/// <summary>
/// Generates a node for the state label
/// </summary>
/// <param name="label"></param>
/// <param name="pos_X"></param>
/// <param name="pos_Y"></param>
/// <returns></returns>
public void AddSubgraphNode(
GraphViz.Graph graph,
DFBState dfbState,
DFBStateFrame dfbStateFrame,
double?pos_X,
double?pos_Y)
{
// State prior to current frame gives the beginning values for ACU when label was entered
DFBStateFrame dfbStateFrameBegValues = dfbState.StatePrior(dfbStateFrame.Cycle);
var shapeName = dfbStateFrame.CodeStateCycle.UniqueName;
var node = CreateNode(dfbStateFrame, pos_X, pos_Y, dfbStateFrameBegValues, shapeName);
graph.Subgraphs
.Where(x => x.Tag.ToString() == dfbStateFrame.CodeStateCycle.Label)
.FirstOrDefault()
.Nodes.Add(node);
// Add edge for ACU change from one label call to the next
AddEdges(graph, dfbState, dfbStateFrame, dfbStateFrameBegValues, shapeName);
}
/// <summary>
/// Adds edge connections between labels, and for the change in ACU address between calls to the same label
/// </summary>
/// <param name="graph"></param>
/// <param name="dfbState"></param>
/// <param name="dfbStateFrame"></param>
/// <param name="dfbStateFrameBegValues"></param>
/// <param name="shapeName"></param>
private void AddEdges(
GraphViz.Graph graph,
DFBState dfbState,
DFBStateFrame dfbStateFrame,
DFBStateFrame dfbStateFrameBegValues,
string shapeName)
{
// State prior to this label's last execution gives the prior beginning values for ACU when label was entered
DFBStateFrame dfbStateFramePriorBegValues = null;
var statePriorSameLabel = dfbState.StatePriorSameLabel(dfbStateFrame.Cycle);
if (statePriorSameLabel != null)
{
var sameLabelPriorCycleNbr = statePriorSameLabel.Cycle;
dfbStateFramePriorBegValues = dfbState.StatePrior(sameLabelPriorCycleNbr);
}
// State following current frame gives connection target
var dfbStateFrameNext = dfbState.StateNext(dfbStateFrame.Cycle);
if (dfbStateFrameNext == null)
{
return;
}
var shapeNameNext = dfbStateFrameNext.CodeStateCycle.UniqueName;
// label
var labels = new List <string>();
var state = dfbStateFrame.CodeStateCycle.CodeState.State;
var fallThrough = true;
if (state.AcuAEQ == 1 && dfbStateFrame.JumpConditions.AcuAEQ)
{
labels.Add("AcuAEQ");
fallThrough = false;
}
if (state.AcuBEQ == 1 && dfbStateFrame.JumpConditions.AcuBEQ)
{
labels.Add("AcuBEQ");
fallThrough = false;
}
if (state.DpEQ == 1 && dfbStateFrame.JumpConditions.DpEQ)
{
labels.Add("DpEQ");
fallThrough = false;
}
if (state.DpSign == 1 && dfbStateFrame.JumpConditions.DpSign)
{
labels.Add("DpSign");
fallThrough = false;
}
if (state.DpThresh == 1 && dfbStateFrame.JumpConditions.DpThresh)
{
labels.Add("DpThresh");
fallThrough = false;
}
if (state.In1 == 1 && dfbStateFrame.JumpConditions.In1)
{
labels.Add("In1");
fallThrough = false;
}
if (state.In2 == 1 && dfbStateFrame.JumpConditions.In2)
{
labels.Add("In2");
fallThrough = false;
}
if (state.Sat == 1 && dfbStateFrame.JumpConditions.Sat)
{
labels.Add("Sat");
fallThrough = false;
}
if (fallThrough)
{
labels.Add("false");
}
var edge = new GraphViz.Edge();
graph.Edges.Add(edge);
edge.Connections.AddRange(new string[]
{
shapeName,
shapeNameNext
});
edge.EdgeAttributes.style = GraphViz.Style.Edge.solid;
edge.EdgeAttributes.color = KnownColor.ForestGreen;
edge.EdgeAttributes.arrowhead = GraphViz.ArrowType.normal;
edge.EdgeAttributes.arrowtail = GraphViz.ArrowType.inv;
edge.EdgeAttributes.label = new GraphViz.escString(String.Join(" ", labels));
// Add connection for ACU delta from prior call of same label
if (dfbStateFramePriorBegValues != null && statePriorSameLabel != null)
{
// Determine ACU reg address changes from last time this label was executed
var shapeNamePriorCall = statePriorSameLabel.CodeStateCycle.UniqueName;
Func <int, int, string> sign = delegate(int curr, int prior)
{
if (prior < curr)
{
return("+");
}
else
{
return("");
}
};
var sb = new StringBuilder();
var acuABeg = (int)dfbStateFrameBegValues.ACU_A.Reg_reg.Value;
var acuABegPrior = (int)dfbStateFramePriorBegValues.ACU_A.Reg_reg.Value;
var acuABegChange = acuABeg - acuABegPrior;
if (acuABegChange != 0)
{
sb.AppendFormat("\\nACU_A Chg: {0}{1}",
sign(acuABeg, acuABegPrior),
acuABegChange.ToString());
}
var acuBBeg = (int)dfbStateFrameBegValues.ACU_B.Reg_reg.Value;
var acuBBegPrior = (int)dfbStateFramePriorBegValues.ACU_B.Reg_reg.Value;
var acuBBegChange = acuBBeg - acuBBegPrior;
if (acuBBegChange != 0)
{
if (acuABegChange != 0)
{
sb.AppendLine("");
}
sb.AppendFormat("\\nACU_B Chg: {0}{1}",
sign(acuBBeg, acuBBegPrior),
acuBBegChange.ToString());
}
edge = new GraphViz.Edge();
graph.Edges.Add(edge);
edge.Connections.AddRange(new string[]
{
shapeNamePriorCall,
shapeName
});
edge.EdgeAttributes.color = KnownColor.Gray;
edge.EdgeAttributes.weight = 0.5f;
edge.EdgeAttributes.style = GraphViz.Style.Edge.dashed;
edge.EdgeAttributes.arrowhead = GraphViz.ArrowType.none;
edge.EdgeAttributes.arrowtail = GraphViz.ArrowType.none;
edge.EdgeAttributes.headlabel = new GraphViz.escString(sb.ToString());
edge.EdgeAttributes.labeldistance = 0.6f;
}
}