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Modbus 的代码
modbus51.m51
BL51 BANKED LINKER/LOCATER V6.00 08/19/2008 15:20:43 PAGE 1
BL51 BANKED LINKER/LOCATER V6.00, INVOKED BY:
C:\KEIL\C51\BIN\BL51.EXE main.o
main.c
#include "main.h"
/******************************
微控电子 www.mcuc.cn
modbus RTU 的C51程序
单片机89S52
通信波特率 9600 8位数据 1位停止位 偶校验 485通位接口
单片机控制板地址 localAddr(变量)
通信可设置数据的地址：
字地址 0 - 255 (只取16位的低8位)
位地址
modbus51.plg
礦ision3 Build Log
Project:
D:\yezi\C51程序设计代码\modbus51\main.uv2
Project File Date: 06/01/2008
Output:
license.txt
Copyright (C) 2006 Andrzej Sokulski
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Fo
rtu_client.pl
use Win32::SerialPort 0.19;
use XML::Simple;
use crctable;
use strict;
###### Andrzej Sokulski WWW.MODBUS.PL#######
##################### reading configuration from xml file #################
license.txt
License
/***
* Zilog Modbus TCP/IP Server
* Copyright (c), Andrzej Sokulski,
* andrzej@modbus.pl - www.modbus.pl
* All rights reserved.
*
*
* This software is free you can redistribute it a
txd.c
#include "ModBus.h"
//--------公有函数和变量-------
StrTxd xdata sys_txd;
/****************************************/
uint8 lchksum(uint8 data_len); //求LENTH_SUM函数
void txd_sta(void); //发送系统告警信息
modbus.h
#include "reg51.h"
#include "ModBusStr.h"
#define uchar unsigned char
#define uint unsigned int
#define uint8 unsigned char
#define uint16 unsigned int
#define OK 1
#define ERROR 0
#defi