diff options
| author | Keith Packard <keithp@keithp.com> | 2009-10-31 01:19:41 -0700 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2009-10-31 01:19:41 -0700 |
| commit | 442b1ef18c8320d4e5329dc92bb5268a36058fc5 (patch) | |
| tree | 1511189c334bf254526ed7dee7964a701bbf2065 /src/ao_timer.c | |
| parent | 4f7ed9ff484778381db647c27d2a34d0cadec41e (diff) | |
Use ao_alarm for ao_delay so it can be easily interrupted
Diffstat (limited to 'src/ao_timer.c')
| -rw-r--r-- | src/ao_timer.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/ao_timer.c b/src/ao_timer.c index 78c6e063..d7603435 100644 --- a/src/ao_timer.c +++ b/src/ao_timer.c @@ -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 */ |