I'm using both PRU0 and PRU1 for data acquition. The PRUs write data to their respective memory blocks and I read the data from the host arm core via mmaps. I.E.,
pru0mem = (int32_t *) mmap(0, MAP_SIZE, PROT_READ, MAP_SHARED, fd, PRU0_RAM & ~MAP_MASK); pru1mem = (int32_t *) mmap(0, MAP_SIZE, PROT_READ, MAP_SHARED, fd, PRU1_RAM & ~MAP_MASK); pru0point = (int32_t *) mmap(0, MAP_SIZE, PROT_READ, MAP_SHARED, fd, PRU_SHARED & ~MAP_MASK); bigbuf[k] = prumem0[k]; ... where bigbuf is a big array on the arm side. It seems to work, however, when it runs continuously it seems like there is some type of random glitch where occasionally I am getting bad data. Any idea how this could happen? Could it be something with the pru_rproc driver? Is there a better way to do this? Thanks. Chris -- 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. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/6ae3926b-ea4c-450a-8af6-f414aed737edn%40googlegroups.com.
