kicad/pcbnew/autorout.h

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2004 Jean-Pierre Charras, jaen-pierre.charras@gipsa-lab.inpg.com
* Copyright (C) 2011 Wayne Stambaugh <stambaughw@verizon.net>
* Copyright (C) 2004-2011 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
*/
/**
* @file autorout.h
*/
#ifndef AUTOROUT_H
#define AUTOROUT_H
#include <base_struct.h>
class BOARD;
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#define TOP 0
#define BOTTOM 1
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#define EMPTY 0
#define ILLEGAL -1
/* Autorouter commands. */
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enum CommandOpt {
PLACE_ALL,
PLACE_OUT_OF_BOARD,
PLACE_INCREMENTAL,
PLACE_1_MODULE,
ROUTE_ALL,
ROUTE_NET,
ROUTE_MODULE,
ROUTE_PAD
};
extern int E_scale; /* Scaling factor of distance tables. */
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#define ONE_SIDE 0
#define TWO_SIDES 1
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#define MAX_SIDES_COUNT 2
extern int Nb_Sides; /* Number of layers for autorouting (0 or 1) */
#define FORCE_PADS 1 /* Force placement of pads for any Netcode */
/* board dimensions */
extern int Nrows;
extern int Ncols;
extern int Ntotal;
/* search statistics */
extern int OpenNodes; /* total number of nodes opened */
extern int ClosNodes; /* total number of nodes closed */
extern int MoveNodes; /* total number of nodes moved */
extern int MaxNodes; /* maximum number of nodes opened at one time */
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/* Structures useful to the generation of board as bitmap. */
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typedef char MATRIX_CELL;
typedef int DIST_CELL;
typedef char DIR_CELL;
/**
* class MATRIX_ROUTING_HEAD
*/
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class MATRIX_ROUTING_HEAD /* header of blocks of MATRIX_CELL */
{
public:
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MATRIX_CELL* m_BoardSide[MAX_SIDES_COUNT]; /* ptr to block of memory: 2-sided board */
DIST_CELL* m_DistSide[MAX_SIDES_COUNT]; /* ptr to block of memory: path distance to
* cells */
DIR_CELL* m_DirSide[MAX_SIDES_COUNT]; /* header of blocks of chars:pointers back to
* source */
bool m_InitBoardDone;
int m_Layers;
int m_GridRouting; // Size of grid for autoplace/autoroute
EDA_RECT m_BrdBox; // Actual board bounding box
int m_Nrows, m_Ncols;
int m_MemSize;
public:
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MATRIX_ROUTING_HEAD();
~MATRIX_ROUTING_HEAD();
/**
* Function ComputeMatrixSize
* calculates the number of rows and columns of dimensions of \a aPcb for routing and
* automatic calculation of area.
*/
bool ComputeMatrixSize( BOARD* aPcb );
/**
* Function InitBoard
* initializes the data structures.
*
* @return the amount of memory used or -1 if default.
*/
int InitBoard();
void UnInitBoard();
};
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extern MATRIX_ROUTING_HEAD Board; /* 2-sided board */
/* Constants used to trace the cells on the BOARD */
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#define WRITE_CELL 0
#define WRITE_OR_CELL 1
#define WRITE_XOR_CELL 2
#define WRITE_AND_CELL 3
#define WRITE_ADD_CELL 4
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#endif // AUTOROUT_H