单片机短信收发源代码，支持单片机通过RS232串口，运用ＧＳＭ模块进行短信息的收发-SCM messaging source code, support for MCU through RS232 serial port, using GSM module to send and receive text messages

串口发射和接收的驱动源代码，可以用rs232的驱动源代码-Send and receive the driver source code, serial rs232 driver source code can be used

C#控制短信猫的源码，测试通过，目前正在公司使用，主要用于各种系统的Alarm短信通知以及短信提醒.(c# source code for conmunication between RS232 and Windows.)