public void InputProcess(Object stateInfo)
{
if (Monitor.TryEnter(_serialPort))
{
try
{
AutoResetEvent autoEvent = (AutoResetEvent)stateInfo;
if (!_serialPort.IsOpen)
{
// Signal the waiting thread we are done
autoEvent.Set();
return;
}
if (_serialPort.BytesToRead == 0)
{
return;
}
int inputData = _serialPort.ReadByte();
int command;
if (_parsingSysex)
{
if (inputData == Arduino.END_SYSEX)
{
_parsingSysex = false;
if (_sysexBytesRead > 5 && _storedInputData[0] == Arduino.I2C_REPLY)
{
byte[] i2cReceivedData = new byte[(_sysexBytesRead - 1) / 2];
for (int i = 0; i < i2cReceivedData.Count(); i++)
{
i2cReceivedData[i] = (byte)(_storedInputData[(i * 2) + 1] | _storedInputData[(i * 2) + 2] << 7);
}
_arduino.callDidI2CDataReveive(i2cReceivedData[0], i2cReceivedData[1], i2cReceivedData.Skip(2).ToArray());
}
if (_storedInputData[0] == Arduino.SYSEX_SUB_STRING)
{
//
byte[] dummy = new byte[(_sysexBytesRead - 1) / 2];
for (int i = 0; i < dummy.Count(); i++)
{
dummy[i] = (byte)(_storedInputData[(i * 2) + 1] | _storedInputData[(i * 2) + 2] << 7);
}
string sDummy = System.Text.Encoding.UTF8.GetString(dummy, 0, dummy.Length);
}
_sysexBytesRead = 0;
}
else
{
_storedInputData[_sysexBytesRead] = inputData;
_sysexBytesRead++;
}
}
else if (_waitForData > 0 && inputData < 128)
{
_waitForData--;
_storedInputData[_waitForData] = inputData;
if (_executeMultiByteCommand != 0 && _waitForData == 0)
{
//we got everything
switch (_executeMultiByteCommand)
{
case Arduino.DIGITAL_MESSAGE:
int currentDigitalInput = (_storedInputData[0] << 7) + _storedInputData[1];
for (int i = 0; i < 8; i++)
{
if (((1 << i) & (currentDigitalInput & 0xff)) != ((1 << i) & (_arduino._digitalInputData[_multiByteChannel] & 0xff)))
{
if ((((1 << i) & (currentDigitalInput & 0xff))) != 0)
{
_arduino.callDigitalPinUpdated((byte)(i + _multiByteChannel * 8), Arduino.HIGH);
}
else
{
_arduino.callDigitalPinUpdated((byte)(i + _multiByteChannel * 8), Arduino.LOW);
}
}
}
_arduino._digitalInputData[_multiByteChannel] = (_storedInputData[0] << 7) + _storedInputData[1];
break;
case Arduino.ANALOG_MESSAGE:
_arduino._analogInputData[_multiByteChannel] = (_storedInputData[0] << 7) + _storedInputData[1];
_arduino.callAnalogPinUpdated(_multiByteChannel, (_storedInputData[0] << 7) + _storedInputData[1]);
break;
case Arduino.REPORT_VERSION:
this._majorVersion = _storedInputData[1];
this._minorVersion = _storedInputData[0];
break;
}
}
}
else
{
if (inputData < 0xF0)
{
command = inputData & 0xF0;
_multiByteChannel = inputData & 0x0F;
switch (command)
{
case Arduino.DIGITAL_MESSAGE:
case Arduino.ANALOG_MESSAGE:
case Arduino.REPORT_VERSION:
_waitForData = 2;
_executeMultiByteCommand = command;
break;
}
}
else if (inputData == 0xF0)
{
_parsingSysex = true;
// commands in the 0xF* range don't use channel data
}
}
}
finally
{
Monitor.Exit(_serialPort);
}
}
}
public void ProcessInput(Object stateInfo)
{
if (Monitor.TryEnter(_serialPort))
{
try
{
try
{
AutoResetEvent areProcessingFinished = (AutoResetEvent)stateInfo;
if (!_serialPort.IsOpen)
{
// Signal the waiting thread we are done
areProcessingFinished.Set();
return;
}
int bytesToRead = _serialPort.BytesToRead;
if (bytesToRead == 0)
{
return;
}
byte[] serialData = new byte[bytesToRead];
_serialPort.Read(serialData, 0, bytesToRead);
foreach (byte inputData in serialData)
{
byte command;
if (_parsingSysex)
{
if (inputData == Arduino.END_SYSEX)
{
_parsingSysex = false;
if (_sysexBytesRead > 5 && _storedInputData[0] == Arduino.I2C_REPLY)
{
byte[] i2cReceivedData = new byte[(_sysexBytesRead - 1) / 2];
for (int i = 0; i < i2cReceivedData.Count(); i++)
{
i2cReceivedData[i] = (byte)(_storedInputData[(i * 2) + 1] | _storedInputData[(i * 2) + 2] << 7);
}
_arduino.callDidI2CDataReceive(i2cReceivedData[0], i2cReceivedData[1], i2cReceivedData.Skip(2).ToArray());
}
else if (_sysexBytesRead > 5 && _storedInputData[0] == Arduino.STRING_DATA)
{
StringBuilder sb = new StringBuilder();
for (int i = 0; i < (_sysexBytesRead - 1) / 2; i++)
{
sb.Append((char)(_storedInputData[(i * 2) + 1] | _storedInputData[(i * 2) + 2] << 7));
}
_arduino?.callFirmataMessageHandler(sb.ToString());
}
_sysexBytesRead = 0;
}
else
{
_storedInputData[_sysexBytesRead] = inputData;
_sysexBytesRead++;
}
}
else if (_waitForData > 0 && inputData < 128)
{
_waitForData--;
_storedInputData[_waitForData] = inputData;
if (_executeMultiByteCommand != 0 && _waitForData == 0)
{
//we got everything
switch (_executeMultiByteCommand)
{
case Arduino.DIGITAL_MESSAGE:
int currentDigitalInput = (_storedInputData[0] << 7) + _storedInputData[1];
for (int i = 0; i < 8; i++)
{
if (((1 << i) & (currentDigitalInput & 0xff)) != ((1 << i) & (_arduino._digitalInputData[_multiByteChannel] & 0xff)))
{
if ((((1 << i) & (currentDigitalInput & 0xff))) != 0)
{
_arduino.callDigitalPinUpdated((byte)(i + _multiByteChannel * 8), Arduino.HIGH);
}
else
{
_arduino.callDigitalPinUpdated((byte)(i + _multiByteChannel * 8), Arduino.LOW);
}
}
}
_arduino._digitalInputData[_multiByteChannel] = (_storedInputData[0] << 7) + _storedInputData[1];
break;
case Arduino.ANALOG_MESSAGE:
_arduino._analogInputData[_multiByteChannel] = (_storedInputData[0] << 7) + _storedInputData[1];
_arduino.callAnalogPinUpdated(_multiByteChannel, (_storedInputData[0] << 7) + _storedInputData[1]);
break;
case Arduino.REPORT_VERSION:
this._majorVersion = _storedInputData[1];
this._minorVersion = _storedInputData[0];
break;
}
}
}
else
{
if (inputData < 0xF0)
{
command = (byte)(inputData & 0xF0);
#region Debug print received message
//FirmataMessages fmsg = FirmataMessages.UNKNOWN_MASSAGE;
//if (Enum.IsDefined(typeof(FirmataMessages), (int)command)) fmsg = (FirmataMessages)(int)command;
//Debug.WriteLine(string.Format("Command received : {0}", fmsg));
#endregion
_multiByteChannel = inputData & 0x0F;
switch (command)
{
case Arduino.DIGITAL_MESSAGE:
case Arduino.ANALOG_MESSAGE:
case Arduino.REPORT_VERSION:
_waitForData = 2;
_executeMultiByteCommand = command;
break;
}
}
else if (inputData == Arduino.START_SYSEX)
{
_parsingSysex = true;
// commands in the 0xF* range don't use channel data
}
}
}
}
catch (Exception Ex)
{
Debug.WriteLine("Error in ProcessInput : " + Ex.Message);
}
}
finally
{
Monitor.Exit(_serialPort);
}
}
}
