private void ProcessReceivedData()
{
byte command = 0;
byte multiByteChannel = 0;
int dataNeeded = 0;
byte multiByteCommand = 0;
bool parsingSysex = false;
while (true)
{
try
{
if (_input.Size == 0)
{
_haveDataEvent.WaitOne();
}
if (!_isOpen)
{
break;
}
command = 0;
byte b = _input.Get();
if (parsingSysex)
{
if (b == (byte)CommandCode.END_SYSEX)
{
parsingSysex = false;
ProcessSysexMessage();
}
else
{
if (_cbInputMessage < _inputMessage.Length)
{
_inputMessage[_cbInputMessage++] = b;
}
}
}
else if (dataNeeded > 0 && b < 128)
{
_inputMessage[--dataNeeded] = b;
if (dataNeeded == 0 && multiByteCommand != 0)
{
switch (multiByteCommand)
{
case (byte)CommandCode.ANALOG_MESSAGE:
_dm.ProcessAnalogMessage(multiByteChannel, _inputMessage[0] << 7 | _inputMessage[1]);
break;
case (byte)CommandCode.DIGITAL_MESSAGE:
_dm.ProcessDigitalMessage(multiByteChannel, _inputMessage[0] << 7 | _inputMessage[1]);
break;
case (byte)CommandCode.SET_PIN_MODE:
//_board.SetPinMode(_inputMessage[1], _inputMessage[0] << 7 | _inputMessage[1]);
break;
case (byte)CommandCode.REPORT_ANALOG:
//_board.ReportAnalog(multiByteChannel, _inputMessage[0] << 7 | _inputMessage[1]);
break;
case (byte)CommandCode.REPORT_DIGITAL:
//_board.ReportDigital(multiByteChannel, _inputMessage[0] << 7 | _inputMessage[1]);
break;
case (byte)CommandCode.REPORT_VERSION:
var key = ComputeCommandKey((byte)CommandCode.REPORT_VERSION);
CompleteTask(key, multiByteCommand, _inputMessage[1], _inputMessage[0]);
break;
}
}
}
else
{
if (b < 0xf0)
{
command = (byte)(b & 0xf0);
multiByteChannel = (byte)(b & 0x0F);
}
else
{
command = b;
}
}
switch (command)
{
case (byte)CommandCode.ANALOG_MESSAGE:
case (byte)CommandCode.DIGITAL_MESSAGE:
case (byte)CommandCode.SET_PIN_MODE:
case (byte)CommandCode.REPORT_VERSION:
dataNeeded = 2;
multiByteCommand = command;
break;
case (byte)CommandCode.REPORT_ANALOG:
case (byte)CommandCode.REPORT_DIGITAL:
dataNeeded = 1;
multiByteCommand = command;
break;
case (byte)CommandCode.START_SYSEX:
parsingSysex = true;
_cbInputMessage = 0;
break;
case (byte)CommandCode.SYSTEM_RESET:
// reset the input parsing state machine
multiByteChannel = 0;
dataNeeded = 0;
multiByteCommand = 0;
parsingSysex = false;
_cbInputMessage = 0;
Array.Clear(_inputMessage, 0, _inputMessage.Length);
//_board.Reset();
break;
default:
break;
}
_haveDataEvent.Reset();
}
catch
{
}
}
}
