1 files changed, 348 insertions, 0 deletions
diff --git a/hyp2mat/lib/hyperlynx.cc b/hyp2mat/lib/hyperlynx.cc
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+/*
+ * hyp2mat - convert hyperlynx files to matlab scripts
+ * Copyright 2012 Koen De Vleeschauwer.
+ *
+ * This file is part of hyp2mat.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/*
+ * HypFile is concerned with parsing the hyperlynx file, and contains many variables and methods 
+ * which are only of interest during parsing.
+ *
+ * Hyp2Mat is interested in presenting an uncluttered interface.
+ * 
+ * This is where data is passed on from HypFile to Hyp2Mat, from the obscure to the obvious.
+ */
+
+#include <iostream>
+#include <algorithm>
+
+#include "config.h"
+#include "hyperlynx.h"
+#include "polygon.h"
+#include "crop.h"
+
+HyperLynx::HyperLynx () 
+{
+  raw = false;
+  arc_precision = 0;
+  clearance = 0.0002;
+}
+
+
+/*
+ * Read a pcb in hyperlynx format
+ */
+
+void HyperLynx::Read (std::string filename, Hyp2Mat::PCB& pcb)
+{
+  /*
+   * load hyperlynx file in hyp_file 
+   */
+
+  bool success = LoadHypFile(pcb, filename, arc_precision);
+  if (!success) throw ("load hyp file error");
+
+  /*
+   * Copy hyperlynx file data from hyp_file to pcb
+   */
+  saved_bounds = bounds;
+  CopyBoard(pcb); /* copy board outline. crop board in x, y axis */
+
+  CopyStackUp(pcb); /* copy layer stackup */
+  bounds = AdjustBounds(pcb, saved_bounds);
+  CopyVias(pcb); /* copy vias */
+  CopyViaPlating(pcb); /* copy via plating thickness */
+  CopyDevices(pcb); /* copy device info */
+  CopyPins(pcb); /* copy pin references */
+
+  bounds = AdjustBounds(pcb, saved_bounds);
+  CropLayers(pcb, bounds); /* crop board in z axis */
+
+  if (bounds.z_min == bounds.z_max) std::cerr << "warning: zero height board" << std::endl;
+
+  /* 
+   * Check whether to print all net names 
+   */
+
+  /* if one of the nets is "?", print list of all nets */
+  if (std::find(nets.begin(), nets.end(), "?") != nets.end()) 
+    PrintNets();
+
+  return;
+}
+
+/*
+ * Load Hyperlynx file in hyp_file
+ */
+
+bool HyperLynx::LoadHypFile(Hyp2Mat::PCB& pcb, std::string filename, double arc_precision)
+{
+  hyp_file.trace_scanner = (pcb.debug == 4);
+  hyp_file.trace_parser = (pcb.debug == 3);
+  hyp_file.trace_hyp = (pcb.debug == 2);
+
+  if (pcb.debug != 0) {
+    std::cerr << "hyp2mat " << VERSION << " using ClipperLib " << CLIPPER_VERSION << std::endl;
+    }
+
+  if (arc_precision < 0) {
+    std::cerr << "arc precision negative" << std::endl;
+    arc_precision = 0;
+    }
+  hyp_file.arc_precision = arc_precision;
+
+  hyp_file.flood_layers = flood_layers;
+
+  bool success = hyp_file.load(filename);
+
+  if (pcb.debug == 1) {
+    std::cerr << "writing hyp_file dump to hyp_debug.txt" << std::endl;
+    hyp_file.save ("hyp_debug.txt");
+    }
+
+  return success;
+}
+
+/*
+ * copy board outline into polygon "board" and crop according to "bounds".
+ */
+
+void HyperLynx::CopyBoard(Hyp2Mat::PCB& pcb)
+{
+  bool outer_edge = true;
+
+  for (HypFile::PolygonList::iterator i = hyp_file.board.edge.begin(); i != hyp_file.board.edge.end(); ++i) {
+    Hyp2Mat::Polygon poly;
+    Hyp2Mat::FloatPolygon edge;
+    for (HypFile::PointList::iterator j = i->vertex.begin(); j != i->vertex.end(); ++j)
+      edge.push_back(Hyp2Mat::FloatPoint(j->x, j->y));
+    poly.AddEdge(edge);
+    if (outer_edge)
+      board.Union(poly);
+    else 
+      board.Difference(poly);
+    outer_edge = false;
+  }
+
+  /*
+   * Cropping - Remove board outside bounds
+   */
+
+  pcb.board = board.Result();         /* store intermediate result */
+  bounds = AdjustBounds(pcb, bounds); /* tighten bounds around board */
+  board = CropPolygon(board, bounds); /* crop board. store board as integer polygon */
+  pcb.board = board.Result();         /* board as floating point polygon */
+
+  return;
+}
+
+/*
+ * copy vias
+ */
+
+void HyperLynx::CopyVias(Hyp2Mat::PCB& pcb)
+{
+  for (HypFile::NetList::iterator i = hyp_file.net.begin(); i != hyp_file.net.end(); ++i) {
+
+    /* check if we're interested in this net. if no nets are specified, copy all nets */
+    bool net_wanted = nets.empty() || (std::find(nets.begin(), nets.end(), i->net_name) != nets.end());
+    if (!net_wanted) continue;
+
+    /* copy vias of current net */
+    for (HypFile::ViaList::iterator j = i->via.begin(); j != i->via.end(); ++j) {
+      Hyp2Mat::Via v;
+      v.x = j->x;
+      v.y = j->y;
+      v.z0 = j->z0;
+      v.z1 = j->z1;
+      v.radius = j->radius;
+
+      /* cropping */
+      if (!board.IsEmpty() && ((v.x > bounds.x_max) || (v.x < bounds.x_min) || (v.y > bounds.y_max) || (v.y < bounds.y_min))) continue; // Only crop in x and y if board outline is defined
+      if ((v.z0 > bounds.z_max) && (v.z1 > bounds.z_max)) continue;
+      if ((v.z0 < bounds.z_min) && (v.z1 < bounds.z_min)) continue;
+      if (v.z1 > bounds.z_max) v.z1 = bounds.z_max;
+      if (v.z0 < bounds.z_min) v.z0 = bounds.z_min;
+
+      /* add to list of vias */
+      pcb.via.push_back(v);
+      } 
+    }
+
+  return;
+}
+
+/* 
+ *  copy via plating
+ */
+
+void HyperLynx::CopyViaPlating(Hyp2Mat::PCB& pcb)
+{
+  /* assume via plating thickness is identical to outer plating thickness */
+  for (HypFile::LayerList::iterator l = hyp_file.stackup.begin(); l != hyp_file.stackup.end(); ++l) 
+    if (l->layer_type != HypFile::LAYER_DIELECTRIC) {
+      /* first metal layer */
+      pcb.via_plating_thickness = l->plating_thickness; 
+      break;
+      }
+
+  return;
+}
+
+/*
+ * copy devices
+ */
+
+void HyperLynx::CopyDevices(Hyp2Mat::PCB& pcb)
+{
+  for (HypFile::DeviceList::iterator i = hyp_file.device.begin(); i != hyp_file.device.end(); ++i) {
+    /* set up device */
+    Hyp2Mat::Device dev;
+    dev.ref = i->ref;
+    dev.name = i->name;
+    dev.layer_name = i->layer_name;
+
+    if (i->value_float_set) {
+      dev.value_float = i->value_float;
+      dev.value_type = Hyp2Mat::DEVICE_VALUE_FLOAT;
+      }
+    else if (i->value_string_set) {
+      dev.value_string = i->value_string;
+      dev.value_type = Hyp2Mat::DEVICE_VALUE_STRING;
+      }
+    else dev.value_type = Hyp2Mat::DEVICE_VALUE_NONE;
+
+    /* add device to board */
+    pcb.device.push_back(dev);
+    }
+  return;
+}
+
+/*
+ * copy pins
+ */
+
+void HyperLynx::CopyPins(Hyp2Mat::PCB& pcb)
+{
+  /* iterate over all pins */
+  for (HypFile::NetList::iterator i = hyp_file.net.begin(); i != hyp_file.net.end(); ++i) {
+
+    /* check if we're interested in this net. if no nets are specified, copy all nets */
+    bool net_wanted = nets.empty() || (std::find(nets.begin(), nets.end(), i->net_name) != nets.end());
+    if (!net_wanted) continue;
+
+    for (HypFile::PinList::iterator j = i->pin.begin(); j != i->pin.end(); ++j)
+      /* find pin padstack */  
+      for (HypFile::PadstackList::iterator p = hyp_file.padstack.begin(); p != hyp_file.padstack.end(); ++p)
+        if (p->padstack_name == j->padstack_name)
+          /* copy this pin */
+          CopyPin(pcb, *j, *p);
+    }
+
+  return;
+}
+
+/*
+ * copy a single pin
+ */
+
+void HyperLynx::CopyPin(Hyp2Mat::PCB& pcb, HypFile::Pin& pin, HypFile::Padstack& padstack)
+{
+  Hyp2Mat::Pin new_pin;
+  new_pin.x = Hyp2Mat::Polygon::AlignToGrid(pin.x);
+  new_pin.y = Hyp2Mat::Polygon::AlignToGrid(pin.y);
+  new_pin.ref = pin.pin_reference;
+
+  HypFile::Pad pad;
+
+  std::string layer_name;
+
+  /* now find pad */
+
+  /* how many layers does the padstack have? */
+  if (padstack.pads.size() == 1) {
+    /* only a single layer: that's easy */
+    pad = padstack.pads.front();
+    }
+  else {
+    /* determine pin device name */
+    size_t found = pin.pin_reference.find('.');
+    if ((found == std::string::npos) || (found == 0)) return; /* device not found */
+    std::string device_name = pin.pin_reference.substr(0, found);
+
+    /* find device pin belongs to */
+    bool device_found = false;
+    for (Hyp2Mat::DeviceList::iterator i = pcb.device.begin(); i != pcb.device.end(); ++i) 
+      if (device_name == i->ref) {
+        device_found = true;
+        layer_name = i->layer_name; /* device layer */
+        }
+    if (!device_found) return;
+  
+    /* we now know the device layer. Find this layer in the pin padstack. */
+    bool pad_found = false;
+    for (HypFile::PadList::iterator p = padstack.pads.begin(); p != padstack.pads.end(); ++p)
+      if (p->layer_name == layer_name) {
+        pad_found = true;
+        pad = *p;
+        }
+    if (!pad_found) return;
+    }
+
+  /* find layer vertical position */
+  for (Hyp2Mat::LayerList::iterator l = pcb.stackup.begin(); l != pcb.stackup.end(); ++l) 
+    if (pad.layer_name == l->layer_name) {
+      new_pin.layer_name = l->layer_name;
+      new_pin.z0 = l->z0;
+      new_pin.z1 = l->z1;
+      }
+
+  /* convert pad to polygon, and copy pad shape */
+  HypFile::Polygon pad_poly = hyp_file.pad2poly(new_pin.x, new_pin.y, pad);
+  new_pin.metal.clear();
+  for (HypFile::PointList::iterator j = pad_poly.vertex.begin(); j != pad_poly.vertex.end(); ++j)
+      new_pin.metal.push_back(Hyp2Mat::FloatPoint(Hyp2Mat::Polygon::AlignToGrid(j->x), Hyp2Mat::Polygon::AlignToGrid(j->y)));
+  
+  /* add pin to pcb */
+  pcb.pin.push_back(new_pin);
+    
+  return;
+}
+
+/*
+ * Print all available nets
+ */
+
+void HyperLynx::PrintNets()
+{
+  std::vector<std::string> net_names;
+
+  for (HypFile::NetList::iterator i = hyp_file.net.begin(); i != hyp_file.net.end(); ++i)
+    net_names.push_back(i->net_name);
+ 
+  sort(net_names.begin(), net_names.end()); 
+  unique(net_names.begin(), net_names.end());
+
+  std::cout << "nets:";
+  for (std::vector<std::string>::iterator i = net_names.begin(); i != net_names.end(); ++i)
+    std::cout << " " << *i;
+  std::cout << std::endl;
+    
+  return;
+}
+
+/* not truncated */