LED闪烁例程

#define BSP_LED1_PIN       GET_PIN(A, 4)
#define BSP_LED2_PIN       GET_PIN(A, 5)
#define BSP_LED3_PIN       GET_PIN(A, 6)

#define BSP_USING_UART2
#define BSP_UART2_TX_PIN       "PA2"
#define BSP_UART2_RX_PIN       "PA3"

int main(void)
{
    int count = 1;

    rt_pin_mode(BSP_LED1_PIN, PIN_MODE_OUTPUT);

    LOG_D("Hello RT-Thread!");

    while (count++)
    {
        rt_thread_mdelay(500);
        rt_pin_write(BSP_LED1_PIN, PIN_LOW);
        rt_thread_mdelay(500);
        rt_pin_write(BSP_LED1_PIN, PIN_HIGH);
    }

    return RT_EOK;
}