temp.lst

这是基本的485通讯实例希望对大家有用。C语言编写用户可根据自己的情况修改相应的传输速率。

C51 COMPILER V7.09 - SN: Eval Version
COPYRIGHT KEIL ELEKTRONIK GmbH 1987 - 2004
*** WARNING C275 IN LINE 29 OF F:\子程序\M48多~1\KEY.C: expression with possibly no effect
*** WARNING C280 IN LINE 16 OF F:\子程序\M48多~1\KEY.C: 'j': unreferenced local variable
*** WARNING C280 IN LINE 17 OF F:\子程序\M48多~1\KEY.C: 'hongwai': unreferenced local variable
C51 COMPILATION COMPLETE.  3 WARNING(S),  0 ERROR(S)