public override void Dispose()
{
_isActive = false;
_serialPort.Dispose();
_serialPort = null;
_receiveSignal.Set();
_sendSignal.Set();
}
public async Task CloseAsync()
{
await _serialPort.CloseAsync();
_serialPort.Dispose();
_serialPort = null;
IsConected = false;
}
private void CloseSerialPortConnection()
{
lock (_serialPortLock)
{
if (_serialPort != null)
{
try
{
if (_serialPort.IsOpen)
{
_log.DebugFormat($"Closing serial port {_config.COMPort}");
_serialPort.DiscardOutBuffer();
_serialPort.Close();
}
try
{
GC.ReRegisterForFinalize(_serialPort.BaseStream);
}
catch { }
_serialPort.Dispose();
}
catch (Exception e)
{
_log.Error(e.Message, e);
}
_serialPort = null;
}
_unsuccessfulConnectionAttempts = 0; //reset unsuccessful connection attempts counter
}
}
private async Task Disconnect(bool join)
{
Trace.WriteTraceFlush("Disconnecting", join.ToString());
Aborted = true;
_serialPortCancellationTokenSource?.Cancel();
if (join && _readThread != null)
{
try
{
_readThread.Abort();
}
catch (PlatformNotSupportedException)
{
// ignore
}
}
_readThread = null;
if (join && _writeThread != null)
{
while (!_writeThread.Join(100))
{
_autoEvent.Set();
}
}
_writeThread = null;
if (_serialPort != null)
{
try
{
_serialPort.Close();
}
catch (IOException)
{
// ignore exception
}
_serialPort.Dispose();
_serialPortCancellationTokenSource?.Dispose();
_serialPort = null;
_serialPortCancellationTokenSource = null;
}
Trace.WriteTraceFlush("Disconnected", join.ToString());
}
protected override void CloseDevice()
{
//if opened, set all channels to 0 before closing
if (m_buff != null)
{
Array.Clear(m_buff, m_prefix.Count, m_channels.Count * m_bytes);
//memset(m_buff + m_prefix.size(), 0, m_channels.size() * m_bytes);
m_serialport.Write(m_buff, m_buffsize);
m_buff = null;
m_buffsize = 0;
}
m_serialport.Dispose();
}
public bool Close()
{
bool rt = false;
int errorCode = 0; string errorMsg = "关闭成功";
try
{
if (ISerialPort != null)
{
if (ISerialPort.IsOpen)
{
ISerialPort.Close();
System.Threading.Thread.Sleep(100);
}
rt = true;
}
}
catch (Exception ex)
{
Property.IsConnected = false;
errorMsg = ex.Message;
}
finally
{
if (ClosedEvt != null)
{
System.Windows.Forms.Control target = ClosedEvt.Target as System.Windows.Forms.Control;
errorCode = 1;
errorMsg = string.Format("串口[{0}]{1}", ISerialPort.PortName, errorMsg);
if (target != null && target.InvokeRequired)
{
//非创建控件线程同步调用事件：SerialPortClosed
target.Invoke(ClosedEvt, new object[] { errorCode, errorMsg });
}
else
{
//创建控件线程调用事件
ClosedEvt(Property, errorCode, errorMsg);
}
}
if (ISerialPort != null)
{
ISerialPort.Dispose();
ISerialPort = null;
}
}
return(rt);
}
public bool Connect()
{
bool rt = false;
try
{
if (ISerialPort != null)
{
if (ISerialPort.IsOpen)
{
ISerialPort.DataReceived -= SerialPort_DataReceived;
ISerialPort.Close();
System.Threading.Thread.Sleep(100);
ISerialPort.Dispose();
}
ISerialPort.BaudRate = Property.BaudRate;
ISerialPort.Parity = Property.Parity;
ISerialPort.DataBits = Property.DataBits;
ISerialPort.StopBits = Property.StopBits;
//ISerialPort.ReceivedBytesThreshold = ComSerialPort.ReceivedBytesThreshold;
ISerialPort.NewLine = Property.NewLine;
ISerialPort.ReadTimeout = Property.ReceiveTimeOut;
ISerialPort.DtrEnable = Property.DtrEnable;
ISerialPort.RtsEnable = Property.RtsEnable;
ISerialPort.DataReceived += SerialPort_DataReceived;
System.AsyncCallback OnConnected = new System.AsyncCallback(ConnectedCallBack);
//当完成连接后回调:OnConnected委托
ISerialPort.Open();
OnConnected(null);
rt = true;
}
}
catch (Exception ex) { }
finally { }
return(rt);
}
public bool GetSerialPortByName(string protName)
{
bool rt = false;
try
{
if (SerialPortNameList != null &&
SerialPortNameList.Length > 0)
{
for (int i = 0; i < SerialPortNameList.Length; i++)
{
if (protName == SerialPortNameList[i])
{
ISerialPort = new System.IO.Ports.SerialPort(protName);
rt = true; break;
}
}
}
if (!rt)
{
if (ISerialPort != null)
{
if (ISerialPort.IsOpen)
{
ISerialPort.Close();
}
ISerialPort.Dispose();
ISerialPort = null;
}
}
}
catch (System.Exception ex)
{
}
return(rt);
}
static void Main(string[] args)
{
//List<SPInstanceBase> SPIs = new List<SPInstanceBase>()
//{
// new SPInstanceBase("COM1","1",delegate(Hex hex,object obj){Console.WriteLine((obj as string)+":"+hex.hexstring); }),
// new SPInstanceBase("COM2","2",delegate(Hex hex,object obj){Console.WriteLine((obj as string)+":"+hex.hexstring); }),
//};
//for (int i = 0; i < 10; i++)
//{
// SPIs[0].WriteHex("0x01 ab A 0xA".GetHexValue());
// Thread.Sleep(500);
// SPIs[1].WriteHex("0xAB 0XA B 1".GetHexValue());
// Thread.Sleep(500);
//}
//Console.Read();
ISerialPort COM1 = RS232Helper.Create("COM1", null, (str, obj) =>
{
Console.Write(str as string);
});
ISerialPort COM2 = RS232Helper.Create("COM2", null, (str, obj) =>
{
Console.Write(str as string);
});
for (int i = 0; i < 10; i++)
{
COM1.WriteStr("ABC");
Thread.Sleep(500);
COM2.WriteStr("EFG");
Thread.Sleep(500);
}
COM1.Dispose();
COM2.Dispose();
}
public void Dispose()
{
_serialPort?.Dispose();
}
public void Dispose()
{
_logged.Dispose();
}