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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) 2004-2007 Jean-Pierre Charras, jean-pierre.charras@gipsa-lab.inpg.fr
* Copyright (C) 2007 Dick Hollenbeck, dick@softplc.com
* Copyright (C) 2007 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
*/
/****************************/
/* DRC control */
/****************************/
#include "fctsys.h"
#include "wxPcbStruct.h"
#include "trigo.h"
#include "class_board_design_settings.h"
#include "class_module.h"
#include "class_track.h"
#include "class_pad.h"
#include "class_zone.h"
#include "pcbnew.h"
#include "protos.h"
#include "drc_stuff.h"
#include "dialog_drc.h"
void DRC::ShowDialog()
{
if( !m_ui )
{
m_ui = new DIALOG_DRC_CONTROL( this, m_mainWindow );
updatePointers();
// copy data retained in this DRC object into the m_ui DrcPanel:
PutValueInLocalUnits( *m_ui->m_SetTrackMinWidthCtrl,
m_pcb->GetBoardDesignSettings()->m_TrackMinWidth,
m_mainWindow->m_InternalUnits );
PutValueInLocalUnits( *m_ui->m_SetViaMinSizeCtrl,
m_pcb->GetBoardDesignSettings()->m_ViasMinSize,
m_mainWindow->m_InternalUnits );
PutValueInLocalUnits( *m_ui->m_SetMicroViakMinSizeCtrl,
m_pcb->GetBoardDesignSettings()->m_MicroViasMinSize,
m_mainWindow->m_InternalUnits );
m_ui->m_CreateRptCtrl->SetValue( m_doCreateRptFile );
m_ui->m_RptFilenameCtrl->SetValue( m_rptFilename );
}
else
updatePointers();
m_ui->Show( true );
}
void DRC::DestroyDialog( int aReason )
{
if( m_ui )
{
if( aReason == wxID_OK )
{
// if user clicked OK, save his choices in this DRC object.
m_doCreateRptFile = m_ui->m_CreateRptCtrl->GetValue();
m_rptFilename = m_ui->m_RptFilenameCtrl->GetValue();
}
m_ui->Destroy();
m_ui = 0;
}
}
DRC::DRC( PCB_EDIT_FRAME* aPcbWindow )
{
m_mainWindow = aPcbWindow;
m_pcb = aPcbWindow->GetBoard();
m_ui = 0;
// 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_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_currentMarker->DisplayInfo( m_mainWindow );
return BAD_DRC;
}
return OK_DRC;
}
/**
* Function Drc
* tests the outline segment starting at CornerIndex and returns the result and displays the error
* in the status panel only if one exists.
* Test Edge inside other areas
* Test Edge too close other areas
* @param aArea The areaparent which contains the corner.
* @param aCornerIndex The starting point of the segment to test.
* @return int - BAD_DRC (1) if DRC error or OK_DRC (0) if OK
*/
int DRC::Drc( ZONE_CONTAINER* aArea, int aCornerIndex )
{
updatePointers();
if( !doEdgeZoneDrc( aArea, aCornerIndex ) )
{
wxASSERT( m_currentMarker );
m_currentMarker->DisplayInfo( m_mainWindow );
return BAD_DRC;
}
return OK_DRC;
}
/**
* Function RunTests
* will actually run all the tests specified with a previous call to
* SetSettings()
*/
void DRC::RunTests( wxTextCtrl* aMessages )
{
// Ensure ratsnest is up to date:
if( (m_pcb->m_Status_Pcb & LISTE_RATSNEST_ITEM_OK) == 0 )
{
if( aMessages )
{
aMessages->AppendText( _( "Compile ratsnest...\n" ) );
wxSafeYield();
}
m_mainWindow->Compile_Ratsnest( NULL, true );
}
// 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 g_DesignSettings 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_ui 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();
// 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();
}
m_mainWindow->Fill_All_Zones( false );
// test zone clearances to other zones, pads, tracks, and vias
if( aMessages && m_doZonesTest )
{
aMessages->AppendText( _( "Test zones...\n" ) );
wxSafeYield();
}
testZones( m_doZonesTest );
// find and gather unconnected pads.
if( m_doUnconnectedTest )
{
if( aMessages )
{
aMessages->AppendText( _( "Unconnected pads...\n" ) );
wxSafeYield();
}
testUnconnected();
}
// update the m_ui 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_ui listboxes
updatePointers();
}
void DRC::updatePointers()
{
// update my pointers, m_mainWindow is the only unchangable one
m_pcb = m_mainWindow->GetBoard();
if( m_ui ) // Use diag list boxes only in DRC dialog
{
m_ui->m_ClearanceListBox->SetList( new DRC_LIST_MARKERS( m_pcb ) );
m_ui->m_UnconnectedListBox->SetList( new DRC_LIST_UNCONNECTED( &m_unconnected ) );
}
}
bool DRC::doNetClass( NETCLASS* nc, wxString& msg )
{
bool ret = true;
const BOARD_DESIGN_SETTINGS& g = *m_pcb->GetBoardDesignSettings();
#define FmtVal( x ) GetChars( ReturnStringFromValue( g_UserUnit, x, PCB_INTERNAL_UNIT ) )
#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 )
);
m_currentMarker = fillMarker( DRCE_NETCLASS_CLEARANCE, msg, m_currentMarker );
m_pcb->Add( m_currentMarker );
m_currentMarker = 0;
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 )
);
m_currentMarker = fillMarker( DRCE_NETCLASS_TRACKWIDTH, msg, m_currentMarker );
m_pcb->Add( m_currentMarker );
m_currentMarker = 0;
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 )
);
m_currentMarker = fillMarker( DRCE_NETCLASS_VIASIZE, msg, m_currentMarker );
m_pcb->Add( m_currentMarker );
m_currentMarker = 0;
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 )
);
m_currentMarker = fillMarker( DRCE_NETCLASS_VIADRILLSIZE, msg, m_currentMarker );
m_pcb->Add( m_currentMarker );
m_currentMarker = 0;
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 )
);
m_currentMarker = fillMarker( DRCE_NETCLASS_uVIASIZE, msg, m_currentMarker );
m_pcb->Add( m_currentMarker );
m_currentMarker = 0;
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 )
);
m_currentMarker = fillMarker( DRCE_NETCLASS_uVIADRILLSIZE, msg, m_currentMarker );
m_pcb->Add( m_currentMarker );
m_currentMarker = 0;
ret = false;
}
return ret;
}
bool DRC::testNetClasses()
{
bool ret = true;
NETCLASSES& netclasses = m_pcb->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 )
{
NETCLASS* nc = i->second;
if( !doNetClass( nc, msg ) )
ret = false;
}
return ret;
}
void DRC::testPad2Pad()
{
std::vector<D_PAD*> sortedPads;
m_pcb->GetSortedPadListByXCoord( 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];
// m_ShapeMaxRadius is the radius value of the circle containing the pad
if( pad->m_ShapeMaxRadius > max_size )
max_size = pad->m_ShapeMaxRadius;
}
// 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->m_ShapeMaxRadius + pad->GetPosition().x;
if( !doPadToPadsDrc( pad, &sortedPads[i], listEnd, x_limit ) )
{
wxASSERT( m_currentMarker );
m_pcb->Add( m_currentMarker );
m_currentMarker = 0;
}
}
}
void DRC::testTracks()
{
for( TRACK* segm = m_pcb->m_Track; segm && segm->Next(); segm = segm->Next() )
{
if( !doTrackDrc( segm, segm->Next(), true ) )
{
wxASSERT( m_currentMarker );
m_pcb->Add( m_currentMarker );
m_currentMarker = 0;
}
}
}
void DRC::testUnconnected()
{
if( (m_pcb->m_Status_Pcb & LISTE_RATSNEST_ITEM_OK) == 0 )
{
wxClientDC dc( m_mainWindow->DrawPanel );
m_mainWindow->Compile_Ratsnest( &dc, true );
}
if( m_pcb->GetRatsnestsCount() == 0 )
return;
for( unsigned ii = 0; ii < m_pcb->GetRatsnestsCount(); ++ii )
{
RATSNEST_ITEM* rat = &m_pcb->m_FullRatsnest[ii];
if( (rat->m_Status & CH_ACTIF) == 0 )
continue;
D_PAD* padStart = rat->m_PadStart;
D_PAD* padEnd = rat->m_PadEnd;
DRC_ITEM* uncItem = new DRC_ITEM( DRCE_UNCONNECTED_PADS,
padStart->GetSelectMenuText(),
padEnd->GetSelectMenuText(),
padStart->GetPosition(), padEnd->GetPosition() );
m_unconnected.push_back( uncItem );
}
}
void DRC::testZones( bool adoTestFillSegments )
{
// 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
for( int ii = 0; ii < m_pcb->GetAreaCount(); ii++ )
{
ZONE_CONTAINER* Area_To_Test = m_pcb->GetArea( ii );
if( !Area_To_Test->IsOnCopperLayer() )
continue;
if( Area_To_Test->GetNet() < 0 )
{
m_currentMarker = fillMarker( Area_To_Test,
DRCE_NON_EXISTANT_NET_FOR_ZONE_OUTLINE, m_currentMarker );
m_pcb->Add( m_currentMarker );
m_currentMarker = 0;
}
}
// Test copper areas outlines, and create markers when needed
m_pcb->Test_Drc_Areas_Outlines_To_Areas_Outlines( NULL, true );
TRACK* zoneSeg;
if( !adoTestFillSegments )
return;
// m_pcb->m_Zone is fully obsolete. Keep this test for compatibility
// with old designs. Will be removed on day
for( zoneSeg = m_pcb->m_Zone; zoneSeg && zoneSeg->Next(); zoneSeg = zoneSeg->Next() )
{
// Test zoneSeg with other zone segments and with all pads
if( !doTrackDrc( zoneSeg, zoneSeg->Next(), true ) )
{
wxASSERT( m_currentMarker );
m_pcb->Add( m_currentMarker );
m_currentMarker = 0;
}
// Pads already tested: disable pad test
bool rc = doTrackDrc( zoneSeg, m_pcb->m_Track, false );
if( !rc )
{
wxASSERT( m_currentMarker );
m_pcb->Add( m_currentMarker );
m_currentMarker = 0;
}
}
}
bool DRC::doPadToPadsDrc( D_PAD* aRefPad, D_PAD** aStart, D_PAD** aEnd, int x_limit )
{
int layerMask = aRefPad->m_layerMask & ALL_CU_LAYERS;
/* 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 );
dummypad.m_layerMask |= ALL_CU_LAYERS; // Ensure the hole is on all copper layers
dummypad.m_LocalClearance = 1; /* 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)
*/
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->m_Pos.x > x_limit
// because the list is sorted by X values
if( pad->m_Pos.x > x_limit )
break;
// No problem if pads are on different copper layers,
// but their hole (if any ) can create DRC error because they are on all
// copper layers, so we test them
if( ( pad->m_layerMask & layerMask ) == 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->m_Drill == aRefPad->m_Drill
&& pad->m_DrillShape == aRefPad->m_DrillShape )
{
if( aRefPad->m_DrillShape == PAD_CIRCLE )
continue;
// for oval holes: must also have the same orientation
if( pad->m_Orient == aRefPad->m_Orient )
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->m_Drill.x )
{
// pad under testing has a hole, test this hole against pad reference
dummypad.SetPosition( pad->GetPosition() );
dummypad.m_Size = pad->m_Drill;
dummypad.m_PadShape = (pad->m_DrillShape == PAD_OVAL) ? PAD_OVAL : PAD_CIRCLE;
dummypad.m_Orient = pad->m_Orient;
// compute the radius of the circle containing this pad
dummypad.ComputeShapeMaxRadius();
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->m_Drill.x ) // pad reference has a hole
{
dummypad.SetPosition( aRefPad->GetPosition() );
dummypad.m_Size = aRefPad->m_Drill;
dummypad.m_PadShape = (aRefPad->m_DrillShape == PAD_OVAL) ? PAD_OVAL : PAD_CIRCLE;
dummypad.m_Orient = aRefPad->m_Orient;
// compute the radius of the circle containing this pad
dummypad.ComputeShapeMaxRadius();
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->GetNet() && ( aRefPad->GetNet() == pad->GetNet() ) )
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->m_NumPadName == aRefPad->m_NumPadName )
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;
}
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