#define HAS_TICK 1
#endif
+#if HAS_TICK || defined(AO_TIMER_HOOK)
+
#if HAS_TICK
volatile AO_TICK_TYPE ao_tick_count;
return ao_tick_count;
}
+uint64_t
+ao_time_ns(void)
+{
+ AO_TICK_TYPE before, after;
+ uint32_t cvr;
+
+ do {
+ before = ao_tick_count;
+ cvr = stm_systick.cvr;
+ after = ao_tick_count;
+ } while (before != after);
+
+ return (uint64_t) after * (1000000000ULL / AO_HERTZ) +
+ (uint64_t) cvr * (1000000000ULL / AO_SYSTICK);
+}
+
+#endif
+
#if AO_DATA_ALL
-volatile __data uint8_t ao_data_interval = 1;
-volatile __data uint8_t ao_data_count;
+volatile uint8_t ao_data_interval = 1;
+volatile uint8_t ao_data_count;
#endif
void stm_systick_isr(void)
{
ao_validate_cur_stack();
if (stm_systick.csr & (1 << STM_SYSTICK_CSR_COUNTFLAG)) {
+#if HAS_TICK
++ao_tick_count;
-#if HAS_TASK_QUEUE
- if (ao_task_alarm_tick && (int16_t) (ao_tick_count - ao_task_alarm_tick) >= 0)
- ao_task_check_alarm((uint16_t) ao_tick_count);
#endif
+ ao_task_check_alarm();
#if AO_DATA_ALL
- if (++ao_data_count == ao_data_interval) {
+ if (++ao_data_count == ao_data_interval && ao_data_interval) {
ao_data_count = 0;
#if HAS_FAKE_FLIGHT
if (ao_fake_flight_active)