diff options
| author | Keith Packard <keithp@keithp.com> | 2013-05-13 22:34:19 -0700 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2013-06-09 12:14:11 -0700 |
| commit | 72b6c699d355fcd41addb9919d846e63105b9db7 (patch) | |
| tree | e80c32df0eaa776db2b01eccc91bbba15b8d2499 /src/drivers/ao_event.c | |
| parent | 47b7e1d819e48aaebf6ffda49effbee041ce8750 (diff) | |
altos: Add debounce helper. Use in button and quadrature drivers for TeleLCO
Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'src/drivers/ao_event.c')
| -rw-r--r-- | src/drivers/ao_event.c | 17 |
1 files changed, 2 insertions, 15 deletions
diff --git a/src/drivers/ao_event.c b/src/drivers/ao_event.c index 440ef2de..c428125d 100644 --- a/src/drivers/ao_event.c +++ b/src/drivers/ao_event.c @@ -25,11 +25,6 @@ #define ao_event_queue_empty() (ao_event_queue_insert == ao_event_queue_remove) #define ao_event_queue_full() (ao_event_queue_next(ao_event_queue_insert) == ao_event_queue_remove) -/* - * Whether a sequence of events from the same device should be collapsed - */ -#define ao_event_can_collapse(type) ((type) == AO_EVENT_QUADRATURE) - struct ao_event ao_event_queue[AO_EVENT_QUEUE]; uint8_t ao_event_queue_insert; uint8_t ao_event_queue_remove; @@ -48,17 +43,9 @@ ao_event_get(struct ao_event *ev) /* called with interrupts disabled */ void -ao_event_put_isr(uint8_t type, uint8_t unit, uint32_t value) +ao_event_put_isr(uint8_t type, uint8_t unit, int32_t value) { if (!ao_event_queue_full()) { - - if (ao_event_can_collapse(type) && !ao_event_queue_empty()) { - uint8_t prev = ao_event_queue_prev(ao_event_queue_insert); - - if (ao_event_queue[prev].type == type && - ao_event_queue[prev].unit == unit) - ao_event_queue_insert = prev; - } ao_event_queue[ao_event_queue_insert] = (struct ao_event) { .type = type, .unit = unit, @@ -71,7 +58,7 @@ ao_event_put_isr(uint8_t type, uint8_t unit, uint32_t value) } void -ao_event_put(uint8_t type, uint8_t unit, uint32_t value) +ao_event_put(uint8_t type, uint8_t unit, int32_t value) { ao_arch_critical(ao_event_put_isr(type, unit, value);); } |