611 lines
21 KiB
C++
611 lines
21 KiB
C++
/**************************************/
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/* erc.cpp - Electrical Rules Check */
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/**************************************/
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#include "fctsys.h"
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#include "common.h"
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#include "class_drawpanel.h"
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#include "kicad_string.h"
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#include "bitmaps.h"
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#include "class_sch_screen.h"
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#include "wxEeschemaStruct.h"
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#include "general.h"
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#include "netlist.h"
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#include "lib_pin.h"
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#include "protos.h"
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#include "erc.h"
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#include "sch_marker.h"
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#include "sch_component.h"
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#include "sch_sheet.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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* Electrical type of pins:
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* PIN_INPUT = usual pin input: must be connected
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* PIN_OUTPUT = usual output
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* PIN_BIDI = input or output (like port for a microprocessor)
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* PIN_TRISTATE = tris state bus pin
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* PIN_PASSIVE = pin for passive components: must be connected, and can be
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* connected to any pin
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* PIN_UNSPECIFIED = unknown electrical properties: creates always a warning
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* when connected
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* PIN_POWER_IN = power input (GND, VCC for ICs). Must be connected to a power
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* output.
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* PIN_POWER_OUT = output of a regulator: intended to be connected to power
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* input pins
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* PIN_OPENCOLLECTOR = pin type open collector
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* PIN_OPENEMITTER = pin type open emitter
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* PIN_NC = not connected (must be left open)
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*
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* Minimal requirements:
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* All pins *must* be connected (except PIN_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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* PIN_INPUT, PIN_OUTPUT, PIN_BIDI, PIN_TRISTATE, PIN_PASSIVE,
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* PIN_UNSPECIFIED, PIN_POWER_IN, PIN_POWER_OUT, PIN_OPENCOLLECTOR,
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* PIN_OPENEMITTER, PIN_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 wxChar* CommentERC_H[] =
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{
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wxT( "Input Pin...." ),
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wxT( "Output Pin..." ),
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wxT( "BiDi Pin....." ),
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wxT( "3 State Pin.." ),
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wxT( "Passive Pin.." ),
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wxT( "Unspec Pin..." ),
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wxT( "Power IN Pin." ),
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wxT( "PowerOUT Pin." ),
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wxT( "Open Coll...." ),
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wxT( "Open Emit...." ),
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wxT( "No Conn......" ),
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NULL
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};
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// Messages for matrix columns
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const wxChar* CommentERC_V[] =
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{
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wxT( "Input Pin" ),
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wxT( "Output Pin" ),
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wxT( "BiDi Pin" ),
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wxT( "3 State Pin" ),
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wxT( "Passive Pin" ),
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wxT( "Unspec Pin" ),
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wxT( "Power IN Pin" ),
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wxT( "PowerOUT Pin" ),
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wxT( "Open Coll" ),
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wxT( "Open Emit" ),
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wxT( "No Conn" ),
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NULL
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};
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/* Look up table which gives the diag for a pair of connected pins
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* Can be modified by ERC options.
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* at start up: must be loaded by DefaultDiagErc
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*/
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int DiagErc[PIN_NMAX][PIN_NMAX];
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bool DiagErcTableInit; // go to TRUE after DiagErc init
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/* Default Look up table which gives the diag for a pair of connected pins
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* Same as DiagErc, but cannot be modified
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* Used to init or reset DiagErc
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* note also, to avoid inconsistancy:
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* DefaultDiagErc[i][j] = DefaultDiagErc[j][i]
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*/
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int DefaultDiagErc[PIN_NMAX][PIN_NMAX] =
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{
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/* I, O, Bi, 3S, Pas, UnS, PwrI, PwrO, OC, OE, NC */
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/* I */ { OK, OK, OK, OK, OK, WAR, OK, OK, OK, OK, ERR },
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/* O */ { OK, ERR, OK, WAR, OK, WAR, OK, ERR, ERR, ERR, ERR },
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/* Bi*/ { OK, OK, OK, OK, OK, WAR, OK, WAR, OK, WAR, ERR },
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/* 3S*/ { OK, WAR, OK, OK, OK, WAR, WAR, ERR, WAR, WAR, ERR },
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/*Pas*/ { OK, OK, OK, OK, OK, WAR, OK, OK, OK, OK, ERR },
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/*UnS */ { WAR, WAR, WAR, WAR, WAR, WAR, WAR, WAR, WAR, WAR, ERR },
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/*PwrI*/ { OK, OK, OK, WAR, OK, WAR, OK, OK, OK, OK, ERR },
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/*PwrO*/ { OK, ERR, WAR, ERR, OK, WAR, OK, ERR, ERR, ERR, ERR },
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/* OC */ { OK, ERR, OK, WAR, OK, WAR, OK, ERR, OK, OK, ERR },
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/* OE */ { OK, ERR, WAR, WAR, OK, WAR, OK, ERR, OK, OK, ERR },
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/* NC */ { ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR, ERR }
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};
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/* Look up table which gives the minimal drive for a pair of connected pins on
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* a net
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* Initial state of a net is NOC (Net with No Connection)
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* Can be updated to NPI (Pin Isolated), NET_NC (Net with a no connect symbol),
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* NOD (Not Driven) or DRV (DRIven)
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*
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* Can be updated to NET_NC with no error only if there is only one pin in net
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*
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* Nets are OK when their final state is NET_NC or DRV
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* Nets with the state NOD have no source signal
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*/
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static int MinimalReq[PIN_NMAX][PIN_NMAX] =
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{
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/* In Out, Bi, 3S, Pas, UnS, PwrI,PwrO,OC, OE, NC */
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/* In*/ { NOD, DRV, DRV, DRV, DRV, DRV, NOD, DRV, DRV, DRV, NPI },
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/*Out*/ { DRV, DRV, DRV, DRV, DRV, DRV, DRV, DRV, DRV, DRV, NPI },
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/* Bi*/ { DRV, DRV, DRV, DRV, DRV, DRV, NOD, DRV, DRV, DRV, NPI },
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/* 3S*/ { DRV, DRV, DRV, DRV, DRV, DRV, NOD, DRV, DRV, DRV, NPI },
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/*Pas*/ { DRV, DRV, DRV, DRV, DRV, DRV, NOD, DRV, DRV, DRV, NPI },
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/*UnS*/ { DRV, DRV, DRV, DRV, DRV, DRV, NOD, DRV, DRV, DRV, NPI },
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/*PwrI*/ { NOD, DRV, NOD, NOD, NOD, NOD, NOD, DRV, NOD, NOD, NPI },
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/*PwrO*/ { DRV, DRV, DRV, DRV, DRV, DRV, DRV, DRV, DRV, DRV, NPI },
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/* OC*/ { DRV, DRV, DRV, DRV, DRV, DRV, NOD, DRV, DRV, DRV, NPI },
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/* OE*/ { DRV, DRV, DRV, DRV, DRV, DRV, NOD, DRV, DRV, DRV, NPI },
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/* NC*/ { NPI, NPI, NPI, NPI, NPI, NPI, NPI, NPI, NPI, NPI, NPI }
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};
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/**
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* Function TestDuplicateSheetNames( )
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* inside a given sheet, one cannot have sheets with duplicate names (file
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* names can be duplicated).
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* @return the error count
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* @param aCreateMarker: true = create error markers in schematic,
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* false = calculate error count only
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*/
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int TestDuplicateSheetNames( bool aCreateMarker )
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{
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int err_count = 0;
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SCH_SCREENS ScreenList; // Created the list of screen
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for( SCH_SCREEN* Screen = ScreenList.GetFirst();
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Screen != NULL;
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Screen = ScreenList.GetNext() )
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{
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for( SCH_ITEM* ref_item = Screen->GetDrawItems();
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ref_item != NULL;
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ref_item = ref_item->Next() )
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{
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// search for a sheet;
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if( ref_item->Type() != SCH_SHEET_T )
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continue;
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for( SCH_ITEM* item_to_test = ref_item->Next();
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item_to_test != NULL;
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item_to_test = item_to_test->Next() )
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{
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if( item_to_test->Type() != SCH_SHEET_T )
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continue;
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// We have found a second sheet: compare names
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if( ( (SCH_SHEET*) ref_item )->m_SheetName.CmpNoCase(
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( ( SCH_SHEET* ) item_to_test )-> m_SheetName )
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== 0 )
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{
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if( aCreateMarker )
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{
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/* Create a new marker type ERC error*/
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SCH_MARKER* Marker = new SCH_MARKER();
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Marker->m_TimeStamp = GetTimeStamp();
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Marker->SetData( ERCE_DUPLICATE_SHEET_NAME,
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( (SCH_SHEET*) item_to_test )->m_Pos,
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_( "Duplicate Sheet name" ),
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( (SCH_SHEET*) item_to_test )->m_Pos );
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Marker->SetMarkerType( MARK_ERC );
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Marker->SetErrorLevel( ERR );
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Marker->SetNext( Screen->GetDrawItems() );
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Screen->SetDrawItems( 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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/* Creates an ERC marker to show the ERC problem about aNetItemRef
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* or between aNetItemRef and aNetItemTst
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* if MinConn < 0: this is an error on labels
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*/
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void Diagnose( EDA_DRAW_PANEL* aPanel,
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NETLIST_OBJECT* aNetItemRef,
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NETLIST_OBJECT* aNetItemTst,
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int aMinConn, int aDiag )
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{
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SCH_MARKER* Marker = NULL;
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SCH_SCREEN* screen;
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int ii, jj;
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if( aDiag == OK )
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return;
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/* Create new marker for ERC error. */
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Marker = new SCH_MARKER();
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Marker->m_TimeStamp = GetTimeStamp();
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Marker->SetMarkerType( MARK_ERC );
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Marker->SetErrorLevel( WAR );
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screen = aNetItemRef->m_SheetList.LastScreen();
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Marker->SetNext( screen->GetDrawItems() );
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screen->SetDrawItems( Marker );
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g_EESchemaVar.NbErrorErc++;
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g_EESchemaVar.NbWarningErc++;
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wxString msg;
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if( aMinConn < 0 )
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{
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if( (aNetItemRef->m_Type == NET_HIERLABEL)
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|| (aNetItemRef->m_Type == NET_HIERBUSLABELMEMBER) )
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{
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msg.Printf( _( "HLabel %s not connected to SheetLabel" ),
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GetChars( aNetItemRef->m_Label ) );
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}
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else
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{
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msg.Printf( _( "SheetLabel %s not connected to HLabel" ),
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GetChars( aNetItemRef->m_Label ) );
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}
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Marker->SetData( ERCE_HIERACHICAL_LABEL,
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aNetItemRef->m_Start,
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msg,
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aNetItemRef->m_Start );
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return;
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}
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ii = aNetItemRef->m_ElectricalType;
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wxString string_pinnum, cmp_ref;
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char ascii_buf[5];
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ascii_buf[4] = 0;
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memcpy( ascii_buf, &aNetItemRef->m_PinNum, 4 );
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string_pinnum = CONV_FROM_UTF8( ascii_buf );
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cmp_ref = wxT( "?" );
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if( aNetItemRef->m_Type == NET_PIN && aNetItemRef->m_Link )
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cmp_ref = ( (SCH_COMPONENT*) aNetItemRef->m_Link )->GetRef( &aNetItemRef->m_SheetList );
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if( aNetItemTst == NULL )
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{
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if( aMinConn == NOC ) /* Only 1 element in the net. */
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{
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msg.Printf( _( "Cmp %s, Pin %s (%s) Unconnected" ),
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GetChars( cmp_ref ), GetChars( string_pinnum ),
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MsgPinElectricType[ii] );
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Marker->SetData( ERCE_PIN_NOT_CONNECTED,
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aNetItemRef->m_Start,
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msg,
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aNetItemRef->m_Start );
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return;
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}
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if( aMinConn == NOD ) /* Nothing driving the net. */
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{
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if( aNetItemRef->m_Type == NET_PIN && aNetItemRef->m_Link )
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cmp_ref = ( (SCH_COMPONENT*) aNetItemRef->m_Link )->GetRef(
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&aNetItemRef->m_SheetList );
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msg.Printf( _( "Cmp %s, Pin %s (%s) not driven (Net %d)" ),
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GetChars( cmp_ref ), GetChars( string_pinnum ),
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MsgPinElectricType[ii], aNetItemRef->GetNet() );
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Marker->SetData( ERCE_PIN_NOT_DRIVEN,
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aNetItemRef->m_Start,
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msg,
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aNetItemRef->m_Start );
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return;
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}
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if( aDiag == UNC )
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{
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msg.Printf( _( "More than 1 Pin connected to UnConnect symbol" ) );
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Marker->SetData( ERCE_NOCONNECT_CONNECTED,
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aNetItemRef->m_Start,
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msg,
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aNetItemRef->m_Start );
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return;
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}
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}
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if( aNetItemTst ) /* Error between 2 pins */
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{
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jj = aNetItemTst->m_ElectricalType;
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int errortype = ERCE_PIN_TO_PIN_WARNING;
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if( aDiag == ERR )
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{
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Marker->SetErrorLevel( ERR );
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g_EESchemaVar.NbWarningErc--;
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errortype = ERCE_PIN_TO_PIN_ERROR;
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}
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wxString alt_string_pinnum, alt_cmp;
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memcpy( ascii_buf, &aNetItemTst->m_PinNum, 4 );
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alt_string_pinnum = CONV_FROM_UTF8( ascii_buf );
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alt_cmp = wxT( "?" );
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if( aNetItemTst->m_Type == NET_PIN && aNetItemTst->m_Link )
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alt_cmp = ( (SCH_COMPONENT*) aNetItemTst->m_Link )->GetRef(
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&aNetItemTst->m_SheetList );
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msg.Printf( _( "Cmp %s, Pin %s (%s) connected to " ),
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GetChars( cmp_ref ), GetChars( string_pinnum ), MsgPinElectricType[ii] );
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Marker->SetData( errortype,
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aNetItemRef->m_Start,
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msg,
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aNetItemRef->m_Start );
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msg.Printf( _( "Cmp %s, Pin %s (%s) (net %d)" ),
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GetChars( alt_cmp ), GetChars( alt_string_pinnum ), MsgPinElectricType[jj],
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aNetItemRef->GetNet() );
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Marker->SetAuxiliaryData( msg, aNetItemTst->m_Start );
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}
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}
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/* Routine testing electrical conflicts between NetItemRef and other items
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* of the same net
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*/
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void TestOthersItems( EDA_DRAW_PANEL* panel,
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unsigned NetItemRef,
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unsigned netstart,
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int* NetNbItems, int* MinConnexion )
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{
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unsigned NetItemTst;
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int ref_elect_type, jj, erc = OK, local_minconn;
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/* Analysis of the table of connections. */
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ref_elect_type = g_NetObjectslist[NetItemRef]->m_ElectricalType;
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NetItemTst = netstart;
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local_minconn = NOC;
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if( ref_elect_type == PIN_NC )
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local_minconn = NPI;
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/* Test pins connected to NetItemRef */
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for( ; ; NetItemTst++ )
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{
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if( NetItemRef == NetItemTst )
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continue;
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/* We examine only a given net. We stop the search if the net changes
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**/
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if( ( NetItemTst >= g_NetObjectslist.size() ) // End of list
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|| ( g_NetObjectslist[NetItemRef]->GetNet() !=
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g_NetObjectslist[NetItemTst]->GetNet() ) ) // End of net
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{
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/* End net code found: minimum connection test. */
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if( (*MinConnexion < NET_NC ) && (local_minconn < NET_NC ) )
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{
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/* Not connected or not driven pin. */
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bool seterr = true;
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if( local_minconn == NOC
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&& g_NetObjectslist[NetItemRef]->m_Type == NET_PIN )
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{
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/* This pin is not connected: for multiple part per
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* package, and duplicated pin,
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* search for an other instance of this pin
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* this will be flagged only is all instances of this pin
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* are not connected
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* TODO test also if instances connected are connected to
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* the same net
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*/
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for( unsigned duppin = 0;
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duppin < g_NetObjectslist.size();
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duppin++ )
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{
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if( g_NetObjectslist[duppin]->m_Type != NET_PIN )
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continue;
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if( duppin == NetItemRef )
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continue;
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if( g_NetObjectslist[NetItemRef]->m_PinNum !=
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g_NetObjectslist[duppin]->m_PinNum )
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continue;
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if( ( (SCH_COMPONENT*) g_NetObjectslist[NetItemRef]->
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m_Link )->GetRef( &g_NetObjectslist[NetItemRef]->
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m_SheetList ) !=
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( (SCH_COMPONENT*) g_NetObjectslist[duppin]->m_Link )
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->GetRef( &g_NetObjectslist[duppin]->m_SheetList ) )
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continue;
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// Same component and same pin. Do dot create error for
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// this pin
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// if the other pin is connected (i.e. if duppin net
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// has an other item)
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if( (duppin > 0)
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&& ( g_NetObjectslist[duppin]->GetNet() ==
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g_NetObjectslist[duppin - 1]->GetNet() ) )
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seterr = false;
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if( (duppin < g_NetObjectslist.size() - 1)
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&& ( g_NetObjectslist[duppin]->GetNet() ==
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g_NetObjectslist[duppin + 1]->GetNet() ) )
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seterr = false;
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}
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}
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if( seterr )
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Diagnose( panel,
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g_NetObjectslist[NetItemRef],
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NULL,
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local_minconn,
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WAR );
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*MinConnexion = DRV; // inhibiting other messages of this
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// type for the net.
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}
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return;
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}
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switch( g_NetObjectslist[NetItemTst]->m_Type )
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{
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case NET_ITEM_UNSPECIFIED:
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case NET_SEGMENT:
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case NET_BUS:
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case NET_JONCTION:
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case NET_LABEL:
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case NET_HIERLABEL:
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case NET_BUSLABELMEMBER:
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case NET_HIERBUSLABELMEMBER:
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case NET_SHEETBUSLABELMEMBER:
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case NET_SHEETLABEL:
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case NET_GLOBLABEL:
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case NET_GLOBBUSLABELMEMBER:
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case NET_PINLABEL:
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break;
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case NET_NOCONNECT:
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local_minconn = MAX( NET_NC, local_minconn );
|
|
break;
|
|
|
|
case NET_PIN:
|
|
jj = g_NetObjectslist[NetItemTst]->m_ElectricalType;
|
|
local_minconn = MAX( MinimalReq[ref_elect_type][jj], local_minconn );
|
|
|
|
if( NetItemTst <= NetItemRef )
|
|
break;
|
|
|
|
*NetNbItems += 1;
|
|
if( erc == OK )
|
|
{
|
|
erc = DiagErc[ref_elect_type][jj];
|
|
if( erc != OK )
|
|
{
|
|
if( g_NetObjectslist[NetItemTst]->m_FlagOfConnection == 0 )
|
|
{
|
|
Diagnose( panel,
|
|
g_NetObjectslist[NetItemRef],
|
|
g_NetObjectslist[NetItemTst],
|
|
0,
|
|
erc );
|
|
g_NetObjectslist[NetItemTst]->m_FlagOfConnection =
|
|
NOCONNECT_SYMBOL_PRESENT;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/* Create the Diagnostic file (<xxx>.erc file)
|
|
*/
|
|
bool WriteDiagnosticERC( const wxString& FullFileName )
|
|
{
|
|
SCH_ITEM* DrawStruct;
|
|
SCH_MARKER* Marker;
|
|
char Line[1024];
|
|
static FILE* OutErc;
|
|
SCH_SHEET_PATH* Sheet;
|
|
wxString msg;
|
|
|
|
if( ( OutErc = wxFopen( FullFileName, wxT( "wt" ) ) ) == NULL )
|
|
return FALSE;
|
|
|
|
DateAndTime( Line );
|
|
msg = _( "ERC report" );
|
|
|
|
fprintf( OutErc, "%s (%s)\n", CONV_TO_UTF8( msg ), Line );
|
|
|
|
SCH_SHEET_LIST SheetList;
|
|
|
|
for( Sheet = SheetList.GetFirst(); Sheet != NULL; Sheet = SheetList.GetNext() )
|
|
{
|
|
if( Sheet->Last() == g_RootSheet )
|
|
{
|
|
msg.Printf( _( "\n***** Sheet / (Root) \n" ) );
|
|
}
|
|
else
|
|
{
|
|
wxString str = Sheet->PathHumanReadable();
|
|
msg.Printf( _( "\n***** Sheet %s\n" ), GetChars( str ) );
|
|
}
|
|
|
|
fprintf( OutErc, "%s", CONV_TO_UTF8( msg ) );
|
|
|
|
DrawStruct = Sheet->LastDrawList();
|
|
for( ; DrawStruct != NULL; DrawStruct = DrawStruct->Next() )
|
|
{
|
|
if( DrawStruct->Type() != SCH_MARKER_T )
|
|
continue;
|
|
|
|
Marker = (SCH_MARKER*) DrawStruct;
|
|
if( Marker->GetMarkerType() != MARK_ERC )
|
|
continue;
|
|
msg = Marker->GetReporter().ShowReport();
|
|
fprintf( OutErc, "%s", CONV_TO_UTF8( msg ) );
|
|
}
|
|
}
|
|
|
|
msg.Printf( _( "\n >> Errors ERC: %d\n" ), g_EESchemaVar.NbErrorErc );
|
|
fprintf( OutErc, "%s", CONV_TO_UTF8( msg ) );
|
|
fclose( OutErc );
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
static bool IsLabelsConnected( NETLIST_OBJECT* a, NETLIST_OBJECT* b )
|
|
{
|
|
int at = a->m_Type;
|
|
int bt = b->m_Type;
|
|
|
|
if( ( at == NET_HIERLABEL || at == NET_HIERBUSLABELMEMBER )
|
|
&& ( bt == NET_SHEETLABEL || bt == NET_SHEETBUSLABELMEMBER ) )
|
|
{
|
|
if( a->m_SheetList == b->m_SheetListInclude )
|
|
{
|
|
return true; //connected!
|
|
}
|
|
}
|
|
return false; //these two are unconnected
|
|
}
|
|
|
|
|
|
/* Routine to perform erc on a sheetLabel that is connected to a corresponding
|
|
* sub sheet Glabel
|
|
*/
|
|
void TestLabel( EDA_DRAW_PANEL* panel, unsigned NetItemRef, unsigned StartNet )
|
|
{
|
|
unsigned NetItemTst;
|
|
int erc = 1;
|
|
|
|
|
|
NetItemTst = StartNet;
|
|
|
|
/* Review the list of labels connected to NetItemRef. */
|
|
for( ; ; NetItemTst++ )
|
|
{
|
|
if( NetItemTst == NetItemRef )
|
|
continue;
|
|
|
|
/* Is always in the same net? */
|
|
if( ( NetItemTst == g_NetObjectslist.size() )
|
|
|| ( g_NetObjectslist[NetItemRef]->GetNet() !=
|
|
g_NetObjectslist[NetItemTst]->GetNet() ) )
|
|
{
|
|
/* End Netcode found. */
|
|
if( erc )
|
|
{
|
|
/* Glabel or SheetLabel orphaned. */
|
|
Diagnose( panel, g_NetObjectslist[NetItemRef], NULL, -1, WAR );
|
|
}
|
|
return;
|
|
}
|
|
if( IsLabelsConnected( g_NetObjectslist[NetItemRef],
|
|
g_NetObjectslist[NetItemTst] ) )
|
|
erc = 0;
|
|
|
|
//same thing, different order.
|
|
if( IsLabelsConnected( g_NetObjectslist[NetItemTst],
|
|
g_NetObjectslist[NetItemRef] ) )
|
|
erc = 0;
|
|
}
|
|
}
|