AVR单片机mobus程序，编译环境AVR GCC，文档完整，能直接应用。-Mobus single chip microcomputer AVR program, compile environment AVR GCC, document complete, can direct application.

使用AVRstdio编译环境，GCC编译器，实现AVR的modbus协议的接受数据功能。-Use AVRstdio compile environment, GCC compiler, realize the AVR modbus agreement to accept data function.