#include #include #include #ifndef CONFIG_RTL_CLOCK_GPOS #error CONFIG_RTL_CLOCK_GPOS required #endif static pthread_t thread; static int my_softirq; void * start_routine(void *arg) { hrtime_t abstime = clock_gethrtime(CLOCK_REALTIME) + 1000000000; struct sched_param p; p . sched_priority = 1; pthread_setschedparam (pthread_self(), SCHED_FIFO, &p); while (1) { clock_nanosleep (CLOCK_REALTIME, TIMER_ABSTIME, hrt2ts(abstime), NULL); rtl_global_pend_irq(my_softirq); abstime += 1000000000; } return 0; } static void my_handler(int irq,void *ignore,struct pt_regs *ignoreregs) { struct timeval tv; int diff; hrtime_t now = clock_gethrtime(CLOCK_GPOS); hrtime_t linuxnow; do_gettimeofday(&tv); linuxnow = tv.tv_sec * (long long) 1000000000 + tv.tv_usec * 1000; diff = now - linuxnow; rtl_printf("diff = %d\n", diff); } int init_module(void) { pthread_create (&thread, NULL, start_routine, 0); my_softirq = rtl_get_soft_irq(my_handler,"rtlinux test sofirq"); return 0; } void cleanup_module(void) { rtl_free_soft_irq(my_softirq); pthread_cancel (thread); pthread_join (thread, NULL); }