board_design_settings.h

Go to the documentation of this file.

/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2009-2019 Jean-Pierre Charras, jp.charras at wanadoo.fr
 * Copyright The 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, see <https://www.gnu.org/licenses/>.
 */
 
#pragma once
 
#include <memory>
#include <optional>
#include <set>
#include <string>
#include <vector>
 
#include <board_stackup_manager/board_stackup.h>
#include <drill/drill_symbol_profile.h>
#include <drc/drc_exclusion.h>
#include <eda_units.h>
#include <lset.h>
#include <settings/nested_settings.h>
#include <settings/bom_settings.h>
#include <widgets/ui_common.h>
#include <zone_settings.h>
#include <teardrop/teardrop_parameters.h>
#include <router/pns_meander.h>
 
 
#define DEFAULT_SILK_LINE_WIDTH       0.1
#define DEFAULT_COPPER_LINE_WIDTH     0.2
#define DEFAULT_EDGE_WIDTH            0.05
#define DEFAULT_COURTYARD_WIDTH       0.05
#define DEFAULT_LINE_WIDTH            0.10
 
#define DEFAULT_SILK_TEXT_SIZE        1.0
#define DEFAULT_COPPER_TEXT_SIZE      1.5
#define DEFAULT_TEXT_SIZE             1.0
 
#define DEFAULT_SILK_TEXT_WIDTH       0.1
#define DEFAULT_COPPER_TEXT_WIDTH     0.30
#define DEFAULT_TEXT_WIDTH            0.15
 
#define DEFAULT_DIMENSION_ARROW_LENGTH         50 // mils, for legacy purposes
#define DEFAULT_DIMENSION_EXTENSION_OFFSET     0.5
 
// Largest microvia stack pitch, in mm. Bounds the hop position arithmetic.
#define MAX_MICROVIA_STACK_PITCH_MM 25.0
 
// Board thickness, mainly for 3D view:
#define DEFAULT_BOARD_THICKNESS_MM             1.6
 
#define DEFAULT_PCB_EDGE_THICKNESS             0.15
 
// soldermask to pad clearance. The default is 0 because usually board houses
// create a clearance depending on their fab process: mask material, color, price, etc.
#define DEFAULT_SOLDERMASK_EXPANSION           0.0
 
#define DEFAULT_SOLDERMASK_TO_COPPER_CLEARANCE 0.0
 
#define DEFAULT_SOLDERMASK_MIN_WIDTH           0.0
 
#define DEFAULT_SOLDERPASTE_CLEARANCE          0.0
#define DEFAULT_SOLDERPASTE_RATIO              0.0
 
#define DEFAULT_CUSTOMTRACKWIDTH      0.2
#define DEFAULT_CUSTOMDPAIRWIDTH      0.125
#define DEFAULT_CUSTOMDPAIRGAP        0.18
#define DEFAULT_CUSTOMDPAIRVIAGAP     0.18
 
#define DEFAULT_MEANDER_SPACING       0.6
#define DEFAULT_DP_MEANDER_SPACING    1.0
 
#define DEFAULT_MINCLEARANCE          0.0     // overall min clearance
#define DEFAULT_MINCONNECTION         0.0     // overall min connection width
#define DEFAULT_TRACKMINWIDTH         0.2     // track width min value (mm)
#define DEFAULT_VIASMINSIZE           0.5     // vias (not micro vias) min diameter
#define DEFAULT_MINTHROUGHDRILL       0.3     // through holes (not micro vias) min drill diameter
#define DEFAULT_MICROVIASMINSIZE      0.2     // micro vias (not vias) min diameter
#define DEFAULT_MICROVIASMINDRILL     0.1     // micro vias (not vias) min drill diameter
#define DEFAULT_HOLETOHOLEMIN         0.25    // minimum web thickness between two drilled holes
#define DEFAULT_HOLECLEARANCE         0.25    // copper-to-hole clearance (from IPC level A)
 
#define DEFAULT_COPPEREDGECLEARANCE   0.5     // clearance between copper items and edge cuts
#define LEGACY_COPPEREDGECLEARANCE   -0.01    // A flag to indicate the legacy method (based
                                              // on edge cut line thicknesses) should be used.
#define DEFAULT_SILKCLEARANCE         0.0
#define DEFAULT_MINGROOVEWIDTH        0.0
 
#define DEFAULT_MINRESOLVEDSPOKES     2       // Fewer resolved spokes indicates a starved thermal
 
#define MINIMUM_ERROR_SIZE_MM         0.001   // For arc approximation
#define MAXIMUM_ERROR_SIZE_MM         0.1     // For arc approximation
 
class DRC_ENGINE;
class NET_SETTINGS;
class NETCLASS;
 
#define MAXIMUM_CLEARANCE             pcbIUScale.mmToIU( 500 )  // to prevent int-overflows
 
// Min/max values used in dialogs to validate settings
#define MINIMUM_LINE_WIDTH_MM         0.005   // minimal line width entered in a dialog
#define MAXIMUM_LINE_WIDTH_MM         100.0   // max line width entered in a dialog
 
// Default pad properties
#define DEFAULT_PAD_WIDTH_MM          2.54
#define DEFAULT_PAD_HEIGTH_MM         1.27
#define DEFAULT_PAD_DRILL_DIAMETER_MM 0.8
#define DEFAULT_PAD_RR_RADIUS_RATIO   0.15

struct VIA_DIMENSION
{
    int m_Diameter;     // <= 0 means use Netclass via diameter
    int m_Drill;        // <= 0 means use Netclass via drill
 
    VIA_DIMENSION()
    {
        m_Diameter = 0;
        m_Drill    = 0;
    }
 
    VIA_DIMENSION( int aDiameter, int aDrill )
    {
        m_Diameter = aDiameter;
        m_Drill    = aDrill;
    }
 
    bool operator==( const VIA_DIMENSION& aOther ) const
    {
        return ( m_Diameter == aOther.m_Diameter ) && ( m_Drill == aOther.m_Drill );
    }
 
    bool operator!=( const VIA_DIMENSION& aOther ) const { return !operator==( aOther ); }
 
    bool operator<( const VIA_DIMENSION& aOther ) const
    {
        if( m_Diameter != aOther.m_Diameter )
            return m_Diameter < aOther.m_Diameter;
 
        return m_Drill < aOther.m_Drill;
    }
};
 

struct VIA_STACK_PRESET
{
    wxString     m_Name;
    PCB_LAYER_ID m_StartLayer = F_Cu;
    PCB_LAYER_ID m_EndLayer = In1_Cu;
    bool         m_Staggered = false;
    int          m_ViaSize = 0; // <= 0 means use netclass
    int          m_ViaDrill = 0;
    bool         m_UseNetclass = false;
    bool         m_Filled = true;
    bool         m_Capped = false;
    int          m_Pitch = 0; // staggered only
 
    bool operator==( const VIA_STACK_PRESET& aOther ) const = default;
};
 

struct DIFF_PAIR_DIMENSION
{
    int m_Width;         // <= 0 means use Netclass differential pair width
    int m_Gap;           // <= 0 means use Netclass differential pair gap
    int m_ViaGap;        // <= 0 means use Netclass differential pair via gap
 
    DIFF_PAIR_DIMENSION()
    {
        m_Width  = 0;
        m_Gap    = 0;
        m_ViaGap = 0;
    }
 
    DIFF_PAIR_DIMENSION( int aWidth, int aGap, int aViaGap )
    {
        m_Width  = aWidth;
        m_Gap    = aGap;
        m_ViaGap = aViaGap;
    }
 
    bool operator==( const DIFF_PAIR_DIMENSION& aOther ) const
    {
        return ( m_Width == aOther.m_Width )
                && ( m_Gap == aOther.m_Gap )
                && ( m_ViaGap == aOther.m_ViaGap );
    }
 
    bool operator!=( const DIFF_PAIR_DIMENSION& aOther ) const { return !operator==( aOther ); }
 
    bool operator<( const DIFF_PAIR_DIMENSION& aOther ) const
    {
        if( m_Width != aOther.m_Width )
            return m_Width < aOther.m_Width;
 
        if( m_Gap != aOther.m_Gap )
            return m_Gap < aOther.m_Gap;
 
        return m_ViaGap < aOther.m_ViaGap;
    }
};
 
 
enum
{
    LAYER_CLASS_SILK = 0,
    LAYER_CLASS_COPPER,
    LAYER_CLASS_EDGES,
    LAYER_CLASS_COURTYARD,
    LAYER_CLASS_FAB,
    LAYER_CLASS_OTHERS,
 
    LAYER_CLASS_COUNT
};
 
 
struct TEXT_ITEM_INFO
{
    wxString     m_Text;
    bool         m_Visible;
    PCB_LAYER_ID m_Layer;
 
    TEXT_ITEM_INFO( const wxString& aText, bool aVisible, PCB_LAYER_ID aLayer )
    {
        m_Text = aText;
        m_Visible = aVisible;
        m_Layer = aLayer;
    }
 
    bool operator==( const TEXT_ITEM_INFO& aOther ) const
    {
        return m_Text.IsSameAs( aOther.m_Text )
                && ( m_Visible == aOther.m_Visible )
                && ( m_Layer == aOther.m_Layer );
    }
};
 
 
// forward declaration from class_track.h
enum class VIATYPE : int;
 
// forward declarations from dimension.h
enum class DIM_UNITS_FORMAT : int;
enum class DIM_TEXT_POSITION : int;
enum class DIM_UNITS_MODE : int;
enum class DIM_PRECISION : int;
 
class PAD;

class BOARD_DESIGN_SETTINGS : public NESTED_SETTINGS, public FIELDS_TABLE_BOM_SETTINGS
{
public:
    BOARD_DESIGN_SETTINGS( JSON_SETTINGS* aParent, const std::string& aPath );
 
    virtual ~BOARD_DESIGN_SETTINGS();
 
    struct VALIDATION_ERROR
    {
        wxString setting_name;
        wxString error_message;
    };
 
    bool operator==( const BOARD_DESIGN_SETTINGS& aOther ) const;
    bool operator!=( const BOARD_DESIGN_SETTINGS& aOther ) const
    {
        return !operator==( aOther );
    }
 
    BOARD_DESIGN_SETTINGS( const BOARD_DESIGN_SETTINGS& aOther);
 
    BOARD_DESIGN_SETTINGS& operator=( const BOARD_DESIGN_SETTINGS& aOther );
 
    bool LoadFromFile( const wxString& aDirectory = "" ) override;
 
    BOARD_STACKUP& GetStackupDescriptor() { return m_stackup; }
    const BOARD_STACKUP& GetStackupDescriptor() const { return m_stackup; }
 
    DRILL_SYMBOL_PROFILE& GetDrillSymbolProfile() { return m_drillSymbolProfile; }
    const DRILL_SYMBOL_PROFILE& GetDrillSymbolProfile() const { return m_drillSymbolProfile; }
 
    TEARDROP_PARAMETERS_LIST* GetTeadropParamsList()
    {
        return &m_TeardropParamsList;
    }
 
    SEVERITY GetSeverity( int aDRCErrorCode );

    bool Ignore( int aDRCErrorCode );

    std::vector<VALIDATION_ERROR> ValidateDesignRules( std::optional<EDA_UNITS> aUnits = std::nullopt ) const;
 
    ZONE_SETTINGS& GetDefaultZoneSettings()
    {
        return m_defaultZoneSettings;
    }
 
    void SetDefaultZoneSettings( const ZONE_SETTINGS& aSettings )
    {
        m_defaultZoneSettings = aSettings;
    }

    const wxString& GetCurrentNetClassName() const
    {
        return m_currentNetClassName;
    }

    bool UseNetClassTrack() const { return ( m_trackWidthIndex <= 0 && !m_useCustomTrackVia ); }

    bool UseNetClassVia() const { return ( m_viaSizeIndex <= 0 && !m_useCustomTrackVia ); }

    bool UseNetClassDiffPair() const
    {
        return ( m_diffPairIndex == 0 && !m_useCustomDiffPair );
    }

    int GetBiggestClearanceValue() const;

    int GetSmallestClearanceValue() const;

    int GetTrackWidthIndex() const { return m_trackWidthIndex; }

    void SetTrackWidthIndex( int aIndex );

    int GetNextTrackWidthIndex( int aIndex, bool aForward ) const;

    int GetCurrentTrackWidth() const;

    void SetCustomTrackWidth( int aWidth ) { m_customTrackWidth = aWidth; }
    int GetCustomTrackWidth() const { return m_customTrackWidth; }

    int GetViaSizeIndex() const { return m_viaSizeIndex; }

    inline int GetViaStackIndex() const { return m_viaStackIndex; }

    inline void SetViaStackIndex( int aIndex ) { m_viaStackIndex = aIndex; }

    void SetViaSizeIndex( int aIndex );

    int GetNextViaSizeIndex( int aIndex, bool aForward ) const;

    int GetCurrentViaSize() const;

    void SetCustomViaSize( int aSize ) { m_customViaSize.m_Diameter = aSize; }

    int GetCustomViaSize() const { return m_customViaSize.m_Diameter; }

    int GetCurrentViaDrill() const;

    void SetCustomViaDrill( int aDrill ) { m_customViaSize.m_Drill = aDrill; }

    int GetCustomViaDrill() const { return m_customViaSize.m_Drill; }

    void UseCustomTrackViaSize( bool aEnabled ) { m_useCustomTrackVia = aEnabled; }

    bool UseCustomTrackViaSize() const { return m_useCustomTrackVia;  }

    int GetDiffPairIndex() const { return m_diffPairIndex; }

    void SetDiffPairIndex( int aIndex );

    int GetNextDiffPairIndex( int aIndex, bool aForward ) const;

    void SetCustomDiffPairWidth( int aWidth ) { m_customDiffPair.m_Width = aWidth; }

    int GetCustomDiffPairWidth() { return m_customDiffPair.m_Width; }

    void SetCustomDiffPairGap( int aGap ) { m_customDiffPair.m_Gap = aGap; }

    int GetCustomDiffPairGap() { return m_customDiffPair.m_Gap; }

    void SetCustomDiffPairViaGap( int aGap ) { m_customDiffPair.m_ViaGap = aGap; }

    int GetCustomDiffPairViaGap()
    {
        return m_customDiffPair.m_ViaGap > 0 ? m_customDiffPair.m_ViaGap : m_customDiffPair.m_Gap;
    }

    void UseCustomDiffPairDimensions( bool aEnabled ) { m_useCustomDiffPair = aEnabled; }

    bool UseCustomDiffPairDimensions() const { return m_useCustomDiffPair; }

    int GetCurrentDiffPairWidth() const;

    int GetCurrentDiffPairGap() const;

    int GetCurrentDiffPairViaGap() const;

    const LSET& GetEnabledLayers() const { return m_enabledLayers; }

    void SetEnabledLayers( const LSET& aMask );

    bool IsLayerEnabled( PCB_LAYER_ID aLayerId ) const
    {
        if( aLayerId >= 0 && aLayerId < PCB_LAYER_ID_COUNT )
            return m_enabledLayers[aLayerId];
 
        return false;
    }

    int GetCopperLayerCount() const { return m_copperLayerCount; }

    void SetCopperLayerCount( int aNewLayerCount );

    int GetUserDefinedLayerCount() const { return m_userDefinedLayerCount; }

    void SetUserDefinedLayerCount( int aNewLayerCount );

    int GetBoardThickness() const { return m_boardThickness; }
    void SetBoardThickness( int aThickness ) { m_boardThickness = aThickness; }

    int GetDRCEpsilon() const;

    int GetHolePlatingThickness() const;

    int GetLineThickness( PCB_LAYER_ID aLayer ) const;

    VECTOR2I GetTextSize( PCB_LAYER_ID aLayer ) const;

    int GetTextThickness( PCB_LAYER_ID aLayer ) const;
 
    bool GetTextItalic( PCB_LAYER_ID aLayer ) const;
    bool GetTextUpright( PCB_LAYER_ID aLayer ) const;
 
    int GetLayerClass( PCB_LAYER_ID aLayer ) const;
 
    void            SetAuxOrigin( const VECTOR2I& aOrigin ) { m_auxOrigin = aOrigin; }
    const VECTOR2I& GetAuxOrigin() const { return m_auxOrigin; }
 
    void            SetGridOrigin( const VECTOR2I& aOrigin ) { m_gridOrigin = aOrigin; }
    const VECTOR2I& GetGridOrigin() const { return m_gridOrigin; }
 
    void SetDefaultMasterPad();
 
private:
    void initFromOther( const BOARD_DESIGN_SETTINGS& aOther );
 
    bool migrateSchema0to1();
    bool migrateSchema2to3();
 
public:
    // Note: the first value in each dimensions list is the current netclass value
    std::vector<int>                 m_TrackWidthList;
    std::vector<VIA_DIMENSION>       m_ViasDimensionsList;
    std::vector<VIA_STACK_PRESET>    m_ViaStackPresets;
    std::vector<DIFF_PAIR_DIMENSION> m_DiffPairDimensionsList;

    TEARDROP_PARAMETERS_LIST         m_TeardropParamsList;
 
    PNS::MEANDER_SETTINGS            m_SingleTrackMeanderSettings;
    PNS::MEANDER_SETTINGS            m_DiffPairMeanderSettings;
    PNS::MEANDER_SETTINGS            m_SkewMeanderSettings;
 
    VIATYPE    m_CurrentViaType;            
 
    bool       m_UseConnectedTrackWidth;    // use width of existing track when creating a new,
                                            // connected track
    bool       m_TempOverrideTrackWidth;    // use selected track width temporarily even when
                                            // using connected track width
    int        m_MinClearance;              // overall min
    int        m_MinGrooveWidth;            // Minimum groove width for creepage checks
    int        m_MinConn;                   // overall min connection width
    int        m_TrackMinWidth;             // overall min track width
    int        m_ViasMinAnnularWidth;       // overall minimum width of the via copper ring
    int        m_ViasMinSize;               // overall vias (not micro vias) min diameter
    int        m_MinThroughDrill;           // through hole (not micro vias) min drill diameter
    int        m_MicroViasMinSize;          // micro vias min diameter
    int        m_MicroViasMinDrill;         // micro vias min drill diameter
    int        m_CopperEdgeClearance;
    int        m_HoleClearance;             // Hole to copper clearance
    int        m_HoleToHoleMin;             // Min width of web between two drilled holes
    int        m_SilkClearance;             // Min dist between two silk items
    int        m_MinResolvedSpokes;         // Min spoke count to not be a starved thermal
    int        m_MinSilkTextHeight;         // Min text height for silkscreen layers
    int        m_MinSilkTextThickness;      // Min text thickness for silkscreen layers
 
    std::shared_ptr<DRC_ENGINE>  m_DRCEngine;
    std::map<int, SEVERITY>      m_DRCSeverities;           // Map from DRCErrorCode to SEVERITY
    std::set<DRC_EXCLUSION, DRC_EXCLUSION_COMPARE> m_DrcExclusions;
 
    // When smoothing the zone's outline there's the question of external fillets (that is, those
    // applied to concave corners).  While it seems safer to never have copper extend outside the
    // zone outline, 5.1.x and prior did indeed fill them so we leave the mode available.
    bool       m_ZoneKeepExternalFillets;
 
    // Maximum error allowed when approximating circles and arcs to segments
    int        m_MaxError;
 
    // Global mask margins:
    int        m_SolderMaskExpansion;         // Solder mask inflation around the pad or via
    int        m_SolderMaskMinWidth;          // Solder mask min width (2 areas closer than this
                                              //   width are merged)
    int        m_SolderMaskToCopperClearance; // Min distance allowed from copper to a mask
                                              //   aperture of another net
 
    int        m_SolderPasteMargin;           // Solder paste margin absolute value
    double     m_SolderPasteMarginRatio;      // Solder mask margin ratio value of pad size
                                              // The final margin is the sum of these 2 values
    bool       m_AllowSoldermaskBridgesInFPs;
 
    bool       m_TentViasFront;               // The default tenting option if not overridden on an
    bool       m_TentViasBack;                // individual via
 
    bool       m_CoverViasFront;              // The default covering option if not overridden on an
    bool       m_CoverViasBack;               // individual via
 
    bool       m_PlugViasFront;               // The default plugging option if not overridden on an
    bool       m_PlugViasBack;                // individual via
 
    bool       m_CapVias;                     // The default capping option if not overridden on an
                                              // individual via
 
    bool       m_FillVias;                    // The default filling option if not overridden on ana
                                              // individual via
 
    std::shared_ptr<NET_SETTINGS> m_NetSettings;
 
    // Variables used in footprint editing (default value in item/footprint creation)
    std::vector<TEXT_ITEM_INFO>   m_DefaultFPTextItems;
 
    // Map between user layer default names and custom names
    std::map<std::string, wxString>  m_UserLayerNames;
 
    // Default zone hatching offsets
    std::map<PCB_LAYER_ID, ZONE_LAYER_PROPERTIES> m_ZoneLayerProperties;
 
    // Arrays of default values for the various layer classes.
    int               m_LineThickness[ LAYER_CLASS_COUNT ];
    VECTOR2I          m_TextSize[LAYER_CLASS_COUNT];
    int               m_TextThickness[ LAYER_CLASS_COUNT ];
    bool              m_TextItalic[ LAYER_CLASS_COUNT ];
    bool              m_TextUpright[ LAYER_CLASS_COUNT ];
 
    // Default values for dimension objects
    DIM_UNITS_MODE    m_DimensionUnitsMode;
    DIM_PRECISION     m_DimensionPrecision; 
    DIM_UNITS_FORMAT  m_DimensionUnitsFormat;
    bool              m_DimensionSuppressZeroes;
    DIM_TEXT_POSITION m_DimensionTextPosition;
    bool              m_DimensionKeepTextAligned;
    int               m_DimensionArrowLength;
    int               m_DimensionExtensionOffset;
 
    bool              m_StyleFPFields;
    bool              m_StyleFPText;
    bool              m_StyleFPShapes;
    bool              m_StyleFPDimensions;
    bool              m_StyleFPBarcodes;
 
    // Miscellaneous
    std::unique_ptr<PAD> m_Pad_Master; // A dummy pad to store all default parameters
                                       // when importing values or creating a new pad
 
    // Set to true if the board has a stackup management.
    // If not set a default basic stackup will be used to generate the gbrjob file.
    // Could be removed later, or at least always set to true
    bool       m_HasStackup;

    bool       m_UseHeightForLengthCalcs;
 
private:
    VECTOR2I   m_auxOrigin;  
    VECTOR2I   m_gridOrigin; 
 
    // Indices into the trackWidth, viaSizes and diffPairDimensions lists.
    // The 0 index is always the current netclass value(s)
    int        m_trackWidthIndex;
    int        m_viaSizeIndex;
    int        m_diffPairIndex;
    int        m_viaStackIndex; // current selection into m_ViaStackPresets
 
    // Custom values for track/via sizes (specified via dialog instead of netclass or lists)
    bool       m_useCustomTrackVia;
    int        m_customTrackWidth;
    VIA_DIMENSION m_customViaSize;
 
    // Custom values for differential pairs (specified via dialog instead of netclass/lists)
    bool       m_useCustomDiffPair;
    DIFF_PAIR_DIMENSION m_customDiffPair;
 
    int        m_copperLayerCount; 
    int        m_userDefinedLayerCount; 
    LSET       m_enabledLayers;    
 
    int        m_boardThickness;   

    wxString   m_currentNetClassName;

    BOARD_STACKUP m_stackup;

    DRILL_SYMBOL_PROFILE m_drillSymbolProfile;
 

    ZONE_SETTINGS m_defaultZoneSettings;
};