示例#1
0
void DRC::testKeepoutAreas()
{
    // Test keepout areas for vias, tracks and pads inside keepout areas
    for( int ii = 0; ii < m_pcb->GetAreaCount(); ii++ )
    {
        ZONE_CONTAINER* area = m_pcb->GetArea( ii );

        if( !area->GetIsKeepout() )
            continue;

        for( TRACK* segm = m_pcb->m_Track; segm != NULL; segm = segm->Next() )
        {
            if( segm->Type() == PCB_TRACE_T )
            {
                if( ! area->GetDoNotAllowTracks()  )
                    continue;

                if( segm->GetLayer() != area->GetLayer() )
                    continue;

                if( area->Outline()->Distance( segm->GetStart(), segm->GetEnd(),
                                               segm->GetWidth() ) == 0 )
                {
                    m_currentMarker = fillMarker( segm, NULL,
                                                  DRCE_TRACK_INSIDE_KEEPOUT, m_currentMarker );
                    m_pcb->Add( m_currentMarker );
                    m_mainWindow->GetGalCanvas()->GetView()->Add( m_currentMarker );
                    m_currentMarker = 0;
                }
            }
            else if( segm->Type() == PCB_VIA_T )
            {
                if( ! area->GetDoNotAllowVias()  )
                    continue;

                if( ! ((VIA*)segm)->IsOnLayer( area->GetLayer() ) )
                    continue;

                if( area->Outline()->Distance( segm->GetPosition() ) < segm->GetWidth()/2 )
                {
                    m_currentMarker = fillMarker( segm, NULL,
                                                  DRCE_VIA_INSIDE_KEEPOUT, m_currentMarker );
                    m_pcb->Add( m_currentMarker );
                    m_mainWindow->GetGalCanvas()->GetView()->Add( m_currentMarker );
                    m_currentMarker = 0;
                }
            }
        }
        // Test pads: TODO
    }
}
示例#2
0
void DRC::testZones()
{
    // Test copper areas for valid netcodes
    // if a netcode is < 0 the netname was not found when reading a netlist
    // if a netcode is == 0 the netname is void, and the zone is not connected.
    // This is allowed, but i am not sure this is a good idea
    for( int ii = 0; ii < m_pcb->GetAreaCount(); ii++ )
    {
        ZONE_CONTAINER* test_area = m_pcb->GetArea( ii );

        if( !test_area->IsOnCopperLayer() )
            continue;

        if( test_area->GetNetCode() < 0 )
        {
            m_currentMarker = fillMarker( test_area,
                                          DRCE_NON_EXISTANT_NET_FOR_ZONE_OUTLINE, m_currentMarker );
            m_pcb->Add( m_currentMarker );
            m_mainWindow->GetGalCanvas()->GetView()->Add( m_currentMarker );
            m_currentMarker = 0;
        }
    }

    // Test copper areas outlines, and create markers when needed
    m_pcb->Test_Drc_Areas_Outlines_To_Areas_Outlines( NULL, true );
}
bool DRC::doTrackKeepoutDrc( TRACK* aRefSeg )
{
    // Test keepout areas for vias, tracks and pads inside keepout areas
    for( int ii = 0; ii < m_pcb->GetAreaCount(); ii++ )
    {
        ZONE_CONTAINER* area = m_pcb->GetArea( ii );

        if( !area->GetIsKeepout() )
            continue;

        if( aRefSeg->Type() == PCB_TRACE_T )
        {
            if( ! area->GetDoNotAllowTracks()  )
                continue;

            if( aRefSeg->GetLayer() != area->GetLayer() )
                continue;

            if( area->Outline()->Distance( aRefSeg->GetStart(), aRefSeg->GetEnd(),
                                           aRefSeg->GetWidth() ) == 0 )
            {
                m_currentMarker = fillMarker( aRefSeg, NULL,
                                              DRCE_TRACK_INSIDE_KEEPOUT, m_currentMarker );
                return false;
            }
        }
        else if( aRefSeg->Type() == PCB_VIA_T )
        {
            if( ! area->GetDoNotAllowVias()  )
                continue;

            if( ! ((VIA*)aRefSeg)->IsOnLayer( area->GetLayer() ) )
                continue;

            if( area->Outline()->Distance( aRefSeg->GetPosition() ) < aRefSeg->GetWidth()/2 )
            {
                m_currentMarker = fillMarker( aRefSeg, NULL,
                                              DRCE_VIA_INSIDE_KEEPOUT, m_currentMarker );
                return false;
            }
        }
    }

    return true;
}
示例#4
0
void DRC::testZones()
{
    // Test copper areas for valid netcodes
    // if a netcode is < 0 the netname was not found when reading a netlist
    // if a netcode is == 0 the netname is void, and the zone is not connected.
    // This is allowed, but i am not sure this is a good idea
    //
    // In recent Pcbnew versions, the netcode is always >= 0, but an internal net name
    // is stored, and initalized from the file or the zone properpies editor.
    // if it differs from the net name from net code, there is a DRC issue
    for( int ii = 0; ii < m_pcb->GetAreaCount(); ii++ )
    {
        ZONE_CONTAINER* test_area = m_pcb->GetArea( ii );

        if( !test_area->IsOnCopperLayer() )
            continue;

        int netcode = test_area->GetNetCode();

        // a netcode < 0 or > 0 and no pad in net  is a error or strange
        // perhaps a "dead" net, which happens when all pads in this net were removed
        // Remark: a netcode < 0 should not happen (this is more a bug somewhere)
        int pads_in_net = (test_area->GetNetCode() > 0) ?
                            test_area->GetNet()->GetNodesCount() : 1;

        if( ( netcode < 0 ) || pads_in_net == 0 )
        {
            m_currentMarker = fillMarker( test_area,
                                          DRCE_SUSPICIOUS_NET_FOR_ZONE_OUTLINE, m_currentMarker );
            m_pcb->Add( m_currentMarker );
            m_mainWindow->GetGalCanvas()->GetView()->Add( m_currentMarker );
            m_currentMarker = NULL;
        }
    }

    // Test copper areas outlines, and create markers when needed
    m_pcb->Test_Drc_Areas_Outlines_To_Areas_Outlines( NULL, true );
}
bool DRC::doPadToPadsDrc( D_PAD* aRefPad, D_PAD** aStart, D_PAD** aEnd, int x_limit )
{
    const static LSET all_cu = LSET::AllCuMask();

    LSET layerMask = aRefPad->GetLayerSet() & all_cu;

    /* used to test DRC pad to holes: this dummy pad has the size and shape of the hole
     * to test pad to pad hole DRC, using the pad to pad DRC test function.
     * Therefore, this dummy pad is a circle or an oval.
     * A pad must have a parent because some functions expect a non null parent
     * to find the parent board, and some other data
     */
    MODULE  dummymodule( m_pcb );    // Creates a dummy parent
    D_PAD   dummypad( &dummymodule );

    // Ensure the hole is on all copper layers
    dummypad.SetLayerSet( all_cu | dummypad.GetLayerSet() );

    // Use the minimal local clearance value for the dummy pad.
    // The clearance of the active pad will be used as minimum distance to a hole
    // (a value = 0 means use netclass value)
    dummypad.SetLocalClearance( 1 );

    for( D_PAD** pad_list = aStart;  pad_list<aEnd;  ++pad_list )
    {
        D_PAD* pad = *pad_list;

        if( pad == aRefPad )
            continue;

        // We can stop the test when pad->GetPosition().x > x_limit
        // because the list is sorted by X values
        if( pad->GetPosition().x > x_limit )
            break;

        // No problem if pads which are on copper layers are on different copper layers,
        // (pads can be only on a technical layer, to build complex pads)
        // but their hole (if any ) can create DRC error because they are on all
        // copper layers, so we test them
        if( ( pad->GetLayerSet() & layerMask ) == 0 &&
            ( pad->GetLayerSet() & all_cu ) != 0 &&
            ( aRefPad->GetLayerSet() & all_cu ) != 0 )
        {
            // if holes are in the same location and have the same size and shape,
            // this can be accepted
            if( pad->GetPosition() == aRefPad->GetPosition()
                && pad->GetDrillSize() == aRefPad->GetDrillSize()
                && pad->GetDrillShape() == aRefPad->GetDrillShape() )
            {
                if( aRefPad->GetDrillShape() == PAD_DRILL_SHAPE_CIRCLE )
                    continue;

                // for oval holes: must also have the same orientation
                if( pad->GetOrientation() == aRefPad->GetOrientation() )
                    continue;
            }

            /* Here, we must test clearance between holes and pads
             * dummy pad size and shape is adjusted to pad drill size and shape
             */
            if( pad->GetDrillSize().x )
            {
                // pad under testing has a hole, test this hole against pad reference
                dummypad.SetPosition( pad->GetPosition() );
                dummypad.SetSize( pad->GetDrillSize() );
                dummypad.SetShape( pad->GetDrillShape() == PAD_DRILL_SHAPE_OBLONG ?
                                                           PAD_SHAPE_OVAL : PAD_SHAPE_CIRCLE );
                dummypad.SetOrientation( pad->GetOrientation() );

                if( !checkClearancePadToPad( aRefPad, &dummypad ) )
                {
                    // here we have a drc error on pad!
                    m_currentMarker = fillMarker( pad, aRefPad,
                                                  DRCE_HOLE_NEAR_PAD, m_currentMarker );
                    return false;
                }
            }

            if( aRefPad->GetDrillSize().x ) // pad reference has a hole
            {
                dummypad.SetPosition( aRefPad->GetPosition() );
                dummypad.SetSize( aRefPad->GetDrillSize() );
                dummypad.SetShape( aRefPad->GetDrillShape() == PAD_DRILL_SHAPE_OBLONG ?
                                                               PAD_SHAPE_OVAL : PAD_SHAPE_CIRCLE );
                dummypad.SetOrientation( aRefPad->GetOrientation() );

                if( !checkClearancePadToPad( pad, &dummypad ) )
                {
                    // here we have a drc error on aRefPad!
                    m_currentMarker = fillMarker( aRefPad, pad,
                                                  DRCE_HOLE_NEAR_PAD, m_currentMarker );
                    return false;
                }
            }

            continue;
        }

        // The pad must be in a net (i.e pt_pad->GetNet() != 0 ),
        // But no problem if pads have the same netcode (same net)
        if( pad->GetNetCode() && ( aRefPad->GetNetCode() == pad->GetNetCode() ) )
            continue;

        // if pads are from the same footprint
        if( pad->GetParent() == aRefPad->GetParent() )
        {
            // and have the same pad number ( equivalent pads  )

            // one can argue that this 2nd test is not necessary, that any
            // two pads from a single module are acceptable.  This 2nd test
            // should eventually be a configuration option.
            if( pad->PadNameEqual( aRefPad ) )
                continue;
        }

        // if either pad has no drill and is only on technical layers, not a clearance violation
        if( ( ( pad->GetLayerSet() & layerMask ) == 0 && !pad->GetDrillSize().x ) ||
            ( ( aRefPad->GetLayerSet() & layerMask ) == 0 && !aRefPad->GetDrillSize().x ) )
        {
            continue;
        }

        if( !checkClearancePadToPad( aRefPad, pad ) )
        {
            // here we have a drc error!
            m_currentMarker = fillMarker( aRefPad, pad, DRCE_PAD_NEAR_PAD1, m_currentMarker );
            return false;
        }
    }

    return true;
}
void DRC::testTexts()
{
    std::vector<wxPoint> textShape;      // a buffer to store the text shape (set of segments)
    std::vector<D_PAD*> padList = m_pcb->GetPads();

    // Test text areas for vias, tracks and pads inside text areas
    for( BOARD_ITEM* item = m_pcb->m_Drawings; item; item = item->Next() )
    {
        // Drc test only items on copper layers
        if( ! IsCopperLayer( item->GetLayer() ) )
            continue;

        // only texts on copper layers are tested
        if( item->Type() !=  PCB_TEXT_T )
            continue;

        textShape.clear();

        // So far the bounding box makes up the text-area
        TEXTE_PCB* text = (TEXTE_PCB*) item;
        text->TransformTextShapeToSegmentList( textShape );

        if( textShape.size() == 0 )     // Should not happen (empty text?)
            continue;

        for( TRACK* track = m_pcb->m_Track; track != NULL; track = track->Next() )
        {
            if( ! track->IsOnLayer( item->GetLayer() ) )
                    continue;

            // Test the distance between each segment and the current track/via
            int min_dist = ( track->GetWidth() + text->GetThickness() ) /2 +
                           track->GetClearance(NULL);

            if( track->Type() == PCB_TRACE_T )
            {
                SEG segref( track->GetStart(), track->GetEnd() );

                // Error condition: Distance between text segment and track segment is
                // smaller than the clearance of the segment
                for( unsigned jj = 0; jj < textShape.size(); jj += 2 )
                {
                    SEG segtest( textShape[jj], textShape[jj+1] );
                    int dist = segref.Distance( segtest );

                    if( dist < min_dist )
                    {
                        addMarkerToPcb( fillMarker( track, text,
                                                    DRCE_TRACK_INSIDE_TEXT,
                                                    m_currentMarker ) );
                        m_currentMarker = nullptr;
                        break;
                    }
                }
            }
            else if( track->Type() == PCB_VIA_T )
            {
                // Error condition: Distance between text segment and via is
                // smaller than the clearance of the via
                for( unsigned jj = 0; jj < textShape.size(); jj += 2 )
                {
                    SEG segtest( textShape[jj], textShape[jj+1] );

                    if( segtest.PointCloserThan( track->GetPosition(), min_dist ) )
                    {
                        addMarkerToPcb( fillMarker( track, text,
                                                    DRCE_VIA_INSIDE_TEXT, m_currentMarker ) );
                        m_currentMarker = nullptr;
                        break;
                    }
                }
            }
        }

        // Test pads
        for( unsigned ii = 0; ii < padList.size(); ii++ )
        {
            D_PAD* pad = padList[ii];

            if( ! pad->IsOnLayer( item->GetLayer() ) )
                    continue;

            wxPoint shape_pos = pad->ShapePos();

            for( unsigned jj = 0; jj < textShape.size(); jj += 2 )
            {
                /* In order to make some calculations more easier or faster,
                 * pads and tracks coordinates will be made relative
                 * to the segment origin
                 */
                wxPoint origin = textShape[jj];  // origin will be the origin of other coordinates
                m_segmEnd = textShape[jj+1] - origin;
                wxPoint delta = m_segmEnd;
                m_segmAngle = 0;

                // for a non horizontal or vertical segment Compute the segment angle
                // in tenths of degrees and its length
                if( delta.x || delta.y )    // delta.x == delta.y == 0 for vias
                {
                    // Compute the segment angle in 0,1 degrees
                    m_segmAngle = ArcTangente( delta.y, delta.x );

                    // Compute the segment length: we build an equivalent rotated segment,
                    // this segment is horizontal, therefore dx = length
                    RotatePoint( &delta, m_segmAngle );    // delta.x = length, delta.y = 0
                }

                m_segmLength = delta.x;
                m_padToTestPos = shape_pos - origin;

                if( !checkClearanceSegmToPad( pad, text->GetThickness(),
                                              pad->GetClearance(NULL) ) )
                {
                    addMarkerToPcb( fillMarker( pad, text,
                                                DRCE_PAD_INSIDE_TEXT, m_currentMarker ) );
                    m_currentMarker = nullptr;
                    break;
                }
            }
        }
    }
}
bool DRC::doNetClass( NETCLASSPTR nc, wxString& msg )
{
    bool ret = true;

    const BOARD_DESIGN_SETTINGS& g = m_pcb->GetDesignSettings();

#define FmtVal( x ) GetChars( StringFromValue( g_UserUnit, x ) )

#if 0   // set to 1 when (if...) BOARD_DESIGN_SETTINGS has a m_MinClearance value
    if( nc->GetClearance() < g.m_MinClearance )
    {
        msg.Printf( _( "NETCLASS: '%s' has Clearance:%s which is less than global:%s" ),
                    GetChars( nc->GetName() ),
                    FmtVal( nc->GetClearance() ),
                    FmtVal( g.m_TrackClearance )
                    );

        addMarkerToPcb( fillMarker( DRCE_NETCLASS_CLEARANCE, msg, m_currentMarker ) );
        m_currentMarker = nullptr;
        ret = false;
    }
#endif

    if( nc->GetTrackWidth() < g.m_TrackMinWidth )
    {
        msg.Printf( _( "NETCLASS: '%s' has TrackWidth:%s which is less than global:%s" ),
                    GetChars( nc->GetName() ),
                    FmtVal( nc->GetTrackWidth() ),
                    FmtVal( g.m_TrackMinWidth )
                    );

        addMarkerToPcb( fillMarker( DRCE_NETCLASS_TRACKWIDTH, msg, m_currentMarker ) );
        m_currentMarker = nullptr;
        ret = false;
    }

    if( nc->GetViaDiameter() < g.m_ViasMinSize )
    {
        msg.Printf( _( "NETCLASS: '%s' has Via Dia:%s which is less than global:%s" ),
                    GetChars( nc->GetName() ),
                    FmtVal( nc->GetViaDiameter() ),
                    FmtVal( g.m_ViasMinSize )
                    );

        addMarkerToPcb( fillMarker( DRCE_NETCLASS_VIASIZE, msg, m_currentMarker ) );
        m_currentMarker = nullptr;
        ret = false;
    }

    if( nc->GetViaDrill() < g.m_ViasMinDrill )
    {
        msg.Printf( _( "NETCLASS: '%s' has Via Drill:%s which is less than global:%s" ),
                    GetChars( nc->GetName() ),
                    FmtVal( nc->GetViaDrill() ),
                    FmtVal( g.m_ViasMinDrill )
                    );

        addMarkerToPcb( fillMarker( DRCE_NETCLASS_VIADRILLSIZE, msg, m_currentMarker ) );
        m_currentMarker = nullptr;
        ret = false;
    }

    if( nc->GetuViaDiameter() < g.m_MicroViasMinSize )
    {
        msg.Printf( _( "NETCLASS: '%s' has uVia Dia:%s which is less than global:%s" ),
                    GetChars( nc->GetName() ),
                    FmtVal( nc->GetuViaDiameter() ),
                    FmtVal( g.m_MicroViasMinSize )
                    );

        addMarkerToPcb( fillMarker( DRCE_NETCLASS_uVIASIZE, msg, m_currentMarker ) );
        m_currentMarker = nullptr;
        ret = false;
    }

    if( nc->GetuViaDrill() < g.m_MicroViasMinDrill )
    {
        msg.Printf( _( "NETCLASS: '%s' has uVia Drill:%s which is less than global:%s" ),
                    GetChars( nc->GetName() ),
                    FmtVal( nc->GetuViaDrill() ),
                    FmtVal( g.m_MicroViasMinDrill )
                    );

        addMarkerToPcb( fillMarker( DRCE_NETCLASS_uVIADRILLSIZE, msg, m_currentMarker ) );
        m_currentMarker = nullptr;
        ret = false;
    }

    return ret;
}
bool DRC::doTrackDrc( TRACK* aRefSeg, TRACK* aStart, bool testPads )
{
    TRACK*    track;
    wxPoint   delta;           // length on X and Y axis of segments
    LSET layerMask;
    int       net_code_ref;
    wxPoint   shape_pos;

    NETCLASSPTR netclass = aRefSeg->GetNetClass();
    BOARD_DESIGN_SETTINGS& dsnSettings = m_pcb->GetDesignSettings();

    /* In order to make some calculations more easier or faster,
     * pads and tracks coordinates will be made relative to the reference segment origin
     */
    wxPoint origin = aRefSeg->GetStart();  // origin will be the origin of other coordinates

    m_segmEnd   = delta = aRefSeg->GetEnd() - origin;
    m_segmAngle = 0;

    layerMask    = aRefSeg->GetLayerSet();
    net_code_ref = aRefSeg->GetNetCode();

    // Phase 0 : Test vias
    if( aRefSeg->Type() == PCB_VIA_T )
    {
        const VIA *refvia = static_cast<const VIA*>( aRefSeg );
        // test if the via size is smaller than minimum
        if( refvia->GetViaType() == VIA_MICROVIA )
        {
            if( refvia->GetWidth() < dsnSettings.m_MicroViasMinSize )
            {
                m_currentMarker = fillMarker( refvia, NULL,
                                              DRCE_TOO_SMALL_MICROVIA, m_currentMarker );
                return false;
            }
            if( refvia->GetDrillValue() < dsnSettings.m_MicroViasMinDrill )
            {
                m_currentMarker = fillMarker( refvia, NULL,
                                              DRCE_TOO_SMALL_MICROVIA_DRILL, m_currentMarker );
                return false;
            }
        }
        else
        {
            if( refvia->GetWidth() < dsnSettings.m_ViasMinSize )
            {
                m_currentMarker = fillMarker( refvia, NULL,
                                              DRCE_TOO_SMALL_VIA, m_currentMarker );
                return false;
            }
            if( refvia->GetDrillValue() < dsnSettings.m_ViasMinDrill )
            {
                m_currentMarker = fillMarker( refvia, NULL,
                                              DRCE_TOO_SMALL_VIA_DRILL, m_currentMarker );
                return false;
            }
        }

        // test if via's hole is bigger than its diameter
        // This test is necessary since the via hole size and width can be modified
        // and a default via hole can be bigger than some vias sizes
        if( refvia->GetDrillValue() > refvia->GetWidth() )
        {
            m_currentMarker = fillMarker( refvia, NULL,
                                          DRCE_VIA_HOLE_BIGGER, m_currentMarker );
            return false;
        }

        // For microvias: test if they are blind vias and only between 2 layers
        // because they are used for very small drill size and are drill by laser
        // and **only one layer** can be drilled
        if( refvia->GetViaType() == VIA_MICROVIA )
        {
            LAYER_ID    layer1, layer2;
            bool        err = true;

            refvia->LayerPair( &layer1, &layer2 );

            if( layer1 > layer2 )
                std::swap( layer1, layer2 );

            if( layer2 == B_Cu && layer1 == m_pcb->GetDesignSettings().GetCopperLayerCount() - 2 )
                err = false;
            else if( layer1 == F_Cu  &&  layer2 == In1_Cu  )
                err = false;

            if( err )
            {
                m_currentMarker = fillMarker( refvia, NULL,
                                              DRCE_MICRO_VIA_INCORRECT_LAYER_PAIR, m_currentMarker );
                return false;
            }
        }
    }
    else    // This is a track segment
    {
        if( aRefSeg->GetWidth() < dsnSettings.m_TrackMinWidth )
        {
            m_currentMarker = fillMarker( aRefSeg, NULL,
                                          DRCE_TOO_SMALL_TRACK_WIDTH, m_currentMarker );
            return false;
        }
    }

    // for a non horizontal or vertical segment Compute the segment angle
    // in tenths of degrees and its length
    if( delta.x || delta.y )
    {
        // Compute the segment angle in 0,1 degrees
        m_segmAngle = ArcTangente( delta.y, delta.x );

        // Compute the segment length: we build an equivalent rotated segment,
        // this segment is horizontal, therefore dx = length
        RotatePoint( &delta, m_segmAngle );    // delta.x = length, delta.y = 0
    }

    m_segmLength = delta.x;

    /******************************************/
    /* Phase 1 : test DRC track to pads :     */
    /******************************************/

    /* Use a dummy pad to test DRC tracks versus holes, for pads not on all copper layers
     * but having a hole
     * This dummy pad has the size and shape of the hole
     * to test tracks to pad hole DRC, using checkClearanceSegmToPad test function.
     * Therefore, this dummy pad is a circle or an oval.
     * A pad must have a parent because some functions expect a non null parent
     * to find the parent board, and some other data
     */
    MODULE  dummymodule( m_pcb );    // Creates a dummy parent
    D_PAD   dummypad( &dummymodule );

    dummypad.SetLayerSet( LSET::AllCuMask() );     // Ensure the hole is on all layers

    // Compute the min distance to pads
    if( testPads )
    {
        unsigned pad_count = m_pcb->GetPadCount();

        for( unsigned ii = 0;  ii<pad_count;  ++ii )
        {
            D_PAD* pad = m_pcb->GetPad( ii );

            /* No problem if pads are on an other layer,
             * But if a drill hole exists	(a pad on a single layer can have a hole!)
             * we must test the hole
             */
            if( !( pad->GetLayerSet() & layerMask ).any() )
            {
                /* We must test the pad hole. In order to use the function
                 * checkClearanceSegmToPad(),a pseudo pad is used, with a shape and a
                 * size like the hole
                 */
                if( pad->GetDrillSize().x == 0 )
                    continue;

                dummypad.SetSize( pad->GetDrillSize() );
                dummypad.SetPosition( pad->GetPosition() );
                dummypad.SetShape( pad->GetDrillShape()  == PAD_DRILL_SHAPE_OBLONG ?
                                   PAD_SHAPE_OVAL : PAD_SHAPE_CIRCLE );
                dummypad.SetOrientation( pad->GetOrientation() );

                m_padToTestPos = dummypad.GetPosition() - origin;

                if( !checkClearanceSegmToPad( &dummypad, aRefSeg->GetWidth(),
                                              netclass->GetClearance() ) )
                {
                    m_currentMarker = fillMarker( aRefSeg, pad,
                                                  DRCE_TRACK_NEAR_THROUGH_HOLE, m_currentMarker );
                    return false;
                }

                continue;
            }

            // The pad must be in a net (i.e pt_pad->GetNet() != 0 )
            // but no problem if the pad netcode is the current netcode (same net)
            if( pad->GetNetCode()                       // the pad must be connected
               && net_code_ref == pad->GetNetCode() )   // the pad net is the same as current net -> Ok
                continue;

            // DRC for the pad
            shape_pos = pad->ShapePos();
            m_padToTestPos = shape_pos - origin;

            if( !checkClearanceSegmToPad( pad, aRefSeg->GetWidth(), aRefSeg->GetClearance( pad ) ) )
            {
                m_currentMarker = fillMarker( aRefSeg, pad,
                                              DRCE_TRACK_NEAR_PAD, m_currentMarker );
                return false;
            }
        }
    }

    /***********************************************/
    /* Phase 2: test DRC with other track segments */
    /***********************************************/

    // At this point the reference segment is the X axis

    // Test the reference segment with other track segments
    wxPoint segStartPoint;
    wxPoint segEndPoint;
    for( track = aStart; track; track = track->Next() )
    {
        // No problem if segments have the same net code:
        if( net_code_ref == track->GetNetCode() )
            continue;

        // No problem if segment are on different layers :
        if( !( layerMask & track->GetLayerSet() ).any() )
            continue;

        // the minimum distance = clearance plus half the reference track
        // width plus half the other track's width
        int w_dist = aRefSeg->GetClearance( track );
        w_dist += (aRefSeg->GetWidth() + track->GetWidth()) / 2;

        // Due to many double to int conversions during calculations, which
        // create rounding issues,
        // the exact clearance margin cannot be really known.
        // To avoid false bad DRC detection due to these rounding issues,
        // slightly decrease the w_dist (remove one nanometer is enough !)
        w_dist -= 1;

        // If the reference segment is a via, we test it here
        if( aRefSeg->Type() == PCB_VIA_T )
        {
            delta = track->GetEnd() - track->GetStart();
            segStartPoint = aRefSeg->GetStart() - track->GetStart();

            if( track->Type() == PCB_VIA_T )
            {
                // Test distance between two vias, i.e. two circles, trivial case
                if( EuclideanNorm( segStartPoint ) < w_dist )
                {
                    m_currentMarker = fillMarker( aRefSeg, track,
                                                  DRCE_VIA_NEAR_VIA, m_currentMarker );
                    return false;
                }
            }
            else    // test via to segment
            {
                // Compute l'angle du segment a tester;
                double angle = ArcTangente( delta.y, delta.x );

                // Compute new coordinates ( the segment become horizontal)
                RotatePoint( &delta, angle );
                RotatePoint( &segStartPoint, angle );

                if( !checkMarginToCircle( segStartPoint, w_dist, delta.x ) )
                {
                    m_currentMarker = fillMarker( track, aRefSeg,
                                                  DRCE_VIA_NEAR_TRACK, m_currentMarker );
                    return false;
                }
            }

            continue;
        }

        /* We compute segStartPoint, segEndPoint = starting and ending point coordinates for
         * the segment to test in the new axis : the new X axis is the
         * reference segment.  We must translate and rotate the segment to test
         */
        segStartPoint = track->GetStart() - origin;
        segEndPoint   = track->GetEnd() - origin;
        RotatePoint( &segStartPoint, m_segmAngle );
        RotatePoint( &segEndPoint, m_segmAngle );
        if( track->Type() == PCB_VIA_T )
        {
            if( checkMarginToCircle( segStartPoint, w_dist, m_segmLength ) )
                continue;

            m_currentMarker = fillMarker( aRefSeg, track,
                                          DRCE_TRACK_NEAR_VIA, m_currentMarker );
            return false;
        }

        /*	We have changed axis:
         *  the reference segment is Horizontal.
         *  3 cases : the segment to test can be parallel, perpendicular or have an other direction
         */
        if( segStartPoint.y == segEndPoint.y ) // parallel segments
        {
            if( abs( segStartPoint.y ) >= w_dist )
                continue;

            // Ensure segStartPoint.x <= segEndPoint.x
            if( segStartPoint.x > segEndPoint.x )
                std::swap( segStartPoint.x, segEndPoint.x );

            if( segStartPoint.x > (-w_dist) && segStartPoint.x < (m_segmLength + w_dist) )    /* possible error drc */
            {
                // the start point is inside the reference range
                //      X........
                //    O--REF--+

                // Fine test : we consider the rounded shape of each end of the track segment:
                if( segStartPoint.x >= 0 && segStartPoint.x <= m_segmLength )
                {
                    m_currentMarker = fillMarker( aRefSeg, track,
                                                  DRCE_TRACK_ENDS1, m_currentMarker );
                    return false;
                }

                if( !checkMarginToCircle( segStartPoint, w_dist, m_segmLength ) )
                {
                    m_currentMarker = fillMarker( aRefSeg, track,
                                                  DRCE_TRACK_ENDS2, m_currentMarker );
                    return false;
                }
            }

            if( segEndPoint.x > (-w_dist) && segEndPoint.x < (m_segmLength + w_dist) )
            {
                // the end point is inside the reference range
                //  .....X
                //    O--REF--+
                // Fine test : we consider the rounded shape of the ends
                if( segEndPoint.x >= 0 && segEndPoint.x <= m_segmLength )
                {
                    m_currentMarker = fillMarker( aRefSeg, track,
                                                  DRCE_TRACK_ENDS3, m_currentMarker );
                    return false;
                }

                if( !checkMarginToCircle( segEndPoint, w_dist, m_segmLength ) )
                {
                    m_currentMarker = fillMarker( aRefSeg, track,
                                                  DRCE_TRACK_ENDS4, m_currentMarker );
                    return false;
                }
            }

            if( segStartPoint.x <=0 && segEndPoint.x >= 0 )
            {
            // the segment straddles the reference range (this actually only
            // checks if it straddles the origin, because the other cases where already
            // handled)
            //  X.............X
            //    O--REF--+
                m_currentMarker = fillMarker( aRefSeg, track,
                                              DRCE_TRACK_SEGMENTS_TOO_CLOSE, m_currentMarker );
                return false;
            }
        }
        else if( segStartPoint.x == segEndPoint.x ) // perpendicular segments
        {
            if( ( segStartPoint.x <= (-w_dist) ) || ( segStartPoint.x >= (m_segmLength + w_dist) ) )
                continue;

            // Test if segments are crossing
            if( segStartPoint.y > segEndPoint.y )
                std::swap( segStartPoint.y, segEndPoint.y );

            if( (segStartPoint.y < 0) && (segEndPoint.y > 0) )
            {
                m_currentMarker = fillMarker( aRefSeg, track,
                                              DRCE_TRACKS_CROSSING, m_currentMarker );
                return false;
            }

            // At this point the drc error is due to an end near a reference segm end
            if( !checkMarginToCircle( segStartPoint, w_dist, m_segmLength ) )
            {
                m_currentMarker = fillMarker( aRefSeg, track,
                                              DRCE_ENDS_PROBLEM1, m_currentMarker );
                return false;
            }
            if( !checkMarginToCircle( segEndPoint, w_dist, m_segmLength ) )
            {
                m_currentMarker = fillMarker( aRefSeg, track,
                                              DRCE_ENDS_PROBLEM2, m_currentMarker );
                return false;
            }
        }
        else    // segments quelconques entre eux
        {
            // calcul de la "surface de securite du segment de reference
            // First rought 'and fast) test : the track segment is like a rectangle

            m_xcliplo = m_ycliplo = -w_dist;
            m_xcliphi = m_segmLength + w_dist;
            m_ycliphi = w_dist;

            // A fine test is needed because a serment is not exactly a
            // rectangle, it has rounded ends
            if( !checkLine( segStartPoint, segEndPoint ) )
            {
                /* 2eme passe : the track has rounded ends.
                 * we must a fine test for each rounded end and the
                 * rectangular zone
                 */

                m_xcliplo = 0;
                m_xcliphi = m_segmLength;

                if( !checkLine( segStartPoint, segEndPoint ) )
                {
                    m_currentMarker = fillMarker( aRefSeg, track,
                                                  DRCE_ENDS_PROBLEM3, m_currentMarker );
                    return false;
                }
                else    // The drc error is due to the starting or the ending point of the reference segment
                {
                    // Test the starting and the ending point
                    segStartPoint = track->GetStart();
                    segEndPoint   = track->GetEnd();
                    delta = segEndPoint - segStartPoint;

                    // Compute the segment orientation (angle) en 0,1 degre
                    double angle = ArcTangente( delta.y, delta.x );

                    // Compute the segment length: delta.x = length after rotation
                    RotatePoint( &delta, angle );

                    /* Comute the reference segment coordinates relatives to a
                     *  X axis = current tested segment
                     */
                    wxPoint relStartPos = aRefSeg->GetStart() - segStartPoint;
                    wxPoint relEndPos   = aRefSeg->GetEnd() - segStartPoint;

                    RotatePoint( &relStartPos, angle );
                    RotatePoint( &relEndPos, angle );

                    if( !checkMarginToCircle( relStartPos, w_dist, delta.x ) )
                    {
                        m_currentMarker = fillMarker( aRefSeg, track,
                                                      DRCE_ENDS_PROBLEM4, m_currentMarker );
                        return false;
                    }

                    if( !checkMarginToCircle( relEndPos, w_dist, delta.x ) )
                    {
                        m_currentMarker = fillMarker( aRefSeg, track,
                                                      DRCE_ENDS_PROBLEM5, m_currentMarker );
                        return false;
                    }
                }
            }
        }
    }

    return true;
}
bool DRC::doEdgeZoneDrc( ZONE_CONTAINER* aArea, int aCornerIndex )
{
    if( !aArea->IsOnCopperLayer() )    // Cannot have a Drc error if not on copper layer
        return true;

    wxPoint  start = aArea->GetCornerPosition( aCornerIndex );
    wxPoint  end;

    // Search the end point of the edge starting at aCornerIndex
    if( aArea->Outline()->m_CornersList[aCornerIndex].end_contour == false
            && aCornerIndex < (aArea->GetNumCorners() - 1) )
    {
        end = aArea->GetCornerPosition( aCornerIndex + 1 );
    }
    else    // aCornerIndex is the last corner of an outline.
        // the corresponding end point of the segment is the first corner of the outline
    {
        int ii = aCornerIndex - 1;
        end = aArea->GetCornerPosition( ii );

        while( ii >= 0 )
        {
            if( aArea->Outline()->m_CornersList[ii].end_contour )
                break;

            end = aArea->GetCornerPosition( ii );
            ii--;
        }
    }

    // iterate through all areas
    for( int ia2 = 0; ia2 < m_pcb->GetAreaCount(); ia2++ )
    {
        ZONE_CONTAINER* area_to_test   = m_pcb->GetArea( ia2 );
        int             zone_clearance = std::max( area_to_test->GetZoneClearance(),
                                         aArea->GetZoneClearance() );

        // test for same layer
        if( area_to_test->GetLayer() != aArea->GetLayer() )
            continue;

        // Test for same net
        if( ( aArea->GetNetCode() == area_to_test->GetNetCode() ) && (aArea->GetNetCode() >= 0) )
            continue;

        // test for same priority
        if( area_to_test->GetPriority() != aArea->GetPriority() )
            continue;

        // test for same type
        if( area_to_test->GetIsKeepout() != aArea->GetIsKeepout() )
            continue;

        // For keepout, there is no clearance, so use a minimal value for it
        // use 1, not 0 as value to avoid some issues in tests
        if( area_to_test->GetIsKeepout() )
            zone_clearance = 1;

        // test for ending line inside area_to_test
        if( area_to_test->Outline()->TestPointInside( end.x, end.y ) )
        {
            // COPPERAREA_COPPERAREA error: corner inside copper area
            m_currentMarker = fillMarker( aArea, end,
                                          COPPERAREA_INSIDE_COPPERAREA,
                                          m_currentMarker );
            return false;
        }

        // now test spacing between areas
        int ax1    = start.x;
        int ay1    = start.y;
        int ax2    = end.x;
        int ay2    = end.y;

        for( int icont2 = 0; icont2 < area_to_test->Outline()->GetContoursCount(); icont2++ )
        {
            int ic_start2 = area_to_test->Outline()->GetContourStart( icont2 );
            int ic_end2   = area_to_test->Outline()->GetContourEnd( icont2 );

            for( int ic2 = ic_start2; ic2<=ic_end2; ic2++ )
            {
                int bx1 = area_to_test->Outline()->GetX( ic2 );
                int by1 = area_to_test->Outline()->GetY( ic2 );
                int bx2, by2;

                if( ic2 == ic_end2 )
                {
                    bx2 = area_to_test->Outline()->GetX( ic_start2 );
                    by2 = area_to_test->Outline()->GetY( ic_start2 );
                }
                else
                {
                    bx2 = area_to_test->Outline()->GetX( ic2 + 1 );
                    by2 = area_to_test->Outline()->GetY( ic2 + 1 );
                }

                int x, y;   // variables containing the intersecting point coordinates
                int d = GetClearanceBetweenSegments( bx1, by1, bx2, by2,
                                                     0,
                                                     ax1, ay1, ax2, ay2,
                                                     0,
                                                     zone_clearance,
                                                     &x, &y );

                if( d < zone_clearance )
                {
                    // COPPERAREA_COPPERAREA error : edge intersect or too close
                    m_currentMarker = fillMarker( aArea, wxPoint( x, y ),
                                                  COPPERAREA_CLOSE_TO_COPPERAREA,
                                                  m_currentMarker );
                    return false;
                }
            }
        }
    }

    return true;
}
示例#10
0
bool DRC::doEdgeZoneDrc( ZONE_CONTAINER* aArea, int aCornerIndex )
{
    if( !aArea->IsOnCopperLayer() )    // Cannot have a Drc error if not on copper layer
        return true;

    wxString str;

    wxPoint  start = aArea->GetCornerPosition( aCornerIndex );
    wxPoint  end;

    // Search the end point of the edge starting at aCornerIndex
    if( aArea->m_Poly->corner[aCornerIndex].end_contour == false
       && aCornerIndex < (aArea->GetNumCorners() - 1) )
    {
        end = aArea->GetCornerPosition( aCornerIndex + 1 );
    }
    else    // aCornerIndex is the last corner of an outline.
            // the corresponding end point of the segment is the first corner of the outline
    {
        int ii = aCornerIndex - 1;
        end = aArea->GetCornerPosition( ii );

        while( ii >= 0 )
        {
            if( aArea->m_Poly->corner[ii].end_contour )
                break;

            end = aArea->GetCornerPosition( ii );
            ii--;
        }
    }

    // iterate through all areas
    for( int ia2 = 0; ia2 < m_pcb->GetAreaCount(); ia2++ )
    {
        ZONE_CONTAINER* Area_To_Test   = m_pcb->GetArea( ia2 );
        int             zone_clearance = max( Area_To_Test->m_ZoneClearance,
                                              aArea->m_ZoneClearance );

        // test for same layer
        if( Area_To_Test->GetLayer() != aArea->GetLayer() )
            continue;

        // Test for same net
        if( ( aArea->GetNet() == Area_To_Test->GetNet() ) && (aArea->GetNet() >= 0) )
            continue;

        // test for same priority
        if( Area_To_Test->GetPriority() != aArea->GetPriority() )
            continue;

        // test for ending line inside Area_To_Test
        int x = end.x;
        int y = end.y;

        if( Area_To_Test->m_Poly->TestPointInside( x, y ) )
        {
            // COPPERAREA_COPPERAREA error: corner inside copper area
            m_currentMarker = fillMarker( aArea, wxPoint( x, y ),
                                          COPPERAREA_INSIDE_COPPERAREA,
                                          m_currentMarker );
            return false;
        }

        // now test spacing between areas
        int astyle = CPolyLine::STRAIGHT;
        int ax1    = start.x;
        int ay1    = start.y;
        int ax2    = end.x;
        int ay2    = end.y;

        for( int icont2 = 0; icont2 < Area_To_Test->m_Poly->GetNumContours(); icont2++ )
        {
            int ic_start2 = Area_To_Test->m_Poly->GetContourStart( icont2 );
            int ic_end2   = Area_To_Test->m_Poly->GetContourEnd( icont2 );

            for( int ic2 = ic_start2; ic2<=ic_end2; ic2++ )
            {
                int bx1 = Area_To_Test->m_Poly->GetX( ic2 );
                int by1 = Area_To_Test->m_Poly->GetY( ic2 );
                int bx2, by2;

                if( ic2 == ic_end2 )
                {
                    bx2 = Area_To_Test->m_Poly->GetX( ic_start2 );
                    by2 = Area_To_Test->m_Poly->GetY( ic_start2 );
                }
                else
                {
                    bx2 = Area_To_Test->m_Poly->GetX( ic2 + 1 );
                    by2 = Area_To_Test->m_Poly->GetY( ic2 + 1 );
                }

                int bstyle = Area_To_Test->m_Poly->GetSideStyle( ic2 );
                int x, y;
                int d = GetClearanceBetweenSegments( bx1, by1, bx2, by2, bstyle,
                                                     0,
                                                     ax1, ay1, ax2, ay2, astyle,
                                                     0,
                                                     zone_clearance,
                                                     &x, &y );

                if( d < zone_clearance )
                {
                    // COPPERAREA_COPPERAREA error : edge intersect or too close
                    m_currentMarker = fillMarker( aArea, wxPoint( x, y ),
                                                  COPPERAREA_CLOSE_TO_COPPERAREA,
                                                  m_currentMarker );
                    return false;
                }
            }
        }
    }

    return true;
}
bool DRC::doEdgeZoneDrc( ZONE_CONTAINER* aArea, int aCornerIndex )
{
    if( !aArea->IsOnCopperLayer() )    // Cannot have a Drc error if not on copper layer
        return true;
    // Get polygon, contour and vertex index.
    SHAPE_POLY_SET::VERTEX_INDEX index;

    // If the vertex does not exist, there is no conflict
    if( !aArea->Outline()->GetRelativeIndices( aCornerIndex, &index ) )
        return true;

    // Retrieve the selected contour
    SHAPE_LINE_CHAIN contour;
    contour = aArea->Outline()->Polygon( index.m_polygon )[index.m_contour];

    // Retrieve the segment that starts at aCornerIndex-th corner.
    SEG selectedSegment = contour.Segment( index.m_vertex );

    VECTOR2I start = selectedSegment.A;
    VECTOR2I end = selectedSegment.B;

    // iterate through all areas
    for( int ia2 = 0; ia2 < m_pcb->GetAreaCount(); ia2++ )
    {
        ZONE_CONTAINER* area_to_test   = m_pcb->GetArea( ia2 );
        int             zone_clearance = std::max( area_to_test->GetZoneClearance(),
                                                   aArea->GetZoneClearance() );

        // test for same layer
        if( area_to_test->GetLayer() != aArea->GetLayer() )
            continue;

        // Test for same net
        if( ( aArea->GetNetCode() == area_to_test->GetNetCode() ) && (aArea->GetNetCode() >= 0) )
            continue;

        // test for same priority
        if( area_to_test->GetPriority() != aArea->GetPriority() )
            continue;

        // test for same type
        if( area_to_test->GetIsKeepout() != aArea->GetIsKeepout() )
            continue;

        // For keepout, there is no clearance, so use a minimal value for it
        // use 1, not 0 as value to avoid some issues in tests
        if( area_to_test->GetIsKeepout() )
            zone_clearance = 1;

        // test for ending line inside area_to_test
        if( area_to_test->Outline()->Contains( end ) )
        {
            // COPPERAREA_COPPERAREA error: corner inside copper area
            m_currentMarker = fillMarker( aArea, static_cast<wxPoint>( end ),
                                          COPPERAREA_INSIDE_COPPERAREA,
                                          m_currentMarker );
            return false;
        }

        // now test spacing between areas
        int ax1    = start.x;
        int ay1    = start.y;
        int ax2    = end.x;
        int ay2    = end.y;

        // Iterate through all edges in the polygon.
        SHAPE_POLY_SET::SEGMENT_ITERATOR iterator;
        for( iterator = area_to_test->Outline()->IterateSegmentsWithHoles(); iterator; iterator++ )
        {
            SEG segment = *iterator;

            int bx1 = segment.A.x;
            int by1 = segment.A.y;
            int bx2 = segment.B.x;
            int by2 = segment.B.y;

            int x, y;   // variables containing the intersecting point coordinates
            int d = GetClearanceBetweenSegments( bx1, by1, bx2, by2,
                                                 0,
                                                 ax1, ay1, ax2, ay2,
                                                 0,
                                                 zone_clearance,
                                                 &x, &y );

            if( d < zone_clearance )
            {
                // COPPERAREA_COPPERAREA error : edge intersect or too close
                m_currentMarker = fillMarker( aArea, wxPoint( x, y ),
                                              COPPERAREA_CLOSE_TO_COPPERAREA,
                                              m_currentMarker );
                return false;
            }

        }
    }

    return true;
}