Re: [beagleboard] Linux/BEAGLEBK: PRU-ICSS Ethernet issue

[Daniel Gorsulowski]

Hi!

Are you talking about the PHYs?
The normal way should be (as far as I understand) to cede the reset-timing 
to the prueth driver. But if I do so (define reset-gpios and reset-delay-us 
in pruss-mdio node), the PHY reset is never released.
So I handle the PHY-reset manually via GPIO access within a script. (The 
same script works fine if I use the PRU ports with EtherCAT or ProfiNet 
firmware)

Btw. the CPSW ethernet port (eth0) works fine, if I didn't mention it 
clearly enough.

Am Sonntag, 18. Dezember 2016 03:34:29 UTC+1 schrieb c2h2:
>
> Hi, are the power sequence /reset timing on the 3 ports correct? 
>
> On Fri, Dec 16, 2016 at 3:50 PM, Daniel Gorsulowski <
> daniel.go...@gmail.com > wrote:
>
>> Hi!
>>
>> I have an issue with a custom board, based on BeagleBone Black (BEAGLEBK) 
>> and AM3359 ICS (TMDSICE3359) design.
>> ...
>>
>

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Re: [beagleboard] Supporting Ubuntu Core on BBB in the long term

['Luther Goh Lu Feng' via BeagleBoard]

On Monday, December 19, 2016 at 4:04:47 AM UTC+8, William Hermans wrote:
>
>
> On Sun, Dec 18, 2016 at 1:00 PM, 'Luther Goh Lu Feng' via BeagleBoard <
> beagl...@googlegroups.com > wrote:
>
>> Noted your comments. In case it isn't clear, I am referring to Ubuntu 
>> Core[1], not Ubuntu. My use case, I am looking at deploying BBB as IoT 
>> gateway devices and I am assessing Ubuntu Core as a distro of choice for 
>> IoT use case. Thanks.
>>
>> -- Luther
>>
>> [1] https://www.ubuntu.com/core
>>
>
> It's still Ubuntu. Just a minimal version of.
>

I am looking at "containerised operating systems"[1]. At a cursory glance, 
Project Atomic and CoreOS didn't seem to have BBB images.I found community 
Ubuntu Core images for BBB, and that's why I am evaluating it for use now.

If there are any other choices out there, I will be happy to consider 
debian based alternatives that are containerised out of the box. Thanks.


-- Luther


[1] https://blog.docker.com/2015/02/the-new-minimalist-operating-systems/

 

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Re: [beagleboard] Pru Timer Capture

[Charles Steinkuehler]

On 12/18/2016 5:08 PM, Amr Alanwar wrote:
> Hi All
> 
> I would like to use PRU on BBB to capture the time of an event on an external 
> pin.
> In short, how to use PRU timers to do input capture?

Exactly the same way you use the timer/capture hardware on the ARM
side, you just have to write the code to run on the PRU instead.  See
section 15.3 of the TRM "Enhanced Capture (eCAP) Module)" for use
cases and example setup.

Note the latest universal overlays now allow pin multiplexing for the
PRU eCAP and UART hardware, and I can verify the PRU eCAP works in PWM
mode (which is what I'm using) and it should work fine in capture mode
as well.

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

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[beagleboard] Re: Wireless speed issues?

[Jay Doobie]

I believe I've found the problem to be power management on the wifi.  I 
have found a way to disable it manually, but not a method to disable it 
automatically.  Any ideas?

On Thursday, December 15, 2016 at 11:11:21 PM UTC-5, Jay Doobie wrote:
>
> I'm running with bone-debian-8.6-lxqt-4gb-armhf-2016-11-06-4gb.img.xz 
> ,
>  
> and my wireless connected without a problem, however at times I feel like 
> I'm back in the 80s typing on a 300baud modem.  I've checked log files and 
> dmesg and see nothing.  My load average seems to stay high even though I 
> see pretty much everything is idle.
>
>
>

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[beagleboard] Pru Timer Capture

[Amr Alanwar]

Hi All

I would like to use PRU on BBB to capture the time of an event on an 
external pin.
In short, how to use PRU timers to do input capture?

Many Thanks

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Re: [beagleboard] Supporting Ubuntu Core on BBB in the long term

[William Hermans]

On Sun, Dec 18, 2016 at 1:00 PM, 'Luther Goh Lu Feng' via BeagleBoard <
beagleboard@googlegroups.com> wrote:

> Noted your comments. In case it isn't clear, I am referring to Ubuntu
> Core[1], not Ubuntu. My use case, I am looking at deploying BBB as IoT
> gateway devices and I am assessing Ubuntu Core as a distro of choice for
> IoT use case. Thanks.
>
> -- Luther
>
> [1] https://www.ubuntu.com/core
>

It's still Ubuntu. Just a minimal version of.

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Re: [beagleboard] Supporting Ubuntu Core on BBB in the long term

['Luther Goh Lu Feng' via BeagleBoard]

Noted your comments. In case it isn't clear, I am referring to Ubuntu Core[1], 
not Ubuntu. My use case, I am looking at deploying BBB as IoT gateway devices 
and I am assessing Ubuntu Core as a distro of choice for IoT use case. Thanks.

-- Luther

[1] https://www.ubuntu.com/core

On Monday, December 19, 2016 3:53 AM, William Hermans  wrote:



I'm not sure I understand the rationale behind wanting to run Ubuntu on the 
Beaglebone hardware. Doing so would present all sort of problems for the end 
user attempting to replicate what others do with this platform using Debian. 
Also, while this hardware platform *can* run a desktop environment. It's not 
really well suited to do so. The experience would be incredibly slow, and 
potentially problematic.

Now, running Ubuntu on a Beagleboard X15 would probably make for an excellent 
experience. But we're talking 4x the system memory, with a multi core processor 
that is much faster.

Additionally, if one wants to run Ubuntu CLI( command line interface only ), 
then one needs to understand that there would really be no benefit compared to 
Debian. In fact, as mentioned above. Imposing such a "restriction" on yourself 
would be potentially very problematic. The only beneficial difference here 
would be Ubuntu's different packages, which may, or may not be newer in nature. 
For the beaglebone hardware however, this is largely if not completely moot, 
and unnecessary. 

The money thing I get though. They're just wanting their developers to get 
paid. Which as a developer myself, I like to get paid too. However, in this 
case where we're talking armhf as the platform ABI. I'm not sure why they would 
want more money for something they're already doing for the rPI, and multiple 
other platforms. Maybe they're talking specifically about the beaglebone 
hardware abstraction . . . but seriously. Everything the beaglebone has in 
hardware is already supported, Otherwise those who are using older versions of 
Ubuntu successfully, would not be so successful. 



On Sun, Dec 18, 2016 at 12:25 PM, evilwulfie  wrote:

Good reasons to stick with Debian i would say.
>
>On 12/18/2016 12:23 PM, Robert Nelson wrote:
>> On Sun, Dec 18, 2016 at 12:38 PM, 'Luther Goh Lu Feng' via BeagleBoard
>>  wrote:
>>> Hi there,
>>>
>>> I am having a conversation with the Ubuntu Core community to figure out how
>>> to get BBB supported in the long run. I am posting the thread link here in
>>> case anyone is interested in this as well
>>>
>>> https://lists.ubuntu.com/ archives/snapcraft/2016- December/002086.html
>> Dealing with Canonical on anything long run requires $...
>>
>> They rely on $ from support requests, by having this vibrant
>> self-sufficient community, that blows there whole profit opportunity.
>>
>> In the past Canonical has talked to us before about a special Blessed
>> BeagleBone image.. BUT they wanted "us" to support "it"...  Each time
>> I've said No, if you want "our" support on anything, you have to have
>> a ubuntu developer helping users in our forum..
>>
>> Regards,
>>
>
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Re: [beagleboard] Supporting Ubuntu Core on BBB in the long term

[William Hermans]

I'm not sure I understand the rationale behind wanting to run Ubuntu on the
Beaglebone hardware. Doing so would present all sort of problems for the
end user attempting to replicate what others do with this platform using
Debian. Also, while this hardware platform *can* run a desktop environment.
It's not really well suited to do so. The experience would be incredibly
slow, and potentially problematic.

Now, running Ubuntu on a Beagleboard X15 would probably make for an
excellent experience. But we're talking 4x the system memory, with a multi
core processor that is much faster.

Additionally, if one wants to run Ubuntu CLI( command line interface only
), then one needs to understand that there would really be no benefit
compared to Debian. In fact, as mentioned above. Imposing such a
"restriction" on yourself would be potentially very problematic. The only
beneficial difference here would be Ubuntu's different packages, which may,
or may not be newer in nature. For the beaglebone hardware however, this is
largely if not completely moot, and unnecessary.

The money thing I get though. They're just wanting their developers to get
paid. Which as a developer myself, I like to get paid too. However, in this
case where we're talking armhf as the platform ABI. I'm not sure why they
would want more money for something they're already doing for the rPI, and
multiple other platforms. Maybe they're talking specifically about the
beaglebone hardware abstraction . . . but seriously. Everything the
beaglebone has in hardware is already supported, Otherwise those who are
using older versions of Ubuntu successfully, would not be so successful.

On Sun, Dec 18, 2016 at 12:25 PM, evilwulfie  wrote:

> Good reasons to stick with Debian i would say.
>
> On 12/18/2016 12:23 PM, Robert Nelson wrote:
> > On Sun, Dec 18, 2016 at 12:38 PM, 'Luther Goh Lu Feng' via BeagleBoard
> >  wrote:
> >> Hi there,
> >>
> >> I am having a conversation with the Ubuntu Core community to figure out
> how
> >> to get BBB supported in the long run. I am posting the thread link here
> in
> >> case anyone is interested in this as well
> >>
> >> https://lists.ubuntu.com/archives/snapcraft/2016-December/002086.html
> > Dealing with Canonical on anything long run requires $...
> >
> > They rely on $ from support requests, by having this vibrant
> > self-sufficient community, that blows there whole profit opportunity.
> >
> > In the past Canonical has talked to us before about a special Blessed
> > BeagleBone image.. BUT they wanted "us" to support "it"...  Each time
> > I've said No, if you want "our" support on anything, you have to have
> > a ubuntu developer helping users in our forum..
> >
> > Regards,
> >
>
> --
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Re: [beagleboard] are there other ARMHF repos?

[Robert Nelson]

On Sun, Dec 18, 2016 at 12:56 PM, Stephane Charette
 wrote:
> By default when I install a BB with one of the usual RCN builds, the repos
> as defined in /etc/apt/sources.list are set to the following:
>
> deb http://httpredir.debian.org/debian/ jessie main contrib non-free
> deb http://httpredir.debian.org/debian/ jessie-updates main contrib non-free
> deb http://security.debian.org/ jessie/updates main contrib non-free
> deb https://deb.nodesource.com/node_0.12 jessie main
> deb [arch=armhf] http://repos.rcn-ee.com/debian/ jessie main
>
> Are there other well-known ARMHF repos that I can add if the package I'm
> looking for isn't there?
>
> For example, I like to use "fish" as my shell.  When I try to install it, I
> get this:
>
> $ sudo apt-get install fish
> Reading package lists... Done
> Building dependency tree
> Reading state information... Done
> Package fish is not available, but is referred to by another package.
> This may mean that the package is missing, has been obsoleted, or
> is only available from another source
> E: Package 'fish' has no installation candidate
>
> Yes, I could build it myself, but that defeats the entire purpose of having
> package management, automatic updates when security fixes are available,
> etc.

try again:

sudo apt-get update ; sudo apt-get install fish

https://packages.debian.org/source/jessie-backports/fish

Regards,

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

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Re: [beagleboard] Supporting Ubuntu Core on BBB in the long term

[evilwulfie]

Good reasons to stick with Debian i would say.

On 12/18/2016 12:23 PM, Robert Nelson wrote:
> On Sun, Dec 18, 2016 at 12:38 PM, 'Luther Goh Lu Feng' via BeagleBoard
>  wrote:
>> Hi there,
>>
>> I am having a conversation with the Ubuntu Core community to figure out how
>> to get BBB supported in the long run. I am posting the thread link here in
>> case anyone is interested in this as well
>>
>> https://lists.ubuntu.com/archives/snapcraft/2016-December/002086.html
> Dealing with Canonical on anything long run requires $...
>
> They rely on $ from support requests, by having this vibrant
> self-sufficient community, that blows there whole profit opportunity.
>
> In the past Canonical has talked to us before about a special Blessed
> BeagleBone image.. BUT they wanted "us" to support "it"...  Each time
> I've said No, if you want "our" support on anything, you have to have
> a ubuntu developer helping users in our forum..
>
> Regards,
>

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Re: [beagleboard] Supporting Ubuntu Core on BBB in the long term

[Robert Nelson]

On Sun, Dec 18, 2016 at 12:38 PM, 'Luther Goh Lu Feng' via BeagleBoard
 wrote:
> Hi there,
>
> I am having a conversation with the Ubuntu Core community to figure out how
> to get BBB supported in the long run. I am posting the thread link here in
> case anyone is interested in this as well
>
> https://lists.ubuntu.com/archives/snapcraft/2016-December/002086.html

Dealing with Canonical on anything long run requires $...

They rely on $ from support requests, by having this vibrant
self-sufficient community, that blows there whole profit opportunity.

In the past Canonical has talked to us before about a special Blessed
BeagleBone image.. BUT they wanted "us" to support "it"...  Each time
I've said No, if you want "our" support on anything, you have to have
a ubuntu developer helping users in our forum..

Regards,

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

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Re: [beagleboard] are there other ARMHF repos?

[William Hermans]

By the way, the package I built from source, would work on any armhf, using
the same libc. Which I forget which version comes on the latest beaglebone
images. but a good guide is that whichever system you want install  it on
uses the same version of gcc. So in this case, the package I built for my
beaglebones was built on a Raspberry Pi 3 running Raspbian Jessie, with gcc
4.9.x.

The point I'm trying to make here, is that this package would, and does
work for more than just the beaglebones.

On Sun, Dec 18, 2016 at 12:15 PM, William Hermans  wrote:

>
>
> On Sun, Dec 18, 2016 at 11:56 AM, Stephane Charette <
> stephanechare...@gmail.com> wrote:
>
>> By default when I install a BB with one of the usual RCN builds, the
>> repos as defined in /etc/apt/sources.list are set to the following:
>>
>> deb http://httpredir.debian.org/debian/ jessie main contrib non-free
>> deb http://httpredir.debian.org/debian/ jessie-updates main contrib
>> non-free
>> deb http://security.debian.org/ jessie/updates main contrib non-free
>> deb https://deb.nodesource.com/node_0.12 jessie main
>> deb [arch=armhf] http://repos.rcn-ee.com/debian/ jessie main
>>
>> Are there other well-known ARMHF repos that I can add if the package I'm
>> looking for isn't there?
>>
>
> Well this is a problem. "well known" does not necessarily imply "secure".
> All those listed above except for the nodesource, and RCN repo's are
> official. Personally, I would not add the nodesource repo, but have no
> qualms with Roberts repo.
>
>>
>> For example, I like to use "fish" as my shell.  When I try to install it,
>> I get this:
>>
>> $ *sudo apt-get install fish*
>> Reading package lists... Done
>> Building dependency tree
>> Reading state information... Done
>> Package fish is not available, but is referred to by another package.
>> This may mean that the package is missing, has been obsoleted, or
>> is only available from another source
>> E: Package 'fish' has no installation candidate
>>
>> Yes, I could build it myself, but that defeats the entire purpose of
>> having package management, automatic updates when security fixes are
>> available, etc.
>>
>
> So build the package once, and use it multiple times. This is one reason
> why I would not use the nodesource repo. I build my own Nodejs, from source
> tarballs my self. Currently I have a Nodejs 4.6.2 *deb, that I install on
> any system that needs it. Just a simple file transfer, and sudo dpkg -i
>  away.
>
>

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Re: [beagleboard] are there other ARMHF repos?

[William Hermans]

On Sun, Dec 18, 2016 at 11:56 AM, Stephane Charette <
stephanechare...@gmail.com> wrote:

> By default when I install a BB with one of the usual RCN builds, the repos
> as defined in /etc/apt/sources.list are set to the following:
>
> deb http://httpredir.debian.org/debian/ jessie main contrib non-free
> deb http://httpredir.debian.org/debian/ jessie-updates main contrib
> non-free
> deb http://security.debian.org/ jessie/updates main contrib non-free
> deb https://deb.nodesource.com/node_0.12 jessie main
> deb [arch=armhf] http://repos.rcn-ee.com/debian/ jessie main
>
> Are there other well-known ARMHF repos that I can add if the package I'm
> looking for isn't there?
>

Well this is a problem. "well known" does not necessarily imply "secure".
All those listed above except for the nodesource, and RCN repo's are
official. Personally, I would not add the nodesource repo, but have no
qualms with Roberts repo.

>
> For example, I like to use "fish" as my shell.  When I try to install it,
> I get this:
>
> $ *sudo apt-get install fish*
> Reading package lists... Done
> Building dependency tree
> Reading state information... Done
> Package fish is not available, but is referred to by another package.
> This may mean that the package is missing, has been obsoleted, or
> is only available from another source
> E: Package 'fish' has no installation candidate
>
> Yes, I could build it myself, but that defeats the entire purpose of
> having package management, automatic updates when security fixes are
> available, etc.
>

So build the package once, and use it multiple times. This is one reason
why I would not use the nodesource repo. I build my own Nodejs, from source
tarballs my self. Currently I have a Nodejs 4.6.2 *deb, that I install on
any system that needs it. Just a simple file transfer, and sudo dpkg -i
 away.

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Re: [beagleboard] Re: Ubuntu on the Beagle

[William Hermans]

On Sun, Dec 18, 2016 at 5:05 AM, Elena ``of Valhalla'' <
elena.valha...@gmail.com> wrote:

>
> Other hardware that may be problematic of course is new hardware which
> requires a new kernel, and if you're not already using testing (as
> mentioned in the other email), usually there is always one in backports.
>

This has not been my experience. My experience has been that if your
drivers are not in stable, dont bother with testing, or sid. My last
experience with this was when I had a new Core 2 Duo( E6300 CPU) system
that would not work 100%. As I recall no matter what I did, the SATA
controller would not work. Which was because the chipset was not fully
recognized by Debian. With that said, the hardware at that time would not
work with any distro.

However, I'm of the opinion now days that you buy the hardware for your
software. e.g. You buy hardware you know that works good for your given OS.

There also comes the point that sure, maybe I've a lot of experience with
Debian, and can figure out most problem related to it. But often,
especially the older I get. I just want whatever it is I'm using to work.
So if I need a desktop, for a system that may serve as a personal system,
or a workstation. I may just opt for something that "just works" "out of
the box".

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[beagleboard] are there other ARMHF repos?

[Stephane Charette]

By default when I install a BB with one of the usual RCN builds, the repos 
as defined in /etc/apt/sources.list are set to the following:

deb http://httpredir.debian.org/debian/ jessie main contrib non-free
deb http://httpredir.debian.org/debian/ jessie-updates main contrib non-free
deb http://security.debian.org/ jessie/updates main contrib non-free
deb https://deb.nodesource.com/node_0.12 jessie main
deb [arch=armhf] http://repos.rcn-ee.com/debian/ jessie main

Are there other well-known ARMHF repos that I can add if the package I'm 
looking for isn't there?

For example, I like to use "fish" as my shell.  When I try to install it, I 
get this:

$ *sudo apt-get install fish*
Reading package lists... Done
Building dependency tree   
Reading state information... Done
Package fish is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source
E: Package 'fish' has no installation candidate

Yes, I could build it myself, but that defeats the entire purpose of having 
package management, automatic updates when security fixes are available, 
etc.

Stéphane

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[beagleboard] Supporting Ubuntu Core on BBB in the long term

['Luther Goh Lu Feng' via BeagleBoard]

Hi there,

I am having a conversation with the Ubuntu Core community to figure out how 
to get BBB supported in the long run. I am posting the thread link here in 
case anyone is interested in this as well

https://lists.ubuntu.com/archives/snapcraft/2016-December/002086.html



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Re: [beagleboard] Re: Help with PIR demo

[evilwulfie]

P9_5 would get its power from the barrel jack
P9_7 is supplied from the PMIC
PMIC can get its power from USB or P9_5 or the barrel jack

 I highly recommend reading the schematic when you design hardware for
the BBB.
 can save a lot of head scratching.



On 12/18/2016 10:13 AM, Chris Fink wrote:
> Yes, thank you very much for walking through the examples, I do
> appreciate it. I figured out the solution: for some reason pin P9_5
> ("VDD 5V," the pin the demo says to use to power the PIR) was not
> working. But I discovered that pin P9_7 ("SYS 5V") /is/ working, so I
> used that to power the PIR, and now everything is working perfectly. I
> did play around with the re-triggering, but either setting seemed to
> work pretty well (one setting was more responsive, while the other one
> stayed on the whole time motion was detected). Thanks again for all
> the help!
>
> This is also my first time using a Google Groups message board. Is
> there some way to officially "accept" or "like" an answer, like on
> stackoverflow?
>
> On Friday, December 16, 2016 at 10:41:09 PM UTC-5, Chris Fink wrote:
>
> This is my first time using a BeagleBone Black (it's a Rev C), and
> I started out with the "Blink on-board LED
> " and
> "Blink external LED
> "
> demos, both of which worked perfectly. Then I advanced to the PIR
> Motion Sensor demo
> , and
> I'm quite certain I connected everything just as they said, but I
> can't seem to get it to work.
>
> At first the LED light turned on right away, and I got a constant
> succession of "Motion Detected" messages. Then I realized that the
> code assumed an active-LOW output from the PIR, but my PIR is
> active-HIGH
> 
> ,
> so I changed the lines
>
> *if(x.value === 0){
>  b.digitalWrite(led, 1);
> console.log("Motion Detected");*
>
> to instead be
>
> *if(x.value === 1){
>  b.digitalWrite(led, 1);
> console.log("Motion Detected");*
>
> In this case the light does _not_ come on, and I get a constant
> succession of "No Motion Detected" messages...and the PIR never
> detects motion, no matter how much I move, or how close I am. I
> even tried a different PIR
> 
> (also active-HIGH), and got the exact same results. I also tried
> removing the pull-up resistor, which also did not work.
>
>
> Then I found this post...
>
> 
> https://groups.google.com/forum/#!searchin/beagleboard/pir%7Csort:relevance/beagleboard/ydD2Cyi5fJo/QK0jHa53NMgJ
> 
> 
>
> ...which makes me think that the demo isn't working because I'm
> not using the *exact* PIR sensor prescribed in the PIR Motion
> Sensor demo
> . If
> that is the case, where do I purchase that PIR sensor? I cannot
> find a link to it anywhere.
>
>
> Thanks in advance for the help!
>
>
>
> -- 
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[beagleboard] Re: Help with PIR demo

[Chris Fink]

Yes, thank you very much for walking through the examples, I do appreciate 
it. I figured out the solution: for some reason pin P9_5 ("VDD 5V," the pin 
the demo says to use to power the PIR) was not working. But I discovered 
that pin P9_7 ("SYS 5V") *is* working, so I used that to power the PIR, and 
now everything is working perfectly. I did play around with the 
re-triggering, but either setting seemed to work pretty well (one setting 
was more responsive, while the other one stayed on the whole time motion 
was detected). Thanks again for all the help!

This is also my first time using a Google Groups message board. Is there 
some way to officially "accept" or "like" an answer, like on stackoverflow?

On Friday, December 16, 2016 at 10:41:09 PM UTC-5, Chris Fink wrote:
>
> This is my first time using a BeagleBone Black (it's a Rev C), and I 
> started out with the "Blink on-board LED 
> " and "Blink 
> external LED 
> " 
> demos, both of which worked perfectly. Then I advanced to the PIR Motion 
> Sensor demo , 
> and I'm quite certain I connected everything just as they said, but I can't 
> seem to get it to work. 
>
> At first the LED light turned on right away, and I got a constant 
> succession of "Motion Detected" messages. Then I realized that the code 
> assumed an active-LOW output from the PIR, but my PIR is active-HIGH 
> , 
> so I changed the lines 
>
>
>
> *if(x.value === 0){  b.digitalWrite(led, 1); 
> console.log("Motion Detected");*
>
> to instead be
>
>
>
> *if(x.value === 1){  b.digitalWrite(led, 1); 
> console.log("Motion Detected");*
>
> In this case the light does *not* come on, and I get a constant 
> succession of "No Motion Detected" messages...and the PIR never detects 
> motion, no matter how much I move, or how close I am. I even tried a 
> different PIR 
>  
> (also active-HIGH), and got the exact same results. I also tried removing 
> the pull-up resistor, which also did not work.
>
>
> Then I found this post...
>
>
> https://groups.google.com/forum/#!searchin/beagleboard/pir%7Csort:relevance/beagleboard/ydD2Cyi5fJo/QK0jHa53NMgJ
>
> ...which makes me think that the demo isn't working because I'm not using 
> the *exact* PIR sensor prescribed in the PIR Motion Sensor demo 
> . If that is 
> the case, where do I purchase that PIR sensor? I cannot find a link to it 
> anywhere.
>
>
> Thanks in advance for the help!
>
>
>
>

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[beagleboard] after flashing to Debian 8.6 no gui anymore

[Harke Smits]

Dear all,

I managed to flash a recent purchased BBB to Debian 8.6 
(BBB-blank-debian8.6-lxqt-4gb-2016-11-27).It works (partly) as I can see 
via Cloud 9 acces. But the gui is gone. I no longer have a graphical 
display (4D systems) nor keyboard/mouse access (via usb dongle). The 
display is fully lit. The board is completely accessable via Cloud9 and 
normal linux commands work via this interface. I did an update (sudo 
apt-get update) followed by reboot but no succes. Do I miss something? 
Please advise. Many thanks in advance,
Harke
Btw: the Debian version of 2015-11-03 works great! (I still have the SD 
card)

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[beagleboard] GPRS/GSM shield

[Lloyd Bailey]

Hi All,

Has anyone any experience with this company 
YANTRR http://yantrr.co/index.php?route=common/home
I am looking to buy a GPRS/GSM shield for the Beaglebone black for a 
weather project.

Any information would be appreciated.


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[beagleboard] [BBB] Debian is freezed when AR9271 based WiFi adapter connected

[Kasun Hewage]

Hi,

I am trying to get a NetGear WNA1100 (based on AR9271) USB adapter attached 
to BBB connected to WiFi access point. I can get it connected successfully 
via connmanctl. 
However, BBB freezes shortly after the connection is made. When I unplug 
the WNA1100 adapter, BBB things get back to normal. The same happens when I 
try with a TL-WN722N (based on AR9271) adapter.
Note that this doesn't happen when I use a AWUS036NH (based on RT3070) 
adapter. Looks like the problem is with ath9k driver being stuck in a loop 
due to some reason.

Has anyone experienced the same problem?

Here are the configurations I am using on BBB:

Debian 8.6 2016-12-09 4GB SD IoT image on BBB.

uname -a 
Linux beaglebone 4.4.36-ti-r72 #1 SMP Wed Dec 7 22:29:53 UTC 2016 armv7l 
GNU/Linux

lsusb
Bus 001 Device 007: ID 0846:9030 NetGear, Inc. WNA1100 Wireless-N 150 
[Atheros AR9271]  

lsmod (I am including only the relevant details to make this post short)

ath9k_htc  62687  0 
ath9k_common   29906  1 ath9k_htc
ath9k_hw  452958  2 ath9k_common,ath9k_htc
ath23009  3 ath9k_common,ath9k_htc,ath9k_hw
mac80211  626207  1 ath9k_htc
cfg80211  531670  4 ath,ath9k_common,mac80211,ath9k_htc
rfkill 21386  3 cfg80211

dmesg (I am including only the relevant details to make this post short)

[  195.426274] usb 1-1.2: new high-speed USB device number 6 using musb-hdrc
[  195.530690] usb 1-1.2: New USB device found, idVendor=0846, 
idProduct=9030
[  195.530715] usb 1-1.2: New USB device strings: Mfr=16, Product=32, 
SerialNumber=48
[  195.530727] usb 1-1.2: Product: WNA1100
[  195.530738] usb 1-1.2: Manufacturer: NETGEAR WNA
[  195.530748] usb 1-1.2: SerialNumber: 12345
[  195.877792] usb 1-1.2: ath9k_htc: Firmware ath9k_htc/htc_9271-1.4.0.fw 
requested
[  195.886470] usbcore: registered new interface driver ath9k_htc
[  196.167948] usb 1-1.2: ath9k_htc: Transferred FW: 
ath9k_htc/htc_9271-1.4.0.fw, size: 51008
[  196.423796] ath9k_htc 1-1.2:1.0: ath9k_htc: HTC initialized with 33 
credits
[  196.723050] ath9k_htc 1-1.2:1.0: ath9k_htc: FW Version: 1.4
[  196.723085] ath9k_htc 1-1.2:1.0: FW RMW support: On
[  196.723100] ath: EEPROM regdomain: 0x60
[  196.723109] ath: EEPROM indicates we should expect a direct regpair map
[  196.723130] ath: Country alpha2 being used: 00
[  196.723138] ath: Regpair used: 0x60
[  196.879267] ieee80211 phy0: Atheros AR9271 Rev:1
[  197.062446] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[  198.188169] wlan0: authenticate with 30:85:a9:6a:1a:5c
[  198.342781] wlan0: send auth to 30:85:a9:6a:1a:5c (try 1/3)
[  198.351258] wlan0: authenticated
[  198.358372] wlan0: associate with 30:85:a9:6a:1a:5c (try 1/3)
[  198.363329] wlan0: RX AssocResp from 30:85:a9:6a:1a:5c (capab=0x411 
status=0 aid=2)
[  198.376174] wlan0: associated
[  198.376281] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
[  248.631017] INFO: rcu_sched self-detected stall on CPU
[  248.637364] 0-...: (5250 ticks this GP) idle=915/142/0 
softirq=0/0 fqs=0 
[  248.645728] (t=5250 jiffies g=17320 c=17319 q=1583)
[  248.651507] rcu_sched kthread starved for 5250 jiffies! g17320 c17319 
f0x0 s3 ->state=0x1
[  248.660063] Task dump for CPU 0:
[  248.660324] kworker/0:0 R running  0 4  2 0x0002
[  248.661155] Workqueue: events dbs_timer
[  248.661996] [] (unwind_backtrace) from [] 
(show_stack+0x20/0x24)
[  248.662556] [] (show_stack) from [] 
(sched_show_task+0xb8/0x110)
[  248.663099] [] (sched_show_task) from [] 
(dump_cpu_task+0x48/0x4c)
[  248.663771] [] (dump_cpu_task) from [] 
(rcu_dump_cpu_stacks+0x9c/0xd8)
[  248.664364] [] (rcu_dump_cpu_stacks) from [] 
(rcu_check_callbacks+0x5c8/0x910)
[  248.664960] [] (rcu_check_callbacks) from [] 
(update_process_times+0x4c/0x74)
[  248.665503] [] (update_process_times) from [] 
(tick_sched_handle+0x64/0x70)
[  248.666001] [] (tick_sched_handle) from [] 
(tick_sched_timer+0x58/0x9c)
[  248.666531] [] (tick_sched_timer) from [] 
(__hrtimer_run_queues+0x1b4/0x3a8)
[  248.667100] [] (__hrtimer_run_queues) from [] 
(hrtimer_interrupt+0xd4/0x230)
[  248.667689] [] (hrtimer_interrupt) from [] 
(omap2_gp_timer_interrupt+0x38/0x40)
[  248.668336] [] (omap2_gp_timer_interrupt) from [] 
(handle_irq_event_percpu+0xa0/0x2a0)
[  248.668926] [] (handle_irq_event_percpu) from [] 
(handle_irq_event+0x54/0x78)
[  248.669463] [] (handle_irq_event) from [] 
(handle_level_irq+0xb0/0x148)
[  248.669988] [] (handle_level_irq) from [] 
(generic_handle_irq+0x34/0x44)
[  248.670553] [] (generic_handle_irq) from [] 
(__handle_domain_irq+0x6c/0xc4)
[  248.671104] [] (__handle_domain_irq) from [] 
(omap_intc_handle_irq+0x44/0xa0)
[  248.671684] [] (omap_intc_handle_irq) from [] 
(__irq_svc+0x54/0x70)
[  248.671990] Exception stack(0xdc14b698 to 0xdc14b6e0)
[  248.672362] b680:   
db399540 dc8ba624
[  248.672883] b6a0: db5cb000  db399540 c0f95

Re: [beagleboard] Re: Ubuntu on the Beagle

[Elena ``of Valhalla'']

On 2016-12-15 at 14:49:25 -0700, William Hermans wrote:
> Ubuntu is a go to Distro for systems that may be running newer( current )
> hardware, that may not be supported  by another distros out of the box.
> Ubuntu is also good for desktop like situations. Where someone may want an
> OS that "just works", and looks good, with desktop hardware acceleration.

This is a point where the way Debian works may require some explanation.

Debian is very picky on the topic of licensing / Free Software: if
something is not Free Software (according to the DFSG_) and its sources
can't be compiled using just Free Software it is not included in Debian
"proper" (``main``).

.. _DFSG: https://www.debian.org/social_contract#guidelines

This however includes a number of packages that are sometimes required
to work with some hardware, and those are being made available because
lots of users actually need them (at least, when Debian is legally able
to distribute them, of course), but they are relegated to ``contrib``
(free software that requires non-free software somehow to work) and
``non-free`` (really non-free software).

The latter includes the firmwares required e.g. by most wifi cards and
making them works is as easy (once you know the trick) as googling
"debian wiki ", finding out which firmware package you
need to install from non-free, do so, and reloading a kernel module /
rebooting.

Other hardware that may be problematic of course is new hardware which
requires a new kernel, and if you're not already using testing (as
mentioned in the other email), usually there is always one in backports.
-- 
Elena ``of Valhalla''

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Re: [beagleboard] Re: Ubuntu on the Beagle

[William Hermans]

On Sun, Dec 18, 2016 at 2:40 AM, Elena ``of Valhalla'' <
elena.valha...@gmail.com> wrote:

> On 2016-12-15 at 14:49:25 -0700, William Hermans wrote:
> > Debian, and Ubuntu use different init daemons, at least the last I
> > read. Although I've also read that Canonical was seriously considering
> > switching to systemd, soon.
>
> Already happened, in 15.04
>

I figured as much, but did not bother to look.

>
> They still use their own custom desktop environment unity and they are
> still working on their own display server mir (which afaik they use in
> the phone version of Ubuntu)
>

I never used Unity. I have used Lubuntu(LXDE) 14,04, have it installed on
an old laptop in fact. I think it rivals the desktop of Windows, and is
very good for that sort of thing.

>
> Also, Debian uses systemd by default in the linux archs, but still
> supports sysV init and iirc openrc (altought the latter is probably used
> by just a handful of people). Using Upstart as in Ubuntu was available
> as another choice (and possibly still is), but since its developement
> has been stopped by upstream (Canonical) it's probably going to die away.
>
> So, there are several "Debian without systemd" websites out there that are
dedicated to instructing a user to remove systemd, and reinstall SysV. I've
personally done this in the past, but I think more people out there that
are old school probably do not want to deal with systemd - At least
initially. I do understand why, as it's a serious pain having to try and
figure something out, that you already know how to do another way. But
documentation now seems to be much better, and it's not too hard figuring
things out now. That's my take on it anyhow.

Anyway, I've been using Debian a lng time - Since the 90's. That and my
hands on experience with Ubuntu also goes back a long ways. Furthest back I
remember is 8.xx, but possibly further back. On a, or for a "desktop", now
days Ubuntu does not seem all that terrible. But I do recall the days where
you couldn't trust Ubuntu to do much of anything. Personally, I think for
the beaglebone,  Ubuntu is useless. Definitely, on the cmd line, it's not
easier to use than Debian. On an x86 Desktop *maybe*, but only because
there is a much better out of the box experience. Then stuff like LXDE +
Cairo was easy on 14.04, where it would turn into a hair pulling "festival"
attempting the same thing on Debian.

I'm of the opinion however, if you're running X on Debian . . .well then
you're doing it wrong, or you're using the wrong distro. Simply, because
there are other more "cutting edge" distro's out there that will have a
much better desktop experience. Ubuntu is one, and Sabayon( Gentoo based )
is another. Others yet, seem to like LMDE( Mint ) . . . and I know a few
who think that Kali is something to be used as a desktop . . .heh.

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Re: [beagleboard] Re: Ubuntu on the Beagle

[Elena ``of Valhalla'']

On 2016-12-15 at 14:49:25 -0700, William Hermans wrote:
> Debian, and Ubuntu use different init daemons, at least the last I
> read. Although I've also read that Canonical was seriously considering
> switching to systemd, soon.

Already happened, in 15.04

They still use their own custom desktop environment unity and they are
still working on their own display server mir (which afaik they use in
the phone version of Ubuntu)

Also, Debian uses systemd by default in the linux archs, but still
supports sysV init and iirc openrc (altought the latter is probably used
by just a handful of people). Using Upstart as in Ubuntu was available
as another choice (and possibly still is), but since its developement
has been stopped by upstream (Canonical) it's probably going to die away.

-- 
Elena ``of Valhalla''

-- 
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Re: [beagleboard] Re: Ubuntu on the Beagle

[Elena ``of Valhalla'']

On 2016-12-15 at 02:02:29 -0800, Heinz Hummel wrote:
> I don't know what the reason is but I personally prefer Ubuntu because it 
> is easier to use, it has a bigger community which is more responsive and 
> more friendly and one can choose to use a LTS version (and stay with older 
> software) or a normal version (and get newer software). Debian seems to be 
> LLLTS only...

Debian people who need newer software tend to use one of two approachs.

One is using testing, which is usually reliable enough to be used in
daily work, altought sometimes there are issues and having another
working installation to run in an emergency helps. This is what I do
with my workstation, except for the first few months after a stable
release, when testing tends to be quite in flux (and the software in
stable is not that old).

The other one is adding backports_ to a stable system and only install
those few softwares that are actually needed in a newer version: this is
generally much safer as you're sure that the basic OS is not going to
break and it's what I'm using on my servers.

.. _backports: https://backports.debian.org/

As for the community, in my experience the Debian one may be somewhat
smaller, but it's quite technical and thus equally likely to be able to
help in case of problems, and it also includes a number of ex or
mostly-ex ubuntu people who got back into Debian when they realized that
the aims of Canonical weren't really aligned with their interest any
longer.

-- 
Elena ``of Valhalla''

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