cyf
96 lines
2.6 KiB
C#
96 lines
2.6 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO.Ports;
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using System.Linq;
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using System.Text;
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namespace Lskj.Util
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{
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public static class SerialPortProgram
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{
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private static SerialPort port = new SerialPort();
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private static bool isHex = false;
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public static string strReceiveMessage = string.Empty;
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//创建串口
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public static void establish(List<string> paramList)
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{
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strReceiveMessage = string.Empty;
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port.BaudRate = Convert.ToInt32(paramList[1]+"");
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port.DataBits = Convert.ToInt32(paramList[2] + "");
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port.StopBits = (StopBits)Convert.ToInt32(paramList[3] + "");
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port.Parity = (Parity)Convert.ToInt32(paramList[4] + "");
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var portName = paramList[5] + "";
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if (null != portName)
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port.PortName = portName;
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}
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//打开串口
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public static void Open()
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{
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try
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{
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port.Open();//打开串口
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port.DtrEnable = true;//设置DTR为高电平
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port.RtsEnable = true;//设置RTS位高电平
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}
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catch (Exception ex)
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{
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//打开串口出错
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}
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port.DataReceived -= new SerialDataReceivedEventHandler(sp1_IsLegal_DataReceived);
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port.DataReceived += new SerialDataReceivedEventHandler(sp1_IsLegal_DataReceived);
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}
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//关闭
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public static void Close() {
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strReceiveMessage = string.Empty;
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port.Close();
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}
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/// <summary>
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/// 串口接收数据
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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private static void sp1_IsLegal_DataReceived(object sender, SerialDataReceivedEventArgs e)
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{
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// Thread.Sleep(500);
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string strReceiveMessage = string.Empty;
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Byte[] receivedData = new Byte[port.BytesToRead]; //创建接收字节数组
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port.Read(receivedData, 0, receivedData.Length); //读取数据
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port.DiscardInBuffer();
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//清空SerialPort控件的Buffer
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if (isHex)
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{
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for (int i = 0; i < receivedData.Length; i++)
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{
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strReceiveMessage += receivedData[i].ToString("X2"); //16进制显示
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}
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}
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else
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{
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strReceiveMessage = Encoding.ASCII.GetString(receivedData);
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}
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//264C1830302E306B670D0A
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//wn000000.0kg
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}
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}
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}
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