C#之MODBUS RTU通信
from程序段
using ModbusRTULib;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO.Ports;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace Modbus通信
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
ModbusRTU objModbus = new ModbusRTU();//创建ModBusd对象
ushort dataType = 0;//数据类型：0 Signed;1 Usigned
/// 布尔数组
private bool[] GetBitArrayFromByte(byte b,bool reverse=false)
{
bool[] array = new bool[8];
if(reverse)
{
for(int i=7;i>=0;i--)
{ //对于byte的每一位进行判定
array[i] = (b & 1) == 1; //判定byte的最后一位是否为1，若位1，则是true，否则是false
b = (byte)(b >> 1); //将byte右移1位
}
}
else
{
for (int i = 0; i <= 7; i++)
{ //对于byte的每一位进行判定
array[i] = (b & 1) == 1;//判定byte的最后一位是否为1，若位1，则是true，否则是false
b = (byte)(b >> 1); //将byte右移1位
}
}
return array;
}
/// 布尔数组
private bool[] GetBitArrayFromByteArray(byte[] b, bool reverse = false)
{
List<bool> result = new List<bool>();
foreach(var item in b)
{
result.AddRange(GetBitArrayFromByte(item, reverse));
}
return result.ToArray();
}
/// 整型数组
private int[] GetIntArrayFromByteArray(byte[] b)
{
List<int> result = new List<int>();
for (int i=0;i<b.Length/2; i++)
{
result.Add(BitConverter.ToInt16(b, 2*i));
}
return result.ToArray();
}
/// ModbusRTULib的DLL文件代码
using System;
using System.Collections.Generic;
using System.IO;
using System.IO.Ports;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
namespace ModbusRTULib
{
public class ModbusRTU
{
#region Field
private SerialPort MyCom;//创建串口对象
#endregion
#region Property
//超时时间
public int RcvTimeOut { get; set; } = 2000;
//连接状态
public bool ConnectState { get; set; } = false;
#endregion
#region Methods
///