rt 1052 触摸屏 INT 中断

__RT1052_PIN(123, GPIO3, 16),    /* GPIO_SD_B0_04 */
    __RT1052_PIN(124, GPIO3, 17),    /* GPIO_SD_B0_05 */
#define TP_INT_PIN        123        /* GPIO_SD_B0_04 */
#define TP_RST_PIN        124        /* GPIO_SD_B0_05 */
static void tsc2007_init(struct rt_i2c_bus_device *i2c_bus)
{
      rt_thread_delay(RT_TICK_PER_SECOND);
      //RST
      rt_pin_mode(TP_RST_PIN, PIN_MODE_OUTPUT);
      rt_thread_delay(100);
        rt_pin_write(TP_RST_PIN, PIN_LOW);
        rt_thread_delay(100);
        rt_pin_write(TP_RST_PIN, PIN_HIGH);
        rt_thread_delay(100);
      //INT
    tsc2007_driver.isr_sem = rt_sem_create("tsc2007", 0, RT_IPC_FLAG_FIFO);
    RT_ASSERT(tsc2007_driver.isr_sem);
    rt_pin_attach_irq(TP_INT_PIN, PIN_IRQ_MODE_RISING, tsc2007_touch_isr, &tsc2007_driver);//PIN_IRQ_MODE_FALLING
    rt_pin_irq_enable(TP_INT_PIN, PIN_IRQ_ENABLE);
    rt_thread_delay(RT_TICK_PER_SECOND / 5);
}