//Turn a set of tokens into an operand
private void parseOperandString(string[] tokens, ref ModifierOperand operand)
{
//example string -> bus:0:id:200:d3
operand.bus = -1;
operand.ID = -2;
operand.databyte = 0;
for (int i = 0; i < tokens.Length; i++)
{
if (tokens[i] == "BUS")
{
operand.bus = Utility.ParseStringToNum(tokens[++i]);
}
else if (tokens[i] == "ID")
{
operand.ID = Utility.ParseStringToNum(tokens[++i]);
}
else if (tokens[i].Length == 2 && tokens[i].StartsWith("D"))
{
operand.databyte = Utility.ParseStringToNum(tokens[i].Substring(1));
}
else
{
operand.databyte = Utility.ParseStringToNum(tokens[i]);
operand.ID = 0; //special ID to show this is a number not a look up.
}
}
}
private int fetchOperand(int idx, ModifierOperand op)
{
CANFrame tempFrame;
if (op.ID == 0) //numeric constant
{
return(op.databyte);
}
else if (op.ID == -2)
{
return(sendingData[idx].data[op.databyte]);
}
else //look up external data byte
{
tempFrame = lookupFrame(op.ID, op.bus);
if (tempFrame != null)
{
return(tempFrame.data[op.databyte]);
}
else
{
return(0);
}
}
}
//Turn a set of tokens into an operand
private void parseOperandString(string[] tokens, ref ModifierOperand operand)
{
//example string -> bus:0:id:200:d3
operand.bus = -1;
operand.ID = -2;
operand.databyte = 0;
for (int i = 0; i < tokens.Length; i++)
{
if (tokens[i] == "BUS")
{
operand.bus = Utility.ParseStringToNum(tokens[++i]);
}
else if (tokens[i] == "ID")
{
operand.ID = Utility.ParseStringToNum(tokens[++i]);
}
else if (tokens[i].Length == 2 && tokens[i].StartsWith("D"))
{
operand.databyte = Utility.ParseStringToNum(tokens[i].Substring(1));
}
else
{
operand.databyte = Utility.ParseStringToNum(tokens[i]);
operand.ID = 0; //special ID to show this is a number not a look up.
}
}
}
private int fetchOperand(int idx, ModifierOperand op)
{
CANFrame tempFrame;
if (op.ID == 0) //numeric constant
{
return op.databyte;
}
else if (op.ID == -2)
{
return sendingData[idx].data[op.databyte];
}
else //look up external data byte
{
tempFrame = lookupFrame(op.ID, op.bus);
if (tempFrame != null)
{
return tempFrame.data[op.databyte];
}
else return 0;
}
}
