diff options
Diffstat (limited to 'usb-i2c-sl018/manual.c')
| -rw-r--r-- | usb-i2c-sl018/manual.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/usb-i2c-sl018/manual.c b/usb-i2c-sl018/manual.c index 3333a80..36f1a6c 100644 --- a/usb-i2c-sl018/manual.c +++ b/usb-i2c-sl018/manual.c @@ -30,6 +30,8 @@ #define MANUAL_DDR DDRF #define MANUAL_BIT 0 +#define MANUAL_LP_MAX 255 + void init_manual(void) { MANUAL_DDR = MANUAL_DDR & ~(1<<MANUAL_BIT); @@ -39,9 +41,18 @@ void init_manual(void) void manual_task(void) { static uint8_t last_state = 0; + static uint8_t lp_cnt = 0; + uint8_t state = MANUAL_PIN & (1<<MANUAL_BIT); - if(state && state != last_state) - eventqueue_push(btn_toggle); + if(state != last_state) + lp_cnt++; + else + lp_cnt += lp_cnt ? -1 : 0; - last_state = state; + if(lp_cnt >= MANUAL_LP_MAX) { + if(state) + eventqueue_push(btn_toggle); + last_state = state; + lp_cnt = 0; + } } |