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kicad/pcbnew/drc.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2004-2017 Jean-Pierre Charras, jp.charras at wanadoo.fr
* Copyright (C) 2014 Dick Hollenbeck, dick@softplc.com
* Copyright (C) 2017 KiCad Developers, see change_log.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 drc.cpp
*/
#include <fctsys.h>
#include <wxPcbStruct.h>
#include <trigo.h>
#include <base_units.h>
#include <class_board_design_settings.h>
#include <class_module.h>
#include <class_track.h>
#include <class_pad.h>
#include <class_zone.h>
#include <class_pcb_text.h>
#include <class_draw_panel_gal.h>
#include <view/view.h>
#include <geometry/seg.h>
#include <math_for_graphics.h>
#include <connectivity_data.h>
#include <connectivity_algo.h>
#include <tool/tool_manager.h>
#include <tools/pcb_actions.h>
#include <pcbnew.h>
#include <drc.h>
#include <dialog_drc.h>
#include <wx/progdlg.h>
#include <board_commit.h>
void DRC::ShowDRCDialog( wxWindow* aParent )
{
bool show_dlg_modal = true;
// the dialog needs a parent frame. if it is not specified, this is
// the PCB editor frame specified in DRC class.
if( aParent == NULL )
{
// if any parent is specified, the dialog is modal.
// if this is the default PCB editor frame, it is not modal
show_dlg_modal = false;
aParent = m_pcbEditorFrame;
}
if( !m_drcDialog )
{
m_pcbEditorFrame->GetToolManager()->RunAction( PCB_ACTIONS::selectionClear, true );
m_drcDialog = new DIALOG_DRC_CONTROL( this, m_pcbEditorFrame, aParent );
updatePointers();
m_drcDialog->SetRptSettings( m_doCreateRptFile, m_rptFilename);
if( show_dlg_modal )
m_drcDialog->ShowModal();
else
m_drcDialog->Show( true );
}
else // The dialog is just not visible (because the user has double clicked on an error item)
{
updatePointers();
m_drcDialog->Show( true );
}
}
void DRC::addMarkerToPcb( MARKER_PCB* aMarker )
{
BOARD_COMMIT commit( m_pcbEditorFrame );
commit.Add( aMarker );
commit.Push( wxEmptyString, false );
}
void DRC::DestroyDRCDialog( int aReason )
{
if( m_drcDialog )
{
if( aReason == wxID_OK )
{
// if user clicked OK, save his choices in this DRC object.
m_drcDialog->GetRptSettings( &m_doCreateRptFile, m_rptFilename);
}
m_drcDialog->Destroy();
m_drcDialog = NULL;
}
}
DRC::DRC( PCB_EDIT_FRAME* aPcbWindow )
{
m_pcbEditorFrame = aPcbWindow;
m_pcb = aPcbWindow->GetBoard();
m_drcDialog = NULL;
// establish initial values for everything:
m_doPad2PadTest = true; // enable pad to pad clearance tests
m_doUnconnectedTest = true; // enable unconnected tests
m_doZonesTest = true; // enable zone to items clearance tests
m_doKeepoutTest = true; // enable keepout areas to items clearance tests
m_doFootprintOverlapping = true; // enable courtyards areas overlap tests
m_doNoCourtyardDefined = true; // enable missing courtyard in footprint warning
m_abortDRC = false;
m_drcInProgress = false;
m_doCreateRptFile = false;
// m_rptFilename set to empty by its constructor
m_currentMarker = NULL;
m_segmAngle = 0;
m_segmLength = 0;
m_xcliplo = 0;
m_ycliplo = 0;
m_xcliphi = 0;
m_ycliphi = 0;
}
DRC::~DRC()
{
// maybe someday look at pointainer.h <- google for "pointainer.h"
for( unsigned i = 0; i<m_unconnected.size(); ++i )
delete m_unconnected[i];
}
int DRC::Drc( TRACK* aRefSegm, TRACK* aList )
{
updatePointers();
if( !doTrackDrc( aRefSegm, aList, true ) )
{
wxASSERT( m_currentMarker );
m_pcbEditorFrame->SetMsgPanel( m_currentMarker );
return BAD_DRC;
}
if( !doTrackKeepoutDrc( aRefSegm ) )
{
wxASSERT( m_currentMarker );
m_pcbEditorFrame->SetMsgPanel( m_currentMarker );
return BAD_DRC;
}
return OK_DRC;
}
int DRC::TestZoneToZoneOutline( ZONE_CONTAINER* aZone, bool aCreateMarkers )
{
BOARD* board = m_pcbEditorFrame->GetBoard();
BOARD_COMMIT commit( m_pcbEditorFrame );
int nerrors = 0;
// iterate through all areas
for( int ia = 0; ia < board->GetAreaCount(); ia++ )
{
ZONE_CONTAINER* zoneRef = board->GetArea( ia );
SHAPE_POLY_SET refSmoothedPoly;
zoneRef->BuildSmoothedPoly( refSmoothedPoly );
if( !zoneRef->IsOnCopperLayer() )
continue;
// When testing only a single area, skip all others
if( aZone && ( aZone != zoneRef) )
continue;
for( int ia2 = 0; ia2 < board->GetAreaCount(); ia2++ )
{
ZONE_CONTAINER* zoneToTest = board->GetArea( ia2 );
SHAPE_POLY_SET testSmoothedPoly;
zoneToTest->BuildSmoothedPoly( testSmoothedPoly );
if( zoneRef == zoneToTest )
continue;
// test for same layer
if( zoneRef->GetLayer() != zoneToTest->GetLayer() )
continue;
// Test for same net
if( zoneRef->GetNetCode() == zoneToTest->GetNetCode() && zoneRef->GetNetCode() >= 0 )
continue;
// test for different priorities
if( zoneRef->GetPriority() != zoneToTest->GetPriority() )
continue;
// test for different types
if( zoneRef->GetIsKeepout() != zoneToTest->GetIsKeepout() )
continue;
// Examine a candidate zone: compare zoneToTest to zoneRef
// Get clearance used in zone to zone test. The policy used to
// obtain that value is now part of the zone object itself by way of
// ZONE_CONTAINER::GetClearance().
int zone2zoneClearance = zoneRef->GetClearance( zoneToTest );
// Keepout areas have no clearance, so set zone2zoneClearance to 1
// ( zone2zoneClearance = 0 can create problems in test functions)
if( zoneRef->GetIsKeepout() )
zone2zoneClearance = 1;
// test for some corners of zoneRef inside zoneToTest
for( auto iterator = refSmoothedPoly.IterateWithHoles(); iterator; iterator++ )
{
VECTOR2I currentVertex = *iterator;
if( testSmoothedPoly.Contains( currentVertex ) )
{
// COPPERAREA_COPPERAREA error: copper area ref corner inside copper area
if( aCreateMarkers )
{
wxPoint pt( currentVertex.x, currentVertex.y );
wxString msg1 = zoneRef->GetSelectMenuText();
wxString msg2 = zoneToTest->GetSelectMenuText();
MARKER_PCB* marker = new MARKER_PCB( COPPERAREA_INSIDE_COPPERAREA,
pt, msg1, pt, msg2, pt );
commit.Add( marker );
}
nerrors++;
}
}
// test for some corners of zoneToTest inside zoneRef
for( auto iterator = testSmoothedPoly.IterateWithHoles(); iterator; iterator++ )
{
VECTOR2I currentVertex = *iterator;
if( refSmoothedPoly.Contains( currentVertex ) )
{
// COPPERAREA_COPPERAREA error: copper area corner inside copper area ref
if( aCreateMarkers )
{
wxPoint pt( currentVertex.x, currentVertex.y );
wxString msg1 = zoneToTest->GetSelectMenuText();
wxString msg2 = zoneRef->GetSelectMenuText();
MARKER_PCB* marker = new MARKER_PCB( COPPERAREA_INSIDE_COPPERAREA,
pt, msg1, pt, msg2, pt );
commit.Add( marker );
}
nerrors++;
}
}
// Iterate through all the segments of refSmoothedPoly
for( auto refIt = refSmoothedPoly.IterateSegmentsWithHoles(); refIt; refIt++ )
{
// Build ref segment
SEG refSegment = *refIt;
// Iterate through all the segments in testSmoothedPoly
for( auto testIt = testSmoothedPoly.IterateSegmentsWithHoles(); testIt; testIt++ )
{
// Build test segment
SEG testSegment = *testIt;
wxPoint pt;
int ax1, ay1, ax2, ay2;
ax1 = refSegment.A.x;
ay1 = refSegment.A.y;
ax2 = refSegment.B.x;
ay2 = refSegment.B.y;
int bx1, by1, bx2, by2;
bx1 = testSegment.A.x;
by1 = testSegment.A.y;
bx2 = testSegment.B.x;
by2 = testSegment.B.y;
int d = GetClearanceBetweenSegments( bx1, by1, bx2, by2,
0,
ax1, ay1, ax2, ay2,
0,
zone2zoneClearance,
&pt.x, &pt.y );
if( d < zone2zoneClearance )
{
// COPPERAREA_COPPERAREA error : intersect or too close
if( aCreateMarkers )
{
wxString msg1 = zoneRef->GetSelectMenuText();
wxString msg2 = zoneToTest->GetSelectMenuText();
MARKER_PCB* marker = new MARKER_PCB( COPPERAREA_CLOSE_TO_COPPERAREA,
pt, msg1, pt, msg2, pt );
commit.Add( marker );
}
nerrors++;
}
}
}
}
}
if( aCreateMarkers )
commit.Push( wxEmptyString, false );
return nerrors;
}
int DRC::Drc( ZONE_CONTAINER* aArea, int aCornerIndex )
{
updatePointers();
if( !doEdgeZoneDrc( aArea, aCornerIndex ) )
{
wxASSERT( m_currentMarker );
m_pcbEditorFrame->SetMsgPanel( m_currentMarker );
return BAD_DRC;
}
return OK_DRC;
}
void DRC::RunTests( wxTextCtrl* aMessages )
{
// be sure m_pcb is the current board, not a old one
// ( the board can be reloaded )
m_pcb = m_pcbEditorFrame->GetBoard();
// someone should have cleared the two lists before calling this.
if( !testNetClasses() )
{
// testing the netclasses is a special case because if the netclasses
// do not pass the BOARD_DESIGN_SETTINGS checks, then every member of a net
// class (a NET) will cause its items such as tracks, vias, and pads
// to also fail. So quit after *all* netclass errors have been reported.
if( aMessages )
aMessages->AppendText( _( "Aborting\n" ) );
// update the m_drcDialog listboxes
updatePointers();
return;
}
// test pad to pad clearances, nothing to do with tracks, vias or zones.
if( m_doPad2PadTest )
{
if( aMessages )
{
aMessages->AppendText( _( "Pad clearances...\n" ) );
wxSafeYield();
}
testPad2Pad();
}
// test track and via clearances to other tracks, pads, and vias
if( aMessages )
{
aMessages->AppendText( _( "Track clearances...\n" ) );
wxSafeYield();
}
testTracks( aMessages ? aMessages->GetParent() : m_pcbEditorFrame, true );
// Before testing segments and unconnected, refill all zones:
// this is a good caution, because filled areas can be outdated.
if( aMessages )
{
aMessages->AppendText( _( "Fill zones...\n" ) );
wxSafeYield();
}
// caller (a wxTopLevelFrame) is the wxDialog or the Pcb Editor frame that call DRC:
wxWindow* caller = aMessages ? aMessages->GetParent() : m_pcbEditorFrame;
m_pcbEditorFrame->Fill_All_Zones( caller );
// test zone clearances to other zones
if( aMessages )
{
aMessages->AppendText( _( "Test zones...\n" ) );
wxSafeYield();
}
testZones();
// find and gather unconnected pads.
if( m_doUnconnectedTest )
{
if( aMessages )
{
aMessages->AppendText( _( "Unconnected pads...\n" ) );
aMessages->Refresh();
}
testUnconnected();
}
// find and gather vias, tracks, pads inside keepout areas.
if( m_doKeepoutTest )
{
if( aMessages )
{
aMessages->AppendText( _( "Keepout areas ...\n" ) );
aMessages->Refresh();
}
testKeepoutAreas();
}
// find and gather vias, tracks, pads inside text boxes.
if( aMessages )
{
aMessages->AppendText( _( "Test texts...\n" ) );
wxSafeYield();
}
testTexts();
// find overlaping courtyard ares.
if( m_doFootprintOverlapping || m_doNoCourtyardDefined )
{
if( aMessages )
{
aMessages->AppendText( _( "Courtyard areas...\n" ) );
aMessages->Refresh();
}
doFootprintOverlappingDrc();
}
// update the m_drcDialog listboxes
updatePointers();
if( aMessages )
{
// no newline on this one because it is last, don't want the window
// to unnecessarily scroll.
aMessages->AppendText( _( "Finished" ) );
}
}
void DRC::ListUnconnectedPads()
{
testUnconnected();
// update the m_drcDialog listboxes
updatePointers();
}
void DRC::updatePointers()
{
// update my pointers, m_pcbEditorFrame is the only unchangeable one
m_pcb = m_pcbEditorFrame->GetBoard();
if( m_drcDialog ) // Use diag list boxes only in DRC dialog
{
m_drcDialog->m_ClearanceListBox->SetList( new DRC_LIST_MARKERS( m_pcb ) );
m_drcDialog->m_UnconnectedListBox->SetList( new DRC_LIST_UNCONNECTED( &m_unconnected ) );
m_drcDialog->UpdateDisplayedCounts();
}
}
bool DRC::doNetClass( const NETCLASSPTR& nc, wxString& msg )
{
bool ret = true;
const BOARD_DESIGN_SETTINGS& g = m_pcb->GetDesignSettings();
#define FmtVal( x ) GetChars( StringFromValue( g_UserUnit, x ) )
#if 0 // set to 1 when (if...) BOARD_DESIGN_SETTINGS has a m_MinClearance value
if( nc->GetClearance() < g.m_MinClearance )
{
msg.Printf( _( "NETCLASS: \"%s\" has Clearance:%s which is less than global:%s" ),
GetChars( nc->GetName() ),
FmtVal( nc->GetClearance() ),
FmtVal( g.m_TrackClearance )
);
addMarkerToPcb( fillMarker( DRCE_NETCLASS_CLEARANCE, msg, m_currentMarker ) );
m_currentMarker = nullptr;
ret = false;
}
#endif
if( nc->GetTrackWidth() < g.m_TrackMinWidth )
{
msg.Printf( _( "NETCLASS: \"%s\" has TrackWidth:%s which is less than global:%s" ),
GetChars( nc->GetName() ),
FmtVal( nc->GetTrackWidth() ),
FmtVal( g.m_TrackMinWidth )
);
addMarkerToPcb( fillMarker( DRCE_NETCLASS_TRACKWIDTH, msg, m_currentMarker ) );
m_currentMarker = nullptr;
ret = false;
}
if( nc->GetViaDiameter() < g.m_ViasMinSize )
{
msg.Printf( _( "NETCLASS: \"%s\" has Via Dia:%s which is less than global:%s" ),
GetChars( nc->GetName() ),
FmtVal( nc->GetViaDiameter() ),
FmtVal( g.m_ViasMinSize )
);
addMarkerToPcb( fillMarker( DRCE_NETCLASS_VIASIZE, msg, m_currentMarker ) );
m_currentMarker = nullptr;
ret = false;
}
if( nc->GetViaDrill() < g.m_ViasMinDrill )
{
msg.Printf( _( "NETCLASS: \"%s\" has Via Drill:%s which is less than global:%s" ),
GetChars( nc->GetName() ),
FmtVal( nc->GetViaDrill() ),
FmtVal( g.m_ViasMinDrill )
);
addMarkerToPcb( fillMarker( DRCE_NETCLASS_VIADRILLSIZE, msg, m_currentMarker ) );
m_currentMarker = nullptr;
ret = false;
}
if( nc->GetuViaDiameter() < g.m_MicroViasMinSize )
{
msg.Printf( _( "NETCLASS: \"%s\" has uVia Dia:%s which is less than global:%s" ),
GetChars( nc->GetName() ),
FmtVal( nc->GetuViaDiameter() ),
FmtVal( g.m_MicroViasMinSize )
);
addMarkerToPcb( fillMarker( DRCE_NETCLASS_uVIASIZE, msg, m_currentMarker ) );
m_currentMarker = nullptr;
ret = false;
}
if( nc->GetuViaDrill() < g.m_MicroViasMinDrill )
{
msg.Printf( _( "NETCLASS: \"%s\" has uVia Drill:%s which is less than global:%s" ),
GetChars( nc->GetName() ),
FmtVal( nc->GetuViaDrill() ),
FmtVal( g.m_MicroViasMinDrill )
);
addMarkerToPcb( fillMarker( DRCE_NETCLASS_uVIADRILLSIZE, msg, m_currentMarker ) );
m_currentMarker = nullptr;
ret = false;
}
return ret;
}
bool DRC::testNetClasses()
{
bool ret = true;
NETCLASSES& netclasses = m_pcb->GetDesignSettings().m_NetClasses;
wxString msg; // construct this only once here, not in a loop, since somewhat expensive.
if( !doNetClass( netclasses.GetDefault(), msg ) )
ret = false;
for( NETCLASSES::const_iterator i = netclasses.begin(); i != netclasses.end(); ++i )
{
NETCLASSPTR nc = i->second;
if( !doNetClass( nc, msg ) )
ret = false;
}
return ret;
}
void DRC::testPad2Pad()
{
std::vector<D_PAD*> sortedPads;
m_pcb->GetSortedPadListByXthenYCoord( sortedPads );
// find the max size of the pads (used to stop the test)
int max_size = 0;
for( unsigned i = 0; i < sortedPads.size(); ++i )
{
D_PAD* pad = sortedPads[i];
// GetBoundingRadius() is the radius of the minimum sized circle fully containing the pad
int radius = pad->GetBoundingRadius();
if( radius > max_size )
max_size = radius;
}
// Test the pads
D_PAD** listEnd = &sortedPads[ sortedPads.size() ];
for( unsigned i = 0; i< sortedPads.size(); ++i )
{
D_PAD* pad = sortedPads[i];
int x_limit = max_size + pad->GetClearance() +
pad->GetBoundingRadius() + pad->GetPosition().x;
if( !doPadToPadsDrc( pad, &sortedPads[i], listEnd, x_limit ) )
{
wxASSERT( m_currentMarker );
addMarkerToPcb ( m_currentMarker );
m_currentMarker = nullptr;
}
}
}
void DRC::testTracks( wxWindow *aActiveWindow, bool aShowProgressBar )
{
wxProgressDialog * progressDialog = NULL;
const int delta = 500; // This is the number of tests between 2 calls to the
// progress bar
int count = 0;
for( TRACK* segm = m_pcb->m_Track; segm && segm->Next(); segm = segm->Next() )
count++;
int deltamax = count/delta;
if( aShowProgressBar && deltamax > 3 )
{
// Do not use wxPD_APP_MODAL style here: it is not necessary and create issues
// on OSX
progressDialog = new wxProgressDialog( _( "Track clearances" ), wxEmptyString,
deltamax, aActiveWindow,
wxPD_AUTO_HIDE | wxPD_CAN_ABORT | wxPD_ELAPSED_TIME );
progressDialog->Update( 0, wxEmptyString );
}
int ii = 0;
count = 0;
for( TRACK* segm = m_pcb->m_Track; segm; segm = segm->Next() )
{
if ( ii++ > delta )
{
ii = 0;
count++;
if( progressDialog )
{
if( !progressDialog->Update( count, wxEmptyString ) )
break; // Aborted by user
#ifdef __WXMAC__
// Work around a dialog z-order issue on OS X
if( count == deltamax )
aActiveWindow->Raise();
#endif
}
}
if( !doTrackDrc( segm, segm->Next(), true ) )
{
wxASSERT( m_currentMarker );
addMarkerToPcb ( m_currentMarker );
m_currentMarker = nullptr;
}
}
if( progressDialog )
progressDialog->Destroy();
}
void DRC::testUnconnected()
{
auto connectivity = m_pcb->GetConnectivity();
connectivity->Clear();
connectivity->Build(m_pcb); // just in case. This really needs to be reliable.
connectivity->RecalculateRatsnest();
std::vector<CN_EDGE> edges;
connectivity->GetUnconnectedEdges( edges );
for( const auto& edge : edges )
{
wxString t_src = edge.GetSourceNode()->Parent()->GetSelectMenuText();
wxString t_dst = edge.GetTargetNode()->Parent()->GetSelectMenuText();
auto src = edge.GetSourcePos();
auto dst = edge.GetTargetPos();
DRC_ITEM* uncItem = new DRC_ITEM( DRCE_UNCONNECTED_ITEMS,
t_src,
t_dst,
wxPoint( src.x, src.y ), wxPoint( dst.x, dst.y ) );
m_unconnected.push_back( uncItem );
}
}
void DRC::testZones()
{
// Test copper areas for valid netcodes
// if a netcode is < 0 the netname was not found when reading a netlist
// if a netcode is == 0 the netname is void, and the zone is not connected.
// This is allowed, but i am not sure this is a good idea
//
// In recent Pcbnew versions, the netcode is always >= 0, but an internal net name
// is stored, and initalized from the file or the zone properpies editor.
// if it differs from the net name from net code, there is a DRC issue
for( int ii = 0; ii < m_pcb->GetAreaCount(); ii++ )
{
ZONE_CONTAINER* test_area = m_pcb->GetArea( ii );
if( !test_area->IsOnCopperLayer() )
continue;
int netcode = test_area->GetNetCode();
// a netcode < 0 or > 0 and no pad in net is a error or strange
// perhaps a "dead" net, which happens when all pads in this net were removed
// Remark: a netcode < 0 should not happen (this is more a bug somewhere)
int pads_in_net = (test_area->GetNetCode() > 0) ?
m_pcb->GetConnectivity()->GetPadCount( test_area->GetNetCode() ) : 1;
if( ( netcode < 0 ) || pads_in_net == 0 )
{
addMarkerToPcb( fillMarker( test_area,
DRCE_SUSPICIOUS_NET_FOR_ZONE_OUTLINE, m_currentMarker ) );
m_currentMarker = nullptr;
}
}
// Test copper areas outlines, and create markers when needed
TestZoneToZoneOutline( NULL, true );
}
void DRC::testKeepoutAreas()
{
// Test keepout areas for vias, tracks and pads inside keepout areas
for( int ii = 0; ii < m_pcb->GetAreaCount(); ii++ )
{
ZONE_CONTAINER* area = m_pcb->GetArea( ii );
if( !area->GetIsKeepout() )
{
continue;
}
for( TRACK* segm = m_pcb->m_Track; segm != NULL; segm = segm->Next() )
{
if( segm->Type() == PCB_TRACE_T )
{
if( ! area->GetDoNotAllowTracks() )
continue;
// Ignore if the keepout zone is not on the same layer
if( !area->IsOnLayer( segm->GetLayer() ) )
continue;
if( area->Outline()->Distance( SEG( segm->GetStart(), segm->GetEnd() ),
segm->GetWidth() ) == 0 )
{
addMarkerToPcb( fillMarker( segm, NULL,
DRCE_TRACK_INSIDE_KEEPOUT, m_currentMarker ) );
m_currentMarker = nullptr;
}
}
else if( segm->Type() == PCB_VIA_T )
{
if( ! area->GetDoNotAllowVias() )
continue;
auto viaLayers = segm->GetLayerSet();
if( !area->CommonLayerExists( viaLayers ) )
continue;
if( area->Outline()->Distance( segm->GetPosition() ) < segm->GetWidth()/2 )
{
addMarkerToPcb( fillMarker( segm, NULL,
DRCE_VIA_INSIDE_KEEPOUT, m_currentMarker ) );
m_currentMarker = nullptr;
}
}
}
// Test pads: TODO
}
}
void DRC::testTexts()
{
std::vector<wxPoint> textShape; // a buffer to store the text shape (set of segments)
std::vector<D_PAD*> padList = m_pcb->GetPads();
// Test text areas for vias, tracks and pads inside text areas
for( auto item : m_pcb->Drawings() )
{
// Drc test only items on copper layers
if( ! IsCopperLayer( item->GetLayer() ) )
continue;
// only texts on copper layers are tested
if( item->Type() != PCB_TEXT_T )
continue;
textShape.clear();
// So far the bounding box makes up the text-area
TEXTE_PCB* text = (TEXTE_PCB*) item;
text->TransformTextShapeToSegmentList( textShape );
if( textShape.size() == 0 ) // Should not happen (empty text?)
continue;
for( TRACK* track = m_pcb->m_Track; track != NULL; track = track->Next() )
{
if( ! track->IsOnLayer( item->GetLayer() ) )
continue;
// Test the distance between each segment and the current track/via
int min_dist = ( track->GetWidth() + text->GetThickness() ) /2 +
track->GetClearance(NULL);
if( track->Type() == PCB_TRACE_T )
{
SEG segref( track->GetStart(), track->GetEnd() );
// Error condition: Distance between text segment and track segment is
// smaller than the clearance of the segment
for( unsigned jj = 0; jj < textShape.size(); jj += 2 )
{
SEG segtest( textShape[jj], textShape[jj+1] );
int dist = segref.Distance( segtest );
if( dist < min_dist )
{
addMarkerToPcb( fillMarker( track, text,
DRCE_TRACK_INSIDE_TEXT,
m_currentMarker ) );
m_currentMarker = nullptr;
break;
}
}
}
else if( track->Type() == PCB_VIA_T )
{
// Error condition: Distance between text segment and via is
// smaller than the clearance of the via
for( unsigned jj = 0; jj < textShape.size(); jj += 2 )
{
SEG segtest( textShape[jj], textShape[jj+1] );
if( segtest.PointCloserThan( track->GetPosition(), min_dist ) )
{
addMarkerToPcb( fillMarker( track, text,
DRCE_VIA_INSIDE_TEXT, m_currentMarker ) );
m_currentMarker = nullptr;
break;
}
}
}
}
// Test pads
for( unsigned ii = 0; ii < padList.size(); ii++ )
{
D_PAD* pad = padList[ii];
if( ! pad->IsOnLayer( item->GetLayer() ) )
continue;
wxPoint shape_pos = pad->ShapePos();
for( unsigned jj = 0; jj < textShape.size(); jj += 2 )
{
/* In order to make some calculations more easier or faster,
* pads and tracks coordinates will be made relative
* to the segment origin
*/
wxPoint origin = textShape[jj]; // origin will be the origin of other coordinates
m_segmEnd = textShape[jj+1] - origin;
wxPoint delta = m_segmEnd;
m_segmAngle = 0;
// for a non horizontal or vertical segment Compute the segment angle
// in tenths of degrees and its length
if( delta.x || delta.y ) // delta.x == delta.y == 0 for vias
{
// Compute the segment angle in 0,1 degrees
m_segmAngle = ArcTangente( delta.y, delta.x );
// Compute the segment length: we build an equivalent rotated segment,
// this segment is horizontal, therefore dx = length
RotatePoint( &delta, m_segmAngle ); // delta.x = length, delta.y = 0
}
m_segmLength = delta.x;
m_padToTestPos = shape_pos - origin;
if( !checkClearanceSegmToPad( pad, text->GetThickness(),
pad->GetClearance(NULL) ) )
{
addMarkerToPcb( fillMarker( pad, text,
DRCE_PAD_INSIDE_TEXT, m_currentMarker ) );
m_currentMarker = nullptr;
break;
}
}
}
}
}
bool DRC::doTrackKeepoutDrc( TRACK* aRefSeg )
{
// Test keepout areas for vias, tracks and pads inside keepout areas
for( int ii = 0; ii < m_pcb->GetAreaCount(); ii++ )
{
ZONE_CONTAINER* area = m_pcb->GetArea( ii );
if( !area->GetIsKeepout() )
continue;
if( aRefSeg->Type() == PCB_TRACE_T )
{
if( ! area->GetDoNotAllowTracks() )
continue;
if( !area->IsOnLayer( aRefSeg->GetLayer() ) )
continue;
if( area->Outline()->Distance( SEG( aRefSeg->GetStart(), aRefSeg->GetEnd() ),
aRefSeg->GetWidth() ) == 0 )
{
m_currentMarker = fillMarker( aRefSeg, NULL,
DRCE_TRACK_INSIDE_KEEPOUT, m_currentMarker );
return false;
}
}
else if( aRefSeg->Type() == PCB_VIA_T )
{
if( ! area->GetDoNotAllowVias() )
continue;
auto viaLayers = aRefSeg->GetLayerSet();
if( !area->CommonLayerExists( viaLayers ) )
continue;
if( area->Outline()->Distance( aRefSeg->GetPosition() ) < aRefSeg->GetWidth()/2 )
{
m_currentMarker = fillMarker( aRefSeg, NULL,
DRCE_VIA_INSIDE_KEEPOUT, m_currentMarker );
return false;
}
}
}
return true;
}
bool DRC::doPadToPadsDrc( D_PAD* aRefPad, D_PAD** aStart, D_PAD** aEnd, int x_limit )
{
const static LSET all_cu = LSET::AllCuMask();
LSET layerMask = aRefPad->GetLayerSet() & all_cu;
/* used to test DRC pad to holes: this dummy pad has the size and shape of the hole
* to test pad to pad hole DRC, using the pad to pad DRC test function.
* Therefore, this dummy pad is a circle or an oval.
* A pad must have a parent because some functions expect a non null parent
* to find the parent board, and some other data
*/
MODULE dummymodule( m_pcb ); // Creates a dummy parent
D_PAD dummypad( &dummymodule );
// Ensure the hole is on all copper layers
dummypad.SetLayerSet( all_cu | dummypad.GetLayerSet() );
// Use the minimal local clearance value for the dummy pad.
// The clearance of the active pad will be used as minimum distance to a hole
// (a value = 0 means use netclass value)
dummypad.SetLocalClearance( 1 );
for( D_PAD** pad_list = aStart; pad_list<aEnd; ++pad_list )
{
D_PAD* pad = *pad_list;
if( pad == aRefPad )
continue;
// We can stop the test when pad->GetPosition().x > x_limit
// because the list is sorted by X values
if( pad->GetPosition().x > x_limit )
break;
// No problem if pads which are on copper layers are on different copper layers,
// (pads can be only on a technical layer, to build complex pads)
// but their hole (if any ) can create DRC error because they are on all
// copper layers, so we test them
if( ( pad->GetLayerSet() & layerMask ) == 0 &&
( pad->GetLayerSet() & all_cu ) != 0 &&
( aRefPad->GetLayerSet() & all_cu ) != 0 )
{
// if holes are in the same location and have the same size and shape,
// this can be accepted
if( pad->GetPosition() == aRefPad->GetPosition()
&& pad->GetDrillSize() == aRefPad->GetDrillSize()
&& pad->GetDrillShape() == aRefPad->GetDrillShape() )
{
if( aRefPad->GetDrillShape() == PAD_DRILL_SHAPE_CIRCLE )
continue;
// for oval holes: must also have the same orientation
if( pad->GetOrientation() == aRefPad->GetOrientation() )
continue;
}
/* Here, we must test clearance between holes and pads
* dummy pad size and shape is adjusted to pad drill size and shape
*/
if( pad->GetDrillSize().x )
{
// pad under testing has a hole, test this hole against pad reference
dummypad.SetPosition( pad->GetPosition() );
dummypad.SetSize( pad->GetDrillSize() );
dummypad.SetShape( pad->GetDrillShape() == PAD_DRILL_SHAPE_OBLONG ?
PAD_SHAPE_OVAL : PAD_SHAPE_CIRCLE );
dummypad.SetOrientation( pad->GetOrientation() );
if( !checkClearancePadToPad( aRefPad, &dummypad ) )
{
// here we have a drc error on pad!
m_currentMarker = fillMarker( pad, aRefPad,
DRCE_HOLE_NEAR_PAD, m_currentMarker );
return false;
}
}
if( aRefPad->GetDrillSize().x ) // pad reference has a hole
{
dummypad.SetPosition( aRefPad->GetPosition() );
dummypad.SetSize( aRefPad->GetDrillSize() );
dummypad.SetShape( aRefPad->GetDrillShape() == PAD_DRILL_SHAPE_OBLONG ?
PAD_SHAPE_OVAL : PAD_SHAPE_CIRCLE );
dummypad.SetOrientation( aRefPad->GetOrientation() );
if( !checkClearancePadToPad( pad, &dummypad ) )
{
// here we have a drc error on aRefPad!
m_currentMarker = fillMarker( aRefPad, pad,
DRCE_HOLE_NEAR_PAD, m_currentMarker );
return false;
}
}
continue;
}
// The pad must be in a net (i.e pt_pad->GetNet() != 0 ),
// But no problem if pads have the same netcode (same net)
if( pad->GetNetCode() && ( aRefPad->GetNetCode() == pad->GetNetCode() ) )
continue;
// if pads are from the same footprint
if( pad->GetParent() == aRefPad->GetParent() )
{
// and have the same pad number ( equivalent pads )
// one can argue that this 2nd test is not necessary, that any
// two pads from a single module are acceptable. This 2nd test
// should eventually be a configuration option.
if( pad->PadNameEqual( aRefPad ) )
continue;
}
// if either pad has no drill and is only on technical layers, not a clearance violation
if( ( ( pad->GetLayerSet() & layerMask ) == 0 && !pad->GetDrillSize().x ) ||
( ( aRefPad->GetLayerSet() & layerMask ) == 0 && !aRefPad->GetDrillSize().x ) )
{
continue;
}
if( !checkClearancePadToPad( aRefPad, pad ) )
{
// here we have a drc error!
m_currentMarker = fillMarker( aRefPad, pad, DRCE_PAD_NEAR_PAD1, m_currentMarker );
return false;
}
}
return true;
}
bool DRC::doFootprintOverlappingDrc()
{
// Detects missing (or malformed) footprint courtyard,
// and for footprint with courtyard, courtyards overlap.
wxString msg;
bool success = true;
// Update courtyard polygons, and test for missing courtyard definition:
for( MODULE* footprint = m_pcb->m_Modules; footprint; footprint = footprint->Next() )
{
bool is_ok = footprint->BuildPolyCourtyard();
if( !is_ok && m_doFootprintOverlapping )
{
msg.Printf( _( "footprint \"%s\" has malformed courtyard" ),
footprint->GetReference().GetData() );
m_currentMarker = fillMarker( footprint->GetPosition(),
DRCE_MALFORMED_COURTYARD_IN_FOOTPRINT,
msg, m_currentMarker );
addMarkerToPcb( m_currentMarker );
m_currentMarker = nullptr;
success = false;
}
if( !m_doNoCourtyardDefined )
continue;
if( footprint->GetPolyCourtyardFront().OutlineCount() == 0 &&
footprint->GetPolyCourtyardBack().OutlineCount() == 0 &&
is_ok )
{
msg.Printf( _( "footprint \"%s\" has no courtyard defined" ),
footprint->GetReference().GetData() );
m_currentMarker = fillMarker( footprint->GetPosition(),
DRCE_MISSING_COURTYARD_IN_FOOTPRINT,
msg, m_currentMarker );
addMarkerToPcb( m_currentMarker );
m_currentMarker = nullptr;
success = false;
}
}
if( !m_doFootprintOverlapping )
return success;
// Now test for overlapping on top layer:
SHAPE_POLY_SET courtyard; // temporary storage of the courtyard of current footprint
for( MODULE* footprint = m_pcb->m_Modules; footprint; footprint = footprint->Next() )
{
if( footprint->GetPolyCourtyardFront().OutlineCount() == 0 )
continue; // No courtyard defined
for( MODULE* candidate = footprint->Next(); candidate; candidate = candidate->Next() )
{
if( candidate->GetPolyCourtyardFront().OutlineCount() == 0 )
continue; // No courtyard defined
courtyard.RemoveAllContours();
courtyard.Append( footprint->GetPolyCourtyardFront() );
// Build the common area between footprint and the candidate:
courtyard.BooleanIntersection( candidate->GetPolyCourtyardFront(), SHAPE_POLY_SET::PM_FAST );
// If no overlap, courtyard is empty (no common area).
// Therefore if a common polygon exists, this is a DRC error
if( courtyard.OutlineCount() )
{
//Overlap between footprint and candidate
msg.Printf( _( "footprints \"%s\" and \"%s\" overlap on front (top) layer" ),
footprint->GetReference().GetData(),
candidate->GetReference().GetData() );
VECTOR2I& pos = courtyard.Vertex( 0, 0, -1 );
wxPoint loc( pos.x, pos.y );
m_currentMarker = fillMarker( loc, DRCE_OVERLAPPING_FOOTPRINTS, msg, m_currentMarker );
addMarkerToPcb( m_currentMarker );
m_currentMarker = nullptr;
success = false;
}
}
}
// Test for overlapping on bottom layer:
for( MODULE* footprint = m_pcb->m_Modules; footprint; footprint = footprint->Next() )
{
if( footprint->GetPolyCourtyardBack().OutlineCount() == 0 )
continue; // No courtyard defined
for( MODULE* candidate = footprint->Next(); candidate; candidate = candidate->Next() )
{
if( candidate->GetPolyCourtyardBack().OutlineCount() == 0 )
continue; // No courtyard defined
courtyard.RemoveAllContours();
courtyard.Append( footprint->GetPolyCourtyardBack() );
// Build the common area between footprint and the candidate:
courtyard.BooleanIntersection( candidate->GetPolyCourtyardBack(), SHAPE_POLY_SET::PM_FAST );
// If no overlap, courtyard is empty (no common area).
// Therefore if a common polygon exists, this is a DRC error
if( courtyard.OutlineCount() )
{
//Overlap between footprint and candidate
msg.Printf( _( "footprints \"%s\" and \"%s\" overlap on back (bottom) layer" ),
footprint->GetReference().GetData(),
candidate->GetReference().GetData() );
VECTOR2I& pos = courtyard.Vertex( 0, 0, -1 );
wxPoint loc( pos.x, pos.y );
m_currentMarker = fillMarker( loc, DRCE_OVERLAPPING_FOOTPRINTS, msg, m_currentMarker );
addMarkerToPcb( m_currentMarker );
m_currentMarker = nullptr;
success = false;
}
}
}
return success;
}
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