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Modbus 的代码
modbus_rtu.h
#ifndef MODBUS_H__
#define MODBUS_H__
//串口通讯设置相关参数
//-----------------function--------------------------
extern void uart_timer_set(void);
extern void uart_send(unsigned ch
modbus_rtu.c
//#include ".\STC89c5x.H"
#include".\Globle.h"
#include
#include".\Uart_tls.h"
#include".\Function.h"
#include
uchar gvc_tmp;
uchar gvc_timer_flg;
uchar gvc_num_tmp;
uc
modbus_rtu.h
#ifndef MODBUS_H__
#define MODBUS_H__
//串口通讯设置相关参数
//-----------------function--------------------------
extern void uart_timer_set(void);
extern void uart_send(unsigned ch
modbus.c.txt
/*CRC校验码计算参考程序
CRC码的计算方法如下 CRC码的计算方法如下:
1.预置1个16位的寄存器(下称CRC寄存器),初试化其内容为十六进制数0xFFFF;
2.把第一个待计算的数据即通讯信息帧的首字节与CRC寄存器的低8位相异或,把结果放回CRC寄存器;
3.把CRC寄存器的内容右移一位用0填补最高位即进行逻辑移位处理并检查右移后的移出位;
4.如果移出位为0重复第3步即再次 ...
vb-modbus.txt
Option Explicit
Private Text1text As String
Private RTUCRC As String
'串口选择
Private Sub Combo1_Click()
MSComm1.CommPort = Combo1.ListIndex + 1
End Sub
'数据位改变
Private Sub Combo2_Cl
modbus51.hex
:03000000020426D1
:0C04260078FFE4F6D8FD75815C02046DDF
:0300230002059D36
:10059D00C0E0C0D0E8C0E0309924C299E516C395FB
:1005AD001550100516744B2516F8E6A2D0929BF542
:1005BD00998032C293751400785B760080
modbus51.plg
礦ision2 Build Log
Project:
E:\我的网页\mcuc\download\modbus51\main.uv2
Project File Date: 03/16/2005
Output:
modbus_tcp.c
/******************************************************************************
*
* Copyright (c) 2008 Shanghai IS Software
*
* All rights reserved
*
* $Revision$
*
* $LastChangedBy$