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Added player button scanning

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@154 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Björn Stenberg 2002-04-20 14:42:49 +00:00
parent e7246de933
commit 8c1d94fb23
2 changed files with 64 additions and 17 deletions
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50
firmware/button.c
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@ -21,13 +21,11 @@
*/
#include "config.h"
#ifdef HAVE_RECORDER_KEYPAD
#include "types.h"
#include "sh7034.h"
#include "button.h"
#ifdef HAVE_RECORDER_KEYPAD
/* AJBR buttons are connected to the CPU as follows:
*
* ON and OFF are connected to separate port B input pins.
@ -148,7 +146,49 @@ int button_get(void)
return ret;
}
#endif /* HAVE_RECORDER_KEYPAD */
#elif HAVE_PLAYER_KEYPAD
/* The player has all buttons on port pins:
LEFT: PC0
RIGHT: PC2
PLAY: PC3
STOP: PA11
ON: PA5
MENU: PC1
*/
void button_init(void)
{
/* set port pins as input */
PAIOR &= ~0x820;
}
int button_get(void)
{
int porta = PADR;
int portc = PCDR;
int btn = 0;
if ( portc & 1 )
btn |= BUTTON_LEFT;
if ( portc & 2 )
btn |= BUTTON_MENU;
if ( portc & 4 )
btn |= BUTTON_RIGHT;
if ( portc & 8 )
btn |= BUTTON_PLAY | BUTTON_UP;
if ( porta & 0x20 )
btn |= BUTTON_ON;
if ( porta & 0x800 )
btn |= BUTTON_STOP | BUTTON_DOWN;
return btn;
}
#endif
/* -----------------------------------------------------------------
* local variables: