diff options
| -rw-r--r-- | firmware/drivers/button.c | 25 |
1 files changed, 21 insertions, 4 deletions
diff --git a/firmware/drivers/button.c b/firmware/drivers/button.c index 36cc0d2..41d85ab 100644 --- a/firmware/drivers/button.c +++ b/firmware/drivers/button.c @@ -31,9 +31,17 @@ struct event_queue button_queue; +/* how often we check to see if a button is pressed */ #define POLL_FREQUENCY HZ/20 + +/* how long until repeat kicks in */ #define REPEAT_START 6 -#define REPEAT_INTERVAL 4 + +/* the speed repeat starts at */ +#define REPEAT_INTERVAL_START 8 + +/* speed repeat finishes at */ +#define REPEAT_INTERVAL_FINISH 2 static int repeat_mask = DEFAULT_REPEAT_MASK; static int release_mask = DEFAULT_RELEASE_MASK; @@ -45,6 +53,7 @@ static void button_tick(void) static int tick=0; static int count=0; static int lastbtn=0; + static int repeat_speed=REPEAT_INTERVAL_START; static bool repeat=false; int diff; @@ -69,14 +78,21 @@ static void button_tick(void) { post = true; repeat = false; + repeat_speed = REPEAT_INTERVAL_START; + } else /* repeat? */ { if ( repeat ) { - if ( ! --count ) { + count--; + if (count == 0) { post = true; - count = REPEAT_INTERVAL; + /* yes we have repeat */ + repeat_speed--; + if (repeat_speed < REPEAT_INTERVAL_FINISH) + repeat_speed = REPEAT_INTERVAL_FINISH; + count = repeat_speed; } } else @@ -95,7 +111,8 @@ static void button_tick(void) { post = true; repeat = true; - count = REPEAT_INTERVAL; + /* initial repeat */ + count = REPEAT_INTERVAL_START; } /* If the OFF button is pressed long enough, and we are still alive, then the unit must be |