This the software which will help to communication between computer and 485 slave-This is the software which will help to communication between computer and 485 slave

基于freeModbus架构，加入事件驱动机制，用于51单片机的485通信协议框架-Based architecture of freeModbus to join the event-driven mechanism for the 51 single-chip 485 communications protocol framework

ucos-ii的freemodbus移植串口3 485(Freemodbus porting serial port 3485 of uCOS-II)