MODBUS的atmega88的程序。从国外网站下载后，稍加修改而成，使用WINAVR2010和AVRSTuDIO编译，通过修改参数也可用在atmega其他的MCU-MODBUS' s atmega88 procedures. After downloading from abroad, made a little modification, use WINAVR2010 and AVRSTuDIO compiled by modifying the parameters used in