Use ao_radio_done to wait for TX to completely finish with packet
[fw/altos] / src / ao_task.c
index 136444b0899ef0b6112544f507f7ca9e8b7d80fa..14aa84c841d698d3a285de7370c80de369c7b56f 100644 (file)
@@ -129,6 +129,13 @@ ao_yield(void) _naked
                                break;
                        }
 
+                       /* Check if the alarm is set for a time which has passed */
+                       if (ao_cur_task->alarm &&
+                           (int16_t) (ao_time() - ao_cur_task->alarm) >= 0) {
+                               ao_cur_task_index = ao_next_task_index;
+                               break;
+                       }
+
                        /* Enter lower power mode when there isn't anything to do */
                        if (ao_next_task_index == ao_cur_task_index)
                                PCON = PCON_IDLE;
@@ -181,13 +188,20 @@ ao_yield(void) _naked
        _endasm;
 }
 
-void
+uint8_t
 ao_sleep(__xdata void *wchan)
 {
        __critical {
                ao_cur_task->wchan = wchan;
        }
        ao_yield();
+       if (ao_cur_task->wchan) {
+               ao_cur_task->wchan = NULL;
+               ao_cur_task->alarm = 0;
+               return 1;
+       }
+       ao_cur_task->alarm = 0;
+       return 0;
 }
 
 void
@@ -200,6 +214,13 @@ ao_wakeup(__xdata void *wchan)
                        ao_tasks[i]->wchan = NULL;
 }
 
+void
+ao_alarm(uint16_t delay)
+{
+       if (!(ao_cur_task->alarm = ao_time() + delay))
+               ao_cur_task->alarm = 1;
+}
+
 void
 ao_wake_task(__xdata struct ao_task *task)
 {