?? clock_gpos.c
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#include <rtl.h>#include <time.h>#include <pthread.h>#ifndef CONFIG_RTL_CLOCK_GPOS#error CONFIG_RTL_CLOCK_GPOS required#endifstatic 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);}
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