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  • C# serialPort串口相关 string 转为Byte[]

    打开串口

      #region[打开串口]
            private void SerialPortStart(string comPort, int baudRate)
            {
                foreach (string comName in SerialPort.GetPortNames())
                {
                    if (comName == comPort)
                    {
                        serialPort = new SerialPort(comName);
                        serialPort.BaudRate = baudRate;
                        serialPort.Parity = Parity.None;
                        serialPort.StopBits = StopBits.One;
                        serialPort.DataBits = 8;
                        serialPort.Open();
    
                        LogUtils.WriteInfoLog(typeof(MainForm), string.Format("已打开串口:{0},波特率:{1}", comPort, baudRate));
                        break;
                    }
                }
            }
            #endregion

    打开串口,发送命令

    if (serialPort.IsOpen)
    {
        string openCommand = "21 0F 00 00 00 08 01 FF BC CD";
        byte[] bs = strToToHexByte(openCommand);
         serialPort.Write(bs, 0, bs.Length);
    }
     

    将串口命令转为字节

     private static byte[] strToToHexByte(string hexString)
            {
                hexString = hexString.Replace(" ", "");
                if ((hexString.Length % 2) != 0)
                    hexString += " ";
                byte[] returnBytes = new byte[hexString.Length / 2];
                for (int i = 0; i < returnBytes.Length; i++)
                    returnBytes[i] = Convert.ToByte(hexString.Substring(i * 2, 2), 16);
                return returnBytes;
            }

    本文来自博客园,作者:云辰,转载请注明原文链接:https://www.cnblogs.com/yunchen/p/14866156.html

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  • 原文地址:https://www.cnblogs.com/yunchen/p/14866156.html
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