577 lines
20 KiB
C++
577 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) 2009 Jean-Pierre Charras, jaen-pierre.charras@gipsa-lab.inpg.com
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* Copyright (C) 2011 Wayne Stambaugh <stambaughw@verizon.net>
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* Copyright (C) 1992-2011 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 <fctsys.h>
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#include <class_drawpanel.h>
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#include <kicad_string.h>
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#include <schframe.h>
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#include <netlist.h>
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#include <class_netlist_object.h>
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#include <lib_pin.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 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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/* 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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/**
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* Default Look up table which gives the ERC error level 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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/**
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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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* <p>
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* The initial state of a net is NOC (Net with No Connection). It can be updated to
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* NPI (Pin Isolated), NET_NC (Net with a no connect symbol), NOD (Not Driven) or DRV
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* (DRIven). It can be updated to NET_NC with no error only if there is only one pin
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* in net. Nets are OK when their final state is NET_NC or DRV. Nets with the state
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* NOD have no valid 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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int TestDuplicateSheetNames( bool aCreateMarker )
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{
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SCH_SCREEN* screen;
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SCH_ITEM* item;
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SCH_ITEM* test_item;
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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( screen = screenList.GetFirst(); screen != NULL; screen = screenList.GetNext() )
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{
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for( item = screen->GetDrawItems(); item != NULL; item = item->Next() )
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{
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// search for a sheet;
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if( item->Type() != SCH_SHEET_T )
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continue;
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for( test_item = item->Next(); test_item != NULL; test_item = test_item->Next() )
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{
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if( test_item->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*) item )->GetName().CmpNoCase(
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( ( SCH_SHEET* ) test_item )->GetName() ) == 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->SetTimeStamp( GetNewTimeStamp() );
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marker->SetData( ERCE_DUPLICATE_SHEET_NAME,
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( (SCH_SHEET*) test_item )->GetPosition(),
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_( "Duplicate sheet name" ),
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( (SCH_SHEET*) test_item )->GetPosition() );
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marker->SetMarkerType( MARK_ERC );
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marker->SetErrorLevel( ERR );
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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 Diagnose( NETLIST_OBJECT* aNetItemRef, 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->SetTimeStamp( GetNewTimeStamp() );
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marker->SetMarkerType( MARK_ERC );
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marker->SetErrorLevel( WAR );
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screen = aNetItemRef->m_SheetPath.LastScreen();
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screen->Append( marker );
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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( _( "Hierarchical label %s is not connected to a sheet label." ),
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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( _( "Sheet label %s is not connected to a hierarchical label." ),
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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 = 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 = aNetItemRef->GetComponentParent()->GetRef( &aNetItemRef->m_SheetPath );
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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( _( "Pin %s (%s) of component %s is unconnected." ),
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GetChars( string_pinnum ),
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GetChars( LIB_PIN::GetElectricalTypeName( ii ) ),
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GetChars( cmp_ref ) );
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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 = aNetItemRef->GetComponentParent()->GetRef(
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&aNetItemRef->m_SheetPath );
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msg.Printf( _( "Pin %s (%s) of component %s is not driven (Net %d)." ),
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GetChars( string_pinnum ),
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GetChars( LIB_PIN::GetElectricalTypeName( ii ) ),
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GetChars( cmp_ref ),
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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 an 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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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 = 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 = aNetItemTst->GetComponentParent()->GetRef( &aNetItemTst->m_SheetPath );
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msg.Printf( _( "Pin %s (%s) of component %s is connected to " ),
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GetChars( string_pinnum ),
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GetChars( LIB_PIN::GetElectricalTypeName( ii ) ),
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GetChars( cmp_ref ) );
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marker->SetData( errortype, aNetItemRef->m_Start, msg, aNetItemRef->m_Start );
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msg.Printf( _( "pin %s (%s) of component %s (net %d)." ),
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GetChars( alt_string_pinnum ),
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GetChars( LIB_PIN::GetElectricalTypeName( jj ) ),
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GetChars( alt_cmp ),
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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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void TestOthersItems( NETLIST_OBJECT_LIST* aList,
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unsigned aNetItemRef, unsigned aNetStart,
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int* aNetNbItems, int* aMinConnexion )
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{
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unsigned netItemTst = aNetStart;
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int jj;
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int erc = OK;
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/* Analysis of the table of connections. */
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int ref_elect_type = aList->GetItem( aNetItemRef )->m_ElectricalType;
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int 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( aNetItemRef == 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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if( ( netItemTst >= aList->size() ) // End of list
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|| ( aList->GetItemNet( aNetItemRef ) !=
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aList->GetItemNet( netItemTst ) ) ) // End of net
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{
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/* End net code found: minimum connection test. */
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if( ( *aMinConnexion < 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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aList->GetItemType( aNetItemRef ) == 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 if 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 duplicate = 0; duplicate < aList->size(); duplicate++ )
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{
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if( aList->GetItemType( duplicate ) != NET_PIN )
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continue;
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if( duplicate == aNetItemRef )
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continue;
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if( aList->GetItem( aNetItemRef )->m_PinNum !=
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aList->GetItem( duplicate )->m_PinNum )
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continue;
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if( ( (SCH_COMPONENT*) aList->GetItem( aNetItemRef )->
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m_Link )->GetRef( &aList->GetItem( aNetItemRef )-> m_SheetPath ) !=
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( (SCH_COMPONENT*) aList->GetItem( duplicate )->m_Link )
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->GetRef( &aList->GetItem( duplicate )->m_SheetPath ) )
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continue;
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// Same component and same pin. Do dot create error for this pin
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// if the other pin is connected (i.e. if duplicate net has an other
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// item)
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if( (duplicate > 0)
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&& ( aList->GetItemNet( duplicate ) ==
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aList->GetItemNet( duplicate - 1 ) ) )
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seterr = false;
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if( (duplicate < aList->size() - 1)
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&& ( aList->GetItemNet( duplicate ) ==
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aList->GetItemNet( duplicate + 1 ) ) )
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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( aList->GetItem( aNetItemRef ), NULL, local_minconn, WAR );
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*aMinConnexion = 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( aList->GetItemType( netItemTst ) )
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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_JUNCTION:
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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 = std::max( NET_NC, local_minconn );
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break;
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case NET_PIN:
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jj = aList->GetItem( netItemTst )->m_ElectricalType;
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local_minconn = std::max( MinimalReq[ref_elect_type][jj], local_minconn );
|
|
|
|
if( netItemTst <= aNetItemRef )
|
|
break;
|
|
|
|
*aNetNbItems += 1;
|
|
|
|
if( erc == OK )
|
|
{
|
|
erc = DiagErc[ref_elect_type][jj];
|
|
|
|
if( erc != OK )
|
|
{
|
|
if( aList->GetConnectionType( netItemTst ) == UNCONNECTED )
|
|
{
|
|
Diagnose( aList->GetItem( aNetItemRef ),
|
|
aList->GetItem( netItemTst ),
|
|
0, erc );
|
|
aList->SetConnectionType( netItemTst, NOCONNECT_SYMBOL_PRESENT );
|
|
}
|
|
}
|
|
}
|
|
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
bool WriteDiagnosticERC( const wxString& aFullFileName )
|
|
{
|
|
SCH_ITEM* item;
|
|
SCH_MARKER* marker;
|
|
static FILE* file;
|
|
SCH_SHEET_PATH* sheet;
|
|
wxString msg;
|
|
int count = 0;
|
|
|
|
if( ( file = wxFopen( aFullFileName, wxT( "wt" ) ) ) == NULL )
|
|
return false;
|
|
|
|
msg = _( "ERC report" );
|
|
|
|
fprintf( file, "%s (%s)\n", TO_UTF8( msg ), TO_UTF8( DateAndTime() ) );
|
|
|
|
SCH_SHEET_LIST sheetList;
|
|
|
|
for( sheet = sheetList.GetFirst(); sheet != NULL; sheet = sheetList.GetNext() )
|
|
{
|
|
msg.Printf( _( "\n***** Sheet %s\n" ), GetChars( sheet->PathHumanReadable() ) );
|
|
|
|
fprintf( file, "%s", TO_UTF8( msg ) );
|
|
|
|
for( item = sheet->LastDrawList(); item != NULL; item = item->Next() )
|
|
{
|
|
if( item->Type() != SCH_MARKER_T )
|
|
continue;
|
|
|
|
marker = (SCH_MARKER*) item;
|
|
|
|
if( marker->GetMarkerType() != MARK_ERC )
|
|
continue;
|
|
|
|
if( marker->GetMarkerType() == ERR )
|
|
count++;
|
|
|
|
msg = marker->GetReporter().ShowReport();
|
|
fprintf( file, "%s", TO_UTF8( msg ) );
|
|
}
|
|
}
|
|
|
|
msg.Printf( _( "\n >> Errors ERC: %d\n" ), count );
|
|
fprintf( file, "%s", TO_UTF8( msg ) );
|
|
fclose( file );
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
void TestLabel( NETLIST_OBJECT_LIST* aList, unsigned aNetItemRef, unsigned aStartNet )
|
|
{
|
|
unsigned netItemTst = aStartNet;
|
|
int erc = 1;
|
|
|
|
/* Review the list of labels connected to NetItemRef. */
|
|
for( ; ; netItemTst++ )
|
|
{
|
|
if( netItemTst == aNetItemRef )
|
|
continue;
|
|
|
|
/* Is always in the same net? */
|
|
if( ( netItemTst == aList->size() )
|
|
|| ( aList->GetItemNet( aNetItemRef ) != aList->GetItemNet( netItemTst ) ) )
|
|
{
|
|
/* End Netcode found. */
|
|
if( erc )
|
|
{
|
|
/* Glabel or SheetLabel orphaned. */
|
|
Diagnose( aList->GetItem( aNetItemRef ), NULL, -1, WAR );
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
if( aList->GetItem( aNetItemRef )->IsLabelConnected( aList->GetItem( netItemTst ) ) )
|
|
erc = 0;
|
|
|
|
//same thing, different order.
|
|
if( aList->GetItem( netItemTst )->IsLabelConnected( aList->GetItem( aNetItemRef ) ) )
|
|
erc = 0;
|
|
}
|
|
}
|