt blob at 0x80f8
   XIP Kernel Image ... OK
OK
   Using Device Tree in place at 80f8, end 80f890e7

Starting kernel ...

Uncompressing Linux... done, booting the kernel.
[0.196292] omap2_mbox_probe: platform not supported
[0.206862] tps65217-bl tps65217-bl: no platform data provided
[0.306879] bone-capemgr bone_capemgr.8: slot #1: No cape found
[0.343983] bone-capemgr bone_capemgr.8: slot #2: No cape found
[0.381092] bone-capemgr bone_capemgr.8: slot #3: No cape found
[0.406416] bone-capemgr bone_capemgr.8: slot #5: BB-BONELT-HDMI 
conflict P8.45 (#0:BB-BONE-LCD7-01)
[0.416031] bone-capemgr bone_capemgr.8: slot #5: Failed verification
[0.425576] bone-capemgr bone_capemgr.8: slot #6: BB-BONELT-HDMIN 
conflict P8.45 (#0:BB-BONE-LCD7-01)
[0.435278] bone-capemgr bone_capemgr.8: slot #6: Failed verification
[0.455141] omap_hsmmc mmc.4: of_parse_phandle_with_args of 'reset' 
failed
[0.462471] bone-capemgr bone_capemgr.8: loader: failed to load slot-6 
BB-BONELT-HDMIN:00A0 (prio 2)
[0.472078] bone-capemgr bone_capemgr.8: loader: failed to load slot-5 
BB-BONELT-HDMI:00A0 (prio 1)
[0.539752] pinctrl-single 44e10800.pinmux: pin 44e10854 already 
requested by 44e10800.pinmux; cannot claim for gpio-leds.7
[0.551498] pinctrl-single 44e10800.pinmux: pin-21 (gpio-leds.7) status 
-22
[0.558808] pinctrl-single 44e10800.pinmux: could not request pin 21 on 
device pinctrl-single
[0.724826] tilcdc 4830e000.fb: timeout waiting for framedone
---

reboot and repeat same sequence

--

Re: [beagleboard] AIN max voltage exceeded

[David Lambert]

On 04/10/2014 07:57 AM, Gerald Coley wrote:
Does it go to 220V? I mean if it is to be found people will try 
to connect it!

LOL - nor to mention xxKv of static, etc!


Gerald


On Thu, Apr 10, 2014 at 1:38 AM, Bas Laarhoven > wrote:


On 10-4-2014 2:03, Padawan wrote:

Sounds like someone needs to make a "surge protector" cape for
people like us... I'd buy that. My current Zener diode
monstrosity design isn't particularly effective.
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With the current shortage and future price increase, it may be
worth investing in BeagleBone protection again ;-)
This 'surge protector' cape you mention already exists!

Shameless plug:

Have a look at the BeBoPr series of boards and the current
BeBoPr++. The analogue inputs are designed to handle shorts
against a 12 Volt supply. Besides the over voltage protection you
also get an extra (better) ADC, protected digital inputs, both TTL
and high current outputs, a 12-24 Volt to 5 Volt step down
converter, I2C level shifter, etc. Oh, and you can also use it to
control some stepper motors, e.g. to build a 3D printer, or a
laser cutter, or a router, or something I haven't thought of yet.
There's a picture and manual available for download via this link:
https://github.com/modmaker/BeBoPr-plus-plus.

-- Bas

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Re: [beagleboard] AIN max voltage exceeded

[Gerald Coley]

Now that is true as well.

Gerald



On Thu, Apr 10, 2014 at 8:08 AM, David Lambert  wrote:

>  On 04/10/2014 07:57 AM, Gerald Coley wrote:
>
> Does it go to 220V? I mean if it is to be found people will try
> to connect it!
>
> LOL - nor to mention xxKv of static, etc!
>
>
>  Gerald
>
>
> On Thu, Apr 10, 2014 at 1:38 AM, Bas Laarhoven  wrote:
>
>>   On 10-4-2014 2:03, Padawan wrote:
>>
>> Sounds like someone needs to make a "surge protector" cape for people
>> like us... I'd buy that. My current Zener diode monstrosity design isn't
>> particularly effective.
>> --
>> 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.
>>
>>
>>  With the current shortage and future price increase, it may be worth
>> investing in BeagleBone protection again ;-)
>> This 'surge protector' cape you mention already exists!
>>
>> Shameless plug:
>>
>> Have a look at the BeBoPr series of boards and the current BeBoPr++. The
>> analogue inputs are designed to handle shorts against a 12 Volt supply.
>> Besides the over voltage protection you also get an extra (better) ADC,
>> protected digital inputs, both TTL and high current outputs, a 12-24 Volt
>> to 5 Volt step down converter, I2C level shifter, etc. Oh, and you can also
>> use it to control some stepper motors, e.g. to build a 3D printer, or a
>> laser cutter, or a router, or something I haven't thought of yet. There's a
>> picture and manual available for download via this link:
>> https://github.com/modmaker/BeBoPr-plus-plus.
>>
>> -- Bas
>>
>>   --
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>> ---
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>
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[beagleboard] Re: Finally : did someone succeeded to have a Qt GUI app ?

[halherta]

David, 
 Put "export DISPLAY=:0.0" in the /etc/profile, reboot and start X11 i.e 
lightdm/or LXDE. then try running the qt app binary again. I will retry 
this again myself and report back. 

Hussam

On Tuesday, April 8, 2014 11:26:34 AM UTC-4, dlewin555 wrote:
>
> Hi,
>
> Is there finally someone who succeeded to have a GUI compiled with Qt 
> (from Debian for example ) ?
>
> I've tested many things, and they either rely on Angstrom (which I'd like 
> to avoid) or don't work at all (Timesys included)
>
> So I'm looking for a successful try ...
>

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Re: [beagleboard] AIN max voltage exceeded

[Bas Laarhoven]

:D

Quoting my original message "The analogue inputs are designed to handle 
shorts against a 12 Volt supply", that doesn't say 220V does it?


And IIRC single phase in the US is only 110-120V :b

-- Bas

On 10-4-2014 15:18, Gerald Coley wrote:

Now that is true as well.

Gerald



On Thu, Apr 10, 2014 at 8:08 AM, David Lambert > wrote:


On 04/10/2014 07:57 AM, Gerald Coley wrote:

Does it go to 220V? I mean if it is to be found people will try
to connect it!

LOL - nor to mention xxKv of static, etc!



Gerald


On Thu, Apr 10, 2014 at 1:38 AM, Bas Laarhoven mailto:s...@xs4all.nl>> wrote:

On 10-4-2014 2:03, Padawan wrote:

Sounds like someone needs to make a "surge protector" cape
for people like us... I'd buy that. My current Zener diode
monstrosity design isn't particularly effective.
-- 
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With the current shortage and future price increase, it may
be worth investing in BeagleBone protection again ;-)
This 'surge protector' cape you mention already exists!

Shameless plug:

Have a look at the BeBoPr series of boards and the current
BeBoPr++. The analogue inputs are designed to handle shorts
against a 12 Volt supply. Besides the over voltage protection
you also get an extra (better) ADC, protected digital inputs,
both TTL and high current outputs, a 12-24 Volt to 5 Volt
step down converter, I2C level shifter, etc. Oh, and you can
also use it to control some stepper motors, e.g. to build a
3D printer, or a laser cutter, or a router, or something I
haven't thought of yet. There's a picture and manual
available for download via this link:
https://github.com/modmaker/BeBoPr-plus-plus.

-- Bas

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Re: [beagleboard] AIN max voltage exceeded

[Gerald Coley]

I was thinking more internationally! But, I could have said just read
the documentation, like the System Reference Manual. But I have given up on
that. In fact, i am considering not doing one on the next board. It is a
lot of work.

Gerald



On Thu, Apr 10, 2014 at 8:30 AM, Bas Laarhoven  wrote:

>
> :D
>
> Quoting my original message "The analogue inputs are designed to handle
> shorts against a 12 Volt supply", that doesn't say 220V does it?
>
> And IIRC single phase in the US is only 110-120V :b
>
> -- Bas
>
>
> On 10-4-2014 15:18, Gerald Coley wrote:
>
> Now that is true as well.
>
>  Gerald
>
>
>
> On Thu, Apr 10, 2014 at 8:08 AM, David Lambert  wrote:
>
>>  On 04/10/2014 07:57 AM, Gerald Coley wrote:
>>
>> Does it go to 220V? I mean if it is to be found people will try
>> to connect it!
>>
>>  LOL - nor to mention xxKv of static, etc!
>>
>>
>>  Gerald
>>
>>
>> On Thu, Apr 10, 2014 at 1:38 AM, Bas Laarhoven  wrote:
>>
>>>   On 10-4-2014 2:03, Padawan wrote:
>>>
>>> Sounds like someone needs to make a "surge protector" cape for people
>>> like us... I'd buy that. My current Zener diode monstrosity design isn't
>>> particularly effective.
>>> --
>>> 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.
>>>
>>>
>>>  With the current shortage and future price increase, it may be worth
>>> investing in BeagleBone protection again ;-)
>>> This 'surge protector' cape you mention already exists!
>>>
>>> Shameless plug:
>>>
>>> Have a look at the BeBoPr series of boards and the current BeBoPr++. The
>>> analogue inputs are designed to handle shorts against a 12 Volt supply.
>>> Besides the over voltage protection you also get an extra (better) ADC,
>>> protected digital inputs, both TTL and high current outputs, a 12-24 Volt
>>> to 5 Volt step down converter, I2C level shifter, etc. Oh, and you can also
>>> use it to control some stepper motors, e.g. to build a 3D printer, or a
>>> laser cutter, or a router, or something I haven't thought of yet. There's a
>>> picture and manual available for download via this link:
>>> https://github.com/modmaker/BeBoPr-plus-plus.
>>>
>>> -- Bas
>>>
>>>   --
>>> For more options, visit http://beagleboard.org/discuss
>>> ---
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>>
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Re: [beagleboard] Re: Problem in dynamically loading libraries (QT5 on AM335x board)

[Thiago Marques]

Hi Morix,
   I recompiled QT5 no ICU and it works. I need the ICU, so I recompile the
ICU. If I compile for static library works, but if I compile to static
library does not work, still the same error that you mentioned. I'm cross
compiling this way:

$ export CC=arm-linux-gnueabihf-gcc
$ export CXX=arm-linux-gnueabihf-g++
$ export AR=arm-linux-gnueabihf-ar
$ export RANLIB=arm-linux-gnueabihf-ranlib
$ export CFLAGS="-pipe -O2 -march=armv7-a -mtune=cortex-a8 -mfpu=neon
-mfloat-abi=hard"
$ export CPPFLAGS=$CFLAGS

$ export ICU_FLAGS="-I/mnt/lhome/am335x/libs_apps/libicu/icu/source/common/
-I/mnt/lhome/am335x/libs_apps/libicu/icu/source/tools/tzcode/"

$ export
LDFLAGS="-Wl,-rpath-link=/usr/local/ti-sdk-am335x-evm/linux-devkit/filesystem/lib
-L/usr/local/ti-sdk-am335x-evm/linux-devkit/filesystem/lib
-Wl,-rpath-link=/usr/local/ti-sdk-am335x-evm/linux-devkit/filesystem/usr/lib
-L/usr/local/ti-sdk-am335x-evm/linux-devkit/filesystem/usr/lib"

$ sh /mnt/lhome/am335x/libs_apps/libicu/icu/source/configure
--host=arm-linux-gnueabihf --prefix=/opt/icu --disable-samples
--disable-tests --with-cross-build=/mnt/lhome/am335x/libs_apps/libicu/icu_pc

$ make -j 4
$ make install

I see your post but don't work. Did you only recompile ICU arm?



2014-04-08 5:33 GMT-03:00 Morix Dev :

> Hello,
> I found the solution: the problem is due to ICU which cannot (don't know
> why) dynamically load its data at runtime from libicudata.so.52.
>
> I recompiled ICU for packaging data in standard file (instead of shared
> library) and now it works fine!
>
> You can review the full story 
> hereand
> here
> .
>
> /Morix
>
>
> Il giorno giovedì 3 aprile 2014 15:28:37 UTC+2, Morix Dev ha scritto:
>
>> Thiago,
>> just to narrow down the problem... can you tell me how you cross-compiled
>> QT? I mean can you tell me which flags have you put on your "./configure"
>> command line and what is the content of your "qtbase/mkspecs/> architecture>/qmake.conf"?
>>
>> Thanks,
>> /Morix
>>
>> Il giorno giovedì 3 aprile 2014 15:17:08 UTC+2, Morix Dev ha scritto:
>>>
>>> Hi Thiago,
>>> I haven't found a solution yet... I am still working on it... now I am
>>> suspecting that is something related to compiler optimization flags when
>>> compiling QT...
>>>
>>> I'll let you know if I find a useful solution... but hey: please do not
>>> hesitate to write here if you found a valid solution too! :)
>>>
>>> Thanks & regards.
>>> /Morix
>>>
>>>
>>> Il giorno giovedì 3 aprile 2014 15:00:35 UTC+2, Thiago Marques ha
>>> scritto:

 Hi Morix Dev,

I had a similar problem. Do you find out what was causing this
 error? Qt AM335x application exits with code 1 at startup.
 Tḧanks,

 Best regards ,


 Em quarta-feira, 2 de abril de 2014 11h05min09s UTC-3, Morix Dev
 escreveu:
>
> Hello everybody,
> I've cross compiled QT5.2.1 with ICU support for TI AM335x (not
> exactly a Beagleboard but much similar).
>
> Now I am doing some tests, but I am not able to execute any program
> built against the cross-compiled QT. Any program (even the simples
> console-based "Hello, world" exits with code 1 just at the startup and 
> does
> not produce any output).
>
> If a perform a "strace" of my program I have the output that you can
> read at the following address: https://onedrive.live.com/
> redir?resid=DCB987547568DE13!107&authkey=!ANC7D8Zh7ZfGz4w&
> ithint=file,.log
>
> The problem seems to be something wrong just after loading
> libicudata.so.52 library... exit_group(1) is being called somewhere... but
> who is calling it? How can I discover that?
>
> Can somebody help me? Thanks for your support!
>
  --
> For more options, visit http://beagleboard.org/discuss
> ---
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*

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Re: [beagleboard] AIN max voltage exceeded

[Bas Laarhoven]

You only have to cut & paste some hard to understand text after a proper 
looking cover page. The text isn't read anyway :) But it's fun if you 
can answer 'RTFM!'. And if you don't have a manual all hell breaks loose.


-- Bas


On 10-4-2014 15:41, Gerald Coley wrote:
I was thinking more internationally! But, I could have said just read 
the documentation, like the System Reference Manual. But I have given 
up on that. In fact, i am considering not doing one on the next board. 
It is a lot of work.


Gerald



On Thu, Apr 10, 2014 at 8:30 AM, Bas Laarhoven > wrote:



:D

Quoting my original message "The analogue inputs are designed to
handle shorts against a 12 Volt supply", that doesn't say 220V
does it?

And IIRC single phase in the US is only 110-120V :b

-- Bas


On 10-4-2014 15:18, Gerald Coley wrote:

Now that is true as well.

Gerald



On Thu, Apr 10, 2014 at 8:08 AM, David Lambert mailto:d...@lambsys.com>> wrote:

On 04/10/2014 07:57 AM, Gerald Coley wrote:

Does it go to 220V? I mean if it is to be found people will
try to connect it!

LOL - nor to mention xxKv of static, etc!



Gerald


On Thu, Apr 10, 2014 at 1:38 AM, Bas Laarhoven
mailto:s...@xs4all.nl>> wrote:

On 10-4-2014 2:03, Padawan wrote:

Sounds like someone needs to make a "surge protector"
cape for people like us... I'd buy that. My current
Zener diode monstrosity design isn't particularly
effective.
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With the current shortage and future price increase, it
may be worth investing in BeagleBone protection again ;-)
This 'surge protector' cape you mention already exists!

Shameless plug:

Have a look at the BeBoPr series of boards and the
current BeBoPr++. The analogue inputs are designed to
handle shorts against a 12 Volt supply. Besides the over
voltage protection you also get an extra (better) ADC,
protected digital inputs, both TTL and high current
outputs, a 12-24 Volt to 5 Volt step down converter, I2C
level shifter, etc. Oh, and you can also use it to
control some stepper motors, e.g. to build a 3D printer,
or a laser cutter, or a router, or something I haven't
thought of yet. There's a picture and manual available
for download via this link:
https://github.com/modmaker/BeBoPr-plus-plus.

-- Bas

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[beagleboard] Re: Help with Cross Compile of first HelloWorld App

[halherta]

RV9Flyer,
the arm-none-eabi-gcc cross-compiler is in my humble understanding intended 
for use with' bare-metal' 'non-mmu' 'sans Linux' ARM 
microcontrollers..specifically the Cortex-R/Cortex-M cores.

You need to use a different toolchain for Linux-based, MMU-based Cortex-A 
setups such as that of the beaglebone black. typically the cross-compiler 
toolchain that you should use should be called  arm-linux-gnueabiXX-gcc. 
I'm not sure where you can get such a toolchain for angstromyou could 
probably build it with openembedded/yocto.

Hussam


On Wednesday, April 9, 2014 7:20:47 PM UTC-4, RV9Flyer wrote:
>
> I'm a newbie and this is my first post.
>
> I just got started with building my first HelloWorld style app to test the 
> cross-compile capabilities of Eclipse/CDT, The app compiles successfully 
> and generate the expected HelloBeagle.elf executable. However, when I 
> transfer it to my beagle and attempt to run, I get an "Illegal instruction" 
> error. 
>
> I've watched every video I could find (Thanks Derek Malloy) and I still 
> can't find the reason for the error. Obviously it's not generating the 
> right code base, but the build output does show that it it aimed for the 
> cortex-a8 processor which I believe is correct for the beaglebone black.  
>
> I would appreciate any suggestions or ideas!!
>
> Thanks
>
> *Here is my environment info and build output:*
>
> *Build Environment:*
> Windows 7
> Eclipse Kepler SR2
> CDT 
> GNU ARM Eclipse Plug-in
> MinGW
>
> *Beaglebone Black:* (Angstrom Distro)
> Linux beaglebone 3.8.13 #1 SMP Wed Sep 4 09:09:32 CEST 2013 armv7l 
> GNU/Linux
>
> *Build output:*
> 16:11:12  Build of configuration Debug for project HelloBeagle 
> make pre-build main-build 
> arm-none-eabi-gcc --version
> arm-none-eabi-gcc.exe (GNU Tools for ARM Embedded Processors) 4.8.3 
> 20140228 (release) [ARM/embedded-4_8-branch revision 208322]
> Copyright (C) 2013 Free Software Foundation, Inc.
> This is free software; see the source for copying conditions.  There is NO
> warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
>
>  
> Building file: ../src/HelloBeagle.cpp
> Invoking: Cross ARM C++ Compiler
> arm-none-eabi-g++ -mcpu=cortex-a8 -O0 -fmessage-length=0 -fsigned-char 
> -ffunction-sections -fdata-sections -Wall  -g3 -MMD -MP 
> -MF"src/HelloBeagle.d" -MT"src/HelloBeagle.d" -c -o "src/HelloBeagle.o" 
> "../src/HelloBeagle.cpp"
> Finished building: ../src/HelloBeagle.cpp
>  
> Building target: HelloBeagle.elf
> Invoking: Cross ARM C++ Linker
> arm-none-eabi-g++ -mcpu=cortex-a8 -O0 -fmessage-length=0 -fsigned-char 
> -ffunction-sections -fdata-sections -Wall  -g3 -Xlinker --gc-sections 
> -Wl,-Map,"HelloBeagle.map" --specs=rdimon.specs -Wl,--start-group -lgcc -lc 
> -lc -lm -lrdimon -Wl,--end-group -o "HelloBeagle.elf"  ./src/HelloBeagle.o 
>   
> Finished building target: HelloBeagle.elf
>  
> Invoking: Cross ARM GNU Create Flash Image
> arm-none-eabi-objcopy -O ihex "HelloBeagle.elf"  "HelloBeagle.hex"
> Finished building: HelloBeagle.hex
>  
> Invoking: Cross ARM GNU Print Size
> arm-none-eabi-size --format=berkeley "HelloBeagle.elf"
>text   databssdechex filename
>  211304   2732   7776 221812  36274 HelloBeagle.elf
> Finished building: HelloBeagle.siz
>  
>
> 16:11:28 Build Finished (took 16s.236ms)
>
>
>

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Re: [beagleboard] Re: Problem in dynamically loading libraries (QT5 on AM335x board)

[Morix Dev]

Hello Thiago,
yes I just recompiled only ICU for ARM specifying the option "
--with-data-packaging=files" on configure command line... have you tried to 
do that?

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Re: [beagleboard] Re: Problem in dynamically loading libraries (QT5 on AM335x board)

[Thiago Marques]

Thanks. It works fine.


2014-04-10 11:13 GMT-03:00 Morix Dev :

> Hello Thiago,
> yes I just recompiled only ICU for ARM specifying the option "
> --with-data-packaging=files" on configure command line... have you tried
> to do that?
>
> --
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*

*phone : +55 (61) 8274-9140 *
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[beagleboard] Re: Help with Cross Compile of first HelloWorld App

[Piotr Murawski]

Just compile the kernel following the commonly known instructions for BBB. 
On of the step, will download appropriate gcc toolchain, it will be named 
like "gcc-linaro-arm-linux-gnueabihf-4.8-2013.10_linux/".
That's it.

Regards, 
Piotr. 

 
   


W dniu czwartek, 10 kwietnia 2014 01:20:47 UTC+2 użytkownik RV9Flyer 
napisał:
>
> I'm a newbie and this is my first post.
>
> I just got started with building my first HelloWorld style app to test the 
> cross-compile capabilities of Eclipse/CDT, The app compiles successfully 
> and generate the expected HelloBeagle.elf executable. However, when I 
> transfer it to my beagle and attempt to run, I get an "Illegal instruction" 
> error. 
>
> I've watched every video I could find (Thanks Derek Malloy) and I still 
> can't find the reason for the error. Obviously it's not generating the 
> right code base, but the build output does show that it it aimed for the 
> cortex-a8 processor which I believe is correct for the beaglebone black.  
>
> I would appreciate any suggestions or ideas!!
>
> Thanks
>
> *Here is my environment info and build output:*
>
> *Build Environment:*
> Windows 7
> Eclipse Kepler SR2
> CDT 
> GNU ARM Eclipse Plug-in
> MinGW
>
> *Beaglebone Black:* (Angstrom Distro)
> Linux beaglebone 3.8.13 #1 SMP Wed Sep 4 09:09:32 CEST 2013 armv7l 
> GNU/Linux
>
> *Build output:*
> 16:11:12  Build of configuration Debug for project HelloBeagle 
> make pre-build main-build 
> arm-none-eabi-gcc --version
> arm-none-eabi-gcc.exe (GNU Tools for ARM Embedded Processors) 4.8.3 
> 20140228 (release) [ARM/embedded-4_8-branch revision 208322]
> Copyright (C) 2013 Free Software Foundation, Inc.
> This is free software; see the source for copying conditions.  There is NO
> warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
>
>  
> Building file: ../src/HelloBeagle.cpp
> Invoking: Cross ARM C++ Compiler
> arm-none-eabi-g++ -mcpu=cortex-a8 -O0 -fmessage-length=0 -fsigned-char 
> -ffunction-sections -fdata-sections -Wall  -g3 -MMD -MP 
> -MF"src/HelloBeagle.d" -MT"src/HelloBeagle.d" -c -o "src/HelloBeagle.o" 
> "../src/HelloBeagle.cpp"
> Finished building: ../src/HelloBeagle.cpp
>  
> Building target: HelloBeagle.elf
> Invoking: Cross ARM C++ Linker
> arm-none-eabi-g++ -mcpu=cortex-a8 -O0 -fmessage-length=0 -fsigned-char 
> -ffunction-sections -fdata-sections -Wall  -g3 -Xlinker --gc-sections 
> -Wl,-Map,"HelloBeagle.map" --specs=rdimon.specs -Wl,--start-group -lgcc -lc 
> -lc -lm -lrdimon -Wl,--end-group -o "HelloBeagle.elf"  ./src/HelloBeagle.o 
>   
> Finished building target: HelloBeagle.elf
>  
> Invoking: Cross ARM GNU Create Flash Image
> arm-none-eabi-objcopy -O ihex "HelloBeagle.elf"  "HelloBeagle.hex"
> Finished building: HelloBeagle.hex
>  
> Invoking: Cross ARM GNU Print Size
> arm-none-eabi-size --format=berkeley "HelloBeagle.elf"
>text   databssdechex filename
>  211304   2732   7776 221812  36274 HelloBeagle.elf
> Finished building: HelloBeagle.siz
>  
>
> 16:11:28 Build Finished (took 16s.236ms)
>
>
>

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Re: [beagleboard] AIN max voltage exceeded

[David Funk]

The best protection is experience!  If you're not researching all the
documentation, then you get to buy new ones until you figure it out. Having
said that, I will now plead the 5th!   ;-)



-david



On Thu, Apr 10, 2014 at 1:38 AM, Bas Laarhoven  wrote:

>  On 10-4-2014 2:03, Padawan wrote:
>
> Sounds like someone needs to make a "surge protector" cape for people like
> us... I'd buy that. My current Zener diode monstrosity design isn't
> particularly effective.
> --
> 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.
>
>
> With the current shortage and future price increase, it may be worth
> investing in BeagleBone protection again ;-)
> This 'surge protector' cape you mention already exists!
>
> Shameless plug:
>
> Have a look at the BeBoPr series of boards and the current BeBoPr++. The
> analogue inputs are designed to handle shorts against a 12 Volt supply.
> Besides the over voltage protection you also get an extra (better) ADC,
> protected digital inputs, both TTL and high current outputs, a 12-24 Volt
> to 5 Volt step down converter, I2C level shifter, etc. Oh, and you can also
> use it to control some stepper motors, e.g. to build a 3D printer, or a
> laser cutter, or a router, or something I haven't thought of yet. There's a
> picture and manual available for download via this link:
> https://github.com/modmaker/BeBoPr-plus-plus.
>
> -- Bas
>

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Re: [beagleboard] Cross compiled binary won't run

[bryanshih9]

I also faced this issue. On my beaglebone with Ubuntu, the crosscompiled 
binary file can't run. It shows: No such file or directory.
Finally I found a way to solve this issue. The cause is some runtime 
library can't be found in beaglebone.
Check which library lack: Use ldd command

ubuntu@arm:~$ ldd S1
libstdc++.so.6 => /usr/lib/arm-linux-gnueabihf/libstdc++.so.6 
(0xb6e8d000)
libgcc_s.so.1 => /lib/arm-linux-gnueabihf/libgcc_s.so.1 (0xb6e6a000)
libc.so.6 => /lib/arm-linux-gnueabihf/libc.so.6 (0xb6d86000)
libm.so.6 => /lib/arm-linux-gnueabihf/libm.so.6 (0xb6d1b000)
/lib/ld-linux-armhf.so.3 (0xb6f44000)

I check the library, libc.so.6 not found. After search it in ubuntu 
package, the package name is: 
 libc6-armhf-cross 


Install the package, the issue is solved.


> 2013/10/1 Jesper We >
>
>> OK, I researched this a bit more... It seems the eabihf ABI is newer, and 
>> incompatible with eabi.
>> There has been some recent work in making busybox recognize this and give 
>> better error messages: 
>> http://buildroot-busybox.2317881.n4.nabble.com/PATCH-toolchain-check-ARM-EABI-vs-EABIhf-for-external-toolchains-td48596.html
>>
>> Couldn't find any pre-built gcc 4.8 toolchains :-(
>>
>> On the other hand, it turns out my code which caused gcc 4.7 to chrash 
>> was bad, and with 4.8 I got a decent error message instead of a crash. 
>> Which made it possible to fix the code, so now I don't need 4.8 anymore :-D
>>  
>> -- 
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Re: [beagleboard] Re: What went wrong

[David Funk]

uh, no . . .  both may be hooked up without issue.



-david




On Wed, Apr 9, 2014 at 3:47 PM, Gunjan Gupta  wrote:

> Hi,
>
> You have used both the 5V power source and the mini usb cable. I guess
> thats why your board got fried up. Use only one of them for the next time.
>
> Regards
> viraniac
>
>
> On Tuesday, April 8, 2014 2:36:29 AM UTC+5:30, A M Kent wrote:
>>
>> I've recently purchased the BBB and over the weekend I went through
>> setting it up. I have to say I'm thoroughly impressed with the setup and
>> the size. I followed the supplied instructions of connecting the device to
>> my computer using the USB cable connecting it from the micro USB port to a
>> port on my laptop, installing the necessary files to communicate with the
>> device. My
>> issue occurred when I connected the BB in the following manner.
>>
>> 1. From micro HDMI port to HDMI port on monitor.
>> 2. Connected the 5V power source into the BB
>> 3. Connected a USB cable from the USB jack on the BB to my 4 port powered
>> USB hub.
>> 4. Connected the micro USB cable into the 4 port hub.
>> 5. Inserted wireless keybrd/mouse dongle into the 4 port hub.
>>
>> When I applied power to the BB within 1 minute of doing so I hear a faint
>> high pitch tone and shortly thereafter I see a spark coming from the board.
>> Based on the setup described what could have gone wrong?
>>
>

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Re: [beagleboard] Re: Finally : did someone succeeded to have a Qt GUI app ?

[David Lewin]

Hussam,
export DISPLAY in the profile didn't changed the behaviour.I've tried with
and without lxds started

What I wonder the most is that the Qt app shouldn't need the X when
starting with "-qws" option, or "-plaform linuxfb".





2014-04-10 15:21 GMT+02:00 :

>
> David,
>  Put "export DISPLAY=:0.0" in the /etc/profile, reboot and start X11 i.e
> lightdm/or LXDE. then try running the qt app binary again. I will retry
> this again myself and report back.
>
> Hussam
>
>
> On Tuesday, April 8, 2014 11:26:34 AM UTC-4, dlewin555 wrote:
>>
>> Hi,
>>
>> Is there finally someone who succeeded to have a GUI compiled with Qt
>> (from Debian for example ) ?
>>
>> I've tested many things, and they either rely on Angstrom (which I'd like
>> to avoid) or don't work at all (Timesys included)
>>
>> So I'm looking for a successful try ...
>>
>  --
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[beagleboard] route added default gw on Beaglebone black and can no longer ssh! HELP

[laraven]

So I was trying to get internet on the beaglebone black by sharing it 
through the usb port. However, in the steps to obtain it, I used the 
command: 

route add default gw 192.168.7.1

and later closed the connection to the beaglebone black. Now when I attempt 
to ssh back into it using the normal command

ssh root@192.168.7.2

I dont get a prompt for the password and it just hangs. I have so much work 
invested into the beaglebone I am too reluctant to reset it or anything of 
the like. If anyone has any idea on how to fix it, brute force a 
connection, or even get the data off the beaglebone without ssh'ing into it 
I would greatly appreciate it!

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Re: [beagleboard] Re: Finally : did someone succeeded to have a Qt GUI app ?

[Hussam Hertani]

David I'm currently running a headless setup on my BBB...I have xorg and
libqt4-dev packages installed (qt-sdk package encompasses libqt4-dev,
qtcreator and some additional packages)

   - I SSHed into the BBB with X11 Forwarding: ssh -X debian@192.168.0.102
   - Made a directory containing a sample application
   - built it using "qmake -project", "qmake" & "make"
   - and ran the binary successfully!

This seems to work with SSH+X11 forwardingI will try it with the latest
Debian image +LXDE+Nodejs from http://beagleboard.org/latest-images here
and report back.

I'm attaching a compressed folder containing the example code and a pic of
the GUI UI as displayed over SSH+X11. I'm running Debian Jessie on my PC
and the latest Debian demo-image (headless)
http://elinux.org/BeagleBoardDebian on my BBB.


Hussam



On Thu, Apr 10, 2014 at 9:21 AM,  wrote:

>
> David,
>  Put "export DISPLAY=:0.0" in the /etc/profile, reboot and start X11 i.e
> lightdm/or LXDE. then try running the qt app binary again. I will retry
> this again myself and report back.
>
> Hussam
>
>
> On Tuesday, April 8, 2014 11:26:34 AM UTC-4, dlewin555 wrote:
>>
>> Hi,
>>
>> Is there finally someone who succeeded to have a GUI compiled with Qt
>> (from Debian for example ) ?
>>
>> I've tested many things, and they either rely on Angstrom (which I'd like
>> to avoid) or don't work at all (Timesys included)
>>
>> So I'm looking for a successful try ...
>>
>  --
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qttest.tar.gz
Description: GNU Zip compressed data
<>

Re: [beagleboard] route added default gw on Beaglebone black and can no longer ssh! HELP

[Charles Steinkuehler]

On 4/10/2014 10:57 AM, lara...@ucdavis.edu wrote:
> So I was trying to get internet on the beaglebone black by sharing it 
> through the usb port. However, in the steps to obtain it, I used the 
> command: 
> 
> route add default gw 192.168.7.1
> 
> and later closed the connection to the beaglebone black. Now when I attempt 
> to ssh back into it using the normal command
> 
> ssh root@192.168.7.2
> 
> I dont get a prompt for the password and it just hangs. I have so much work 
> invested into the beaglebone I am too reluctant to reset it or anything of 
> the like. If anyone has any idea on how to fix it, brute force a 
> connection, or even get the data off the beaglebone without ssh'ing into it 
> I would greatly appreciate it!

The easy way to get a guaranteed connection is to use a serial cable.

You might also be able to get a console via HDMI and a USB keyboard, but
in my experience these don't play nice if not connected at boot.

You can also hook up an actual Ethernet cable.  The 'Bone should get an
IP address and be accessible via ssh from the same network, and dhcp
ought to update the default route as well.  Connecting an Ethernet cable
should work reliably even if one wasn't connected at boot.

If you _have_ to get in via usb, it may be possible.  Since it's a USB
connection, I'm not familiar with the setup details (I use the real
Ethernet port).  Start by verifying your computer side IP address for
the BeagleBone USB connection, and try to ping the BeagleBone.  If you
are lucky, the problem is just on your client side.  If you get to where
you can ping, it should be possible to get an ssh session.

Unplugging and re-connecting the USB link might fix things as well, but
I'd try this as a last option if you need anything from the current
state of the 'Bone.  I don't use the USB link and don't know how it
behaves is you disconnect and reconnect it.

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

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Re: [beagleboard] Re: Finally : did someone succeeded to have a Qt GUI app ?

[David Lewin]

That a good example.
I've tried with the provided executable and build it myself also from the
board :
both gave the same results, even with ssh+X
BUT, what I see is that you use a different image as me: I ve used the git
repo and did a:

beagleboard.org_image.sh http://beagleboard.org/source


to use the setup_sdcard.sh as explained.

Maybe this is the problem root cause


2014-04-10 18:00 GMT+02:00 Hussam Hertani :

> David I'm currently running a headless setup on my BBB...I have xorg and
> libqt4-dev packages installed (qt-sdk package encompasses libqt4-dev,
> qtcreator and some additional packages)
>
>- I SSHed into the BBB with X11 Forwarding: ssh -X debian@192.168.0.102
>- Made a directory containing a sample application
>- built it using "qmake -project", "qmake" & "make"
>- and ran the binary successfully!
>
> This seems to work with SSH+X11 forwardingI will try it with the
> latest Debian image +LXDE+Nodejs from 
> http://beagleboard.org/latest-imageshere and report back.
>
> I'm attaching a compressed folder containing the example code and a pic of
> the GUI UI as displayed over SSH+X11. I'm running Debian Jessie on my PC
> and the latest Debian demo-image (headless)
> http://elinux.org/BeagleBoardDebian on my BBB.
>
>
> Hussam
>
>
>
> On Thu, Apr 10, 2014 at 9:21 AM,  wrote:
>
>>
>> David,
>>  Put "export DISPLAY=:0.0" in the /etc/profile, reboot and start X11 i.e
>> lightdm/or LXDE. then try running the qt app binary again. I will retry
>> this again myself and report back.
>>
>> Hussam
>>
>>
>> On Tuesday, April 8, 2014 11:26:34 AM UTC-4, dlewin555 wrote:
>>>
>>> Hi,
>>>
>>> Is there finally someone who succeeded to have a GUI compiled with Qt
>>> (from Debian for example ) ?
>>>
>>> I've tested many things, and they either rely on Angstrom (which I'd
>>> like to avoid) or don't work at all (Timesys included)
>>>
>>> So I'm looking for a successful try ...
>>>
>>  --
>> For more options, visit http://beagleboard.org/discuss
>> ---
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>> Google Groups "BeagleBoard" group.
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>> https://groups.google.com/d/topic/beagleboard/p9423s6B4lg/unsubscribe.
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>> beagleboard+unsubscr...@googlegroups.com.
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>>
>
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Re: [beagleboard] Re: Help Needed : Custom built debian image

[Gunjan Gupta]

Hi Robert,

One thing that I forgot to mention was that I am interacting with BBB over 
ssh. I guess its taking LANG from my host machine. If I check LANG from 
lxterminal, it comes as en_US and everything works fine.

Can we force it to use en_US on ssh also?

Regards
viraniac

On Wednesday, April 9, 2014 8:37:33 PM UTC+5:30, RobertCNelson wrote:
>
> On Wed, Apr 9, 2014 at 9:27 AM,  > wrote: 
> > Hi Robert, 
> > 
> > As already mentioned in the previous comment, I am not setting lang 
> myself. 
> > Its automatically coming as en_IN 
>
> Weird, i should setup another vm, with a different locale and see if i 
> can fix that.. 
>
> > If i disable the line that is removing extra locales, how much more 
> space 
> > will be required. 
>
> I'm not really sure anymore, been doing that for awhile.. So here's a 
> quick disable option: 
>
>
> https://github.com/beagleboard/image-builder/blob/master/beagleboard.org_image.sh#L418
>  
>
> rfs_strip_locales="${rfs_strip_locales:-enable}" 
>
> Just comment it out to disable.. 
>
> Regards, 
>
> -- 
> Robert Nelson 
> http://www.rcn-ee.com/ 
>

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Re: [beagleboard] BBB GLIBC6 version issue

[John Syn]

From:  A P 
Reply-To:  
Date:  Thursday, April 10, 2014 at 5:37 AM
To:  
Subject:  [beagleboard] BBB GLIBC6 version issue

> I hope someone out there can help.
> 
> I have a BBB just updated to the latest firmware. My version on the BBB of
> LIBC6 is v2.16. I am compiling a project in Eclipse which if I include the
> line
> 
> clkerr=clock_gettime(CLOCK_REALTIME,&UDPstartTime);  //CLOCK_MONOTONIC
> CLOCK_REALTIM _POSIX_MONOTONIC_CLOCK
> 
> Builds successfully. When however I launch via the GDB debugger I get the
> error :
> 
> Remote debugging from host 192.168.1.8
> /home/root/test/test: /lib/libc.so.6: version `GLIBC_2.17' not found (required
> by /home/root/test/test)
> 
> Child exited with status 1
> GDBserver exiting
> 
> 
> If I comment out the clock_gettime function the program runs and I can debug.
> 
> I cannot find a later version of LIBC6 (2.17 or greater) for Angstrom
> distribution. Or is there another solution or am I barking up the wrong tree.
> 
> I am running Eclipse from a Windows 7 PC. The Cross compiler is
> gcc-linaro-arm-linux-gnueabihf-4.8-2013.09_win32
run ldd on your app to see the shared library dependency.

Regards,
John
> 
> 
> 
> 
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[beagleboard] Eclipse doesn't detect my Android running on BeagleBone Black

[Kim Ilchul]

Hello,

I'm using micro SD card to boot Android and running it on BBB. It works 
well but I cannot find my BBB as running Android device on my laptop. I 
found some solution to eclipse can detect my BBB as running Android device 
but doesn't works for me. 

My Android is 4.2.2 and I installed API17, enable Debug mode from 
development setting of Android.
I'm using Window7 with USB connection between BBB. 

I really appreciate any helps. Thanks!

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[beagleboard] Compatible webcams beaglebone black

[Dani Ruiz]

Hi everyone,

Anyone know if there is a list of the compatible webcam for the beaglebone 
black?

Thanks.

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Re: [beagleboard] Re: What went wrong

[Anthony Kent]

That's what I think David. I've got RMA# and will send it in. Hopefully
I'll get a replacement.

Anthony Kent
MCSE, MCITP-EA
817.899.4067


On Thu, Apr 10, 2014 at 10:09 AM, David Funk  wrote:

>  [image: Boxbe]  This message is eligible
> for Automatic Cleanup! (dwf...@gmail.com) Add cleanup 
> rule|
>  More
> info
>
> uh, no . . .  both may be hooked up without issue.
>
>
>
> -david
>
>
>
>
> On Wed, Apr 9, 2014 at 3:47 PM, Gunjan Gupta  wrote:
>
>> Hi,
>>
>> You have used both the 5V power source and the mini usb cable. I guess
>> thats why your board got fried up. Use only one of them for the next time.
>>
>> Regards
>> viraniac
>>
>>
>> On Tuesday, April 8, 2014 2:36:29 AM UTC+5:30, A M Kent wrote:
>>>
>>> I've recently purchased the BBB and over the weekend I went through
>>> setting it up. I have to say I'm thoroughly impressed with the setup and
>>> the size. I followed the supplied instructions of connecting the device to
>>> my computer using the USB cable connecting it from the micro USB port to a
>>> port on my laptop, installing the necessary files to communicate with the
>>> device. My
>>> issue occurred when I connected the BB in the following manner.
>>>
>>> 1. From micro HDMI port to HDMI port on monitor.
>>> 2. Connected the 5V power source into the BB
>>> 3. Connected a USB cable from the USB jack on the BB to my 4 port powered
>>> USB hub.
>>> 4. Connected the micro USB cable into the 4 port hub.
>>> 5. Inserted wireless keybrd/mouse dongle into the 4 port hub.
>>>
>>> When I applied power to the BB within 1 minute of doing so I hear a
>>> faint high pitch tone and shortly thereafter I see a spark coming from the
>>> board. Based on the setup described what could have gone wrong?
>>>
>>
>
>
>
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Re: [beagleboard] Re: Finally : did someone succeeded to have a Qt GUI app ?

[Hussam Hertani]

David,
If you are running an image with a Debian root filesystem this should work
no problems. I don't think that the QT4 built  in the Debian apt-get  armhf
repos was built with the -qws and -linuxfb options. As such it should only
work with X11. But I could be wrong as I can't quite confirm it.

I use the demo image available here..http://elinux.org/BeagleBoardDebian. I
always used it...never really bothered with angstrom even with the older
Beaglebone white. This image is headless and somewhat barebones. I also
really like the new official Debian release
http://beagleboard.org/latest-images. It comes with LXDE which is a very
good desktop environment for the BBB. andNodeJs..yuck!


On Thu, Apr 10, 2014 at 12:29 PM, David Lewin  wrote:

> That a good example.
> I've tried with the provided executable and build it myself also from the
> board :
> both gave the same results, even with ssh+X
> BUT, what I see is that you use a different image as me: I ve used the git
> repo and did a:
>
> beagleboard.org_image.sh http://beagleboard.org/source
>
>
> to use the setup_sdcard.sh as explained.
>
> Maybe this is the problem root cause
>
>
> 2014-04-10 18:00 GMT+02:00 Hussam Hertani :
>
> David I'm currently running a headless setup on my BBB...I have xorg and
>> libqt4-dev packages installed (qt-sdk package encompasses libqt4-dev,
>> qtcreator and some additional packages)
>>
>>- I SSHed into the BBB with X11 Forwarding: ssh -X
>>debian@192.168.0.102
>>- Made a directory containing a sample application
>>- built it using "qmake -project", "qmake" & "make"
>>- and ran the binary successfully!
>>
>> This seems to work with SSH+X11 forwardingI will try it with the
>> latest Debian image +LXDE+Nodejs from
>> http://beagleboard.org/latest-images here and report back.
>>
>> I'm attaching a compressed folder containing the example code and a pic
>> of the GUI UI as displayed over SSH+X11. I'm running Debian Jessie on my PC
>> and the latest Debian demo-image (headless)
>> http://elinux.org/BeagleBoardDebian on my BBB.
>>
>>
>> Hussam
>>
>>
>>
>> On Thu, Apr 10, 2014 at 9:21 AM,  wrote:
>>
>>>
>>> David,
>>>  Put "export DISPLAY=:0.0" in the /etc/profile, reboot and start X11 i.e
>>> lightdm/or LXDE. then try running the qt app binary again. I will retry
>>> this again myself and report back.
>>>
>>> Hussam
>>>
>>>
>>> On Tuesday, April 8, 2014 11:26:34 AM UTC-4, dlewin555 wrote:

 Hi,

 Is there finally someone who succeeded to have a GUI compiled with Qt
 (from Debian for example ) ?

 I've tested many things, and they either rely on Angstrom (which I'd
 like to avoid) or don't work at all (Timesys included)

 So I'm looking for a successful try ...

>>>  --
>>> For more options, visit http://beagleboard.org/discuss
>>> ---
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>>> Google Groups "BeagleBoard" group.
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>>>
>>
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Re: [beagleboard] Re: Help with Cross Compile of first HelloWorld App

[Hussam Hertani]

Piotr I know that the linaro toolchain will work with Debian/Ubuntu armhf
images
. Will it also work in the same way with angstrom?
...I thought that angstrom needed a different toolchain for cross-compiling
applications. But I could be wrong.


On Thu, Apr 10, 2014 at 10:28 AM, Piotr Murawski  wrote:

> Just compile the kernel following the commonly known instructions for BBB.
> On of the step, will download appropriate gcc toolchain, it will be named
> like "gcc-linaro-arm-linux-gnueabihf-4.8-2013.10_linux/".
> That's it.
>
> Regards,
> Piotr.
>
>
>
>
>
> W dniu czwartek, 10 kwietnia 2014 01:20:47 UTC+2 użytkownik RV9Flyer
> napisał:
>
>> I'm a newbie and this is my first post.
>>
>> I just got started with building my first HelloWorld style app to test
>> the cross-compile capabilities of Eclipse/CDT, The app compiles
>> successfully and generate the expected HelloBeagle.elf executable. However,
>> when I transfer it to my beagle and attempt to run, I get an "Illegal
>> instruction" error.
>>
>> I've watched every video I could find (Thanks Derek Malloy) and I still
>> can't find the reason for the error. Obviously it's not generating the
>> right code base, but the build output does show that it it aimed for the
>> cortex-a8 processor which I believe is correct for the beaglebone black.
>>
>> I would appreciate any suggestions or ideas!!
>>
>> Thanks
>>
>> *Here is my environment info and build output:*
>>
>> *Build Environment:*
>> Windows 7
>> Eclipse Kepler SR2
>> CDT
>> GNU ARM Eclipse Plug-in
>> MinGW
>>
>> *Beaglebone Black:* (Angstrom Distro)
>> Linux beaglebone 3.8.13 #1 SMP Wed Sep 4 09:09:32 CEST 2013 armv7l
>> GNU/Linux
>>
>> *Build output:*
>> 16:11:12  Build of configuration Debug for project HelloBeagle 
>> make pre-build main-build
>> arm-none-eabi-gcc --version
>> arm-none-eabi-gcc.exe (GNU Tools for ARM Embedded Processors) 4.8.3
>> 20140228 (release) [ARM/embedded-4_8-branch revision 208322]
>> Copyright (C) 2013 Free Software Foundation, Inc.
>> This is free software; see the source for copying conditions.  There is NO
>> warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR
>> PURPOSE.
>>
>>
>> Building file: ../src/HelloBeagle.cpp
>> Invoking: Cross ARM C++ Compiler
>> arm-none-eabi-g++ -mcpu=cortex-a8 -O0 -fmessage-length=0 -fsigned-char
>> -ffunction-sections -fdata-sections -Wall  -g3 -MMD -MP
>> -MF"src/HelloBeagle.d" -MT"src/HelloBeagle.d" -c -o "src/HelloBeagle.o"
>> "../src/HelloBeagle.cpp"
>> Finished building: ../src/HelloBeagle.cpp
>>
>> Building target: HelloBeagle.elf
>> Invoking: Cross ARM C++ Linker
>> arm-none-eabi-g++ -mcpu=cortex-a8 -O0 -fmessage-length=0 -fsigned-char
>> -ffunction-sections -fdata-sections -Wall  -g3 -Xlinker --gc-sections
>> -Wl,-Map,"HelloBeagle.map" --specs=rdimon.specs -Wl,--start-group -lgcc -lc
>> -lc -lm -lrdimon -Wl,--end-group -o "HelloBeagle.elf"  ./src/HelloBeagle.o
>>
>> Finished building target: HelloBeagle.elf
>>
>> Invoking: Cross ARM GNU Create Flash Image
>> arm-none-eabi-objcopy -O ihex "HelloBeagle.elf"  "HelloBeagle.hex"
>> Finished building: HelloBeagle.hex
>>
>> Invoking: Cross ARM GNU Print Size
>> arm-none-eabi-size --format=berkeley "HelloBeagle.elf"
>>text   databssdechex filename
>>  211304   2732   7776 221812  36274 HelloBeagle.elf
>> Finished building: HelloBeagle.siz
>>
>>
>> 16:11:28 Build Finished (took 16s.236ms)
>>
>>
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Re: [beagleboard] AIN max voltage exceeded

[Dennis Cote]

On Thursday, April 10, 2014 7:41:56 AM UTC-6, Gerald wrote:
>
> In fact, i am considering not doing one on the next board. It is a lot of 
> work.
>
>
Oh, please don't do that. I read the SRM and review the schematics 
regularly. It is extremely useful to have all that detailed documentation. 

Maybe there are some (possibly even a majority) that don't read the SRM, 
but for those of us who do it is very valuable. Please don't punish us for 
the crimes of others.

Thanks again for all the hard work.

Dennis Cote

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Re: [beagleboard] AIN max voltage exceeded

[Eric Fort]

The SRM has been extremely valuable and I do hope the availability on
future boards will continue.  For many digging through the TRM would be an
impossible task in trying to find the info covered by the SRM.  That said,
maybe some more community involvement in writing, editing, and upkeep is in
order.  Not sure how that would work but maybe something to be looked at
come time for the next beagleboard.

Eric


On Thu, Apr 10, 2014 at 6:41 AM, Gerald Coley wrote:

> I was thinking more internationally! But, I could have said just read
> the documentation, like the System Reference Manual. But I have given up on
> that. In fact, i am considering not doing one on the next board. It is a
> lot of work.
>
> Gerald
>
>
>
> On Thu, Apr 10, 2014 at 8:30 AM, Bas Laarhoven  wrote:
>
>>
>> :D
>>
>> Quoting my original message "The analogue inputs are designed to handle
>> shorts against a 12 Volt supply", that doesn't say 220V does it?
>>
>> And IIRC single phase in the US is only 110-120V :b
>>
>> -- Bas
>>
>>
>> On 10-4-2014 15:18, Gerald Coley wrote:
>>
>> Now that is true as well.
>>
>>  Gerald
>>
>>
>>
>> On Thu, Apr 10, 2014 at 8:08 AM, David Lambert  wrote:
>>
>>>  On 04/10/2014 07:57 AM, Gerald Coley wrote:
>>>
>>> Does it go to 220V? I mean if it is to be found people will try
>>> to connect it!
>>>
>>>  LOL - nor to mention xxKv of static, etc!
>>>
>>>
>>>  Gerald
>>>
>>>
>>> On Thu, Apr 10, 2014 at 1:38 AM, Bas Laarhoven  wrote:
>>>
   On 10-4-2014 2:03, Padawan wrote:

 Sounds like someone needs to make a "surge protector" cape for people
 like us... I'd buy that. My current Zener diode monstrosity design isn't
 particularly effective.
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  With the current shortage and future price increase, it may be worth
 investing in BeagleBone protection again ;-)
 This 'surge protector' cape you mention already exists!

 Shameless plug:

 Have a look at the BeBoPr series of boards and the current BeBoPr++.
 The analogue inputs are designed to handle shorts against a 12 Volt supply.
 Besides the over voltage protection you also get an extra (better) ADC,
 protected digital inputs, both TTL and high current outputs, a 12-24 Volt
 to 5 Volt step down converter, I2C level shifter, etc. Oh, and you can also
 use it to control some stepper motors, e.g. to build a 3D printer, or a
 laser cutter, or a router, or something I haven't thought of yet. There's a
 picture and manual available for download via this link:
 https://github.com/modmaker/BeBoPr-plus-plus.

 -- Bas

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[beagleboard] Re: What went wrong

[Brandon I]

This is incorrect. There's nothing wrong with applying power through USB 
and VDD_5V (DC plug) at the same time, from the reference manual:

"The selection of either the 5VDC or the USB as the power source is handled 
internally to the TPS65217C  and automatically switches to 5VDC power if 
both are connected."

On Wednesday, April 9, 2014 1:47:10 PM UTC-7, Gunjan Gupta wrote:
>
> Hi,
>
> You have used both the 5V power source and the mini usb cable. I guess 
> thats why your board got fried up. Use only one of them for the next time.
>
> Regards
> viraniac
>
> On Tuesday, April 8, 2014 2:36:29 AM UTC+5:30, A M Kent wrote:
>>
>> I've recently purchased the BBB and over the weekend I went through 
>> setting it up. I have to say I'm thoroughly impressed with the setup and 
>> the size. I followed the supplied instructions of connecting the device to 
>> my computer using the USB cable connecting it from the micro USB port to a 
>> port on my laptop, installing the necessary files to communicate with the 
>> device. My
>> issue occurred when I connected the BB in the following manner.
>>
>> 1. From micro HDMI port to HDMI port on monitor.
>> 2. Connected the 5V power source into the BB
>> 3. Connected a USB cable from the USB jack on the BB to my 4 port powered
>> USB hub.
>> 4. Connected the micro USB cable into the 4 port hub.
>> 5. Inserted wireless keybrd/mouse dongle into the 4 port hub.
>>
>> When I applied power to the BB within 1 minute of doing so I hear a faint 
>> high pitch tone and shortly thereafter I see a spark coming from the board. 
>> Based on the setup described what could have gone wrong?
>>
>

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Re: [beagleboard] booting via microSD not eMMC

[Dan Denson]

How about the reverse, I want to boot from emmc WHILE and SD card is 
inserted.  Previously I had used the boot button, now I want to undo that.

On Wednesday, April 9, 2014 12:44:02 PM UTC-6, Gerald wrote:
>
> Same as before. You need to hold the boot button down to force it to boot 
> from SD.
>
> Gerald
>
>
>
> On Wed, Apr 9, 2014 at 1:40 PM, Eren Basturk 
> > wrote:
>
>> Hi All,
>>
>> I am using A6A revision Beagle Bone Black. I have a problem with booting. 
>> I can run my image via eMMC but i want run my image via microSD card.
>>
>> How can i can change boot options as booting via microSD?
>>
>> Best Regards,
>> Eren
>>
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>

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[beagleboard] Mounting as drive on Windows

[lee]

So, my BBB is running perfectly with Robert's latest Debian release. I can 
mount it as a drive on my desktop just fine. But now I need (through 
circumstances beyond my control) to mount it as a drive on Windows. I'm 
pretty clueless about Windows. I have a laptop with Windows 7-64, I 
downloaded the drivers as recommended on the BB site, but it still won't 
mount. I've also seen the INF file in the kernel source, but I have no idea 
how I might need or use that. Any Windows-competent folk out there who 
might know how to get this working? BTW, I don't really care about the 
RNDIS or UART stuff, but if I have to have them to get the storage part 
working, that's fine.

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[beagleboard] undo boot from sdcard? need to boot from emmc while an sdcard is inserted

[Dan Denson]

I booted an image on sdcard by pressing the user/boot button.  I then 
flashed the image to the emmc, which works fine.  The system boots properly 
from emmc when there is no sdcard inserted, but if I insert an sdcard I can 
no longer boot from emmc.

I have insterted an sdcard without boot flag and it wont boot, I have 
inserted one that was bootable and it boots the sdcard.

Is there a way to disable the boot from sdcard?

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[beagleboard] Re: python gui?

[lee]

I'm using a GUI app now running on the BBB which is a web server backend 
using Chromium in kiosk mode as the GUI. You can also use Python's native 
Tkinter, but that looks kind of dated. PyQt and WxWidgets are available, 
but I've never done those personally.

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Re: [beagleboard] Re: python gui?

[Eric Palmer]

I think I'm going with web. Thanks.


On Thu, Apr 10, 2014 at 6:36 PM,  wrote:

> I'm using a GUI app now running on the BBB which is a web server backend
> using Chromium in kiosk mode as the GUI. You can also use Python's native
> Tkinter, but that looks kind of dated. PyQt and WxWidgets are available,
> but I've never done those personally.
>
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-- 
Eric Palmer

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Re: [beagleboard] undo boot from sdcard? need to boot from emmc while an sdcard is inserted

[Chad Baker]

Assuming that you have a microSD card with the /dev/sd1 partition 
formatted as vfat,

Copy a file with the following contents to /dev/sd1/uEnv.txt

mmcdev=1
bootpart=1:2
mmcroot=/dev/mmcblk1p2 ro

- and when you reboot, the microSD should not cause a hang, but appear 
in the file system.


At least this works for me.


On 4/10/2014 5:28 PM, Dan Denson wrote:
I booted an image on sdcard by pressing the user/boot button.  I then 
flashed the image to the emmc, which works fine.  The system boots 
properly from emmc when there is no sdcard inserted, but if I insert 
an sdcard I can no longer boot from emmc.


I have insterted an sdcard without boot flag and it wont boot, I have 
inserted one that was bootable and it boots the sdcard.


Is there a way to disable the boot from sdcard?
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--
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[beagleboard] Disable autologin and lightdm on the BeagleBoard.org Latest Debian Firmware Image

[halherta]

Hello,
I lately decided to install the latest BeagleBoard.org Debian FIrmware 
image on the Beaglebone Black (MicroSD version). When the image boots it 
automatically logs into LXDE. I'd like to disable autologin and have the 
BBB boot to the command line; with the option of starting LXDE later as 
needed with the startLXDE command. What do I have to do to make these 
modifications?

Regards,
Hussam   

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Re: [beagleboard] Disable autologin and lightdm on the BeagleBoard.org Latest Debian Firmware Image

[Robert Nelson]

On Thu, Apr 10, 2014 at 7:25 PM,   wrote:
> Hello,
> I lately decided to install the latest BeagleBoard.org Debian FIrmware image
> on the Beaglebone Black (MicroSD version). When the image boots it
> automatically logs into LXDE. I'd like to disable autologin and have the BBB
> boot to the command line; with the option of starting LXDE later as needed
> with the startLXDE command. What do I have to do to make these
> modifications?

These are the changes down to lightdm to make it autologin:

https://github.com/beagleboard/image-builder/blob/master/target/chroot/beagleboard.org.sh#L109

Disable the lightdm service, then it shouldn't start on bootup.

Regards,

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

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Re: [beagleboard] undo boot from sdcard? need to boot from emmc while an sdcard is inserted

[dan]

Chad, it's not working for me *but* I don't have a micro adapter so I've
been working on mmcblk1



On Thu, Apr 10, 2014 at 5:55 PM, Chad Baker  wrote:

>  Assuming that you have a microSD card with the /dev/sd1 partition
> formatted as vfat,
> Copy a file with the following contents to /dev/sd1/uEnv.txt
>
> mmcdev=1
> bootpart=1:2
> mmcroot=/dev/mmcblk1p2 ro
>
> - and when you reboot, the microSD should not cause a hang, but appear in
> the file system.
>
> At least this works for me.
>
>
>
> On 4/10/2014 5:28 PM, Dan Denson wrote:
>
> I booted an image on sdcard by pressing the user/boot button.  I then
> flashed the image to the emmc, which works fine.  The system boots properly
> from emmc when there is no sdcard inserted, but if I insert an sdcard I can
> no longer boot from emmc.
>
>  I have insterted an sdcard without boot flag and it wont boot, I have
> inserted one that was bootable and it boots the sdcard.
>
>  Is there a way to disable the boot from sdcard?
>  --
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>
> --
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>
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Re: [beagleboard] undo boot from sdcard? need to boot from emmc while an sdcard is inserted

[dan]

so I found a usb adapter.  I made a bootable primary partition, 64MB,
formatted vfat, and made a file uEnv.txt, no go.  Still hangs at boot.

mmcdev=1
bootpart=1:2
mmcroot=/dev/mmcblk1p2 ro



On Thu, Apr 10, 2014 at 6:56 PM, dan  wrote:

> Chad, it's not working for me *but* I don't have a micro adapter so I've
> been working on mmcblk1
>
>
>
> On Thu, Apr 10, 2014 at 5:55 PM, Chad Baker  wrote:
>
>>  Assuming that you have a microSD card with the /dev/sd1 partition
>> formatted as vfat,
>> Copy a file with the following contents to /dev/sd1/uEnv.txt
>>
>> mmcdev=1
>> bootpart=1:2
>> mmcroot=/dev/mmcblk1p2 ro
>>
>> - and when you reboot, the microSD should not cause a hang, but appear in
>> the file system.
>>
>> At least this works for me.
>>
>>
>>
>> On 4/10/2014 5:28 PM, Dan Denson wrote:
>>
>> I booted an image on sdcard by pressing the user/boot button.  I then
>> flashed the image to the emmc, which works fine.  The system boots properly
>> from emmc when there is no sdcard inserted, but if I insert an sdcard I can
>> no longer boot from emmc.
>>
>>  I have insterted an sdcard without boot flag and it wont boot, I have
>> inserted one that was bootable and it boots the sdcard.
>>
>>  Is there a way to disable the boot from sdcard?
>>  --
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>>
>>
>> --
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>>
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Re: [beagleboard] undo boot from sdcard? need to boot from emmc while an sdcard is inserted

[Chad Baker]

What does your second partition look like?
I formatted my microSD with

mkfs -t vfat -F 32 -n BoneBoot /dev/sda1
mkfs -V -t ext4 -j -L BoneData /dev/sda2


On 4/10/2014 8:05 PM, dan wrote:
so I found a usb adapter.  I made a bootable primary partition, 64MB, 
formatted vfat, and made a file uEnv.txt, no go.  Still hangs at boot.


mmcdev=1
bootpart=1:2
mmcroot=/dev/mmcblk1p2 ro


On Thu, Apr 10, 2014 at 6:56 PM, dan > wrote:


Chad, it's not working for me *but* I don't have a micro adapter
so I've been working on mmcblk1



On Thu, Apr 10, 2014 at 5:55 PM, Chad Baker mailto:cmbak...@gmail.com>> wrote:

Assuming that you have a microSD card with the /dev/sd1
partition formatted as vfat,
Copy a file with the following contents to /dev/sd1/uEnv.txt

 mmcdev=1
 bootpart=1:2
 mmcroot=/dev/mmcblk1p2 ro

- and when you reboot, the microSD should not cause a hang,
but appear in the file system.

At least this works for me.



On 4/10/2014 5:28 PM, Dan Denson wrote:

I booted an image on sdcard by pressing the user/boot button.
 I then flashed the image to the emmc, which works fine.  The
system boots properly from emmc when there is no sdcard
inserted, but if I insert an sdcard I can no longer boot from
emmc.

I have insterted an sdcard without boot flag and it wont
boot, I have inserted one that was bootable and it boots the
sdcard.

Is there a way to disable the boot from sdcard?
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Re: [beagleboard] undo boot from sdcard? need to boot from emmc while an sdcard is inserted

[dan]

no go, I mirrored your example exactly.


On Thu, Apr 10, 2014 at 7:21 PM, Chad Baker  wrote:

>  What does your second partition look like?
> I formatted my microSD with
>
> mkfs -t vfat -F 32 -n BoneBoot /dev/sda1
> mkfs -V -t ext4 -j -L BoneData /dev/sda2
>
>
> On 4/10/2014 8:05 PM, dan wrote:
>
> so I found a usb adapter.  I made a bootable primary partition, 64MB,
> formatted vfat, and made a file uEnv.txt, no go.  Still hangs at boot.
>
>  mmcdev=1
> bootpart=1:2
> mmcroot=/dev/mmcblk1p2 ro
>
>
>
> On Thu, Apr 10, 2014 at 6:56 PM, dan  wrote:
>
>> Chad, it's not working for me *but* I don't have a micro adapter so I've
>> been working on mmcblk1
>>
>>
>>
>> On Thu, Apr 10, 2014 at 5:55 PM, Chad Baker  wrote:
>>
>>>  Assuming that you have a microSD card with the /dev/sd1 partition
>>> formatted as vfat,
>>> Copy a file with the following contents to /dev/sd1/uEnv.txt
>>>
>>> mmcdev=1
>>> bootpart=1:2
>>> mmcroot=/dev/mmcblk1p2 ro
>>>
>>> - and when you reboot, the microSD should not cause a hang, but appear
>>> in the file system.
>>>
>>> At least this works for me.
>>>
>>>
>>>
>>> On 4/10/2014 5:28 PM, Dan Denson wrote:
>>>
>>> I booted an image on sdcard by pressing the user/boot button.  I then
>>> flashed the image to the emmc, which works fine.  The system boots properly
>>> from emmc when there is no sdcard inserted, but if I insert an sdcard I can
>>> no longer boot from emmc.
>>>
>>>  I have insterted an sdcard without boot flag and it wont boot, I have
>>> inserted one that was bootable and it boots the sdcard.
>>>
>>>  Is there a way to disable the boot from sdcard?
>>>  --
>>> For more options, visit http://beagleboard.org/discuss
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>>>
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Re: [beagleboard] Accommodating Arduino Shields: Updated Pinmux

[Jason Kridner]

On Tue, Apr 8, 2014 at 7:27 PM,  wrote:

> Dear Community,
>
> we would like to share with you our recent discussions about minor changes
> in the Shield I/O pin mapping, which further improve Arduino compatibility.
>
> We have also carefully checked the mapping specified by the
> "userspace-arduino" project on
> http://beagleboard.org/project/userspace-arduino/, but we think in
> comparison to our proposed mapping 
> (PDF)
> there is less flexibility given. Feel free to tell us your suggestions.
>

Will you submit patches to userspace-arduino to change to your mapping? Did
you check availability of PRU pins? It would be easy to emulate an entire
Arduino on one PRU.

I hope the support picks up for your project. I really want to see you get
funded and there are only 3-4 days left! Any thoughts on getting more
exposure for the campaign? Any way for a distributor to place a bulk order?
I imagine a couple of them might find it interesting.


> Best Regards,
>
> Daniel Barthels
> impressx
>
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[beagleboard] Re: Eclipse doesn't detect my Android running on BeagleBone Black

[Vishveshwar]

On Thursday, April 10, 2014 11:37:20 PM UTC+5:30, Kim Ilchul wrote:
>
> Hello,
>
> I'm using micro SD card to boot Android and running it on BBB. It works 
> well but I cannot find my BBB as running Android device on my laptop.
>

Which android package are you using?
There is one from TI/rowboat with linux 3.2. This supports adb and probably 
should work for eclipse.
http://processors.wiki.ti.com/index.php/TI-Android-JB-4.1.2-DevKit-4.0.1_UserGuide

There is another package which uses the beaglebone linux 3.8 kernel. I'm 
not sure if it supports adb.
http://icculus.org/~hendersa/android/

 

> I found some solution to eclipse can detect my BBB as running Android 
> device but doesn't works for me. 
>

You did not point to the guide. I can't say if it has sufficient 
information or indeed if it is relevant to the package you are using.

-Vishveshwar

>
> My Android is 4.2.2 and I installed API17, enable Debug mode from 
> development setting of Android.
> I'm using Window7 with USB connection between BBB. 
>
> I really appreciate any helps. Thanks!
>

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Re: [beagleboard] BBB GLIBC6 version issue

[A P]

Thanks for your quick response.

root@beaglebone:~/test# ldd test
./test: /lib/libc.so.6: version `GLIBC_2.17' not found (required by ./test)
libpthread.so.0 => /lib/libpthread.so.0 (0xb6ed1000)
libc.so.6 => /lib/libc.so.6 (0xb6da)
/lib/ld-linux.so.3 (0xb6efc000)

As requested


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