21 /* RT-Thread Device Interface */
228         /* suspend device */  in rt_serial_control()
233         /* resume device */  in rt_serial_control()
244 rt_err_t rt_hw_serial_register(rt_device_t device, const char* name, rt_uint32_t flag, struct seria…  in rt_hw_serial_register()  argument
246     RT_ASSERT(device != RT_NULL);  in rt_hw_serial_register()
248     device->type        = RT_Device_Class_Char;  in rt_hw_serial_register()
249     device->rx_indicate = RT_NULL;  in rt_hw_serial_register()
250     device->tx_complete = RT_NULL;  in rt_hw_serial_register()
251     device->init        = rt_serial_init;  in rt_hw_serial_register()
252     device->open        = rt_serial_open;  in rt_hw_serial_register()
253     device->close       = rt_serial_close;  in rt_hw_serial_register()
254     device->read        = rt_serial_read;  in rt_hw_serial_register()
255     device->write       = rt_serial_write;  in rt_hw_serial_register()
256     device->control     = rt_serial_control;  in rt_hw_serial_register()
257     device->user_data   = serial;  in rt_hw_serial_register()
259     /* register a character device */  in rt_hw_serial_register()
260     return rt_device_register(device, name, RT_DEVICE_FLAG_RDWR | flag);  in rt_hw_serial_register()
264 void rt_hw_serial_isr(rt_device_t device)  in rt_hw_serial_isr()  argument
266     struct serial_device* uart = (struct serial_device*) device->user_data;  in rt_hw_serial_isr()
269     RT_ASSERT(device->flag & RT_DEVICE_FLAG_INT_RX);  in rt_hw_serial_isr()
278     if (device->rx_indicate != RT_NULL)  in rt_hw_serial_isr()
287         device->rx_indicate(device, rx_length);  in rt_hw_serial_isr()