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Warn when diff pair router can't start due to too-small-gap. 

Fixes https://gitlab.com/kicad/code/kicad/issues/7795
This commit is contained in:
Jeff Young 2021-03-30 19:48:36 +01:00
parent de1191f971
commit 8cb6f15687
3 changed files with 15 additions and 0 deletions
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2
pcbnew/router/pns_kicad_iface.cpp
View File

@ -415,6 +415,8 @@ bool PNS_KICAD_IFACE_BASE::ImportSizes( PNS::SIZES_SETTINGS& aSizes, PNS::ITEM*
BOARD_DESIGN_SETTINGS& bds = m_board->GetDesignSettings();
PNS::CONSTRAINT constraint;
aSizes.SetMinClearance( bds.m_MinClearance );
int trackWidth = bds.m_TrackMinWidth;
bool found = false;

9
pcbnew/router/pns_router.cpp
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@ -185,6 +185,15 @@ bool ROUTER::isStartingPointRoutable( const VECTOR2I& aWhere, ITEM* aStartItem,
if( Settings().CanViolateDRC() && Settings().Mode() == RM_MarkObstacles )
return true;
if( m_mode == PNS_MODE_ROUTE_DIFF_PAIR )
{
if( m_sizes.DiffPairGap() < m_sizes.MinClearance() )
{
SetFailureReason( _( "Diff pair gap is less than board minimum clearance." ) );
return false;
}
}
ITEM_SET candidates = QueryHoverItems( aWhere );
for( ITEM* item : candidates.Items() )

4
pcbnew/router/pns_sizes_settings.h
View File

@ -54,6 +54,9 @@ public:
void ClearLayerPairs();
void AddLayerPair( int aL1, int aL2 );
int MinClearance() const { return m_minClearance; }
void SetMinClearance( int aClearance ) { m_minClearance = aClearance; }
int TrackWidth() const { return m_trackWidth; }
void SetTrackWidth( int aWidth ) { m_trackWidth = aWidth; }
@ -96,6 +99,7 @@ public:
VIATYPE ViaType() const { return m_viaType; }
private:
int m_minClearance;
int m_trackWidth;
VIATYPE m_viaType;