[beagleboard] PRU Timing in C

I've encountered a big issue trying to provide accurate timing of pulses sent from pru0. I'm toggling one pin and trying to set another pin low for just a single low cycle of the first pin. This worked fine in assembler language but in C the timing of the second pin based on the first pin being

Re: [beagleboard] Re: What can be deleted to free up space in onboard storage?

By the way, similar to what Graham mentioned. Get a larger sdcard. Personally I use 16G sdcards( think we have some 32's as well ), and resize the main partition to file the whole card. There are actually a few ways to do this, for me the quickest was is to use fdisk. Basically it involves

Re: [beagleboard] Re: What can be deleted to free up space in onboard storage?

This is the specific post I mentioned: https://groups.google.com/forum/#!searchin/beagleboard/William$20Robert$20Reduce$20rootfs|sort:relevance/beagleboard/0IDdkljrWOE/9V3X0gSvMHkJ On Fri, May 12, 2017 at 5:14 PM, William Hermans wrote: > > > On Fri, May 12, 2017 at 5:33 AM,

Re: [beagleboard] Re: What can be deleted to free up space in onboard storage?

On Fri, May 12, 2017 at 5:33 AM, Christopher Burian wrote: > William, I didn't get very far with apt-get remove before I was still left > with lots of cruft and not knowing what I can get rid of without breaking > things. > > Best regards, > Chris > So, you need to be more

[beagleboard] Re: What can be deleted to free up space in onboard storage?

You did not say if you are using the video output and HDMI. I just saw that they are including a 2GB lqxt version in the weekly distribution package again. This is for the early 2GB eMMC version of the BBB. If you do need the lqxt version, you could install this, expand the file system to 4 GB,

[beagleboard] launching ffmpeg from inside my c code doesn't convert video stream from fifo

(ubuntu 16.04 linux 4.4.62-ti-r99) i have a raw h264 feed coming into my c program (into a callback from a custom API) and then i named-piped the raw h264 to a file and this CLI command converts that file successfully. ffmpeg -report -re -framerate 30 -y -f h264 -i orbi_0148.cam1.h264 -c:v

[beagleboard] Re: PRU Timing in C

> On May 12, 2017, at 4:38 PM, M Pitman wrote: > > I've encountered a big issue trying to provide accurate timing of pulses sent > from pru0. I'm toggling one pin and trying to set another pin low for just a > single low cycle of the first pin. This worked fine in

Re: [beagleboard] Re: I²C reads on broken out bus #1 always return 0

On Fri, May 12, 2017 at 9:44 AM, Graham Haddock wrote: > I take back what I said about a non standard read sequence. I re-read the > data sheet, and they describe a standard concatenated write/read sequence > for a single byte read. But I do note that they do not describe

Re: [beagleboard] Return of BB-xm?

On Fri, May 12, 2017 at 12:10 PM, Jacek Radzikowski wrote: > Thanks for explanation. Is there a chance for BBxM getting more love > in the current distros? Like ;) https://rcn-ee.net/rootfs/bb.org/testing/2017-05-07/lxqt-xm-4gb/ Regards, -- Robert Nelson

Re: [beagleboard] Return of BB-xm?

On Fri, May 12, 2017 at 12:02 PM, Jacek Radzikowski wrote: > Did Mouser get their time machine to work, or is Beagleboard.org > really reviving BB-xM? > https://twitter.com/MouserElecEU/status/863006624247623680 There was still demand for the xM's when CircuitCo went

[beagleboard] Return of BB-xm?

Did Mouser get their time machine to work, or is Beagleboard.org really reviving BB-xM? https://twitter.com/MouserElecEU/status/863006624247623680 Jacek -- Given a choice between two theories, take the one which is funnier -- For more options, visit http://beagleboard.org/discuss --- You

Re: [beagleboard] armel image for beaglebone black

On Fri, May 12, 2017 at 11:51 AM, marty leisner wrote: > I need an armel image for my beagle. > > It has an old angstrom image. > > Is there a debian armel image someplace for the beagle? I have an armel > jessie, I suppose I can put it on an sdcard and put a bootable

[beagleboard] armel image for beaglebone black

I need an armel image for my beagle. It has an old angstrom image. Is there a debian armel image someplace for the beagle? I have an armel jessie, I suppose I can put it on an sdcard and put a bootable kernel on it? It would be simple but I don't see the uboot stanzas when my system boots (I

Re: [beagleboard] Re: I²C reads on broken out bus #1 always return 0

I take back what I said about a non standard read sequence. I re-read the data sheet, and they describe a standard concatenated write/read sequence for a single byte read. But I do note that they do not describe a simple read only sequence, where the part would start reading from the last

Re: [beagleboard] Re: I²C reads on broken out bus #1 always return 0

On 05/12/2017 10:48 AM, 'Torsten K.' via BeagleBoard wrote: So, I'm still convinced that it has to do with the hardware and/or the setup of the I²C bus of the beaglebone... Where else could I look? Have you stuck an oscilloscope or logic analyzer on it to see what is actually on the bus?

Re: [beagleboard] Re: I²C reads on broken out bus #1 always return 0

Hi Graham, Am Freitag, 12. Mai 2017 17:05:55 UTC+2 schrieb Graham: > > It looks like the MPU9250 has a non standard (to my way of thinking) I2C > read sequence that requires you to resend the register address as part of a > consolidated write/read sequence. The default tool i2cget does not

[beagleboard] Re: Flashing eMMC memory from SD card with Chipsee Debian Jessie

I 've tried reinstall lightdm sudo apt-get remove lightdm* --purge sudo reboot On display appeared: Debian GNU/Linux 8 beaglebone tty1 BeagleBoard.org Debian Image 2015-05-07 Support/FAQ: http://elinux.org/Beagleboard:BeagleBoneBlack_Debian default username:password is [debian:temppwd]

Re: [beagleboard] Re: I²C reads on broken out bus #1 always return 0

It looks like the MPU9250 has a non standard (to my way of thinking) I2C read sequence that requires you to resend the register address as part of a consolidated write/read sequence. The default tool i2cget does not deal with this, and only deals with simple (standard to my way of thinking) read

[beagleboard] Re: I²C reads on broken out bus #1 always return 0

Update: I lowered the clock frequency of i2c1 to 100kHz via the dtb. That also doesn't change the behaviour. -- 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

[beagleboard] Re: Flashing eMMC memory from SD card with Chipsee Debian Jessie

I followed your instructions. After step 5 lxqt really showed up, touchscreen tracked finger (it will be needed calibration, but ok). My changes: 1.)unblocking putty login via "root" /etc/ssh/sshd_config: PermitRootLogin without-password ---> PermitRootLogin yes 2.) purging packages for

[beagleboard] Re: I²C reads on broken out bus #1 always return 0

Hi Graham + William, thank you for getting back to me so quickly. The device I'm trying to communicate with is this motor controller: https://www.piborg.org/picoborgrev/specs It's made for the Raspberry PI, but I don't see any reason for it not to work with the Beaglebone Blue. With the help

[beagleboard] Re: What can be deleted to free up space in onboard storage?

Thanks, Graham, that's what I was looking for. Start with the minimalist system and put in (or build) the packages I need. Building takes forever though, I need to set up cross compiling on another machine. William, I didn't get very far with apt-get remove before I was still left with lots

[beagleboard] Running beagle image on Virtual Machine Manager ?

Hello everyone, Is there any possibilities for running beagle image on Virtual Machine Manager ? Thanks, -- 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

Re: [beagleboard] Re: Flashing eMMC memory from SD card with Chipsee Debian Jessie

Thank you very much for your time and detailed answer. But as I wrote, I need "backup" SD card with my custom stuff which I want to use for flashing eMMC in another BBBs. I 've found script /opt/scripts/tools/eMMC/beaglebone-black-make-microSD-flasher-from-eMMC.sh Is this the only option for me?