kicad/pcbnew/autorout.cpp

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/**
* @file autorout.cpp
* @brief Autorouting command and control.
*/
#include <fctsys.h>
#include <class_drawpanel.h>
#include <wxPcbStruct.h>
#include <gr_basic.h>
#include <pcbnew.h>
#include <cell.h>
#include <zones.h>
#include <ar_protos.h>
#include <class_board.h>
#include <class_module.h>
#include <class_track.h>
int E_scale; /* Scaling factor of distance tables. */
int Nb_Sides; /* Number of layer for autorouting (0 or 1) */
int Nrows = ILLEGAL;
int Ncols = ILLEGAL;
int Ntotal;
int OpenNodes; /* total number of nodes opened */
int ClosNodes; /* total number of nodes closed */
int MoveNodes; /* total number of nodes moved */
int MaxNodes; /* maximum number of nodes opened at one time */
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MATRIX_ROUTING_HEAD Board; /* 2-sided board */
/* init board, route traces*/
void PCB_EDIT_FRAME::Autoroute( wxDC* DC, int mode )
{
int start, stop;
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MODULE* Module = NULL;
D_PAD* Pad = NULL;
int autoroute_net_code = -1;
wxString msg;
if( GetBoard()->GetCopperLayerCount() > 1 )
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{
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Route_Layer_TOP = GetScreen()->m_Route_Layer_TOP;
Route_Layer_BOTTOM = GetScreen()->m_Route_Layer_BOTTOM;
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}
else
{
Route_Layer_TOP = Route_Layer_BOTTOM = LAYER_N_BACK;
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}
switch( mode )
{
case ROUTE_NET:
if( GetScreen()->GetCurItem() )
{
switch( GetScreen()->GetCurItem()->Type() )
{
case PCB_PAD_T:
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Pad = (D_PAD*) GetScreen()->GetCurItem();
autoroute_net_code = Pad->GetNet();
break;
default:
break;
}
}
if( autoroute_net_code <= 0 )
{
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wxMessageBox( _( "Net not selected" ) ); return;
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}
break;
case ROUTE_MODULE:
Module = (MODULE*) GetScreen()->GetCurItem();
if( (Module == NULL) || (Module->Type() != PCB_MODULE_T) )
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{
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wxMessageBox( _( "Module not selected" ) );
return;
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}
break;
case ROUTE_PAD:
Pad = (D_PAD*) GetScreen()->GetCurItem();
if( (Pad == NULL) || (Pad->Type() != PCB_PAD_T) )
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{
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wxMessageBox( _( "Pad not selected" ) );
return;
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}
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break;
}
if( (GetBoard()->m_Status_Pcb & LISTE_RATSNEST_ITEM_OK ) == 0 )
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Compile_Ratsnest( DC, true );
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/* Set the flag on the ratsnest to CH_ROUTE_REQ. */
for( unsigned ii = 0; ii < GetBoard()->GetRatsnestsCount(); ii++ )
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{
RATSNEST_ITEM* ptmp = &GetBoard()->m_FullRatsnest[ii];
ptmp->m_Status &= ~CH_ROUTE_REQ;
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switch( mode )
{
case ROUTE_ALL:
ptmp->m_Status |= CH_ROUTE_REQ;
break;
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case ROUTE_NET:
if( autoroute_net_code == ptmp->GetNet() )
ptmp->m_Status |= CH_ROUTE_REQ;
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break;
case ROUTE_MODULE:
{
D_PAD* pt_pad = (D_PAD*) Module->m_Pads;
for( ; pt_pad != NULL; pt_pad = pt_pad->Next() )
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{
if( ptmp->m_PadStart == pt_pad )
ptmp->m_Status |= CH_ROUTE_REQ;
if( ptmp->m_PadEnd == pt_pad )
ptmp->m_Status |= CH_ROUTE_REQ;
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}
break;
}
case ROUTE_PAD:
if( ( ptmp->m_PadStart == Pad ) || ( ptmp->m_PadEnd == Pad ) )
ptmp->m_Status |= CH_ROUTE_REQ;
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break;
}
}
start = time( NULL );
/* Calculation of no fixed routing to 5 mils and more. */
Board.m_GridRouting = (int)GetScreen()->GetGridSize().x;
if( Board.m_GridRouting < 50 )
Board.m_GridRouting = 50;
E_scale = Board.m_GridRouting / 50;
if( E_scale < 1 )
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E_scale = 1;
/* Calculated ncol and nrow, matrix size for routing. */
Board.ComputeMatrixSize( GetBoard() );
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m_messagePanel->EraseMsgBox();
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/* Map the board */
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Nb_Sides = ONE_SIDE;
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if( Route_Layer_TOP != Route_Layer_BOTTOM )
Nb_Sides = TWO_SIDES;
if( Board.InitBoard() < 0 )
{
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wxMessageBox( _( "No memory for autorouting" ) );
Board.UnInitBoard(); /* Free memory. */
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return;
}
SetStatusText( _( "Place Cells" ) );
PlaceCells( GetBoard(), -1, FORCE_PADS );
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/* Construction of the track list for router. */
Build_Work( GetBoard() );
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// DisplayBoard(m_canvas, DC);
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if( Nb_Sides == TWO_SIDES )
Solve( DC, TWO_SIDES ); /* double face */
else
Solve( DC, ONE_SIDE ); /* simple face */
/* Free memory. */
FreeQueue();
InitWork(); /* Free memory for the list of router connections. */
Board.UnInitBoard();
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stop = time( NULL ) - start;
msg.Printf( wxT( "time = %d second%s" ), stop, ( stop == 1 ) ? wxT( "" ) : wxT( "s" ) );
SetStatusText( msg );
}
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/* 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)
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*/
void PCB_EDIT_FRAME::Reset_Noroutable( wxDC* DC )
{
if( ( GetBoard()->m_Status_Pcb & LISTE_RATSNEST_ITEM_OK )== 0 )
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Compile_Ratsnest( DC, true );
for( unsigned ii = 0; ii < GetBoard()->GetRatsnestsCount(); ii++ )
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{
GetBoard()->m_FullRatsnest[ii].m_Status &= ~CH_UNROUTABLE;
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}
}
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/* DEBUG Function: displays the routing matrix */
void DisplayBoard( EDA_DRAW_PANEL* panel, wxDC* DC )
{
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int row, col, i, j;
int dcell0, dcell1 = 0, color;
int maxi;
maxi = 600 / Ncols;
maxi = ( maxi * 3 ) / 4;
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if( !maxi )
maxi = 1;
GRSetDrawMode( DC, GR_COPY );
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for( col = 0; col < Ncols; col++ )
{
for( row = 0; row < Nrows; row++ )
{
color = 0;
dcell0 = GetCell( row, col, BOTTOM );
if( dcell0 & HOLE )
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color = GREEN;
// if( Nb_Sides )
// dcell1 = GetCell( row, col, TOP );
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if( dcell1 & HOLE )
color |= RED;
// dcell0 |= dcell1;
if( !color && ( dcell0 & VIA_IMPOSSIBLE ) )
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color = BLUE;
if( dcell0 & CELL_is_EDGE )
color = YELLOW;
else if( dcell0 & CELL_is_ZONE )
color = YELLOW;
#define DRAW_OFFSET_X -20
#define DRAW_OFFSET_Y 20
// if( color )
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{
for( i = 0; i < maxi; i++ )
for( j = 0; j < maxi; j++ )
GRPutPixel( panel->GetClipBox(), DC,
( col * maxi ) + i + DRAW_OFFSET_X,
( row * maxi ) + j + DRAW_OFFSET_Y, color );
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}
}
}
}