Re: [time-nuts] Beaglebone´s PRUs

2014-06-26 Thread Matthew Martin
I received a new Rev C BeagleBone black this week, which identifies itself as running the Debian distribution. I just loaded John's 5370_proc package onto the Beagle, ran make and it all compiled without a problem. I can't do any testing beyond this for the time being, but I did want to let John

Re: [time-nuts] Beaglebone´s PRUs

2014-06-25 Thread John Seamons
If you're looking for example code that uses the BeagleBone PRU: The 5370 processor replacement project uses the PRU to meet real-time requirements accessing the 5370 and Beagle GPIOs (basically, by staying away from Linux). The code shows how to communicat

[time-nuts] Beaglebone´s PRUs

2014-06-23 Thread Daniel Mendes
Sometime ago pleople here talked about using the PRU´s (two cores with predictable timing) inside the Beaglebone´s main chip to make time measurements. Today I found this article that points to more data about programming the PRUs, even in C: http://hackaday.com/2014/06/22/an-introduction-to