diff options
| -rw-r--r-- | firmware/target/arm/as3525/sansa-fuzev2/button-fuzev2.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/firmware/target/arm/as3525/sansa-fuzev2/button-fuzev2.c b/firmware/target/arm/as3525/sansa-fuzev2/button-fuzev2.c index 445fbd3..b9139ef 100644 --- a/firmware/target/arm/as3525/sansa-fuzev2/button-fuzev2.c +++ b/firmware/target/arm/as3525/sansa-fuzev2/button-fuzev2.c @@ -30,13 +30,12 @@ extern void scrollwheel(unsigned wheel_value); static bool hold_button = false; #endif void button_init_device(void) -{ /* activate the wheel */ - volatile int i; +{ GPIOA_DIR &= ~(1<<6|1<<7); GPIOC_DIR = 0; - GPIOB_DIR |= (1<<4)|(1<<3)|(1<<0); - for(i = 20; i; i--) nop; - GPIOB_PIN(4) = 1<<4; + GPIOB_DIR |= (1<<4)|(1<<0); + + GPIOB_PIN(4) = 1<<4; /* activate the wheel */ } unsigned read_GPIOA_67(void) @@ -82,8 +81,6 @@ int button_read_device(void) CCU_IO &= ~(1<<12); - for(delay=8;delay;delay--) nop; - GPIOB_PIN(0) = 1<<0; for(delay = 500; delay; delay--) nop; |