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kicad/pcbnew/drc/drc.h

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2007-2016 Dick Hollenbeck, dick@softplc.com
* Copyright (C) 2017-2019 KiCad Developers, see change_log.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
*/
#ifndef DRC_H
#define DRC_H
#include <class_board.h>
#include <class_track.h>
#include <class_marker_pcb.h>
#include <geometry/seg.h>
#include <geometry/shape_poly_set.h>
#include <memory>
#include <vector>
#include <tools/pcb_tool_base.h>
#define OK_DRC 0
#define BAD_DRC 1
/// DRC error codes:
enum PCB_DRC_CODE {
DRCE_FIRST = 1,
DRCE_UNCONNECTED_ITEMS = DRCE_FIRST, ///< items are unconnected
DRCE_TRACK_NEAR_THROUGH_HOLE, ///< thru hole is too close to track
DRCE_TRACK_NEAR_PAD, ///< pad too close to track
DRCE_TRACK_NEAR_VIA, ///< track too close to via
DRCE_VIA_NEAR_VIA, ///< via too close to via
DRCE_VIA_NEAR_TRACK, ///< via too close to track
DRCE_TRACK_ENDS, ///< track ends are too close
DRCE_TRACK_SEGMENTS_TOO_CLOSE, ///< 2 parallel track segments too close: segm ends between segref ends
DRCE_TRACKS_CROSSING, ///< tracks are crossing
DRCE_PAD_NEAR_PAD1, ///< pad too close to pad
DRCE_VIA_HOLE_BIGGER, ///< via's hole is bigger than its diameter
DRCE_MICRO_VIA_INCORRECT_LAYER_PAIR, ///< micro via's layer pair incorrect (layers must be adjacent)
DRCE_ZONES_INTERSECT, ///< copper area outlines intersect
DRCE_ZONES_TOO_CLOSE, ///< copper area outlines are too close
DRCE_SUSPICIOUS_NET_FOR_ZONE_OUTLINE, ///< copper area has a net but no pads in nets, which is suspicious
DRCE_HOLE_NEAR_PAD, ///< hole too close to pad
DRCE_HOLE_NEAR_TRACK, ///< hole too close to track
DRCE_TOO_SMALL_TRACK_WIDTH, ///< Too small track width
DRCE_TOO_SMALL_VIA, ///< Too small via size
DRCE_TOO_SMALL_MICROVIA, ///< Too small micro via size
DRCE_TOO_SMALL_VIA_DRILL, ///< Too small via drill
DRCE_TOO_SMALL_MICROVIA_DRILL, ///< Too small micro via drill
DRCE_NETCLASS_TRACKWIDTH, ///< netclass has TrackWidth < board.m_designSettings->m_TrackMinWidth
DRCE_NETCLASS_CLEARANCE, ///< netclass has Clearance < board.m_designSettings->m_TrackClearance
DRCE_NETCLASS_VIASIZE, ///< netclass has ViaSize < board.m_designSettings->m_ViasMinSize
DRCE_NETCLASS_VIADRILLSIZE, ///< netclass has ViaDrillSize < board.m_designSettings->m_ViasMinDrill
DRCE_NETCLASS_uVIASIZE, ///< netclass has ViaSize < board.m_designSettings->m_MicroViasMinSize
DRCE_NETCLASS_uVIADRILLSIZE, ///< netclass has ViaSize < board.m_designSettings->m_MicroViasMinDrill
DRCE_VIA_INSIDE_KEEPOUT, ///< Via in inside a keepout area
DRCE_TRACK_INSIDE_KEEPOUT, ///< Track in inside a keepout area
DRCE_PAD_INSIDE_KEEPOUT, ///< Pad in inside a keepout area
DRCE_TRACK_NEAR_COPPER, ///< track & copper graphic collide or are too close
DRCE_VIA_NEAR_COPPER, ///< via and copper graphic collide or are too close
DRCE_PAD_NEAR_COPPER, ///< pad and copper graphic collide or are too close
DRCE_TRACK_NEAR_ZONE, ///< track & zone collide or are too close together
DRCE_OVERLAPPING_FOOTPRINTS, ///< footprint courtyards overlap
DRCE_MISSING_COURTYARD_IN_FOOTPRINT, ///< footprint has no courtyard defined
DRCE_MALFORMED_COURTYARD_IN_FOOTPRINT, ///< footprint has a courtyard but malformed
///< (not convertible to a closed polygon with holes)
DRCE_MICRO_VIA_NOT_ALLOWED, ///< micro vias are not allowed
DRCE_BURIED_VIA_NOT_ALLOWED, ///< buried vias are not allowed
DRCE_DISABLED_LAYER_ITEM, ///< item on a disabled layer
DRCE_DRILLED_HOLES_TOO_CLOSE, ///< overlapping drilled holes break drill bits
DRCE_TRACK_NEAR_EDGE, ///< track too close to board edge
DRCE_INVALID_OUTLINE, ///< invalid board outline
DRCE_MISSING_FOOTPRINT, ///< footprint not found for netlist item
DRCE_DUPLICATE_FOOTPRINT, ///< more than one footprints found for netlist item
DRCE_EXTRA_FOOTPRINT, ///< netlist item not found for footprint
DRCE_SHORT,
DRCE_REDUNDANT_VIA,
DRCE_DUPLICATE_TRACK,
DRCE_MERGE_TRACKS,
DRCE_DANGLING_TRACK,
DRCE_DANGLING_VIA,
DRCE_ZERO_LENGTH_TRACK,
DRCE_TRACK_IN_PAD,
DRCE_UNRESOLVED_VARIABLE,
DRCE_LAST = DRCE_UNRESOLVED_VARIABLE
};
class PCB_EDIT_FRAME;
class DIALOG_DRC;
class BOARD_ITEM;
class BOARD;
class D_PAD;
class ZONE_CONTAINER;
class TRACK;
class MARKER_PCB;
class DRC_ITEM;
class NETCLASS;
class EDA_TEXT;
class DRAWSEGMENT;
class NETLIST;
class wxWindow;
class wxString;
class wxTextCtrl;
/**
* Design Rule Checker object that performs all the DRC tests. The output of
* the checking goes to the BOARD file in the form of two MARKER lists. Those
* two lists are displayable in the drc dialog box. And they can optionally
* be sent to a text file on disk.
* This class is given access to the windows and the BOARD
* that it needs via its constructor or public access functions.
*/
class DRC : public PCB_TOOL_BASE
{
friend class DIALOG_DRC;
public:
DRC();
~DRC();
/// @copydoc TOOL_INTERACTIVE::Reset()
void Reset( RESET_REASON aReason ) override;
private:
// protected or private functions() are lowercase first character.
bool m_doPad2PadTest; // enable pad to pad clearance tests
bool m_doUnconnectedTest; // enable unconnected tests
bool m_doZonesTest; // enable zone to items clearance tests
bool m_doKeepoutTest; // enable keepout areas to items clearance tests
bool m_refillZones; // refill zones if requested (by user).
bool m_reportAllTrackErrors; // Report all tracks errors (or only 4 first errors)
bool m_testFootprints; // Test footprints against schematic
/* In DRC functions, many calculations are using coordinates relative
* to the position of the segment under test (segm to segm DRC, segm to pad DRC
* Next variables store coordinates relative to the start point of this segment
*/
wxPoint m_padToTestPos; // Position of the pad for segm-to-pad and pad-to-pad
wxPoint m_segmEnd; // End point of the reference segment (start = (0, 0) )
/* Some functions are comparing the ref segm to pads or others segments using
* coordinates relative to the ref segment considered as the X axis
* so we store the ref segment length (the end point relative to these axis)
* and the segment orientation (used to rotate other coordinates)
*/
double m_segmAngle; // Ref segm orientation in 0.1 degree
int m_segmLength; // length of the reference segment
/* variables used in checkLine to test DRC segm to segm:
* define the area relative to the ref segment that does not contains any other segment
*/
int m_xcliplo;
int m_ycliplo;
int m_xcliphi;
int m_ycliphi;
PCB_EDIT_FRAME* m_pcbEditorFrame; // The pcb frame editor which owns the board
BOARD* m_pcb;
SHAPE_POLY_SET m_board_outlines; // The board outline including cutouts
DIALOG_DRC* m_drcDialog;
std::vector<DRC_ITEM*> m_unconnected; // list of unconnected pads
std::vector<DRC_ITEM*> m_footprints; // list of footprint warnings
bool m_drcRun;
bool m_footprintsTested;
///> Sets up handlers for various events.
void setTransitions() override;
/**
* Update needed pointers from the one pointer which is known not to change.
*/
void updatePointers();
EDA_UNITS userUnits() const { return m_pcbEditorFrame->GetUserUnits(); }
/**
* Adds a DRC marker to the PCB through the COMMIT mechanism.
*/
void addMarkerToPcb( MARKER_PCB* aMarker );
/**
* Fetches a reasonable point for marking a violoation between two non-point objects.
*/
wxPoint getLocation( TRACK* aTrack, ZONE_CONTAINER* aConflictZone ) const;
wxPoint getLocation( TRACK* aTrack, BOARD_ITEM* aConflitItem, const SEG& aConflictSeg ) const;
//-----<categorical group tests>-----------------------------------------
/**
* Go through each NETCLASS and verifies that its clearance, via size, track width, and
* track clearance are larger than those in board.m_designSettings.
* This is necessary because the actual DRC checks are run against the NETCLASS
* limits, so in order enforce global limits, we first check the NETCLASSes against
* the global limits.
* @return bool - true if succes, else false but only after
* reporting _all_ NETCLASS violations.
*/
bool testNetClasses();
/**
* Perform the DRC on all tracks.
*
* This test can take a while, a progress bar can be displayed
* @param aActiveWindow = the active window ued as parent for the progress bar
* @param aShowProgressBar = true to show a progress bar
* (Note: it is shown only if there are many tracks)
*/
void testTracks( wxWindow * aActiveWindow, bool aShowProgressBar );
void testPad2Pad();
void testDrilledHoles();
void testUnconnected();
void testZones();
void testKeepoutAreas();
// aTextItem is type BOARD_ITEM* to accept either TEXTE_PCB or TEXTE_MODULE
void testCopperTextItem( BOARD_ITEM* aTextItem );
void testCopperDrawItem( DRAWSEGMENT* aDrawing );
void testCopperTextAndGraphics();
// Tests for items placed on disabled layers (causing false connections).
void testDisabledLayers();
// Test for any unresolved text variable references
void testTextVars();
/**
* Test that the board outline is contiguous and composed of valid elements
*/
void testOutline();
//-----<single "item" tests>-----------------------------------------
bool doNetClass( const std::shared_ptr<NETCLASS>& aNetClass, wxString& msg );
/**
* Test the clearance between aRefPad and other pads.
*
* The pad list must be sorted by x coordinate.
*
* @param aRefPad is the pad to test
* @param aStart is the first pad of the list to test against aRefPad
* @param aEnd is the end of the list and is not included
* @param x_limit is used to stop the test
* (i.e. when the current pad pos X in list exceeds this limit, because the list
* is sorted by X coordinate)
*/
bool doPadToPadsDrc( D_PAD* aRefPad, D_PAD** aStart, D_PAD** aEnd, int x_limit );
/**
* Test the current segment.
*
* @param aRefSeg The segment to test
* @param aStartIt the iterator to the first track to test
* @param aEndIt the marker for the iterator end
* @param aTestZones true if should do copper zones test. This can be very time consumming
* @return bool - true if no problems, else false and m_currentMarker is
* filled in with the problem information.
*/
void doTrackDrc( TRACK* aRefSeg, TRACKS::iterator aStartIt, TRACKS::iterator aEndIt,
bool aTestZones );
/**
* Test for footprint courtyard overlaps.
*/
void doOverlappingCourtyardsDrc();
//-----<single tests>----------------------------------------------
/**
* @param aRefPad The reference pad to check
* @param aPad Another pad to check against
* @return bool - true if clearance between aRefPad and aPad is >= dist_min, else false
*/
bool checkClearancePadToPad( D_PAD* aRefPad, D_PAD* aPad );
/**
* Check the distance from a pad to segment. This function uses several
* instance variable not passed in:
* m_segmLength = length of the segment being tested
* m_segmAngle = angle of the segment with the X axis;
* m_segmEnd = end coordinate of the segment
* m_padToTestPos = position of pad relative to the origin of segment
* @param aPad Is the pad involved in the check
* @param aSegmentWidth width of the segment to test
* @param aMinDist Is the minimum clearance needed
*
* @return true distance >= dist_min,
* false if distance < dist_min
*/
bool checkClearanceSegmToPad( const D_PAD* aPad, int aSegmentWidth, int aMinDist );
/**
* Check the distance from a point to a segment.
*
* The segment is expected starting at 0,0, and on the X axis
* (used to test DRC between a segment and a round pad, via or round end of a track
* @param aCentre The coordinate of the circle's center
* @param aRadius A "keep out" radius centered over the circle
* @param aLength The length of the segment (i.e. coordinate of end, because it is on
* the X axis)
* @return bool - true if distance >= radius, else
* false when distance < aRadius
*/
static bool checkMarginToCircle( wxPoint aCentre, int aRadius, int aLength );
/**
* Function checkLine
* (helper function used in drc calculations to see if one track is in contact with
* another track).
* Test if a line intersects a bounding box (a rectangle)
* The rectangle is defined by m_xcliplo, m_ycliplo and m_xcliphi, m_ycliphi
* return true if the line from aSegStart to aSegEnd is outside the bounding box
*/
bool checkLine( wxPoint aSegStart, wxPoint aSegEnd );
//-----</single tests>---------------------------------------------
public:
/**
* Tests whether distance between zones complies with the DRC rules.
*
* @return Errors count
*/
int TestZoneToZoneOutlines();
/**
* Test the board footprints against a netlist. Will report DRCE_MISSING_FOOTPRINT,
* DRCE_DUPLICATE_FOOTPRINT and DRCE_EXTRA_FOOTPRINT errors in aDRCList.
*/
static void TestFootprints( NETLIST& aNetlist, BOARD* aPCB, EDA_UNITS aUnits,
std::vector<DRC_ITEM*>& aDRCList );
/**
* Open a dialog and prompts the user, then if a test run button is
* clicked, runs the test(s) and creates the MARKERS. The dialog is only
* created if it is not already in existence.
*
* @param aParent is the parent window for wxWidgets. Usually the PCB editor frame
* but can be another dialog
* if aParent == NULL (default), the parent will be the PCB editor frame
* and the dialog will be not modal (just float on parent
* if aParent is specified, the dialog will be modal.
* The modal mode is mandatory if the dialog is created from another dialog, not
* from the PCB editor frame
*/
void ShowDRCDialog( wxWindow* aParent );
int ShowDRCDialog( const TOOL_EVENT& aEvent );
/**
* Check to see if the DRC dialog is currently shown
*
* @return true if the dialog is shown
*/
bool IsDRCDialogShown();
/**
* Deletes this ui dialog box and zeros out its pointer to remember
* the state of the dialog's existence.
*
* @param aReason Indication of which button was clicked to cause the destruction.
* if aReason == wxID_OK, design parameters values which can be entered from the dialog
* will bbe saved in design parameters list
*/
void DestroyDRCDialog( int aReason );
/**
* Run all the tests specified with a previous call to
* SetSettings()
* @param aMessages = a wxTextControl where to display some activity messages. Can be NULL
*/
void RunTests( wxTextCtrl* aMessages = NULL );
};
#endif // DRC_H
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