public PcbPad(string number, PcbUnits coordinateUnits, double x, double y,
PcbLayer layer, PcbPadStyle style, string flags = null)
{
Number = number;
CoordinateUnits = coordinateUnits;
X = x;
Y = y;
Layer = layer;
Style = style;
Flags = flags;
}
private static PcbPadStyle DeterminePadStyle(PadStack.StackLine line,PcbUnits coordinateUnits)
{
PcbPadStyle style;
bool drilled = line.Arguments[(int)PadStack.StackLine.DependentArguments.DrillSize].Present;
switch (line.CurrentShape)
{
case PadStack.Shape.Round: //"Round" pads with drill argument are used for drilled pads (not annular pads!)
style = new PcbPadStyle(drilled ? PcbPadShape.CircularTH : PcbPadShape.CircularSMT,
coordinateUnits,line.Size,0,
drilled ? (double)line.Arguments[(int)PadStack.StackLine.DependentArguments.DrillSize].Value : 0);
break;
case PadStack.Shape.Square:
style = new PcbPadStyle(drilled ? PcbPadShape.RectangularTH : PcbPadShape.RectangularSMT,
coordinateUnits,line.Size,line.Size,
drilled ? (double)line.Arguments[(int)PadStack.StackLine.DependentArguments.DrillSize].Value : 0);
break;
case PadStack.Shape.Annular:
style = new PcbPadStyle(drilled ? PcbPadShape.CircularTH : PcbPadShape.CircularSMT,
coordinateUnits,line.Size,
(double)line.Arguments[(int)PadStack.StackLine.DependentArguments.InternalDiameter].Value,
drilled ? (double)line.Arguments[(int)PadStack.StackLine.DependentArguments.DrillSize].Value : 0);
break;
case PadStack.Shape.RectangularFinger:
style = new PcbPadStyle(PcbPadShape.RectangularSMT,coordinateUnits,line.Size,
(double)line.Arguments[(int)PadStack.StackLine.DependentArguments.FingerLength].Value);
WarningListener.Add(new NotImplementedException("Only Length argument is supported for RectangularFinger pad style!"));
break;
default:
throw new NotImplementedException(string.Format(
"Pad shape {0} ignored.",Enum.GetName(typeof(PadStack.Shape),line.CurrentShape)));
}
return(style);
}
private static void ProcessDecalPads(PcbDesign res,PcbUnits coordinateUnits,Partdecal decal)
{
//Terminals + padstacks = pads
PadStack defaultStack = decal.PadStacks.FirstOrDefault(x => x.PinDesignator == PadStack.AllTerminalsDesignator);
res.Pads.Capacity += decal.Terminals.Count;
foreach (var item in decal.Terminals)
{
var padstack = FindSuitablePadstack(decal,item,defaultStack);
if (padstack == null)
{
WarningListener.Add(new ArgumentException(),"Can't find a suitable padstack for the terminal #" + item.PinDesignator);
continue;
}
var drillLine = padstack.StackLines.FirstOrDefault(x => x.Arguments[(int)PadStack.StackLine.DependentArguments.DrillSize].Present);
if (drillLine != null)
{
//Detect drill-only holes
double d = (double)drillLine.Arguments[(int)PadStack.StackLine.DependentArguments.DrillSize].Value;
if (d >= drillLine.Size)
{
res.Pads.Add(new PcbPad(item.PinDesignator,coordinateUnits,item.X,item.Y,PcbLayer.Drill,
new PcbPadStyle(PcbPadShape.CircularTH,coordinateUnits,d,0,d)));
continue;
}
}
List <PadStack.StackLine> usefulLines =
padstack.StackLines.Where(x => (x.Size != 0 || x.Arguments.Any(y => y.Present))).ToList();
if (usefulLines.Count == 3) //Recognize layer "ALL"
{
//PADS requires minimum of 3 layers specified, 0x0 size indicates that the pad is not actually present
//If some stacklines have 0 size and no useful arguments (shape does not count), then we effectively have less stacklines
if (usefulLines.Select(x => x.Layer).Union(PadStack.AllLayerPattern).Count() == 3)
{
//Find layer that contains the most arguments (drill for example appears only for component-side layer)
int maxArgs = 0;
for (int i = 1; i < usefulLines.Count; i++)
{
if (usefulLines[maxArgs].Arguments.Count(x => x.Present) <
usefulLines[i].Arguments.Count(x => x.Present))
{
maxArgs = i;
}
}
res.Pads.Add(new PcbPad(item.PinDesignator,coordinateUnits,item.X,item.Y,PcbLayer.All,
DeterminePadStyle(usefulLines[maxArgs],coordinateUnits)));
continue;
}
}
//If this is not a special case, parse stacklines one-by-one
foreach (var line in usefulLines)
{
PcbPadStyle style = DeterminePadStyle(line,coordinateUnits);
PcbLayer layer = DeterminePcbLayer(line);
res.Pads.Add(new PcbPad(item.PinDesignator,coordinateUnits,item.X,item.Y,layer,style));
//-1 stands for both "Internal layers", but we can return only a single layer, so fix it afterwards
if (layer == PcbLayer.InternalBottom)
{
res.Pads.Add(new PcbPad(item.PinDesignator,coordinateUnits,item.X,item.Y,
PcbLayer.InternalTop,style));
}
}
}
}