Re: [beagleboard] TI Announcement of the AM5728 and EVM

[Maxim Podbereznyy]

AM5728 for $75 @1k??? Ridiculously high price. I think imx6q is a better
deal and the Plus version is on the way

2015-10-15 7:07 GMT+03:00 William Hermans :

> Also. . .
>
> *IVA support only for IPU2 is kind of a bummer . . .But I'm wondering if
>> the GPU could be used for GPGPU processing since it seems to sit on the L3
>> interconnect as well.*
>>
>
> I was under the impression, and quite incorrectly that each IPU mentioned
> in the TRM was a single processor. When in fact each IPU is a subsystem
> with 2 M4 cores, not singles. Which is good news after all.
>
> And dahm, this newer processor sure is getting complex. Seeing mention in
> the TRM to read other documents in relation to the various different cores.
> Like you eluded to above Robert. heh. Read the C6000 TRM, M4 TRM, plus what
> else ? On top of the 7483 pages already in the AM572x TRM . . .heh lots of
> reading to do . . .
>
> On Wed, Oct 14, 2015 at 8:58 PM, William Hermans 
> wrote:
>
>> Robert,
>>
>> I'm curious, have you played at all with remoteproc / RPMsg at all ?
>> Seems very interesting, but also complex in setup. Also, not so sure if
>> anything other than TI-RTOS is supported on the various beagle products.
>> But was more interested in something else, perhaps even bare metal.
>>
>> On Wed, Oct 14, 2015 at 8:19 PM, Robert Nelson 
>> wrote:
>>
>>> On Wed, Oct 14, 2015 at 10:01 PM, William Hermans 
>>> wrote:
>>> >> 7.1.1 Introduction
>>> >> The device instantiates two dual Cortex™-M4 image processor unit (IPU)
>>> >> subsystems:
>>> >> • IPU1 subsystem is available for general purpose usage
>>> >> • IPU2 subsystem is dedicated to IVA support and is not available for
>>> >> other processing
>>> >
>>> >
>>> > IVA support only for IPU2 is kind of a bummer . . .But I'm wondering
>>> if the
>>> > GPU could be used for GPGPU processing since it seems to sit on the L3
>>> > interconnect as well.
>>>
>>> Well there's opencl from ti for the dual c6000's.. ;)
>>>
>>> http://git.ti.com/gitweb/?p=opencl/ti-opencl.git;a=summary
>>>
>>> Regards,
>>>
>>> --
>>> Robert Nelson
>>> https://rcn-ee.com/
>>>
>>> --
>>> For more options, visit http://beagleboard.org/discuss
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>>
>>
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Re: [beagleboard] Re: Cannot load device tree overlay at startup

[lee]

I am too seeing this issue on the latest 4.1 kernel.

This is a custom cape that loads fine echoing direct to the slot but when I 
add to the /etc/default/capemgr file nothing happens.

Nothing in the log at all for it.

Lee

On Tuesday, April 7, 2015 at 7:37:00 AM UTC+1, bremenpl wrote:
>
> Hello,
> Moving uEnv.txt havent solved the issue: https://pastebin.com/eJUPXyWU
> Any other thoughts?
>
> W dniu 2015-04-05 o 15:45, pic t pisze:
>
> Editing /etc/default/capemgr worked for me, can you try creating uenv.txt 
> in /boot/uboot ?
>
> On 5 Apr 2015 11:32, "Bremenpl"  wrote:
>
>> Hi there,
>> Any other hints maybe? I still havent resolved this :\.
>>
>> On April 1, 2015 5:01:10 PM azizb...@gmail.com  wrote:
>>
>>>
>>>
>>> On Tuesday, 31 March 2015 11:15:29 UTC+1, bremenpl wrote: 

 Hello there,
 I am using a custom build kernel using the script from Mr Nelson (
 https://github.com/RobertCNelson/bb-kernel.git). I am facing problems 
 with loading a device tree overlay for dvi cape at startup. I was abble to 
 succesfully load the overlay using echo BB-BONE-DVID-01 > slots when 
 running already. I tried sifferent methods for loading the device tree at 
 startup.

 I tried creating uEnv.txt in /boot/ directory that contains:

 # enable systemd
 optargs=quiet init=/lib/systemd/systemd

 # enable dvi
 cape_enable=capemgr.enable_partno=BB-BONE-DVID-01



 This havent worked so i tried editing /etc/default/capemgr with:

 CAPE=BB-BONE-DVID-01



 But that also did not help, the dts is not loading at startup.
 I would aprichiate any hints on this case. Is there any step I could 
 possibly miss when loading device trees at startup?
 I am using debian wheezy.

>>>
>>>
>>>
>>> Hi, 
>>> Can you try the following in uEnv.txt
>>> optargs=capemgr.enable_partno=BB-BONE-DVID-01
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[beagleboard] Beaglebone refusing to boot

[Rohan Smith]

Hi,
I recently tried to update the OS on a stock Beaglebone Black. The BBB now 
refuses to boot off of either the eMMC or an SD card.

Booting from the eMMC lights up the power LED, no user LEDs, and outputs 
the character 'C' a bunch of times on the serial line.

Booting from the SD card, partitioned with partition 0 as fat16 via 
mkfs.vfat -F 16 and partition 1 as ext4 with mkfs.ext4 results in this 
output: http://pastebin.com/14E8AwAD
Booting from the SD card, with MLO at 128k and u-boot.img at 384k results 
in the same thing.

How am I able to restore the BBB to a usable system?

Cheers,
Rohan Smith

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Re: [beagleboard] TI Announcement of the AM5728 and EVM

[Drew Fustini]

I do like my Novena open hardware laptop with iMX6 :)

I presume DSPs and microcontrollers on die are a selling point for Sitara
AM57xx.  I'm curious if anyone knows if there are other suppliers that
offer ARM Cortex A series processor with microcontroller core(s) on die?

Thanks
Drew
On Oct 15, 2015 1:35 AM, "Maxim Podbereznyy"  wrote:

> AM5728 for $75 @1k??? Ridiculously high price. I think imx6q is a better
> deal and the Plus version is on the way
>
> 2015-10-15 7:07 GMT+03:00 William Hermans :
>
>> Also. . .
>>
>> *IVA support only for IPU2 is kind of a bummer . . .But I'm wondering if
>>> the GPU could be used for GPGPU processing since it seems to sit on the L3
>>> interconnect as well.*
>>>
>>
>> I was under the impression, and quite incorrectly that each IPU mentioned
>> in the TRM was a single processor. When in fact each IPU is a subsystem
>> with 2 M4 cores, not singles. Which is good news after all.
>>
>> And dahm, this newer processor sure is getting complex. Seeing mention in
>> the TRM to read other documents in relation to the various different cores.
>> Like you eluded to above Robert. heh. Read the C6000 TRM, M4 TRM, plus what
>> else ? On top of the 7483 pages already in the AM572x TRM . . .heh lots of
>> reading to do . . .
>>
>> On Wed, Oct 14, 2015 at 8:58 PM, William Hermans 
>> wrote:
>>
>>> Robert,
>>>
>>> I'm curious, have you played at all with remoteproc / RPMsg at all ?
>>> Seems very interesting, but also complex in setup. Also, not so sure if
>>> anything other than TI-RTOS is supported on the various beagle products.
>>> But was more interested in something else, perhaps even bare metal.
>>>
>>> On Wed, Oct 14, 2015 at 8:19 PM, Robert Nelson 
>>> wrote:
>>>
 On Wed, Oct 14, 2015 at 10:01 PM, William Hermans 
 wrote:
 >> 7.1.1 Introduction
 >> The device instantiates two dual Cortex™-M4 image processor unit
 (IPU)
 >> subsystems:
 >> • IPU1 subsystem is available for general purpose usage
 >> • IPU2 subsystem is dedicated to IVA support and is not available for
 >> other processing
 >
 >
 > IVA support only for IPU2 is kind of a bummer . . .But I'm wondering
 if the
 > GPU could be used for GPGPU processing since it seems to sit on the L3
 > interconnect as well.

 Well there's opencl from ti for the dual c6000's.. ;)

 http://git.ti.com/gitweb/?p=opencl/ti-opencl.git;a=summary

 Regards,

 --
 Robert Nelson
 https://rcn-ee.com/

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>>>
>>>
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>
>
>
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Re: [beagleboard] Poor Java performance on new BBB

[Fohnbit]

Hi Robert,

Java is up to date.

I compare with:
ps aux | grep bash

slow BBB:
user11068  0.0  0.2   2588  1464 pts/0Ss   17:19   0:00 -bash
root  1081  0.1  0.3   4200  1680 pts/0S17:19   0:02 bash
root  1746  0.0  0.1   3128   704 pts/0S+   17:45   0:00 grep bash

normal BBB:
root  1009  0.0  0.3   2608  1536 pts/0Ss   14:41   0:00 -bash
root  1970  0.0  0.1   1572   560 pts/0S+   15:45   0:00 grep bash

I try to kill other services ... like ser2net ... but problem still exists


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Re: [beagleboard] Beaglebone refusing to boot

[rohan . preacher . smith]

I get no difference in output whether I put MLO at 128k and u-boot.img at 
384k using those instructions, or if I put it on a boot partition.

Cheers,
Rohan Smith

On Thursday, 15 October 2015 23:36:45 UTC+10, RobertCNelson wrote:
>
> On Thu, Oct 15, 2015 at 6:24 AM, Rohan Smith 
>  wrote: 
> > Hi, 
> > I recently tried to update the OS on a stock Beaglebone Black. The BBB 
> now 
> > refuses to boot off of either the eMMC or an SD card. 
> > 
> > Booting from the eMMC lights up the power LED, no user LEDs, and outputs 
> the 
> > character 'C' a bunch of times on the serial line. 
> > 
> > Booting from the SD card, partitioned with partition 0 as fat16 via 
> > mkfs.vfat -F 16 and partition 1 as ext4 with mkfs.ext4 results in this 
> > output: http://pastebin.com/14E8AwAD 
> > Booting from the SD card, with MLO at 128k and u-boot.img at 384k 
> results in 
> > the same thing. 
> > 
> > How am I able to restore the BBB to a usable system? 
>
>
> https://eewiki.net/display/linuxonarm/BeagleBone+Black#BeagleBoneBlack-SetupmicroSDcard
>  
>
> Regards, 
>
> -- 
> Robert Nelson 
> https://rcn-ee.com/ 
>

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[beagleboard] Poor Java performance on new BBB

[Fohnbit]

Hello!

I have two BBB:
BBB 1:
Linux beaglebone 3.8.13-bone67 #1 SMP Wed Sep 24 21:30:03 UTC 2014 armv7l 
GNU/Linux
java version "1.8.0_06"
Java(TM) SE Runtime Environment (build 1.8.0_06-b23)
Java HotSpot(TM) Client VM (build 25.6-b23, mixed mode)


BBB 2:
Linux fdec0a8001c 3.8.13-bone70 #1 SMP Fri Jan 23 02:15:42 UTC 2015 armv7l 
GNU/Linux
java version "1.8.0_33"
Java(TM) SE Runtime Environment (build 1.8.0_33-b05)
Java HotSpot(TM) Client VM (build 25.33-b05, mixed mode)

On both I have the same Java Application.

The Problem:
On BBB 1 the commands in the java application switch within 50ms
On BBB 2 the commands need 500-600ms

Now I have to check, what is different. The Java Application (OSGi) is 
defentiv the same (copy from one to the other)

Any idea where I can start to search?
The Java version are different, but I don´t think this is the problem?

Thank you!

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Re: [beagleboard] Poor Java performance on new BBB

[Robert Nelson]

On Thu, Oct 15, 2015 at 10:07 AM, Fohnbit  wrote:
> Hello!
>
> I have two BBB:
> BBB 1:
> Linux beaglebone 3.8.13-bone67 #1 SMP Wed Sep 24 21:30:03 UTC 2014 armv7l
> GNU/Linux
> java version "1.8.0_06"
> Java(TM) SE Runtime Environment (build 1.8.0_06-b23)
> Java HotSpot(TM) Client VM (build 25.6-b23, mixed mode)
>
>
> BBB 2:
> Linux fdec0a8001c 3.8.13-bone70 #1 SMP Fri Jan 23 02:15:42 UTC 2015 armv7l
> GNU/Linux
> java version "1.8.0_33"
> Java(TM) SE Runtime Environment (build 1.8.0_33-b05)
> Java HotSpot(TM) Client VM (build 25.33-b05, mixed mode)
>
> On both I have the same Java Application.
>
> The Problem:
> On BBB 1 the commands in the java application switch within 50ms
> On BBB 2 the commands need 500-600ms
>
> Now I have to check, what is different. The Java Application (OSGi) is
> defentiv the same (copy from one to the other)
>
> Any idea where I can start to search?

support.oracle.com

> The Java version are different, but I don´t think this is the problem?

Probally...

You can try updating...

sudo apt-get install oracle-java8-installer

root@BeagleBoard-X15:~# java -version
java version "1.8.0_60"
Java(TM) SE Runtime Environment (build 1.8.0_60-b27)
Java HotSpot(TM) Client VM (build 25.60-b23, mixed mode)

Regards,

-- 
Robert Nelson
https://rcn-ee.com/

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Re: [beagleboard] TI Announcement of the AM5728 and EVM

['Mark Lazarewicz' via BeagleBoard]

There are . at the high end Zynq is being used in defense sectors 

Sent from Yahoo Mail on Android

From:"Drew Fustini" 
Date:Thu, Oct 15, 2015 at 11:29 AM
Subject:Re: [beagleboard] TI Announcement of the AM5728 and EVM

I do like my Novena open hardware laptop with iMX6 :)

I presume DSPs and microcontrollers on die are a selling point for Sitara 
AM57xx.  I'm curious if anyone knows if there are other suppliers that offer 
ARM Cortex A series processor with microcontroller core(s) on die?

Thanks
Drew

On Oct 15, 2015 1:35 AM, "Maxim Podbereznyy"  wrote:

AM5728 for $75 @1k??? Ridiculously high price. I think imx6q is a better deal 
and the Plus version is on the way


2015-10-15 7:07 GMT+03:00 William Hermans :

Also. . .

IVA support only for IPU2 is kind of a bummer . . .But I'm wondering if the GPU 
could be used for GPGPU processing since it seems to sit on the L3 interconnect 
as well.


I was under the impression, and quite incorrectly that each IPU mentioned in 
the TRM was a single processor. When in fact each IPU is a subsystem with 2 M4 
cores, not singles. Which is good news after all.

And dahm, this newer processor sure is getting complex. Seeing mention in the 
TRM to read other documents in relation to the various different cores. Like 
you eluded to above Robert. heh. Read the C6000 TRM, M4 TRM, plus what else ? 
On top of the 7483 pages already in the AM572x TRM . . .heh lots of reading to 
do . . .


On Wed, Oct 14, 2015 at 8:58 PM, William Hermans  wrote:

Robert,

I'm curious, have you played at all with remoteproc / RPMsg at all ? Seems very 
interesting, but also complex in setup. Also, not so sure if anything other 
than TI-RTOS is supported on the various beagle products. But was more 
interested in something else, perhaps even bare metal.


On Wed, Oct 14, 2015 at 8:19 PM, Robert Nelson  wrote:

On Wed, Oct 14, 2015 at 10:01 PM, William Hermans  wrote:
>> 7.1.1 Introduction
>> The device instantiates two dual Cortex™-M4 image processor unit (IPU)
>> subsystems:
>> • IPU1 subsystem is available for general purpose usage
>> • IPU2 subsystem is dedicated to IVA support and is not available for
>> other processing
>
>
> IVA support only for IPU2 is kind of a bummer . . .But I'm wondering if the
> GPU could be used for GPGPU processing since it seems to sit on the L3
> interconnect as well.

Well there's opencl from ti for the dual c6000's.. ;)

http://git.ti.com/gitweb/?p=opencl/ti-opencl.git;a=summary

Regards,

--
Robert Nelson
https://rcn-ee.com/


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Re: [beagleboard] Re: Cannot load device tree overlay at startup

[Robert Nelson]

On Thu, Oct 15, 2015 at 2:36 AM,   wrote:
> I am too seeing this issue on the latest 4.1 kernel.
>
> This is a custom cape that loads fine echoing direct to the slot but when I
> add to the /etc/default/capemgr file nothing happens.

The script that uses /etc/default/capemgr needs to be patched for v4.1.x

Regards,

-- 
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https://rcn-ee.com/

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Re: [beagleboard] Beaglebone refusing to boot

[Robert Nelson]

On Thu, Oct 15, 2015 at 6:24 AM, Rohan Smith
 wrote:
> Hi,
> I recently tried to update the OS on a stock Beaglebone Black. The BBB now
> refuses to boot off of either the eMMC or an SD card.
>
> Booting from the eMMC lights up the power LED, no user LEDs, and outputs the
> character 'C' a bunch of times on the serial line.
>
> Booting from the SD card, partitioned with partition 0 as fat16 via
> mkfs.vfat -F 16 and partition 1 as ext4 with mkfs.ext4 results in this
> output: http://pastebin.com/14E8AwAD
> Booting from the SD card, with MLO at 128k and u-boot.img at 384k results in
> the same thing.
>
> How am I able to restore the BBB to a usable system?

https://eewiki.net/display/linuxonarm/BeagleBone+Black#BeagleBoneBlack-SetupmicroSDcard

Regards,

-- 
Robert Nelson
https://rcn-ee.com/

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[beagleboard] Re: Poor Java performance on new BBB

[WZ9V]

Both your kernel and Java versions are different.  I would try running the 
same Kernel and Java version from the fast BBB on the slow BBB (or better 
yet the exact same OS image).

On Thursday, October 15, 2015 at 11:07:50 AM UTC-4, Fohnbit wrote:
>
> Hello!
>
> I have two BBB:
> BBB 1:
> Linux beaglebone 3.8.13-bone67 #1 SMP Wed Sep 24 21:30:03 UTC 2014 armv7l 
> GNU/Linux
> java version "1.8.0_06"
> Java(TM) SE Runtime Environment (build 1.8.0_06-b23)
> Java HotSpot(TM) Client VM (build 25.6-b23, mixed mode)
>
>
> BBB 2:
> Linux fdec0a8001c 3.8.13-bone70 #1 SMP Fri Jan 23 02:15:42 UTC 2015 armv7l 
> GNU/Linux
> java version "1.8.0_33"
> Java(TM) SE Runtime Environment (build 1.8.0_33-b05)
> Java HotSpot(TM) Client VM (build 25.33-b05, mixed mode)
>
> On both I have the same Java Application.
>
> The Problem:
> On BBB 1 the commands in the java application switch within 50ms
> On BBB 2 the commands need 500-600ms
>
> Now I have to check, what is different. The Java Application (OSGi) is 
> defentiv the same (copy from one to the other)
>
> Any idea where I can start to search?
> The Java version are different, but I don´t think this is the problem?
>
> Thank you!
>

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Re: [beagleboard] Beaglebone pin header initialization during boot

[Nuno Sucena Almeida]

On 10/15/2015 11:41 AM, LT Smit wrote:
> So, somewere, pin P9_29 is explicitly set high during the boot process.
> This can be in u-boot, or in the linux kernel (I guess u-boot).

You could try to connect an oscilloscope to the pins, with trigger
properly set and pay attention what's happening when it transitions.

cheers,
Nuno

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Re: [beagleboard] TI Announcement of the AM5728 and EVM

[William Hermans]

Good to know Maxim, thanks for letting us (me) know. Never had, or used one
. . .

On Thu, Oct 15, 2015 at 11:45 AM, Maxim Podbereznyy 
wrote:

> Imx6 plus is going to have M4 on die
> 15 Окт 2015 г. 19:38 пользователь "William Hermans" 
> написал:
>
> *I presume DSPs and microcontrollers on die are a selling point for Sitara
>>> AM57xx.  I'm curious if anyone knows if there are other suppliers that
>>> offer ARM Cortex A series processor with microcontroller core(s) on die?*
>>>
>>
>> IPU is a generic enough term one would think so, but I've never seen one
>> yet. PRU< definately not, that is unique to TI.
>>
>> On Thu, Oct 15, 2015 at 8:29 AM, Drew Fustini  wrote:
>>
>>> I do like my Novena open hardware laptop with iMX6 :)
>>>
>>> I presume DSPs and microcontrollers on die are a selling point for
>>> Sitara AM57xx.  I'm curious if anyone knows if there are other suppliers
>>> that offer ARM Cortex A series processor with microcontroller core(s) on
>>> die?
>>>
>>> Thanks
>>> Drew
>>> On Oct 15, 2015 1:35 AM, "Maxim Podbereznyy"  wrote:
>>>
 AM5728 for $75 @1k??? Ridiculously high price. I think imx6q is a
 better deal and the Plus version is on the way

 2015-10-15 7:07 GMT+03:00 William Hermans :

> Also. . .
>
> *IVA support only for IPU2 is kind of a bummer . . .But I'm wondering
>> if the GPU could be used for GPGPU processing since it seems to sit on 
>> the
>> L3 interconnect as well.*
>>
>
> I was under the impression, and quite incorrectly that each IPU
> mentioned in the TRM was a single processor. When in fact each IPU is a
> subsystem with 2 M4 cores, not singles. Which is good news after all.
>
> And dahm, this newer processor sure is getting complex. Seeing mention
> in the TRM to read other documents in relation to the various different
> cores. Like you eluded to above Robert. heh. Read the C6000 TRM, M4 TRM,
> plus what else ? On top of the 7483 pages already in the AM572x TRM . .
> .heh lots of reading to do . . .
>
> On Wed, Oct 14, 2015 at 8:58 PM, William Hermans 
> wrote:
>
>> Robert,
>>
>> I'm curious, have you played at all with remoteproc / RPMsg at all ?
>> Seems very interesting, but also complex in setup. Also, not so sure if
>> anything other than TI-RTOS is supported on the various beagle products.
>> But was more interested in something else, perhaps even bare metal.
>>
>> On Wed, Oct 14, 2015 at 8:19 PM, Robert Nelson <
>> robertcnel...@gmail.com> wrote:
>>
>>> On Wed, Oct 14, 2015 at 10:01 PM, William Hermans 
>>> wrote:
>>> >> 7.1.1 Introduction
>>> >> The device instantiates two dual Cortex™-M4 image processor unit
>>> (IPU)
>>> >> subsystems:
>>> >> • IPU1 subsystem is available for general purpose usage
>>> >> • IPU2 subsystem is dedicated to IVA support and is not available
>>> for
>>> >> other processing
>>> >
>>> >
>>> > IVA support only for IPU2 is kind of a bummer . . .But I'm
>>> wondering if the
>>> > GPU could be used for GPGPU processing since it seems to sit on
>>> the L3
>>> > interconnect as well.
>>>
>>> Well there's opencl from ti for the dual c6000's.. ;)
>>>
>>> http://git.ti.com/gitweb/?p=opencl/ti-opencl.git;a=summary
>>>
>>> Regards,
>>>
>>> --
>>> Robert Nelson
>>> https://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.
>>>
>>
>>
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[beagleboard] Remote Access from Winows into BBB XUbuntu Desktop with Ubuntu 14.04 ARMF

[mrbarre7612]

I was finally able to get a desktop on Ubuntu 14.04 and access it from my 
Windows 7 PC using MobaXterm. I saw post on the internet about remote 
access using Windows Remote Desktop Connection and GNOME or Ubuntu2d 
desktops but were unable to make either one work.  I mainly want the 
desktop to download software from the internet using a browser instead of 
having to do everything from the command line. I'm new to Linux and find 
the command line a little cryptic at times. Here are the steps that worked 
for me to load XUbuntu desktop on the BBB and make it work by accessing 
remotely using MobaXterm on Windows 7. I really like MobaXterm compared to 
Putty or  doing a SSH session from Windows Remote Desktop Connection.  

How to make remote desktop connection from Windows to Beaglebone Black 
running Ubuntu 14.04 
sudo apt-get update
sudo apt-get install xrdp
sudo apt-get install xubuntu-desktop
echo "xfce4-session" > ~/.xsession
reboot Beaglebone 

Download and install MobaXterm for Windows
Start the application and choose session
In session choose RDP and put the IP address of the Beaglebone and user id. 
Use the default port 3389
It took about 45-60 seconds for the Desktop to appear in MobaXterm after 
the connection was made the first time. 
Subsequent connections happen a lot faster. 


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[beagleboard] Beaglebone pin header initialization during boot

[LT Smit]

Hi,

I am using the PRU to write to P9 header pins of the beagle bone black.
Load a device tree to configure the pins used by the PRU and this works 
fine (can toggle them with the PRU).
Using mode 5 with pull down enabled. Disabled HDMI dt due to audio 
conflict. Enabled HDMIN dt (without audio).

After booting the beaglebone black:
- pin P9_29 is high, while
- pin P9_31 is low.

Both pins have the same configuration in the device tree.
I would like to have the pins low after booting.

According the TRM, all pins are low initialized.

So, somewere, pin P9_29 is explicitly set high during the boot process.
This can be in u-boot, or in the linux kernel (I guess u-boot).

I am unable to find where this happens.
Searched in a lot of u-boot files, without luck.

Can somebody give me a pointer to the place where the pin initialization is 
done?
I am using the Debian 3.8.13-bone72 kernel:  Linux beaglebone 3.8.13-bone72 
#1 SMP Tue Jun 16 21:36:04 UTC 2015 armv7l GNU/Linux

Thanks.

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Re: [beagleboard] TI Announcement of the AM5728 and EVM

[William Hermans]

>
> *I presume DSPs and microcontrollers on die are a selling point for Sitara
> AM57xx.  I'm curious if anyone knows if there are other suppliers that
> offer ARM Cortex A series processor with microcontroller core(s) on die?*
>

IPU is a generic enough term one would think so, but I've never seen one
yet. PRU< definately not, that is unique to TI.

On Thu, Oct 15, 2015 at 8:29 AM, Drew Fustini  wrote:

> I do like my Novena open hardware laptop with iMX6 :)
>
> I presume DSPs and microcontrollers on die are a selling point for Sitara
> AM57xx.  I'm curious if anyone knows if there are other suppliers that
> offer ARM Cortex A series processor with microcontroller core(s) on die?
>
> Thanks
> Drew
> On Oct 15, 2015 1:35 AM, "Maxim Podbereznyy"  wrote:
>
>> AM5728 for $75 @1k??? Ridiculously high price. I think imx6q is a better
>> deal and the Plus version is on the way
>>
>> 2015-10-15 7:07 GMT+03:00 William Hermans :
>>
>>> Also. . .
>>>
>>> *IVA support only for IPU2 is kind of a bummer . . .But I'm wondering if
 the GPU could be used for GPGPU processing since it seems to sit on the L3
 interconnect as well.*

>>>
>>> I was under the impression, and quite incorrectly that each IPU
>>> mentioned in the TRM was a single processor. When in fact each IPU is a
>>> subsystem with 2 M4 cores, not singles. Which is good news after all.
>>>
>>> And dahm, this newer processor sure is getting complex. Seeing mention
>>> in the TRM to read other documents in relation to the various different
>>> cores. Like you eluded to above Robert. heh. Read the C6000 TRM, M4 TRM,
>>> plus what else ? On top of the 7483 pages already in the AM572x TRM . .
>>> .heh lots of reading to do . . .
>>>
>>> On Wed, Oct 14, 2015 at 8:58 PM, William Hermans 
>>> wrote:
>>>
 Robert,

 I'm curious, have you played at all with remoteproc / RPMsg at all ?
 Seems very interesting, but also complex in setup. Also, not so sure if
 anything other than TI-RTOS is supported on the various beagle products.
 But was more interested in something else, perhaps even bare metal.

 On Wed, Oct 14, 2015 at 8:19 PM, Robert Nelson  wrote:

> On Wed, Oct 14, 2015 at 10:01 PM, William Hermans 
> wrote:
> >> 7.1.1 Introduction
> >> The device instantiates two dual Cortex™-M4 image processor unit
> (IPU)
> >> subsystems:
> >> • IPU1 subsystem is available for general purpose usage
> >> • IPU2 subsystem is dedicated to IVA support and is not available
> for
> >> other processing
> >
> >
> > IVA support only for IPU2 is kind of a bummer . . .But I'm wondering
> if the
> > GPU could be used for GPGPU processing since it seems to sit on the
> L3
> > interconnect as well.
>
> Well there's opencl from ti for the dual c6000's.. ;)
>
> http://git.ti.com/gitweb/?p=opencl/ti-opencl.git;a=summary
>
> Regards,
>
> --
> Robert Nelson
> https://rcn-ee.com/
>
> --
> For more options, visit http://beagleboard.org/discuss
> ---
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> Groups "BeagleBoard" group.
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> an email to beagleboard+unsubscr...@googlegroups.com.
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>


>>> --
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>>>
>>
>>
>>
>> --
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>> Company - http://www.linkedin.com/company/mentorel
>> Facebook - https://www.facebook.com/mentorel.company
>>
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To 

[beagleboard] Profibus

[jan]

Hi,

I find very little info in this mailing list regarding Profibus.

Anyone with any experience?
Any free software stack?
Any interest in developing one if there is none?

Thanks,
Janne

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Re: [beagleboard] TI Announcement of the AM5728 and EVM

[Maxim Podbereznyy]

Imx6 plus is going to have M4 on die
15 Окт 2015 г. 19:38 пользователь "William Hermans" 
написал:

> *I presume DSPs and microcontrollers on die are a selling point for Sitara
>> AM57xx.  I'm curious if anyone knows if there are other suppliers that
>> offer ARM Cortex A series processor with microcontroller core(s) on die?*
>>
>
> IPU is a generic enough term one would think so, but I've never seen one
> yet. PRU< definately not, that is unique to TI.
>
> On Thu, Oct 15, 2015 at 8:29 AM, Drew Fustini  wrote:
>
>> I do like my Novena open hardware laptop with iMX6 :)
>>
>> I presume DSPs and microcontrollers on die are a selling point for Sitara
>> AM57xx.  I'm curious if anyone knows if there are other suppliers that
>> offer ARM Cortex A series processor with microcontroller core(s) on die?
>>
>> Thanks
>> Drew
>> On Oct 15, 2015 1:35 AM, "Maxim Podbereznyy"  wrote:
>>
>>> AM5728 for $75 @1k??? Ridiculously high price. I think imx6q is a better
>>> deal and the Plus version is on the way
>>>
>>> 2015-10-15 7:07 GMT+03:00 William Hermans :
>>>
 Also. . .

 *IVA support only for IPU2 is kind of a bummer . . .But I'm wondering
> if the GPU could be used for GPGPU processing since it seems to sit on the
> L3 interconnect as well.*
>

 I was under the impression, and quite incorrectly that each IPU
 mentioned in the TRM was a single processor. When in fact each IPU is a
 subsystem with 2 M4 cores, not singles. Which is good news after all.

 And dahm, this newer processor sure is getting complex. Seeing mention
 in the TRM to read other documents in relation to the various different
 cores. Like you eluded to above Robert. heh. Read the C6000 TRM, M4 TRM,
 plus what else ? On top of the 7483 pages already in the AM572x TRM . .
 .heh lots of reading to do . . .

 On Wed, Oct 14, 2015 at 8:58 PM, William Hermans 
 wrote:

> Robert,
>
> I'm curious, have you played at all with remoteproc / RPMsg at all ?
> Seems very interesting, but also complex in setup. Also, not so sure if
> anything other than TI-RTOS is supported on the various beagle products.
> But was more interested in something else, perhaps even bare metal.
>
> On Wed, Oct 14, 2015 at 8:19 PM, Robert Nelson <
> robertcnel...@gmail.com> wrote:
>
>> On Wed, Oct 14, 2015 at 10:01 PM, William Hermans 
>> wrote:
>> >> 7.1.1 Introduction
>> >> The device instantiates two dual Cortex™-M4 image processor unit
>> (IPU)
>> >> subsystems:
>> >> • IPU1 subsystem is available for general purpose usage
>> >> • IPU2 subsystem is dedicated to IVA support and is not available
>> for
>> >> other processing
>> >
>> >
>> > IVA support only for IPU2 is kind of a bummer . . .But I'm
>> wondering if the
>> > GPU could be used for GPGPU processing since it seems to sit on the
>> L3
>> > interconnect as well.
>>
>> Well there's opencl from ti for the dual c6000's.. ;)
>>
>> http://git.ti.com/gitweb/?p=opencl/ti-opencl.git;a=summary
>>
>> Regards,
>>
>> --
>> Robert Nelson
>> https://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.
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>>
>
>
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>>>
>>>
>>>
>>> --
>>> LinkedIn - http://www.linkedin.com/in/maximpodbereznyy
>>> Company - http://www.linkedin.com/company/mentorel
>>> Facebook - https://www.facebook.com/mentorel.company
>>>
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Re: [beagleboard] Profibus

['Mark Lazarewicz' via BeagleBoard]

One of the TI processors is for Industrial controls most of these PLC type 
comms stacks I saw used TI RTOS which is supported in E2E forum and they were 
not free.  The trend is changing exciting time chips like 2460 TI provides BLE 
zigbee stacks free they are built on TI RTOS the IoT is here wireless is the 
future! !! 

Sent from Yahoo Mail on Android

From:"j...@lillahusetiskogen.se" 
Date:Thu, Oct 15, 2015 at 1:41 PM
Subject:[beagleboard] Profibus

Hi,

I find very little info in this mailing list regarding Profibus.

Anyone with any experience?
Any free software stack?
Any interest in developing one if there is none?

Thanks,
Janne

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