lorijho

void button_init_device(void){    /* We need to output to pin 6 of GPIOD when reading the scroll pad value */    GPIOD_OUTPUT_EN |= 0x40;    GPIOD_OUTPUT_VAL |= 0x40;    GPIOD_OUTPUT_EN |= 0x80;    GPIOD_OUTPUT_VAL |= 0x80;}void app_main(void){    init();        int button= BUTTON_NONE;    char buf0[128];    int scroll_pos;        while(true){        button = button_read_device();        if (button == BUTTON_POWER){            sleep(HZ);            GPIOF_OUTPUT_VAL &=~ 0x20;        }        if ( GPIOD_INPUT_VAL & 0x20 )        {            GPIOD_OUTPUT_VAL &=~ 0x40;            GPIOD_OUTPUT_VAL |=  0x80;            udelay(50);            scroll_pos = adc_scan(ADC_SCROLLPAD);            GPIOD_OUTPUT_VAL &=~0x80;            GPIOD_OUTPUT_VAL |= 0x40;            snprintf(buf0, sizeof(buf0), "SCROLL: %2x",scroll_pos);        }        lcd_puts(0, 1, buf0);        lcd_update();    }        //browse_root();}