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Modbus 的代码
主文件main.txt
主文件main.c
#include "ModBus.h"
void main(void)
{
init_serial();
init_proc_rxd();
while(1)
{
process_rxd();
}
}
头文件modbus.txt
头文件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
#defi
modbus.lst
C51 COMPILER V7.06 MODBUS 03/16/2005 16:48:06 PAGE 1
C51 COMPILER V7.06, COMPILATION OF MODULE MODBUS
OBJECT MODULE PLACED IN
modbus.lst
C51 COMPILER V7.06 MODBUS 03/16/2005 16:48:06 PAGE 1
C51 COMPILER V7.06, COMPILATION OF MODULE MODBUS
OBJECT MODULE PLACED IN
modscan32.cnt
:Base ModScan32.hlp
1 MODBUS Reference
2 Protocol=modbus_protocol
2 Messages=modbus_cmds
2 Error Detection=modbus_err
2 Exception Responses=modbus_exceptions
1 ModScan Overview
2 Operation=mods
scanguide.txt
1. ModScan Overview
1.1 Document/View Architecture
1.2 Modbus Data Definition
1.3 Display Formats
1.4 Connecting to a Modbus Network
1.4.1 Direct Serial Connections
1.4.2 Modem Connect
modscan32.cnt
:Base ModScan32.hlp
1 MODBUS Reference
2 Protocol=modbus_protocol
2 Messages=modbus_cmds
2 Error Detection=modbus_err
2 Exception Responses=modbus_exceptions
1 ModScan Overview
2 Operation=mods
modbus.c
//第一步成功，可以通讯，记住：P1.3 为0输出485，为1输入485
//拨特率正确，中断正确
//串口1为仪表串口，串口2为实际MODBUS串口
//模拟量地址范围0000----0008 共8个数据，长度按前后减
#include
#define modbus_delay 10000 //读继电器
#def
modbus.cpp
#include "modbus.h"
//#include "extern.h"
#define READ_DI 0x02
#define READWORD 0x03
#define READ_AI 0x04
#define SET_COIL 0x05
void CModbus::send_yxyc()
{
INT16U temp;
askb
scanguide.txt
1. ModScan Overview
1.1 Document/View Architecture
1.2 Modbus Data Definition
1.3 Display Formats
1.4 Connecting to a Modbus Network
1.4.1 Direct Serial Connections
1.4.2 Modem Connect