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ident properly

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@102 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Daniel Stenberg 2002-04-16 13:40:42 +00:00
parent feef1ed076
commit bde61f2206
1 changed files with 66 additions and 60 deletions
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126
firmware/button.c
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@ -61,20 +61,20 @@ static int count; /* Number of calls button has been down */
void button_init() void button_init()
{ {
#ifndef SIMULATOR #ifndef SIMULATOR
/* Set PB4 and PB8 as input pins */ /* Set PB4 and PB8 as input pins */
PBCR1 &= 0xfffc; /* PB8MD = 00 */ PBCR1 &= 0xfffc; /* PB8MD = 00 */
PBCR2 &= 0xfcff; /* PB4MD = 00 */ PBCR2 &= 0xfcff; /* PB4MD = 00 */
PBIOR &= ~(PBDR_BTN_ON|PBDR_BTN_OFF); /* Inputs */ PBIOR &= ~(PBDR_BTN_ON|PBDR_BTN_OFF); /* Inputs */
/* Set A/D to scan AN4 and AN5. /* Set A/D to scan AN4 and AN5.
* This needs to be changed to scan other analog pins * This needs to be changed to scan other analog pins
* for battery level, etc. */ * for battery level, etc. */
ADCSR = 0; ADCSR = 0;
ADCR = 0; ADCR = 0;
ADCSR = ADCSR_ADST | ADCSR_SCAN | 0x5; ADCSR = ADCSR_ADST | ADCSR_SCAN | 0x5;
#endif #endif
last = BUTTON_NONE; last = BUTTON_NONE;
count = 0; count = 0;
} }
/* /*
@ -82,36 +82,36 @@ void button_init()
*/ */
static int get_raw_button (void) static int get_raw_button (void)
{ {
/* Check port B pins for ON and OFF */ /* Check port B pins for ON and OFF */
int data = PBDR; int data = PBDR;
if ((data & PBDR_BTN_ON) == 0) if ((data & PBDR_BTN_ON) == 0)
return BUTTON_ON; return BUTTON_ON;
else if ((data & PBDR_BTN_OFF) == 0) else if ((data & PBDR_BTN_OFF) == 0)
return BUTTON_OFF; return BUTTON_OFF;
/* Check AN4 pin for F1-3 and UP */ /* Check AN4 pin for F1-3 and UP */
data = ADDRAH; data = ADDRAH;
if (data >= LEVEL4) if (data >= LEVEL4)
return BUTTON_F3; return BUTTON_F3;
else if (data >= LEVEL3) else if (data >= LEVEL3)
return BUTTON_UP; return BUTTON_UP;
else if (data >= LEVEL2) else if (data >= LEVEL2)
return BUTTON_F2; return BUTTON_F2;
else if (data >= LEVEL1) else if (data >= LEVEL1)
return BUTTON_F1; return BUTTON_F1;
/* Check AN5 pin for DOWN, PLAY, LEFT, RIGHT */ /* Check AN5 pin for DOWN, PLAY, LEFT, RIGHT */
data = ADDRBH; data = ADDRBH;
if (data >= LEVEL4) if (data >= LEVEL4)
return BUTTON_DOWN; return BUTTON_DOWN;
else if (data >= LEVEL3) else if (data >= LEVEL3)
return BUTTON_PLAY; return BUTTON_PLAY;
else if (data >= LEVEL2) else if (data >= LEVEL2)
return BUTTON_LEFT; return BUTTON_LEFT;
else if (data >= LEVEL1) else if (data >= LEVEL1)
return BUTTON_RIGHT; return BUTTON_RIGHT;
return BUTTON_NONE; return BUTTON_NONE;
} }
/* /*
@ -123,29 +123,35 @@ static int get_raw_button (void)
*/ */
int button_get(void) int button_get(void)
{ {
int btn = get_raw_button(); int btn = get_raw_button();
int ret; int ret;
/* Last button pressed is still down */ /* Last button pressed is still down */
if (btn != BUTTON_NONE && btn == last) { if (btn != BUTTON_NONE && btn == last) {
count++; count++;
if (count == BOUNCE_COUNT) if (count == BOUNCE_COUNT)
return btn; return btn;
else if (count >= HOLD_COUNT) else if (count >= HOLD_COUNT)
return btn | BUTTON_HELD; return btn | BUTTON_HELD;
else
return BUTTON_NONE;
}
/* Last button pressed now released */
if (btn == BUTTON_NONE && last != BUTTON_NONE)
ret = last | BUTTON_REL;
else else
return BUTTON_NONE; ret = BUTTON_NONE;
}
last = btn;
/* Last button pressed now released */ count = 0;
if (btn == BUTTON_NONE && last != BUTTON_NONE) return ret;
ret = last | BUTTON_REL;
else
ret = BUTTON_NONE;
last = btn;
count = 0;
return ret;
} }
#endif /* HAVE_RECORDER_KEYPAD */ #endif /* HAVE_RECORDER_KEYPAD */
/* -----------------------------------------------------------------
* local variables:
* eval: (load-file "rockbox-mode.el")
* end:
*/