2021-08-08 13:37:14 +00:00
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/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2021 KiCad Developers.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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2021-08-09 10:10:09 +00:00
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#include <board.h>
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#include <board_design_settings.h>
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#include <connectivity/connectivity_data.h>
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#include <zone.h>
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#include <footprint.h>
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#include <pad.h>
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#include <pcb_track.h>
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#include <geometry/shape_line_chain.h>
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#include <geometry/shape_poly_set.h>
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2021-08-08 13:37:14 +00:00
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#include <drc/drc_rule.h>
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#include <drc/drc_test_provider.h>
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/*
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2021-08-09 10:10:09 +00:00
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This loads some rule resolvers for the ZONE_FILLER, and checks that pad thermal relief
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connections have at least the required number of spokes.
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Errors generated:
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- DRCE_STARVED_THERMAL
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2021-08-08 13:37:14 +00:00
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*/
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class DRC_TEST_PROVIDER_ZONE_CONNECTIONS : public DRC_TEST_PROVIDER
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{
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public:
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DRC_TEST_PROVIDER_ZONE_CONNECTIONS()
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{
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}
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virtual ~DRC_TEST_PROVIDER_ZONE_CONNECTIONS()
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{
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}
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2021-08-09 10:10:09 +00:00
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virtual bool Run() override;
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2021-08-08 13:37:14 +00:00
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virtual const wxString GetName() const override
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{
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return "zone connections";
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};
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virtual const wxString GetDescription() const override
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{
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2021-08-09 10:10:09 +00:00
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return "Checks thermal reliefs for a sufficient number of connecting spokes";
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2021-08-08 13:37:14 +00:00
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}
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virtual std::set<DRC_CONSTRAINT_T> GetConstraintTypes() const override
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{
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return { ZONE_CONNECTION_CONSTRAINT, THERMAL_RELIEF_GAP_CONSTRAINT,
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THERMAL_SPOKE_WIDTH_CONSTRAINT, MIN_RESOLVED_SPOKES_CONSTRAINT };
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2021-08-08 13:37:14 +00:00
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}
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};
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2021-08-09 10:10:09 +00:00
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bool DRC_TEST_PROVIDER_ZONE_CONNECTIONS::Run()
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{
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const int delta = 5; // This is the number of tests between 2 calls to the progress bar
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int ii = 0;
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BOARD* board = m_drcEngine->GetBoard();
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BOARD_DESIGN_SETTINGS& bds = board->GetDesignSettings();
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std::shared_ptr<CONNECTIVITY_DATA> connectivity = board->GetConnectivity();
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DRC_CONSTRAINT constraint;
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std::vector<ZONE*> zones;
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if( !reportPhase( _( "Checking thermal reliefs..." ) ) )
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return false; // DRC cancelled
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for( ZONE* zone : board->Zones() )
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zones.push_back( zone );
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for( FOOTPRINT* footprint : board->Footprints() )
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{
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for( ZONE* zone : footprint->Zones() )
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zones.push_back( zone );
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}
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for( ZONE* zone : zones )
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{
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if( !reportProgress( ii++, zones.size(), delta ) )
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return false;
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for( PCB_LAYER_ID layer : zone->GetLayerSet().Seq() )
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{
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const SHAPE_POLY_SET& zoneFill = zone->GetFilledPolysList( layer );
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for( FOOTPRINT* footprint : board->Footprints() )
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{
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for( PAD* pad : footprint->Pads() )
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{
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if( m_drcEngine->IsErrorLimitExceeded( DRCE_STARVED_THERMAL ) )
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return true;
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if( !pad->FlashLayer( layer ) )
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continue;
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if( pad->GetNetCode() != zone->GetNetCode() || pad->GetNetCode() <= 0 )
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continue;
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EDA_RECT item_boundingbox = pad->GetBoundingBox();
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if( !item_boundingbox.Intersects( zone->GetCachedBoundingBox() ) )
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continue;
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constraint = bds.m_DRCEngine->EvalZoneConnection( pad, zone, layer );
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ZONE_CONNECTION conn = constraint.m_ZoneConnection;
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if( conn != ZONE_CONNECTION::THERMAL )
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continue;
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constraint = bds.m_DRCEngine->EvalRules( MIN_RESOLVED_SPOKES_CONSTRAINT,
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pad, zone, layer );
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int minCount = constraint.m_Value.Min();
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if( minCount <= 0 )
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continue;
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SHAPE_POLY_SET padPoly;
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pad->TransformShapeWithClearanceToPolygon( padPoly, layer, 0, ARC_LOW_DEF,
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ERROR_OUTSIDE );
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SHAPE_LINE_CHAIN& padOutline = padPoly.Outline( 0 );
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std::vector<SHAPE_LINE_CHAIN::INTERSECTION> intersections;
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int spokes = 0;
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for( int jj = 0; jj < zoneFill.OutlineCount(); ++jj )
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padOutline.Intersect( zoneFill.Outline( jj ), intersections, true );
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spokes += intersections.size() / 2;
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for( PCB_TRACK* track : connectivity->GetConnectedTracks( pad ) )
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{
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if( padOutline.PointInside( track->GetStart() ) )
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{
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if( zone->GetFilledPolysList( layer ).Collide( track->GetEnd() ) )
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spokes++;
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}
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else if( padOutline.PointInside( track->GetEnd() ) )
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{
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if( zone->GetFilledPolysList( layer ).Collide( track->GetStart() ) )
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spokes++;
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}
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}
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if( spokes < minCount )
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{
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std::shared_ptr<DRC_ITEM> drce = DRC_ITEM::Create( DRCE_STARVED_THERMAL );
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m_msg.Printf( _( "(%s min spoke count %d; actual %d)" ),
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constraint.GetName(),
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minCount,
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spokes );
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drce->SetErrorMessage( drce->GetErrorText() + wxS( " " ) + m_msg );
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drce->SetItems( zone, pad );
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drce->SetViolatingRule( constraint.GetParentRule() );
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reportViolation( drce, pad->GetPosition() );
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}
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}
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}
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}
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}
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return true;
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}
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2021-08-08 13:37:14 +00:00
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namespace detail
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{
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static DRC_REGISTER_TEST_PROVIDER<DRC_TEST_PROVIDER_ZONE_CONNECTIONS> dummy;
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}
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