Re: [beagleboard] Re: Announcing $25 PocketBeagle

2017-10-09 Thread Robert Nelson 
On Mon, Oct 9, 2017 at 11:11 PM, Wilhelm Matilainen
 wrote:
> Will there be a wireless version of the PocketBeagle?
> It is like the Raspberry Pi Zero. The wireless connectivity was lacking, so
> now they have the Raspberry Pi Zero W.

The PocketBeagle is now oshwa certified, so "everything" is available
for you to go spin a board with wifi.

Regards,

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

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[beagleboard] Re: Announcing $25 PocketBeagle

2017-10-09 Thread Wilhelm Matilainen 
Will there be a wireless version of the PocketBeagle?
It is like the Raspberry Pi Zero. The wireless connectivity was lacking, so 
now they have the Raspberry Pi Zero W.

torstai 21. syyskuuta 2017 18.35.38 UTC+3 Jason Kridner kirjoitti:
>
> https://beagleboard.org/pocket
>
> Trying to get a few things documented at 
> https://github.com/beagleboard/pocketbeagle/wiki/FAQ, so feel free to 
> start throwing out questions here, on IRC or on the github site.
>
>
> -- 
> https://beagleboard.org/about
>

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Re: [beagleboard] did we change /proc/device-tree/compatible?

2017-10-09 Thread Robert Nelson 
> ...and the addition of the two GROVE ports.  Not sure if that's important,
> but in my case the software behaves differently and initializes different
> things if running on a BBG since we expect certain devices to be hooked up
> to the GROVE ports.

The i2c port is always active, the usart port just needs a (config-pin
<> uart ; config-pin <> uart) (dont' know the pin number off the top
of my head..)

Regards,

-- 
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Re: [beagleboard] did we change /proc/device-tree/compatible?

2017-10-09 Thread Robert Nelson 
On Mon, Oct 9, 2017 at 8:24 PM, Stéphane Charette
 wrote:
>> Is it really worth it thou? ;)
>
>
>
> Sorry, Robert, you lost me, I'm not familiar with the things you're pointing
> out.  From an end-user perspective, all I need to know is how can I
> determine what type of board my code is running?

Well today:

sudo /opt/scripts/tools/version.sh | grep eeprom

>  I used to look at
> /proc/device-tree/compatible but that no longer works.  Is there a different
> or better file I should be reading to determine if I'm on a BBG, BBB, BBGW,
> etc?

No, i just need to write a fixup pass in u-boot so those two strings
are the correct value for the BBG...

Regards,

-- 
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Re: [beagleboard] did we change /proc/device-tree/compatible?

2017-10-09 Thread Stéphane Charette 
>
> So if we assume the BeagleBone Green = BeagleBone Black (minus) HDMI
> (audio/video)...
>

...and the addition of the two GROVE ports.  Not sure if that's important,
but in my case the software behaves differently and initializes different
things if running on a BBG since we expect certain devices to be hooked up
to the GROVE ports.

Stéphane

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Re: [beagleboard] did we change /proc/device-tree/compatible?

2017-10-09 Thread Stéphane Charette 
>
> Is it really worth it thou? ;)
>


Sorry, Robert, you lost me, I'm not familiar with the things you're
pointing out.  From an end-user perspective, all I need to know is how can
I determine what type of board my code is running?  I used to look at
/proc/device-tree/compatible but that no longer works.  Is there a
different or better file I should be reading to determine if I'm on a BBG,
BBB, BBGW, etc?

Stéphane

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Re: [beagleboard] did we change /proc/device-tree/compatible?

2017-10-09 Thread Robert Nelson 
On Mon, Oct 9, 2017 at 5:41 PM, Stéphane Charette
 wrote:
> On Mon, Oct 9, 2017 at 12:39 PM, Stephane Charette
>  wrote:
>>
>> In the past, I used to identify the type of device by reading the file
>> /proc/device-tree/compatible.  For example, see this:
>>
>> > hexdump -C /proc/device-tree/compatible
>>   74 69 2c 61 6d 33 33 35  78 2d 62 6f 6e 65 2d 67
>> |ti,am335x-bone-g|
>> 0010  72 65 65 6e 00 74 69 2c  61 6d 33 33 35 78 2d 62
>> |reen.ti,am335x-b|
>> 0020  6f 6e 65 2d 62 6c 61 63  6b 00 74 69 2c 61 6d 33
>> |one-black.ti,am3|
>> 0030  33 35 78 2d 62 6f 6e 65  00 74 69 2c 61 6d 33 33
>> |35x-bone.ti,am33|
>> 0040  78 78 00  |xx.
>> |
>>
>> Last night I upgraded to a new build.  I installed this one:
>>
>>
>> https://rcn-ee.com/rootfs/bb.org/testing/2017-10-08/stretch-iot/BBB-blank-debian-9.2-iot-armhf-2017-10-08-4gb.img.xz
>>
>> Now I see that same model no longer identifies itself as a BBG.  it now
>> thinks it is a BBB:
>>
>> > hexdump -C /proc/device-tree/compatible
>>   74 69 2c 61 6d 33 33 35  78 2d 62 6f 6e 65 2d 62
>> |ti,am335x-bone-b|
>> 0010  6c 61 63 6b 00 74 69 2c  61 6d 33 33 35 78 2d 62
>> |lack.ti,am335x-b|
>> 0020  6f 6e 65 00 74 69 2c 61  6d 33 33 78 78 00
>> |one.ti,am33xx.|
>> 002e
>>
>
>
> I should also have mentioned:  I have not upgraded or installed new builds
> since...early 2017?  This is my first time back working with my beaglebones
> in probably 8 months.  So this change in behaviour may actually have been
> quite a while ago.

Ugh, so it's not a bug, it's just the way the final *.dtb is generated
with u-boot overlays:  (we build up from one dtb..)

So if we assume the BeagleBone Green = BeagleBone Black (minus) HDMI
(audio/video)...

BeagleBone Green:

Board: BeagleBone Black
 not set. Validating first E-fuse MAC
BeagleBone Black:
Model: SeeedStudio BeagleBone Green:

uboot_overlays: [uboot_base_dtb=am335x-boneblack-uboot.dtb] ...
uboot_overlays: Switching too: dtb=am335x-boneblack-uboot.dtb ...
loading /boot/dtbs/4.9.53-ti-r67/am335x-boneblack-uboot.dtb ...
55752 bytes read in 170 ms (319.3 KiB/s)
uboot_overlays: [fdt_buffer=0x6] ...
uboot_overlays: loading /lib/firmware/BB-BONE-eMMC1-01-00A0.dtbo ...
1105 bytes read in 871 ms (1000 Bytes/s)
uboot_overlays: loading /lib/firmware/BB-ADC-00A0.dtbo ...
695 bytes read in 830 ms (0 Bytes/s)

[0.00] OF: fdt:Machine model: TI AM335x BeagleBone Black

BeagleBone Black:

Board: BeagleBone Black
 not set. Validating first E-fuse MAC
BeagleBone Black:
Model: BeagleBoard.org BeagleBone Black:

uboot_overlays: [uboot_base_dtb=am335x-boneblack-uboot.dtb] ...
uboot_overlays: Switching too: dtb=am335x-boneblack-uboot.dtb ...
loading /boot/dtbs/4.9.53-ti-r67/am335x-boneblack-uboot.dtb ...
55752 bytes read in 69 ms (789.1 KiB/s)
uboot_overlays: [fdt_buffer=0x6] ...
uboot_overlays: loading /lib/firmware/OSD3358-00A0.dtbo ...
441 bytes read in 1234 ms (0 Bytes/s)
uboot_overlays: loading /lib/firmware/BB-BONE-eMMC1-01-00A0.dtbo ...
1105 bytes read in 160 ms (5.9 KiB/s)
uboot_overlays: loading /lib/firmware/BB-HDMI-TDA998x-00A0.dtbo ...
4169 bytes read in 877 ms (3.9 KiB/s)
uboot_overlays: loading /lib/firmware/BB-ADC-00A0.dtbo ...
695 bytes read in 175 ms (2.9 KiB/s)

[0.00] OF: fdt:Machine model: TI AM335x BeagleBone Black

So you can see how both boards start out as
"am335x-boneblack-uboot.dtb" and we add, eMMC/HDMI/WL1835/ADC..

I guess we could patch in the model/compatble...

BBBW:

https://github.com/beagleboard/bb.org-overlays/blob/master/src/arm/BB-BBBW-WL1835-00A0.dts#L32-L33

BBGW:

https://github.com/beagleboard/bb.org-overlays/blob/master/src/arm/BB-BBGW-WL1835-00A0.dts#L41-L42

Is it really worth it thou? ;)

Regards,

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

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Re: [beagleboard] did we change /proc/device-tree/compatible?

2017-10-09 Thread Stéphane Charette 
On Mon, Oct 9, 2017 at 12:39 PM, Stephane Charette <
stephanechare...@gmail.com> wrote:

> In the past, I used to identify the type of device by reading the file
> /proc/device-tree/compatible.  For example, see this:
>
> > hexdump -C /proc/device-tree/compatible
>   74 69 2c 61 6d 33 33 35  78 2d 62 6f 6e 65 2d 67  |ti,
> am335x-bone-g|
> 0010  72 65 65 6e 00 74 69 2c  61 6d 33 33 35 78 2d 62  |reen
> .ti,am335x-b|
> 0020  6f 6e 65 2d 62 6c 61 63  6b 00 74 69 2c 61 6d 33
> |one-black.ti,am3|
> 0030  33 35 78 2d 62 6f 6e 65  00 74 69 2c 61 6d 33 33
> |35x-bone.ti,am33|
> 0040  78 78 00  |xx.
>|
>
> Last night I upgraded to a new build.  I installed this one:
>
> https://rcn-ee.com/rootfs/bb.org/testing/2017-10-08/
> stretch-iot/BBB-blank-debian-9.2-iot-armhf-2017-10-08-4gb.img.xz
>
> Now I see that same model no longer identifies itself as a BBG.  it now
> thinks it is a BBB:
>
> > hexdump -C /proc/device-tree/compatible
>   74 69 2c 61 6d 33 33 35  78 2d 62 6f 6e 65 2d 62
> |ti,am335x-bone-b|
> 0010  6c 61 63 6b 00 74 69 2c  61 6d 33 33 35 78 2d 62
> |lack.ti,am335x-b|
> 0020  6f 6e 65 00 74 69 2c 61  6d 33 33 78 78 00
> |one.ti,am33xx.|
> 002e
>
>

I should also have mentioned:  I have not upgraded or installed new builds
since...early 2017?  This is my first time back working with my beaglebones
in probably 8 months.  So this change in behaviour may actually have been
quite a while ago.

Stéphane

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Re: [beagleboard] did we change /proc/device-tree/compatible?

2017-10-09 Thread Stéphane Charette 
>
> > Did I install the wrong build?  Is this a bug, or is there a new/better
> way
> > for me to identify the difference between BBB, BBG, BBGW, etc?
>
> Please run:
>
> sudo /opt/scripts/tools/version.sh
>
> as something didn't get assembled right...
>

Was that supposed to fix it, or do you just want to see the output?  This
is the output:

> sudo /opt/scripts/tools/version.sh
git:/opt/scripts/:[9e4538c8313aae2d2ff50b07ec5e0ee7685a840c]
eeprom:[A335BNLT BBG115080190]
dogtag:[BeagleBoard.org Debian Image 2017-10-08]
bootloader:[eMMC-(default)]:[/dev/mmcblk1]:[U-Boot
2017.09-3-g11d92ba68a]
kernel:[4.4.90-ti-r132]
uboot_overlay_options:[enable_uboot_overlays=1]
uboot_overlay_options:[uboot_overlay_pru=/lib/firmware/AM335X-PRU-RPROC-4-4-TI-00A0.dtbo]
uboot_overlay_options:[enable_uboot_cape_universal=1]
pkg:[bb-cape-overlays]:[4.4.20171005.0-0rcnee1~stretch+20171005]
pkg:[bb-wl18xx-firmware]:[1.20170829-0rcnee1~stretch+20170829]
pkg:[firmware-ti-connectivity]:[20170823-1rcnee0~stretch+20170830]

Stéphane

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Re: [beagleboard] RE: The Grean-Bean and NodeJS on BBB/Seth

2017-10-09 Thread Mala Dies 
Hello Sir,

Seth here. Mr. Jason, I do not currently have any of the listed machines 
they have available but I am on the market for a new machine soon, e.g. 
fridge or other appliance. 

With this in mind, I went a step back to see where FirstBuild got their 
listing for the Green-Bean. GE supposedly promoted this product and have 
some info. for their APIs. 

I went to https://github.com/GEMakers/green-bean and found the API 
reference I need but I am unable to listen to the info. on the page from 
GEMakers on GitHub.com. It seems I cannot get GIT installed using npm for 
some reason. Is this the proper dialog for our forum?

Seth

P.S. I am asking because I would like to use the APIs when I receive the 
new appliance that will have Green-Bean compatibility. 

On Sunday, October 8, 2017 at 8:12:05 PM UTC-5, Jason Kridner wrote:
>
> On Sun, Oct 8, 2017 at 9:42 AM Mala Dies  
> wrote:
>
>> Hello,
>>
>> I have paired a Green-Bean, located at FirstBuild.com, with the BBB. It 
>> was as easy as a USB connection. Yea! Green-Bean has a GitHub.com page and 
>> is located here: https://github.com/FirstBuild/green-bean. I will keep 
>> people informed on what transpires.
>>
>> Seth
>>
>> P.S. @Jason, this is some more NodeJS stuff that may interest you. 
>>
>
> Very cool. Got to give a workshop at FirstBuild and hope to see more use 
> of BeagleBone.  
> -- 
> https://beagleboard.org/about
>

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Re: [beagleboard] did we change /proc/device-tree/compatible?

2017-10-09 Thread Robert Nelson 
On Mon, Oct 9, 2017 at 2:39 PM, Stephane Charette
 wrote:
> In the past, I used to identify the type of device by reading the file
> /proc/device-tree/compatible.  For example, see this:
>
>> hexdump -C /proc/device-tree/compatible
>   74 69 2c 61 6d 33 33 35  78 2d 62 6f 6e 65 2d 67
> |ti,am335x-bone-g|
> 0010  72 65 65 6e 00 74 69 2c  61 6d 33 33 35 78 2d 62
> |reen.ti,am335x-b|
> 0020  6f 6e 65 2d 62 6c 61 63  6b 00 74 69 2c 61 6d 33
> |one-black.ti,am3|
> 0030  33 35 78 2d 62 6f 6e 65  00 74 69 2c 61 6d 33 33
> |35x-bone.ti,am33|
> 0040  78 78 00  |xx.
> |
>
> Last night I upgraded to a new build.  I installed this one:
>
> https://rcn-ee.com/rootfs/bb.org/testing/2017-10-08/stretch-iot/BBB-blank-debian-9.2-iot-armhf-2017-10-08-4gb.img.xz
>
> Now I see that same model no longer identifies itself as a BBG.  it now
> thinks it is a BBB:
>
>> hexdump -C /proc/device-tree/compatible
>   74 69 2c 61 6d 33 33 35  78 2d 62 6f 6e 65 2d 62
> |ti,am335x-bone-b|
> 0010  6c 61 63 6b 00 74 69 2c  61 6d 33 33 35 78 2d 62
> |lack.ti,am335x-b|
> 0020  6f 6e 65 00 74 69 2c 61  6d 33 33 78 78 00|one.ti,am33xx.|
> 002e
>
> Did I install the wrong build?  Is this a bug, or is there a new/better way
> for me to identify the difference between BBB, BBG, BBGW, etc?

Please run:

sudo /opt/scripts/tools/version.sh

as something didn't get assembled right...

Regards,

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

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[beagleboard] did we change /proc/device-tree/compatible?

2017-10-09 Thread Stephane Charette 
In the past, I used to identify the type of device by reading the file 
/proc/device-tree/compatible.  For example, see this:

> hexdump -C /proc/device-tree/compatible
  74 69 2c 61 6d 33 33 35  78 2d 62 6f 6e 65 2d 67  |ti,
am335x-bone-g|
0010  72 65 65 6e 00 74 69 2c  61 6d 33 33 35 78 2d 62  |reen
.ti,am335x-b|
0020  6f 6e 65 2d 62 6c 61 63  6b 00 74 69 2c 61 6d 33  
|one-black.ti,am3|
0030  33 35 78 2d 62 6f 6e 65  00 74 69 2c 61 6d 33 33  
|35x-bone.ti,am33|
0040  78 78 00  |xx.
 |

Last night I upgraded to a new build.  I installed this one:

https://rcn-ee.com/rootfs/bb.org/testing/2017-10-08/stretch-iot/BBB-blank-debian-9.2-iot-armhf-2017-10-08-4gb.img.xz

Now I see that same model no longer identifies itself as a BBG.  it now 
thinks it is a BBB:

> hexdump -C /proc/device-tree/compatible
  74 69 2c 61 6d 33 33 35  78 2d 62 6f 6e 65 2d 62  
|ti,am335x-bone-b|
0010  6c 61 63 6b 00 74 69 2c  61 6d 33 33 35 78 2d 62  
|lack.ti,am335x-b|
0020  6f 6e 65 00 74 69 2c 61  6d 33 33 78 78 00|one.ti,am33xx.|
002e

Did I install the wrong build?  Is this a bug, or is there a new/better way 
for me to identify the difference between BBB, BBG, BBGW, etc?

Stéphane

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Re: [beagleboard] Re: ENC28J60 Click on PocketBeagle

2017-10-09 Thread Robert Nelson 
On Mon, Oct 9, 2017 at 1:25 PM, Graham  wrote:
> I have never seen it fail, but since the USB power goes off when my computer
> goes into deep sleep, it has never been run for more than a few hours at a
> time.
>
> It is at home.
>
> I'll set it up on a permanent power supply and run it continuously for a few
> days, and report back

Yeah, then shortly mine locked up at 48Mhz...  i'll leave it at 24Mhz
for now, and we will see how things go..

>
> I think you also have a request from Steven to bump the SPI Clock on the ETH
> Click to 16 MHz.
> I don't have one of those to test.

Tested and bumped that to 16Mhz this morning. ;)

Regards,

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Re: [beagleboard] Re: ENC28J60 Click on PocketBeagle

2017-10-09 Thread Graham 
I have never seen it fail, but since the USB power goes off when my 
computer goes into deep sleep, it has never been run for more than a few 
hours at a time.

It is at home.  

I'll set it up on a permanent power supply and run it continuously for a 
few days, and report back

I think you also have a request from Steven to bump the SPI Clock on the 
ETH Click to 16 MHz.
I don't have one of those to test.

--- Graham

==

On Monday, October 9, 2017 at 12:15:07 PM UTC-5, RobertCNelson wrote:
>
>
> Hi Graham, 
>
> Has this survived the weekend? (any random loss of connection?) 
>
> I'm bumped it to 24Mhz by default, but would like to bump it again to 
> 48Mhz.. 
>
> Regards, 
>
> -- 
> Robert Nelson 
> https://rcn-ee.com/ 
>

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Re: [beagleboard] Re: ENC28J60 Click on PocketBeagle

2017-10-09 Thread Robert Nelson 
On Sat, Oct 7, 2017 at 6:44 PM, Graham  wrote:
> I recompiled the '.dtbo' for 48 MHz SPI clock, which is the maximum for the
> Sitara.
>
> Seems to work fine for a quick check.
>
> Ran speedtest-cli, which moves a fair amount of data through it...
> Download: 4.76 Mbit/s
> Upload: 5.96 Mbit/s
>
> Upload speed is probably constrained by my network, not the ETH-WIZ

Hi Graham,

Has this survived the weekend? (any random loss of connection?)

I'm bumped it to 24Mhz by default, but would like to bump it again to 48Mhz..

Regards,

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

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Re: [beagleboard] PocketBeagle headers

2017-10-09 Thread Alan Corey 
So what did you decide the best option is?  I'm sort of torn between a 
socket that you could push wires into like a solderless breadboard and 
something to attach a ribbon cable to, which would go to solderless 
breadboard or vectorboard a few inches away.  There was a statement 
somewhere about having a socket (not pins) on the bottom of the board so 
when you set it down it isn't going to short out.  If you could get really 
long pins, like for wire wrap, you could have sockets on the bottom and 
pins sticking out the top, so you could do both.  There's plenty of room on 
the bottom for the socket and the pins could stick past obstacles on top.  
I'd like to get something ordered, but I'm not so good at desoldering as I 
used to be so I probably shouldn't change my mind later.  Tried Newark?

On Friday, October 6, 2017 at 11:27:29 AM UTC-4, RobertCNelson wrote:
>
> On Fri, Oct 6, 2017 at 10:07 AM, Graham  > wrote: 
> > I don't know how much time/energy you want to put into this. 
> > 
> > 
> > If the issue is the length of the tab leads, then the  Samtec 
> ESW-118-13-F-D 
> > tripples the length of the thru-hole solder tabs relative to the 
> > ESW-118-12-F-D 
> > These Samtec connectors have a spec width of 0.195 inch. 
> > 
> > 
> > The ones that I am having the best luck with are the Amphenol-FCI 
> > connectors. 
> > The through hole pins are thin flat tabs, so it can just move to the 
> side 
> > about 5 or 10 mils without any forcing, unlike a square pin. 
> > No one stocks the 36 position, ( Amphenol FCI  76342-318LF ) 
> > so I am using a pair of 18 position, which are stocked .( Amphenol FCI 
> > 76342-309LF ) 
> > Specified width is 0.200, but I measure 0.198 
> > 
> > If all you want to do is mount a single small "Click" board they also 
> have 
> > an 8x1 that works fine. 
> > ( Amphenol FCI   75915-308LF ) 
>
> Oh i'm just documenting it for others, and will add teh best option to 
> the product page.. 
>
> testing: SAM1204-18-ND today... 
>
> Regards, 
>
> -- 
> Robert Nelson 
> https://rcn-ee.com/ 
>

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[beagleboard] Duplex stream for reading and writing commands to /dev/rpmsg_pru31

2017-10-09 Thread Hugh Frater 
Does anyone have any experience of working with /dev/rpmsg_pruXX files from 
within Node.Js/Bonescript? I've been playing around with the file-duplex 
package and have data going into the PRU just fine, but I'm having an issue 
getting data back into my userspace program. I've got the stream.on('data', 
function(data)) picking up that a data has been pushed into the rpmsg file 
from the PRU side, but I can't get any meaningful data into my program. I'm 
sending single character ascii characters as my data.

Am I missing the 'proper' way to do this?

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[beagleboard] Re: linux kernel not booting stops at "starting kernel"

2017-10-09 Thread Mrigendra Chaubey 
Is something wrong with the question?

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RE: [beagleboard] Re: My BBB doesn't turn on when connecting usb

2017-10-09 Thread Gerald Coley 
OK! So, something has to be repaired on the board! You need to get it repaired!

Gerald

From: beagleboard@googlegroups.com [mailto:beagleboard@googlegroups.com] On 
Behalf Of Ahmad Fatehi
Sent: Monday, October 9, 2017 8:13 AM
To: BeagleBoard 
Subject: Re: [beagleboard] Re: My BBB doesn't turn on when connecting usb

The same happens when connecting DC jack! I must switch on the board by using 
battery and then disconnect battery to run with usb or adapter power!

On Monday, October 9, 2017 at 2:06:59 PM UTC+2, gcoley1 wrote:
The flashing LED indicates that the PMIC is shutting down due to a excess 
amount of current on power up.  Sitting here, I can't recommend a fix as I 
would need to look at the board to understand the issue. This is not an issue I 
have run into before.

You could try running it off the DC jack and see what happens there.

Gerald


From: beagl...@googlegroups.com 
[mailto:beagl...@googlegroups.com] On Behalf Of Ahmad Fatehi
Sent: Monday, October 9, 2017 6:39 AM
To: BeagleBoard 
Subject: [beagleboard] Re: My BBB doesn't turn on when connecting usb

No one to reply??!!

On Sunday, October 8, 2017 at 9:27:30 AM UTC+2, Ahmad Fatehi wrote:

Hello, I used my beaglebone black for a while with usb power. Once I decide to 
test it with battery and switched it on with a Li-Ion battery and it switched 
on.But after that when I connect usb to board it doesn't power up and led power 
blinks! and to run board I first should connect battery to it and it powers up 
and then I disconnect battery and it continues to run without battery and 
through usb! How can I solve this problem so that it can run without need to 
connect battery!?
--
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Re: [beagleboard] PRU

2017-10-09 Thread Jason Kridner 
On Sat, Oct 7, 2017 at 5:18 PM William Hermans  wrote:

> On Fri, Oct 6, 2017 at 11:38 PM,  wrote:
>
>> Hi,
>>
>> Hi, I am new to beaglebone black PRU can anybody help me to use PRU in
>> c-language.
>>
>> Thank you
>> Ashok
>>
>
> http://lmgtfy.com/?q=beaglebone+PRU+in+C
>

To try to get some better results the first time, I tried to summarize some
PRU programming info at http://bbb.io/pru.

At the very bottom, you'll see a link to a more recent demo I put together
to show how to program the PRU in C.
https://gist.github.com/jadonk/2ecf864e1b3f250bad82c0eae12b7b64

It is pretty simple. I started by blinking the on-board LED. To make it
more fun, I reduced the delay every cycle so that the blinking speeds up.


>
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Re: [beagleboard] Re: My BBB doesn't turn on when connecting usb

2017-10-09 Thread Ahmad Fatehi 
The same happens when connecting DC jack! I must switch on the board by 
using battery and then disconnect battery to run with usb or adapter power!

On Monday, October 9, 2017 at 2:06:59 PM UTC+2, gcoley1 wrote:
>
> The flashing LED indicates that the PMIC is shutting down due to a excess 
> amount of current on power up.  Sitting here, I can't recommend a fix as I 
> would need to look at the board to understand the issue. This is not an 
> issue I have run into before.
>
>  
>
> You could try running it off the DC jack and see what happens there.
>
>  
>
> Gerald
>
>  
>
>  
>
> *From:* beagl...@googlegroups.com  [mailto:
> beagl...@googlegroups.com ] *On Behalf Of *Ahmad Fatehi
> *Sent:* Monday, October 9, 2017 6:39 AM
> *To:* BeagleBoard 
> *Subject:* [beagleboard] Re: My BBB doesn't turn on when connecting usb
>
>  
>
> No one to reply??!!
>
> On Sunday, October 8, 2017 at 9:27:30 AM UTC+2, Ahmad Fatehi wrote:
>
>
> Hello, I used my beaglebone black for a while with usb power. Once I 
> decide to test it with battery and switched it on with a Li-Ion battery and 
> it switched on.But after that when I connect usb to board it doesn't power 
> up and led power blinks! and to run board I first should connect battery to 
> it and it powers up and then I disconnect battery and it continues to run 
> without battery and through usb! How can I solve this problem so that it 
> can run without need to connect battery!?
>
> -- 
> 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 .
> To view this discussion on the web visit 
> https://groups.google.com/d/msgid/beagleboard/c0063923-c73a-4874-8472-f83ff5131b2d%40googlegroups.com
>  
> 
> .
> For more options, visit https://groups.google.com/d/optout.
>

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RE: [beagleboard] Re: My BBB doesn't turn on when connecting usb

2017-10-09 Thread Gerald Coley 
The flashing LED indicates that the PMIC is shutting down due to a excess 
amount of current on power up.  Sitting here, I can't recommend a fix as I 
would need to look at the board to understand the issue. This is not an issue I 
have run into before.

You could try running it off the DC jack and see what happens there.

Gerald


From: beagleboard@googlegroups.com [mailto:beagleboard@googlegroups.com] On 
Behalf Of Ahmad Fatehi
Sent: Monday, October 9, 2017 6:39 AM
To: BeagleBoard 
Subject: [beagleboard] Re: My BBB doesn't turn on when connecting usb

No one to reply??!!

On Sunday, October 8, 2017 at 9:27:30 AM UTC+2, Ahmad Fatehi wrote:

Hello, I used my beaglebone black for a while with usb power. Once I decide to 
test it with battery and switched it on with a Li-Ion battery and it switched 
on.But after that when I connect usb to board it doesn't power up and led power 
blinks! and to run board I first should connect battery to it and it powers up 
and then I disconnect battery and it continues to run without battery and 
through usb! How can I solve this problem so that it can run without need to 
connect battery!?
--
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[beagleboard] Re: My BBB doesn't turn on when connecting usb

2017-10-09 Thread Ahmad Fatehi 
No one to reply??!!

On Sunday, October 8, 2017 at 9:27:30 AM UTC+2, Ahmad Fatehi wrote:
>
>
> Hello, I used my beaglebone black for a while with usb power. Once I 
> decide to test it with battery and switched it on with a Li-Ion battery and 
> it switched on.But after that when I connect usb to board it doesn't power 
> up and led power blinks! and to run board I first should connect battery to 
> it and it powers up and then I disconnect battery and it continues to run 
> without battery and through usb! How can I solve this problem so that it 
> can run without need to connect battery!?
>

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[beagleboard] Re: My BBB doesn't turn on when connecting usb

2017-10-09 Thread Ahmad Fatehi 
Noone to reply!??!!!

On Sunday, October 8, 2017 at 9:27:30 AM UTC+2, Ahmad Fatehi wrote:
>
>
> Hello, I used my beaglebone black for a while with usb power. Once I 
> decide to test it with battery and switched it on with a Li-Ion battery and 
> it switched on.But after that when I connect usb to board it doesn't power 
> up and led power blinks! and to run board I first should connect battery to 
> it and it powers up and then I disconnect battery and it continues to run 
> without battery and through usb! How can I solve this problem so that it 
> can run without need to connect battery!?
>

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[beagleboard] OTA updates for BBB using mender

2017-10-09 Thread 'Luther Goh Lu Feng' via BeagleBoard 
I am new to imaged based systems. Am wondering if it is possible to use an OTA 
update system like mender and use it on an debian image. Please share your 
insights and experiences
https://mender.io/blog/porting-mender-to-a-non-yocto-build-system

https://mender.io/blog/notes-from-a-user-on-mender-without-yocto

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[beagleboard] Re: Beagleboneblack board is not booting from emmc and SD card.

2017-10-09 Thread TitusRathinaraj Stalin 
Hi Mala,
Thanks for your reply and appreciate your help on this.
Its started working once I try to boot from UART.
I am not sure what is the problem, I think it could be board or chip issue 
and not in SW.

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[beagleboard] HX711 probe failed

2017-10-09 Thread abhilash h 
Dear All,
I am using Beaglebone green running linux 4.12.0-dirty.
I am trying to get HX117 adc work. I am facing some issues.


I am getting this error

 hx711-gpio: probe of weight@0 failed with error -22
...
[1.926416] hx711-gpio weight@0: GPIO lookup for consumer sck
[1.932575] hx711-gpio weight@0: using device tree for GPIO lookup
[1.939397] of_get_named_gpiod_flags: parsed 'sck-gpios' property of 
node '/weight@0[0]' - status (0)
[1.949245] hx711-gpio weight@0: GPIO lookup for consumer dout
[1.955341] hx711-gpio weight@0: using device tree for GPIO lookup
[1.961894] of_get_named_gpiod_flags: parsed 'dout-gpios' property of 
node '/weight@0[0]' - status (0)
[1.971735] hx711-gpio weight@0: weight@0 supply avdd not found, using 
dummy regulator
[1.985324] mmcblk0: mmc0:0001 SD 7.32 GiB 
[1.994758]  mmcblk0: p1 p2
[2.002936] hx711-gpio: probe of weight@0 failed with error -22


My device tree:

/*
 * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */
/dts-v1/;
/plugin/;

#include "am33xx.dtsi"
#include "am335x-bone-common.dtsi"
#include "am335x-bonegreen-common.dtsi"

/ {
model = "TI AM335x BeagleBone Green";
compatible = "ti,am335x-bone-green", "ti,am335x-bone-black", 
"ti,am335x-bone", "ti,am33xx";

 weight@0 {

pinctrl-names = "default";
pinctrl-0 = <_pins>;

compatible = "avia,hx711";
sck-gpios = < 16 GPIO_ACTIVE_HIGH>;
dout-gpios = < 28 GPIO_ACTIVE_HIGH>;
avdd-suppy = <>;

};


};

_pinmux{

weight_pins: pinmux_weight_pins {
pinctrl-single,pins = <
0x078 0x37/* P9_12: gpio1_28 reset, INPUT_PULLUP | 
MODE7 */
0x040 0x17/* P9_15: gpio1_16 DC, OUTPUT_PULLUP | 
MODE7 */
>;
};


};



 {
status = "okay";
};

 {
status = "okay";
};



It would be great if someone could help me out.

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[beagleboard] Modifying the BBB boot so that it doesnt boot from the microSD when inserted

2017-10-09 Thread 'Luther Goh Lu Feng' via BeagleBoard 
I understand that even though BBB boots from the eMMC first, if a bootable 
microSD is inserted, it will boot from the microSD[1]. I believe uboot is 
responsible for this behaviour and would like modify uboot. 

- How would I go about doing it? 
- Is it a matter of modifying uEnv.txt or a recompilation of uBoot?
- If it is the earlier, then what is the path of uEnv.txt? Is it /uEnv.txt or 
/boot/uEnv.txt[2]?


[1] https://groups.google.com/d/msg/beagleboard/laUYQg80MZg/PuOY_Lt9CgAJ
[2] http://cholla.mmto.org/bbb/network_boot.html 

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Re: [beagleboard] Re: Beagle Bone Black stopping at Starting Kernel....

2017-10-09 Thread Madhu K 
Hi,

Can you try with ext4 file system?

Regards,
Madhu

On Mon, Oct 9, 2017 at 11:53 AM, Ashish Maurya
 wrote:
> Hi terra,
> I got 5V 2A power supply, still facing same issue.
> Any thoughts ???
> Thanks.
>
> On Mon, Oct 2, 2017 at 3:57 PM, terra ÜÝÜ  wrote:
>> I had this, when power supply was not 5V stable
>>
>> On Tuesday, 26 September 2017 18:12:19 UTC+10, Ashish Maurya wrote:
>>>
>>> This is what I doing...
>>>
>>> U-Boot 2014.04 (Sep 21 2017 - 11:25:07)
>>>
>>> I2C:   ready
>>> DRAM:  512 MiB
>>> MMC:   OMAP SD/MMC: 0, OMAP SD/MMC: 1
>>> Using default environment
>>>
>>> Net:not set. Validating first E-fuse MAC
>>> cpsw, usb_ether
>>> Hit any key to stop autoboot:  0
>>> U-Boot#
>>> U-Boot# fatls mmc 0:1
>>> 76868   mlo
>>>329548   u-boot.img
>>>   4964640   uimage
>>> 26024   am335x-boneblack.dtb
>>> system volume information/
>>>
>>> 4 file(s), 1 dir(s)
>>>
>>> U-Boot# fatload mmc 0:1 0x8060 uImage
>>> reading uImage
>>> 4964640 bytes read in 1714 ms (2.8 MiB/s)
>>> U-Boot# fatload mmc 0:1 0x8050 am335x-boneblack.dtb
>>> reading am335x-boneblack.dtb
>>> 26024 bytes read in 19 ms (1.3 MiB/s)
>>> U-Boot# setenv bootargs 'console=ttyO2,115200n8 root=/dev/mmcblk0p2 rw'
>>> U-Boot# print bootargs
>>> bootargs=console=ttyO2,115200n8 root=/dev/mmcblk0p2 rw
>>> U-Boot# bootm 0x8060 - 0x8050
>>> ## Booting kernel from Legacy Image at 8060 ...
>>>Image Name:   Linux-3.12.1-bbb
>>>Image Type:   ARM Linux Kernel Image (uncompressed)
>>>Data Size:4964576 Bytes = 4.7 MiB
>>>Load Address: 80008000
>>>Entry Point:  80008000
>>>Verifying Checksum ... OK
>>> ## Flattened Device Tree blob at 8050
>>>Booting using the fdt blob at 0x8050
>>>Loading Kernel Image ... OK
>>>Using Device Tree in place at 8050, end 805095a7
>>>
>>> Starting kernel ...
>>>
>>>
>>>
>>> This is how I built the images-
>>> Using linux-3.12-bone-black kernel.
>>> make -j 4 ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- zImage modules dtbs
>>> make -j 4 ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- uImage
>>> LOADADDR=0x80008000
>>> make -j 4 ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- modules_install \
>>> INSTALL_MOD_PATH=/mnt/rootfs
>>> make -j 4 ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- \
>>> uImage-dtb.am335x-boneblack LOADADDR=0x80008000
>>>
>>> SD card has two partitions, first fat and another ext2. First contains -
>>> MLO,u-boot.img,uImage,am335x-boneblack.dtb
>>> second contains rootfs.
>>>
>>> Not getting where I am doing wrong, please help...
>>> Thank You.
>>
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>
>
>
> --
> Ashish Maurya
> Mob - 9545752036
> LinkedIn - https://www.linkedin.com/in/ashish-maurya-3b95a149/
>
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Re: [beagleboard] Re: Beagle Bone Black stopping at Starting Kernel....

2017-10-09 Thread Ashish Maurya 
Hi terra,
I got 5V 2A power supply, still facing same issue.
Any thoughts ???
Thanks.

On Mon, Oct 2, 2017 at 3:57 PM, terra ÜÝÜ  wrote:
> I had this, when power supply was not 5V stable
>
> On Tuesday, 26 September 2017 18:12:19 UTC+10, Ashish Maurya wrote:
>>
>> This is what I doing...
>>
>> U-Boot 2014.04 (Sep 21 2017 - 11:25:07)
>>
>> I2C:   ready
>> DRAM:  512 MiB
>> MMC:   OMAP SD/MMC: 0, OMAP SD/MMC: 1
>> Using default environment
>>
>> Net:not set. Validating first E-fuse MAC
>> cpsw, usb_ether
>> Hit any key to stop autoboot:  0
>> U-Boot#
>> U-Boot# fatls mmc 0:1
>> 76868   mlo
>>329548   u-boot.img
>>   4964640   uimage
>> 26024   am335x-boneblack.dtb
>> system volume information/
>>
>> 4 file(s), 1 dir(s)
>>
>> U-Boot# fatload mmc 0:1 0x8060 uImage
>> reading uImage
>> 4964640 bytes read in 1714 ms (2.8 MiB/s)
>> U-Boot# fatload mmc 0:1 0x8050 am335x-boneblack.dtb
>> reading am335x-boneblack.dtb
>> 26024 bytes read in 19 ms (1.3 MiB/s)
>> U-Boot# setenv bootargs 'console=ttyO2,115200n8 root=/dev/mmcblk0p2 rw'
>> U-Boot# print bootargs
>> bootargs=console=ttyO2,115200n8 root=/dev/mmcblk0p2 rw
>> U-Boot# bootm 0x8060 - 0x8050
>> ## Booting kernel from Legacy Image at 8060 ...
>>Image Name:   Linux-3.12.1-bbb
>>Image Type:   ARM Linux Kernel Image (uncompressed)
>>Data Size:4964576 Bytes = 4.7 MiB
>>Load Address: 80008000
>>Entry Point:  80008000
>>Verifying Checksum ... OK
>> ## Flattened Device Tree blob at 8050
>>Booting using the fdt blob at 0x8050
>>Loading Kernel Image ... OK
>>Using Device Tree in place at 8050, end 805095a7
>>
>> Starting kernel ...
>>
>>
>>
>> This is how I built the images-
>> Using linux-3.12-bone-black kernel.
>> make -j 4 ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- zImage modules dtbs
>> make -j 4 ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- uImage
>> LOADADDR=0x80008000
>> make -j 4 ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- modules_install \
>> INSTALL_MOD_PATH=/mnt/rootfs
>> make -j 4 ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- \
>> uImage-dtb.am335x-boneblack LOADADDR=0x80008000
>>
>> SD card has two partitions, first fat and another ext2. First contains -
>> MLO,u-boot.img,uImage,am335x-boneblack.dtb
>> second contains rootfs.
>>
>> Not getting where I am doing wrong, please help...
>> Thank You.
>
> --
> For more options, visit http://beagleboard.org/discuss
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>
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-- 
Ashish Maurya
Mob - 9545752036
LinkedIn - https://www.linkedin.com/in/ashish-maurya-3b95a149/

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