W: GPG error: http://debian.beagleboard.org wheezy-bbb Release: The
following signatures couldn't be verified because the public key is not
available: NO_PUBKEY B2710B8359890110
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Ok, so the only thing I can think that may have happened here is that I
used backports to install systemd. Since this is the first time ive used
backports, im not sure if there is anything I should have done after
installing systemd, such as disabling the repo in sources.list ?
Anyway, I've
you should switch to debian, you will have more help from the Debian
community . I've a BBB under debian which start QT at bootup !
Micka,
Le dimanche 7 septembre 2014 14:03:35 UTC+2, Mahendra Gunawardena a écrit :
Below is picture of the display on bootup. Expected display output is
enable autologin in Angstrom
add to the end of /etc/profile this line
/home/root/projects/qt-projects/QTAccelerometer -qws
2014-09-09 11:57 GMT+04:00 Mickae1 mickamus...@gmail.com:
you should switch to debian, you will have more help from the Debian
community . I've a BBB under debian
I'm trying to boot from a USB flash drive. I essentially copy the u-boot
commands for booting from the SD card. I'm running into a problem once the
kernel has loaded:
Begin: Mounting root file system ... Begin: Running /scripts/local-top ...
done.
Begin: Waiting for root file system ...
http://www.embeddedhobbyist.com/debian-tips/beaglebone-black/beaglebone-black-usb-boot/
As far as I know this wont work with an initrd, but i could be remembering
wrongly. Also, the example I give, was based on the idea that this was not
possible with an zImage file. I believe this is no longer
Just glancing over your output there it seems perhaps your kernel is
expecting a few modules to be compiled into the kernel statically.
On Tue, Sep 9, 2014 at 3:00 AM, William Hermans yyrk...@gmail.com wrote:
Hello all.
I tried to move from 3.8 to 3.12 on my Beaglebone. The kernel hangs after
Starting kernel ... immediately.
I enabled CONFIG_DEBUG_LL and could come up with the following log (please
find it attached).
However, I moved to 3.14, the kernel hanged too, but I got a different log
On Tue, Sep 9, 2014 at 8:44 AM, Abdulwadood Halimeh
abd.halime...@gmail.com wrote:
Hello all.
I tried to move from 3.8 to 3.12 on my Beaglebone. The kernel hangs after
Starting kernel ... immediately.
I enabled CONFIG_DEBUG_LL and could come up with the following log (please
find it
@William - After reading RCN explanation that different locations are
searched, this crossed my mind and I deleted all uEnv.txt files everywhere
except for the sd card fat partition, but this still does not work if I add
either
cmdline=quiet init=/lib/systemd/systemd consoleblank=0
OR
On Tue, Sep 9, 2014 at 9:13 AM, Moscowbob moscow...@gmail.com wrote:
@William - After reading RCN explanation that different locations are
searched, this crossed my mind and I deleted all uEnv.txt files everywhere
except for the sd card fat partition, but this still does not work if I add
I can't confirm this works but normally on a PC you could set it to run at next
boot by creating a file called forcefsck in the root directory.
Eg
#touch /forcefsck
Regards,
Jake
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I have been using BeagleBone Black for a while now for an application. I
compile everything in C++ (g++), turn off and on, over and over, and
everything was working fine until now. I just started using the zxing
library (which I already used some months ago without any problems) in this
Yes, I can see 'rs485 v1.1'. The python code still works fine out of the
box. C code Rx and Tx lines work OK but RTS still does nothing.
When I exported the GPIO9 by hand, dmesg got:
[ 222.055685] gpio_request: gpio-9 (RS485 TXE) status -16
[ 222.055730] omap_uart 481a8000.serial: Could not
I have https://wikidevi.com/wiki/TP-LINK_TL-WN723N_v3 usb wifi adapter.
The output of my uname -a is
Linux beaglebone 3.8.13-bone50 #1 SMP Tue May 13 13:24:52 UTC 2014 armv7l
GNU/Linux
I build the software from source which can be found in
https://github.com/lwfinger/rtl8188eu as given in the
Hi sir,
how serial port works on beagle board ,please help me..
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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
Thanks Robert, that clears up things for me now
On Tuesday, 9 September 2014 15:28:20 UTC+1, RobertCNelson wrote:
On Tue, Sep 9, 2014 at 9:13 AM, Moscowbob mosc...@gmail.com javascript:
wrote:
@William - After reading RCN explanation that different locations are
searched, this crossed
Hi,
You should precise your question :)
On Tue, Sep 9, 2014 at 8:46 AM, shirisha@gmail.com wrote:
Hi sir,
how serial port works on beagle board ,please help me..
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Hi Neo,
By PWM interrupts on ARM side i meant that I validated the generation of
interrupts on ARM cortex A8 side through enabling the PWM peripheral
interrupt and registering an ISR on it in the linux kernel driver. Thus i'm
sure the interrupts are being generated on the cortex A8 interrupt
On Tuesday, September 9, 2014 8:09:32 AM UTC-4, lucaso...@gmail.com wrote:
Yes, I can see 'rs485 v1.1'. The python code still works fine out of the
box. C code Rx and Tx lines work OK but RTS still does nothing.
When I exported the GPIO9 by hand, dmesg got:
[ 222.055685] gpio_request:
I had been referencing that blog post, but it seemed too outdated to be
very useful. I figured that just copying the u-boot command sequence and
adjusting uEnv as necessary, it should just work.
I was finally able to get a successful boot using the am335x-boneblack.dtb
file.
I was using the
loaduEnvtxt=load mmc 0:2 ${loadaddr} /boot/uEnv.txt ; env import -t
${loadaddr} ${filesize};
This works for me.
On Tue, Sep 9, 2014 at 9:06 AM, Moscowbob moscow...@gmail.com wrote:
Thanks Robert, that clears up things for me now
On Tuesday, 9 September 2014 15:28:20 UTC+1, RobertCNelson
*I was finally able to get a successful boot using the
am335x-boneblack.dtb file.*
*I was using the am335x-evm.dtb previously.*
oops ?
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On 9/9/14, 7:27 AM, Robert Nelson robertcnel...@gmail.com wrote:
On Tue, Sep 9, 2014 at 9:13 AM, Moscowbob moscow...@gmail.com wrote:
@William - After reading RCN explanation that different locations are
searched, this crossed my mind and I deleted all uEnv.txt files
everywhere
except for the
See UIO: https://www.kernel.org/doc/htmldocs/uio-howto/
The uio_pruss.c driver that comes with the pru package is a good example.
I have written a kernel module that registers interrupts on the rising
edge on a GPIO pin and want to relay this message to user space.
The sysfs gpio interface
Hey Guys,
I want to make up my own cape. I just need to know if I power the Bbb through
Vdd_5v if it will charge a lipo attached to the battery header on the board.
Cheers.
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I suggest that you read the data sheet for the TPS65217 device before you
connect a battery to it. It is designed to charge certain types of
batteries, but you need to understand the limitations and requirements of
doing so before you do so.
A peak at the schematic would also be advisable as well
You're desktop PC is 10 times faster than the Beaglebone processor.
This may help: How to Achieve 30 fps with BeagleBone Black
http://blog.lemoneerlabs.com/3rdParty/Darling_BBB_30fps_DRAFT.html
On Monday, September 8, 2014 6:03:58 PM UTC-7, janszyma...@gmail.com wrote:
Hi,
I need to
Ethernet will work without any configuration if you have dhcp on your
network. If not, you'll have to configure a static ip. If you do have dhcp
(you probably do) you can just change the hostname (
https://wiki.debian.org/HowTo/ChangeHostname) to something nice, then use
that instead of an ip
Give this a try on your Linux Desktop:
copy sd_backup.img to your Desktop's /tmp
Insert your SD card, I'm assuming it will be /dev/sdb
mkdir -p /mnt/from_part1
mkdir -p /mnt/to_part1
fdisk -l /tmp/sd_backup.img
Disk sd_backup.img: 4025 MB, 4025483264 bytes
255 heads, 63
On Sun, Sep 7, 2014 at 4:14 PM, Michaël Vaes vaesmich...@gmail.com wrote:
Is there any way to see the RAW inputs/outputs on a pin?
I would use a logic analyzer to see if the communication is going
well. I have one of this: https://www.saleae.com/ but of an old model
(maybe you still can get
Brandon, I guess you did not look at the link I gave. It covers every
aspect of configuring an eth device on Debian. That is when using
/etc/network/interfaces
On Tue, Sep 9, 2014 at 1:21 PM, Brandon I brandon.ir...@gmail.com wrote:
Ethernet will work without any configuration if you have dhcp
I saw the link to the reference, but I didn't see an answer to his question.
On Tue, Sep 9, 2014 at 2:47 PM, William Hermans yyrk...@gmail.com wrote:
Brandon, I guess you did not look at the link I gave. It covers every
aspect of configuring an eth device on Debian. That is when using
Thanks for that link, it is very usefull.
In a meantime my attempt to install a newer version of opencv (following
the instructions from here
http://robertcastle.com/2014/02/installing-opencv-on-a-raspberry-pi/0) has
failed firstly with cmake-curses-gui not working (empty database?) and
after
Hi Brandon
I read through the link, very informative thanks.I can create a thread to
do the polling and signal me when its ready.
But how to really write an ISR in arm. I see a lot of guides but they say
that it will work in Intel processors but they are not sure about ARM.
For sure from my
I'm not sure that newer open cv can be compiled on the raspberry or
beaglebone due to the limited ram. You'll probably have to cross compile.
On Tue, Sep 9, 2014 at 5:56 PM, janszymanski12...@gmail.com wrote:
Thanks for that link, it is very usefull.
In a meantime my attempt to install a newer
Hi Kavita
I understood the part of request_threaded_irq() found a sample
implementation here-
http://lxr.free-electrons.com/source/drivers/input/touchscreen/cy8ctmg110_ts.c
for touch controllers.
But did not understand the bit about
In userspace use evetest like application to wait on the
The MD5 sum seems like a good approach. For anyone reading this, I found
this link useful:
http://askubuntu.com/questions/318530/generate-md5-checksum-for-all-files-in-a-directory
find -exec md5sum {} \; checklist.chk
md5sum -c checklist.chk # runs through the list to check them
On
Hi Kavita
A generic question regarding interrupts.
If i register an interrupt using request_threaded_irq() or request_irq()
will that be listed in /proc/interrupts ?
On Tuesday, September 9, 2014 11:17:19 AM UTC+5:30, kavitha wrote:
Does cat /proc/interrupts give show anything for 214.
Now hopefully, your issue is related to corrupt or otherwise unusable file.
On Tue, Sep 9, 2014 at 7:28 PM, Brent brent...@hotmail.com wrote:
The MD5 sum seems like a good approach. For anyone reading this, I found
this link useful:
IN case this information is useful. Derek Molloy on youtube did a video on
this several months ago. He used the Logitec C920 i think it was.
On Tue, Sep 9, 2014 at 7:16 PM, Brandon I brandon.ir...@gmail.com wrote:
I'm not sure that newer open cv can be compiled on the raspberry or
beaglebone
Before you jump into the kernel hole, is there a reason that you're not
using the existing sysfs gpio interface (
https://www.kernel.org/doc/Documentation/gpio/sysfs.txt) for the interrupts?
Using this, if you set the gpio up as an interrupt with the sysfs
interface, you poll() the value file and
And, here are some compile flags you'll want to include/force:
http://www.eliteraspberries.com/blog/2013/09/cflags-for-numerical-computing-on-the-beaglebone-black.html
On Tue, Sep 9, 2014 at 7:16 PM, Brandon I brandon.ir...@gmail.com wrote:
I'm not sure that newer open cv can be compiled on
Yes it does show in cat /proc/interrupts
It doesnot matter you use request_threaded_irq or request_irq
request_irq(unsigned int irq, irq_handler_t handler, unsigned long flags,
const char *name, void *dev)
Here the handler will be run in interrupt context
and
Hi Kavita
Thanks for clarifying
On Wednesday, September 10, 2014 10:00:06 AM UTC+5:30, kavitha wrote:
Yes it does show in cat /proc/interrupts
It doesnot matter you use request_threaded_irq or request_irq
request_irq(unsigned int irq, irq_handler_t handler, unsigned long flags,
I am unable to connect from my PC to the BBB via USB.
Using the 2MG Console, running on SDcard.
Noticed the power from dmesg.
[0.00] Linux version 3.8.13-bone64 (root@a5-imx6q-wandboard-2gb) (gcc
version 4.6.3 (Debian 4.6.3-14) ) #1 SMP Thu Aug 21 21:24:58 UTC 2014
[0.00]
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