上位机vc6.0编程控制西门子GPRS模块实现短信收发，GPRS收发数据，并且此程序可以移植到带有操作系统UCOS-II或LINUX的下位机，框架结构很好，效率很高。-Programming the control PC vc6.0 Siemens GPRS module to send and receive SMS, GPRS to send and receive data, and this process can be transferred to UCOS-II with the o

工业上常用的串口MODBUS协议的模板，是一个框架结构可继续补充-Industry common serial MODBUS protocol template is a frame structure can continue to add