summaryrefslogtreecommitdiff
path: root/pcbnew/class_netinfolist.cpp
diff options
context:
space:
mode:
authorsaurabhb172020-02-26 15:57:49 +0530
committersaurabhb172020-02-26 15:57:49 +0530
commitaa35045840b78d3f48212db45da59a2e5c69b223 (patch)
tree6acee185a4dc19113fcbf0f9a3d6941085dedaf7 /pcbnew/class_netinfolist.cpp
parent0db48f6533517ecebfd9f0693f89deca28408b76 (diff)
downloadKiCad-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.cpp300
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 );