对ARM UART端口的编程，可实现无线信息的收发，程序比较高效，可移植性强-ARM UART port for programming, can achieve a wireless transceiver, information, procedures relatively high efficiency, portability strong

板子通过DTU发送数据，PC通过Socket通信接收数据；无线通信-DTU board by sending data, PC receive data through Socket communication wireless communication