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router: correct handling of per-pad/per-module clearance

This commit is contained in:
Tomasz Włostowski 2016-10-18 17:40:22 +02:00 committed by Maciej Suminski
parent bb20a7f592
commit 4d180efa5f
1 changed files with 38 additions and 9 deletions
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47
pcbnew/router/pns_kicad_iface.cpp
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@ -31,6 +31,7 @@
#include <wxPcbStruct.h>
#include <unordered_set>
#include <unordered_map>
#include <view/view.h>
#include <view/view_item.h>
@ -87,7 +88,8 @@ private:
PNS::ROUTER* m_router;
BOARD* m_board;
std::vector<CLEARANCE_ENT> m_clearanceCache;
std::vector<CLEARANCE_ENT> m_netClearanceCache;
std::unordered_map<const D_PAD*, int> m_localClearanceCache;
int m_defaultClearance;
bool m_overrideEnabled;
int m_overrideNetA, m_overrideNetB;
@ -103,7 +105,7 @@ PNS_PCBNEW_RULE_RESOLVER::PNS_PCBNEW_RULE_RESOLVER( BOARD* aBoard, PNS::ROUTER*
PNS::NODE* world = m_router->GetWorld();
PNS::TOPOLOGY topo( world );
m_clearanceCache.resize( m_board->GetNetCount() );
m_netClearanceCache.resize( m_board->GetNetCount() );
for( unsigned int i = 0; i < m_board->GetNetCount(); i++ )
{
@ -120,11 +122,29 @@ PNS_PCBNEW_RULE_RESOLVER::PNS_PCBNEW_RULE_RESOLVER( BOARD* aBoard, PNS::ROUTER*
int clearance = nc->GetClearance();
ent.clearance = clearance;
m_clearanceCache[i] = ent;
m_netClearanceCache[i] = ent;
wxLogTrace( "PNS", "Add net %u netclass %s clearance %d", i, netClassName.mb_str(), clearance );
}
for( MODULE* mod = m_board->m_Modules; mod ; mod = mod->Next() )
{
auto moduleClearance = mod->GetLocalClearance();
for( D_PAD* pad = mod->Pads(); pad; pad = pad->Next() )
{
int padClearance = pad->GetLocalClearance();
if( padClearance > 0 )
m_localClearanceCache[ pad ] = padClearance;
else if( moduleClearance > 0 )
m_localClearanceCache[ pad ] = moduleClearance;
}
}
//printf("DefaultCL : %d\n", m_board->GetDesignSettings().m_NetClasses.Find ("Default clearance")->GetClearance());
m_overrideEnabled = false;
m_defaultClearance = Millimeter2iu( 0.254 ); // m_board->m_NetClasses.Find ("Default clearance")->GetClearance();
m_overrideNetA = 0;
@ -144,21 +164,27 @@ int PNS_PCBNEW_RULE_RESOLVER::localPadClearance( const PNS::ITEM* aItem ) const
return 0;
const D_PAD* pad = static_cast<D_PAD*>( aItem->Parent() );
return pad->GetLocalClearance();
auto i = m_localClearanceCache.find( pad );
if( i == m_localClearanceCache.end() )
return 0;
return i->second;
}
int PNS_PCBNEW_RULE_RESOLVER::Clearance( const PNS::ITEM* aA, const PNS::ITEM* aB )
{
int net_a = aA->Net();
int cl_a = ( net_a >= 0 ? m_clearanceCache[net_a].clearance : m_defaultClearance );
int cl_a = ( net_a >= 0 ? m_netClearanceCache[net_a].clearance : m_defaultClearance );
int net_b = aB->Net();
int cl_b = ( net_b >= 0 ? m_clearanceCache[net_b].clearance : m_defaultClearance );
int cl_b = ( net_b >= 0 ? m_netClearanceCache[net_b].clearance : m_defaultClearance );
bool linesOnly = aA->OfKind( PNS::ITEM::SEGMENT_T | PNS::ITEM::LINE_T )
&& aB->OfKind( PNS::ITEM::SEGMENT_T | PNS::ITEM::LINE_T );
if( linesOnly && net_a >= 0 && net_b >= 0 && m_clearanceCache[net_a].coupledNet == net_b )
if( linesOnly && net_a >= 0 && net_b >= 0 && m_netClearanceCache[net_a].coupledNet == net_b )
{
cl_a = cl_b = m_router->Sizes().DiffPairGap() - 2 * PNS_HULL_MARGIN;
}
@ -166,8 +192,11 @@ int PNS_PCBNEW_RULE_RESOLVER::Clearance( const PNS::ITEM* aA, const PNS::ITEM* a
int pad_a = localPadClearance( aA );
int pad_b = localPadClearance( aB );
cl_a = std::max( cl_a, pad_a );
cl_b = std::max( cl_b, pad_b );
if( pad_a > 0 )
cl_a = pad_a;
if( pad_b > 0 )
cl_b = pad_b;
return std::max( cl_a, cl_b );
}