Re: [beagleboard] Weird Problem using GPIOs on BBB

You're welcome. If you have more questions just ask. On Thu, Jul 14, 2016 at 9:11 PM, Raul Piper wrote: > Hello William, > Thankyou very much for jotting down all the relevant example amidst your > busy schedule.I am really grateful to you.I will check this.This example

Re: [beagleboard] Weird Problem using GPIOs on BBB

Hello William, Thankyou very much for jotting down all the relevant example amidst your busy schedule.I am really grateful to you.I will check this.This example looks far simpler to me. Rgds, Rp On Friday, July 15, 2016 at 2:26:00 AM UTC+5:30, William Hermans wrote: > > By the way. I'm not

Re: [beagleboard] How to Compile OpenCV 'Hello World'

Interestingly, when I omit the filename, g++ -O2 `pkg-config --cflags --libs opencv` I get warnings about lame! http://pastebin.com/dLWJaCed (ex. libmp3lame.so.0 needed by //usr/lib/arm-linux-gnueabihf/libavcodec.so not found ) Why would it be looking for lame/mp3 files to compile? lame

Re: [beagleboard] Microphone Bias Voltage Level

You would be better off using an audio codec for this purpose. Unfortunately, the Audio Cape doesn’t bring out the microphone circuitry, but you could use a audio preamp and connect to the audio cape audio input. Regards, John > On Jul 14, 2016, at 3:26 PM, keerthana.manivan...@gmail.com

Re: [beagleboard] GPIO problems on ubuntu 16.04

Denis, Which kernel version are you using for your system ? Ah ok, you said it at the beginning. a 4.4.x*bone* variant. Can you easily configure a test system to test the pin with the universal-io config-pin tool ? How I personally did this was . . . */boot/uEnv.txt* . . . ##BeagleBone Black:

[beagleboard] GPIO problems on ubuntu 16.04

Hello, I have a beaglebone black, and I am having some serious problems with the GPIO configuration, trying to migrate our working ubuntu 14.04 installation to ubuntu 16.04. The beaglebone sits on a specifically constructed board, that needs some GPIOs and the CAN-bus working, to function

Re: [beagleboard] Microphone Bias Voltage Level

Hi there, I'm looking to use an electret microphone with a beaglebone black for my project. Can't I directly plug the mic into an analog pin and use the data? Do I need a pre amplifier circuit kind of thing to use the mic with a BBB? On Tuesday, March 10, 2015 at 11:49:16 PM UTC-5, sns

Re: [beagleboard] reliability issues with Beaglebone Blacks, various failures

> > > One is an element14 board that boots ok, but reproducibly gives a > mysterious error on install from source of Python 2.7.11 (a requirement for > us, long ugly story). > This more than likely is a software issue. So, it sounds like there is some sort of software requirement, but I'd very

Re: [beagleboard] reliability issues with Beaglebone Blacks, various failures

I understand that. I'm just trying to work through the issues we're seeing, and find a way forward for us. It's a trial-and-error process. I chose the BBB initially because it's a great design that meets a lot of our needs, known and potential. To go with another design would likely involve

Re: [beagleboard] reliability issues with Beaglebone Blacks, various failures

At this point all I can say is that I did not design these boards for your application and therefore I cannot guarantee that it will do what you need it to do. >From what little you have said about your application, it sounds like industrial versions would be preferable. I would need to see a

[beagleboard] Extracting eMMC to image file on microSD card

Regarding the instructions and the file "beagleboneblack-save-emmc.zip" file located here: http://elinux.org/BeagleBone_Black_Extracting_eMMC_content I've used it successfully in the past. Now I tried it on an "Arrow BeagleBone Black Industrial" board and it doesn't work. Should this work?

[beagleboard] reliability issues with Beaglebone Blacks, various failures

In our lab we have 8-9 Beaglebone Black units. We are using them to control high intensity lights, with circuits in the 7A/9V neighborhood. The circuits are simple, using mosfets to control the high power circuits. There is water in our environment but we protect our electronics pretty well,

Re: [beagleboard] Weird Problem using GPIOs on BBB

By the way. I'm not familiar with the C++ fstream object. But this person is not doing any error checking . . . On Thu, Jul 14, 2016 at 1:48 PM, William Hermans wrote: > Ok turns out I do not have to write an example. After a quick google > search I found a very good simple

Re: [beagleboard] Weird Problem using GPIOs on BBB

Ok turns out I do not have to write an example. After a quick google search I found a very good simple example on stackoverflow: http://stackoverflow.com/questions/21198933/how-to-control-beaglebone-gpio-pins So. . . this is a very good example that shows how one would, or could wrap the gpio

Re: [beagleboard] Kernel change and naming convention (for the sake of uio / prussdrv)

> > But, you mentioned something else, that got me thinking: after backing up > the sd card and writing a new image to the sd-card, it failed first pass > (no booting BBG whatsever I tried). Flashed the image again, and then my > BBG booted. So now I start to suspect my sd card actually. Time for

Re: [beagleboard] beaglebone white doesn't work when powered from the barrel connector

Time to grab a volt ohm meter and do some troubleshooting. On 7/14/2016 10:31 AM, scma...@gmail.com wrote: > hello everybody from a newbie, > > well, happily, my beaglebone white works just fine when connected to > my pc via usb. The power led is on and everything is fine, therefore > i suppose

[beagleboard] beaglebone white doesn't work when powered from the barrel connector

hello everybody from a newbie, well, happily, my beaglebone white works just fine when connected to my pc via usb. The power led is on and everything is fine, therefore i suppose that my bb board is still functional. The case is though that i am going to need to provide external power supply

[beagleboard] Re: BeagleBoard.org Latest Firmware Images - suggest pointing to 8.3 image rather than 8.4

On Wednesday, July 13, 2016 at 8:21:47 AM UTC-7, Jeff Albrecht wrote: > ... > In my thread "jessie moved my WiFi cheese" > > I document that 8.4 and 8.5 images don't work for wifi setup via connmanctl > and that 8.3

Re: [beagleboard] Kernel change and naming convention (for the sake of uio / prussdrv)

On Thursday, July 14, 2016 at 8:18:37 PM UTC+2, William Hermans wrote: > > Well, I used apt-get install. I traced back the command entered when >> examining .bash_history: >> *# sudo apt-get install linux-image-4.1.15-bone-rt-r18 * > > > So you say it just failed, and when you examined the

Re: [beagleboard] Weird Problem using GPIOs on BBB

OK, I'm still a little busy, but I should have something example wise in a couple hours. On Thu, Jul 14, 2016 at 1:00 AM, William Hermans wrote: > You only need to toggle gpio ? How fast do you need it to be ? That code > is far to complex, and uses threading, as well as

Re: [beagleboard] Kernel change and naming convention (for the sake of uio / prussdrv)

> > Well, I used apt-get install. I traced back the command entered when > examining .bash_history: > *# sudo apt-get install linux-image-4.1.15-bone-rt-r18 * So you say it just failed, and when you examined the second stage uEnv.txt file the uname_r variable had not changed to reflect the

Re: [beagleboard] Kernel change and naming convention (for the sake of uio / prussdrv)

Overlay for Remoteproc doesn’t work so you must follow Roberts instructions to select between rproc or uio: You can swap between rproc and uio for the pruss... while, uio can be loaded as an overlay, rproc was failing, so we need to use the dtb-rebuilder... Step 1: upgrade to r34 and reboot:

Re: [beagleboard] Kernel change and naming convention (for the sake of uio / prussdrv)

On Wednesday, July 13, 2016 at 10:19:11 PM UTC+2, William Hermans wrote: > > By the way, TI's most recent kernels are purportedly supposed to use > either remoteproc, or uio_pruss. I say purportedly because I have not > personally experimented with that yet, but Robert made a post not long ago

Re: [beagleboard] Kernel change and naming convention (for the sake of uio / prussdrv)

On Wednesday, July 13, 2016 at 10:11:56 PM UTC+2, William Hermans wrote: > > The traditional Debian way, you use APT. Something like . . . > > *william@beaglebone:~/dev$ apt-cache search linux-image | grep 4.1.15-bone* > linux-image-4.1.15-bone-rt-r17 - Linux kernel, version 4.1.15-bone-rt-r17 >

[beagleboard] Cloud9 autocomplete broken in 8.4 images for Beaglebone Black

Hello, I installed the latest images (8.4) for my Beaglebone Black and am programming javascript in Cloud9, but autocomplete and linting is not working. In an older image (8.3) this was working. See also the tread at Cloud9 forum: https://community.c9.io/t/no-autocomplete-nor-input-menu/7312

[beagleboard] Re: Python GPIO Error

I am using Beaglebone Black to run ultrasonic sensor. I am using the following code. #!/usr/bin/env python import BBIO.GPIO as GPIO# Import GPIO library import time# Import time library GPIO.setmode(GPIO.BCM) # Set

[beagleboard] RE: [Driver Installer Issue]Beagleboard Inquire from Keystone Taiwan

Hi Both, If there is any comment or new status for this issue? Many Thanks. Thanks and Best Regards, William Chang(Chinese : 張世維) === KeyStone Semiconductor Corp. Chinese : 成一電子股份有限公司

[beagleboard] BeagleBoneBlack+mikrobus_cape+GSM2

Hi, since a few weeks I got my BBB plus a Mikrobus cape (4 slots) plus a MikroElektronika GSM2 modem. I was able to run it using minicom only: getting phone calls ans sending sms. I tried to manage it from java comm packages (jSSC, purejavacomm, etc.). No way and no errors: I simply get back the

Re: [beagleboard] Installing ARch Linux on BBB rev C. can't find boot/zImage

Hi William, I got it working. It seemed that I forgot that my e2fsprogs version was greater then 1.43. As mentioned in the guide (do'h bangs head against table) Create the ext4 filesystem: 1. For e2fsprogs < 1.43: mkfs.ext4 /dev/sdX1 2. For e2fsprogs >= 1.43:

[beagleboard] Bonescript simple examples not working

Hi, I just install Bonescript on my cloud9. Now I'm trying to use some simple examples. However, when I tried to use them I got some error, nevertheless, I didn't understand why, and how I can solve them. First example : Toogle LED var b = require('bonescript'); var leds = ["USR0", "USR1",

Re: [beagleboard] Weird Problem using GPIOs on BBB

You only need to toggle gpio ? How fast do you need it to be ? That code is far to complex, and uses threading, as well as callbacks for some odd reason. Threaded code can have performance overhead, and callbacks can cause problems on the stack if you're not careful. You would be better off

Re: [beagleboard] Installing ARch Linux on BBB rev C. can't find boot/zImage

Damn.. You have been busy whilst I was away. The uEnv mentioned in my previous post was one when I tried to mount the boot as a fat 16 image, so in that setup there where two partitions. The uEnv that I have currently and that is the default Arch Linux Uenv only has one line:

Re: [beagleboard] 802.11 Mesh Network with WiLink 8

Hi Mark, FYI, 802.11 and 802.15.4 protocol is different. The 802.11 is for Wi-Fi connectivity, and 802.15.4 is for Low Power Wireless Area Network, especially for Sensor Network. -- Rgds, Aston Blog | Twitter | LinkedIn