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Added repeat handling. Removed CRLF newlines.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@664 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Björn Stenberg 2002-05-23 11:59:30 +00:00
parent 4118d8c031
commit 7a112a7204
1 changed files with 41 additions and 7 deletions
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42
firmware/drivers/button.c
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@ -29,18 +29,50 @@
static struct event_queue button_queue;
#define POLL_FREQUENCY HZ/10
#define REPEAT_START 3
#define REPEAT_INTERVAL 3
static int button_read(void);
static void button_tick(void)
{
static int counter=0;
static int tick=0;
static int count=0;
static int lastbtn=0;
static bool repeat=false;
/* only poll every X ticks */
if ( counter++ > POLL_FREQUENCY ) {
if ( tick++ > POLL_FREQUENCY ) {
bool post = false;
int btn = button_read();
if ( btn ) {
/* normal keypress */
if ( btn != lastbtn ) {
post = true;
}
/* repeat? */
else {
if ( repeat ) {
if ( ! --count ) {
post = true;
count = REPEAT_INTERVAL;
}
}
else if (count++ > REPEAT_START) {
post = true;
repeat = true;
count = REPEAT_INTERVAL;
}
}
if ( post )
queue_post(&button_queue, btn, NULL);
counter=0;
}
else
repeat = false;
lastbtn = btn;
tick = 0;
}
}
@ -48,9 +80,11 @@ int button_get(void)
{
struct event ev;
if ( !queue_empty(&button_queue) )
if ( !queue_empty(&button_queue) ) {
queue_wait(&button_queue, &ev);
return ev.id;
}
return BUTTON_NONE;
}
#ifdef HAVE_RECORDER_KEYPAD