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kicad/pcbnew/specctra_import.cpp

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/*
* This program source code file is part of KICAD, a free EDA CAD application.
*
* Copyright (C) 2007-2010 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
* Copyright (C) 2007 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
*/
/* This source is a complement to specctra.cpp and implements the import of
a specctra session file (*.ses), and import of a specctra design file
(*.dsn) file. The specification for the grammar of the specctra dsn file
used to develop this code is given here:
http://tech.groups.yahoo.com/group/kicad-users/files/ then file "specctra.pdf"
Also see the comments at the top of the specctra.cpp file itself.
*/
#include "specctra.h"
#include "common.h" // IsOK() & EDA_FileSelector()
#include "class_drawpanel.h" // DrawPanel
#include "confirm.h" // DisplayError()
#include "gestfich.h" // EDA_FileSelector()
#include "wxPcbStruct.h"
using namespace DSN;
void WinEDA_PcbFrame::ImportSpecctraDesign( wxCommandEvent& event )
{
/* @todo write this someday
if( !Clear_Pcb( true ) )
return;
*/
}
void WinEDA_PcbFrame::ImportSpecctraSession( wxCommandEvent& event )
{
/*
if( GetScreen()->IsModify() )
{
if( !IsOK( this, _( "Board Modified: Continue ?" ) ) )
return;
}
*/
wxString fullFileName = GetScreen()->m_FileName;
wxString path;
wxString name;
wxString ext;
wxString sessionExt( wxT( ".ses" ) );
wxString mask = wxT( "*" ) + sessionExt;
wxFileName::SplitPath( fullFileName, &path, &name, &ext );
name += sessionExt;
fullFileName = EDA_FileSelector( _( "Merge Specctra Session file:" ),
path,
name,
sessionExt,
mask,
this,
wxFD_OPEN,
FALSE
);
if( fullFileName == wxEmptyString )
return;
SPECCTRA_DB db;
SetLocaleTo_C_standard( ); // Switch the locale to standard C
try
{
db.LoadSESSION( fullFileName );
db.FromSESSION( GetBoard() );
}
catch( IOError ioe )
{
SetLocaleTo_Default( ); // revert to the current locale
ioe.errorText += '\n';
ioe.errorText += _("BOARD may be corrupted, do not save it.");
ioe.errorText += '\n';
ioe.errorText += _("Fix problem and try again.");
DisplayError( this, ioe.errorText );
return;
}
SetLocaleTo_Default( ); // revert to the current locale
m_TrackAndViasSizesList_Changed = true;
OnModify();
GetBoard()->m_Status_Pcb = 0;
/* At this point we should call Compile_Ratsnest()
* but this could be time consumming.
* So if incorrect number of Connecred and No connected pads is accepted
* until Compile_Ratsnest() is called (when track tool selected for instance)
* leave the next line commented
* Otherwise uncomment this line
*/
//Compile_Ratsnest( NULL, true );
Affiche_Message( wxString( _("Session file imported and merged OK.")) );
DrawPanel->Refresh( true );
}
namespace DSN {
/**
* Function scale
* converts a session file distance to Kicad units of deci-mils.
* @param distance The session file length to convert.
* @param aResolution The session UNIT_RES which holds the engineering unit
* specifier
* @return int - The Kicad length in deci-mils
*/
static int scale( double distance, UNIT_RES* aResolution )
{
double resValue = aResolution->GetValue();
double factor; // multiply this times session value to get mils for Kicad.
switch( aResolution->GetEngUnits() )
{
default:
case T_inch:
factor = 1000.0;
break;
case T_mil:
factor = 1.0;
break;
case T_cm:
factor = 1000.0/2.54;
break;
case T_mm:
factor = 1000.0/25.4;
break;
case T_um:
factor = 1.0/25.4;
break;
}
// the factor of 10.0 is used to convert mils to deci-mils, the units
// used within Kicad.
factor *= 10.0;
int ret = wxRound( factor * distance / resValue );
return ret;
}
/**
* Function mapPt
* translates a point from the Specctra Session format coordinate system
* to the Kicad coordinate system.
* @param aPoint The session point to translate
* @return wxPoint - The Kicad coordinate system point.
*/
static wxPoint mapPt( const POINT& aPoint, UNIT_RES* aResolution )
{
wxPoint ret( scale( aPoint.x, aResolution ),
-scale( aPoint.y, aResolution ) ); // negate y
return ret;
}
TRACK* SPECCTRA_DB::makeTRACK( PATH* aPath, int aPointIndex, int aNetcode ) throw( IOError )
{
int layerNdx = findLayerName( aPath->layer_id );
if( layerNdx == -1 )
{
wxString layerName = CONV_FROM_UTF8( aPath->layer_id.c_str() );
ThrowIOError( _("Session file uses invalid layer id \"%s\""),
GetChars(layerName) );
}
TRACK* track = new TRACK( sessionBoard );
track->m_Start = mapPt( aPath->points[aPointIndex+0], routeResolution );
track->m_End = mapPt( aPath->points[aPointIndex+1], routeResolution );
track->SetLayer( pcbLayer2kicad[layerNdx] );
track->m_Width = scale( aPath->aperture_width, routeResolution );
track->SetNet( aNetcode );
return track;
}
SEGVIA* SPECCTRA_DB::makeVIA( PADSTACK* aPadstack, const POINT& aPoint, int aNetCode ) throw( IOError )
{
SEGVIA* via = 0;
SHAPE* shape;
int shapeCount = aPadstack->Length();
int drillDiam = -1;
int copperLayerCount = sessionBoard->GetCopperLayerCount();
// The drill diameter is encoded in the padstack name if PCBNEW did the DSN export.
// It is in mils and is after the colon and before the last '_'
int drillStartNdx = aPadstack->padstack_id.find( ':' );
if( drillStartNdx != -1 )
{
++drillStartNdx; // skip over the ':'
int drillEndNdx = aPadstack->padstack_id.rfind( '_' );
if( drillEndNdx != -1 )
{
std::string diamTxt( aPadstack->padstack_id, drillStartNdx, drillEndNdx-drillStartNdx );
const char* sdiamTxt = diamTxt.c_str();
double drillMils = strtod( sdiamTxt, 0 );
// drillMils is not in the session units, but actual mils so we don't use scale()
drillDiam = (int) (drillMils * 10);
/** @todo: see if we use default netclass or specific value
*/
drillDiam = -1; // import as default: real drill is the netclass value
}
}
if( shapeCount == 0 )
{
ThrowIOError( _( "Session via padstack has no shapes") );
}
else if( shapeCount == 1 )
{
shape = (SHAPE*) (*aPadstack)[0];
DSN_T type = shape->shape->Type();
if( type != T_circle )
ThrowIOError( _( "Unsupported via shape: %s"),
GetChars( GetTokenString( type ) ) );
CIRCLE* circle = (CIRCLE*) shape->shape;
int viaDiam = scale( circle->diameter, routeResolution );
via = new SEGVIA( sessionBoard );
via->SetPosition( mapPt( aPoint, routeResolution ) );
via->SetDrillValue( drillDiam );
via->m_Shape = VIA_THROUGH;
via->m_Width = viaDiam;
via->SetLayerPair( LAYER_N_FRONT, LAYER_N_BACK );
}
else if( shapeCount == copperLayerCount )
{
shape = (SHAPE*) (*aPadstack)[0];
DSN_T type = shape->shape->Type();
if( type != T_circle )
ThrowIOError( _( "Unsupported via shape: %s"),
GetChars( GetTokenString( type ) ) );
CIRCLE* circle = (CIRCLE*) shape->shape;
int viaDiam = scale( circle->diameter, routeResolution );
via = new SEGVIA( sessionBoard );
via->SetPosition( mapPt( aPoint, routeResolution ) );
via->SetDrillValue( drillDiam );
via->m_Shape = VIA_THROUGH;
via->m_Width = viaDiam;
via->SetLayerPair( LAYER_N_FRONT, LAYER_N_BACK );
}
else // VIA_MICROVIA or VIA_BLIND_BURIED
{
int topLayerNdx = -1;
int botLayerNdx = 7000;
int viaDiam = -1;
for( int i=0; i<shapeCount; ++i )
{
shape = (SHAPE*) (*aPadstack)[i];
DSN_T type = shape->shape->Type();
if( type != T_circle )
ThrowIOError( _( "Unsupported via shape: %s"),
GetChars( GetTokenString( type ) ) );
CIRCLE* circle = (CIRCLE*) shape->shape;
int layerNdx = findLayerName( circle->layer_id );
if( layerNdx == -1 )
{
wxString layerName = CONV_FROM_UTF8( circle->layer_id.c_str() );
ThrowIOError( _("Session file uses invalid layer id \"%s\""),
GetChars( layerName ) );
}
if( layerNdx > topLayerNdx )
topLayerNdx = layerNdx;
if( layerNdx < botLayerNdx )
botLayerNdx = layerNdx;
if( viaDiam == -1 )
viaDiam = scale( circle->diameter, routeResolution );
}
via = new SEGVIA( sessionBoard );
via->SetPosition( mapPt( aPoint, routeResolution ) );
via->SetDrillValue( drillDiam );
if( (topLayerNdx==0 && botLayerNdx==1)
|| (topLayerNdx==copperLayerCount-2 && botLayerNdx==copperLayerCount-1))
via->m_Shape = VIA_MICROVIA;
else
via->m_Shape = VIA_BLIND_BURIED;
via->m_Width = viaDiam;
topLayerNdx = pcbLayer2kicad[topLayerNdx];
botLayerNdx = pcbLayer2kicad[botLayerNdx];
via->SetLayerPair( topLayerNdx, botLayerNdx );
}
if( via )
via->SetNet( aNetCode );
return via;
}
// no UI code in this function, throw exception to report problems to the
// UI handler: void WinEDA_PcbFrame::ImportSpecctraSession( wxCommandEvent& event )
void SPECCTRA_DB::FromSESSION( BOARD* aBoard ) throw( IOError )
{
sessionBoard = aBoard; // not owned here
if( !session )
ThrowIOError( _("Session file is missing the \"session\" section") );
if( !session->placement )
ThrowIOError( _("Session file is missing the \"placement\" section") );
if( !session->route )
ThrowIOError( _("Session file is missing the \"routes\" section") );
if( !session->route->library )
ThrowIOError( _("Session file is missing the \"library_out\" section") );
// delete all the old tracks and vias
aBoard->m_Track.DeleteAll();
aBoard->DeleteMARKERs();
buildLayerMaps( aBoard );
#if 1
// Walk the PLACEMENT object's COMPONENTs list, and for each PLACE within
// each COMPONENT, reposition and re-orient each component and put on
// correct side of the board.
COMPONENTS& components = session->placement->components;
for( COMPONENTS::iterator comp=components.begin(); comp!=components.end(); ++comp )
{
PLACES& places = comp->places;
for( unsigned i=0; i<places.size(); ++i )
{
PLACE* place = &places[i]; // '&' even though places[] holds a pointer!
wxString reference = CONV_FROM_UTF8( place->component_id.c_str() );
MODULE* module = aBoard->FindModuleByReference( reference );
if( !module )
{
ThrowIOError(
_("Session file has 'reference' to non-existent component \"%s\""),
GetChars( reference ) );
}
if( !place->hasVertex )
continue;
UNIT_RES* resolution = place->GetUnits();
wxASSERT( resolution );
wxPoint newPos = mapPt( place->vertex, resolution );
module->SetPosition( newPos );
if( place->side == T_front )
{
// convert from degrees to tenths of degrees used in Kicad.
int orientation = (int) (place->rotation * 10.0);
if( module->GetLayer() != LAYER_N_FRONT )
{
// module is on copper layer (back)
module->Flip( module->m_Pos );
}
module->SetOrientation( orientation );
}
else if( place->side == T_back )
{
int orientation = (int) ((place->rotation + 180.0) * 10.0);
if( module->GetLayer() != LAYER_N_BACK )
{
// module is on component layer (front)
module->Flip( module->m_Pos );
}
module->SetOrientation( orientation );
}
else
{
// as I write this, the PARSER *is* catching this, so we should never see below:
wxFAIL_MSG( wxT("DSN::PARSER did not catch an illegal side := 'back|front'") );
}
}
}
#endif
routeResolution = session->route->GetUnits();
// Walk the NET_OUTs and create tracks and vias anew.
NET_OUTS& net_outs = session->route->net_outs;
for( NET_OUTS::iterator net=net_outs.begin(); net!=net_outs.end(); ++net )
{
int netCode = 0;
// page 143 of spec says wire's net_id is optional
if( net->net_id.size() )
{
wxString netName = CONV_FROM_UTF8( net->net_id.c_str() );
NETINFO_ITEM* net = aBoard->FindNet( netName );
if( net )
netCode = net->GetNet();
else // else netCode remains 0
{
// int breakhere = 1;
}
}
WIRES& wires = net->wires;
for( unsigned i=0; i<wires.size(); ++i )
{
WIRE* wire = &wires[i];
DSN_T shape = wire->shape->Type();
if( shape != T_path )
{
/* shape == T_polygon is expected from freerouter if you have
a zone on a non "power" type layer, i.e. a T_signal layer
and the design does a round trip back in as session here.
We kept our own zones in the BOARD, so ignore this so called
'wire'.
wxString netId = CONV_FROM_UTF8( wire->net_id.c_str() );
ThrowIOError(
_("Unsupported wire shape: \"%s\" for net: \"%s\""),
DLEX::GetTokenString(shape).GetData(),
netId.GetData()
);
*/
}
else
{
PATH* path = (PATH*) wire->shape;
for( unsigned pt=0; pt<path->points.size()-1; ++pt )
{
/* a debugging aid, may come in handy
if( path->points[pt].x == 547800
&& path->points[pt].y == -380250 )
{
int breakhere = 1;
}
*/
TRACK* track = makeTRACK( path, pt, netCode );
aBoard->Add( track );
}
}
}
WIRE_VIAS& wire_vias = net->wire_vias;
LIBRARY& library = *session->route->library;
for( unsigned i=0; i<wire_vias.size(); ++i )
{
int netCode = 0;
// page 144 of spec says wire_via's net_id is optional
if( net->net_id.size() )
{
wxString netName = CONV_FROM_UTF8( net->net_id.c_str() );
NETINFO_ITEM* net = aBoard->FindNet( netName );
if( net )
netCode = net->GetNet();
// else netCode remains 0
}
WIRE_VIA* wire_via = &wire_vias[i];
// example: (via Via_15:8_mil 149000 -71000 )
PADSTACK* padstack = library.FindPADSTACK( wire_via->GetPadstackId() );
if( !padstack )
{
// Dick Feb 29, 2008:
// Freerouter has a bug where it will not round trip all vias.
// Vias which have a (use_via) element will be round tripped.
// Vias which do not, don't come back in in the session library,
// even though they may be actually used in the pre-routed,
// protected wire_vias. So until that is fixed, create the
// padstack from its name as a work around.
// Could use a STRING_FORMATTER here and convert the entire
// wire_via to text and put that text into the exception.
wxString psid( CONV_FROM_UTF8( wire_via->GetPadstackId().c_str() ) );
ThrowIOError( _("A wire_via references a missing padstack \"%s\""),
GetChars( psid ) );
}
for( unsigned v=0; v<wire_via->vertexes.size(); ++v )
{
SEGVIA* via = makeVIA( padstack, wire_via->vertexes[v], netCode );
aBoard->Add( via );
}
}
}
}
} // namespace DSN
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