Function _hwtimer_cmd_print_usage

bsp/hc32/tests/test_hwtimer.c:36–43

static rt_bool_t cb_run = RT_FALSE;

static void _hwtimer_cmd_print_usage(void)
{
    rt_kprintf("hwtimer_sample [option1] [option2] [option3]\n");
    rt_kprintf("  option1: [tmra_1/2/3..] tmra uint\n");
    rt_kprintf("  option2: [oneshot/period] timing mode set\n");
    rt_kprintf("  option3: timeout unit:ms\n");
    rt_kprintf("    e.g. MSH >hwtimer_sample tmra_1 period 1000\n");
}

/* 定时器超时回调函数 */
static rt_err_t timeout_cb(rt_device_t dev, rt_size_t size)