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author | saurabhb17 | 2020-02-26 15:57:49 +0530 |
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committer | saurabhb17 | 2020-02-26 15:57:49 +0530 |
commit | aa35045840b78d3f48212db45da59a2e5c69b223 (patch) | |
tree | 6acee185a4dc19113fcbf0f9a3d6941085dedaf7 /pcbnew/class_netinfolist.cpp | |
parent | 0db48f6533517ecebfd9f0693f89deca28408b76 (diff) | |
download | KiCad-eSim-aa35045840b78d3f48212db45da59a2e5c69b223.tar.gz KiCad-eSim-aa35045840b78d3f48212db45da59a2e5c69b223.tar.bz2 KiCad-eSim-aa35045840b78d3f48212db45da59a2e5c69b223.zip |
Added main execs
Diffstat (limited to 'pcbnew/class_netinfolist.cpp')
-rw-r--r-- | pcbnew/class_netinfolist.cpp | 300 |
1 files changed, 300 insertions, 0 deletions
diff --git a/pcbnew/class_netinfolist.cpp b/pcbnew/class_netinfolist.cpp new file mode 100644 index 0000000..74b11bf --- /dev/null +++ b/pcbnew/class_netinfolist.cpp @@ -0,0 +1,300 @@ +/* + * This program source code file is part of KiCad, a free EDA CAD application. + * + * Copyright (C) 1992-2014 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 class_netinfolist.cpp + */ + +#include <fctsys.h> +#include <gr_basic.h> +#include <common.h> +#include <class_drawpanel.h> +#include <macros.h> +#include <pcbnew.h> + +#include <class_board.h> +#include <class_module.h> +#include <class_pad.h> +#include <class_track.h> +#include <class_zone.h> +#include <class_netinfo.h> + + +// Constructor and destructor +NETINFO_LIST::NETINFO_LIST( BOARD* aParent ) : m_Parent( aParent ) +{ + // Make sure that the unconnected net has number 0 + AppendNet( new NETINFO_ITEM( aParent, wxEmptyString, 0 ) ); + + m_newNetCode = 0; +} + + +NETINFO_LIST::~NETINFO_LIST() +{ + clear(); +} + + +void NETINFO_LIST::clear() +{ + NETNAMES_MAP::iterator it, itEnd; + for( it = m_netNames.begin(), itEnd = m_netNames.end(); it != itEnd; ++it ) + delete it->second; + + m_PadsFullList.clear(); + m_netNames.clear(); + m_netCodes.clear(); + m_newNetCode = 0; +} + + +void NETINFO_LIST::AppendNet( NETINFO_ITEM* aNewElement ) +{ + // if there is a net with such name then just assign the correct number + NETINFO_ITEM* sameName = GetNetItem( aNewElement->GetNetname() ); + + if( sameName != NULL ) + { + aNewElement->m_NetCode = sameName->GetNet(); + + return; + } + // be sure that net codes are consecutive + // negative net code means that it has to be auto assigned + else if( ( aNewElement->m_NetCode != (int) m_netCodes.size() ) || ( aNewElement->m_NetCode < 0 ) ) + { + aNewElement->m_NetCode = getFreeNetCode(); + } + + // net names & codes are supposed to be unique + assert( GetNetItem( aNewElement->GetNetname() ) == NULL ); + assert( GetNetItem( aNewElement->GetNet() ) == NULL ); + + // add an entry for fast look up by a net name using a map + m_netNames.insert( std::make_pair( aNewElement->GetNetname(), aNewElement ) ); + m_netCodes.insert( std::make_pair( aNewElement->GetNet(), aNewElement ) ); +} + + +/* sort function, to sort pad list by netnames + * this is a case sensitive sort. + * DO NOT change it because NETINFO_ITEM* BOARD::FindNet( const wxString& aNetname ) + * when search a net by its net name does a binary search + * and expects to have a nets list sorted by an alphabetic case sensitive sort + */ + +static bool padlistSortByNetnames( const D_PAD* a, const D_PAD* b ) +{ + return ( a->GetNetname().Cmp( b->GetNetname() ) ) < 0; +} + + +/** + * Compute and update the net_codes for PADS et and equipots (.m_NetCode member) + * net_codes are >= 1 (net_code = 0 means not connected) + * Update the net buffer + * Must be called after editing pads (netname, or deleting) or after read a netlist + * set to 1 flag NET_CODE_OK of m_Pcb->m_Status_Pcb; + * m_Pcb->m_NbNodes and m_Pcb->m_NbNets are updated + * Be aware NETINFO_ITEM* BOARD::FindNet( const wxString& aNetname ) + * when search a net by its net name does a binary search + * and expects to have a nets list sorted by an alphabetic case sensitive sort + * So do not change Build_Pads_Full_List() which build a sorted list of pads + */ +void NETINFO_LIST::buildListOfNets() +{ + D_PAD* pad; + int nodes_count = 0; + + // Build the PAD list, sorted by net + buildPadsFullList(); + + // Restore the initial state of NETINFO_ITEMs + for( NETINFO_LIST::iterator net( begin() ), netEnd( end() ); net != netEnd; ++net ) + net->Clear(); + + // Assign pads to appropriate NETINFO_ITEMs + for( unsigned ii = 0; ii < m_PadsFullList.size(); ii++ ) + { + pad = m_PadsFullList[ii]; + + if( pad->GetNetCode() == NETINFO_LIST::UNCONNECTED ) // pad not connected + continue; + + // Add pad to the appropriate list of pads + NETINFO_ITEM* net = pad->GetNet(); + + // it should not be possible for BOARD_CONNECTED_ITEM to return NULL as a result of GetNet() + wxASSERT( net ); + + if( net ) + net->m_PadInNetList.push_back( pad ); + + ++nodes_count; + } + + m_Parent->SetNodeCount( nodes_count ); + + m_Parent->SynchronizeNetsAndNetClasses( ); + + m_Parent->m_Status_Pcb |= NET_CODES_OK; + + m_Parent->SetAreasNetCodesFromNetNames(); +} + + +#if defined(DEBUG) +void NETINFO_LIST::Show() const +{ + int i = 0; + NETNAMES_MAP::const_iterator it, itEnd; + for( it = m_netNames.begin(), itEnd = m_netNames.end(); it != itEnd; ++it ) + { + printf( "[%d]: netcode:%d netname:<%s>\n", + i++, it->second->GetNet(), + TO_UTF8( it->second->GetNetname() ) ); + } +} +#endif + + +void NETINFO_LIST::buildPadsFullList() +{ + /* + * initialize: + * m_Pads (list of pads) + * set m_Status_Pcb = LISTE_PAD_OK; + * also clear m_Pcb->m_FullRatsnest that could have bad data + * (m_Pcb->m_FullRatsnest uses pointer to pads) + * Be aware NETINFO_ITEM* BOARD::FindNet( const wxString& aNetname ) + * when search a net by its net name does a binary search + * and expects to have a nets list sorted by an alphabetic case sensitive sort + * So do not change the sort function used here + */ + + if( m_Parent->m_Status_Pcb & LISTE_PAD_OK ) + return; + + // empty the old list + m_PadsFullList.clear(); + m_Parent->m_FullRatsnest.clear(); + + // Clear variables used in ratsnest computation + for( MODULE* module = m_Parent->m_Modules; module; module = module->Next() ) + { + for( D_PAD* pad = module->Pads(); pad; pad = pad->Next() ) + { + m_PadsFullList.push_back( pad ); + + pad->SetSubRatsnest( 0 ); + pad->SetParent( module ); + } + } + + // Sort pad list per net + sort( m_PadsFullList.begin(), m_PadsFullList.end(), padlistSortByNetnames ); + + m_Parent->m_Status_Pcb = LISTE_PAD_OK; +} + + +int NETINFO_LIST::getFreeNetCode() +{ + do { + if( m_newNetCode < 0 ) + m_newNetCode = 0; + } while( m_netCodes.count( ++m_newNetCode ) != 0 ); + + return m_newNetCode; +} + + +int NETINFO_MAPPING::Translate( int aNetCode ) const +{ + std::map<int, int>::const_iterator value = m_netMapping.find( aNetCode ); + + if( value != m_netMapping.end() ) + return value->second; + + // There was no entry for the given net code + return aNetCode; +} + + +void NETINFO_MAPPING::Update() +{ + // Collect all the used nets + std::set<int> nets; + + // Be sure that the unconnected gets 0 and is mapped as 0 + nets.insert( 0 ); + + // Zones + for( int i = 0; i < m_board->GetAreaCount(); ++i ) + nets.insert( m_board->GetArea( i )->GetNetCode() ); + + // Tracks + for( TRACK* track = m_board->m_Track; track; track = track->Next() ) + nets.insert( track->GetNetCode() ); + + // Modules/pads + for( MODULE* module = m_board->m_Modules; module; module = module->Next() ) + { + for( D_PAD* pad = module->Pads().GetFirst(); pad; pad = pad->Next() ) + { + nets.insert( pad->GetNetCode() ); + } + } + + // Segzones + for( SEGZONE* zone = m_board->m_Zone; zone; zone = zone->Next() ) + nets.insert( zone->GetNetCode() ); + + // Prepare the new mapping + m_netMapping.clear(); + + // Now the nets variable stores all the used net codes (not only for pads) and we are ready to + // assign new consecutive net numbers + int newNetCode = 0; + for( std::set<int>::const_iterator it = nets.begin(), itEnd = nets.end(); it != itEnd; ++it ) + m_netMapping[*it] = newNetCode++; +} + + +NETINFO_ITEM* NETINFO_MAPPING::iterator::operator*() const +{ + return m_mapping->m_board->FindNet( m_iterator->first ); +} + + +NETINFO_ITEM* NETINFO_MAPPING::iterator::operator->() const +{ + return m_mapping->m_board->FindNet( m_iterator->first ); +} + + +const int NETINFO_LIST::UNCONNECTED = 0; +const int NETINFO_LIST::FORCE_ORPHANED = -1; + +NETINFO_ITEM NETINFO_LIST::ORPHANED = NETINFO_ITEM( NULL, wxEmptyString, NETINFO_LIST::UNCONNECTED ); |