【C#】串列埠操作實用類
阿新 • • 發佈：2019-02-11
publicclass PortData
{
publicevent PortDataReceivedEventHandle Received;
publicevent SerialErrorReceivedEventHandler Error;
public SerialPort port;
publicbool ReceiveEventFlag =false; //接收事件是否有效 false表示有效public PortData(string sPortName, int baudrate,Parity parity,SerialInterface.SerialMode mode)
{
port
port.RtsEnable =true;
port.ReadTimeout =3000;
port.DataReceived +=new SerialDataReceivedEventHandler(DataReceived);
port.ErrorReceived +=new SerialErrorReceivedEventHandler(ErrorEvent);
}
{
Close();
}
publicvoid Open()
{
if (!port.IsOpen)
{
port.Open();
}
}
publicvoid Close()
{
if (port.IsOpen)
{
port.Close();
}
}
{
if (port.IsOpen)
{
port.Write(data, 0, data.Length);
}
}
publicvoid SendData(byte[] data,int offset,int count)
{
if (port.IsOpen)
{
port.Write(data, offset, count);
}
}
//傳送命令publicint SendCommand(byte[] SendData, refbyte[] ReceiveData,int Overtime)
{
if(port.IsOpen)
{
ReceiveEventFlag =true; //關閉接收事件 port.DiscardInBuffer(); //清空接收緩衝區 port.Write(SendData, 0, SendData.Length);
int num=0,ret=0;
while (num++< Overtime)
{
if (port.BytesToRead >= ReceiveData.Length) break;
System.Threading.Thread.Sleep(1);
}
if (port.BytesToRead >= ReceiveData.Length)
ret = port.Read(ReceiveData, 0, ReceiveData.Length);
ReceiveEventFlag =false; //開啟事件return ret;
}
return-1;
}
publicvoid ErrorEvent(object sender, SerialErrorReceivedEventArgs e)
{
if (Error !=null) Error(sender, e);
}
//資料接收publicvoid DataReceived(object sender, SerialDataReceivedEventArgs e)
{
//禁止接收事件時直接退出if (ReceiveEventFlag) return;
byte[] data =newbyte[port.BytesToRead];
port.Read(data, 0, data.Length);
if (Received !=null) Received(sender, new PortDataReciveEventArgs(data));
}
publicbool IsOpen()
{
return port.IsOpen;
}
}
publicdelegatevoid PortDataReceivedEventHandle(object sender, PortDataReciveEventArgs e);
publicclass PortDataReciveEventArgs : EventArgs
{
public PortDataReciveEventArgs()
{
this.data =null;
}
public PortDataReciveEventArgs(byte[] data)
{
this.data = data;
}
privatebyte[] data;
publicbyte[] Data
{
get { return data; }
set { data = value; }
}
}
{
publicevent PortDataReceivedEventHandle Received;
publicevent SerialErrorReceivedEventHandler Error;
public SerialPort port;
publicbool ReceiveEventFlag =false; //接收事件是否有效 false表示有效public PortData(string sPortName, int baudrate,Parity parity,SerialInterface.SerialMode mode)
{
port
port.RtsEnable =true;
port.ReadTimeout =3000;
port.DataReceived +=new SerialDataReceivedEventHandler(DataReceived);
port.ErrorReceived +=new SerialErrorReceivedEventHandler(ErrorEvent);
}
{
Close();
}
publicvoid Open()
{
if (!port.IsOpen)
{
port.Open();
}
}
publicvoid Close()
{
if (port.IsOpen)
{
port.Close();
}
}
{
if (port.IsOpen)
{
port.Write(data, 0, data.Length);
}
}
publicvoid SendData(byte[] data,int offset,int count)
{
if (port.IsOpen)
{
port.Write(data, offset, count);
}
}
//傳送命令publicint SendCommand(byte[] SendData, refbyte[] ReceiveData,int Overtime)
{
if(port.IsOpen)
{
ReceiveEventFlag =true; //關閉接收事件 port.DiscardInBuffer(); //清空接收緩衝區 port.Write(SendData, 0, SendData.Length);
int num=0,ret=0;
while (num++< Overtime)
{
if (port.BytesToRead >= ReceiveData.Length) break;
System.Threading.Thread.Sleep(1);
}
if (port.BytesToRead >= ReceiveData.Length)
ret = port.Read(ReceiveData, 0, ReceiveData.Length);
ReceiveEventFlag =false; //開啟事件return ret;
}
return-1;
}
publicvoid ErrorEvent(object sender, SerialErrorReceivedEventArgs e)
{
if (Error !=null) Error(sender, e);
}
//資料接收publicvoid DataReceived(object sender, SerialDataReceivedEventArgs e)
{
//禁止接收事件時直接退出if (ReceiveEventFlag) return;
byte[] data =newbyte[port.BytesToRead];
port.Read(data, 0, data.Length);
if (Received !=null) Received(sender, new PortDataReciveEventArgs(data));
}
publicbool IsOpen()
{
return port.IsOpen;
}
}
publicdelegatevoid PortDataReceivedEventHandle(object sender, PortDataReciveEventArgs e);
publicclass PortDataReciveEventArgs : EventArgs
{
public PortDataReciveEventArgs()
{
this.data =null;
}
public PortDataReciveEventArgs(byte[] data)
{
this.data = data;
}
privatebyte[] data;
publicbyte[] Data
{
get { return data; }
set { data = value; }
}
}