给串口发送16进制字符串命令和包括16进制命令转换为字节数组

using System; using System.Collections.Generic; using System.Text; using System.IO.Ports; namespace SerialPortControl {     public class PortControl     {         /// <summary>         /// 向端口中发送命令。         /// </summary>         /// <param name="hexstring">"0A 46 0B 31 30 30 32 35"</param>         /// <remarks>我本人对串口目前不是很熟悉，这次项目中需要，所以正在学习，后面我可能还会写一些。</remarks>         /// <example>  SerialPortControl.PortControl.WriteCommand("0A 46 0B 31 30 30 32 35")</example>         public static  void WriteCommand(string hexstring)         {             SerialPort sp = new SerialPort("COM1");             byte[] buff=HexStringToBinary(hexstring.Trim()                );             sp.WriteBufferSize = buff.Length ;             sp.Open();             sp.Write(buff ,0,buff.Length);             sp.Close();             sp.Dispose();         }         /// <summary>         /// 16进制字符串转换为二进制数组         /// </summary>         /// <param name="hexstring">字符串每个字节之间都应该有空格，大多数的串口通讯资料上面的16进制都是字节之间都是用空格来分割的。</param>         /// <returns>返回一个二进制字符串</returns>         public static byte[] HexStringToBinary(string hexstring)         {             string[] tmpary = hexstring.Split(' ');             byte[] buff = new byte[tmpary.Length];             for (int i = 0; i < buff.Length ; i++)    {                 buff[i] = Convert.ToByte(tmpary[i], 16);    }             return buff;         }     } }

转载于:https://www.cnblogs.com/bennylam/archive/2009/10/27/1590408.html

相关资源：VC串口16进制指令发送与接收