Function rt_bypass_lower_unregister

components/drivers/serial/bypass.c:310–315

}

rt_err_t rt_bypass_lower_unregister(struct rt_serial_device* serial, rt_uint8_t level)
{
    if (!serial->bypass || !serial->bypass->lower_h)
        return -RT_ERROR;
    return rt_bypass_unregister(serial->bypass->lower_h, level);
}

int serial_bypass_list(int argc, char** argv)
{