smgp协议的小灵通短信数据包 适合SP端程序的开发-PHS smgp agreement message packet suitable for the development of SP-side procedures

电力系统串口通信测试工具，通过指定通讯数据包中的关键字自动组成通讯数据包，在根据需要通过指定的串口发送-Serial communication tool for power system testing, communication of data packets by specifying the keyword automatic composition of communication packets, in accordance with the specified serial po