Function timeout_cb

bsp/hc32/tests/test_hwtimer.c:46–56

定时器超时回调函数 */

/* 定时器超时回调函数 */
static rt_err_t timeout_cb(rt_device_t dev, rt_size_t size)
{
    static rt_uint8_t pin_cnt = 0;
    rt_pin_write(TIMEOUT_TEST_PIN, ++pin_cnt % 2);   /* 电平取反 */
    /* 打印出的tick值由于printf原因可能有误差，可以查看测试IO来精确确认时间 */
    rt_kprintf("callback successful! ticks = %d \n", rt_tick_get() - tick);
    tick = rt_tick_get();
    cb_run = RT_TRUE;

    return 0;
}

static int hwtimer_sample(int argc, char *argv[])
{