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The Player button_read used Port C. It now uses ANx instead

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@1338 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Linus Nielsen Feltzing 2002-07-05 07:11:20 +00:00
parent 4edf8aebf5
commit b62b0b6699
1 changed files with 14 additions and 11 deletions
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25
firmware/drivers/button.c
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@ -179,14 +179,17 @@ static int button_read(void)
#elif HAVE_PLAYER_KEYPAD #elif HAVE_PLAYER_KEYPAD
/* The player has all buttons on port pins: /* The player has two buttons on port pins:
LEFT: PC0
RIGHT: PC2
PLAY: PC3
STOP: PA11 STOP: PA11
ON: PA5 ON: PA5
MENU: PC1
The rest are on analog inputs:
LEFT: AN0
MENU: AN1
RIGHT: AN2
PLAY: AN3
*/ */
void button_init(void) void button_init(void)
@ -200,18 +203,18 @@ void button_init(void)
static int button_read(void) static int button_read(void)
{ {
int porta = PADR; int porta = PADR;
int portc = PCDR;
int btn = 0; int btn = 0;
/* buttons are active low */ /* buttons are active low */
if ( !(portc & 1) ) if(adc_read(0) < 0x180)
btn |= BUTTON_LEFT; btn |= BUTTON_LEFT;
if ( !(portc & 2) ) if(adc_read(1) < 0x180)
btn |= BUTTON_MENU; btn |= BUTTON_MENU;
if ( !(portc & 4) ) if(adc_read(2) < 0x180)
btn |= BUTTON_RIGHT; btn |= BUTTON_RIGHT;
if ( !(portc & 8) ) if(adc_read(3) < 0x180)
btn |= BUTTON_PLAY | BUTTON_UP; btn |= BUTTON_PLAY | BUTTON_UP;
if ( !(porta & 0x20) ) if ( !(porta & 0x20) )
btn |= BUTTON_ON; btn |= BUTTON_ON;
if ( !(porta & 0x800) ) if ( !(porta & 0x800) )