Exemple #1
0
void button_init_device(void)
{
    /* Enable all buttons */
    GPIO_CLEAR_BITWISE(GPIOF_OUTPUT_EN, 0xff);
    GPIO_SET_BITWISE(GPIOF_ENABLE, 0xff);

    /* Scrollwheel light - enable control through GPIOG pin 7 and set timeout */
    GPIO_SET_BITWISE(GPIOG_OUTPUT_EN, 0x80);
    GPIO_SET_BITWISE(GPIOG_ENABLE, 0x80);

#ifndef BOOTLOADER
    /* Mask these before performing init ... because init has possibly
       occurred before */
    GPIO_CLEAR_BITWISE(GPIOF_INT_EN, 0xff);
    GPIO_CLEAR_BITWISE(GPIOH_INT_EN, 0xc0);

    GPIO_CLEAR_BITWISE(GPIOH_OUTPUT_EN, 0xc0);
    GPIO_SET_BITWISE(GPIOH_ENABLE, 0xc0);

    /* Read initial buttons */
    button_int();

    /* Read initial wheel value (bit 6-7 of GPIOH) */
    read_wheel_keycode();

    /* Enable button interrupts */
    GPIO_SET_BITWISE(GPIOF_INT_EN, 0xff);
    GPIO_SET_BITWISE(GPIOH_INT_EN, 0xc0);

    CPU_INT_EN = HI_MASK;
    CPU_HI_INT_EN = GPIO1_MASK;
#endif /* BOOTLOADER */
}
Exemple #2
0
void __attribute__((interrupt("IRQ"))) irq_handler(void)
{
    if(CURRENT_CORE == CPU)
    {
        if (CPU_INT_STAT & TIMER1_MASK) {
            TIMER1();
        }
        else if (CPU_INT_STAT & TIMER2_MASK) {
            TIMER2();
        }
#ifdef HAVE_USBSTACK
        /* Rather high priority - place near front */
        else if (CPU_INT_STAT & USB_MASK) {
            usb_drv_int();
        }
#endif
#if defined(IPOD_MINI) /* Mini 1st gen only, mini 2nd gen uses iPod 4G code */
        else if (CPU_HI_INT_STAT & GPIO0_MASK) {
            if ((GPIOA_INT_STAT & 0x3f) || (GPIOB_INT_STAT & 0x30))
                ipod_mini_button_int();
            if (GPIOC_INT_STAT & 0x02)
                firewire_insert_int();
            if (GPIOD_INT_STAT & 0x08)
                usb_insert_int();
        }
/* end IPOD_MINI */
#elif CONFIG_KEYPAD == IPOD_4G_PAD /* except Mini 1st gen, handled above */
        else if (CPU_HI_INT_STAT & I2C_MASK) {
            ipod_4g_button_int();
        }
#if defined(IPOD_COLOR) || defined(IPOD_MINI2G) || defined(IPOD_4G)
        else if (CPU_HI_INT_STAT & GPIO0_MASK) {
            if (GPIOC_INT_STAT & 0x02)
                firewire_insert_int();
            if (GPIOD_INT_STAT & 0x08)
                usb_insert_int();
        }
#elif defined(IPOD_NANO) || defined(IPOD_VIDEO)
        else if (CPU_HI_INT_STAT & GPIO2_MASK) {
            if (GPIOL_INT_STAT & 0x10)
                usb_insert_int();
        }
#endif
/* end CONFIG_KEYPAD == IPOD_4G_PAD */
#elif defined(IRIVER_H10) || defined(IRIVER_H10_5GB)
        else if (CPU_HI_INT_STAT & GPIO2_MASK) {
            if (GPIOL_INT_STAT & 0x04)
                usb_insert_int();
        }
/* end IRIVER_H10 || IRIVER_H10_5GB */
#elif defined(SANSA_E200)
        else if (CPU_HI_INT_STAT & GPIO0_MASK) {
#ifdef HAVE_HOTSWAP
            if (GPIOA_INT_STAT & 0x80)
                microsd_int();
#endif
            if (GPIOB_INT_STAT & 0x10)
                usb_insert_int();
        }
        else if (CPU_HI_INT_STAT & GPIO1_MASK) {
            if (GPIOF_INT_STAT & 0xff)
                button_int();
            if (GPIOH_INT_STAT & 0xc0)
                clickwheel_int();
        }
/* end SANSA_E200 */
#elif defined(SANSA_C200)
        else if (CPU_HI_INT_STAT & GPIO1_MASK) {
            if (GPIOH_INT_STAT & 0x02)
                usb_insert_int();
        }
#ifdef HAVE_HOTSWAP
        else if (CPU_HI_INT_STAT & GPIO2_MASK) {
            if (GPIOL_INT_STAT & 0x08)
                microsd_int();
        }
#endif
/* end SANSA_C200 */
#elif defined(MROBE_100)
        else if (CPU_HI_INT_STAT & GPIO0_MASK) {
            if (GPIOD_INT_STAT & 0x02)
                button_int();
            if (GPIOD_INT_STAT & 0x80)
                headphones_int();

        }
        else if (CPU_HI_INT_STAT & GPIO2_MASK) {
            if (GPIOL_INT_STAT & 0x04)
                usb_insert_int();
        }
/* end MROBE_100 */
#elif defined(PHILIPS_SA9200)
        else if (CPU_HI_INT_STAT & GPIO0_MASK) {
            if (GPIOD_INT_STAT & 0x02)
                button_int();
            if (GPIOB_INT_STAT & 0x40)
                usb_insert_int();
        }
/* end PHILIPS_SA9200 */
#elif defined(PHILIPS_HDD1630) || defined(PHILIPS_HDD6330)
        else if (CPU_HI_INT_STAT & GPIO0_MASK) {
            if (GPIOA_INT_STAT & 0x20)
                button_int();
        }
        else if (CPU_HI_INT_STAT & GPIO1_MASK) {
            if (GPIOE_INT_STAT & 0x04)
                usb_insert_int();
        }
/* end PHILIPS_HDD1630 || PHILIPS_HDD6330 */
#elif defined(SAMSUNG_YH820) || defined(SAMSUNG_YH920) || defined(SAMSUNG_YH925)
        else if (CPU_HI_INT_STAT & GPIO0_MASK) {
            if (GPIOD_INT_STAT & 0x10)
                usb_insert_int();
        }
/* end SAMSUNG_YHxxx */
#elif defined(PBELL_VIBE500)
        else if (CPU_HI_INT_STAT & GPIO0_MASK) {
            if (GPIOA_INT_STAT & 0x20)
                button_int();
        }
        else if (CPU_HI_INT_STAT & GPIO2_MASK) {
            if (GPIOL_INT_STAT & 0x04)
                usb_insert_int();
        }
/* end PBELL_VIBE500 */
#endif
#ifdef IPOD_ACCESSORY_PROTOCOL
        else if (CPU_HI_INT_STAT & SER0_MASK) {
            SERIAL0();
        }
#endif
    } else {
        if (COP_INT_STAT & TIMER2_MASK)
            TIMER2();
    }
}