Use ao_alarm for ao_delay so it can be easily interrupted
authorKeith Packard <keithp@keithp.com>
Sat, 31 Oct 2009 08:19:41 +0000 (01:19 -0700)
committerKeith Packard <keithp@keithp.com>
Sat, 31 Oct 2009 08:19:41 +0000 (01:19 -0700)
src/ao_timer.c

index 78c6e06..d760343 100644 (file)
@@ -24,13 +24,13 @@ uint16_t ao_time(void) __critical
        return ao_tick_count;
 }
 
+static __xdata uint8_t ao_forever;
+
 void
 ao_delay(uint16_t ticks)
 {
-       uint16_t until = ao_time() + ticks;
-
-       while ((int16_t) (until - ao_time()) > 0)
-               ao_sleep(DATA_TO_XDATA(&ao_tick_count));
+       ao_alarm(ticks);
+       ao_sleep(&ao_forever);
 }
 
 #define T1_CLOCK_DIVISOR       8       /* 24e6/8 = 3e6 */