Re: [beagleboard] Multiple IP camera streaming in BBB

[Vinayak Aghor]

Hello All,
I want to use IP camera Qorivva MPC5604EKIT.
http://www.freescale.com/webapp/sps/site/prod_summary.jsp?code=MPC5604EKIT&nodeId=01624606C1427E

This freescale indivisual board comes with preloaded software & IP 192.168.1.2

I will use 4 such boards then I want to combine these videos to get
combined view from all cameras.

WebRTC gives option for video chatting. Does this help to create usecase?

Regards,
Vinayak

On 12/19/14, Jesse Cobra  wrote:
> That's cool John...
> They have some cool samples
> http://googlechrome.github.io/webrtc/
>  On Dec 18, 2014 10:47 PM, "John Syn"  wrote:
>
>>
>> From: Jesse Cobra 
>> Reply-To: "beagleboard@googlegroups.com" 
>> Date: Thursday, December 18, 2014 at 10:28 PM
>> To: "beagleboard@googlegroups.com" 
>> Subject: Re: [beagleboard] Multiple IP camera streaming in BBB
>>
>> Sounds pretty simple, just use the Chromium browser on the BBB to look at
>> the 4 ipcams?
>> Assuming you are using ip cameras...
>>
>> Yeah, also look at:
>>
>> http://webrtc.org
>>
>> Regards,
>> John
>>
>>
>> On Thu, Dec 18, 2014 at 10:13 PM, Vinayak Aghor 
>> wrote:
>>>
>>> Hello All,
>>> I want to stream 4 camera inputs at once through BBB. I have ethernet
>>> switch which connects four 1MP camera and this ethernet switch connects
>>> to
>>> ethernet port of BBB.
>>> Please help me how to stream from all 4 cameras at once. So I can check
>>> video on HDMI port. Please help what points i need to consider while
>>> designing.
>>>
>>> Regards,
>>> Vinayak
>>>
>>> --
>>> For more options, visit http://beagleboard.org/discuss
>>> ---
>>> You received this message because you are subscribed to the Google
>>> Groups
>>> "BeagleBoard" group.
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>> --
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Regards,
Vinayak  R. Aghor

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Re: [beagleboard] Multiple IP camera streaming in BBB

[Jesse Cobra]

That's cool John...
They have some cool samples
http://googlechrome.github.io/webrtc/
 On Dec 18, 2014 10:47 PM, "John Syn"  wrote:

>
> From: Jesse Cobra 
> Reply-To: "beagleboard@googlegroups.com" 
> Date: Thursday, December 18, 2014 at 10:28 PM
> To: "beagleboard@googlegroups.com" 
> Subject: Re: [beagleboard] Multiple IP camera streaming in BBB
>
> Sounds pretty simple, just use the Chromium browser on the BBB to look at
> the 4 ipcams?
> Assuming you are using ip cameras...
>
> Yeah, also look at:
>
> http://webrtc.org
>
> Regards,
> John
>
>
> On Thu, Dec 18, 2014 at 10:13 PM, Vinayak Aghor 
> wrote:
>>
>> Hello All,
>> I want to stream 4 camera inputs at once through BBB. I have ethernet
>> switch which connects four 1MP camera and this ethernet switch connects to
>> ethernet port of BBB.
>> Please help me how to stream from all 4 cameras at once. So I can check
>> video on HDMI port. Please help what points i need to consider while
>> designing.
>>
>> Regards,
>> Vinayak
>>
>> --
>> For more options, visit http://beagleboard.org/discuss
>> ---
>> You received this message because you 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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Re: [beagleboard] Multiple IP camera streaming in BBB

[John Syn]

From:  Jesse Cobra 
Reply-To:  "beagleboard@googlegroups.com" 
Date:  Thursday, December 18, 2014 at 10:28 PM
To:  "beagleboard@googlegroups.com" 
Subject:  Re: [beagleboard] Multiple IP camera streaming in BBB

> Sounds pretty simple, just use the Chromium browser on the BBB to look at the
> 4 ipcams?
> Assuming you are using ip cameras...
Yeah, also look at:

http://webrtc.org

Regards,
John
> 
> On Thu, Dec 18, 2014 at 10:13 PM, Vinayak Aghor 
> wrote:
>> Hello All,
>> I want to stream 4 camera inputs at once through BBB. I have ethernet switch
>> which connects four 1MP camera and this ethernet switch connects to ethernet
>> port of BBB.
>> Please help me how to stream from all 4 cameras at once. So I can check video
>> on HDMI port. Please help what points i need to consider while designing.
>>  
>> Regards,
>> Vinayak
>> -- 
>> For more options, visit http://beagleboard.org/discuss
>> --- 
>> You received this message because you are subscribed to the Google Groups
>> "BeagleBoard" group.
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>> email to beagleboard+unsubscr...@googlegroups.com.
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> 
> -- 
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Re: [beagleboard] How to resolve expired GPG key

[John Syn]

From:  "beagleboard@googlegroups.com" 
Reply-To:  "beagleboard@googlegroups.com" 
Date:  Thursday, December 18, 2014 at 10:24 PM
To:  "beagleboard@googlegroups.com" 
Subject:  [beagleboard] How to resolve expired GPG key

> I've successfully updated two BBB to the latest 2014-12-11 Debian image.  I
> ran into a small problem trying to upgrade one more.
> 
> When executing sudo apt-get update I'm seeing a GPG error that the other two
> boards didn't have.  Any help resolving this would be appreciated!
> 
> debian@beaglebone:~$ uname -a
> Linux beaglebone 3.8.13-bone68 #1 SMP Sat Nov 22 02:12:03 UTC 2014 armv7l
> GNU/Linux
> debian@beaglebone:~$ cat /etc/dogtag
> BeagleBoard.org Debian Image 2014-12-11
> 
> debian@beaglebone:~$ sudo apt-get update
> Hit http://repos.rcn-ee.net wheezy Release.gpg
> Hit http://ftp.us.debian.org wheezy Release.gpg
> Get:1 http://debian.beagleboard.org wheezy-bbb Release.gpg [490 B]
> Hit http://repos.rcn-ee.net wheezy Release
> Hit http://security.debian.org wheezy/updates Release.gpg
> Hit http://ftp.us.debian.org wheezy-updates Release.gpg
> Hit http://debian.beagleboard.org wheezy-bbb Release
> Hit http://security.debian.org wheezy/updates Release
> Ign http://debian.beagleboard.org wheezy-bbb Release
> Hit http://ftp.us.debian.org wheezy Release
> Hit http://repos.rcn-ee.net wheezy/main armhf Packages
> Hit http://ftp.us.debian.org wheezy-updates Release
> Hit http://debian.beagleboard.org wheezy-bbb/main armhf Packages
> Hit http://security.debian.org wheezy/updates/main armhf Packages
> Hit http://security.debian.org wheezy/updates/contrib armhf Packages
> Hit http://security.debian.org wheezy/updates/non-free armhf Packages
> Hit http://ftp.us.debian.org wheezy/main armhf Packages
> Hit http://ftp.us.debian.org wheezy/contrib armhf Packages
> Hit http://ftp.us.debian.org wheezy/non-free armhf Packages
> Hit http://ftp.us.debian.org wheezy-updates/main armhf Packages
> Hit http://ftp.us.debian.org wheezy-updates/contrib armhf Packages
> Hit http://ftp.us.debian.org wheezy-updates/non-free armhf Packages
> Fetched 490 B in 8s (57 B/s)
> Reading package lists... Done
> W: GPG error: http://debian.beagleboard.org wheezy-bbb Release: The following
> signatures were invalid: KEYEXPIRED 1418840246 KEYEXPIRED 1418840304
> KEYEXPIRED 1418840246 KEYEXPIRED 1418840246 KEYEXPIRED 1418840304
My guess is your date/time is wrong. Try "sudo ntpdate-debian² and try
again. 

Regards,
John
> 
> -- Scott
> 
> -- 
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Re: [beagleboard] A new camera board for the Beagleboeard XM - Vifff-024

[John Syn]

From:  Hristo Laftchiev 
Reply-To:  "beagleboard@googlegroups.com" 
Date:  Thursday, December 18, 2014 at 8:37 PM
To:  "beagleboard@googlegroups.com" 
Subject:  Re: [beagleboard] A new camera board for the Beagleboeard XM -
Vifff-024

> I think that the problem with every processor is to manage also the Image
> Signal Processor, which is
> the entry port of the video stream toward the main processor memory space.
> With the new processor
> (compatible with Cortex A-15 but which one? - omap5 or ?) one must redo the
> drivers for the ISP
> and also change the boaromap3beagle.c file in the Linux kernel with
> appropriate settings
> for the camera. I hope also that the camera port will be also pin to pin
> compatible with the cameras
> for Beagleboard XM. So, let me resume:
> 1. Beagle Bone can have camera attached, but not through the natural ISP of
> the processor.
> 2. BBB - I must see.
> 3. BB-XM is for now the ideal choice from the Beagle family of boards to
> attach a camera.
> 4. BB-A15 is in the future and we do not know how much time will take to write
> the appropriate drivers for the ISP
> of the unknown processor. For the BB-XM (DM3730 is OMAP3 architecture), before
> the drivers became really well functioning
> it took 2,5 years of development. The right persons to ask about future camera
> compatibility of this are J. Kridner or L. Pinchart.
> Because the software support for the ISP of the processor is decisive for the
> appearance of working camera boards for it.
> So for now, we stay with BB-XM, which works, it has enough processor power +
> DSP and is very stable.
You raise some good points. Beagleboard-X15 is based on DRA7 architecture
which is the next generation after OMAP5 targeted at the Automotive industry
(at least that is my understanding). One issue with DM3730 is that there is
no SysLink equivalent (RPMSG/REMOTEPROC) that works in Linux Kernels after
V3.4, which means you cannot use the DSP unless you implement RPC and Remote
DSP load yourself. RPMSG/REMOTEPROC is already working on Beagleboard-X15
and TI expect to push this into mainline early 2015. From what Robert Nelson
tells us, Beagleboard-X15 kernel V3.18 is mostly in mainline and there are
very few patches. I¹ll wait for Robert to respond as to the status of X15
camera support. 

Regards,
John
> 
> Cheers,
> Hristo
> 
> 
> On Friday, December 19, 2014 12:11:08 AM UTC+2, john3909 wrote:
>> 
>> On 12/18/14, 1:58 PM, "Rick Mann"  >
>> wrote: 
>> 
>>> > 
 >> On Dec 18, 2014, at 13:56 , John Syn  >
 wrote: 
 >> 
 >> Better to wait for the BeagleBoard-X15 which will have the camera
 >> interface. 
>>> > 
>>> >Oh, goodness, how long do I have to wait for that beauty?
>> Scheduled for Feb, 2015
>>> > 
>>> >-- 
>>> >Rick Mann 
>>> >rm...@latencyzero.com 
>>> > 
>>> > 
>>> >-- 
>>> >For more options, visit http://beagleboard.org/discuss
>>> >--- 
>>> >You received this message because you are subscribed to the Google Groups
>>> >"BeagleBoard" group.
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>>> >email to beagleboard...@googlegroups.com  .
>>> >For more options, visit https://groups.google.com/d/optout.
>> 
>> 
> 
> -- 
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Re: [beagleboard] Multiple IP camera streaming in BBB

[Jesse Cobra]

Sounds pretty simple, just use the Chromium browser on the BBB to look at
the 4 ipcams?
Assuming you are using ip cameras...

On Thu, Dec 18, 2014 at 10:13 PM, Vinayak Aghor 
wrote:
>
> Hello All,
> I want to stream 4 camera inputs at once through BBB. I have ethernet
> switch which connects four 1MP camera and this ethernet switch connects to
> ethernet port of BBB.
> Please help me how to stream from all 4 cameras at once. So I can check
> video on HDMI port. Please help what points i need to consider while
> designing.
>
> Regards,
> Vinayak
>
> --
> For more options, visit http://beagleboard.org/discuss
> ---
> You received this message because you are subscribed to the Google Groups
> "BeagleBoard" group.
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> email to beagleboard+unsubscr...@googlegroups.com.
> For more options, visit https://groups.google.com/d/optout.
>

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[beagleboard] How to resolve expired GPG key

['Scott W' via BeagleBoard]

I've successfully updated two BBB to the latest 2014-12-11 Debian image.  I 
ran into a small problem trying to upgrade one more.

When executing sudo apt-get update I'm seeing a GPG error that the other 
two boards didn't have.  Any help resolving this would be appreciated!

debian@beaglebone:~$ uname -a
Linux beaglebone 3.8.13-bone68 #1 SMP Sat Nov 22 02:12:03 UTC 2014 armv7l 
GNU/Linux
debian@beaglebone:~$ cat /etc/dogtag
BeagleBoard.org Debian Image 2014-12-11

debian@beaglebone:~$ sudo apt-get update
Hit http://repos.rcn-ee.net wheezy Release.gpg
Hit http://ftp.us.debian.org wheezy Release.gpg
Get:1 http://debian.beagleboard.org wheezy-bbb Release.gpg [490 B]
Hit http://repos.rcn-ee.net wheezy Release
Hit http://security.debian.org wheezy/updates Release.gpg
Hit http://ftp.us.debian.org wheezy-updates Release.gpg
Hit http://debian.beagleboard.org wheezy-bbb Release
Hit http://security.debian.org wheezy/updates Release
Ign http://debian.beagleboard.org wheezy-bbb Release
Hit http://ftp.us.debian.org wheezy Release
Hit http://repos.rcn-ee.net wheezy/main armhf Packages
Hit http://ftp.us.debian.org wheezy-updates Release
Hit http://debian.beagleboard.org wheezy-bbb/main armhf Packages
Hit http://security.debian.org wheezy/updates/main armhf Packages
Hit http://security.debian.org wheezy/updates/contrib armhf Packages
Hit http://security.debian.org wheezy/updates/non-free armhf Packages
Hit http://ftp.us.debian.org wheezy/main armhf Packages
Hit http://ftp.us.debian.org wheezy/contrib armhf Packages
Hit http://ftp.us.debian.org wheezy/non-free armhf Packages
Hit http://ftp.us.debian.org wheezy-updates/main armhf Packages
Hit http://ftp.us.debian.org wheezy-updates/contrib armhf Packages
Hit http://ftp.us.debian.org wheezy-updates/non-free armhf Packages
Fetched 490 B in 8s (57 B/s)
Reading package lists... Done
*W: GPG error: http://debian.beagleboard.org wheezy-bbb Release: The 
following signatures were invalid: KEYEXPIRED 1418840246 KEYEXPIRED 
1418840304 KEYEXPIRED 1418840246 KEYEXPIRED 1418840246 KEYEXPIRED 
1418840304*

-- Scott

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[beagleboard] Multiple IP camera streaming in BBB

[Vinayak Aghor]

Hello All,
I want to stream 4 camera inputs at once through BBB. I have ethernet 
switch which connects four 1MP camera and this ethernet switch connects to 
ethernet port of BBB.
Please help me how to stream from all 4 cameras at once. So I can check 
video on HDMI port. Please help what points i need to consider while 
designing.
 
Regards,
Vinayak

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Re: [beagleboard] Include fbTFT in the mainline Linux kernel

[Robert Nelson]

On Thu, Dec 18, 2014 at 7:34 PM, Newton  wrote:
> Any News ?
> I tried to compile the kernel(3.8) by myself with fbtft without any success
> :/

I'm still waiting for hardware. ;) So i haven't touched it yet.

Regards,

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

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Re: [beagleboard] Include fbTFT in the mainline Linux kernel

[William Hermans]

Well considering the rPI is armv5 versus armv7 on the beaglebone black . .
. You probably have some "porting" to do.

On Thu, Dec 18, 2014 at 6:34 PM, Newton  wrote:
>
> Any News ?
> I tried to compile the kernel(3.8) by myself with fbtft without any
> success :/
>
> Le lundi 15 décembre 2014 02:32:40 UTC+1, Newton a écrit :
>
>> I have not tested it yet (I'll probably do it soon, but must I learn
>> about kernel compilation etc), so I can not real advise you.
>> Anyway thank you for responding so quickly and sorry for syntax errors in
>> my first post I did not read me: p
>>
>>
>> Le lundi 15 décembre 2014 01:20:39 UTC+1, RobertCNelson a écrit :
>>>
>>> On Sun, Dec 14, 2014 at 6:15 PM, Newton  wrote:
>>> > Hello,
>>> >
>>> > I think it's a good idea to include fbTFT drivers into the mainline
>>> Linux
>>> > kernel(the Beaglebone fork of course). This will permit the use of
>>> low-cost
>>> > screens more easily. Because Actually except for "official" capes it
>>> is
>>> > really hard to develop with screens, and generally with objects "non
>>> > officiales"
>>> >
>>> > https://github.com/notro/fbtft
>>>
>>> Very cool, do you have reference tft device i should pick up for
>>> testing, before i merge these into our "3.8" and "3.14" bb.org
>>> branches?
>>>
>>> Regards,
>>>
>>> --
>>> Robert Nelson
>>> http://www.rcn-ee.com/
>>>
>>  --
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Re: [beagleboard] A new camera board for the Beagleboeard XM - Vifff-024

[Hristo Laftchiev]

I think that the problem with every processor is to manage also the Image 
Signal Processor, which is
the entry port of the video stream toward the main processor memory space. 
With the new processor
(compatible with Cortex A-15 but which one? - omap5 or ?) one must redo the 
drivers for the ISP 
and also change the boaromap3beagle.c file in the Linux kernel with 
appropriate settings
for the camera. I hope also that the camera port will be also pin to pin 
compatible with the cameras 
for Beagleboard XM. So, let me resume:
1. Beagle Bone can have camera attached, but not through the natural ISP of 
the processor.
2. BBB - I must see.
3. BB-XM is for now the ideal choice from the Beagle family of boards to 
attach a camera.
4. BB-A15 is in the future and we do not know how much time will take to 
write the appropriate drivers for the ISP 
of the unknown processor. For the BB-XM (DM3730 is OMAP3 architecture), 
before the drivers became really well functioning
it took 2,5 years of development. The right persons to ask about future 
camera compatibility of this are J. Kridner or L. Pinchart.
Because the software support for the ISP of the processor is decisive for 
the appearance of working camera boards for it.
So for now, we stay with BB-XM, which works, it has enough processor power 
+ DSP and is very stable.
Cheers,
Hristo


On Friday, December 19, 2014 12:11:08 AM UTC+2, john3909 wrote:
>
>
> On 12/18/14, 1:58 PM, "Rick Mann" > 
> wrote: 
>
> > 
> >> On Dec 18, 2014, at 13:56 , John Syn > 
> wrote: 
> >> 
> >> Better to wait for the BeagleBoard-X15 which will have the camera 
> >> interface. 
> > 
> >Oh, goodness, how long do I have to wait for that beauty? 
> Scheduled for Feb, 2015 
> > 
> >-- 
> >Rick Mann 
> >rm...@latencyzero.com  
> > 
> > 
> >-- 
> >For more options, visit http://beagleboard.org/discuss 
> >--- 
> >You received this message because you are subscribed to the Google Groups 
> >"BeagleBoard" group. 
> >To unsubscribe from this group and stop receiving emails from it, send an 
> >email to beagleboard...@googlegroups.com . 
> >For more options, visit https://groups.google.com/d/optout. 
>
>
>

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[beagleboard] Re: Internal error messages

[Tommi]

Ooops it did it again..*trallalla*

Just got exactly the same error again. only the numbers in the brackets [] 
are different, but I suspect this is system time or something. 

So I guess there is nothing I can do?

Bought the beaglebone in summer, and have been playing with it since. For 
most of the time it has been lying on my desk without case or so, therefore 
I guess heat should not be an issue (also at nights it gets well below 20 C 
indoors these times!)

On Tuesday, December 16, 2014 11:42:53 AM UTC-5, david turvene wrote:
>
> On Monday, December 15, 2014 9:04:48 PM UTC-5, Tommi wrote:
>>
>> Hey, 
>>
>> I am running the BBB with btsync and had it running for a while backuping 
>> a larger chunk of data. I was away and when I came back I saw the following 
>> messages. (line breaks a bit funny)
>>
>> What are they supposed to mean? The BBB is still running and did probably 
>> not restart as the Putty session was still active when I saw the messages. 
>>
>
> Yeah, that's an interesting one and immediately got my attention because 
> there two kernel errors in your listing and no other indications.   Both 
> are thrown by the Power Reset Module (PRM) IRQ located at 44e0b000 on the 
> L4_WKUP bus.
>
> 1) Error 1028 - I have no idea what it is but my guess is there's a bit 
> mask 1024 | 4 somewhere that explains it.
> 2) Oops 17 - This is an MMU page fault error indicating (again a big 
> guess!) there is something wrong reading/writing a memory page.
>
> I suspect a momentary blip (heat or EMI related maybe) that caused an 
> L4_WKUP bus hiccup.  OR, if you have been using this BBB for a long time 
> the eMMC flash might be getting to end-of-life (which is accelerated in a 
> hot environment.)  If that is the case, you will see more and more MMU 
> faults.
>
>
>

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Re: [beagleboard] which program language is better for BBB

[Rick Reynolds]

Nah... Just go for the COBOL.

http://sourceforge.net/projects/open-cobol/

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Re: [beagleboard] Include fbTFT in the mainline Linux kernel

[Newton]

Any News ? 
I tried to compile the kernel(3.8) by myself with fbtft without any success 
:/

Le lundi 15 décembre 2014 02:32:40 UTC+1, Newton a écrit :
>
> I have not tested it yet (I'll probably do it soon, but must I learn about 
> kernel compilation etc), so I can not real advise you.
> Anyway thank you for responding so quickly and sorry for syntax errors in 
> my first post I did not read me: p
>
>
> Le lundi 15 décembre 2014 01:20:39 UTC+1, RobertCNelson a écrit :
>>
>> On Sun, Dec 14, 2014 at 6:15 PM, Newton  wrote: 
>> > Hello, 
>> > 
>> > I think it's a good idea to include fbTFT drivers into the mainline 
>> Linux 
>> > kernel(the Beaglebone fork of course). This will permit the use of 
>> low-cost 
>> > screens more easily. Because Actually except for "official" capes it is 
>> > really hard to develop with screens, and generally with objects "non 
>> > officiales" 
>> > 
>> > https://github.com/notro/fbtft 
>>
>> Very cool, do you have reference tft device i should pick up for 
>> testing, before i merge these into our "3.8" and "3.14" bb.org 
>> branches? 
>>
>> Regards, 
>>
>> -- 
>> Robert Nelson 
>> http://www.rcn-ee.com/ 
>>
>

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Re: [beagleboard] Re: debian: release candidate: 2014-12-11

[Graham Haddock]

Robert:

Thanks for the update.
Looking forward to a clean 'jessie' release.

Thanks for all your work.

--- Graham

==

On Thu, Dec 18, 2014 at 5:59 PM, Robert Nelson 
wrote:
>
> On Fri, Dec 12, 2014 at 5:52 PM, Robert Nelson 
> wrote:
> > On Fri, Dec 12, 2014 at 5:44 PM, Graham  wrote:
> >> Robert:
> >> Thanks for the new release.
> >>
> >> I installed on a BBB Rev-C and get the follow boot failure involving the
> >> Hostname service.
> >>
> >> Is there something I need to add or remove?
> >>
> >> Thanks,
> >> --- Graham
> >>
> >> ==
> >>
> >>
> >>
> >> Loading, please wait...
> >> [7.727431] systemd-fsck[151]: rootfs: clean, 70870/230144 files,
> >> 404392/919296 blocks
> >> [   15.925018] libphy: PHY 4a101000.mdio:01 not found
> >> [   15.930059] net eth0: phy 4a101000.mdio:01 not found on slave 1
> >> [FAILED] Failed to start Hostname Service.
> >> See 'systemctl status systemd-hostnamed.service' for details.
> >> [  OK  ] Started Light Display Manager.
> >> [  OK  ] Created slice user-1000.slice.
> >>  Starting User Manager for UID 1000...
> >>
> >> Debian GNU/Linux 8 BBB3 ttyO0
> >
> > I'm "mostly" sure this is a kernel config issue, i still need to
> > re-review systemd's requirements.
>
> Just a small update, "[FAILED] Failed to start Hostname Service." is
> now fixed, just noise from a mis-configured kernel config.. update not
> release yet, waiting for ti to rebase on the new v3.14.x from
> kernel.org
>
> Regards,
>
> --
> Robert Nelson
> http://www.rcn-ee.com/
>
> --
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Re: [beagleboard] GPIO AINx output fluctuations

[evilwulfie]

normally your agnd will be connected to your dgnd in one place so both
are at the same potential.


On 12/18/2014 5:45 PM, Chad Baker wrote:
> Analog or digital ground? The two are different.
> The digital ground will appear to float since the two are not connected.
> AGND is at P9-34, whereas GND is P9-1, P9-2, P9-43->46 and P8-1, P8-2.
>
> Chad
>
> On 12/18/2014 11:44 AM, mab.mobile...@gmail.com wrote:
>> Hello,
>>
>> I am trying use the Beaglebone Black to monitor a smoke detector
>> activation. I have two wires coming from the smoke detector, ground
>> and positive lead. The voltage on the wires will go to 0.6v when the
>> detector is activated. I have the ground connected to the P9 header
>> GNDA_ADC and the positive wire from the detector going to AIN6. When
>> monitoring the base values of AIN6 without the detector being
>> activated I get a wide range of values. Example output below...
>>
>>  pin AIN6 value is 2
>> pin AIN6 value is 105
>> pin AIN6 value is 0
>> pin AIN6 value is 0
>> pin AIN6 value is 687
>> pin AIN6 value is 195
>> pin AIN6 value is 29
>> pin AIN6 value is 1799
>> pin AIN6 value is 182
>> pin AIN6 value is 0
>>
>> When the detector is activated the AIN6 value will just be above
>> 1000. However the random base values frequently exceed 1000 as well
>> resulting in a lot of false positive activations.
>>
>> My questions..
>>
>> 1. Why is there so much variance in the base AIN values when no
>> voltage is being applied? Should it not be near or at zero?
>> 2. What can I do to remedy this so I can get consistently low
>> baseline AIN values so I do not generate false positive activations?
>>
>> Please remember - newbie question with very basic knowledge of
>> electronics.
>>
>> Thanks
>>
>>
>>
>> -- 
>> For more options, visit http://beagleboard.org/discuss
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>
>
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Re: [beagleboard] GPIO AINx output fluctuations

[Chad Baker]

Analog or digital ground? The two are different.
The digital ground will appear to float since the two are not connected.
AGND is at P9-34, whereas GND is P9-1, P9-2, P9-43->46 and P8-1, P8-2.

Chad

On 12/18/2014 11:44 AM, mab.mobile...@gmail.com wrote:

Hello,

I am trying use the Beaglebone Black to monitor a smoke detector 
activation. I have two wires coming from the smoke detector, ground 
and positive lead. The voltage on the wires will go to 0.6v when the 
detector is activated. I have the ground connected to the P9 header 
GNDA_ADC and the positive wire from the detector going to AIN6. When 
monitoring the base values of AIN6 without the detector being 
activated I get a wide range of values. Example output below...


 pin AIN6 value is 2
pin AIN6 value is 105
pin AIN6 value is 0
pin AIN6 value is 0
pin AIN6 value is 687
pin AIN6 value is 195
pin AIN6 value is 29
pin AIN6 value is 1799
pin AIN6 value is 182
pin AIN6 value is 0

When the detector is activated the AIN6 value will just be above 1000. 
However the random base values frequently exceed 1000 as well 
resulting in a lot of false positive activations.


My questions..

1. Why is there so much variance in the base AIN values when no 
voltage is being applied? Should it not be near or at zero?
2. What can I do to remedy this so I can get consistently low baseline 
AIN values so I do not generate false positive activations?


Please remember - newbie question with very basic knowledge of 
electronics.


Thanks



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Re: [beagleboard] Re: debian: release candidate: 2014-12-11

[Robert Nelson]

On Fri, Dec 12, 2014 at 5:52 PM, Robert Nelson  wrote:
> On Fri, Dec 12, 2014 at 5:44 PM, Graham  wrote:
>> Robert:
>> Thanks for the new release.
>>
>> I installed on a BBB Rev-C and get the follow boot failure involving the
>> Hostname service.
>>
>> Is there something I need to add or remove?
>>
>> Thanks,
>> --- Graham
>>
>> ==
>>
>>
>>
>> Loading, please wait...
>> [7.727431] systemd-fsck[151]: rootfs: clean, 70870/230144 files,
>> 404392/919296 blocks
>> [   15.925018] libphy: PHY 4a101000.mdio:01 not found
>> [   15.930059] net eth0: phy 4a101000.mdio:01 not found on slave 1
>> [FAILED] Failed to start Hostname Service.
>> See 'systemctl status systemd-hostnamed.service' for details.
>> [  OK  ] Started Light Display Manager.
>> [  OK  ] Created slice user-1000.slice.
>>  Starting User Manager for UID 1000...
>>
>> Debian GNU/Linux 8 BBB3 ttyO0
>
> I'm "mostly" sure this is a kernel config issue, i still need to
> re-review systemd's requirements.

Just a small update, "[FAILED] Failed to start Hostname Service." is
now fixed, just noise from a mis-configured kernel config.. update not
release yet, waiting for ti to rebase on the new v3.14.x from
kernel.org

Regards,

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

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Re: [beagleboard] Direct PRU pins available?

[Charles Steinkuehler]

On 12/18/2014 5:12 PM, Charles Kerr wrote:
> But that is the BBB  isn't it? (I have used that). Was curious about the 
> X15.

There is some data publicly available for the X15 processor:

http://www.ti.com/general/docs/lit/getliterature.tsp?baseLiteratureNumber=spruhz6

...but the info I posted earlier was for the BeagleBone and the AM335x,
as it wasn't clear (to me) you were asking about the X15.

As for how many PRU pins will be available (pinned out to accessible
connectors), that depends on the schematic which isn't available yet.

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

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Re: [beagleboard] Direct PRU pins available?

[John Syn]

From:  Charles Kerr 
Reply-To:  "beagleboard@googlegroups.com" 
Date:  Thursday, December 18, 2014 at 3:12 PM
To:  "beagleboard@googlegroups.com" 
Subject:  Re: [beagleboard] Direct PRU pins available?

> But that is the BBB  isn't it? (I have used that). Was curious about the X15.
Knowing Gerald, he isn¹t going to talk about this until after the
BeagleBoard-X15 is released in Feb, 2015.

Regards,
John
> 
> 
> On Thursday, December 18, 2014 4:49:52 PM UTC-5, Gerald wrote:
>> That is covered in the SRM.
>> http://www.elinux.org/Beagleboard:BeagleBoneBlack#LATEST_PRODUCTION_FILES_.28
>> C.29
>> 
>> 
>> Gerald
>> 
>> 
>> On Thu, Dec 18, 2014 at 3:39 PM, Charles Kerr >  > wrote:
>>> Was curious how many PRU pins (on each PRU) would be available for direct
>>> mapping to R30/R31 of the PRU?  One of the drawbacks I have with the BBB is
>>> the limited direct access pins for output on both PRUs (after you use the
>>> FLASH and a few peripherals).
>>> 
>>> This board looks like it might be a really nice package.
>>> -- 
>>> For more options, visit http://beagleboard.org/discuss
>>> --- 
>>> You received this message because you are subscribed to the Google Groups
>>> "BeagleBoard" group.
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>>> email to beagleboard...@googlegroups.com  .
>>> For more options, visit https://groups.google.com/d/optout.
>> 
>> 
>> -- 
>> Gerald
>>  
>> ger...@beagleboard.org 
>> http://beagleboard.org/ 
>> http://circuitco.com/support/ 
> -- 
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Re: [beagleboard] Direct PRU pins available?

[Charles Kerr]

But that is the BBB  isn't it? (I have used that). Was curious about the 
X15.

On Thursday, December 18, 2014 4:49:52 PM UTC-5, Gerald wrote:
>
> That is covered in the SRM. 
> http://www.elinux.org/Beagleboard:BeagleBoneBlack#LATEST_PRODUCTION_FILES_.28C.29
>
>
> Gerald
>
>
> On Thu, Dec 18, 2014 at 3:39 PM, Charles Kerr  > wrote:
>>
>> Was curious how many PRU pins (on each PRU) would be available for direct 
>> mapping to R30/R31 of the PRU?  One of the drawbacks I have with the BBB is 
>> the limited direct access pins for output on both PRUs (after you use the 
>> FLASH and a few peripherals).
>>
>> This board looks like it might be a really nice package.
>>
>> -- 
>> For more options, visit http://beagleboard.org/discuss
>> --- 
>> You received this message because you are subscribed to the Google Groups 
>> "BeagleBoard" group.
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>> email to beagleboard...@googlegroups.com .
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>>
>
>
> -- 
> Gerald
>  
> ger...@beagleboard.org 
> http://beagleboard.org/
> http://circuitco.com/support/
>  

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Re: [beagleboard] interfacing GSM module with Beagle board xm

[John Syn]

From:  noob 
Reply-To:  "beagleboard@googlegroups.com" 
Date:  Tuesday, December 16, 2014 at 10:51 PM
To:  "beagleboard@googlegroups.com" 
Subject:  [beagleboard] interfacing GSM module with Beagle board xm

> Hello .
>  I want to start with a project in which i have to interface GSM 300 module
> with Beagle Board xm. And then sending a sms after specific interval . I'm new
> to this area. I want to know the details about how to interface GSM module
> with Beagle Board xm and how to make board to control the module .
>  please help me to understand considering i'm new to this field.
>  thank you. 
The interface is normally a serial connection and you use predefined AT
commands to dial and setup the connection.

http://www.engineersgarage.com/contribution/how-to-interface-GSM-SIM-300-mod
em-with-atmega32-to-send-and-receive-SMS

Regards,
John
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> 
> -- 
> For more options, visit http://beagleboard.org/discuss
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Re: [beagleboard] connect Capacitive Touch Sensors on BBB

[John Syn]

From:  
Reply-To:  "beagleboard@googlegroups.com" 
Date:  Wednesday, December 17, 2014 at 5:36 AM
To:  "beagleboard@googlegroups.com" 
Subject:  [beagleboard] connect  Capacitive Touch Sensors on BBB

> hi.
> I bought 4DCAPE_70T  lcd from http://www.4dsystems.com.au/product/4DCAPE_70T/.
> this lcd has a resistive touch screen the question is, is there any way to
> connect capacitive touch screen to  that lcd? and does debian image of BBB
> support capacitive touch ?
> is the answer is positive please guide me how i can do this ?
Typically, the capacitive touch sensor is connected via USB. The one I used
was from Chalk Elec which is LCD with Capacitive Touch sensor already
attached to the display. This does work with BBB.

http://www.chalk-elec.com/

Regards,
John
> 
> 
> thank you
> 
> -- 
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Re: [beagleboard] Direct PRU pins available?

[Charles Steinkuehler]

On 12/18/2014 3:39 PM, Charles Kerr wrote:
> Was curious how many PRU pins (on each PRU) would be available for direct 
> mapping to R30/R31 of the PRU?  One of the drawbacks I have with the BBB is 
> the limited direct access pins for output on both PRUs (after you use the 
> FLASH and a few peripherals).

I've got a pinout spreadsheet color-coded with PRU I/O (and GPIO bank
numbers and other useful info) in github:

https://github.com/cdsteinkuehler/beaglebone-black-pinmux/blob/hal_pru_generic/pinmux.ods

If you're wanting to do output, you can use standard GPIO pins (accessed
via the internal SoC L4_PERport1 bus) for all but the most timing
sensitive applications.  The writes get posted so they don't stall the
PRU unless you do a bunch of them back-to-back, and the total latency is
only around 100 ns.  I've got timing details from tests I ran in some
code comments:

https://github.com/machinekit/machinekit/blob/master/src/hal/drivers/hal_pru_generic/pru_generic.p#L135-L163

For inputs, you really *DO* want to use the direct PRU pins, as it takes
about 165 nS to read from a GPIO register via the SoC fabric, vs one 5
nS PRU clock for the direct inputs.

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

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Re: [beagleboard] Gesture Recognition System

[John Syn]

From:  biswesh panda 
Reply-To:  "beagleboard@googlegroups.com" 
Date:  Thursday, December 18, 2014 at 12:52 PM
To:  "beagleboard@googlegroups.com" 
Subject:  Re: [beagleboard] Gesture Recognition System

> Thank you for the advice. But I'm a student and a newbie and experimenting out
> on things. So can you say about the efficient edge detection algorithms?
I don¹t know enough to offer any advice but I asked my brother-in-law who
does image recognition for JPL and he suggested Canny.

http://www.robotix.in/tutorials/category/opencv/edge_detection

Regards,
John
> 
> 
> 
> On Friday, December 19, 2014 1:34:03 AM UTC+5:30, john3909 wrote:
>> 
>> From:  biswesh panda 
>> Reply-To:  "beagleboard@googlegroups.com" 
>> Date:  Thursday, December 18, 2014 at 10:59 AM
>> To:  "beagleboard@googlegroups.com" 
>> Subject:  [beagleboard] Gesture Recognition System
>> 
>>> I am working on a project where I'm trying to capture different kinds of
>>> gestures that mute people generally make and try to link it to a audio file
>>> which conveys the meaning of that particular gesture. I'm using opencv for
>>> computer vision applications and BeagleBone Black. Can you tell me which
>>> edge detection algorithms will be best suited for me? The challenge that I
>>> may face are-
>>> 1) The color intensity of the hand may match with that of the sourrounding.
>>> 2) There's no guarantee that the background will be moving or will it be in
>>> a standstill.
>>> 
>>> Another thing is the efficiency of the algorithm should be fast so as to
>>> recognize the gestures quickly.
>> I think the BBB won¹t have the horsepower to do what you want. The next
>> product called BeagleBoard-X15 will be more suitable for this application and
>> is scheduled for release sometime in Feb 2015.
>> 
>> Regards,
>> John
>>> 
>>> 
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Re: [beagleboard] Is There a way to build graphic apps with BBone Black?

[Rick Mann]

> On Dec 18, 2014, at 00:29 , mark.e.ri...@gmail.com wrote:
> 
> Have you tried writing direct to the Video Frame Buffer, I have.

I wrote an app that used SDL, but it had to use (I think) a software frame 
buffer, something about there not being support in the kernel for some hardware 
frame buffer? I'm not sure what it was. But I'd love to be able to use SDL to 
take over the entire display, and not use any kind of desktop or window manager 
(that's just buckets of more code that slow boot/launch times).

For my app, fast update wasn't necessary (it was a process automation 
controller-type thing), but it would be nice to be able to draw as fast as 
possible with SDL.

Does this work now?

Thanks!

-- 
Rick Mann
rm...@latencyzero.com


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Re: [beagleboard] A new camera board for the Beagleboeard XM - Vifff-024

[John Syn]

On 12/18/14, 1:58 PM, "Rick Mann"  wrote:

>
>> On Dec 18, 2014, at 13:56 , John Syn  wrote:
>> 
>> Better to wait for the BeagleBoard-X15 which will have the camera
>> interface.
>
>Oh, goodness, how long do I have to wait for that beauty?
Scheduled for Feb, 2015
>
>-- 
>Rick Mann
>rm...@latencyzero.com
>
>
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Re: [beagleboard] A new camera board for the Beagleboeard XM - Vifff-024

[Rick Mann]

> On Dec 18, 2014, at 13:56 , John Syn  wrote:
> 
> Better to wait for the BeagleBoard-X15 which will have the camera
> interface.

Oh, goodness, how long do I have to wait for that beauty?

-- 
Rick Mann
rm...@latencyzero.com


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Re: [beagleboard] A new camera board for the Beagleboeard XM - Vifff-024

[John Syn]

On 12/18/14, 1:49 PM, "Rick Mann"  wrote:

>Oh, I didn't realize a camera port wasn't available on the am335x on the
>BBB. Hmm. That puts a damper on a different project idea I had. Maybe
>I'll pick up an xM.
Better to wait for the BeagleBoard-X15 which will have the camera
interface.

Regards,
John
>
>> On Dec 18, 2014, at 07:24 , Robert Nelson 
>>wrote:
>> 
>> On Thu, Dec 18, 2014 at 2:33 AM, Rick Mann 
>>wrote:
>>> Will you be making one for BBB?
>> 
>> This is using the dedicated camera interface on the xM, the am335x
>> used on the BBB doesn't contain this IP block, thus would have much
>> "MUCH" slower performance. (if any performance at all)
>> 
>> Regards,
>> 
>> -- 
>> Robert Nelson
>> http://www.rcn-ee.com/
>> 
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>
>-- 
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>rm...@latencyzero.com
>
>
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Re: [beagleboard] dead BBB after using incorrect usb cable?

[Gerald Coley]

Send it in for an RMA.

http://www.elinux.org/Beagleboard:BeagleBoneBlack#RMA_Support

Thern register so your posts are not delayed.

Gerald


On Thu, Dec 18, 2014 at 3:26 PM,  wrote:
>
> I have plugged an USB câble into the BBB USB port that may be incompatible
> as it has an extra jack output ( I used it with my old mobile phone ).
>
> Since then the BBB won't boot and now when I hook the original USB cable,
> that came with the beagle, the pwr led light for less than a second then
> goes off back again.
>
> Is there anything I can do or is my beagle officially dead?
>
> --
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Gerald

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

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Re: [beagleboard] dead BBB after plugging an "incompatible" USB cable

[Gerald Coley]

Send it in for an RMA.

http://www.elinux.org/Beagleboard:BeagleBoneBlack#RMA_Support

Gerald


On Wed, Dec 17, 2014 at 11:22 AM,  wrote:
>
> I think my BBB is dead as when I plug it in the USB port the pwr led goes
> on for less than a second then goes off again. Holding the reset button on
> boot doesn't change anything. This happened after I haved used a USB cable
> that looked the same as the BBB one but with a jack output ( I think I used
> it on a mobile phone previously)
>
> Is there anything i can do or should i fill an RMA?
>
> --
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Re: [beagleboard] dead bbb after using incorrect USB cable

[Gerald Coley]

You could send it in for repair.

http://www.elinux.org/Beagleboard:BeagleBoneBlack#RMA_Support


Gerald

On Thu, Dec 18, 2014 at 3:24 PM,  wrote:
>
> I have plugged an USB câble into the BBB USB port that may be incompatible
> as it has an extra jack output ( I used it with my old mobile phone ).
>
> Since then the BBB won't boot and now when I hook the original USB cable,
> that came with the beagle, the pwr led light for less than a second then
> goes off back again.
>
> Is there anything I can do or is my beagle officially dead?
>
> --
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http://circuitco.com/support/

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[beagleboard] dead bbb after using incorrect USB cable

[aminesay]

I have plugged an USB câble into the BBB USB port that may be incompatible as 
it has an extra jack output ( I used it with my old mobile phone ).

Since then the BBB won't boot and now when I hook the original USB cable, that 
came with the beagle, the pwr led light for less than a second then goes off 
back again. 

Is there anything I can do or is my beagle officially dead?

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[beagleboard] I2C with Beaglebone

[sakthivelr16]

Hi,

in Angstrom is there any write restriction in between 0x30___0x37 & 
0x50 ___ 0x5f.. ?


Thank you,

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[beagleboard] dead BBB after plugging an "incompatible" USB cable

[aminesay]

I think my BBB is dead as when I plug it in the USB port the pwr led goes on 
for less than a second then goes off again. Holding the reset button on boot 
doesn't change anything. This happened after I haved used a USB cable that 
looked the same as the BBB one but with a jack output ( I think I used it on a 
mobile phone previously)

Is there anything i can do or should i fill an RMA?

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[beagleboard] dead BBB after using incorrect usb cable?

[aminesay]

I have plugged an USB câble into the BBB USB port that may be incompatible as 
it has an extra jack output ( I used it with my old mobile phone ).

Since then the BBB won't boot and now when I hook the original USB cable, that 
came with the beagle, the pwr led light for less than a second then goes off 
back again. 

Is there anything I can do or is my beagle officially dead?

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[beagleboard] Re: Here is the BeagleBone Debian (beta) image you want to test

[mbbackus]

I recently tried running some OpenCV code that works fine independently but 
crashes with a "select timeout" error when I try running it while I have my 
mini wifi module from Adafruit plugged in to provide wireless access via an 
AP network. Both the camera and the wifi module are plugged into a usb hub. 
I've done some research online and it sounds like the Bone's USB DMA 
support might not be up to the task. I've read about using other kernels 
and was wondering what was built into this image.

I also read another post about including 
NEON: 
http://blog.lemoneerlabs.com/3rdParty/Darling_BBB_30fps_DRAFT.html#x1-6000doc

Is that optimization already built into this image?

Anyone have any other ideas for getting the Beaglebone to handle both a 
cheap USB camera and WiFi module, or is this something that would be better 
handled by the Raspberry Pi B+? I like controlling motors directly from the 
bone with the handful of PWM pins it sports, but wireless debugging is a 
little higher on my priority list so I can move to a Pi and an Arduino if 
necessary.

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[beagleboard] Re: How fast/reliable is ADC sampling from the PRU

[lucianocalaca3]

Hey TJF,

So, if I'm understandig it right, what I conclude is that with only one ADC 
working, the maximum sample rate we can get is around 93 kHz. 
Above when you answered to *jleb, *you said:

"The result is as expected, and even if I increase the frequencies, all 
looks good up to a sampling rate of 200 kHz." 

How can I get that sample rate? 200kHz is the maximum according to the 
features of processor AM3359. (
http://www.ti.com/product/AM3359/datasheet/abstract#SPRS7176831). 

Thank you for your attention.

BR,
Luciano.

Quarta-feira, 17 de Dezembro de 2014 19:03:03 UTC, TJF escreveu:
>
> @Luciano
>
> I changed your loop logic a bit, so that the GPIO output only changes 
> after the ADC value is present
>
> IF .Adc->setStep(1, 0, 0, 0, 0) THEN _ ' configure fast Adc step
> ?"ADC setStep failed (" & *.Errr & ")" : EXIT DO
>
> IF .config(1, 1 SHL 1) THEN _
>  ?"config failed (" & *.Errr & ")" : EXIT DO
>
>   ...
>
>   FOR i AS INTEGER = 0 TO c
> WHILE .Adc->Value[1] <= &h7FFF : WEND '  wait until high
> IF .Gpio->setValue(POUT, 0) THEN _ 'set GPIO low
>   ?"GPIO setValue failed (" & *.Errr & ")" : EXIT DO
> WHILE .Adc->Value[1] > &h7FFF : WEND 'wait until low
> IF .Gpio->setValue(POUT, 1) THEN _ '   set GPIO high
>   ?"GPIO setValue failed (" & *.Errr & ")" : EXIT DO
>   NEXT
>   if .Cap->Value(PIN, @f2, @d2) then _ '   get CAP input
>  ?"Cap->Value failed (" & *.Errr & ")" : EXIT DO, 
> DO
>   ...
>
> and I get higher frequencies
>
> ADC closed loop:
>   Minimum:  69589.421875
>   Avarage:  91196.4397569
>   Maximum:  93196.6484375
>
>
>
Quarta-feira, 17 de Dezembro de 2014 19:03:03 UTC, TJF escreveu:
>
> @Luciano
>
> I changed your loop logic a bit, so that the GPIO output only changes 
> after the ADC value is present
>
> IF .Adc->setStep(1, 0, 0, 0, 0) THEN _ ' configure fast Adc step
> ?"ADC setStep failed (" & *.Errr & ")" : EXIT DO
>
> IF .config(1, 1 SHL 1) THEN _
>  ?"config failed (" & *.Errr & ")" : EXIT DO
>
>   ...
>
>   FOR i AS INTEGER = 0 TO c
> WHILE .Adc->Value[1] <= &h7FFF : WEND '  wait until high
> IF .Gpio->setValue(POUT, 0) THEN _ 'set GPIO low
>   ?"GPIO setValue failed (" & *.Errr & ")" : EXIT DO
> WHILE .Adc->Value[1] > &h7FFF : WEND 'wait until low
> IF .Gpio->setValue(POUT, 1) THEN _ '   set GPIO high
>   ?"GPIO setValue failed (" & *.Errr & ")" : EXIT DO
>   NEXT
>   if .Cap->Value(PIN, @f2, @d2) then _ '   get CAP input
>  ?"Cap->Value failed (" & *.Errr & ")" : EXIT DO, 
> DO
>   ...
>
> and I get higher frequencies
>
> ADC closed loop:
>   Minimum:  69589.421875
>   Avarage:  91196.4397569
>   Maximum:  93196.6484375
>
>
>

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[beagleboard] GPIO AINx output fluctuations

[mab . mobile . 01]

Hello, 

I am trying use the Beaglebone Black to monitor a smoke detector 
activation. I have two wires coming from the smoke detector, ground and 
positive lead. The voltage on the wires will go to 0.6v when the detector 
is activated. I have the ground connected to the P9 header GNDA_ADC and the 
positive wire from the detector going to AIN6. When monitoring the base 
values of AIN6 without the detector being activated I get a wide range of 
values. Example output below...

 pin AIN6 value is 2
pin AIN6 value is 105
pin AIN6 value is 0
pin AIN6 value is 0
pin AIN6 value is 687
pin AIN6 value is 195
pin AIN6 value is 29
pin AIN6 value is 1799
pin AIN6 value is 182
pin AIN6 value is 0

When the detector is activated the AIN6 value will just be above 1000. 
However the random base values frequently exceed 1000 as well resulting in 
a lot of false positive activations. 

My questions..

1. Why is there so much variance in the base AIN values when no voltage is 
being applied? Should it not be near or at zero?
2. What can I do to remedy this so I can get consistently low baseline AIN 
values so I do not generate false positive activations?

Please remember - newbie question with very basic knowledge of electronics. 

Thanks



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[beagleboard] Re: i2c read failed

[robert . sipec]

from tech specs:

22 19 SCL Serial clock line. *Connect to VCC through a pullup resistor*
23 20 SDA Serial data line. *Connect to VCC through a pullup resistor.*

should work



On Tuesday, December 16, 2014 5:22:04 AM UTC+1, aryaksa...@gmail.com wrote:
>
> Good morning everyone,
>
> My slave board consists of 16 bit I/O expander IC-- PCF8575. It has two 
> PCF8575. According to the datasheet the address of PCF is 0x0100A2A1A0R/W. 
> In the board for first PCF which i am interested, the A2 is ground, A1 is 
> ground and A0 is connected to Vcc. I want to read from PCF, so i used 
> R/W=1. Thus my address is 0x43.
> The board is powered with two supply, 12V and 5V. But when checked the SDA 
> and SCL voltage using a digital multimeter, i found they are at 3.3V. So i 
> didn't go for a level shifter. 
>
> I will try with pull up resistors and tell the results.
>
>  
>
> On Thursday, December 11, 2014 11:39:35 AM UTC+5:30, aryaksa...@gmail.com 
> wrote:
>>
>> Hi,
>>
>> I am trying to read two bytes of data from a board(slave) using 
>> BBB(master) through i2c interface.
>>
>> I connected my board's SDA and SCL lines to P9_18 and P9_17 of BBB 
>> respectively.
>>
>> My code is 
>>
>> #include 
>> #include 
>> #include 
>> #include 
>> #include 
>> #include 
>> #include 
>> #include 
>>
>>
>> int main()
>> {
>> int fd,i;
>> int addr = 0x43;
>> char buffer[10] = {0};
>>
>> fd = open("/dev/i2c-1", O_RDWR);   // opening i2c-1 file. returns a file 
>> descriptor used by read
>> if(fd < 0)
>> {
>> printf("i2c failed to open\n");
>> }
>>
>> if(ioctl(fd, I2C_SLAVE, addr) < 0)
>> printf("failed to acquire bus\n");
>>
>> if(read(fd,buffer,2) != 2) //reading 2 bytes of data
>> {
>> printf("i2c read failed\n");
>>
>> }
>> else
>> {
>> for(i=0;i<2;i++)
>> printf("the data is %d \n",buffer[i]);
>> }
>>
>>
>> return 0;
>> }
>>
>>
>>
>>
>>
>>
>> I got output --- "i2c read failed"
>>
>> What is the problem in my code? Or any problem in hardware? When I 
>> checked the following command, I got output like
>>
>> root@beaglebone:~# i2cdetect -l
>> i2c-0   i2c OMAP I2C adapterI2C 
>> adapter
>> i2c-1   i2c OMAP I2C adapterI2C 
>> adapter
>> root@beaglebone:~# ls -l /sys/bus/i2c/devices/i2c-*
>> lrwxrwxrwx 1 root root 0 Jan  1  2000 /sys/bus/i2c/devices/i2c-0 -> 
>> ../../../devices/ocp.3/44e0b000.i2c/i2c-0
>> lrwxrwxrwx 1 root root 0 Jan  1  2000 /sys/bus/i2c/devices/i2c-1 -> 
>> ../../../devices/ocp.3/4819c000.i2c/i2c-1
>>
>>
>> Can anyone find problem? Please reply.
>>
>

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[beagleboard] interfacing GSM module with Beagle board xm

[noob]

Hello .
 I want to start with a project in which i have to interface GSM 300 module 
with Beagle Board xm. And then sending a sms after specific interval . I'm 
new to this area. I want to know the details about how to interface GSM 
module with Beagle Board xm and how to make board to control the module .
 please help me to understand considering i'm new to this field. 
 thank you. 










































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[beagleboard] Re: Changes done in uboot source code or Kernel source code not getting reflected onto Serial console

[purushotham . s . patil]

Hi srini,


Did you got the resolution for this?

Regards,
Purushotham

On Sunday, November 2, 2014 5:56:59 PM UTC+5:30, Srini wrote:
>
> Dear beaglebone black community,
>
>
> 1. As am newbie in using ti-sdk-am335x-evm-07.00.00.00 where we have uboot 
> & source code , when am trying to modify the uboot & kernel source code 
> ie., am trying to add printks in the source code , compiled & flashed the 
> images onto SD card but am unable to see the print messages that I have 
> added onto the serial console,
>
> Could any body please let me know why I am unable to see the print 
> messages onto the console or am I missing any uboot or kernel 
> configurations that is to be done inorder to see the print messages onto 
> the console
>
> Could you please provide me the detailed steps related to compiling & 
> flashing the images onto SD card or Nand  with any uboot or kernel 
> configurations  inorder to see my print messgaes onto the console
>
> 2. As am newbie to device tree concept as earlier was using board files, 
> Could any body please let me know what is the difference between board file 
> & device tree,
>  Could any body please help me do how to gain the quick understanding of 
> device tree in uboot & linux kernel ti-sdk-am335x-evm-07.00.00.00 & what is 
> significance of uboot & kernel device tree when it would be required & how 
> to modify it
>
> Awaiting for your replies
> Many Thanks in advance,
>
>

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[beagleboard] Re: How fast/reliable is ADC sampling from the PRU

[lucianocalaca3]

Hey TFJ,

I tried that way and it didn't work. Meanwhile I was searching about it and 
I found a website relating something like my problem at this forum (
http://www.freebasic.net/forum/viewtopic.php?f=14&t=22501&hilit=sample+rate&start=75
). 
I read the user *facine* comment, I tried and stepper worked.




Then I was scrolling and he said he still had problems. He proposed a 
solution and then I saw the "enum pinMixung".
I got the code you (*TFJ*) proposed next and I put it in the library 
pruio.h at /usr/local/include.



I already tried algorithms and I think it's ok. I don't know if this method 
I used will bring secondary effects once I didn't understand welI what I've 
changed. Maybe you can tell me, if possible. 
I didn't have the oportunity to do some tests about the sample rate, 
because I don't have an oscilloscope this moment. But when I have the 
oportunity I will report my results to you .

I thank you very much for the time you spent helping me. :)

Best regards,
Luciano.



Terça-feira, 16 de Dezembro de 2014 16:53:13 UTC, TJF escreveu:
>
> Hi Luciano,
>
> thanks for your reports. I didn't know that each update gets a new path 
> and that the download works even when the filename is wrong. I'll have to 
> fix this in the documentation.
>
> Am Dienstag, 16. Dezember 2014 11:12:02 UTC+1 schrieb luciano...@gmail.com
> :
>>
>> Hey TFJ, 
>>
>> Just to confirm, I went to the directories and all the needed files are 
>> in the place they should be installed. 
>> I don't know but maybe it is because of the capemgr in /sys/devices, as I 
>> referred above. Can it be? 
>>
>> Best regards, 
>> Luciano.
>
> I'm not sure if I get this. In your post above you spoke about an error 
> message, but I cannot find it. So a shot in the dark here.
>
> After executing (admin privileges, !!! mind the position of the 'A' !!! 
> in the copy command)
> cp src/config/libpruio-0A00.dtbo /lib/firmware/libpruio-00A0.dtbo
> echo libpruio > /sys/devices/bone_capemgr.slots
>
> all examples should work (pwm_adc, pwm_cap and stepper need admin 
> privileges).
>
> BR
>

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[beagleboard] Does anyone know about usb sound card on android.

[zmc9499]

I don't have a BBB, but I really want to know whether the BBB support usb 
sound card on android or not. I have a usb mic and I wish to deliver the 
sound to google now. I know some android device support usb sound card, 
some don't. Could anyone who have both usb sound card and BBB do some test, 
so that I could make my decision to buy BBB or not.

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Re: [beagleboard] USB OTG Host mode with BBB?

[sheikarzu]

Dear Ian,

Did you able to convert USB0 Port in BBB to Host?  If So, Can you explain? 
 I need to Convert Both the ports in BBB to Host.  It is urgent.

With regards

Siddhiq

On Wednesday, September 3, 2014 8:04:25 AM UTC+5:30, Ian Collins wrote:
>
> Has anyone made any progress with this?
>
> I'm in the same boat trying to get this work and realise we will have to 
> add some hardware to provide the correctly timed 5V.  It looks like the 
> biggest problem is the DRVVBUS pin for USB0 isn't tracked.
>
> Thanks.
>
> Ian. 
>
> On Wednesday, 12 February 2014 22:42:58 UTC+13, AndrewTaneGlen wrote:
>>
>> This guy seems to have had some success, with some minor hardware 
>> modifications:
>>
>> http://pansenti.wordpress.com/2013/05/27/beaglebone-black-with-two-usb-host-ports-it-can-be-done-but-its-not-easy/
>>
>> Andrew.
>>
>>
>> On 12 February 2014 20:18, Mahammad  wrote:
>>
>>> Hi There
>>>
>>> I am too trying to make the mini usb port to work as a host. 
>>>
>>> I am trying to scan the expansion port signals it seams like none of the 
>>> pins offers direct access to the processor vbus signal. Should I do this 
>>> with some software?
>>>
>>> If with software; what time should it work to enable/disable the volt? 
>>> And should it listen to the signal all the time or just during the port 
>>> initialization stage?
>>>
>>> Best Regards
>>>
>>> Mahammad
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> On Wednesday, August 21, 2013 4:38:47 AM UTC+2, AndrewTaneGlen wrote:

 Understood. Thanks for taking the time to clear that up for me.


 Andy.

 On Wednesday, 21 August 2013 14:36:59 UTC+12, Gerald wrote:
>
> Yes, that is what I am saying. I did a design where the 5V was always 
> there. It din't work. I had to add a power switch like I did on the BBB 
> design.
>
>
> Gerald
>
>
> On Tue, Aug 20, 2013 at 9:33 PM, AndrewTaneGlen  
> wrote:
>
>> Thanks Gerald,
>>
>> That was one thing I was not absolutely clear on. The TRM has the 
>> following passage concerning USB power control:
>>
>> "*When any of the USB controllers assumes the role of a host, the 
>> USB is required to supply a 5V power*
>> *source to an attached device through its VBUS line. In order to 
>> achieve this task, the USB controller*
>> *requires the use of an external power logic (or charge pump) capable 
>> of sourcing 5V power. A*
>> *USB_DRVVBUS is used as a control signal to enable/disable this 
>> external power logic to either source or*
>> *disable power on the VBUS line. The control on the USB_DRVVBUS is 
>> automatic and is handled by the*
>> *USB controller.*" (AM335X TRM, pg. 1697)
>>
>> So are you saying, in addition to the above, that the USB port must 
>> be in control of the VBUS enable - assumedly detecting the voltage as 
>> off 
>> when disabled, and on when enabled, with specific timing requirements 
>> around these edges - so that there is no way to simply have the 5V there 
>> the whole time?
>>
>> If this is the case I guess there is a chance that I could add some 
>> kind of gpio control through the expansion header to enable/disable the 
>> 5V 
>> rail as and when required (or I could just modify the board - but I'm 
>> trying to avoid this and be able to just plug my clean BBB into my 
>> horrible 
>> looking base board...)
>>
>>
>> Regards,
>> Andy.
>>
>> On Wednesday, 21 August 2013 14:20:08 UTC+12, Gerald wrote:
>>
>>> Like the fact that the processor needs to see the 5V on 
>>> the processor pin when it turns on the 5V?
>>>
>>> Take a look at the host port design. Both ports are actually OTG 
>>> ports by design. To make the state machine in the HW function as a 
>>> host, 
>>> you need to make it work like the other OTG port, the one we call the 
>>> Host 
>>> port, which is configured for host..
>>>
>>>
>>> Gerald
>>>
>>>
>>>
>>> On Tue, Aug 20, 2013 at 9:12 PM, AndrewTaneGlen <
>>> andrewt...@gmail.com> wrote:
>>>
 Hi All,

 I've been playing around with getting the mini-USB pc connector to 
 function as a second USB host (I'm using RCN's Ubuntu, Raring, but I'd 
 assume this would apply to Angstrom as well). There is a post here 
 http://pansenti.wordpress.com/2013/05/27/beaglebone-
 black-with-two-usb-host-ports-it-can-be-done-but-its-not-easy/ 
 decribing 
 how to do this with some hardware modifications, but looking at the 
 AM335x 
 technical reference manual it looks like I should be able to set USB 
 Port 0 
 to function as a host through software alone (i.e. without needing to 
 ground the USB ID pin, or to modify anything else on the board).

 So what I have done so far is modify the 'am33xx.dtsi

[beagleboard] Re: BeagleBone ProfiBus Cape

[Mark Rodgers]

Hi,

I just saw this thread. Is the Profibus Cape being sold somewhere? I can't 
seem to find it..?

Thanks!
 Mark

On Tuesday, December 17, 2013 5:05:17 AM UTC-5, guer...@gmail.com wrote:
>
> Hi all,
>
> I would know more informations about the BeagleBone ProfiBus Cape:
>
> http://elinux.org/Beagleboard:BeagleBone_ProfiBus
>
> when will be it available? In case the production times are long, is it 
> possible to know of which components does it consist?
>
> Speaking about industrial communications, will be ever possible to have a 
> BeagleBone EtherCAT Cape?
>
> Thank you!
>
> Alessandro
>

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[beagleboard] Re: Is There a way to build graphic apps with BBone Black?

[mark . e . riley]

Have you tried writing direct to the Video Frame Buffer, I have.

Email me and I'll send you some source code.

Regards,

Mark.

On Saturday, 1 June 2013 18:16:45 UTC+1, Joebotics wrote:
>
> Thanks everybody!!
>
> I will follow your ideas to see where it takes me.. :-)
>
> I have a microSD running ArchLinux... I tried to install LXDM...  I 
> followed the instructions.. no errors.. but it still boots to a console.. 
> :-(
>
> I will try the same in the Ubuntu console wish me luck!! ...  :-)
>
> BTW.. is there a Free QT IDE ?   I went to their page and they have a 30 
> day trial... 
>

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[beagleboard] connect Capacitive Touch Sensors on BBB

[nta . xyz]

hi.
I bought 4DCAPE_70T  lcd from 
http://www.4dsystems.com.au/product/4DCAPE_70T/.
this lcd has a resistive touch screen the question is, is there any way to 
connect capacitive touch screen to  that lcd? and does debian image of BBB 
support capacitive touch ?
is the answer is positive please guide me how i can do this ?

thank you

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Re: [beagleboard] Direct PRU pins available?

[Gerald Coley]

That is covered in the SRM.
http://www.elinux.org/Beagleboard:BeagleBoneBlack#LATEST_PRODUCTION_FILES_.28C.29


Gerald


On Thu, Dec 18, 2014 at 3:39 PM, Charles Kerr 
wrote:
>
> Was curious how many PRU pins (on each PRU) would be available for direct
> mapping to R30/R31 of the PRU?  One of the drawbacks I have with the BBB is
> the limited direct access pins for output on both PRUs (after you use the
> FLASH and a few peripherals).
>
> This board looks like it might be a really nice package.
>
> --
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> ---
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>


-- 
Gerald

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

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Re: [beagleboard] A new camera board for the Beagleboeard XM - Vifff-024

[Rick Mann]

Oh, I didn't realize a camera port wasn't available on the am335x on the BBB. 
Hmm. That puts a damper on a different project idea I had. Maybe I'll pick up 
an xM.

> On Dec 18, 2014, at 07:24 , Robert Nelson  wrote:
> 
> On Thu, Dec 18, 2014 at 2:33 AM, Rick Mann  wrote:
>> Will you be making one for BBB?
> 
> This is using the dedicated camera interface on the xM, the am335x
> used on the BBB doesn't contain this IP block, thus would have much
> "MUCH" slower performance. (if any performance at all)
> 
> Regards,
> 
> -- 
> Robert Nelson
> http://www.rcn-ee.com/
> 
> -- 
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-- 
Rick Mann
rm...@latencyzero.com


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[beagleboard] Direct PRU pins available?

[Charles Kerr]

Was curious how many PRU pins (on each PRU) would be available for direct 
mapping to R30/R31 of the PRU?  One of the drawbacks I have with the BBB is 
the limited direct access pins for output on both PRUs (after you use the 
FLASH and a few peripherals).

This board looks like it might be a really nice package.

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Re: [beagleboard] Gesture Recognition System

[biswesh panda]

Thank you for the advice. But I'm a student and a newbie and experimenting 
out on things. So can you say about the efficient edge detection algorithms?


On Friday, December 19, 2014 1:34:03 AM UTC+5:30, john3909 wrote:
>
>
> From: biswesh panda 
> Reply-To: "beagleboard@googlegroups.com" 
> Date: Thursday, December 18, 2014 at 10:59 AM
> To: "beagleboard@googlegroups.com" 
> Subject: [beagleboard] Gesture Recognition System
>
> I am working on a project where I'm trying to capture different kinds of 
> gestures that mute people generally make and try to link it to a audio file 
> which conveys the meaning of that particular gesture. I'm using opencv for 
> computer vision applications and BeagleBone Black. Can you tell me which 
> edge detection algorithms will be best suited for me? The challenge that I 
> may face are-
> 1) The color intensity of the hand may match with that of the sourrounding.
> 2) There's no guarantee that the background will be moving or will it be 
> in a standstill.
>
> Another thing is the efficiency of the algorithm should be fast so as to 
> recognize the gestures quickly.
>
> I think the BBB won’t have the horsepower to do what you want. The next 
> product called BeagleBoard-X15 will be more suitable for this application 
> and is scheduled for release sometime in Feb 2015. 
>
> Regards,
> John
>
>
> -- 
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>
>

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Re: [beagleboard] Gesture Recognition System

[John Syn]

From:  biswesh panda 
Reply-To:  "beagleboard@googlegroups.com" 
Date:  Thursday, December 18, 2014 at 10:59 AM
To:  "beagleboard@googlegroups.com" 
Subject:  [beagleboard] Gesture Recognition System

> I am working on a project where I'm trying to capture different kinds of
> gestures that mute people generally make and try to link it to a audio file
> which conveys the meaning of that particular gesture. I'm using opencv for
> computer vision applications and BeagleBone Black. Can you tell me which edge
> detection algorithms will be best suited for me? The challenge that I may face
> are-
> 1) The color intensity of the hand may match with that of the sourrounding.
> 2) There's no guarantee that the background will be moving or will it be in a
> standstill.
> 
> Another thing is the efficiency of the algorithm should be fast so as to
> recognize the gestures quickly.
I think the BBB won¹t have the horsepower to do what you want. The next
product called BeagleBoard-X15 will be more suitable for this application
and is scheduled for release sometime in Feb 2015.

Regards,
John
> 
> 
> -- 
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[beagleboard] Re: Error Listening To Socket - MOOS-IvP won't run on Beaglebone Black

[Damian Manda]

I had the same problem (I am running MOOS-IvP on Ubuntu 14.04 on a 
BeagleBone Black), but after adding a second call to the getprotobyname 
function and recompiling, I still receive the error.  Using lsof does in 
fact show that it is trying to use UDP instead of TCP.  The error is also 
intermittent, sometimes MOOS runs fine, sometimes it only throws the error 
and it seems to be more likely to have problems when running over SSH vs 
direct console.  Have you figured out anything else that might cause this?

On Wednesday, March 12, 2014 1:29:53 AM UTC-4, haeusler...@gmail.com wrote:
>
> I have found the problem and fixed it.
>
> When the socket is created it needs to be TCP. However when 
> getprotobyname(_sName) is called in the XPCGetProtocol class to lookup the 
> correct protocol number in /etc/protocols it returns the value of the 
> previous time it was called, which was when a UDP socket was setup.
>
> To fix it I simply called the function twice, the second time it returns 
> the correct value.
>
> I am not sure why it would return incorrect the first time but this works!
>
> On Tuesday, 11 March 2014 23:21:08 UTC+10:30, haeusler...@gmail.com wrote:
>>
>> Ok so after much debugging I have found that when the Listen thread 
>> socket is started it starts as a UDP socket (determined using lsof) when it 
>> should be a TCP socket. What would cause this?
>>
>> On Wednesday, 5 March 2014 20:32:54 UTC+10:30, haeusler...@gmail.com 
>> wrote:
>>>
>>> I managed to get it to work in single threaded mode. Has any one had any 
>>> issues with threads with the BBB?
>>>
>>> On Wednesday, 5 March 2014 18:58:42 UTC+10:30, haeusler...@gmail.com 
>>> wrote:

 I am attempting to run MOOS-IvP 
  on 
 a Beaglebone Black 

 On attempting to run the MOOS database it continuously throws the 
 exception

 "Exception Thrown in listen loop: Error Listening To Socket. Operation 
 not supported"

 This software runs on a Raspberry Pi

 Any ideas what might be the issue?

>>>

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[beagleboard] Implementing CAN in BBB

[Abhishek Tewari]

Hi All,

I am a newbie to BBB and was thinking to implementing a project using its 
CAN controller.
My first question is : Is it really necessary to use a cape to implement 
and use CAN.

I have got 2 BBB and want to make them communicate through CAN.
Can any one who have already worked on provide me some links related to BBB 
and CAN.

Any more guidance is most welcome.
Thanks in advance.

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[beagleboard] Gesture Recognition System

[biswesh panda]

I am working on a project where I'm trying to capture different kinds of 
gestures that mute people generally make and try to link it to a audio file 
which conveys the meaning of that particular gesture. I'm using opencv for 
computer vision applications and BeagleBone Black. Can you tell me which 
edge detection algorithms will be best suited for me? The challenge that I 
may face are-
1) The color intensity of the hand may match with that of the sourrounding.
2) There's no guarantee that the background will be moving or will it be in 
a standstill.

Another thing is the efficiency of the algorithm should be fast so as to 
recognize the gestures quickly.

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Re: [beagleboard] Re: BBB USB0 change from client to host

[Siddhiq Ahmed]

Dear Robert,

Thanks for the quick reply.  I had followed the same schematics as BBB.
The USB1 is working has HOST.  I have Grounded USB1_ID and I have used
USB1_DRVVBUS to drive the 5V and USB1_VBUS for sensing.  But, USB0 is not
working.  I have Grounded USB0_ID and I have not Used USB0_DRVBUS.  But I
have connected USB0_VBUS to Permanent 5V.

The USB0 is not able to detect any device when plugged in.

Kindly, help me to sort it out.

With regards

Siddhiq

On Fri, Dec 19, 2014 at 12:15 AM, Robert Nelson 
wrote:
>
> On Thu, Dec 18, 2014 at 12:43 PM, Siddhiq Ahmed  wrote:
> > Dear All,
> >
> > I am also working with a Clone of BBB.  In which I need to Convert USB0
> as
> > Host.  I need to use both the USB0 and USB1 has Host.  Kindly, suggest.
> How
> > to Convert the USB0 Port to Host.
>
> I suggest you take a look at the schematic and compare usb0 & usb1..
>
> Regards,
>
> --
> Robert Nelson
> http://www.rcn-ee.com/
>
> --
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-- 
With regards

Siddhiq Ahamed,
Vaaraahi Embedded
350-A3, Rosun Builidngs,Subramaniampalayam Road,
G.N.Mills(PO),
Coimbatore - 641 029.

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Re: [beagleboard] Re: BBB USB0 change from client to host

[Robert Nelson]

On Thu, Dec 18, 2014 at 12:43 PM, Siddhiq Ahmed  wrote:
> Dear All,
>
> I am also working with a Clone of BBB.  In which I need to Convert USB0 as
> Host.  I need to use both the USB0 and USB1 has Host.  Kindly, suggest.  How
> to Convert the USB0 Port to Host.

I suggest you take a look at the schematic and compare usb0 & usb1..

Regards,

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

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[beagleboard] Re: BBB USB0 change from client to host

[Siddhiq Ahmed]

Dear All,

I am also working with a Clone of BBB.  In which I need to Convert USB0 as 
Host.  I need to use both the USB0 and USB1 has Host.  Kindly, suggest. 
 How to Convert the USB0 Port to Host.  

With regards

Siddhiq

On Wednesday, 10 September 2014 15:57:01 UTC+5:30, Me wrote:
>
> Hi Vince
> Thanks for the suggestion. Issue was solved long ago but I didn't update 
> the post. But you are right with the use of inductors and you also need to 
> change the mode selection to out the port into host mode. 
>
> Kind Regards
> Marc
>
> Sent from my iPhone
>
> On 9 Sep 2014, at 14:09, vincent@gmail.com  wrote:
>
> Thanks Marc, these few lines are very useful since I need 2 USB hosts and 
> don't want to add a USB hub. About the supply, maybe adding inductor 
> filters like on USB1 schematic would be better.
>
> Vince.
>
> Le jeudi 17 avril 2014 12:01:27 UTC+2, marc...@gmail.com a écrit :
>>
>> Hello
>> I have finally managed to get my hands on an BBB and started to try and 
>> get my system up and running the way I need by building a kernel (3.14.1).
>>  
>> I am attempting to use the USB client port (USB0) in host mode and think 
>> I have done all the things necessary to get this working:
>>  
>> Kernel config has EHCI enabled and set to host only
>> Hardware mod on the board to short pins 4&5 of micro socket to force 
>> USB-ID low to indicate host mode.
>> Changed the arch/arm/boot/dts/am335x-bone-common.dtsi file to put it into 
>> host mode
>> u...@47401000 {
>> status = "okay";
>> dr_mode = "host";
>> };
>> u...@47401800 {
>> status = "okay";
>> dr_mode = "host";
>> };
>>  
>> No matter what I plug in nothing gets identified ???
>>  
>> Plugging into the USB1 host port is fine so the kernel is configured 
>> correctly.
>>  
>>  
>> Boot log shows ports being identified:
>> [2.057294] musb-hdrc musb-hdrc.0.auto: MUSB HDRC host driver
>> [2.063996] musb-hdrc musb-hdrc.0.auto: new USB bus registered, 
>> assigned bus number 1
>> [2.072673] usb usb1: New USB device found, idVendor=1d6b, 
>> idProduct=0002
>> [2.079868] usb usb1: New USB device strings: Mfr=3, Product=2, 
>> SerialNumber=1
>> [2.087467] usb usb1: Product: MUSB HDRC host driver
>> [2.092722] usb usb1: Manufacturer: Linux 3.14.1 musb-hcd
>> [2.098402] usb usb1: SerialNumber: musb-hdrc.0.auto
>> [2.104856] hub 1-0:1.0: USB hub found
>> [2.108880] hub 1-0:1.0: 1 port detected
>> [2.117574] musb-hdrc musb-hdrc.1.auto: MUSB HDRC host driver
>> [2.124275] musb-hdrc musb-hdrc.1.auto: new USB bus registered, 
>> assigned bus number 2
>> [2.133045] usb usb2: New USB device found, idVendor=1d6b, 
>> idProduct=0002
>> [2.140253] usb usb2: New USB device strings: Mfr=3, Product=2, 
>> SerialNumber=1
>> [2.147851] usb usb2: Product: MUSB HDRC host driver
>> [2.153105] usb usb2: Manufacturer: Linux 3.14.1 musb-hcd
>> [2.158786] usb usb2: SerialNumber: musb-hdrc.1.auto
>> [2.165268] hub 2-0:1.0: USB hub found
>> [2.169312] hub 2-0:1.0: 1 port detected
>>
>> Any ideas ???
>>  
>> Thanks
>> marc 
>>  
>>
>

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Re: [beagleboard] Beaglebone black not recognized when plugged in (new just out of the box beaglebone black)

[meino . cramer]

Hi Anirudh,

thank you for checking all this ! 8)

I quite agree!

There is something wrong with your board -- hopefully you get
a new one as soon as possible and as easy as possible!

Fingers crossed! Good luck!

Best regards,
Meino




Anirudh Jonnadula  [14-12-18 18:28]:
> Hi Meino,
> 
> I have tried what you have suggested but nothing came up. So, I guess the
> board is faulty.
> 
> Regards
> Anirudh
> 
> 
> On Thu, Dec 18, 2014 at 10:56 PM, Anirudh Jonnadula 
> wrote:
> >
> > Hi William,
> >
> > I have tried with a working new mini USB cable but it didn't work. Maybe
> > the board has some defects.
> >
> > Anirudh
> >
> > On Wed, Dec 17, 2014 at 8:31 AM, William Hermans 
> > wrote:
> >>
> >> Anirudh,
> >>
> >> I did not read all the discussion you two have had, but if you have
> >> another mini to standard USB cable I'd give that a shot first. Early on
> >> after release, there were a few boards shipped with bad cables according to
> >> a few users. You could take that with a grain of salt ( I would ), but if
> >> you have  spare one to try, it would a quick test.
> >>
> >> On the Windows 7 side, I use Windows 7 x64 enterprise, and s I recall the
> >> mass storage "drive" always came up immediately( this is why i recommend
> >> checking the cable ), but the other drivers will require you to install the
> >> beaglebone driver listed on the getting started page. Then possibly you'll
> >> have to run Windows updates.
> >>
> >> Also the usb networking gadget should be set to static IP of 192.168.7.2
> >> - At least I am pretty sure this is how it came on the latest element14
> >> board we have here. I run both Windows, and Linux machines as host to
> >> several beglebones, and I would test, but I am "on the road" right now so
> >> can not check.
> >>
> >> Anyway, if you have some very specific Windows questions pertaining to
> >> the beaglebone, ask and I'll do my best to answer. Just be aware however,
> >> there a lot of information on internet about all this now days.
> >>
> >> On Tue, Dec 16, 2014 at 1:16 PM, Anirudh Jonnadula 
> >> wrote:
> >>>
> >>> Hi Meino,
> >>>
> >>> :)
> >>>
> >>> I'll try whatever you have suggested first thing in the morning.
> >>> I kind of already tried connecting with a wired LAN cable. Then I
> >>> logged into my router using 192.168.1.1 and found that there is no
> >>> attached device under the wired category.
> >>> This is making me feel that the board has some fault.
> >>> Anyway, I'll try the above suggested method using nmapand if it
> >>> does not work, I'll try to boot it with a SD card and will let you
> >>> know the results.
> >>>
> >>> Regards,
> >>> Anirudh
> >>>
> >>> On Wed, Dec 17, 2014 at 12:46 AM,   wrote:
> >>> >
> >>> > Hi Anirudh,
> >>> >
> >>> > :)
> >>> >
> >>> > Since the Beaglebone black was switched from Angstrom to Debian I dont
> >>> > know, whether Debian now runs with a fixed IP-adress or uses dhcp...
> >>> >
> >>> > That is: You need to figure that out.
> >>> >
> >>> > ok...lets hack your beaglebone.
> >>> >
> >>> > You need: Duck Tape, a Swiss Army knife, some chewing gum...
> >>> > ...wrong movie..I am joking, sorry... 8)
> >>> >
> >>> > You need: Ethernet cables (CAT5), a Linux PC which can talk
> >>> > to the internet, your beaglebone and a
> >>> > switch/hub.
> >>> >
> >>> > Connect your PC to the switch/hub. Connect your beaglebone to
> >>> > the switch, connect the LAN cable, which ends in your DSL modem
> >>> > with the hub/switch. Power the hub/switch. Power the PC. Wait
> >>> > until ypu can login (and do that ;) then power your beaglebone
> >>> > and wait until it seems to be up.
> >>> >
> >>> > Install nmap on your linux box.
> >>> >
> >>> > Call
> >>> >
> >>> > ifconfig
> >>> >
> >>> > . You will see something like this:
> >>> >
> >>> >
> >>> > eth0: flags=4163  mtu 1500
> >>> > inet 192.168.XXX.XXX netmask 255.255.255.0  broadcast
> >>> 192.168.XXX.XXX
> >>> > ether XX:XX:XX:XX:XX:XX  txqueuelen 1000  (Ethernet)
> >>> > RX packets nn  bytes nn (nnn nnn)
> >>> > RX errors 0  dropped 0  overruns 0  frame 0
> >>> > TX packets nn  bytes  ( nnn)
> >>> > TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
> >>> > device interrupt 36
> >>> >
> >>> > lo: flags=73  mtu 65536
> >>> > inet 127.0.0.1  netmask 255.0.0.0
> >>> > loop  txqueuelen 0  (Local Loopback)
> >>> > RX packets 1144  bytes 1941206 (1.8 MiB)
> >>> > RX errors 0  dropped 0  overruns 0  frame 0
> >>> > TX packets 1144  bytes 1941206 (1.8 MiB)
> >>> > TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
> >>> >
> >>> > (the counts of package will surely differ...)
> >>> >
> >>> > "lo" is your loopback device, which is not needed here.
> >>> >
> >>> > eth0 (or eth1) is your ethernet interface.
> >>> >
> >>> > The "X"s after the word "inet" is the IP-adress of your Linux box.
> >>> >
> >>> > inet XXX.XXX.XXX.XXX
> >>> >

Re: [beagleboard] which program language is better for BBB

[david turvene]

On Wednesday, December 17, 2014 9:29:40 AM UTC-5, RobertCNelson wrote:
>
>
>
> There's only one true language... COBOL... 
>
>
Following that reasoning, I would choose java because:

http://c2.com/cgi/wiki?JavaIsTheNewCobol

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Re: [beagleboard] Beaglebone black not recognized when plugged in (new just out of the box beaglebone black)

[Anirudh Jonnadula]

Hi Meino,

I have tried what you have suggested but nothing came up. So, I guess the
board is faulty.

Regards
Anirudh


On Thu, Dec 18, 2014 at 10:56 PM, Anirudh Jonnadula 
wrote:
>
> Hi William,
>
> I have tried with a working new mini USB cable but it didn't work. Maybe
> the board has some defects.
>
> Anirudh
>
> On Wed, Dec 17, 2014 at 8:31 AM, William Hermans 
> wrote:
>>
>> Anirudh,
>>
>> I did not read all the discussion you two have had, but if you have
>> another mini to standard USB cable I'd give that a shot first. Early on
>> after release, there were a few boards shipped with bad cables according to
>> a few users. You could take that with a grain of salt ( I would ), but if
>> you have  spare one to try, it would a quick test.
>>
>> On the Windows 7 side, I use Windows 7 x64 enterprise, and s I recall the
>> mass storage "drive" always came up immediately( this is why i recommend
>> checking the cable ), but the other drivers will require you to install the
>> beaglebone driver listed on the getting started page. Then possibly you'll
>> have to run Windows updates.
>>
>> Also the usb networking gadget should be set to static IP of 192.168.7.2
>> - At least I am pretty sure this is how it came on the latest element14
>> board we have here. I run both Windows, and Linux machines as host to
>> several beglebones, and I would test, but I am "on the road" right now so
>> can not check.
>>
>> Anyway, if you have some very specific Windows questions pertaining to
>> the beaglebone, ask and I'll do my best to answer. Just be aware however,
>> there a lot of information on internet about all this now days.
>>
>> On Tue, Dec 16, 2014 at 1:16 PM, Anirudh Jonnadula 
>> wrote:
>>>
>>> Hi Meino,
>>>
>>> :)
>>>
>>> I'll try whatever you have suggested first thing in the morning.
>>> I kind of already tried connecting with a wired LAN cable. Then I
>>> logged into my router using 192.168.1.1 and found that there is no
>>> attached device under the wired category.
>>> This is making me feel that the board has some fault.
>>> Anyway, I'll try the above suggested method using nmapand if it
>>> does not work, I'll try to boot it with a SD card and will let you
>>> know the results.
>>>
>>> Regards,
>>> Anirudh
>>>
>>> On Wed, Dec 17, 2014 at 12:46 AM,   wrote:
>>> >
>>> > Hi Anirudh,
>>> >
>>> > :)
>>> >
>>> > Since the Beaglebone black was switched from Angstrom to Debian I dont
>>> > know, whether Debian now runs with a fixed IP-adress or uses dhcp...
>>> >
>>> > That is: You need to figure that out.
>>> >
>>> > ok...lets hack your beaglebone.
>>> >
>>> > You need: Duck Tape, a Swiss Army knife, some chewing gum...
>>> > ...wrong movie..I am joking, sorry... 8)
>>> >
>>> > You need: Ethernet cables (CAT5), a Linux PC which can talk
>>> > to the internet, your beaglebone and a
>>> > switch/hub.
>>> >
>>> > Connect your PC to the switch/hub. Connect your beaglebone to
>>> > the switch, connect the LAN cable, which ends in your DSL modem
>>> > with the hub/switch. Power the hub/switch. Power the PC. Wait
>>> > until ypu can login (and do that ;) then power your beaglebone
>>> > and wait until it seems to be up.
>>> >
>>> > Install nmap on your linux box.
>>> >
>>> > Call
>>> >
>>> > ifconfig
>>> >
>>> > . You will see something like this:
>>> >
>>> >
>>> > eth0: flags=4163  mtu 1500
>>> > inet 192.168.XXX.XXX netmask 255.255.255.0  broadcast
>>> 192.168.XXX.XXX
>>> > ether XX:XX:XX:XX:XX:XX  txqueuelen 1000  (Ethernet)
>>> > RX packets nn  bytes nn (nnn nnn)
>>> > RX errors 0  dropped 0  overruns 0  frame 0
>>> > TX packets nn  bytes  ( nnn)
>>> > TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
>>> > device interrupt 36
>>> >
>>> > lo: flags=73  mtu 65536
>>> > inet 127.0.0.1  netmask 255.0.0.0
>>> > loop  txqueuelen 0  (Local Loopback)
>>> > RX packets 1144  bytes 1941206 (1.8 MiB)
>>> > RX errors 0  dropped 0  overruns 0  frame 0
>>> > TX packets 1144  bytes 1941206 (1.8 MiB)
>>> > TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
>>> >
>>> > (the counts of package will surely differ...)
>>> >
>>> > "lo" is your loopback device, which is not needed here.
>>> >
>>> > eth0 (or eth1) is your ethernet interface.
>>> >
>>> > The "X"s after the word "inet" is the IP-adress of your Linux box.
>>> >
>>> > inet XXX.XXX.XXX.XXX
>>> >
>>> > often they start with 192.168..., which indicates a private network.
>>> > There are certain IP-address ranges which are for private use only,
>>> > which means: There will be no server outside in the wild, wild
>>> > internet, which have an IP-address of these ranges.
>>> >
>>> > OK...now you have to scan you network. Be sure, nothing else is
>>> > connected to your Linux box (LAN-wise), since accidentally
>>> > scanning networks in the wild wild internet may...hmmm...
>>> > irritate some people... ;)
>>> >
>>> > 

Re: [beagleboard] Beaglebone black not recognized when plugged in (new just out of the box beaglebone black)

[Anirudh Jonnadula]

Hi William,

I have tried with a working new mini USB cable but it didn't work. Maybe
the board has some defects.

Anirudh

On Wed, Dec 17, 2014 at 8:31 AM, William Hermans  wrote:
>
> Anirudh,
>
> I did not read all the discussion you two have had, but if you have
> another mini to standard USB cable I'd give that a shot first. Early on
> after release, there were a few boards shipped with bad cables according to
> a few users. You could take that with a grain of salt ( I would ), but if
> you have  spare one to try, it would a quick test.
>
> On the Windows 7 side, I use Windows 7 x64 enterprise, and s I recall the
> mass storage "drive" always came up immediately( this is why i recommend
> checking the cable ), but the other drivers will require you to install the
> beaglebone driver listed on the getting started page. Then possibly you'll
> have to run Windows updates.
>
> Also the usb networking gadget should be set to static IP of 192.168.7.2 -
> At least I am pretty sure this is how it came on the latest element14 board
> we have here. I run both Windows, and Linux machines as host to several
> beglebones, and I would test, but I am "on the road" right now so can not
> check.
>
> Anyway, if you have some very specific Windows questions pertaining to the
> beaglebone, ask and I'll do my best to answer. Just be aware however, there
> a lot of information on internet about all this now days.
>
> On Tue, Dec 16, 2014 at 1:16 PM, Anirudh Jonnadula 
> wrote:
>>
>> Hi Meino,
>>
>> :)
>>
>> I'll try whatever you have suggested first thing in the morning.
>> I kind of already tried connecting with a wired LAN cable. Then I
>> logged into my router using 192.168.1.1 and found that there is no
>> attached device under the wired category.
>> This is making me feel that the board has some fault.
>> Anyway, I'll try the above suggested method using nmapand if it
>> does not work, I'll try to boot it with a SD card and will let you
>> know the results.
>>
>> Regards,
>> Anirudh
>>
>> On Wed, Dec 17, 2014 at 12:46 AM,   wrote:
>> >
>> > Hi Anirudh,
>> >
>> > :)
>> >
>> > Since the Beaglebone black was switched from Angstrom to Debian I dont
>> > know, whether Debian now runs with a fixed IP-adress or uses dhcp...
>> >
>> > That is: You need to figure that out.
>> >
>> > ok...lets hack your beaglebone.
>> >
>> > You need: Duck Tape, a Swiss Army knife, some chewing gum...
>> > ...wrong movie..I am joking, sorry... 8)
>> >
>> > You need: Ethernet cables (CAT5), a Linux PC which can talk
>> > to the internet, your beaglebone and a
>> > switch/hub.
>> >
>> > Connect your PC to the switch/hub. Connect your beaglebone to
>> > the switch, connect the LAN cable, which ends in your DSL modem
>> > with the hub/switch. Power the hub/switch. Power the PC. Wait
>> > until ypu can login (and do that ;) then power your beaglebone
>> > and wait until it seems to be up.
>> >
>> > Install nmap on your linux box.
>> >
>> > Call
>> >
>> > ifconfig
>> >
>> > . You will see something like this:
>> >
>> >
>> > eth0: flags=4163  mtu 1500
>> > inet 192.168.XXX.XXX netmask 255.255.255.0  broadcast
>> 192.168.XXX.XXX
>> > ether XX:XX:XX:XX:XX:XX  txqueuelen 1000  (Ethernet)
>> > RX packets nn  bytes nn (nnn nnn)
>> > RX errors 0  dropped 0  overruns 0  frame 0
>> > TX packets nn  bytes  ( nnn)
>> > TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
>> > device interrupt 36
>> >
>> > lo: flags=73  mtu 65536
>> > inet 127.0.0.1  netmask 255.0.0.0
>> > loop  txqueuelen 0  (Local Loopback)
>> > RX packets 1144  bytes 1941206 (1.8 MiB)
>> > RX errors 0  dropped 0  overruns 0  frame 0
>> > TX packets 1144  bytes 1941206 (1.8 MiB)
>> > TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
>> >
>> > (the counts of package will surely differ...)
>> >
>> > "lo" is your loopback device, which is not needed here.
>> >
>> > eth0 (or eth1) is your ethernet interface.
>> >
>> > The "X"s after the word "inet" is the IP-adress of your Linux box.
>> >
>> > inet XXX.XXX.XXX.XXX
>> >
>> > often they start with 192.168..., which indicates a private network.
>> > There are certain IP-address ranges which are for private use only,
>> > which means: There will be no server outside in the wild, wild
>> > internet, which have an IP-address of these ranges.
>> >
>> > OK...now you have to scan you network. Be sure, nothing else is
>> > connected to your Linux box (LAN-wise), since accidentally
>> > scanning networks in the wild wild internet may...hmmm...
>> > irritate some people... ;)
>> >
>> > Assuming the IP-address of your Linux box is
>> >
>> > 192.168.100.200
>> >
>> > you need to call
>> >
>> > nmap -v -sn 169.168.100.1-255
>> >
>> > . For this you need to be root...
>> >
>> > Nmap will then scan for hosts in the range of
>> >
>> > 169.168.100.1.169.168.100.255
>> >
>> > and repo

Re: [beagleboard] How does the BeagleBone emulate a USB flash drive?

[Robert Nelson]

On Thu, Dec 18, 2014 at 9:53 AM, Pilot3514  wrote:
> I just got a used BeagleBone A5 and one of the features is that part of the
> SD card is visible to the computer it is plugged in to as a flash drive.
>
> How is this done?
> Is there something running in the Linux that services the I/O requests?
> Are there limitation?
> If I mount an NFS share could that be served to the host computer as thought
> it were also part of the USB flash drive?
>
> I find this very interesting.  Where can I learn more about this?

https://www.kernel.org/doc/Documentation/usb/gadget_multi.txt

Regards,

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

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Re: [beagleboard] State of mainline support for Bone/Black

[Robert Nelson]

On Thu, Dec 18, 2014 at 10:25 AM, Peter Hurley  wrote:
> Hi Robert,
>
> On 12/18/2014 10:18 AM, Robert Nelson wrote:
>> On Thu, Dec 18, 2014 at 9:10 AM, Peter Hurley  
>> wrote:
>>> Hi all,
>>>
>>> Having arrived late to the party, I'm wondering about the current situation
>>> wrt. mainline support for Bone/Black.
>>>
>>> Specifically,
>>> 1) is there a git tree for CapeMgr or is that a dead end?
>>
>> Well device tree "overlay's" just landed in v3.19-rc0 merge last
>> week.. CapeMgr needs to be tweaked for new overlay interface.
>
> Thanks for the info; just found the pull request and the maintainer's tree.
>
>>> 2) are there plans to upstream any of the eeprom/i2c-2/spi dts changes?
>
> What about some of the baseline DT node definitions (eg., eeprom on
> i2c0, ocp label)? I see there's already a name problem with the leds...

Well after helping a user get can0 working on i2c2/eeprom pins, i'd
say right now.  i2c2/eeprom should be an overlay and not enabled by
default. Thus a user can use can0.

So now that overlay is mainline, i'd like to setup an external repo
for all overlays on bb.org. (of course the next couple weeks are
filled with holidays..)

led name: personally i think we are stuck, the current mainline naming
has been that way for too long, i think we'll be carrying that patch
for awhile:

https://github.com/RobertCNelson/ti-linux-kernel-dev/blob/ti-linux-3.14.y/patches/beaglebone/dts/0002-dts-am335x-bone-common-fixup-leds-to-match-3.8.patch

any userspace app should really check for usr0/usr1 and use
heartbeat/mmc0 when usr0/usr1 is not present.

Regards,

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

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Re: [beagleboard] State of mainline support for Bone/Black

[Peter Hurley]

Hi Robert,

On 12/18/2014 10:18 AM, Robert Nelson wrote:
> On Thu, Dec 18, 2014 at 9:10 AM, Peter Hurley  
> wrote:
>> Hi all,
>>
>> Having arrived late to the party, I'm wondering about the current situation
>> wrt. mainline support for Bone/Black.
>>
>> Specifically,
>> 1) is there a git tree for CapeMgr or is that a dead end?
> 
> Well device tree "overlay's" just landed in v3.19-rc0 merge last
> week.. CapeMgr needs to be tweaked for new overlay interface.

Thanks for the info; just found the pull request and the maintainer's tree.

>> 2) are there plans to upstream any of the eeprom/i2c-2/spi dts changes?

What about some of the baseline DT node definitions (eg., eeprom on
i2c0, ocp label)? I see there's already a name problem with the leds...

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[beagleboard] How does the BeagleBone emulate a USB flash drive?

[Pilot3514]

I just got a used BeagleBone A5 and one of the features is that part of the 
SD card is visible to the computer it is plugged in to as a flash drive.

How is this done?
Is there something running in the Linux that services the I/O requests?  
Are there limitation?
If I mount an NFS share could that be served to the host computer as 
thought it were also part of the USB flash drive?

I find this very interesting.  Where can I learn more about this?

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Re: [beagleboard] A new camera board for the Beagleboeard XM - Vifff-024

[Robert Nelson]

On Thu, Dec 18, 2014 at 2:33 AM, Rick Mann  wrote:
> Will you be making one for BBB?

This is using the dedicated camera interface on the xM, the am335x
used on the BBB doesn't contain this IP block, thus would have much
"MUCH" slower performance. (if any performance at all)

Regards,

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

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[beagleboard] Sample Linux driver for Gpmc to connect Xilinx Fpga

[Ashish Mishra]

Dear All ,
I am  working on the GPMC interface for the first time and the task
assigned is to have Linux Device Driver

a)  Can any one please point to any sample code to configure the Gpmc
interface ( mostly we are planning to make simple read & write opration .
there is no throughput or interface width 8/16 bit. limitation) It is
supposed to do bare minimum read / write on fpga

b) As an starting point i am got a sample NAND DRIVER for GPMC--- just
started going through it.

Sorry if i am missing any simple starting understanding

Thank You ,
Ashish

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Re: [beagleboard] State of mainline support for Bone/Black

[Robert Nelson]

On Thu, Dec 18, 2014 at 9:10 AM, Peter Hurley  wrote:
> Hi all,
>
> Having arrived late to the party, I'm wondering about the current situation
> wrt. mainline support for Bone/Black.
>
> Specifically,
> 1) is there a git tree for CapeMgr or is that a dead end?

Well device tree "overlay's" just landed in v3.19-rc0 merge last
week.. CapeMgr needs to be tweaked for new overlay interface.

> 2) are there plans to upstream any of the eeprom/i2c-2/spi dts changes?

Regards,

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

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[beagleboard] State of mainline support for Bone/Black

[Peter Hurley]

Hi all,

Having arrived late to the party, I'm wondering about the current situation
wrt. mainline support for Bone/Black.

Specifically,
1) is there a git tree for CapeMgr or is that a dead end?
2) are there plans to upstream any of the eeprom/i2c-2/spi dts changes?

Regards,
Peter Hurley

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Re: [beagleboard] Jesse lxqt, 4.3 CAP lcd - Incorrect mouse cursor

[Robert Nelson]

On Thu, Dec 18, 2014 at 4:16 AM, Moscowbob  wrote:
> Hello All
>
> I am need of some help with getting the touch screen working correctly with
> the below configuration
>
> BBB Rev C
> Custom Cape with Newhaven 4.3 capactive touch screen
> Image: BBB-eMMC-flasher-debian-jessie-lxqt-armhf-2014-11-19-2gb.img
> Kernel: 3.14.26-ti-r41
>
> The system boots up and the desktop appears correctly, however, when I touch
> the screen, the mouse cursor hardly moves, I installed evtest and the touch
> screen is showing the correct data when different sections of the display is
> touched.
>
> I am using the built in kernel driver for edt-ft5x06 chip for touch screen
>
> How/where do I configure the desktop to use the touch screen as input or use
> it as a mouse ?
> Do I need to any additional packages installed in order to achieve this?

use:
xinput-calibrator

Except, i haven't wired it into lightdm to load it by default yet with
the Jessie Image.

Regards,

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

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[beagleboard] Jesse lxqt, 4.3 CAP lcd - Incorrect mouse cursor

[Moscowbob]

Hello All

I am need of some help with getting the touch screen working correctly with 
the below configuration

BBB Rev C
Custom Cape with Newhaven 4.3 capactive touch screen
Image: BBB-eMMC-flasher-debian-jessie-lxqt-armhf-2014-11-19-2gb.img
Kernel: 3.14.26-ti-r41

The system boots up and the desktop appears correctly, however, when I 
touch the screen, the mouse cursor hardly moves, I installed evtest and the 
touch screen is showing the correct data when different sections of the 
display is touched.

I am using the built in kernel driver for edt-ft5x06 chip for touch screen

How/where do I configure the desktop to use the touch screen as input or 
use it as a mouse ?
Do I need to any additional packages installed in order to achieve this?

Thanks

Rob

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[beagleboard] uio_pruss for 3.14 Kernel

[Nic Cyn]

Hi

I am beginning to experiment with programming the PRU's on the BBB and am 
following the standard steps. The PRU dev kit downloaded and compiled ok - 
however the uio_pruss driver does not seem to be available on my 3.14 
kernel. The modprobe command returns:

modprobe uio_pruss 
modprobe: FATAL: Module uio_pruss not found.

I am using Ubuntu 3.14 armhf - uio_pruss.ko seems to be missing in both the 
generic armhf.com verison and also the 

ubuntu-14.04.1-console-armhf-2014-10-29.tar.xz from RCN's repository.


I have dug around a bit and found two source code files which might be 
operational on the 3.14 kernel - however I cannot get them to compile.


Does anybody know where I can get a binary uio_pruss.ko which is suitable 
for a 3.14 kernel or, alternately, how to compile a device driver from 
source. I gather it is something of a black art and my attempts so far have 
been unsuccessful.


Thanks

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Re: [beagleboard] A new camera board for the Beagleboeard XM - Vifff-024

[Rick Mann]

Will you be making one for BBB?

> On Dec 17, 2014, at 23:30 , Hristo Laftchiev  wrote:
> 
> 
> 
> This is the most sensitive* camera add-on ever produced for the Beagleboard 
> XM (and I think also for the whole Beagle family of boards). Oriented towards 
> computer vision, CCTV etc. applications.
> We launched it 2 days ago.
> The authors are some crazy physicists, engineers and mathematicians from 
> bas.bg with Visensi start-up. It comes directly with Angstrom mSD, drivers 
> and example for OpenCV use installed. It must work immediately when you open 
> the box.
> (providing you put the mSD and the camera module in the right holes and in 
> the right direction).
> The important things are:
> 1. It starts, works immediately (no more asking this group what to do to 
> install the driver etc.) and you do your program job without caring about 
> hardware stuff.
> 2. Really exceptional sensitivity - we managed to follow and characterize 
> objects in midnight video stream (providing at least half moon illumination) 
> at 3-4 fps, which is enough for CCTV for example. I never saw a Beagleboard 
> XM compatible board with such capability*. 
> 3. Very configurable sensor - we are just beginning to use its most advanced 
> features.
> 4. You do not need capes and other additional stuff to put it working.
> 5. One developed and use a Media Controller driver (kernel 3.4), which allows 
> to employ the power of the Image capture processor of the DM3730 co-processor 
> which has many interesting functions - black level calibration, histogram and 
> man others. With older drivers (as those, used in the 2.6 kernels) this is 
> simply not possible.
> 
> For now we are selling it at eBay in small series. Just search for Vifff-024 
> or ViSensi or "camera for Beagleboard" at eBay.com or see for links on our 
> site. 
> 
> 
> *Please, if somebody doubts it - see the Aptina specifications here , compare 
> with other camera boards and write in the group if you find me wrong. I would 
> like to know it!
> 
> 
> 
> 
> 
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-- 
Rick Mann
rm...@latencyzero.com


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