Re: Recommended dev board for beginner
Date: Wed, 11 Jan 2023 22:22:08 UTC
On Thu, 12 Jan 2023 00:18:40 +0300 Lev Serebryakov <lev@FreeBSD.org> wrote: > On 10.01.2023 11:32, Dmitry Salychev wrote: > > > I'd recommend BeagleBone Black. It's relatively cheap, powerful, > > easy to boot FreeBSD, got a lot of GPIO pins and even two 32-bit > > 200 MHz microcontrollers in addition to the main processor. > > Are here any instructions how to provide firmware for these > microcontrollers from booted FreeBSD and communicate with them? > # cat /usr/ports/devel/libpru/pkg-descr libpru is a library to interface with Programmable Realtime Units on FreeBSD. Currently only the Texas Instruments PRUs are supported. Those can be found in the AM18XX and AM33XX (BeagleBone Black) SoCs. # cat /usr/ports/devel/pructl/pkg-descr pructl is a tool to interface with libpru. It allows the user to reset the PRU, enable/disable the PRU and to upload programs to the PRU. Disclaimer: I did not test it, yet. That's what I found most probably relevant. How to write and compile/build programs for PRUs is not yet clear to me, TI's official page is to be found at their page - https://www.ti.com/tool/PRU-ICSS-INDUSTRIAL-SW - maybe someone could create something from it, I did not search any further. Regards, Milan