diff options
Diffstat (limited to 'src/drivers/ao_event.c')
| -rw-r--r-- | src/drivers/ao_event.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/drivers/ao_event.c b/src/drivers/ao_event.c index 5c0d2863..8f88d778 100644 --- a/src/drivers/ao_event.c +++ b/src/drivers/ao_event.c @@ -41,6 +41,22 @@ ao_event_get(struct ao_event *ev) ); } +uint8_t +ao_event_get_for(struct ao_event *ev, uint16_t timeout) +{ + uint8_t empty = 1; + ao_arch_critical( + while ((empty = ao_event_queue_empty())) + if (ao_sleep_for(&ao_event_queue, timeout)) + break; + if (!empty) { + *ev = ao_event_queue[ao_event_queue_remove]; + ao_event_queue_remove = ao_event_queue_next(ao_event_queue_remove); + } + ); + return empty; +} + /* called with interrupts disabled */ void ao_event_put_isr(uint8_t type, uint8_t unit, int32_t value) |