串口发送数据类

最新推荐文章于 2025-02-10 19:32:12 发布

palm_java

最新推荐文章于 2025-02-10 19:32:12 发布

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分类专栏：串口LED发送数据文章标签： byte hex string c 2010 测试

本文链接：https://blog.youkuaiyun.com/palm_java/article/details/2321668

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该博客主要介绍了如何通过C#实现串口通信，包括设置串口参数、发送和接收数据。具体涉及到将字符串转换为16进制字节，然后以特定格式组合并发送，同时提供了发送不同数据类型（如字符串、指定格式的数据包）的方法。

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using System;

using System.Collections.Generic;

using System.Text;

using System.IO.Ports;

using System.ComponentModel;

namespace StringToLed

{

class stringtoLed

{

private System.IO.Ports.SerialPort serialPort1 = new SerialPort();

public void write(string senStr)

{

string headStr = "23 14 24 15 13 18 58 58 58 58 58 58 44 01 01 00 01 01 02 04";

string footStr = "0A 2C 0E 16 04 02 08 6F";

string midStr = "";

string myStr = string.Empty;

// " 23 14 24 15 13 18 58 58 58 58 58 58 44 01 01 00 01 01 02 04C4 E3 BA C3 B0 A1 A3 A10A 2C 0E 16 04 02 08 6F";

midStr = BitConverter.ToString(ASCIIEncoding.Default.GetBytes(senStr.Trim())).Replace("-", " ");

//midStr = "C4 E3 BA C3 B0 A1 A3 A1";

myStr = headStr.Trim() + " "+midStr.Trim()+" "+ footStr.Trim();

serialPort1.PortName = "COM1"; //端口号

serialPort1.BaudRate = 9600; //比特率

serialPort1.Parity = Parity.None;//奇偶校验

serialPort1.StopBits = StopBits.One;//停止位

serialPort1.ReadTimeout = 1000; //读超时，即在1000内未读到数据就引起超时异常

serialPort1.Open();

byte[] myByte = StringToByte(myStr.Trim());

serialPort1.Write(myByte, 0, myByte.Length);

serialPort1.Close();

// MessageBox.Show("数据发送成功！", "系统提示");

}

/// <summary>

/// 默认发送：左推，速度1，停留0

/// </summary>

/// <param name="sendStr">发送得数据</param>

public void writeCom(string sendStr)

{

string headStr = "23 14 24 15 13 18 58 58 58 58 58 58 44 01 01 0F 01 01 02";

string footStr = "0A 2C 0E 16 04 02 08";

string midStr = string.Empty;

string myStr = string.Empty;

string last = string.Empty;

string sentLenth = sendStr.Length.ToString("X");

if (sentLenth.Length<2)

{

sentLenth ="0"+sentLenth;

}

headStr +=" "+sentLenth;//第一部分

midStr = BitConverter.ToString(ASCIIEncoding.Default.GetBytes(sendStr.Trim())).Replace("-", " ");

string HexStr = "44 01 01 0F 01 01 02"+" "+sentLenth+ " " + midStr + " " + footStr;

last = getLast(HexStr);

//最终发送字节

myStr = headStr.Trim() + " " + midStr.Trim() + " " + footStr.Trim()+" "+last;

serialPort1.PortName = "COM1"; //端口号

serialPort1.BaudRate = 9600; //比特率

serialPort1.Parity = Parity.None;//奇偶校验

serialPort1.StopBits = StopBits.One;//停止位

serialPort1.ReadTimeout = 1000; //读超时，即在1000内未读到数据就引起超时异常

serialPort1.Open();

byte[] myByte = StringToByte(myStr.Trim());

serialPort1.Write(myByte, 0, myByte.Length);

serialPort1.Close();

}

/// <summary>

/// 测试

/// </summary>

/// <param name="type"></param>

/// <param name="speed"></param>

/// <param name="time"></param>

/// <param name="count"></param>

/// <returns></returns>

private static string gettype(int type, int speed, int time, int count)

{

//出场方式

string typeStr = "44 01 01 00 01 01 02";

switch (type)

{

case 0:

typeStr = "44 00 01 00 01 01 02";

break;

case 1:

typeStr = "44 01 01 01 01 01 02";

break;

case 2:

typeStr = "44 02 01 02 01 01 02";

break;

case 3:

typeStr = "44 03 01 03 01 01 02";

break;

case 4:

typeStr = "44 04 01 04 01 01 02";

break;

case 5:

typeStr = "44 05 01 05 01 01 02";

break;

case 6:

typeStr = "44 06 01 06 01 01 02";

break;

case 7:

typeStr = "44 07 01 07 01 01 02";

break;

default:

typeStr = "44 01 01 00 01 01 02";

break;

}

return typeStr;

}

private static string get_head(int type, int speed, int time, int count)

{

// string headStr="44 01 01 00 01 01 02";

string typeStr = " 01";

string speedStr = " 01";

string timeStr = " 00";

string countStr=" 01";

string headStr ="44"+typeStr+speedStr+timeStr+countStr+" 01 02";

//出场方式

switch (type)

{

case 0:

typeStr = " 00";

break;

case 1:

typeStr = " 01";

break;

case 2:

typeStr = " 02";

break;

case 3:

typeStr = " 03";

break;

case 4:

typeStr = " 04";

break;

case 5:

typeStr = " 05";

break;

case 6:

typeStr = " 06";

break;

case 7:

typeStr = " 07";

break;

default:

typeStr =" 01";

break;

}

//移动速度

switch (speed)

{

case 1:

speedStr = " 01";

break;

case 2:

speedStr = " 02";

break;

case 3:

speedStr = " 03";

break;

case 4:

speedStr = " 04";

break;

case 5:

speedStr = " 05";

break;

case 6:

speedStr = " 06";

break;

case 7:

speedStr = " 07";

break;

case 8:

speedStr = " 08";

break;

case 9:

speedStr = " 09";

break;

case 10:

speedStr = " 0A";

break;

case 11:

speedStr = " 0B";

break;

case 12:

speedStr = " 0C";

break;

case 13:

speedStr = " 0D";

break;

case 14:

speedStr = " 0E";

break;

case 15:

speedStr = " 0F";

break;

default:

speedStr = " 01";

break;

}

//停留时间

switch (time)

{

case 1:

timeStr = " 01";

break;

case 2:

timeStr = " 02";

break;

case 3:

timeStr = " 03";

break;

case 4:

timeStr = " 04";

break;

case 5:

timeStr = " 05";

break;

case 6:

timeStr = " 06";

break;

case 7:

timeStr = " 07";

break;

case 8:

timeStr = " 08";

break;

case 9:

timeStr = " 09";

break;

case 10:

timeStr = " 0A";

break;

case 11:

timeStr = " 0B";

break;

case 12:

timeStr = " 0C";

break;

case 13:

timeStr = " 0D";

break;

case 14:

timeStr = " 0E";

break;

case 15:

timeStr = " 0F";

break;

default:

timeStr = " 01";

break;

}

headStr ="44"+typeStr+speedStr+timeStr+countStr+" 01 02";

return headStr;

}

/// <summary>

/// 发送数据含（方式）

/// </summary>

/// <param name="sendStr">发送的字符串，注意前后不得有空格</param>

/// <param name="type">出场方式</param>

/// <param name="speed">移动速度</param>

/// <param name="time">停留时间</param>

public void writeCom_type(string sendStr,int type, int speed, int time)

{

string headStr = "23 14 24 15 13 18 58 58 58 58 58 58";

string typeStr = get_head(type, speed, time, 0);

string footStr = "0A 2C 0E 16 04 02 08";

string midStr = string.Empty;

string myStr = string.Empty;

string last = string.Empty;

string sentLenth = sendStr.Length.ToString("X");

if (sentLenth.Length < 2)

{

sentLenth = "0" + sentLenth;

}

//最终headstr值

headStr=headStr+" "+typeStr+" " + sentLenth;//第一部分

midStr = BitConverter.ToString(ASCIIEncoding.Default.GetBytes(sendStr.Trim())).Replace("-", " ");

string HexStr = typeStr + " " + sentLenth + " " + midStr + " " + footStr;

last = getLast(HexStr);

//最终发送字节

myStr = headStr.Trim() + " " + midStr.Trim() + " " + footStr.Trim() + " " + last;

serialPort1.PortName = "COM1"; //端口号

serialPort1.BaudRate = 9600; //比特率

serialPort1.Parity = Parity.None;//奇偶校验

serialPort1.StopBits = StopBits.One;//停止位

serialPort1.ReadTimeout = 1000; //读超时，即在1000内未读到数据就引起超时异常

serialPort1.Open();

byte[] myByte = StringToByte(myStr.Trim());

serialPort1.Write(myByte, 0, myByte.Length);

serialPort1.Close();

}

/// <summary>

/// 字符数组转字符串16进制

/// </summary>

/// <param name="InBytes"></param>

/// <returns>类似"01 02 0F"</returns>

private static string ByteToString(byte[] InBytes)

{

string StringOut = "";

foreach (byte InByte in InBytes)

{

StringOut = StringOut + String.Format("{0:X2}", InByte) + " ";

}

return StringOut.Trim();

}

/// <summary>

/// strhex 转字节数组

/// </summary>

/// <param name="InString">类似"01 02 0F"</param>

/// <returns></returns>

private static byte[] StringToByte(string InString)

{

string[] ByteStrings;

ByteStrings = InString.Split(" ".ToCharArray());

byte[] ByteOut;

ByteOut = new byte[ByteStrings.Length];

for (int i = 0; i <= ByteStrings.Length - 1; i++)

{

ByteOut[i] = byte.Parse(ByteStrings[i], System.Globalization.NumberStyles.HexNumber);

}

return ByteOut;

}

/// <summary>

/// 计算最后一个字节

/// </summary>

/// <param name="hexString">类似"01 02 0F"</param>

/// <returns>十六进制和去除高位溢出</returns>

private static string getLast(string hexString)

{

string hexValues = "44 01 01 00 01 04 C4 E3 BA C3 B0 A1 A3 A1 26 39 0E 16 04 02 08";

string[] hexValuesSplit = hexString.Split(' ');

int temp = 0;

foreach (String hex in hexValuesSplit)

{

// Convert the number expressed in base-16 to an integer.

int value = Convert.ToInt32(hex, 16);

// Get the character corresponding to the integral value.

string stringValue = Char.ConvertFromUtf32(value);

char charValue = (char)value;

//Console.WriteLine("hexadecimal value = {0}, int value = {1}, char value = {2} or {3}", hex, value, stringValue, charValue);

temp += value;

}

string tempStr = temp.ToString("x");

return tempStr.Remove(0, tempStr.Length - 2).ToUpper();

//return tempStr.Substring(tempStr.Length-2, tempStr.Length - 1).ToUpper();

}

在发送6个字屏使用