/* * This program source code file is part of KiCad, a free EDA CAD application. * * Copyright (C) 2016 Jean-Pierre Charras, jean-pierre.charras@ujf-grenoble.fr * Copyright (C) 2012 SoftPLC Corporation, Dick Hollenbeck * Copyright (C) 2012 Wayne Stambaugh * Copyright (C) 1992-2016 KiCad Developers, see AUTHORS.txt for contributors. * * 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 2 * 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, you may find one here: * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html * or you may search the http://www.gnu.org website for the version 2 license, * or you may write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA */ /** * @file export_gencad.cpp * @brief Export GenCAD 1.4 format. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include static bool CreateHeaderInfoData( FILE* aFile, PCB_EDIT_FRAME* frame ); static void CreateArtworksSection( FILE* aFile ); static void CreateTracksInfoData( FILE* aFile, BOARD* aPcb ); static void CreateBoardSection( FILE* aFile, BOARD* aPcb ); static void CreateComponentsSection( FILE* aFile, BOARD* aPcb ); static void CreateDevicesSection( FILE* aFile, BOARD* aPcb ); static void CreateRoutesSection( FILE* aFile, BOARD* aPcb ); static void CreateSignalsSection( FILE* aFile, BOARD* aPcb ); static void CreateShapesSection( FILE* aFile, BOARD* aPcb ); static void CreatePadsShapesSection( FILE* aFile, BOARD* aPcb ); static void FootprintWriteShape( FILE* File, MODULE* module, const wxString& aShapeName ); // layer names for Gencad export #if 0 // was: static const wxString GenCADLayerName[] = { wxT( "BOTTOM" ), wxT( "INNER1" ), wxT( "INNER2" ), wxT( "INNER3" ), wxT( "INNER4" ), wxT( "INNER5" ), wxT( "INNER6" ), wxT( "INNER7" ), wxT( "INNER8" ), wxT( "INNER9" ), wxT( "INNER10" ), wxT( "INNER11" ), wxT( "INNER12" ), wxT( "INNER13" ), wxT( "INNER14" ), wxT( "TOP" ), wxT( "LAYER17" ), wxT( "LAYER18" ), wxT( "SOLDERPASTE_BOTTOM" ), wxT( "SOLDERPASTE_TOP" ), wxT( "SILKSCREEN_BOTTOM" ), wxT( "SILKSCREEN_TOP" ), wxT( "SOLDERMASK_BOTTOM" ), wxT( "SOLDERMASK_TOP" ), wxT( "LAYER25" ), wxT( "LAYER26" ), wxT( "LAYER27" ), wxT( "LAYER28" ), wxT( "LAYER29" ), wxT( "LAYER30" ), wxT( "LAYER31" ), wxT( "LAYER32" ) }; // flipped layer name for Gencad export (to make CAM350 imports correct) static const wxString GenCADLayerNameFlipped[32] = { wxT( "TOP" ), wxT( "INNER14" ), wxT( "INNER13" ), wxT( "INNER12" ), wxT( "INNER11" ), wxT( "INNER10" ), wxT( "INNER9" ), wxT( "INNER8" ), wxT( "INNER7" ), wxT( "INNER6" ), wxT( "INNER5" ), wxT( "INNER4" ), wxT( "INNER3" ), wxT( "INNER2" ), wxT( "INNER1" ), wxT( "BOTTOM" ), wxT( "LAYER17" ), wxT( "LAYER18" ), wxT( "SOLDERPASTE_TOP" ), wxT( "SOLDERPASTE_BOTTOM" ), wxT( "SILKSCREEN_TOP" ), wxT( "SILKSCREEN_BOTTOM" ), wxT( "SOLDERMASK_TOP" ), wxT( "SOLDERMASK_BOTTOM" ), wxT( "LAYER25" ), wxT( "LAYER26" ), wxT( "LAYER27" ), wxT( "LAYER28" ), wxT( "LAYER29" ), wxT( "LAYER30" ), wxT( "LAYER31" ), wxT( "LAYER32" ) }; #else static std::string GenCADLayerName( int aCuCount, PCB_LAYER_ID aId ) { if( IsCopperLayer( aId ) ) { if( aId == F_Cu ) return "TOP"; else if( aId == B_Cu ) return "BOTTOM"; else if( aId <= 14 ) { return StrPrintf( "INNER%d", aCuCount - aId - 1 ); } else { return StrPrintf( "LAYER%d", aId ); } } else { const char* txt; // using a switch to clearly show mapping & catch out of bounds index. switch( aId ) { // Technicals case B_Adhes: txt = "B.Adhes"; break; case F_Adhes: txt = "F.Adhes"; break; case B_Paste: txt = "SOLDERPASTE_BOTTOM"; break; case F_Paste: txt = "SOLDERPASTE_TOP"; break; case B_SilkS: txt = "SILKSCREEN_BOTTOM"; break; case F_SilkS: txt = "SILKSCREEN_TOP"; break; case B_Mask: txt = "SOLDERMASK_BOTTOM"; break; case F_Mask: txt = "SOLDERMASK_TOP"; break; // Users case Dwgs_User: txt = "Dwgs.User"; break; case Cmts_User: txt = "Cmts.User"; break; case Eco1_User: txt = "Eco1.User"; break; case Eco2_User: txt = "Eco2.User"; break; case Edge_Cuts: txt = "Edge.Cuts"; break; case Margin: txt = "Margin"; break; // Footprint case F_CrtYd: txt = "F_CrtYd"; break; case B_CrtYd: txt = "B_CrtYd"; break; case F_Fab: txt = "F_Fab"; break; case B_Fab: txt = "B_Fab"; break; default: wxASSERT_MSG( 0, wxT( "aId UNEXPECTED" ) ); txt = "BAD-INDEX!"; break; } return txt; } } static const PCB_LAYER_ID gc_seq[] = { B_Cu, In30_Cu, In29_Cu, In28_Cu, In27_Cu, In26_Cu, In25_Cu, In24_Cu, In23_Cu, In22_Cu, In21_Cu, In20_Cu, In19_Cu, In18_Cu, In17_Cu, In16_Cu, In15_Cu, In14_Cu, In13_Cu, In12_Cu, In11_Cu, In10_Cu, In9_Cu, In8_Cu, In7_Cu, In6_Cu, In5_Cu, In4_Cu, In3_Cu, In2_Cu, In1_Cu, F_Cu, }; // flipped layer name for Gencad export (to make CAM350 imports correct) static std::string GenCADLayerNameFlipped( int aCuCount, PCB_LAYER_ID aId ) { if( 1<= aId && aId <= 14 ) { return StrPrintf( "INNER%d", 14 - aId ); } return GenCADLayerName( aCuCount, aId ); } static wxString escapeString( const wxString& aString ) { wxString copy( aString ); copy.Replace( "\"", "\\\"" ); return copy; } #endif static std::string fmt_mask( LSET aSet ) { #if 0 return aSet.FmtHex(); #else return StrPrintf( "%08x", (unsigned) ( aSet & LSET::AllCuMask() ).to_ulong() ); #endif } // Export options static bool flipBottomPads; static bool uniquePins; static bool individualShapes; static bool storeOriginCoords; // These are the export origin (the auxiliary axis) static int GencadOffsetX, GencadOffsetY; // Association between shape names (using shapeName index) and components static std::map componentShapes; static std::map shapeNames; static const wxString& getShapeName( MODULE* aModule ) { static const wxString invalid( "invalid" ); if( individualShapes ) return aModule->GetReference(); auto itShape = componentShapes.find( aModule ); wxCHECK( itShape != componentShapes.end(), invalid ); auto itName = shapeNames.find( itShape->second ); wxCHECK( itName != shapeNames.end(), invalid ); return itName->second; } // GerbTool chokes on units different than INCH so this is the conversion factor const static double SCALE_FACTOR = 1000.0 * IU_PER_MILS; /* Two helper functions to calculate coordinates of modules in gencad values * (GenCAD Y axis from bottom to top) */ static double MapXTo( int aX ) { return (aX - GencadOffsetX) / SCALE_FACTOR; } static double MapYTo( int aY ) { return (GencadOffsetY - aY) / SCALE_FACTOR; } /* Driver function: processing starts here */ void PCB_EDIT_FRAME::ExportToGenCAD( wxCommandEvent& aEvent ) { DIALOG_GENCAD_EXPORT_OPTIONS optionsDialog( this ); if( optionsDialog.ShowModal() == wxID_CANCEL ) return; FILE* file = wxFopen( optionsDialog.GetFileName(), "wt" ); if( !file ) { DisplayError( this, wxString::Format( _( "Unable to create \"%s\"" ), GetChars( optionsDialog.GetFileName() ) ) ); return; } // Get options flipBottomPads = optionsDialog.GetOption( FLIP_BOTTOM_PADS ); uniquePins = optionsDialog.GetOption( UNIQUE_PIN_NAMES ); individualShapes = optionsDialog.GetOption( INDIVIDUAL_SHAPES ); storeOriginCoords = optionsDialog.GetOption( STORE_ORIGIN_COORDS ); // Switch the locale to standard C (needed to print floating point numbers) LOCALE_IO toggle; // Update some board data, to ensure a reliable gencad export GetBoard()->ComputeBoundingBox(); // Save the auxiliary origin for the rest of the module GencadOffsetX = optionsDialog.GetOption( USE_AUX_ORIGIN ) ? GetAuxOrigin().x : 0; GencadOffsetY = optionsDialog.GetOption( USE_AUX_ORIGIN ) ? GetAuxOrigin().y : 0; // No idea on *why* this should be needed... maybe to fix net names? Compile_Ratsnest( NULL, true ); /* Temporary modification of footprints that are flipped (i.e. on bottom * layer) to convert them to non flipped footprints. * This is necessary to easily export shapes to GenCAD, * that are given as normal orientation (non flipped, rotation = 0)) * these changes will be undone later */ BOARD* pcb = GetBoard(); MODULE* module; for( module = pcb->m_Modules; module; module = module->Next() ) { module->SetFlag( 0 ); if( module->GetLayer() == B_Cu ) { module->Flip( module->GetPosition() ); module->SetFlag( 1 ); } } /* Gencad has some mandatory and some optional sections: some importer * need the padstack section (which is optional) anyway. Also the * order of the section *is* important */ CreateHeaderInfoData( file, this ); // Gencad header CreateBoardSection( file, pcb ); // Board perimeter CreatePadsShapesSection( file, pcb ); // Pads and padstacks CreateArtworksSection( file ); // Empty but mandatory /* Gencad splits a component info in shape, component and device. * We don't do any sharing (it would be difficult since each module is * customizable after placement) */ CreateShapesSection( file, pcb ); CreateComponentsSection( file, pcb ); CreateDevicesSection( file, pcb ); // In a similar way the netlist is split in net, track and route CreateSignalsSection( file, pcb ); CreateTracksInfoData( file, pcb ); CreateRoutesSection( file, pcb ); fclose( file ); // Undo the footprints modifications (flipped footprints) for( module = pcb->m_Modules; module; module = module->Next() ) { if( module->GetFlag() ) { module->Flip( module->GetPosition() ); module->SetFlag( 0 ); } } componentShapes.clear(); shapeNames.clear(); } // Comparator for sorting pads with qsort static int PadListSortByShape( const void* aRefptr, const void* aObjptr ) { const D_PAD* padref = *(D_PAD**) aRefptr; const D_PAD* padcmp = *(D_PAD**) aObjptr; return D_PAD::Compare( padref, padcmp ); } // Sort vias for uniqueness static int ViaSort( const void* aRefptr, const void* aObjptr ) { VIA* padref = *(VIA**) aRefptr; VIA* padcmp = *(VIA**) aObjptr; if( padref->GetWidth() != padcmp->GetWidth() ) return padref->GetWidth() - padcmp->GetWidth(); if( padref->GetDrillValue() != padcmp->GetDrillValue() ) return padref->GetDrillValue() - padcmp->GetDrillValue(); if( padref->GetLayerSet() != padcmp->GetLayerSet() ) return padref->GetLayerSet().FmtBin().compare( padcmp->GetLayerSet().FmtBin() ); return 0; } // The ARTWORKS section is empty but (officially) mandatory static void CreateArtworksSection( FILE* aFile ) { /* The artworks section is empty */ fputs( "$ARTWORKS\n", aFile ); fputs( "$ENDARTWORKS\n\n", aFile ); } // Emit PADS and PADSTACKS. They are sorted and emitted uniquely. // Via name is synthesized from their attributes, pads are numbered static void CreatePadsShapesSection( FILE* aFile, BOARD* aPcb ) { std::vector pads; std::vector padstacks; std::vector vias; std::vector viastacks; padstacks.resize( 1 ); // We count pads from 1 // The master layermask (i.e. the enabled layers) for padstack generation LSET master_layermask = aPcb->GetDesignSettings().GetEnabledLayers(); int cu_count = aPcb->GetCopperLayerCount(); fputs( "$PADS\n", aFile ); // Enumerate and sort the pads if( aPcb->GetPadCount() > 0 ) { pads = aPcb->GetPads(); qsort( &pads[0], aPcb->GetPadCount(), sizeof( D_PAD* ), PadListSortByShape ); } // The same for vias for( VIA* via = GetFirstVia( aPcb->m_Track ); via; via = GetFirstVia( via->Next() ) ) { vias.push_back( via ); } qsort( &vias[0], vias.size(), sizeof(VIA*), ViaSort ); // Emit vias pads TRACK* old_via = 0; for( unsigned i = 0; i < vias.size(); i++ ) { VIA* via = vias[i]; if( old_via && 0 == ViaSort( &old_via, &via ) ) continue; old_via = via; viastacks.push_back( via ); fprintf( aFile, "PAD V%d.%d.%s ROUND %g\nCIRCLE 0 0 %g\n", via->GetWidth(), via->GetDrillValue(), fmt_mask( via->GetLayerSet() & master_layermask ).c_str(), via->GetDrillValue() / SCALE_FACTOR, via->GetWidth() / (SCALE_FACTOR * 2) ); } // Emit component pads D_PAD* old_pad = 0; int pad_name_number = 0; for( unsigned i = 0; iGetOffset(); pad->SetSubRatsnest( pad_name_number ); if( old_pad && 0==D_PAD::Compare( old_pad, pad ) ) continue; // already created old_pad = pad; pad_name_number++; pad->SetSubRatsnest( pad_name_number ); fprintf( aFile, "PAD P%d", pad->GetSubRatsnest() ); padstacks.push_back( pad ); // Will have its own padstack later int dx = pad->GetSize().x / 2; int dy = pad->GetSize().y / 2; switch( pad->GetShape() ) { default: wxASSERT_MSG( false, "Pad type not implemented" ); // fall-through case PAD_SHAPE_CIRCLE: fprintf( aFile, " ROUND %g\n", pad->GetDrillSize().x / SCALE_FACTOR ); /* Circle is center, radius */ fprintf( aFile, "CIRCLE %g %g %g\n", off.x / SCALE_FACTOR, -off.y / SCALE_FACTOR, pad->GetSize().x / (SCALE_FACTOR * 2) ); break; case PAD_SHAPE_RECT: fprintf( aFile, " RECTANGULAR %g\n", pad->GetDrillSize().x / SCALE_FACTOR ); // Rectangle is begin, size *not* begin, end! fprintf( aFile, "RECTANGLE %g %g %g %g\n", (-dx + off.x ) / SCALE_FACTOR, (-dy - off.y ) / SCALE_FACTOR, dx / (SCALE_FACTOR / 2), dy / (SCALE_FACTOR / 2) ); break; case PAD_SHAPE_ROUNDRECT: case PAD_SHAPE_OVAL: { const wxSize& size = pad->GetSize(); int radius; if( pad->GetShape() == PAD_SHAPE_ROUNDRECT ) radius = pad->GetRoundRectCornerRadius(); else radius = std::min( size.x, size.y ) / 2; int lineX = size.x / 2 - radius; int lineY = size.y / 2 - radius; fprintf( aFile, " POLYGON %g\n", pad->GetDrillSize().x / SCALE_FACTOR ); // bottom left arc fprintf( aFile, "ARC %g %g %g %g %g %g\n", ( off.x - lineX - radius ) / SCALE_FACTOR, ( -off.y - lineY ) / SCALE_FACTOR, ( off.x - lineX ) / SCALE_FACTOR, ( -off.y - lineY - radius ) / SCALE_FACTOR, ( off.x - lineX ) / SCALE_FACTOR, ( -off.y - lineY ) / SCALE_FACTOR ); // bottom line if( lineX > 0 ) { fprintf( aFile, "LINE %g %g %g %g\n", ( off.x - lineX ) / SCALE_FACTOR, ( -off.y - lineY - radius ) / SCALE_FACTOR, ( off.x + lineX ) / SCALE_FACTOR, ( -off.y - lineY - radius ) / SCALE_FACTOR ); } // bottom right arc fprintf( aFile, "ARC %g %g %g %g %g %g\n", ( off.x + lineX ) / SCALE_FACTOR, ( -off.y - lineY - radius ) / SCALE_FACTOR, ( off.x + lineX + radius ) / SCALE_FACTOR, ( -off.y - lineY ) / SCALE_FACTOR, ( off.x + lineX ) / SCALE_FACTOR, ( -off.y - lineY ) / SCALE_FACTOR ); // right line if( lineY > 0 ) { fprintf( aFile, "LINE %g %g %g %g\n", ( off.x + lineX + radius ) / SCALE_FACTOR, ( -off.y + lineY ) / SCALE_FACTOR, ( off.x + lineX + radius ) / SCALE_FACTOR, ( -off.y - lineY ) / SCALE_FACTOR ); } // top right arc fprintf( aFile, "ARC %g %g %g %g %g %g\n", ( off.x + lineX + radius ) / SCALE_FACTOR, ( -off.y + lineY ) / SCALE_FACTOR, ( off.x + lineX ) / SCALE_FACTOR, ( -off.y + lineY + radius ) / SCALE_FACTOR, ( off.x + lineX ) / SCALE_FACTOR, ( -off.y + lineY ) / SCALE_FACTOR ); // top line if( lineX > 0 ) { fprintf( aFile, "LINE %g %g %g %g\n" , ( off.x - lineX ) / SCALE_FACTOR, ( -off.y + lineY + radius ) / SCALE_FACTOR, ( off.x + lineX ) / SCALE_FACTOR, ( -off.y + lineY + radius ) / SCALE_FACTOR ); } // top left arc fprintf( aFile, "ARC %g %g %g %g %g %g\n", ( off.x - lineX ) / SCALE_FACTOR, ( -off.y + lineY + radius ) / SCALE_FACTOR, ( off.x - lineX - radius ) / SCALE_FACTOR, ( -off.y + lineY ) / SCALE_FACTOR, ( off.x - lineX ) / SCALE_FACTOR, ( -off.y + lineY ) / SCALE_FACTOR ); // left line if( lineY > 0 ) { fprintf( aFile, "LINE %g %g %g %g\n", ( off.x - lineX - radius ) / SCALE_FACTOR, ( -off.y - lineY ) / SCALE_FACTOR, ( off.x - lineX - radius ) / SCALE_FACTOR, ( -off.y + lineY ) / SCALE_FACTOR ); } } break; case PAD_SHAPE_TRAPEZOID: { fprintf( aFile, " POLYGON %g\n", pad->GetDrillSize().x / SCALE_FACTOR ); wxPoint poly[4]; pad->BuildPadPolygon( poly, wxSize( 0, 0 ), 0 ); for( int cur = 0; cur < 4; ++cur ) { int next = ( cur + 1 ) % 4; fprintf( aFile, "LINE %g %g %g %g\n", ( off.x + poly[cur].x ) / SCALE_FACTOR, ( -off.y - poly[cur].y ) / SCALE_FACTOR, ( off.x + poly[next].x ) / SCALE_FACTOR, ( -off.y - poly[next].y ) / SCALE_FACTOR ); } } break; case PAD_SHAPE_CUSTOM: { fprintf( aFile, " POLYGON %g\n", pad->GetDrillSize().x / SCALE_FACTOR ); const SHAPE_POLY_SET& outline = pad->GetCustomShapeAsPolygon(); for( int jj = 0; jj < outline.OutlineCount(); ++jj ) { const SHAPE_LINE_CHAIN& poly = outline.COutline( jj ); int pointCount = poly.PointCount(); for( int ii = 0; ii < pointCount; ii++ ) { int next = ( ii + 1 ) % pointCount; fprintf( aFile, "LINE %g %g %g %g\n", ( off.x + poly.CPoint( ii ).x ) / SCALE_FACTOR, ( -off.y - poly.CPoint( ii ).y ) / SCALE_FACTOR, ( off.x + poly.CPoint( next ).x ) / SCALE_FACTOR, ( -off.y - poly.CPoint( next ).y ) / SCALE_FACTOR ); } } } break; } } fputs( "\n$ENDPADS\n\n", aFile ); // Now emit the padstacks definitions, using the combined layer masks fputs( "$PADSTACKS\n", aFile ); // Via padstacks for( unsigned i = 0; i < viastacks.size(); i++ ) { VIA* via = viastacks[i]; LSET mask = via->GetLayerSet() & master_layermask; fprintf( aFile, "PADSTACK VIA%d.%d.%s %g\n", via->GetWidth(), via->GetDrillValue(), fmt_mask( mask ).c_str(), via->GetDrillValue() / SCALE_FACTOR ); for( LSEQ seq = mask.Seq( gc_seq, DIM( gc_seq ) ); seq; ++seq ) { PCB_LAYER_ID layer = *seq; fprintf( aFile, "PAD V%d.%d.%s %s 0 0\n", via->GetWidth(), via->GetDrillValue(), fmt_mask( mask ).c_str(), GenCADLayerName( cu_count, layer ).c_str() ); } } /* Component padstacks * Older versions of CAM350 don't apply correctly the FLIP semantics for * padstacks, i.e. doesn't swap the top and bottom layers... so I need to * define the shape as MIRRORX and define a separate 'flipped' padstack... * until it appears yet another noncompliant importer */ for( unsigned i = 1; i < padstacks.size(); i++ ) { D_PAD* pad = padstacks[i]; // Straight padstack fprintf( aFile, "PADSTACK PAD%u %g\n", i, pad->GetDrillSize().x / SCALE_FACTOR ); LSET pad_set = pad->GetLayerSet() & master_layermask; // the special gc_seq for( LSEQ seq = pad_set.Seq( gc_seq, DIM( gc_seq ) ); seq; ++seq ) { PCB_LAYER_ID layer = *seq; fprintf( aFile, "PAD P%u %s 0 0\n", i, GenCADLayerName( cu_count, layer ).c_str() ); } // Flipped padstack if( flipBottomPads ) { fprintf( aFile, "PADSTACK PAD%uF %g\n", i, pad->GetDrillSize().x / SCALE_FACTOR ); // the normal PCB_LAYER_ID sequence is inverted from gc_seq[] for( LSEQ seq = pad_set.Seq(); seq; ++seq ) { PCB_LAYER_ID layer = *seq; fprintf( aFile, "PAD P%u %s 0 0\n", i, GenCADLayerNameFlipped( cu_count, layer ).c_str() ); } } } fputs( "$ENDPADSTACKS\n\n", aFile ); } /// Compute hashes for modules without taking into account their position, rotation or layer static size_t hashModule( const MODULE* aModule ) { size_t ret = 0x11223344; constexpr int flags = HASH_FLAGS::POSITION | HASH_FLAGS::REL_COORD | HASH_FLAGS::ROTATION | HASH_FLAGS::LAYER; for( const BOARD_ITEM* i = aModule->GraphicalItemsList(); i; i = i->Next() ) ret ^= hash_eda( i, flags ); for( const D_PAD* i = aModule->PadsList(); i; i = i->Next() ) ret ^= hash_eda( i, flags ); return ret; } /* Creates the footprint shape list. * Since module shape is customizable after the placement we cannot share them; * instead we opt for the one-module-one-shape-one-component-one-device approach */ static void CreateShapesSection( FILE* aFile, BOARD* aPcb ) { MODULE* module; D_PAD* pad; const char* layer; wxString pinname; const char* mirror = "0"; std::map shapes; fputs( "$SHAPES\n", aFile ); for( module = aPcb->m_Modules; module; module = module->Next() ) { if( !individualShapes ) { // Check if such shape has been already generated, and if so - reuse it // It is necessary to compute hash (i.e. check all children objects) as // certain components instances might have been modified on the board. // In such case the shape will be different despite the same LIB_ID. wxString shapeName = module->GetFPID().Format(); auto shapeIt = shapes.find( shapeName ); size_t modHash = hashModule( module ); if( shapeIt != shapes.end() ) { if( modHash != shapeIt->second ) { // there is an entry for this footprint, but it has a modified shape, // so we need to create a new entry wxString newShapeName; int suffix = 0; // find an unused name or matching entry do { newShapeName = wxString::Format( "%s_%d", shapeName, suffix ); shapeIt = shapes.find( newShapeName ); ++suffix; } while( shapeIt != shapes.end() && shapeIt->second != modHash ); shapeName = newShapeName; } if( shapeIt != shapes.end() && modHash == shapeIt->second ) { // shape found, so reuse it componentShapes[module] = modHash; continue; } } // new shape componentShapes[module] = modHash; shapeNames[modHash] = shapeName; shapes[shapeName] = modHash; FootprintWriteShape( aFile, module, shapeName ); } else // individual shape for each component { FootprintWriteShape( aFile, module, module->GetReference() ); } // set of already emitted pins to check for duplicates std::set pins; for( pad = module->PadsList(); pad; pad = pad->Next() ) { /* Padstacks are defined using the correct layers for the pads, therefore to * all pads need to be marked as TOP to use the padstack information correctly. */ layer = "TOP"; pinname = pad->GetName(); if( pinname.IsEmpty() ) pinname = wxT( "none" ); if( uniquePins ) { int suffix = 0; wxString origPinname( pinname ); auto it = pins.find( pinname ); while( it != pins.end() ) { pinname = wxString::Format( "%s_%d", origPinname, suffix ); ++suffix; it = pins.find( pinname ); } pins.insert( pinname ); } double orient = pad->GetOrientation() - module->GetOrientation(); NORMALIZE_ANGLE_POS( orient ); // Bottom side modules use the flipped padstack fprintf( aFile, ( flipBottomPads && module->GetFlag() ) ? "PIN \"%s\" PAD%dF %g %g %s %g %s\n" : "PIN \"%s\" PAD%d %g %g %s %g %s\n", TO_UTF8( escapeString( pinname ) ), pad->GetSubRatsnest(), pad->GetPos0().x / SCALE_FACTOR, -pad->GetPos0().y / SCALE_FACTOR, layer, orient / 10.0, mirror ); } } fputs( "$ENDSHAPES\n\n", aFile ); } /* Creates the section $COMPONENTS (Footprints placement) * Bottom side components are difficult to handle: shapes must be mirrored or * flipped, silk layers need to be handled correctly and so on. Also it seems * that *noone* follows the specs... */ static void CreateComponentsSection( FILE* aFile, BOARD* aPcb ) { fputs( "$COMPONENTS\n", aFile ); int cu_count = aPcb->GetCopperLayerCount(); for( MODULE* module = aPcb->m_Modules; module; module = module->Next() ) { const char* mirror; const char* flip; double fp_orient = module->GetOrientation(); if( module->GetFlag() ) { mirror = "MIRRORX"; flip = "FLIP"; NEGATE_AND_NORMALIZE_ANGLE_POS( fp_orient ); } else { mirror = "0"; flip = "0"; } fprintf( aFile, "\nCOMPONENT \"%s\"\n", TO_UTF8( escapeString( module->GetReference() ) ) ); fprintf( aFile, "DEVICE \"DEV_%s\"\n", TO_UTF8( escapeString( getShapeName( module ) ) ) ); fprintf( aFile, "PLACE %g %g\n", MapXTo( module->GetPosition().x ), MapYTo( module->GetPosition().y ) ); fprintf( aFile, "LAYER %s\n", module->GetFlag() ? "BOTTOM" : "TOP" ); fprintf( aFile, "ROTATION %g\n", fp_orient / 10.0 ); fprintf( aFile, "SHAPE \"%s\" %s %s\n", TO_UTF8( escapeString( getShapeName( module ) ) ), mirror, flip ); // Text on silk layer: RefDes and value (are they actually useful?) TEXTE_MODULE *textmod = &module->Reference(); for( int ii = 0; ii < 2; ii++ ) { double txt_orient = textmod->GetTextAngle(); std::string layer = GenCADLayerName( cu_count, module->GetFlag() ? B_SilkS : F_SilkS ); fprintf( aFile, "TEXT %g %g %g %g %s %s \"%s\"", textmod->GetPos0().x / SCALE_FACTOR, -textmod->GetPos0().y / SCALE_FACTOR, textmod->GetTextWidth() / SCALE_FACTOR, txt_orient / 10.0, mirror, layer.c_str(), TO_UTF8( escapeString( textmod->GetText() ) ) ); // Please note, the width is approx fprintf( aFile, " 0 0 %g %g\n", ( textmod->GetTextWidth() * textmod->GetLength() ) / SCALE_FACTOR, textmod->GetTextHeight() / SCALE_FACTOR ); textmod = &module->Value(); // Dirty trick for the second iteration } // The SHEET is a 'generic description' for referencing the component fprintf( aFile, "SHEET \"RefDes: %s, Value: %s\"\n", TO_UTF8( module->GetReference() ), TO_UTF8( module->GetValue() ) ); } fputs( "$ENDCOMPONENTS\n\n", aFile ); } /* Emit the netlist (which is actually the thing for which GenCAD is used these * days!); tracks are handled later */ static void CreateSignalsSection( FILE* aFile, BOARD* aPcb ) { wxString msg; NETINFO_ITEM* net; D_PAD* pad; MODULE* module; int NbNoConn = 1; fputs( "$SIGNALS\n", aFile ); for( unsigned ii = 0; ii < aPcb->GetNetCount(); ii++ ) { net = aPcb->FindNet( ii ); if( net->GetNetname() == wxEmptyString ) // dummy netlist (no connection) { msg.Printf( "NoConnection%d", NbNoConn++ ); } if( net->GetNet() <= 0 ) // dummy netlist (no connection) continue; msg = wxT( "SIGNAL \"" ) + escapeString( net->GetNetname() ) + "\""; fputs( TO_UTF8( msg ), aFile ); fputs( "\n", aFile ); for( module = aPcb->m_Modules; module; module = module->Next() ) { for( pad = module->PadsList(); pad; pad = pad->Next() ) { if( pad->GetNetCode() != net->GetNet() ) continue; msg.Printf( wxT( "NODE \"%s\" \"%s\"" ), GetChars( escapeString( module->GetReference() ) ), GetChars( escapeString( pad->GetName() ) ) ); fputs( TO_UTF8( msg ), aFile ); fputs( "\n", aFile ); } } } fputs( "$ENDSIGNALS\n\n", aFile ); } // Creates the header section static bool CreateHeaderInfoData( FILE* aFile, PCB_EDIT_FRAME* aFrame ) { wxString msg; BOARD *board = aFrame->GetBoard(); fputs( "$HEADER\n", aFile ); fputs( "GENCAD 1.4\n", aFile ); // Please note: GenCAD syntax requires quoted strings if they can contain spaces msg.Printf( wxT( "USER \"%s %s\"\n" ), GetChars( Pgm().App().GetAppName() ), GetChars( GetBuildVersion() ) ); fputs( TO_UTF8( msg ), aFile ); msg = wxT( "DRAWING \"" ) + board->GetFileName() + wxT( "\"\n" ); fputs( TO_UTF8( msg ), aFile ); const TITLE_BLOCK& tb = aFrame->GetTitleBlock(); msg = wxT( "REVISION \"" ) + tb.GetRevision() + wxT( " " ) + tb.GetDate() + wxT( "\"\n" ); fputs( TO_UTF8( msg ), aFile ); fputs( "UNITS INCH\n", aFile ); // giving 0 as the argument to Map{X,Y}To returns the scaled origin point msg.Printf( wxT( "ORIGIN %g %g\n" ), storeOriginCoords ? MapXTo( 0 ) : 0, storeOriginCoords ? MapYTo( 0 ) : 0 ); fputs( TO_UTF8( msg ), aFile ); fputs( "INTERTRACK 0\n", aFile ); fputs( "$ENDHEADER\n\n", aFile ); return true; } /* * Sort function used to sort tracks segments: * items are sorted by netcode, then by width then by layer */ static int TrackListSortByNetcode( const void* refptr, const void* objptr ) { const TRACK* ref, * cmp; int diff; ref = *( (TRACK**) refptr ); cmp = *( (TRACK**) objptr ); if( ( diff = ref->GetNetCode() - cmp->GetNetCode() ) ) return diff; if( ( diff = ref->GetWidth() - cmp->GetWidth() ) ) return diff; if( ( diff = ref->GetLayer() - cmp->GetLayer() ) ) return diff; return 0; } /* Creates the section ROUTES * that handles tracks, vias * TODO: add zones * section: * $ROUTE * ... * $ENROUTE * Track segments must be sorted by nets */ static void CreateRoutesSection( FILE* aFile, BOARD* aPcb ) { TRACK* track, ** tracklist; int vianum = 1; int old_netcode, old_width, old_layer; int nbitems, ii; LSET master_layermask = aPcb->GetDesignSettings().GetEnabledLayers(); int cu_count = aPcb->GetCopperLayerCount(); // Count items nbitems = 0; for( track = aPcb->m_Track; track; track = track->Next() ) nbitems++; tracklist = (TRACK**) operator new( (nbitems + 1)* sizeof( TRACK* ) ); nbitems = 0; for( track = aPcb->m_Track; track; track = track->Next() ) tracklist[nbitems++] = track; tracklist[nbitems] = NULL; qsort( tracklist, nbitems, sizeof(TRACK*), TrackListSortByNetcode ); fputs( "$ROUTES\n", aFile ); old_netcode = -1; old_width = -1; old_layer = -1; for( ii = 0; ii < nbitems; ii++ ) { track = tracklist[ii]; if( old_netcode != track->GetNetCode() ) { old_netcode = track->GetNetCode(); NETINFO_ITEM* net = track->GetNet(); wxString netname; if( net && (net->GetNetname() != wxEmptyString) ) netname = net->GetNetname(); else netname = wxT( "_noname_" ); fprintf( aFile, "ROUTE \"%s\"\n", TO_UTF8( escapeString( netname ) ) ); } if( old_width != track->GetWidth() ) { old_width = track->GetWidth(); fprintf( aFile, "TRACK TRACK%d\n", track->GetWidth() ); } if( (track->Type() == PCB_TRACE_T) || (track->Type() == PCB_SEGZONE_T) ) { if( old_layer != track->GetLayer() ) { old_layer = track->GetLayer(); fprintf( aFile, "LAYER %s\n", GenCADLayerName( cu_count, track->GetLayer() ).c_str() ); } fprintf( aFile, "LINE %g %g %g %g\n", MapXTo( track->GetStart().x ), MapYTo( track->GetStart().y ), MapXTo( track->GetEnd().x ), MapYTo( track->GetEnd().y ) ); } if( track->Type() == PCB_VIA_T ) { const VIA* via = static_cast(track); LSET vset = via->GetLayerSet() & master_layermask; fprintf( aFile, "VIA VIA%d.%d.%s %g %g ALL %g via%d\n", via->GetWidth(), via->GetDrillValue(), fmt_mask( vset ).c_str(), MapXTo( via->GetStart().x ), MapYTo( via->GetStart().y ), via->GetDrillValue() / SCALE_FACTOR, vianum++ ); } } fputs( "$ENDROUTES\n\n", aFile ); delete tracklist; } /* Creates the section $DEVICES * This is a list of footprints properties * ( Shapes are in section $SHAPE ) */ static void CreateDevicesSection( FILE* aFile, BOARD* aPcb ) { std::set emitted; fputs( "$DEVICES\n", aFile ); for( const auto& componentShape : componentShapes ) { const wxString& shapeName = shapeNames[componentShape.second]; bool newDevice; std::tie( std::ignore, newDevice ) = emitted.insert( shapeName ); if( !newDevice ) // do not repeat device definitions continue; const MODULE* module = componentShape.first; fprintf( aFile, "\nDEVICE \"DEV_%s\"\n", TO_UTF8( escapeString( shapeName ) ) ); fprintf( aFile, "PART \"%s\"\n", TO_UTF8( escapeString( module->GetValue() ) ) ); fprintf( aFile, "PACKAGE \"%s\"\n", TO_UTF8( escapeString( module->GetFPID().Format() ) ) ); // The TYPE attribute is almost freeform const char* ty = "TH"; if( module->GetAttributes() & MOD_CMS ) ty = "SMD"; if( module->GetAttributes() & MOD_VIRTUAL ) ty = "VIRTUAL"; fprintf( aFile, "TYPE %s\n", ty ); } fputs( "$ENDDEVICES\n\n", aFile ); } /* Creates the section $BOARD. * We output here only the board perimeter */ static void CreateBoardSection( FILE* aFile, BOARD* aPcb ) { fputs( "$BOARD\n", aFile ); // Extract the board edges for( auto drawing : aPcb->Drawings() ) { if( drawing->Type() == PCB_LINE_T ) { DRAWSEGMENT* drawseg = static_cast( drawing ); if( drawseg->GetLayer() == Edge_Cuts ) { // XXX GenCAD supports arc boundaries but I've seen nothing that reads them fprintf( aFile, "LINE %g %g %g %g\n", MapXTo( drawseg->GetStart().x ), MapYTo( drawseg->GetStart().y ), MapXTo( drawseg->GetEnd().x ), MapYTo( drawseg->GetEnd().y ) ); } } } fputs( "$ENDBOARD\n\n", aFile ); } /* Creates the section "$TRACKS" * This sections give the list of widths (tools) used in tracks and vias * format: * $TRACK * TRACK * $ENDTRACK * * Each tool name is build like this: "TRACK" + track width. * For instance for a width = 120 : name = "TRACK120". */ static void CreateTracksInfoData( FILE* aFile, BOARD* aPcb ) { TRACK* track; int last_width = -1; // Find thickness used for traces // XXX could use the same sorting approach used for pads std::vector trackinfo; unsigned ii; for( track = aPcb->m_Track; track; track = track->Next() ) { if( last_width != track->GetWidth() ) // Find a thickness already used. { for( ii = 0; ii < trackinfo.size(); ii++ ) { if( trackinfo[ii] == track->GetWidth() ) break; } if( ii == trackinfo.size() ) // not found trackinfo.push_back( track->GetWidth() ); last_width = track->GetWidth(); } } // Write data fputs( "$TRACKS\n", aFile ); for( ii = 0; ii < trackinfo.size(); ii++ ) { fprintf( aFile, "TRACK TRACK%d %g\n", trackinfo[ii], trackinfo[ii] / SCALE_FACTOR ); } fputs( "$ENDTRACKS\n\n", aFile ); } /* Creates the shape of a footprint (section SHAPE) * The shape is always given "normal" (Orient 0, not mirrored) * It's almost guaranteed that the silk layer will be imported wrong but * the shape also contains the pads! */ static void FootprintWriteShape( FILE* aFile, MODULE* module, const wxString& aShapeName ) { EDGE_MODULE* PtEdge; EDA_ITEM* PtStruct; /* creates header: */ fprintf( aFile, "\nSHAPE \"%s\"\n", TO_UTF8( escapeString( aShapeName ) ) ); if( module->GetAttributes() & MOD_VIRTUAL ) { fprintf( aFile, "INSERT SMD\n" ); } else { if( module->GetAttributes() & MOD_CMS ) { fprintf( aFile, "INSERT SMD\n" ); } else { fprintf( aFile, "INSERT TH\n" ); } } #if 0 /* ATTRIBUTE name and value is unspecified and the original exporter * got the syntax wrong, so CAM350 rejected the whole shape! */ if( module->m_Attributs != MOD_DEFAULT ) { fprintf( aFile, "ATTRIBUTE" ); if( module->m_Attributs & MOD_CMS ) fprintf( aFile, " PAD_SMD" ); if( module->m_Attributs & MOD_VIRTUAL ) fprintf( aFile, " VIRTUAL" ); fprintf( aFile, "\n" ); } #endif // Silk outline; wildly interpreted by various importers: // CAM350 read it right but only closed shapes // ProntoPlace double-flip it (at least the pads are correct) // GerberTool usually get it right... for( PtStruct = module->GraphicalItemsList(); PtStruct; PtStruct = PtStruct->Next() ) { switch( PtStruct->Type() ) { case PCB_MODULE_TEXT_T: // If we wanted to export text, this is not the correct section break; case PCB_MODULE_EDGE_T: PtEdge = (EDGE_MODULE*) PtStruct; if( PtEdge->GetLayer() == F_SilkS || PtEdge->GetLayer() == B_SilkS ) { switch( PtEdge->GetShape() ) { case S_SEGMENT: fprintf( aFile, "LINE %g %g %g %g\n", PtEdge->m_Start0.x / SCALE_FACTOR, -PtEdge->m_Start0.y / SCALE_FACTOR, PtEdge->m_End0.x / SCALE_FACTOR, -PtEdge->m_End0.y / SCALE_FACTOR ); break; case S_CIRCLE: { int radius = KiROUND( GetLineLength( PtEdge->m_End0, PtEdge->m_Start0 ) ); fprintf( aFile, "CIRCLE %g %g %g\n", PtEdge->m_Start0.x / SCALE_FACTOR, -PtEdge->m_Start0.y / SCALE_FACTOR, radius / SCALE_FACTOR ); break; } case S_ARC: { int arcendx, arcendy; arcendx = PtEdge->m_End0.x - PtEdge->m_Start0.x; arcendy = PtEdge->m_End0.y - PtEdge->m_Start0.y; RotatePoint( &arcendx, &arcendy, -PtEdge->GetAngle() ); arcendx += PtEdge->GetStart0().x; arcendy += PtEdge->GetStart0().y; fprintf( aFile, "ARC %g %g %g %g %g %g\n", PtEdge->m_End0.x / SCALE_FACTOR, -PtEdge->GetEnd0().y / SCALE_FACTOR, arcendx / SCALE_FACTOR, -arcendy / SCALE_FACTOR, PtEdge->GetStart0().x / SCALE_FACTOR, -PtEdge->GetStart0().y / SCALE_FACTOR ); break; } case S_POLYGON: // Not exported (TODO) break; default: DisplayError( NULL, wxString::Format( "Type Edge Module %d invalid.", PtStruct->Type() ) ); break; } } break; default: break; } } }