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RS485总线C程序，单片机控制，主机带分机。#include#defineucharunsignedchar#definebyteunsignedchar#defineBYTEunsignedchar#defineuintunsignedint#definewordunsignedint#defi

RS485测控模块，非常实用。#include #define uint unsigned int #define uchar unsigned char #define Tim 65536-50000 sbit DAT0 =P2^2; sbit DAT1 =P2^3; sbit DICS =P2^