[beagleboard] Re: [Beaglebone Black, ADC, C++, Eclipse, crosscompiling]First steps: is this doable?

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 (P

[beagleboard] Re: [Beaglebone Black, ADC, C++, Eclipse, crosscompiling]First steps: is this doable?

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 > > > example. I don't have an extern

[beagleboard] Re: ADC generic_buffer.c issues || Accessing ADC from own kernel module

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 th

[beagleboard] Re: [Beaglebone Black, ADC, C++, Eclipse, crosscompiling]First steps: is this doable?

Hi! Is this nonsense talk? > I cant say, unless you specify your requirements. Am Freitag, 14. August 2015 03:08:41 UTC+2 schrieb Valeria M.: > > >- let the PRU read the timer value at every sample > > This makes no sense to me. Once the ADC was started, you'll have accurate timing by hardwa

Re: [beagleboard] How to install linux_headers

On Thu, Aug 13, 2015 at 9:28 PM, Kazz wrote: > Hi all. > > I am using Debian8 on beaglebone Black. > It's kernel is 4.1.1-ti-r2. > I'd like to install the headers, but it does not go well. > > # uname -r > 4.1.1-ti-r2 > # apt-get install linux-headers-4.1.1-ti-r2 > > E: Unable to locate package li

[beagleboard] How to install linux_headers

Hi all. I am using Debian8 on beaglebone Black. It's kernel is 4.1.1-ti-r2. I'd like to install the headers, but it does not go well. # uname -r 4.1.1-ti-r2 # apt-get install linux-headers-4.1.1-ti-r2 E: Unable to locate package linux-headers-4.1.1-ti-r2 E: Couldn't find any package by regex 'li

[beagleboard] Re: [Beaglebone Black, ADC, C++, Eclipse, crosscompiling]First steps: is this doable?

I'll take a look! (I've no idea what is a "CRO" application tho', Google hasn't been helpful) V. Il giorno giovedì 13 agosto 2015 02:45:13 UTC+2, terra ÜÝÜ ha scritto: > > For PRU recommend you have a look at > https://github.com/abhishek-kakkar/BeagleLogic > > and also from memory there was a

[beagleboard] Re: [Beaglebone Black, ADC, C++, Eclipse, crosscompiling]First steps: is this doable?

Thanks ! It's still not at all clear to me how the system wall time and the adc sample time could be related, here another question similar to the one I have, Rick M suggests to: - use a

Re: [beagleboard] BeagleBone Black doesn't sometimes start. Only Power LED is on

3,3V and 5V shorted together would most certainly have been something undesirable. Pity that the FTDI only puts out 5V on that header and not a voltage level that is the same as the signal level. The purpose of the buffer which was to prevent current coming from the the FTDI signals and powering t

Re: [beagleboard] BeagleBone Black doesn't sometimes start. Only Power LED is on

I just took a look at Rev C schematics and there is a 100K pulldown on the RX pin so I wouldn’t have expected pulling directly to ground to make it any worse. All in all 100K is not much of a pull down, but I do agree that pull up is what you want - that at least is idle state on a serial line (

Re: [beagleboard] BeagleBone Black doesn't sometimes start. Only Power LED is on

For what it's worth, I run hundreds of 24/7 unattended systems with the BBB. We have tested reboots into the tens of thousands, and with some work we are able to achieve zero failures. Off the top of my head here are the key platform specific things I do that you might want to look at: 1) Mod the

Re: [beagleboard] BeagleBone Black doesn't sometimes start. Only Power LED is on

I'll chime in again too - we originally tested our 3v3-rx jumper with a direct connection, but then decided it might be nice to keep the ability to use the serial debug port. Right now we've got a 470 ohm resistor pulling rx up, which seems to allow communication over serial still. We also tri

Re: [beagleboard] BeagleBone Black doesn't sometimes start. Only Power LED is on

In my case I am running 3.8.13-bone68 and system is pretty darn solid if it does start up. I have not seen Ethernet fail nor have I had any random reboots, but occasional I do have a device not power up when power is applied. We have not been able to determine a consistent cause and I am not co

Re: [beagleboard] Beaglebone Black Wifi Managed and Master mode

Thanks Nuno, I'll take note of chipset. Unfortunately in my case I can't chance upgrading to 4.x yet. On Wednesday, August 12, 2015 at 8:21:14 PM UTC-5, Nuno wrote: > > On 08/12/2015 04:53 PM, Colin Bester wrote: > > USB WiFi to debian 3.8.13-boneX where they are able to connect to > > existing

Re: [beagleboard] BeagleBone Black doesn't sometimes start. Only Power LED is on

Hi Robert, > Please confirm which kernel your running 3.8.13-bone71 (updated beginning of last June) > There's a big thread on this list, where a bunch spend about 2 weeks bisecting the v4.1.x kernel to find the cause of the "random" reboot.. I don't have an issue though with random reboots -

[beagleboard] Enabling UART1 on BeagleBone Black using Yocto

Hi !! I am new to the yocto project. I want to enable the UART1 driver. Yocto uses flattened device tree structure & as an example I was successfully able to enable the LED user 0. The procedure I followed was.. 1. Go to /sys/class/gpio directory. 2. Issued "echo 53 > export". This created the

[beagleboard] Re: Is there a NOP opcode for the PRU?

On Thursday, August 13, 2015 at 2:01:48 PM UTC-5, TJF wrote: > > Hi! > > The assembler also supports a NOPn operation (NOP0 - NOPf). See SRM > chapter 5.3.4.1.18 for details. > > BR > I read that (SRM page 61) and mentioned in my post that I had tried them. "thus far every iteration I have t

[beagleboard] Re: ADC generic_buffer.c issues || Accessing ADC from own kernel module

I will also experiment with the pru but don't like giving up on a solution just because I haven't got it working. I'd still like to know how to get it from a kernel module Have you used libpruio much? I was going to access the htimers to get high precision accuracy between the ADC output. Is t

Re: [beagleboard] Re: ADC generic_buffer.c issues || Accessing ADC from own kernel module

On Thu, Aug 13, 2015 at 2:44 PM, TJF wrote: > > Am Donnerstag, 13. August 2015 21:18:48 UTC+2 schrieb RobertCNelson: >> >> On Thu, Aug 13, 2015 at 2:16 PM, TJF wrote: >> > Hi! >> > >> > Why don't you use libpruio for maximum sampling rate? >> >> Does it support v4.1.x? >> >> Regards, >> >> -- >>

Re: [beagleboard] BBB Linux Headers

Hi Robert, Thanks for getting back to me. That has solved my issue. I appreciate the response. Tim On Thu, Aug 13, 2015 at 3:15 PM, Robert Nelson wrote: > Hi Tim, > > So there's a couple issues, we don't have unlimited space and the > kernel branch your on "4.1.1-ti-r2", will be seeing 1 or 2

Re: [beagleboard] Re: ADC generic_buffer.c issues || Accessing ADC from own kernel module

Am Donnerstag, 13. August 2015 21:18:48 UTC+2 schrieb RobertCNelson: > > On Thu, Aug 13, 2015 at 2:16 PM, TJF > > wrote: > > Hi! > > > > Why don't you use libpruio for maximum sampling rate? > > Does it support v4.1.x? > > Regards, > > -- > Robert Nelson > https://rcn-ee.com/ > Never tr

[beagleboard] Re: [Beaglebone Black, ADC, C++, Eclipse, crosscompiling]First steps: is this doable?

Hi! Am Donnerstag, 13. August 2015 17:39:39 UTC+2 schrieb Valeria M.: > > The original plan was to use as synchronization source (of the system > clock) a ptp clock or ntp server and acquire the samples one second > (200ksamples) a time and attach a timetag to every one of them, and thatìs > wh

Re: [beagleboard] Re: ADC generic_buffer.c issues || Accessing ADC from own kernel module

On Thu, Aug 13, 2015 at 2:16 PM, TJF wrote: > Hi! > > Why don't you use libpruio for maximum sampling rate? Does it support v4.1.x? Regards, -- Robert Nelson https://rcn-ee.com/ -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribe

[beagleboard] Re: ADC generic_buffer.c issues || Accessing ADC from own kernel module

Hi! Why don't you use libpruio for maximum sampling rate? BR -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group

[beagleboard] Re: ADC generic_buffer.c issues || Accessing ADC from own kernel module

Hi! Why don't you use libpruio for maximum sampling rate? BR -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group

Re: [beagleboard] BBB Linux Headers

Hi Tim, So there's a couple issues, we don't have unlimited space and the kernel branch your on "4.1.1-ti-r2", will be seeing 1 or 2 releases a week for the next year... Headers can be installed via: sudo apt-get install linux-headers-`uname -r` On Thu, Aug 13, 2015 at 1:43 PM, wrote: > Hell

[beagleboard] Re: Pololu QTR-8rc on beaglebone

Hi! I didn't use these sensors yet, but isn't it better to control the charging voltage by an analog input? Anyway, you can use libpruio to change the GPIO mode between INPUT or OUTPUT at run-time. (Your software has to run under root privilegues.) Y

[beagleboard] BBB Linux Headers

Hello, First time poster here. I have a BBB running Ubuntu 14.04, and I need to write a Linux kernel module for it. I've tried following a bunch of Ubuntu tutorials online, as well as the link here: http://dumb-looks-free.blogspot.ca/2014/06/beaglebone-black-bbb-kernal-headers.html (credit

[beagleboard] Re: Is there a NOP opcode for the PRU?

Hi! The assembler also supports a NOPn operation (NOP0 - NOPf). See SRM chapter 5.3.4.1.18 for details. BR -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this gro

Re: [beagleboard] Re: cant able to connect to the server 192.168.7.2

See your IP in ethernet or wireless networks and the mask, if this conflict with BBB the problem is here... the network need to be in another space... Maycon Em 13/08/2015 13:56, ben.l.willi...@gmail.com escreveu: I got the same issue. Connected via USB. Do we have to make an ethernet connect

Re: [beagleboard] RAM 1GB option

Jason D. Kridner On Thu, Aug 13, 2015 at 1:07 PM, Maxim Podbereznyy wrote: > can't even guess what JDK is. I know only Java Kit > > 2015-08-13 21:01 GMT+03:00 Gerald Coley : > >> El Presidente JDK. >> >> Gerald >> >> >> On Thu, Aug 13, 2015 at 12:56 PM, Maxim Podbereznyy >> wrote: >> >>> Gerald

Re: [beagleboard] RAM 1GB option

can't even guess what JDK is. I know only Java Kit 2015-08-13 21:01 GMT+03:00 Gerald Coley : > El Presidente JDK. > > Gerald > > > On Thu, Aug 13, 2015 at 12:56 PM, Maxim Podbereznyy > wrote: > >> Gerald, >> >> who is "the President"? I know only one person whose position is written >> from a ca

Re: [beagleboard] RAM 1GB option

El Presidente JDK. Gerald On Thu, Aug 13, 2015 at 12:56 PM, Maxim Podbereznyy wrote: > Gerald, > > who is "the President"? I know only one person whose position is written > from a capital letter - a black guy in the white house :) > > 2015-08-13 20:37 GMT+03:00 Robert Nelson : > >> On Thu, Au

Re: [beagleboard] RAM 1GB option

Gerald, who is "the President"? I know only one person whose position is written from a capital letter - a black guy in the white house :) 2015-08-13 20:37 GMT+03:00 Robert Nelson : > On Thu, Aug 13, 2015 at 12:27 PM, Bill Mar > wrote: > > Now offering 1GB DRAM option on our BeagleBoneBlack Rev

Re: [beagleboard] RAM 1GB option

On Thu, Aug 13, 2015 at 12:27 PM, Bill Mar wrote: > Now offering 1GB DRAM option on our BeagleBoneBlack Rev C NoLgo board. > https://specialcomp.com/beaglebone/#22902 > > Special Computing has restarted full production of our NoLogo board > products. > > We will release more stock for public sale

Re: [beagleboard] RAM 1GB option

Now offering 1GB DRAM option on our BeagleBoneBlack Rev C NoLgo board. https://specialcomp.com/beaglebone/#22902 Special Computing has restarted full production of our NoLogo board products. We will release more stock for public sale after our internal project needs are met. Bill Mar Special Co

Re: [beagleboard] RAM 1GB option

I mean a BBB type board. X15 has 2G. I may do my own version with 4G. Again, it is up to the President. Although he appears to be focused on cloning with his new Green initiative. Gerald On Thu, Aug 13, 2015 at 12:04 PM, Robert Nelson wrote: > On Thu, Aug 13, 2015 at 12:03 PM, Maxim Podberez

Re: [beagleboard] Equivalent of PRU on main CPU

Sounds promising... Anyway I have a felling that it will not beat the PRU speed, for reasons already explained in this discussion. If you are willing to get rid of the OS to run direcly your application on beaglebone, maybe using FPGAs would be a better idea. I don't know FPGAs very well, but I

Re: [beagleboard] RAM 1GB option

On Thu, Aug 13, 2015 at 12:03 PM, Maxim Podbereznyy wrote: > Gerald, > > do you mean BBB or X15? :) That has 2GB... ;) Regards, -- Robert Nelson https://rcn-ee.com/ -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Goog

Re: [beagleboard] RAM 1GB option

Gerald, do you mean BBB or X15? :) 2015-08-13 19:01 GMT+03:00 Gerald Coley : > You need to ask the President as to his plans. Considering the fact hat > the cost of the board will jump in price, most likely not. > > I will be producing boards in the future with this option. > > Gerald > > > On T

Re: [beagleboard] BBB OpenSuse 13.2 no video output

I have the wrong config *linux:/home # zcat /proc/config.gz | grep TDA998X* *CONFIG_DRM_I2C_NXP_TDA998X=m* *linux:/home # zcat /proc/config.gz | grep TILCD* *CONFIG_DRM_TILCDC=y* I do not find the folder /usr/src/linux and the make command is not install, this JeOS version is really thin. Should

[beagleboard] Re: cant able to connect to the server 192.168.7.2

I got the same issue. Connected via USB. Do we have to make an ethernet connection to ping 192.178.7.2? On Saturday, June 27, 2015 at 10:03:18 AM UTC-5, may...@magsoft.com.br wrote: > > Are you trying to connect over usb or ethernet? > > > Em sábado, 27 de junho de 2015 07:22:03 UTC-3, Ram Gopa

Re: [beagleboard] ADC generic_buffer.c issues || Accessing ADC from own kernel module

For the linux-image-4.1.4-ti-r9 RN kernel image- Did you just compile from source from https://github.com/beagleboard/linux/tree/4.1 - I can read the values manually too but thats where it starts to fall apart: root@beaglebone:~# cat /sys/bus/iio/devices/iio\:

Re: [beagleboard] RAM 1GB option

You need to ask the President as to his plans. Considering the fact hat the cost of the board will jump in price, most likely not. I will be producing boards in the future with this option. Gerald On Thu, Aug 13, 2015 at 10:50 AM, Robert Nelson wrote: > On Thu, Aug 13, 2015 at 10:46 AM, Maxim

Re: [beagleboard] RAM 1GB option

If it were a few dollars bump in cost +1 for me. On Thu, Aug 13, 2015 at 11:46 AM, Maxim Podbereznyy wrote: > Hi! > > Are there any plans to increase RAM to 1GB instead of 512MB at BBB? I > understand that this move can only be based on support of the majority of > user, therefore I wonder how ma

[beagleboard] RAM 1GB option

Hi! Are there any plans to increase RAM to 1GB instead of 512MB at BBB? I understand that this move can only be based on support of the majority of user, therefore I wonder how many people would vote for this Max -- For more options, visit http://beagleboard.org/discuss --- You received this m

Re: [beagleboard] RAM 1GB option

On Thu, Aug 13, 2015 at 10:46 AM, Maxim Podbereznyy wrote: > Hi! > > Are there any plans to increase RAM to 1GB instead of 512MB at BBB? I > understand that this move can only be based on support of the majority of > user, therefore I wonder how many people would vote for this I've seen custom bo

[beagleboard] Re: [Beaglebone Black, ADC, C++, Eclipse, crosscompiling]First steps: is this doable?

Good evening! thanks for the conciseness (btw with Host CPU you mean the bbb one?)! You are fairly right about the lack of requirements in my question, the main problem is that I don't really have one! The lower the latency the better could be the tagline of my project. The original plan was t

Re: [beagleboard] BBB OpenSuse 13.2 no video output

On Thu, Aug 13, 2015 at 9:37 AM, matthieu claire wrote: > I have the wrong config > > linux:/home # zcat /proc/config.gz | grep TDA998X > CONFIG_DRM_I2C_NXP_TDA998X=m > linux:/home # zcat /proc/config.gz | grep TILCD > CONFIG_DRM_TILCDC=y > > I do not find the folder /usr/src/linux and the make co

Re: [beagleboard] Image 2015-7-26, kernel 4.1.3-ti-r6

Perfect thanks. Running r9 and no reboots yet although my 8 would take around 14 hours. On Thursday, August 13, 2015 at 2:43:48 PM UTC+1, RobertCNelson wrote: > > On Thu, Aug 13, 2015 at 1:50 AM, Lee Armstrong > wrote: > > What is the best way to get this applied to the last snapshot 2015-08-09

Re: [beagleboard] BeagleBone Black doesn't sometimes start. Only Power LED is on

On Wed, Aug 12, 2015 at 6:35 PM, wrote: > Jumping Rx to 3V3 pretty much solved the problem for me. > > Why only "pretty much"? Well - I actually installed my first project on a > customer site. This project consists of 12 boards communicating back to a > management system. Because of the issue wi

Re: [beagleboard] Enabling power management features on 3.8 kernel with device tree

On Thu, Aug 13, 2015 at 8:44 AM, wrote: > Hello, > > I've been trying to get suspend working on a BeagleBone Black with ubuntu > kernel version 3.8.13-bone68. As I understand it, in kernel 3.8 the driver > binary needs to be loaded manually after boot in the directory > /sys/devices/ocp.2/44d

Re: [beagleboard] BBB OpenSuse 13.2 no video output

On Thu, Aug 13, 2015 at 6:41 AM, wrote: > Hi Robert, > > Thank you for your quick feedback. > > Unfortunately it's not working, the device is not identified. hdmi or lcd? > > There is no /dev/fb0 identified. > > [17.653] (II) LoadModule: "fbdevhw" > [17.655] (II) Loading /usr/lib/xorg/m

[beagleboard] Enabling power management features on 3.8 kernel with device tree

Hello, I've been trying to get suspend working on a BeagleBone Black with ubuntu kernel version 3.8.13-bone68. As I understand it, in kernel 3.8 the driver binary needs to be loaded manually after boot in the directory /sys/devices/ocp.2/44d0.wkup_m3/firmware/am335x-pm-firmware.bin/. My fi

Re: [beagleboard] BBB OpenSuse 13.2 no video output

Hi Robert, Thank you for your quick feedback. Unfortunately it's not working, the device is not identified. There is no /dev/fb0 identified. *[17.653] (II) LoadModule: "fbdevhw"* *[17.655] (II) Loading /usr/lib/xorg/modules/libfbdevhw.so* *[17.660] (II) Module fbdevhw: vendor="X.Or

[beagleboard] blacklib powering QTR-8rc from pololu

Hi, Im trying to power the qtr-8rc from pololu from my beaglebone using blacklib. https://www.pololu.com/product/961 Im able to power the IR lights but reading values are failing. On thing that the 8rc requires is for you to put the GPIO in output mode for 10 milliseconds and then switch to i

Re: [beagleboard] BeagleBone Black doesn't sometimes start. Only Power LED is on

Jumping Rx to 3V3 pretty much solved the problem for me. Why only "pretty much"? Well - I actually installed my first project on a customer site. This project consists of 12 boards communicating back to a management system. Because of the issue with the eth0 occasionally not reconnecting (e.g.

Re: [beagleboard] Image 2015-7-26, kernel 4.1.3-ti-r6

On Thu, Aug 13, 2015 at 1:50 AM, Lee Armstrong wrote: > What is the best way to get this applied to the last snapshot 2015-08-09 > > Is there a download of a .deb? For other units, will they pick this up > using apt-get when this gets published? The way the apt repo is setup, kernel updates are

Re: [beagleboard] Pololu QTR-8rc on beaglebone

Not sure what language you are using. But can't you just create the gpio object, do the charging, wait a bit, then delete the object, then create a new gpio object as output? Jerry -- Extra Ham Operator: K7AZJ Registered Linux User: 275424 Raspberry Pi and Arduino developer *The most exciti

[beagleboard] Pololu QTR-8rc on beaglebone

Anyone have any luck connecting pololu QTR-8rc on beaglebone black. Im trying to build a line follower with a beaglebone black using BlackLib The Arduino code that reads the IR signal puts the GPIOs in write mode to charge capacitors and then switches to read mode and times how long it takes f