/// <summary>
/// Copy constructor
/// </summary>
/// <param name="original">original object</param>
private SignalOutput(SignalOutput original)
{
if (!String.IsNullOrEmpty(original.m_Name))
{
Name = (string)original.Name.Clone();
}
m_LastState = m_Inputs[0].State;
m_Inputs[0].Delay = new NoDelay();
}
private void GenerateSignals()
{
m_SignalList.Clear();
//add a signal for all clocks
foreach (BaseElement element in m_Circuit)
{
Clock clock = element as Clock;
if (clock != null)
{
Signal clkSignal = new Signal();
clkSignal.IsReadOnly = true;
clkSignal.Name = element.Name;
m_SignalList.Add(clkSignal);
}
}
//add the stimuli
foreach (Signal signal in m_EditorSignals)
{
//Signal clone = signal.Clone() as Signal;
//clone.IsReadOnly = true;
//m_SignalList.Add(clone);
Signal inSignal = new Signal();
inSignal.IsReadOnly = true;
inSignal.Name = signal.Name;
m_SignalList.Add(inSignal);
}
//add a signal for all outputs
foreach (BaseElement element in m_Circuit)
{
SignalOutput output = element as SignalOutput;
if (output != null)
{
Signal outSignal = new Signal();
outSignal.IsReadOnly = true;
outSignal.Name = output.SignalName;
if (string.IsNullOrEmpty(outSignal.Name))
{
outSignal.Name = element.Name;
}
m_SignalList.Add(outSignal);
}
}
if (m_SignalList.IsConsistent == false)
{
m_SignalList.ForceConsistency();
}
}
private void ProcessSimulationStep()
{
//set the inputs appropriate
foreach (BaseElement element in m_Circuit)
{
SignalInput input = element as SignalInput;
if (input != null)
{
State state = input.Signal.GetStateAtStep(m_CurrentStep);
if (state == null)
{
if (m_LoopSimulation || m_CurrentStep < m_EditorSignals.MaxSignalLength)
{
throw new SimulationException(
String.Format("Missing State for Signal {0} at step {1}.",
input.SignalName, m_CurrentStep));
}
//else don't change the signal
}
else
{
input.State = state;
}
}
}
//perform an update
m_Circuit.Update();
foreach (BaseElement element in m_Circuit)
{
//get data from clocks
Clock clock = element as Clock;
if (clock != null)
{
AddStateToSignal(clock.Name, clock.State);
}
//get data from inputs
SignalInput input = element as SignalInput;
if (input != null)
{
AddStateToSignal(input.SignalName, input.State);
}
//get data from outputs
SignalOutput output = element as SignalOutput;
if (output != null)
{
string name = output.SignalName;
if (string.IsNullOrEmpty(name))
{
name = output.Name;
}
AddStateToSignal(name, output.State);
}
}
m_CurrentStep++;
if (m_LoopSimulation && m_CurrentStep >= m_EditorSignals.MaxSignalLength)
{
m_CurrentStep = 0;
foreach (Signal signal in m_SignalList)
{
signal.Clear();
}
}
}