Re: [beagleboard] Re: remoteproc write to PRU over rpmsg device blocks even when set non-blocking

2020-06-23 Thread Andrew P. Lentvorski
Sure. Right now, I just keep track of how many messages are in flight and I don't allow it to queue too many. That's useful once you know what the bug is. Fortunately, I hit this bug before I had two threads (one receiving USB and one receiving ethernet) which would have made hunting it down

[beagleboard] Re: soft UART implementation on the AM335x PRU

2020-06-23 Thread Mark A. Yoder
I've just posted v2 of the PRU Cookbook[1]. It should help with some of your questions. I suggest doing all the development in cloud9 on the Beagle. the PRU compiler is already installed on the current images. --Mark [1] https://github.com/MarkAYoder/PRUCookbook On Friday, June 19, 2020 at

[beagleboard] Re: 2GB linux image

2020-06-23 Thread sagar patel
wm.b.barnett wrote: > > Are there 2GB Linux images available? I have an older B-version and would > like to use it in a small application. > > Yes, 2 GB Linux Images are available but there is the limitations for the speed and performance. You cannot use it for complex applications. However, if

[beagleboard] Ethernet phy ID u-boot fix

2020-06-23 Thread Bob Ham
Hi there, My BeagleBone Green has had major problems with the Ethernet phy since I got it many years ago. There is a patch for Linux here: https://github.com/RobertCNelson/bb-kernel/blob/am33x-v5.3/patches/drivers/ti/cpsw/0001-cpsw-search-for-phy.patch I asked in #beagle on FreeNode IRC about t

Re: [beagleboard] Re: requesting information on pcb files for beaglebone black and beaglebone ai

2020-06-23 Thread Jason Kridner
The only part that shouldn't match is the logo (which we have stripped from the source). We have, at times, taken the source design and handed it off for manufacturing to be certain it matches. However, in this case, we relied on Embest to provide us with matching design files to the production han

[beagleboard] Re: 2GB linux image

2020-06-23 Thread Chris Green
Bill Barnett wrote: > [-- text/plain, encoding 7bit, charset: UTF-8, 14 lines --] > > Are there 2GB Linux images available? I have an older B-version and would > like to use it in a small application. > The 'console' versions are smallest, the image file is only about 1Gb. You'll only have ssh

Re: [beagleboard] Re: remoteproc write to PRU over rpmsg device blocks even when set non-blocking

2020-06-23 Thread 'Mark Lazarewicz' via BeagleBoard
You could increase  the vring buffers or check for full and retry depending  on how critical the timing is. Sent from Yahoo Mail on Android On Tue, Jun 23, 2020 at 2:04 AM, Andrew P. Lentvorski wrote: Urk, sorry I didn't quite get the implications of this statement: The kfifo is used onl

Re: [beagleboard] Re: remoteproc write to PRU over rpmsg device blocks even when set non-blocking

2020-06-23 Thread Andrew P. Lentvorski
Urk, sorry I didn't quite get the implications of this statement: The kfifo is used only on the receive path because of the asynchronous > callbacks. The > Tx-path is synchronous, the copy is attempted directly on the vring buffers > That means that kfifo doesn't exist on send so the only avail