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Fuzev2: Scrollwheel works like a charm :)

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Move scrollwheel parsing function into separate file as it's reused.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25425 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Thomas Martitz 2010-04-01 16:07:56 +00:00
parent 47dcf58e28
commit f376fd2f4a
9 changed files with 187 additions and 115 deletions
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38
firmware/target/arm/as3525/sansa-fuzev2/button-fuzev2.c
View file

@ -24,21 +24,50 @@
#include "button.h"
#include "backlight.h"
/*
* TODO: Scrollwheel!
*/
extern void scrollwheel(unsigned wheel_value);
#ifdef HAS_BUTTON_HOLD
static bool hold_button = false;
#endif
void button_init_device(void)
{ /* activate the wheel */
volatile int i;
GPIOB_DIR |= 1<<4;
for(i = 20; i; i--) nop;
GPIOB_PIN(4) = 0x10;
}
unsigned read_GPIOA_67(void)
{
unsigned ret = 0;
volatile int i;
DBOP_CTRL |= 1<<19;
for(i = 20; i; i--) nop;
GPIOA_DIR &= ~0xc0;
for(i = 20; i; i--) nop;
if (GPIOA_PIN(6) != 0)
ret = 1<<0;
for(i = 20; i; i--) nop;
if (GPIOA_PIN(7) != 0)
ret |= 1<<1;
DBOP_CTRL &= ~(1<<19);
for(i = 20; i; i--) nop;
return ret;
}
void get_scrollwheel(void)
{
#if defined(HAVE_SCROLLWHEEL) && !defined(BOOTLOADER)
/* scroll wheel handling */
scrollwheel(read_GPIOA_67());
#endif
}
/*
* Get button pressed from hardware
*/
int button_read_device(void)
{
int btn = 0;
@ -48,6 +77,7 @@ int button_read_device(void)
unsigned gpiod = GPIOD_DATA;
unsigned gpioa_dir = GPIOA_DIR;
unsigned gpiod6;
get_scrollwheel();
for(delay = 500; delay; delay--) nop;
CCU_IO &= ~(1<<12);
for(delay=8;delay;delay--) nop;

6
firmware/target/arm/as3525/sansa-fuzev2/button-target.h
View file

@ -31,6 +31,12 @@ void button_init_device(void);
bool button_hold(void);
int button_read_device(void);
unsigned short button_read_dbop(void);
void get_scrollwheel(void);
#define WHEEL_REPEAT_INTERVAL (HZ/5)
#define WHEEL_COUNTER_DIV 4
#define ACCEL_INCREMENT 2
#define ACCEL_SHIFT 2
/* Sandisk Sansa Fuze button codes */
/* Main unit's buttons */