kicad/pcbnew/autorouter/autorout.cpp

279 lines
7.9 KiB
C++

/**
* @file autorout.cpp
* @brief Autorouting command and control.
*/
/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2012 Jean-Pierre Charras, jean-pierre.charras@ujf-grenoble.fr
* Copyright (C) 2012 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
* Copyright (C) 2011 Wayne Stambaugh <stambaughw@verizon.net>
*
* Copyright (C) 1992-2012 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
*/
#include <fctsys.h>
#include <class_drawpanel.h>
#include <wxPcbStruct.h>
#include <gr_basic.h>
#include <msgpanel.h>
#include <pcbnew.h>
#include <cell.h>
#include <zones.h>
#include <class_board.h>
#include <class_module.h>
#include <class_track.h>
#include <convert_to_biu.h>
#include <autorout.h>
MATRIX_ROUTING_HEAD RoutingMatrix; // routing matrix (grid) to route 2-sided boards
/* init board, route traces*/
void PCB_EDIT_FRAME::Autoroute( wxDC* DC, int mode )
{
int start, stop;
MODULE* Module = NULL;
D_PAD* Pad = NULL;
int autoroute_net_code = -1;
wxString msg;
if( GetBoard()->GetCopperLayerCount() > 1 )
{
g_Route_Layer_TOP = GetScreen()->m_Route_Layer_TOP;
g_Route_Layer_BOTTOM = GetScreen()->m_Route_Layer_BOTTOM;
}
else
{
g_Route_Layer_TOP = g_Route_Layer_BOTTOM = B_Cu;
}
switch( mode )
{
case ROUTE_NET:
if( GetScreen()->GetCurItem() )
{
switch( GetScreen()->GetCurItem()->Type() )
{
case PCB_PAD_T:
Pad = (D_PAD*) GetScreen()->GetCurItem();
autoroute_net_code = Pad->GetNetCode();
break;
default:
break;
}
}
if( autoroute_net_code <= 0 )
{
wxMessageBox( _( "Net not selected" ) ); return;
}
break;
case ROUTE_MODULE:
Module = (MODULE*) GetScreen()->GetCurItem();
if( (Module == NULL) || (Module->Type() != PCB_MODULE_T) )
{
wxMessageBox( _( "Footprint not selected" ) );
return;
}
break;
case ROUTE_PAD:
Pad = (D_PAD*) GetScreen()->GetCurItem();
if( (Pad == NULL) || (Pad->Type() != PCB_PAD_T) )
{
wxMessageBox( _( "Pad not selected" ) );
return;
}
break;
}
if( (GetBoard()->m_Status_Pcb & LISTE_RATSNEST_ITEM_OK ) == 0 )
Compile_Ratsnest( DC, true );
/* Set the flag on the ratsnest to CH_ROUTE_REQ. */
for( unsigned ii = 0; ii < GetBoard()->GetRatsnestsCount(); ii++ )
{
RATSNEST_ITEM* ptmp = &GetBoard()->m_FullRatsnest[ii];
ptmp->m_Status &= ~CH_ROUTE_REQ;
switch( mode )
{
case ROUTE_ALL:
ptmp->m_Status |= CH_ROUTE_REQ;
break;
case ROUTE_NET:
if( autoroute_net_code == ptmp->GetNet() )
ptmp->m_Status |= CH_ROUTE_REQ;
break;
case ROUTE_MODULE:
{
D_PAD* pt_pad = (D_PAD*) Module->Pads();
for( ; pt_pad != NULL; pt_pad = pt_pad->Next() )
{
if( ptmp->m_PadStart == pt_pad )
ptmp->m_Status |= CH_ROUTE_REQ;
if( ptmp->m_PadEnd == pt_pad )
ptmp->m_Status |= CH_ROUTE_REQ;
}
break;
}
case ROUTE_PAD:
if( ( ptmp->m_PadStart == Pad ) || ( ptmp->m_PadEnd == Pad ) )
ptmp->m_Status |= CH_ROUTE_REQ;
break;
}
}
start = time( NULL );
/* Calculation of no fixed routing to 5 mils and more. */
RoutingMatrix.m_GridRouting = (int)GetScreen()->GetGridSize().x;
if( RoutingMatrix.m_GridRouting < (5*IU_PER_MILS) )
RoutingMatrix.m_GridRouting = 5*IU_PER_MILS;
/* Calculated ncol and nrow, matrix size for routing. */
RoutingMatrix.ComputeMatrixSize( GetBoard() );
AUTOROUTER_CONTEXT ctx = { this, GetBoard(), RoutingMatrix.m_BrdBox, DC };
m_messagePanel->EraseMsgBox();
/* Map the board */
RoutingMatrix.m_RoutingLayersCount = 1;
if( g_Route_Layer_TOP != g_Route_Layer_BOTTOM )
RoutingMatrix.m_RoutingLayersCount = 2;
if( RoutingMatrix.InitRoutingMatrix() < 0 )
{
wxMessageBox( _( "No memory for autorouting" ) );
RoutingMatrix.UnInitRoutingMatrix(); /* Free memory. */
return;
}
SetStatusText( _( "Place Cells" ) );
PlaceCells( GetBoard(), -1, FORCE_PADS );
/* Construction of the track list for router. */
RoutingMatrix.m_RouteCount = Build_Work( GetBoard() );
// DisplayRoutingMatrix( m_canvas, DC );
Solve( ctx, RoutingMatrix.m_RoutingLayersCount );
/* Free memory. */
FreeQueue();
InitWork(); /* Free memory for the list of router connections. */
RoutingMatrix.UnInitRoutingMatrix();
stop = time( NULL ) - start;
msg.Printf( wxT( "time = %d second%s" ), stop, ( stop == 1 ) ? wxT( "" ) : wxT( "s" ) );
SetStatusText( msg );
}
/* Clear the flag CH_NOROUTABLE which is set to 1 by Solve(),
* when a track was not routed.
* (If this flag is 1 the corresponding track it is not rerouted)
*/
void PCB_EDIT_FRAME::Reset_Noroutable( wxDC* DC )
{
if( ( GetBoard()->m_Status_Pcb & LISTE_RATSNEST_ITEM_OK )== 0 )
Compile_Ratsnest( DC, true );
for( unsigned ii = 0; ii < GetBoard()->GetRatsnestsCount(); ii++ )
{
GetBoard()->m_FullRatsnest[ii].m_Status &= ~CH_UNROUTABLE;
}
}
/* DEBUG Function: displays the routing matrix */
void DisplayRoutingMatrix( EDA_DRAW_PANEL* panel, wxDC* DC )
{
int dcell0;
COLOR4D color;
int maxi = 600 / RoutingMatrix.m_Ncols;
maxi = ( maxi * 3 ) / 4;
if( !maxi )
maxi = 1;
GRSetDrawMode( DC, GR_COPY );
for( int col = 0; col < RoutingMatrix.m_Ncols; col++ )
{
for( int row = 0; row < RoutingMatrix.m_Nrows; row++ )
{
color = COLOR4D::BLACK;
dcell0 = RoutingMatrix.GetCell( row, col, BOTTOM );
if( dcell0 & HOLE )
color = COLOR4D( GREEN );
#if 0
int dcell1 = 0;
if( RoutingMatrix.m_RoutingLayersCount )
dcell1 = GetCell( row, col, TOP );
if( dcell1 & HOLE )
color = COLOR4D( RED );
dcell0 |= dcell1;
#endif
if( ( color == COLOR4D::BLACK ) && ( dcell0 & VIA_IMPOSSIBLE ) )
color = COLOR4D( BLUE );
if( dcell0 & CELL_is_EDGE )
color = COLOR4D( YELLOW );
else if( dcell0 & CELL_is_ZONE )
color = COLOR4D( YELLOW );
#define DRAW_OFFSET_X -20
#define DRAW_OFFSET_Y 20
// if( color )
{
for( int i = 0; i < maxi; i++ )
for( int j = 0; j < maxi; j++ )
GRPutPixel( panel->GetClipBox(), DC,
( col * maxi ) + i + DRAW_OFFSET_X,
( row * maxi ) + j + DRAW_OFFSET_Y, color );
}
}
}
}