Bill, I have been studying this myself, it is complex, and the learning curve looks to be pretty steep to a newbie embedded programmer. Here's as clear of an explanation as I have been able to find:
http://processors.wiki.ti.com/index.php/PRU-ICSS_Remoteproc_and_RPMsg > I've got the PRU Cape and that combined with the Debian distro and version 4 kernel it is pretty easy to run the example code using the kernel driver. Understanding what is going on is another story. If you go to exploringbeaglebone.com and look in the chapter "Extra Content Linux Kernel Programming" there are 3 articles which guide you through the workings of kernel drivers. Regards, Greg -- 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 group and stop receiving emails from it, send an email to beagleboard+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.