实例介绍
【实例截图】
【核心代码】
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.IO.Ports;
using System.Threading;
using System.Net;
using System.Net.Sockets;
using System.Text.RegularExpressions;
namespace COMTool
{
public partial class SetCOMtool : Form
{
public int PortNum;
public int BaudRate;
public byte ByteSize;
public byte BParity; // 0-4=no,odd,even,mark,space
/*
* 1. even 每个字节传送整个过程中bit为1的个数是偶数个（校验位调整个数）
* 2. odd 每个字节穿送整个过程中bit为1的个数是奇数个（校验位调整个数）
* 3. noparity没有校验位
* 4. space 校验位总为0
* 5. mark 校验位总为1*/
public byte BStopBits; // 0,1,2 = 1, 1.5, 2
public int ReadTimeout;
bool BPortSet = true, BIpSet = false, BPortSetMode = false, BIpSetMode = false,BPortSetRead = false, BIpSetRead = false;
public SetCOMtool()
{
InitializeComponent();
//信息显示
this.lMessage.Columns.Add("状态信息");
this.lMessage.Columns[0].Width = 200;
this.lMessage.View = System.Windows.Forms.View.Details;
this.lMessage.BeginUpdate(); //数据更新，UI暂时挂起，直到EndUpdate绘制控件，可以有效避免闪烁并大大提高加载速度
this.lMessage.Items.Add("软件启动");
this.lMessage.EnsureVisible(this.lMessage.Items.Count - 1);
this.lMessage.EndUpdate(); //结束数据处理，UI界面一次性绘制。
//委托
serialPort1.DataReceived = new SerialDataReceivedEventHandler(serialPort_DataReceived);
//获取端口 初始化下拉列表
}
private void Form1_Load(object sender, EventArgs e)
{
List<string> LBaudRate = new List<string>();//300、600、1200、2400、4800、9600、19200、38400、43000、56000、57600、115200
LBaudRate.Add("1200");
LBaudRate.Add("2400");
LBaudRate.Add("4800");
LBaudRate.Add("9600");
LBaudRate.Add("14400");
LBaudRate.Add("19200");
LBaudRate.Add("38400");
LBaudRate.Add("57600");
LBaudRate.Add("115200");
cBaudRate.DataSource = LBaudRate;
List<string> LParity = new List<string>();
LParity.Add("None");
LParity.Add("Odd");
LParity.Add("Even");
// LParity.Add("Mark");
// LParity.Add("Space");
cParity.DataSource = LParity;
List<string> LDataBits = new List<string>();
LDataBits.Add("7");
LDataBits.Add("8");
LDataBits.Clear();
LDataBits.Add("8");
LDataBits.Add("7");
cDataBits.DataSource = LDataBits;
List<string> LStopBits = new List<string>();
LStopBits.Add("1");
LStopBits.Add("2");
// LStopBits.Add("1.5");
cStopBits.DataSource = LStopBits;
List<string> LString = new List<string>();
LString.Add("兼容远程配置");
LString.Add("不兼容远程配置");
LString.Clear();
LString.Add("TCP");
LString.Add("UDP");
LString.Clear();
string[] str = System.IO.Ports.SerialPort.GetPortNames();
if (str.Length == 0)
{
MessageBox.Show("未找到本机串口", "提示");
return;
}
cPortName.Items.AddRange(System.IO.Ports.SerialPort.GetPortNames());
cPortName.SelectedIndex = 0;
}
private void BOpenPort_Click(object sender, EventArgs e)
{
if (BOpenPort.Text == "打开串口")
{
if (OpenPort())
{
BOpenPort.Text = "关闭串口";
cPortName.Enabled = false;
cParity.Enabled = false;
cBaudRate.Enabled = false;
cDataBits.Enabled = false;
cStopBits.Enabled = false;
SetMessage("打开串口！");
if (!BPortSetRead&BPortSet)
{
BPortSetRead = true;
gen_read(0xFE,0x03, 0x00,0x1A,8);
}
else if (!BIpSetRead & BIpSet)
{
BIpSetRead = true;
gen_read(0xFE, 0x03, 0x1B, 0xD1, 8);
}
}
else
{
MessageBox.Show("串口打开失败！", "提示");
SetMessage("串口打开失败！");
}
}
else
{
try
{
serialPort1.Close();
BOpenPort.Text = "打开串口";
cPortName.Enabled = true;
cParity.Enabled = true;
cBaudRate.Enabled = true;
cDataBits.Enabled = true;
cStopBits.Enabled = true;
BPortSetRead = false;
BIpSetRead = false;
SetMessage("关闭串口！");
}
catch (Exception err)
{
MessageBox.Show("串口无法关闭！", "提示");
}
}
}
//数据接收使用的代理
private delegate void myDelegate(byte[] readBuffer);
//显示接收的数据
private void SetText(byte[] readBuffer)
{
//将byte 转换成string 用于显示
string readstr = string.Empty;
if (readBuffer != null)
{
ushort crc = CRC16(readBuffer, 0, readBuffer.Length - 3);
if (readBuffer[readBuffer.Length - 2] == WORD_HI(crc) && readBuffer[readBuffer.Length - 1] == WORD_LO(crc))//crc校验
{
SetMessage("reve: " ToHexString(readBuffer));
// serialPort1.Write(readstr);
}
else
{
SetMessage("CRC校验错误: " readstr);
return;
}
if (BPortSetMode && readBuffer.Length<30)//设置设备参数
{ }
else if (BIpSetMode)//设置网络参数
{ }
}
}
void serialPort_DataReceived(object sender, SerialDataReceivedEventArgs e)
{
myDelegate md = new myDelegate(SetText);
try
{
if (serialPort1.IsOpen == true)
{
int count = serialPort1.BytesToRead;
if (count > 0)
{
byte[] readBuffer = new byte[count];
serialPort1.Read(readBuffer, 0, count);//读取串口数据
// serialPort1.Write(readBuffer, 0, count);
Invoke(md, readBuffer);
}
}
}
catch (Exception err)
{
throw err;
}
}
private void SetMessage(string SMessage)
{
this.lMessage.BeginUpdate(); //数据更新，UI暂时挂起，直到EndUpdate绘制控件，可以有效避免闪烁并大大提高加载速度
this.lMessage.Items.Add(SMessage);
this.lMessage.EnsureVisible(this.lMessage.Items.Count - 1);
this.lMessage.EndUpdate(); //结束数据处理，UI界面一次性绘制。
}
private bool OpenPort()
{
serialPort1.PortName = cPortName.Text;
//波特率
serialPort1.BaudRate = Convert.ToInt32(cBaudRate.Text);
//奇偶
switch (cParity.SelectedIndex)
{
case 0: serialPort1.Parity = Parity.None; break;
case 1: serialPort1.Parity = Parity.Odd; break;
case 2: serialPort1.Parity = Parity.Even; break;
case 3: serialPort1.Parity = Parity.Mark; break;
case 4: serialPort1.Parity = Parity.Space; break;
default: serialPort1.Parity = Parity.None; break;
}
//数据位
serialPort1.DataBits = Convert.ToInt32(cDataBits.Text);
//停止位
switch (cStopBits.SelectedIndex)
{
case 0: serialPort1.StopBits = StopBits.One; break;
case 1: serialPort1.StopBits = StopBits.Two; break;
case 2: serialPort1.StopBits = StopBits.OnePointFive; break;
default: serialPort1.StopBits = StopBits.None; break;
}
try
{
serialPort1.Open();
if (serialPort1.IsOpen)
{
return true;
}
else
{
return false;
}
}
catch (Exception err)
{
// MessageBox.Show(err.ToString(), "提示");
return false;
}
}
/*生成读数据命令, 返回命令长度*/
int gen_read(byte mdaddr, byte R_CMD,
ushort min_reg,
ushort data_len,
int R_CMD_LEN)
{
// R_CMD //读取数据命令字
// R_CMD_LEN = 8; //命令长度
ushort crc;
byte[] desc =new byte[8];
// 查询命令格式
// 站点号（1 byte）命令字（1 byte）开始寄存器地址（2 byte）查询长度（2 byte）CRC（2 byte）
//设置模块号
desc[0] = mdaddr;
//设置命令字
desc[1] = R_CMD;
//设置开始寄存器
desc[2] = WORD_HI(min_reg);
desc[3] = WORD_LO(min_reg);
//设置数据长度
desc[4] = WORD_HI(data_len);
desc[5] = WORD_LO(data_len);
//设置 CRC
crc = CRC16(desc, 0, R_CMD_LEN-3);
desc[6] = WORD_HI(crc);
desc[7] = WORD_LO(crc);
serialPort1.Write(desc, 0, 8);
SetMessage("send: " ToHexString(desc));
return R_CMD_LEN;
}
#region
private static readonly byte[] _auchCRCHi = new byte[]//crc高位表
{
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0,
0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0,
0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1,
0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1,
0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0,
0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40,
0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1,
0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0,
0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40,
0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0,
0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0,
0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0,
0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0,
0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40,
0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1,
0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0,
0x80, 0x41, 0x00, 0xC1, 0x81, 0x40
};
private static readonly byte[] _auchCRCLo = new byte[]//crc低位表
{
0x00, 0xC0, 0xC1, 0x01, 0xC3, 0x03, 0x02, 0xC2, 0xC6, 0x06,
0x07, 0xC7, 0x05, 0xC5, 0xC4, 0x04, 0xCC, 0x0C, 0x0D, 0xCD,
0x0F, 0xCF, 0xCE, 0x0E, 0x0A, 0xCA, 0xCB, 0x0B, 0xC9, 0x09,
0x08, 0xC8, 0xD8, 0x18, 0x19, 0xD9, 0x1B, 0xDB, 0xDA, 0x1A,
0x1E, 0xDE, 0xDF, 0x1F, 0xDD, 0x1D, 0x1C, 0xDC, 0x14, 0xD4,
0xD5, 0x15, 0xD7, 0x17, 0x16, 0xD6, 0xD2, 0x12, 0x13, 0xD3,
0x11, 0xD1, 0xD0, 0x10, 0xF0, 0x30, 0x31, 0xF1, 0x33, 0xF3,
0xF2, 0x32, 0x36, 0xF6, 0xF7, 0x37, 0xF5, 0x35, 0x34, 0xF4,
0x3C, 0xFC, 0xFD, 0x3D, 0xFF, 0x3F, 0x3E, 0xFE, 0xFA, 0x3A,
0x3B, 0xFB, 0x39, 0xF9, 0xF8, 0x38, 0x28, 0xE8, 0xE9, 0x29,
0xEB, 0x2B, 0x2A, 0xEA, 0xEE, 0x2E, 0x2F, 0xEF, 0x2D, 0xED,
0xEC, 0x2C, 0xE4, 0x24, 0x25, 0xE5, 0x27, 0xE7, 0xE6, 0x26,
0x22, 0xE2, 0xE3, 0x23, 0xE1, 0x21, 0x20, 0xE0, 0xA0, 0x60,
0x61, 0xA1, 0x63, 0xA3, 0xA2, 0x62, 0x66, 0xA6, 0xA7, 0x67,
0xA5, 0x65, 0x64, 0xA4, 0x6C, 0xAC, 0xAD, 0x6D, 0xAF, 0x6F,
0x6E, 0xAE, 0xAA, 0x6A, 0x6B, 0xAB, 0x69, 0xA9, 0xA8, 0x68,
0x78, 0xB8, 0xB9, 0x79, 0xBB, 0x7B, 0x7A, 0xBA, 0xBE, 0x7E,
0x7F, 0xBF, 0x7D, 0xBD, 0xBC, 0x7C, 0xB4, 0x74, 0x75, 0xB5,
0x77, 0xB7, 0xB6, 0x76, 0x72, 0xB2, 0xB3, 0x73, 0xB1, 0x71,
0x70, 0xB0, 0x50, 0x90, 0x91, 0x51, 0x93, 0x53, 0x52, 0x92,
0x96, 0x56, 0x57, 0x97, 0x55, 0x95, 0x94, 0x54, 0x9C, 0x5C,
0x5D, 0x9D, 0x5F, 0x9F, 0x9E, 0x5E, 0x5A, 0x9A, 0x9B, 0x5B,
0x99, 0x59, 0x58, 0x98, 0x88, 0x48, 0x49, 0x89, 0x4B, 0x8B,
0x8A, 0x4A, 0x4E, 0x8E, 0x8F, 0x4F, 0x8D, 0x4D, 0x4C, 0x8C,
0x44, 0x84, 0x85, 0x45, 0x87, 0x47, 0x46, 0x86, 0x82, 0x42,
0x43, 0x83, 0x41, 0x81, 0x80, 0x40
};
#endregion
public static ushort CRC16(Byte[] buffer, int Sset, int Eset)
{
byte crcHi = 0xff; // 高位初始化
byte crcLo = 0xff; // 低位初始化
for (int i = Sset; i <=Eset ; i )
{
int crcIndex = crcHi ^ buffer[i]; //查找crc表值
crcHi = (byte)(crcLo ^ _auchCRCHi[crcIndex]);
crcLo = _auchCRCLo[crcIndex];
}
return (ushort)(crcHi << 8 | crcLo);
}
//取Word变量的高位字节、低位字节
public static byte WORD_LO(ushort crcCLo)
{
crcCLo=(ushort)(crcCLo & 0X00FF);
return (byte)crcCLo;
}
public static byte WORD_HI(ushort crcHI)
{
crcHI=(ushort)(crcHI>> 8& 0X00FF);
return (byte) crcHI;
}
//取DWord变量的高位字节、低位字节的宏
public static ushort DWORD_LO(ushort crcCLo)
{
crcCLo=(ushort)(crcCLo & 0X0000FFFF);
return crcCLo;
}
public static ushort DWORD_HI(ushort crcHI)
{
crcHI=(ushort)(crcHI>> 16& 0X0000FFFF);
return crcHI;
}
//判断是否是BCD码
public static bool IS_BCD(byte BCD)
{
return ((((( int)(BCD) & 0x000f) < 0x000a) && (((int)(BCD) & 0x00f0) < 0x00a0)) ? true : false);
}
//取一个字节的低位BCD码字符
public static char BCD_LO(int bcd)
{
char bcdCLo=(char)((int)(bcd) & 0X000F 0x30);
return bcdCLo;
}
//取一个字节的高位BCD码字符
public static char BCD_HI(int bcd)
{
char bcdHI=(char)((int)(bcd) >> 4& 0X000F 0x30);
return bcdHI;
}
public static string ToHexString(byte[] bytes) // 0xae00cf => "AE00CF "
{
string hexString = string.Empty;
if (bytes != null)
{
StringBuilder strB = new StringBuilder();
for (int i = 0; i < bytes.Length; i )
{
strB.Append(bytes[i].ToString("X2"));
}
hexString = strB.ToString();
} return hexString;
}
/// <summary>
private void tabIpSet_Enter(object sender, EventArgs e)
{
BPortSet = false;
BIpSet = true;
if(serialPort1.IsOpen)
{
if (!BIpSetRead)
{
BIpSetRead = true;
gen_read(0xFE, 0x03, 0x1B, 0xD1, 8);//读取网络设置参数
}
}
}
private void tabPortSet_Enter(object sender, EventArgs e)
{
BIpSet = false;
BPortSet = true;
if (serialPort1.IsOpen)
{
if (!BPortSetRead)
{
BPortSetRead = true;
gen_read(0xFE, 0x03, 0x00, 0x1A, 8);//读取串口设置参数
}
}
}
private void bReadParam_Click(object sender, EventArgs e)
{
if (serialPort1.IsOpen)
{
if (BPortSet)
{
gen_read(0xFE, 0x03, 0x00, 0x1A, 8);//读取串口设置参数
}
else if (BIpSet)
{
gen_read(0xFE, 0x03, 0x1B, 0xD1, 8);//读取网络设置参数
}
}
}
}
}
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