Am Freitag, 14. August 2015 08:04:01 UTC+2 schrieb Valeria M.:
I need to timetag the samples with an accuracy in the order of us (or
less if possible) referred to the system clock previously synchronized
with ntp.
Not feasible under LINUX. You'll need customized real-time software
In a very semplified way you suggest that I have to:
use libruio to start the measurement and read the system clock using one PRU
use the other PRU to increase ADC sample freq
?
I'll probably need to read more about scratchpad register and XIN XOUT and
all the functionality in libruio.
but
Connect your external clock and let the PRU watch a GPIO pin or an analog
input and start the measurement on a certain state. Check out the triggers
http://users.freebasic-portal.de/tjf/Projekte/libpruio/doc/html/_cha_examples.html#SubSecExaTriggers
example.
I don't have an external
Hi!
Am Donnerstag, 13. August 2015 21:58:05 UTC+2 schrieb Maro:
Have you used libpruio much? I was going to access the htimers to get high
precision accuracy between the ADC output. Is there a nice way to do that?
or does the 5uS pru assembly give me the ability to determinately know the
Hello Beaglebone experts:
I will appreciate your help in configuring Huawei E303 cellular modem on
Beaglebone Black running Debian Linux.
I found some help on the web and I have tried the following:
1)I installed USB-modeswith and USB-modeswitch-data
2)I also installed sakis3G
Upon
On Aug 14, 2015 5:53 PM, Kumar Abhishek kumar.abhishek.kak...@gmail.com
wrote:
Hi Robert,
I'm facing a strange issue here, that once I have written this new image
to the SD Card, and I reboot the device, I am unable to SSH into it further.
The icon on my Ubuntu PC here just keeps on blinking
LOL!!! If you only knew.
Gerald
On Fri, Aug 14, 2015 at 3:57 PM, Philip Polstra ppols...@gmail.com wrote:
Great to see this out there as an option! I'll have to let some of my
customers know it is available if they need a little extra power on their
hacking drones.
On Thu, Aug 13,
On Aug 14, 2015 3:43 PM, 11pet...@gmail.com wrote:
I am getting this error when trying to run my php script:
PHP Fatal error: Call to undefined function json_encode()
It turned out that the root cause is php not supporting json extensions,
I did some googling and found the fix, but the fix
However, the issue seemed to persist for me even when I switched to kernel
version 3.8.13 - bone74 in the same image.
Should I try another 3.8.13 kernel?
Abhishek
*Kumar Abhishek*
Undergraduate Student
Department of Electronics and Electrical Communications Engineering
Indian Institute of
Great to see this out there as an option! I'll have to let some of my
customers know it is available if they need a little extra power on their
hacking drones.
On Thu, Aug 13, 2015 at 1:27 PM Bill Mar bill...@specialcomp.com wrote:
Now offering 1GB DRAM option on our BeagleBoneBlack Rev C
Thanks for the update dieter! I didn't know kernel version 4.1 was recently
released... well, I now know what I'm going to be doing over the next month
with our team's Repository.
On Fri, Aug 14, 2015 at 1:30 PM, dieter.van.ees...@gmail.com wrote:
I see someone has recently asked a question on
Hi all,
Is it possible to enable an external clock signal (preferably by way of
Timer7) on the Beaglebone Black via just the device tree? A combination of
the device tree and sysfs? I've been able to get these working through
Starterware, but have not been successful under Debian. I've tried
I see someone has recently asked a question on this old post.
Controlling pwm using linux is nicely documented in kernel docs:
https://www.kernel.org/doc/Documentation/ABI/testing/sysfs-class-pwm
controlling simple servo takes period 20 ms and duty_cycle 1 - 2 ms, start
with these values
echo
I am getting this error when trying to run my php script:
PHP Fatal error: Call to undefined function json_encode()
It turned out that the root cause is php not supporting json extensions, I
did some googling and found the fix, but the fix is not working:
Well, guess the Green was more in-the-dark than I thought. My goal is to try to
verify quality and software compatibility of clones/variations, including
official Gerald-himself-designed variations. That seems to be of value to the
community in my estimation. Corrections welcome.
On Aug 13,
Hi Robert,
I'm facing a strange issue here, that once I have written this new image to
the SD Card, and I reboot the device, I am unable to SSH into it further.
The icon on my Ubuntu PC here just keeps on blinking between device
connected and device disconnected. If I configured my PC to have a
I was unable to use the NOPx instructions, same error. But you can define a
macro, ex:
.macro NOP
MOV r1, r1
.endm
.macro NOP2
MOV r1, r1
MOV r1, r1
;endm
and so on. Your code will look more readable.
Le jeudi 13 août 2015 17:05:35 UTC-3, ky...@cranehome.info a écrit :
On Thursday, August
Hi all,
Is it possible to enable an external clock signal (preferably by way of
Timer7) on the Beaglebone Black via just the device tree? A combination of
the device tree and sysfs? I've been able to get these working through
Starterware, but have not been successful under Debian. I've tried
On Thu, Aug 13, 2015 at 9:28 PM, Kazz aspect...@gmail.com wrote:
4.1.1-ti-r2
Try: sudo apt-get install linux-headers-`uname -r`
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Things are looking pretty good, now.
I am running 4.1.4-ti-r9 on one BBB Rev C. and 4.1.5-ti-r10 on another.
No reboots on either. Two days uptime on r9 and one day uptime on r10.
I will let them run a few more days, at least.
r8 set a new record of only 2 minutes between one set of reboots,
Robert
Prematurely, Thank you for your answer.
Kazz
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