public void Disconnect()
{
m_bDoDisconnect = true;
ConnectionState = EnConnState.DISCONNECTING;
ConnectionStateChange?.Invoke(this, null);
return;
}
public void Connect(String portName, UInt32 baudRate)
{
if (m_bConnected)
{
return;
}
try
{
m_serialPort.PortName = portName;
m_serialPort.BaudRate = (Int32)baudRate;
m_serialPort.DataBits = 8;
m_serialPort.StopBits = System.IO.Ports.StopBits.One;
m_serialPort.Parity = System.IO.Ports.Parity.None;
m_serialPort.Handshake = System.IO.Ports.Handshake.None;
m_serialPort.ReadTimeout = 1;
m_serialPort.WriteTimeout = 100;
m_serialPort.Open();
}
catch
{
System.Windows.Forms.MessageBox.Show("Fehler");
ConnectionState = EnConnState.FAILED_TO_CONNECTED;
ConnectionStateChange?.Invoke(this, null);
return;
}
ConnectionState = EnConnState.CONNECTED;
ConnectionStateChange?.Invoke(this, null);
m_bConnected = true;
m_bDoDisconnect = false;
if (m_connectorThread != null)
{
if ((m_connectorThread.ThreadState == ThreadState.Unstarted) ||
(m_connectorThread.ThreadState == ThreadState.Stopped))
{
m_connectorThread = null;
}
}
m_connectorThread = new Thread(new ThreadStart(Connectorthread))
{
Name = "Connector_connectorthread"
};
m_connectorThread.Start();
return;
}
public override void OnConnectionStateChange(bt.BluetoothGatt gatt, [GeneratedEnum] bt.GattStatus status, [GeneratedEnum] bt.ProfileState newState)
{
base.OnConnectionStateChange(gatt, status, newState);
ConnectionStateChange?.Invoke(this, new ConnectionStateChangeEventArgs(gatt, status, newState));
if (!_servicesDiscovered)
{
gatt.DiscoverServices();
}
}
private void Connectorthread()
{
StringBuilder rx = new StringBuilder(10000);
Boolean bRxInProgress = false;
while (!m_bDoDisconnect)
{
Byte rxbyte;
try
{
rxbyte = (Byte)m_serialPort.ReadByte();
}
catch (TimeoutException)
{
rxbyte = 0;
}
catch
{
ConnectionState = EnConnState.BROKEN;
ConnectionStateChange?.Invoke(this, null);
break;
}
if (rxbyte > 0)
{
if (!bRxInProgress)
{
if ((rxbyte == (Byte)':') || (rxbyte == (Byte)'\'') || (rxbyte == (Byte)'#'))
{
bRxInProgress = true;
rx.Clear();
rx.Append((Char)rxbyte);
}
}
else
{
if (rxbyte != 0x03)
{
rx.Append((Char)rxbyte);
}
else
{
bRxInProgress = false;
String msg = rx.ToString();
if (msg[0] == ':')
{
NewRespData?.Invoke(this, msg);
System.Threading.Monitor.Enter(m_txmsgs);
if (m_rxdebit > 0)
{
--m_rxdebit;
}
System.Threading.Monitor.Exit(m_txmsgs);
}
else if (msg[0] == '\'')
{
NewDisplayData?.Invoke(this, msg);
}
else if (msg[0] == '#')
{
NewDAQData?.Invoke(this, msg);
}
else
{
NewCorruptData?.Invoke(this, msg);
}
}
}
}
String txmsg = null;
System.Threading.Monitor.Enter(m_txmsgs);
if (m_txmsgs.Count > 0)
{
txmsg = m_txmsgs.Dequeue();
}
System.Threading.Monitor.Exit(m_txmsgs);
if (txmsg != null)
{
NewRespData?.Invoke(this, txmsg);
Byte[] tmp = Encoding.ASCII.GetBytes(txmsg);
Byte[] tx = new Byte[tmp.Length + 1];
tmp.CopyTo(tx, 0);
tx[tx.Length - 1] = 10;
m_serialPort.Write(tx, 0, tx.Length);
}
}
if (m_serialPort.IsOpen)
{
m_serialPort.Close();
}
m_bConnected = false;
ConnectionState = EnConnState.DISCONNECTED;
ConnectionStateChange?.Invoke(this, null);
return;
}