haskal
/
kicad
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
kicad/eeschema/erc.cpp

702 lines
24 KiB
C++
Raw Blame History

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2015 Jean-Pierre Charras, jp.charras at wanadoo.fr
* Copyright (C) 2011 Wayne Stambaugh <stambaughw@gmail.com>
* Copyright (C) 1992-2020 KiCad Developers, see AUTHORS.txt for contributors.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
/**
* @file erc.cpp
* @brief Electrical Rules Check implementation.
*/
#include "connection_graph.h"
#include <erc.h>
#include <kicad_string.h>
#include <lib_pin.h>
#include <sch_edit_frame.h>
#include <sch_marker.h>
#include <sch_reference_list.h>
#include <sch_sheet.h>
#include <schematic.h>
#include <page_layout/ws_draw_item.h>
#include <page_layout/ws_proxy_view_item.h>
#include <wx/ffile.h>
/* ERC tests :
* 1 - conflicts between connected pins ( example: 2 connected outputs )
* 2 - minimal connections requirements ( 1 input *must* be connected to an
* output, or a passive pin )
*/
/*
* Minimal ERC requirements:
* All pins *must* be connected (except ELECTRICAL_PINTYPE::PT_NC).
* When a pin is not connected in schematic, the user must place a "non
* connected" symbol to this pin.
* This ensures a forgotten connection will be detected.
*/
/* Messages for conflicts :
* ELECTRICAL_PINTYPE::PT_INPUT, ELECTRICAL_PINTYPE::PT_OUTPUT, ELECTRICAL_PINTYPE:PT_:BIDI,
* ELECTRICAL_PINTYPE::PT_TRISTATE, ELECTRICAL_PINTYPE::PT_PASSIVE,
* ELECTRICAL_PINTYPE::PT_UNSPECIFIED, ELECTRICAL_PINTYPE::PT_POWER_IN,
* ELECTRICAL_PINTYPE::PT_POWER_OUT, ELECTRICAL_PINTYPE::PT_OPENCOLLECTOR,
* ELECTRICAL_PINTYPE::PT_OPENEMITTER, ELECTRICAL_PINTYPE::PT_NC
*
* These messages are used to show the ERC matrix in ERC dialog
*/
// Messages for matrix rows:
const wxString CommentERC_H[] =
{
_( "Input Pin" ),
_( "Output Pin" ),
_( "Bidirectional Pin" ),
_( "Tri-State Pin" ),
_( "Passive Pin" ),
_( "Unspecified Pin" ),
_( "Power Input Pin" ),
_( "Power Output Pin" ),
_( "Open Collector" ),
_( "Open Emitter" ),
_( "No Connection" )
};
// Messages for matrix columns
const wxString CommentERC_V[] =
{
_( "Input Pin" ),
_( "Output Pin" ),
_( "Bidirectional Pin" ),
_( "Tri-State Pin" ),
_( "Passive Pin" ),
_( "Unspecified Pin" ),
_( "Power Input Pin" ),
_( "Power Output Pin" ),
_( "Open Collector" ),
_( "Open Emitter" ),
_( "No Connection" )
};
// List of pin types that are considered drivers
const std::set<ELECTRICAL_PINTYPE> DrivingPinTypes =
{
ELECTRICAL_PINTYPE::PT_OUTPUT,
ELECTRICAL_PINTYPE::PT_POWER_OUT
};
// List of pin types that require a driver elsewhere on the net
const std::set<ELECTRICAL_PINTYPE> DrivenPinTypes =
{
ELECTRICAL_PINTYPE::PT_INPUT,
ELECTRICAL_PINTYPE::PT_POWER_IN
};
int ERC_TESTER::TestDuplicateSheetNames( bool aCreateMarker )
{
SCH_SCREEN* screen;
int err_count = 0;
SCH_SCREENS screenList( m_schematic->Root() );
for( screen = screenList.GetFirst(); screen != nullptr; screen = screenList.GetNext() )
{
std::vector<SCH_SHEET*> list;
for( SCH_ITEM* item : screen->Items().OfType( SCH_SHEET_T ) )
list.push_back( static_cast<SCH_SHEET*>( item ) );
for( size_t i = 0; i < list.size(); i++ )
{
SCH_SHEET* sheet = list[i];
for( size_t j = i + 1; j < list.size(); j++ )
{
SCH_SHEET* test_item = list[j];
// We have found a second sheet: compare names
// we are using case insensitive comparison to avoid mistakes between
// similar names like Mysheet and mysheet
if( sheet->GetName().CmpNoCase( test_item->GetName() ) == 0 )
{
if( aCreateMarker )
{
std::shared_ptr<ERC_ITEM> ercItem = ERC_ITEM::Create( ERCE_DUPLICATE_SHEET_NAME );
ercItem->SetItems( sheet, test_item );
SCH_MARKER* marker = new SCH_MARKER( ercItem, sheet->GetPosition() );
screen->Append( marker );
}
err_count++;
}
}
}
}
return err_count;
}
void ERC_TESTER::TestTextVars( KIGFX::WS_PROXY_VIEW_ITEM* aWorksheet )
{
WS_DRAW_ITEM_LIST wsItems;
auto unresolved = [this]( wxString str )
{
str = ExpandEnvVarSubstitutions( str, &m_schematic->Prj() );
return str.Matches( wxT( "*${*}*" ) );
};
if( aWorksheet )
{
wsItems.SetMilsToIUfactor( IU_PER_MILS );
wsItems.SetPageNumber( "1" );
wsItems.SetSheetCount( 1 );
wsItems.SetFileName( "dummyFilename" );
wsItems.SetSheetName( "dummySheet" );
wsItems.SetSheetLayer( "dummyLayer" );
wsItems.SetProject( &m_schematic->Prj() );
wsItems.BuildWorkSheetGraphicList( aWorksheet->GetPageInfo(), aWorksheet->GetTitleBlock() );
}
SCH_SHEET_PATH savedCurrentSheet = m_schematic->CurrentSheet();
SCH_SHEET_LIST sheets = m_schematic->GetSheets();
for( SCH_SHEET_PATH& sheet : sheets )
{
m_schematic->SetCurrentSheet( sheet );
SCH_SCREEN* screen = sheet.LastScreen();
for( SCH_ITEM* item : screen->Items().OfType( SCH_LOCATE_ANY_T ) )
{
if( item->Type() == SCH_COMPONENT_T )
{
SCH_COMPONENT* component = static_cast<SCH_COMPONENT*>( item );
for( SCH_FIELD& field : component->GetFields() )
{
if( unresolved( field.GetShownText() ) )
{
wxPoint pos = field.GetPosition() - component->GetPosition();
pos = component->GetTransform().TransformCoordinate( pos );
pos += component->GetPosition();
std::shared_ptr<ERC_ITEM> ercItem = ERC_ITEM::Create( ERCE_UNRESOLVED_VARIABLE );
ercItem->SetItems( &field );
SCH_MARKER* marker = new SCH_MARKER( ercItem, pos );
screen->Append( marker );
}
}
}
else if( item->Type() == SCH_SHEET_T )
{
SCH_SHEET* subSheet = static_cast<SCH_SHEET*>( item );
for( SCH_FIELD& field : subSheet->GetFields() )
{
if( unresolved( field.GetShownText() ) )
{
std::shared_ptr<ERC_ITEM> ercItem = ERC_ITEM::Create( ERCE_UNRESOLVED_VARIABLE );
ercItem->SetItems( &field );
SCH_MARKER* marker = new SCH_MARKER( ercItem, field.GetPosition() );
screen->Append( marker );
}
}
for( SCH_SHEET_PIN* pin : static_cast<SCH_SHEET*>( item )->GetPins() )
{
if( pin->GetShownText().Matches( wxT( "*${*}*" ) ) )
{
std::shared_ptr<ERC_ITEM> ercItem = ERC_ITEM::Create( ERCE_UNRESOLVED_VARIABLE );
ercItem->SetItems( pin );
SCH_MARKER* marker = new SCH_MARKER( ercItem, pin->GetPosition() );
screen->Append( marker );
}
}
}
else if( SCH_TEXT* text = dynamic_cast<SCH_TEXT*>( item ) )
{
if( text->GetShownText().Matches( wxT( "*${*}*" ) ) )
{
std::shared_ptr<ERC_ITEM> ercItem = ERC_ITEM::Create( ERCE_UNRESOLVED_VARIABLE );
ercItem->SetItems( text );
SCH_MARKER* marker = new SCH_MARKER( ercItem, text->GetPosition() );
screen->Append( marker );
}
}
}
for( WS_DRAW_ITEM_BASE* item = wsItems.GetFirst(); item; item = wsItems.GetNext() )
{
if( WS_DRAW_ITEM_TEXT* text = dynamic_cast<WS_DRAW_ITEM_TEXT*>( item ) )
{
if( text->GetShownText().Matches( wxT( "*${*}*" ) ) )
{
std::shared_ptr<ERC_ITEM> ercItem = ERC_ITEM::Create( ERCE_UNRESOLVED_VARIABLE );
ercItem->SetErrorMessage( _( "Unresolved text variable in worksheet." ) );
SCH_MARKER* marker = new SCH_MARKER( ercItem, text->GetPosition() );
screen->Append( marker );
}
}
}
}
m_schematic->SetCurrentSheet( savedCurrentSheet );
}
int ERC_TESTER::TestConflictingBusAliases()
{
wxString msg;
int err_count = 0;
SCH_SCREENS screens( m_schematic->Root() );
std::vector< std::shared_ptr<BUS_ALIAS> > aliases;
for( SCH_SCREEN* screen = screens.GetFirst(); screen != NULL; screen = screens.GetNext() )
{
std::unordered_set< std::shared_ptr<BUS_ALIAS> > screen_aliases = screen->GetBusAliases();
for( const std::shared_ptr<BUS_ALIAS>& alias : screen_aliases )
{
for( const std::shared_ptr<BUS_ALIAS>& test : aliases )
{
if( alias->GetName() == test->GetName() && alias->Members() != test->Members() )
{
msg.Printf( _( "Bus alias %s has conflicting definitions on %s and %s" ),
alias->GetName(),
alias->GetParent()->GetFileName(),
test->GetParent()->GetFileName() );
std::shared_ptr<ERC_ITEM> ercItem = ERC_ITEM::Create( ERCE_BUS_ALIAS_CONFLICT );
ercItem->SetErrorMessage( msg );
SCH_MARKER* marker = new SCH_MARKER( ercItem, wxPoint() );
test->GetParent()->Append( marker );
++err_count;
}
}
}
aliases.insert( aliases.end(), screen_aliases.begin(), screen_aliases.end() );
}
return err_count;
}
int ERC_TESTER::TestMultiunitFootprints()
{
SCH_SHEET_LIST sheets = m_schematic->GetSheets();
int errors = 0;
std::map<wxString, LIB_ID> footprints;
SCH_MULTI_UNIT_REFERENCE_MAP refMap;
sheets.GetMultiUnitComponents( refMap, true );
for( std::pair<const wxString, SCH_REFERENCE_LIST>& component : refMap )
{
SCH_REFERENCE_LIST& refList = component.second;
if( refList.GetCount() == 0 )
{
wxFAIL; // it should not happen
continue;
}
// Reference footprint
SCH_COMPONENT* unit = nullptr;
wxString unitName;
wxString unitFP;
for( unsigned i = 0; i < refList.GetCount(); ++i )
{
SCH_SHEET_PATH sheetPath = refList.GetItem( i ).GetSheetPath();
unitFP = refList.GetItem( i ).GetFootprint();
if( !unitFP.IsEmpty() )
{
unit = refList.GetItem( i ).GetComp();
unitName = unit->GetRef( &sheetPath, true );
break;
}
}
for( unsigned i = 0; i < refList.GetCount(); ++i )
{
SCH_REFERENCE& secondRef = refList.GetItem( i );
SCH_COMPONENT* secondUnit = secondRef.GetComp();
wxString secondName = secondUnit->GetRef( &secondRef.GetSheetPath(), true );
const wxString secondFp = secondRef.GetFootprint();
wxString msg;
if( unit && !secondFp.IsEmpty() && unitFP != secondFp )
{
msg.Printf( _( "Different footprints assigned to %s and %s" ),
unitName, secondName );
std::shared_ptr<ERC_ITEM> ercItem = ERC_ITEM::Create( ERCE_DIFFERENT_UNIT_FP );
ercItem->SetErrorMessage( msg );
ercItem->SetItems( unit, secondUnit );
SCH_MARKER* marker = new SCH_MARKER( ercItem, secondUnit->GetPosition() );
secondRef.GetSheetPath().LastScreen()->Append( marker );
++errors;
}
}
}
return errors;
}
int ERC_TESTER::TestNoConnectPins()
{
int err_count = 0;
for( const SCH_SHEET_PATH& sheet : m_schematic->GetSheets() )
{
std::map<wxPoint, std::vector<SCH_PIN*>> pinMap;
for( SCH_ITEM* item : sheet.LastScreen()->Items().OfType( SCH_COMPONENT_T ) )
{
SCH_COMPONENT* comp = static_cast<SCH_COMPONENT*>( item );
for( SCH_PIN* pin : comp->GetPins( &sheet ) )
{
if( pin->GetLibPin()->GetType() == ELECTRICAL_PINTYPE::PT_NC )
pinMap[pin->GetPosition()].emplace_back( pin );
}
}
for( auto& pair : pinMap )
{
if( pair.second.size() > 1 )
{
err_count++;
std::shared_ptr<ERC_ITEM> ercItem = ERC_ITEM::Create( ERCE_NOCONNECT_CONNECTED );
ercItem->SetItems( pair.second[0], pair.second[1],
pair.second.size() > 2 ? pair.second[2] : nullptr,
pair.second.size() > 3 ? pair.second[3] : nullptr );
ercItem->SetErrorMessage( _( "Pins with \"no connection\" type are connected" ) );
SCH_MARKER* marker = new SCH_MARKER( ercItem, pair.first );
sheet.LastScreen()->Append( marker );
}
}
}
return err_count;
}
int ERC_TESTER::TestPinToPin()
{
ERC_SETTINGS& settings = m_schematic->ErcSettings();
const NET_MAP& nets = m_schematic->ConnectionGraph()->GetNetMap();
int errors = 0;
for( const std::pair<NET_NAME_CODE, std::vector<CONNECTION_SUBGRAPH*>> net : nets )
{
std::vector<SCH_PIN*> pins;
std::unordered_map<EDA_ITEM*, SCH_SCREEN*> pinToScreenMap;
for( CONNECTION_SUBGRAPH* subgraph: net.second )
{
for( EDA_ITEM* item : subgraph->m_items )
{
if( item->Type() == SCH_PIN_T )
{
pins.emplace_back( static_cast<SCH_PIN*>( item ) );
pinToScreenMap[item] = subgraph->m_sheet.LastScreen();
}
}
}
// Single-pin nets are handled elsewhere
if( pins.size() < 2 )
continue;
std::set<std::pair<SCH_PIN*, SCH_PIN*>> tested;
SCH_PIN* needsDriver = nullptr;
bool hasDriver = false;
for( SCH_PIN* refPin : pins )
{
ELECTRICAL_PINTYPE refType = refPin->GetType();
if( DrivenPinTypes.count( refType ) )
{
// needsDriver will be the pin shown in the error report eventually, so try to
// upgrade to a "better" pin if possible: something visible and not a power symbol
if( !needsDriver ||
( !needsDriver->IsVisible() && refPin->IsVisible() ) ||
( needsDriver->IsPowerConnection() && !refPin->IsPowerConnection() ) )
needsDriver = refPin;
}
hasDriver |= DrivingPinTypes.count( refType );
for( SCH_PIN* testPin : pins )
{
if( testPin == refPin )
continue;
std::pair<SCH_PIN*, SCH_PIN*> pair1 = std::make_pair( refPin, testPin );
std::pair<SCH_PIN*, SCH_PIN*> pair2 = std::make_pair( testPin, refPin );
if( tested.count( pair1 ) || tested.count( pair2 ) )
continue;
tested.insert( pair1 );
tested.insert( pair2 );
ELECTRICAL_PINTYPE testType = testPin->GetType();
hasDriver |= DrivingPinTypes.count( testType );
PIN_ERROR erc = settings.GetPinMapValue( refType, testType );
if( erc != PIN_ERROR::OK )
{
std::shared_ptr<ERC_ITEM> ercItem =
ERC_ITEM::Create( erc == PIN_ERROR::WARNING ? ERCE_PIN_TO_PIN_WARNING :
ERCE_PIN_TO_PIN_ERROR );
ercItem->SetItems( refPin, testPin );
ercItem->SetErrorMessage(
wxString::Format( _( "Pins of type %s and %s are connected" ),
ElectricalPinTypeGetText( refType ),
ElectricalPinTypeGetText( testType ) ) );
SCH_MARKER* marker =
new SCH_MARKER( ercItem, refPin->GetTransformedPosition() );
pinToScreenMap[refPin]->Append( marker );
errors++;
}
}
}
if( needsDriver && !hasDriver )
{
std::shared_ptr<ERC_ITEM> ercItem = ERC_ITEM::Create( ERCE_PIN_NOT_DRIVEN );
ercItem->SetItems( needsDriver );
SCH_MARKER* marker = new SCH_MARKER( ercItem, needsDriver->GetTransformedPosition() );
pinToScreenMap[needsDriver]->Append( marker );
errors++;
}
}
return errors;
}
int ERC_TESTER::TestMultUnitPinConflicts()
{
const NET_MAP& nets = m_schematic->ConnectionGraph()->GetNetMap();
int errors = 0;
std::unordered_map<wxString, std::pair<wxString, SCH_PIN*>> pinToNetMap;
for( const std::pair<NET_NAME_CODE, std::vector<CONNECTION_SUBGRAPH*>> net : nets )
{
const wxString& netName = net.first.first;
std::vector<SCH_PIN*> pins;
for( CONNECTION_SUBGRAPH* subgraph : net.second )
{
for( EDA_ITEM* item : subgraph->m_items )
{
if( item->Type() == SCH_PIN_T )
{
SCH_PIN* pin = static_cast<SCH_PIN*>( item );
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 );
errors += 1;
}
}
}
}
}
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 );
errors += 1;
}
break;
}
default:
break;
}
}
}
}
return errors;
}
int ERC_TESTER::TestLibSymbolIssues()
{
wxCHECK( m_schematic, 0 );
wxString msg;
int err_count = 0;
SCH_SCREENS screens( m_schematic->Root() );
for( SCH_SCREEN* screen = screens.GetFirst(); screen != NULL; screen = screens.GetNext() )
{
std::vector<SCH_MARKER*> markers;
for( SCH_ITEM* item : screen->Items().OfType( SCH_COMPONENT_T ) )
{
SCH_COMPONENT* symbol = dynamic_cast<SCH_COMPONENT*>( item );
wxCHECK2( symbol, continue );
LIB_PART* libSymbolInSchematic = screen->GetLibSymbols()[
symbol->GetLibId().GetUniStringLibId() ];
wxCHECK2( libSymbolInSchematic, continue );
LIB_PART* libSymbol = SchGetLibPart( symbol->GetLibId(),
m_schematic->Prj().SchSymbolLibTable() );
if( libSymbol == nullptr )
{
std::shared_ptr<ERC_ITEM> ercItem = ERC_ITEM::Create( ERCE_LIB_SYMBOL_ISSUES );
ercItem->SetItems( symbol );
msg.Printf( "Library symbol link \"%s\" cannot be found in symbol library table",
symbol->GetLibId().GetUniStringLibId() );
ercItem->SetErrorMessage( msg );
markers.emplace_back( new SCH_MARKER( ercItem, symbol->GetPosition() ) );
}
else
{
std::unique_ptr<LIB_PART> flattenedSymbol = libSymbol->Flatten();
if( *flattenedSymbol != *libSymbolInSchematic )
{
std::shared_ptr<ERC_ITEM> ercItem = ERC_ITEM::Create( ERCE_LIB_SYMBOL_ISSUES );
ercItem->SetItems( symbol );
msg.Printf( "Library symbol \"%s\" has been modified",
symbol->GetLibId().GetUniStringLibId() );
ercItem->SetErrorMessage( msg );
markers.emplace_back( new SCH_MARKER( ercItem, symbol->GetPosition() ) );
}
}
}
for( SCH_MARKER* marker : markers )
{
screen->Append( marker );
err_count += 1;
}
}
return err_count;
}
Reference in New Issue View Git Blame Copy Permalink