短消息PDU模式组包程序，用C51写得，绝对原创

利用c51实现西门子tc35i串口通信，能够实现单片机控制短信收发-Siemens c51 achieve tc35i use serial communications, to achieve single-chip transceiver control messages

通过对串口的初始化，发AT指令激活GPRS模块，实现对gprs的初始化。实现了简单的收发短信功能。-Through the serial port initialization, hair AT command to activate GPRS module enables the gprs initialization. To achieve a simple send and receive text messages.

SMS Gateway fo c51 you can learn from this code