private CompiledBooleanSignal booleanSignal(NodeSignal signal, SignalTable signalTable)
{
var signalAddress = signalTable.GetBooleanSignalAddress(signal);
var compiledSignal = new CompiledBooleanSignal(false, signalAddress, signalTable.BooleanAddressBits);
return(compiledSignal);
}
private CompiledBooleanSignal booleanSignal(NodeSignalIn signalIn, SignalTable signalTable)
{
if (signalIn.SignalId != null)
{
var signalAddress = signalTable.GetBooleanSignalAddress(signalIn);
var compiledSignal = new CompiledBooleanSignal(true, signalAddress, signalTable.BooleanAddressBits);
return(compiledSignal);
}
else if (signalIn.Literal != null)
{
var literal = signalIn.Literal;
if (literal.DataType != FieldDataType.DataTypeEnum.BOOL)
{
throw new Exception("Signal should be a BOOL.");
}
var literalValue = (bool)(literal.Value);
return(new CompiledBooleanSignal(literalValue));
}
else
{
throw new Exception("Expecting one of SignalIn.SignalId or SignalIn.Literal to be non-null");
}
}
private void driveSignalWithCoilToConstantValue(
Int16 address, bool value,
SignalTable signalTable, List <CompiledInstruction> compiledInstructions)
{
if (!value) // if value is TRUE, only need the coil, otherwise need a NO contact
{
var compiledContactSignal = new CompiledBooleanSignal(false);
var contact = new CompiledInstruction(
0x01, // NO contact
3,
compiledContactSignal);
compiledInstructions.Add(contact);
}
var compiledDiscreteInputSignal = new CompiledBooleanSignal(false, address, signalTable.BooleanAddressBits);
var coil = new CompiledInstruction(
0x00, // coil
3,
compiledDiscreteInputSignal);
compiledInstructions.Add(coil);
compiledInstructions.Add(new CompiledInstruction(0x03, 3)); // series instruction end (end of rung)
}
public CompiledProgram Compile(NodeRuntimeApplication rta, SignalTable signalTable)
{
if (rta == null)
{
throw new ArgumentNullException("rta");
}
if (signalTable == null)
{
throw new ArgumentNullException("signalTable");
}
var runtimeId = Guid.Parse(rta.RuntimeId.ToString());
var versionId = Guid.Parse(rta.ID.ToString());
var logic = rta.Logic;
var compiledInstructions = new List <CompiledInstruction>();
var discreteInputs = rta.DeviceConfiguration.GetChildrenRecursive()
.Select(x => x.Value)
.OfType <NodeDiscreteInput>();
foreach (var discreteInput in discreteInputs)
{
if (discreteInput.Forced.BoolValue)
{
var address = Int16.Parse(discreteInput.Address.ToString());
this.driveSignalWithCoilToConstantValue(
address, discreteInput.ForcedValue.BoolValue,
signalTable, compiledInstructions);
}
}
var analogInputs = rta.DeviceConfiguration.GetChildrenRecursive()
.Select(x => x.Value)
.OfType <NodeAnalogInput>();
foreach (var analogInput in analogInputs)
{
if (analogInput.Forced.BoolValue)
{
if (analogInput.ForcedValue.DataType != FieldDataType.DataTypeEnum.NUMBER)
{
throw new Exception("Data type of forced value must be NUMBER.");
}
var address = byte.Parse(analogInput.Address.ToString());
this.setNumericAddressToValueWithAddInstruction(
address, (decimal)(analogInput.ForcedValue.Value),
signalTable, compiledInstructions);
}
}
compiledInstructions.AddRange(compilePageCollection(logic, signalTable));
// discrete output literals
var discreteOutputs = rta.DeviceConfiguration.GetChildrenRecursive()
.Select(x => x.Value)
.OfType <NodeDiscreteOutput>();
foreach (var discreteOutput in discreteOutputs)
{
var literal = discreteOutput.SignalIn.Literal;
var address = Int16.Parse(discreteOutput.Address.ToString());
if (literal != null)
{
// insert a new rung to set the literal value
if (literal.DataType != FieldDataType.DataTypeEnum.BOOL)
{
throw new Exception("Data type must be BOOL.");
}
var literalValue = (bool)(literal.Value);
this.driveSignalWithCoilToConstantValue(
address, literalValue,
signalTable, compiledInstructions);
}
}
// boolean jumpers (from internal signals to outputs)
foreach (var booleanJumper in signalTable.BooleanJumpers)
{
var compiledContactSignal = new CompiledBooleanSignal(true, booleanJumper.Item1, signalTable.BooleanAddressBits);
var contact = new CompiledInstruction(
0x01, // NO contact
3,
compiledContactSignal);
compiledInstructions.Add(contact);
var compiledDiscreteOutputSignal = new CompiledBooleanSignal(false, booleanJumper.Item2, signalTable.BooleanAddressBits);
var coil = new CompiledInstruction(
0x00, // coil
3,
compiledDiscreteOutputSignal);
compiledInstructions.Add(coil);
compiledInstructions.Add(new CompiledInstruction(0x03, 3)); // series instruction end (end of rung)
}
// boolean forces
foreach (var discreteOutput in discreteOutputs)
{
var address = Int16.Parse(discreteOutput.Address.ToString());
if (discreteOutput.Forced.BoolValue)
{
this.driveSignalWithCoilToConstantValue(
address, discreteOutput.ForcedValue.BoolValue,
signalTable, compiledInstructions);
}
}
// analog output literals
var analogOutputs = rta.DeviceConfiguration.GetChildrenRecursive()
.Select(x => x.Value)
.OfType <NodeAnalogOutput>();
foreach (var analogOutput in analogOutputs)
{
var literal = analogOutput.SignalIn.Literal;
var address = Byte.Parse(analogOutput.Address.ToString());
if (literal != null)
{
// insert a new rung to set the literal value
if (literal.DataType != FieldDataType.DataTypeEnum.NUMBER)
{
throw new Exception("Data type of literal must be NUMBER.");
}
this.setNumericAddressToValueWithAddInstruction(
address, (decimal)(literal.Value),
signalTable, compiledInstructions);
}
}
// analog jumpers (from internal signals to outputs)
foreach (var numericJumper in signalTable.NumericJumpers)
{
var sourceAddress = numericJumper.Item1;
var destinationAddress = numericJumper.Item2;
var compiledOperand1Signal = new CompiledNumericSignal(true, sourceAddress, signalTable.NumericAddressBits);
var operand2SignalIn = NodeSignalIn.BuildWith(
new FieldDataType(FieldDataType.DataTypeEnum.NUMBER),
new FieldConstant(FieldDataType.DataTypeEnum.NUMBER, 0M));
var compiledOperand2Signal = numericSignal(operand2SignalIn, signalTable);
var compiledResultSignal = new CompiledNumericSignal(false, destinationAddress, signalTable.NumericAddressBits);
var add = new CompiledInstruction(
0x78, // add
7,
compiledOperand1Signal, compiledOperand2Signal, compiledResultSignal);
compiledInstructions.Add(add);
compiledInstructions.Add(new CompiledInstruction(0x03, 3)); // series instruction end (end of rung)
}
// analog forces
foreach (var analogOutput in analogOutputs)
{
var address = Byte.Parse(analogOutput.Address.ToString());
if (analogOutput.Forced.BoolValue)
{
if (analogOutput.ForcedValue.DataType != FieldDataType.DataTypeEnum.NUMBER)
{
throw new Exception("Data type of forced value must be NUMBER.");
}
this.setNumericAddressToValueWithAddInstruction(
address, (decimal)(analogOutput.ForcedValue.Value),
signalTable, compiledInstructions);
}
}
// end of program
compiledInstructions.Add(new CompiledInstruction(PROGRAM_END, 8));
var packedInstructions = bitPackInstructions(compiledInstructions);
return(new CompiledProgram(
runtimeId,
versionId,
signalTable.BooleanAddressBits,
signalTable.NumericAddressBits,
packedInstructions));
}