【文件属性】：
文件名称：C#串口通信源代码
文件大小：51KB
文件格式：ZIP
更新时间：2015-06-13 03:24:36
Ｃ＃ 代码
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO.Ports;
using System.Windows.Forms;
namespace SComm
{
public class Com
{
private SerialPort sport;
///
/// 设置发送缓冲区大小
///
public int outBufferSize
{
set
{
sport.WriteBufferSize = value;
}
}
///
/// 设置接收缓冲区大小
///
public int inBufferSize
{
set
{
sport.ReadBufferSize = value;
}
}
public Com()
{
sport = new SerialPort();
}
///
/// 初始化
///
/// 端口名称
/// 波特率
/// 校验方式
public Com(string portName,int rate,Parity parity)
{
sport = new SerialPort(portName,rate,parity);
}
public bool InitCom()
{
if (sport.IsOpen)
return true;
else
{
try
{
sport.Open();
return true;
}
catch (Exception e)
{
return false;
}
}
}
public void Close()
{
if (sport.IsOpen)
sport.Close();
}
///
/// 串口设置并打开
///
///
///
///
///
public bool InitCom(string portName, int rate, Parity parity)
{
if (sport.IsOpen)
sport.Close();
sport.BaudRate = rate;
sport.PortName = portName;
sport.Parity = parity;
try
{
sport.Open();
return true;
}
catch (Exception e)
{
return false;
}
}
///
/// 发送字节
///
/// 要发送的字节
/// 发送字节的数量
///
public bool write(byte[] writeBytes,int count)
{
if (InitCom())
{
try
{
sport.Write(writeBytes, 0, count);
return true;
}
catch (Exception e)
{
return false;
}
}
return false;
}
///
/// 发送字符串
///
///
///
public bool write(string writeStrs)
{
if (InitCom())
{
try
{
sport.Write(writeStrs);
System.Threading.Thread.Sleep(100);
return true;
}
catch
{
return false;
}
}
return false;
}
///
/// 读取数据
///
/// 读取的字节数
///
public byte[] Read(int NumBytes)
{
byte[] inbuffer=null;
if (sport.IsOpen && sport.BytesToRead > 0)
{
if (NumBytes > sport.BytesToRead)
NumBytes = sport.BytesToRead;
try
{
int b = sport.ReadByte();
string s = sport.ReadExisting();
string s1 = sport.NewLine;
// string ss = sport.ReadLine();
inbuffer = new byte[NumBytes];
int count = sport.Read(inbuffer, 0, NumBytes);
}
catch (TimeoutException) { throw; }
}
// sport.Close();
return inbuffer;
}
public byte[] Read()
{
return Read(sport.BytesToRead);
}
public string ReadLine()
{
try
{
if (sport.IsOpen && sport.BytesToRead > 0)
{
string s = sport.ReadExisting();
return sport.ReadLine();
}
return null;
}
catch (TimeoutException e)
{
return e.Message;
}
}
public string ReadExisting()
{
return sport.ReadExisting();
}
public void SendSignal(byte cmd)
{
byte[] hexdata = new byte[5];
hexdata[0] = 0x01;
hexdata[1] = 0x03;
hexdata[2] = cmd;
ushort crc = CommWithARM. CRC_16(hexdata, 3);
hexdata[3] = (byte)(crc / 256);
hexdata[4] = (byte)(crc % 256);
write(hexdata, 5);
}
public void OnOnCommMscomm1()
{
byte[] rxdata= Read();
////string srxdata = ReadLine(); int i = 0; try
////{
//// foreach (char s in srxdata)
//// {
//// rxdata[i++] = (byte)s;
//// }
////}
////catch { }
if (rxdata != null)
{
int len = rxdata.Length;
if (len == 23)
{
CommWithARM.CheckHandSignal(rxdata);
}
else if (len >= 53)
{
CommWithARM.HandData(rxdata, len);
}
}
}
}
}
【文件预览】：
SerialPort
----SerialPort()
--------Form1.Designer.cs(12KB)
--------Program.cs(515B)
--------obj()
--------bin()
--------Form1.cs(4KB)
--------Form1.resx(6KB)
--------SerialPortCommunication.csproj(4KB)
--------Properties()
----SerialPort.suo(29KB)
----SerialPort.sln(946B)
