public DecoderOutput[] Process(Dictionary <string, Array> inputWaveforms, Dictionary <string, object> parameters, double samplePeriod)
{
DecoderOutput[] i2cStream = (DecoderOutput[])inputWaveforms["I2C"];
List <DecoderOutput> decoderOutputList = new List <DecoderOutput>();
int startIndex = 0;
bool i2cSequenceStarted = false;
bool fpgaAddressed = false;
int targetRegister = -1;
for (int i = 0; i < i2cStream.Length; i++)
{
DecoderOutput currentData = i2cStream[i];
if ((!i2cSequenceStarted) && (currentData.Text == "S"))
{
i2cSequenceStarted = true;
fpgaAddressed = false;
startIndex = currentData.StartIndex;
targetRegister = -1;
continue;
}
if (i2cSequenceStarted)
{
if (currentData is DecoderOutputValue <byte> ) //check for values only, not events
{
byte rawValue = (currentData as DecoderOutputValue <byte>).Value;
if (!fpgaAddressed)
{
fpgaAddressed = true;
}
else if (targetRegister < 0)
{
targetRegister = (int)rawValue;
}
else //3rd byte: regsiter value
{
REG fpgaRegister = (REG)targetRegister;
string toPrint = "FPGA: Set register " + fpgaRegister.ToString() + " to " + rawValue.ToString() + " (0x" + rawValue.ToString("X").PadLeft(2, '0') + ")";
decoderOutputList.Add(new DecoderOutputEvent(startIndex, currentData.EndIndex, DecoderOutputColor.Blue, toPrint));
//terminate this transmission
i2cSequenceStarted = false;
}
}
else
{
//if any event other than ACK is encountered during I2C transmission
if (currentData.Text != "ACK")
{
i2cSequenceStarted = false;
}
}
}
}
return(decoderOutputList.ToArray());
}
internal byte GetRegister(REG r)
{
int offset = 0;
if (!SmartScope.AcquisitionRegisters.Contains(r))
{
if (!SmartScope.DumpRegisters.Contains(r))
{
throw new Exception("Register " + r.ToString("G") + " not part of header");
}
else
{
offset = SmartScope.AcquisitionRegisters.Length + Array.IndexOf(SmartScope.DumpRegisters, r);
};
}
else
{
offset = Array.IndexOf(SmartScope.AcquisitionRegisters, r);
}
return(raw[offset]);
}
internal byte GetRegister(REG r)
{
int offset = 0;
if (!SmartScope.AcquisitionRegisters.Contains(r))
{
if (!SmartScope.DumpRegisters.Contains(r))
throw new Exception("Register " + r.ToString("G") + " not part of header");
else
offset = SmartScope.AcquisitionRegisters.Length + Array.IndexOf(SmartScope.DumpRegisters, r); ;
}
else
{
offset = Array.IndexOf(SmartScope.AcquisitionRegisters, r);
}
return raw[offset];
}