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;
}
}
}