int prussdrv_open(unsigned int pru_evtout_num) { char name[128]; sprintf(name, "/dev/uio%d", pru_evtout_num); prussdrv.fd[pru_evtout_num] = open(name, O_RDWR | O_SYNC); return __prussdrv_memmap_init(); }
int prussdrv_open(unsigned int pru_evtout_num) { char name[PRUSS_UIO_PRAM_PATH_LEN]; if (!prussdrv.fd[pru_evtout_num]) { sprintf(name, "/dev/uio%d", pru_evtout_num); prussdrv.fd[pru_evtout_num] = open(name, O_RDWR | O_SYNC); return __prussdrv_memmap_init(); } else { return -1; } }
int prussdrv_open(unsigned int host_interrupt) { char name[PRUSS_UIO_PRAM_PATH_LEN]; if (!prussdrv.fd[host_interrupt]) { sprintf(name, "/dev/uio%d", host_interrupt); prussdrv.fd[host_interrupt] = open(name, O_RDWR | O_SYNC); return __prussdrv_memmap_init(); } else { return -1; } }
int prussdrv_open(unsigned int host_interrupt) { int i, fd; char name[PRUSS_UIO_PRAM_PATH_LEN]; if (!prussdrv.fd[host_interrupt]) { sprintf(name, "/dev/uio%d", host_interrupt); for (i=0; i<UIO_OPEN_TIMEOUT; i++) { if ((fd = open(name, O_RDWR | O_SYNC)) >= 0) break; sleep(1); } if (i==UIO_OPEN_TIMEOUT) { DEBUG_PRINTF("open %s: timeout\n", name); return -1; } prussdrv.fd[host_interrupt] = fd; return __prussdrv_memmap_init(); } else { return -1; } }