ao_list_for_each_entry(alarm, &alarm_queue, struct ao_task, alarm_queue) {
if ((int16_t) (alarm->alarm - task->alarm) >= 0) {
ao_list_insert(&task->alarm_queue, alarm->alarm_queue.prev);
ao_list_for_each_entry(alarm, &alarm_queue, struct ao_task, alarm_queue) {
if ((int16_t) (alarm->alarm - task->alarm) >= 0) {
ao_list_insert(&task->alarm_queue, alarm->alarm_queue.prev);
ao_task_validate_alarm_queue();
return;
}
}
ao_list_append(&task->alarm_queue, &alarm_queue);
ao_task_validate_alarm_queue();
return;
}
}
ao_list_append(&task->alarm_queue, &alarm_queue);
ao_task_check_alarm(uint16_t tick)
{
struct ao_task *alarm, *next;
ao_task_check_alarm(uint16_t tick)
{
struct ao_task *alarm, *next;
ao_list_for_each_entry_safe(alarm, next, &alarm_queue, struct ao_task, alarm_queue) {
if ((int16_t) (tick - alarm->alarm) < 0)
break;
ao_list_for_each_entry_safe(alarm, next, &alarm_queue, struct ao_task, alarm_queue) {
if ((int16_t) (tick - alarm->alarm) < 0)
break;
/* Task switching function. This must not use any stack variables */
void
ao_yield(void) ao_arch_naked_define
/* Task switching function. This must not use any stack variables */
void
ao_yield(void) ao_arch_naked_define
- if (ao_cur_task->wchan == NULL) {
- uint32_t flags;
- flags = ao_arch_irqsave();
+ /* If the current task is running, move it to the
+ * end of the queue to allow other tasks a chance
+ */
+ if (ao_cur_task->wchan == NULL)
- /* Enter lower power mode when there isn't anything to do */
- if (ao_cur_task_index == ao_last_task_index)
- ao_arch_cpu_idle();
+ /* Wait for interrupts when there's nothing ready */
+ if (ao_cur_task_index == ao_last_task_index && !ao_task_minimize_latency)
+ ao_arch_wait_interrupt();