592 lines
20 KiB
C++
592 lines
20 KiB
C++
/*
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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) 2015 Jean-Pierre Charras, jp.charras at wanadoo.fr
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* Copyright (C) 2011-2016 Wayne Stambaugh <stambaughw@verizon.net>
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* Copyright (C) 1992-2016 KiCad Developers, see AUTHORS.txt for contributors.
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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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/**
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* @file erc.cpp
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* @brief Electrical Rules Check implementation.
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*/
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#include "connection_graph.h"
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#include <erc.h>
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#include <fctsys.h>
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#include <kicad_string.h>
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#include <lib_pin.h>
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#include <sch_edit_frame.h>
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#include <sch_marker.h>
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#include <sch_reference_list.h>
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#include <sch_sheet.h>
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#include <schematic.h>
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#include <ws_draw_item.h>
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#include <ws_proxy_view_item.h>
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#include <wx/ffile.h>
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/* ERC tests :
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* 1 - conflicts between connected pins ( example: 2 connected outputs )
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* 2 - minimal connections requirements ( 1 input *must* be connected to an
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* output, or a passive pin )
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*/
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/*
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* Minimal ERC requirements:
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* All pins *must* be connected (except ELECTRICAL_PINTYPE::PT_NC).
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* When a pin is not connected in schematic, the user must place a "non
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* connected" symbol to this pin.
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* This ensures a forgotten connection will be detected.
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*/
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/* Messages for conflicts :
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* ELECTRICAL_PINTYPE::PT_INPUT, ELECTRICAL_PINTYPE::PT_OUTPUT, ELECTRICAL_PINTYPE:PT_:BIDI, ELECTRICAL_PINTYPE::PT_TRISTATE, ELECTRICAL_PINTYPE::PT_PASSIVE,
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* ELECTRICAL_PINTYPE::PT_UNSPECIFIED, ELECTRICAL_PINTYPE::PT_POWER_IN, ELECTRICAL_PINTYPE::PT_POWER_OUT, ELECTRICAL_PINTYPE::PT_OPENCOLLECTOR,
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* ELECTRICAL_PINTYPE::PT_OPENEMITTER, ELECTRICAL_PINTYPE::PT_NC
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* These messages are used to show the ERC matrix in ERC dialog
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*/
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// Messages for matrix rows:
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const wxString CommentERC_H[] =
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{
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_( "Input Pin" ),
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_( "Output Pin" ),
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_( "Bidirectional Pin" ),
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_( "Tri-State Pin" ),
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_( "Passive Pin" ),
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_( "Unspecified Pin" ),
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_( "Power Input Pin" ),
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_( "Power Output Pin" ),
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_( "Open Collector" ),
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_( "Open Emitter" ),
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_( "No Connection" )
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};
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// Messages for matrix columns
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const wxString CommentERC_V[] =
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{
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_( "Input Pin" ),
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_( "Output Pin" ),
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_( "Bidirectional Pin" ),
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_( "Tri-State Pin" ),
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_( "Passive Pin" ),
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_( "Unspecified Pin" ),
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_( "Power Input Pin" ),
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_( "Power Output Pin" ),
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_( "Open Collector" ),
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_( "Open Emitter" ),
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_( "No Connection" )
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};
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int ERC_TESTER::TestDuplicateSheetNames( bool aCreateMarker )
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{
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SCH_SCREEN* screen;
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int err_count = 0;
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SCH_SCREENS screenList( m_schematic->Root() );
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for( screen = screenList.GetFirst(); screen != nullptr; screen = screenList.GetNext() )
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{
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std::vector<SCH_SHEET*> list;
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for( SCH_ITEM* item : screen->Items().OfType( SCH_SHEET_T ) )
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list.push_back( static_cast<SCH_SHEET*>( item ) );
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for( size_t i = 0; i < list.size(); i++ )
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{
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SCH_SHEET* sheet = list[i];
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for( size_t j = i + 1; j < list.size(); j++ )
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{
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SCH_SHEET* test_item = list[j];
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// We have found a second sheet: compare names
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// we are using case insensitive comparison to avoid mistakes between
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// similar names like Mysheet and mysheet
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if( sheet->GetName().CmpNoCase( test_item->GetName() ) == 0 )
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{
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if( aCreateMarker )
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{
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std::shared_ptr<ERC_ITEM> ercItem = ERC_ITEM::Create( ERCE_DUPLICATE_SHEET_NAME );
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ercItem->SetItems( sheet, test_item );
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SCH_MARKER* marker = new SCH_MARKER( ercItem, sheet->GetPosition() );
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screen->Append( marker );
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}
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err_count++;
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}
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}
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}
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}
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return err_count;
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}
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void ERC_TESTER::TestTextVars( KIGFX::WS_PROXY_VIEW_ITEM* aWorksheet )
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{
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WS_DRAW_ITEM_LIST wsItems;
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auto unresolved = [this]( wxString str )
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{
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str = ExpandEnvVarSubstitutions( str, &m_schematic->Prj() );
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return str.Matches( wxT( "*${*}*" ) );
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};
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if( aWorksheet )
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{
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wsItems.SetMilsToIUfactor( IU_PER_MILS );
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wsItems.SetSheetNumber( 1 );
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wsItems.SetSheetCount( 1 );
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wsItems.SetFileName( "dummyFilename" );
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wsItems.SetSheetName( "dummySheet" );
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wsItems.SetSheetLayer( "dummyLayer" );
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wsItems.SetProject( &m_schematic->Prj() );
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wsItems.BuildWorkSheetGraphicList( aWorksheet->GetPageInfo(), aWorksheet->GetTitleBlock() );
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}
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SCH_SHEET_PATH savedCurrentSheet = m_schematic->CurrentSheet();
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SCH_SHEET_LIST sheets = m_schematic->GetSheets();
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for( SCH_SHEET_PATH& sheet : sheets )
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{
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m_schematic->SetCurrentSheet( sheet );
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SCH_SCREEN* screen = sheet.LastScreen();
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for( SCH_ITEM* item : screen->Items().OfType( SCH_LOCATE_ANY_T ) )
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{
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if( item->Type() == SCH_COMPONENT_T )
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{
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SCH_COMPONENT* component = static_cast<SCH_COMPONENT*>( item );
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for( SCH_FIELD& field : component->GetFields() )
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{
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if( unresolved( field.GetShownText() ) )
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{
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wxPoint pos = field.GetPosition() - component->GetPosition();
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pos = component->GetTransform().TransformCoordinate( pos );
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pos += component->GetPosition();
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std::shared_ptr<ERC_ITEM> ercItem = ERC_ITEM::Create( ERCE_UNRESOLVED_VARIABLE );
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ercItem->SetItems( &field );
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SCH_MARKER* marker = new SCH_MARKER( ercItem, pos );
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screen->Append( marker );
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}
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}
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}
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else if( item->Type() == SCH_SHEET_T )
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{
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SCH_SHEET* subSheet = static_cast<SCH_SHEET*>( item );
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for( SCH_FIELD& field : subSheet->GetFields() )
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{
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if( unresolved( field.GetShownText() ) )
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{
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std::shared_ptr<ERC_ITEM> ercItem = ERC_ITEM::Create( ERCE_UNRESOLVED_VARIABLE );
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ercItem->SetItems( &field );
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SCH_MARKER* marker = new SCH_MARKER( ercItem, field.GetPosition() );
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screen->Append( marker );
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}
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}
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for( SCH_SHEET_PIN* pin : static_cast<SCH_SHEET*>( item )->GetPins() )
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{
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if( pin->GetShownText().Matches( wxT( "*${*}*" ) ) )
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{
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std::shared_ptr<ERC_ITEM> ercItem = ERC_ITEM::Create( ERCE_UNRESOLVED_VARIABLE );
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ercItem->SetItems( pin );
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SCH_MARKER* marker = new SCH_MARKER( ercItem, pin->GetPosition() );
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screen->Append( marker );
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}
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}
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}
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else if( SCH_TEXT* text = dynamic_cast<SCH_TEXT*>( item ) )
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{
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if( text->GetShownText().Matches( wxT( "*${*}*" ) ) )
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{
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std::shared_ptr<ERC_ITEM> ercItem = ERC_ITEM::Create( ERCE_UNRESOLVED_VARIABLE );
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ercItem->SetItems( text );
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SCH_MARKER* marker = new SCH_MARKER( ercItem, text->GetPosition() );
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screen->Append( marker );
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}
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}
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}
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for( WS_DRAW_ITEM_BASE* item = wsItems.GetFirst(); item; item = wsItems.GetNext() )
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{
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if( WS_DRAW_ITEM_TEXT* text = dynamic_cast<WS_DRAW_ITEM_TEXT*>( item ) )
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{
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if( text->GetShownText().Matches( wxT( "*${*}*" ) ) )
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{
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std::shared_ptr<ERC_ITEM> ercItem = ERC_ITEM::Create( ERCE_UNRESOLVED_VARIABLE );
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ercItem->SetErrorMessage( _( "Unresolved text variable in worksheet." ) );
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SCH_MARKER* marker = new SCH_MARKER( ercItem, text->GetPosition() );
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screen->Append( marker );
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}
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}
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}
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}
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m_schematic->SetCurrentSheet( savedCurrentSheet );
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}
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int ERC_TESTER::TestConflictingBusAliases()
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{
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wxString msg;
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int err_count = 0;
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SCH_SCREENS screens( m_schematic->Root() );
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std::vector< std::shared_ptr<BUS_ALIAS> > aliases;
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for( SCH_SCREEN* screen = screens.GetFirst(); screen != NULL; screen = screens.GetNext() )
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{
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std::unordered_set< std::shared_ptr<BUS_ALIAS> > screen_aliases = screen->GetBusAliases();
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for( const std::shared_ptr<BUS_ALIAS>& alias : screen_aliases )
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{
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for( const std::shared_ptr<BUS_ALIAS>& test : aliases )
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{
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if( alias->GetName() == test->GetName() && alias->Members() != test->Members() )
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{
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msg.Printf( _( "Bus alias %s has conflicting definitions on %s and %s" ),
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alias->GetName(),
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alias->GetParent()->GetFileName(),
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test->GetParent()->GetFileName() );
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std::shared_ptr<ERC_ITEM> ercItem = ERC_ITEM::Create( ERCE_BUS_ALIAS_CONFLICT );
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ercItem->SetErrorMessage( msg );
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SCH_MARKER* marker = new SCH_MARKER( ercItem, wxPoint() );
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test->GetParent()->Append( marker );
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++err_count;
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}
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}
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}
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aliases.insert( aliases.end(), screen_aliases.begin(), screen_aliases.end() );
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}
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return err_count;
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}
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int ERC_TESTER::TestMultiunitFootprints()
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{
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SCH_SHEET_LIST sheets = m_schematic->GetSheets();
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int errors = 0;
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std::map<wxString, LIB_ID> footprints;
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SCH_MULTI_UNIT_REFERENCE_MAP refMap;
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sheets.GetMultiUnitComponents( refMap, true );
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for( std::pair<const wxString, SCH_REFERENCE_LIST>& component : refMap )
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{
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SCH_REFERENCE_LIST& refList = component.second;
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if( refList.GetCount() == 0 )
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{
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wxFAIL; // it should not happen
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continue;
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}
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// Reference footprint
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SCH_COMPONENT* unit = nullptr;
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wxString unitName;
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wxString unitFP;
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for( unsigned i = 0; i < refList.GetCount(); ++i )
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{
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SCH_SHEET_PATH sheetPath = refList.GetItem( i ).GetSheetPath();
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unitFP = refList.GetItem( i ).GetFootprint();
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if( !unitFP.IsEmpty() )
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{
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unit = refList.GetItem( i ).GetComp();
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unitName = unit->GetRef( &sheetPath, true );
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break;
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}
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}
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for( unsigned i = 0; i < refList.GetCount(); ++i )
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{
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SCH_REFERENCE& secondRef = refList.GetItem( i );
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SCH_COMPONENT* secondUnit = secondRef.GetComp();
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wxString secondName = secondUnit->GetRef( &secondRef.GetSheetPath(), true );
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const wxString secondFp = secondRef.GetFootprint();
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wxString msg;
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if( unit && !secondFp.IsEmpty() && unitFP != secondFp )
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{
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msg.Printf( _( "Different footprints assigned to %s and %s" ),
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unitName, secondName );
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std::shared_ptr<ERC_ITEM> ercItem = ERC_ITEM::Create( ERCE_DIFFERENT_UNIT_FP );
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ercItem->SetErrorMessage( msg );
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ercItem->SetItems( unit, secondUnit );
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SCH_MARKER* marker = new SCH_MARKER( ercItem, secondUnit->GetPosition() );
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secondRef.GetSheetPath().LastScreen()->Append( marker );
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++errors;
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}
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}
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}
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return errors;
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}
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int ERC_TESTER::TestNoConnectPins()
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{
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int err_count = 0;
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for( const SCH_SHEET_PATH& sheet : m_schematic->GetSheets() )
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{
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std::map<wxPoint, std::vector<SCH_PIN*>> pinMap;
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for( SCH_ITEM* item : sheet.LastScreen()->Items().OfType( SCH_COMPONENT_T ) )
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{
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SCH_COMPONENT* comp = static_cast<SCH_COMPONENT*>( item );
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for( SCH_PIN* pin : comp->GetPins( &sheet ) )
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{
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if( pin->GetLibPin()->GetType() == ELECTRICAL_PINTYPE::PT_NC )
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pinMap[pin->GetPosition()].emplace_back( pin );
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}
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}
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for( auto& pair : pinMap )
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{
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if( pair.second.size() > 1 )
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{
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err_count++;
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std::shared_ptr<ERC_ITEM> ercItem = ERC_ITEM::Create( ERCE_NOCONNECT_CONNECTED );
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ercItem->SetItems( pair.second[0], pair.second[1],
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pair.second.size() > 2 ? pair.second[2] : nullptr,
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pair.second.size() > 3 ? pair.second[3] : nullptr );
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ercItem->SetErrorMessage( _( "Pins with \"no connection\" type are connected" ) );
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SCH_MARKER* marker = new SCH_MARKER( ercItem, pair.first );
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sheet.LastScreen()->Append( marker );
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}
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}
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}
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return err_count;
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}
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int ERC_TESTER::TestPinToPin()
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{
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ERC_SETTINGS& settings = m_schematic->ErcSettings();
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const NET_MAP& nets = m_schematic->ConnectionGraph()->GetNetMap();
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int errors = 0;
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for( const std::pair<NET_NAME_CODE, std::vector<CONNECTION_SUBGRAPH*>> net : nets )
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{
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std::vector<SCH_PIN*> pins;
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std::unordered_map<EDA_ITEM*, SCH_SCREEN*> pinToScreenMap;
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for( CONNECTION_SUBGRAPH* subgraph: net.second )
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{
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for( EDA_ITEM* item : subgraph->m_items )
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{
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if( item->Type() == SCH_PIN_T )
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{
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pins.emplace_back( static_cast<SCH_PIN*>( item ) );
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pinToScreenMap[item] = subgraph->m_sheet.LastScreen();
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}
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}
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}
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// Single-pin nets are handled elsewhere
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if( pins.size() < 2 )
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continue;
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std::set<std::pair<SCH_PIN*, SCH_PIN*>> tested;
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for( SCH_PIN* refPin : pins )
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{
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ELECTRICAL_PINTYPE refType = refPin->GetType();
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for( SCH_PIN* testPin : pins )
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{
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if( testPin == refPin )
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continue;
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std::pair<SCH_PIN*, SCH_PIN*> pair1 = std::make_pair( refPin, testPin );
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std::pair<SCH_PIN*, SCH_PIN*> pair2 = std::make_pair( testPin, refPin );
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if( tested.count( pair1 ) || tested.count( pair2 ) )
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continue;
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tested.insert( pair1 );
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tested.insert( pair2 );
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ELECTRICAL_PINTYPE testType = testPin->GetType();
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PIN_ERROR erc = settings.GetPinMapValue( refType, testType );
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if( erc != PIN_ERROR::OK )
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{
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std::shared_ptr<ERC_ITEM> ercItem =
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ERC_ITEM::Create( erc == PIN_ERROR::WARNING ? ERCE_PIN_TO_PIN_WARNING :
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ERCE_PIN_TO_PIN_ERROR );
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ercItem->SetItems( refPin, testPin );
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ercItem->SetErrorMessage(
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wxString::Format( _( "Pins of type %s and %s are connected" ),
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ElectricalPinTypeGetText( refType ),
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ElectricalPinTypeGetText( testType ) ) );
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SCH_MARKER* marker =
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new SCH_MARKER( ercItem, refPin->GetTransformedPosition() );
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pinToScreenMap[refPin]->Append( marker );
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errors++;
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}
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}
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}
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}
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return errors;
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}
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int ERC_TESTER::TestMultUnitPinConflicts()
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{
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const NET_MAP& nets = m_schematic->ConnectionGraph()->GetNetMap();
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int errors = 0;
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std::unordered_map<wxString, std::pair<wxString, SCH_PIN*>> pinToNetMap;
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for( const std::pair<NET_NAME_CODE, std::vector<CONNECTION_SUBGRAPH*>> net : nets )
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{
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const wxString& netName = net.first.first;
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std::vector<SCH_PIN*> pins;
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for( CONNECTION_SUBGRAPH* subgraph : net.second )
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{
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for( EDA_ITEM* item : subgraph->m_items )
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{
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if( item->Type() == SCH_PIN_T )
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{
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SCH_PIN* pin = static_cast<SCH_PIN*>( item );
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if( !pin->GetLibPin()->GetParent()->IsMulti() )
|
|
continue;
|
|
|
|
wxString name = ( pin->GetParentComponent()->GetRef( &subgraph->m_sheet ) +
|
|
":" + pin->GetNumber() );
|
|
|
|
if( !pinToNetMap.count( name ) )
|
|
{
|
|
pinToNetMap[name] = std::make_pair( netName, pin );
|
|
}
|
|
else if( pinToNetMap[name].first != netName )
|
|
{
|
|
std::shared_ptr<ERC_ITEM> ercItem =
|
|
ERC_ITEM::Create( ERCE_DIFFERENT_UNIT_NET );
|
|
|
|
ercItem->SetErrorMessage( wxString::Format(
|
|
_( "Pin %s is connected to both %s and %s" ),
|
|
pin->GetNumber(), netName, pinToNetMap[name].first ) );
|
|
|
|
ercItem->SetItems( pin, pinToNetMap[name].second );
|
|
|
|
SCH_MARKER* marker = new SCH_MARKER( ercItem,
|
|
pin->GetTransformedPosition() );
|
|
subgraph->m_sheet.LastScreen()->Append( marker );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return errors;
|
|
}
|
|
|
|
|
|
int ERC_TESTER::TestSimilarLabels()
|
|
{
|
|
const NET_MAP& nets = m_schematic->ConnectionGraph()->GetNetMap();
|
|
|
|
int errors = 0;
|
|
|
|
std::unordered_map<wxString, SCH_TEXT*> labelMap;
|
|
|
|
for( const std::pair<NET_NAME_CODE, std::vector<CONNECTION_SUBGRAPH*>> net : nets )
|
|
{
|
|
std::vector<SCH_PIN*> pins;
|
|
|
|
for( CONNECTION_SUBGRAPH* subgraph : net.second )
|
|
{
|
|
for( EDA_ITEM* item : subgraph->m_items )
|
|
{
|
|
switch( item->Type() )
|
|
{
|
|
case SCH_LABEL_T:
|
|
case SCH_HIER_LABEL_T:
|
|
case SCH_GLOBAL_LABEL_T:
|
|
{
|
|
SCH_TEXT* text = static_cast<SCH_TEXT*>( item );
|
|
|
|
wxString normalized = text->GetShownText().Lower();
|
|
|
|
if( !labelMap.count( normalized ) )
|
|
{
|
|
labelMap[normalized] = text;
|
|
}
|
|
else if( labelMap.at( normalized )->GetShownText() != text->GetShownText() )
|
|
{
|
|
std::shared_ptr<ERC_ITEM> ercItem = ERC_ITEM::Create( ERCE_SIMILAR_LABELS );
|
|
ercItem->SetItems( text, labelMap.at( normalized ) );
|
|
|
|
SCH_MARKER* marker = new SCH_MARKER( ercItem, text->GetPosition() );
|
|
subgraph->m_sheet.LastScreen()->Append( marker );
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return errors;
|
|
}
|