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authorKeith Packard <keithp@keithp.com>2015-02-13 23:51:10 -0800
committerKeith Packard <keithp@keithp.com>2015-02-13 23:51:10 -0800
commitf4c812bef76a2cd95f675cb27ea89059561ceec7 (patch)
tree9244ec29ee751a3384f7a0249714d9109934df7c /src/drivers/ao_companion.c
parent1445725b983134d5a967dee88ef997bf15d4a422 (diff)
altos: Replace ao_alarm/ao_clear_alarm with ao_sleep_for
Having arbitrary alarms firing in the middle of complicated device logic makes no sense at all. Therefore only correct use of ao_alarm and ao_clear_alarm was around a specific ao_sleep call, with correct recovery in case the alarm fires. This patch replaces all uses of ao_alarm/ao_sleep/ao_clear_alarm with ao_sleep_for, a new function which takes the alarm timeout directly. A few cases which weren't simply calling ao_sleep have been reworked to pass the timeout value down to the place where sleep *is* being called, and having that code deal with the return correctly. Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'src/drivers/ao_companion.c')
-rw-r--r--src/drivers/ao_companion.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/src/drivers/ao_companion.c b/src/drivers/ao_companion.c
index 570b9e40..7e02939b 100644
--- a/src/drivers/ao_companion.c
+++ b/src/drivers/ao_companion.c
@@ -102,8 +102,7 @@ ao_companion(void)
break;
}
while (ao_companion_running) {
- ao_alarm(ao_companion_setup.update_period);
- if (ao_sleep(DATA_TO_XDATA(&ao_flight_state)))
+ if (ao_sleep_for(DATA_TO_XDATA(&ao_flight_state), ao_companion_setup.update_period))
ao_companion_get_data();
else
ao_companion_notify();