kicad/pcbnew/specctra_import.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
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*
* Copyright (C) 2007-2013 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
* Copyright (C) 2007 KiCad Developers, see change_log.txt for contributors.
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*
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* 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.
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*
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* 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.
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*
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* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
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* 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.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
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/* This source is a complement to specctra.cpp and implements the import of
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a specctra session file (*.ses), and import of a specctra design file
(*.dsn) file. The specification for the grammar of the specctra dsn file
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used to develop this code is given here:
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http://tech.groups.yahoo.com/group/kicad-users/files/ then file "specctra.pdf"
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Also see the comments at the top of the specctra.cpp file itself.
*/
#include <class_drawpanel.h> // m_canvas
#include <confirm.h> // DisplayError()
#include <gestfich.h> // EDA_FileSelector()
#include <wxPcbStruct.h>
#include <macros.h>
#include <class_board.h>
#include <class_module.h>
#include <class_edge_mod.h>
#include <class_track.h>
#include <class_zone.h>
#include <class_drawsegment.h>
#include <ratsnest_data.h>
#include <view/view.h>
#include <specctra.h>
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using namespace DSN;
void PCB_EDIT_FRAME::ImportSpecctraDesign( wxCommandEvent& event )
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{
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/* @todo write this someday
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if( !Clear_Pcb( true ) )
return;
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*/
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}
void PCB_EDIT_FRAME::ImportSpecctraSession( wxCommandEvent& event )
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{
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wxString fullFileName = GetBoard()->GetFileName();
wxString path;
wxString name;
wxString ext;
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wxString sessionExt( wxT( ".ses" ) );
wxString mask = wxT( "*" ) + sessionExt;
wxFileName::SplitPath( fullFileName, &path, &name, &ext );
name += sessionExt;
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fullFileName = EDA_FILE_SELECTOR( _( "Merge Specctra Session file:" ),
path,
name,
sessionExt,
mask,
this,
wxFD_OPEN,
false );
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if( fullFileName == wxEmptyString )
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return;
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SetCurItem( NULL );
// To avoid issues with undo/redo lists (dangling pointers)
// clear the lists
// todo: use undo/redo feature
GetScreen()->ClearUndoRedoList();
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SPECCTRA_DB db;
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LOCALE_IO toggle;
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try
{
db.LoadSESSION( fullFileName );
db.FromSESSION( GetBoard() );
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}
catch( const IO_ERROR& ioe )
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{
wxString msg = ioe.What();
msg += '\n';
msg += _("BOARD may be corrupted, do not save it.");
msg += '\n';
msg += _("Fix problem and try again.");
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DisplayError( this, msg );
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return;
}
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OnModify();
GetBoard()->m_Status_Pcb = 0;
Compile_Ratsnest( NULL, true );
GetBoard()->GetRatsnest()->ProcessBoard();
if( GetGalCanvas() ) // Update view:
{
auto view = GetGalCanvas()->GetView();
// Update footprint positions
view->RecacheAllItems();
// add imported tracks (previous tracks are removed, therfore all are new)
for( TRACK* track = GetBoard()->m_Track; track; track = track->Next() )
view->Add( track );
}
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SetStatusText( wxString( _( "Session file imported and merged OK." ) ) );
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Refresh();
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}
namespace DSN {
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/**
* 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 )
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{
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double resValue = aResolution->GetValue();
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double factor;
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switch( aResolution->GetEngUnits() )
{
default:
case T_inch:
factor = 25.4e6; // nanometers per inch
break;
case T_mil:
factor = 25.4e3; // nanometers per mil
break;
case T_cm:
factor = 1e7; // nanometers per cm
break;
case T_mm:
factor = 1e6; // nanometers per mm
break;
case T_um:
factor = 1e3; // nanometers per um
break;
}
// Dick Hollenbeck's KiROUND R&D // This provides better project control over rounding to int from double // than wxRound() did. This scheme provides better logging in Debug builds // and it provides for compile time calculation of constants. #include <stdio.h> #include <assert.h> #include <limits.h> //-----<KiROUND KIT>------------------------------------------------------------ /** * KiROUND * rounds a floating point number to an int using * "round halfway cases away from zero". * In Debug build an assert fires if will not fit into an int. */ #if defined( DEBUG ) // DEBUG: a macro to capture line and file, then calls this inline static inline int KiRound( double v, int line, const char* filename ) { v = v < 0 ? v - 0.5 : v + 0.5; if( v > INT_MAX + 0.5 ) { printf( "%s: in file %s on line %d, val: %.16g too ' > 0 ' for int\n", __FUNCTION__, filename, line, v ); } else if( v < INT_MIN - 0.5 ) { printf( "%s: in file %s on line %d, val: %.16g too ' < 0 ' for int\n", __FUNCTION__, filename, line, v ); } return int( v ); } #define KiROUND( v ) KiRound( v, __LINE__, __FILE__ ) #else // RELEASE: a macro so compile can pre-compute constants. #define KiROUND( v ) int( (v) < 0 ? (v) - 0.5 : (v) + 0.5 ) #endif //-----</KiROUND KIT>----------------------------------------------------------- // Only a macro is compile time calculated, an inline function causes a static constructor // in a situation like this. // Therefore the Release build is best done with a MACRO not an inline function. int Computed = KiROUND( 14.3 * 8 ); int main( int argc, char** argv ) { for( double d = double(INT_MAX)-1; d < double(INT_MAX)+8; d += 2.0 ) { int i = KiROUND( d ); printf( "t: %d %.16g\n", i, d ); } return 0; }
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int ret = KiROUND( factor * distance / resValue );
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return ret;
}
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/**
* Function mapPt
* translates a point from the Specctra Session format coordinate system
* to the KiCad coordinate system.
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* @param aPoint The session point to translate
* @param aResolution - The amount to scale the point.
* @return wxPoint - The KiCad coordinate system point.
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*/
static wxPoint mapPt( const POINT& aPoint, UNIT_RES* aResolution )
{
wxPoint ret( scale( aPoint.x, aResolution ),
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-scale( aPoint.y, aResolution ) ); // negate y
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return ret;
}
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TRACK* SPECCTRA_DB::makeTRACK( PATH* aPath, int aPointIndex, int aNetcode ) throw( IO_ERROR )
{
int layerNdx = findLayerName( aPath->layer_id );
if( layerNdx == -1 )
{
wxString layerName = FROM_UTF8( aPath->layer_id.c_str() );
THROW_IO_ERROR( wxString::Format( _("Session file uses invalid layer id \"%s\""),
GetChars( layerName ) ) );
}
TRACK* track = new TRACK( sessionBoard );
track->SetStart( mapPt( aPath->points[aPointIndex+0], routeResolution ) );
track->SetEnd( mapPt( aPath->points[aPointIndex+1], routeResolution ) );
track->SetLayer( pcbLayer2kicad[layerNdx] );
track->SetWidth( scale( aPath->aperture_width, routeResolution ) );
track->SetNetCode( aNetcode );
return track;
}
::VIA* SPECCTRA_DB::makeVIA( PADSTACK* aPadstack, const POINT& aPoint,
int aNetCode, int aViaDrillDefault )
throw( IO_ERROR )
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{
::VIA* via = 0;
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SHAPE* shape;
int shapeCount = aPadstack->Length();
int drill_diam_iu = -1;
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int copperLayerCount = sessionBoard->GetCopperLayerCount();
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// The drill diameter is encoded in the padstack name if Pcbnew did the DSN export.
// It is after the colon and before the last '_'
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int drillStartNdx = aPadstack->padstack_id.find( ':' );
if( drillStartNdx != -1 )
{
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++drillStartNdx; // skip over the ':'
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int drillEndNdx = aPadstack->padstack_id.rfind( '_' );
if( drillEndNdx != -1 )
{
std::string diam_txt( aPadstack->padstack_id,
drillStartNdx, drillEndNdx-drillStartNdx );
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double drill_um = strtod( diam_txt.c_str(), 0 );
drill_diam_iu = int( drill_um * (IU_PER_MM / 1000.0) );
if( drill_diam_iu == aViaDrillDefault )
drill_diam_iu = UNDEFINED_DRILL_DIAMETER;
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}
}
if( shapeCount == 0 )
{
THROW_IO_ERROR( _( "Session via padstack has no shapes" ) );
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}
else if( shapeCount == 1 )
{
shape = (SHAPE*) (*aPadstack)[0];
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DSN_T type = shape->shape->Type();
if( type != T_circle )
THROW_IO_ERROR( wxString::Format( _( "Unsupported via shape: %s"),
GetChars( GetTokenString( type ) ) ) );
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CIRCLE* circle = (CIRCLE*) shape->shape;
int viaDiam = scale( circle->diameter, routeResolution );
via = new ::VIA( sessionBoard );
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via->SetPosition( mapPt( aPoint, routeResolution ) );
via->SetDrill( drill_diam_iu );
via->SetViaType( VIA_THROUGH );
via->SetWidth( viaDiam );
via->SetLayerPair( F_Cu, B_Cu );
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}
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else if( shapeCount == copperLayerCount )
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{
shape = (SHAPE*) (*aPadstack)[0];
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DSN_T type = shape->shape->Type();
if( type != T_circle )
THROW_IO_ERROR( wxString::Format( _( "Unsupported via shape: %s"),
GetChars( GetTokenString( type ) ) ) );
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CIRCLE* circle = (CIRCLE*) shape->shape;
int viaDiam = scale( circle->diameter, routeResolution );
via = new ::VIA( sessionBoard );
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via->SetPosition( mapPt( aPoint, routeResolution ) );
via->SetDrill( drill_diam_iu );
via->SetViaType( VIA_THROUGH );
via->SetWidth( viaDiam );
via->SetLayerPair( F_Cu, B_Cu );
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}
else // VIA_MICROVIA or VIA_BLIND_BURIED
{
int topLayerNdx = -1; // session layer detectors
int botLayerNdx = INT_MAX;
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int viaDiam = -1;
for( int i=0; i<shapeCount; ++i )
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{
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shape = (SHAPE*) (*aPadstack)[i];
DSN_T type = shape->shape->Type();
if( type != T_circle )
THROW_IO_ERROR( wxString::Format( _( "Unsupported via shape: %s"),
GetChars( GetTokenString( type ) ) ) );
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CIRCLE* circle = (CIRCLE*) shape->shape;
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int layerNdx = findLayerName( circle->layer_id );
if( layerNdx == -1 )
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{
wxString layerName = FROM_UTF8( circle->layer_id.c_str() );
THROW_IO_ERROR( wxString::Format( _("Session file uses invalid layer id \"%s\""),
GetChars( layerName ) ) );
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}
if( layerNdx > topLayerNdx )
topLayerNdx = layerNdx;
if( layerNdx < botLayerNdx )
botLayerNdx = layerNdx;
if( viaDiam == -1 )
viaDiam = scale( circle->diameter, routeResolution );
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}
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via = new ::VIA( sessionBoard );
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via->SetPosition( mapPt( aPoint, routeResolution ) );
via->SetDrill( drill_diam_iu );
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if( (topLayerNdx==0 && botLayerNdx==1)
|| (topLayerNdx==copperLayerCount-2 && botLayerNdx==copperLayerCount-1))
via->SetViaType( VIA_MICROVIA );
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else
via->SetViaType( VIA_BLIND_BURIED );
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via->SetWidth( viaDiam );
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PCB_LAYER_ID topLayer = pcbLayer2kicad[topLayerNdx];
PCB_LAYER_ID botLayer = pcbLayer2kicad[botLayerNdx];
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via->SetLayerPair( topLayer, botLayer );
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}
wxASSERT( via );
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via->SetNetCode( aNetCode );
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return via;
}
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// no UI code in this function, throw exception to report problems to the
// UI handler: void PCB_EDIT_FRAME::ImportSpecctraSession( wxCommandEvent& event )
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void SPECCTRA_DB::FromSESSION( BOARD* aBoard ) throw( IO_ERROR )
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{
sessionBoard = aBoard; // not owned here
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if( !session )
THROW_IO_ERROR( _("Session file is missing the \"session\" section") );
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/* Dick 16-Jan-2012: session need not have a placement section.
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if( !session->placement )
THROW_IO_ERROR( _("Session file is missing the \"placement\" section") );
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*/
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if( !session->route )
THROW_IO_ERROR( _("Session file is missing the \"routes\" section") );
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if( !session->route->library )
THROW_IO_ERROR( _("Session file is missing the \"library_out\" section") );
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// delete all the old tracks and vias
aBoard->m_Track.DeleteAll();
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aBoard->DeleteMARKERs();
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buildLayerMaps( aBoard );
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if( session->placement )
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{
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// 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 )
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{
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PLACES& places = comp->places;
for( unsigned i=0; i<places.size(); ++i )
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{
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PLACE* place = &places[i]; // '&' even though places[] holds a pointer!
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wxString reference = FROM_UTF8( place->component_id.c_str() );
MODULE* module = aBoard->FindModuleByReference( reference );
if( !module )
{
THROW_IO_ERROR( wxString::Format( _("Session file has 'reference' to non-existent component \"%s\""),
GetChars( reference ) ) );
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}
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if( !place->hasVertex )
continue;
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UNIT_RES* resolution = place->GetUnits();
wxASSERT( resolution );
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wxPoint newPos = mapPt( place->vertex, resolution );
module->SetPosition( newPos );
if( place->side == T_front )
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{
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// convert from degrees to tenths of degrees used in KiCad.
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int orientation = KiROUND( place->rotation * 10.0 );
if( module->GetLayer() != F_Cu )
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{
// module is on copper layer (back)
module->Flip( module->GetPosition() );
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}
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module->SetOrientation( orientation );
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}
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else if( place->side == T_back )
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{
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int orientation = KiROUND( (place->rotation + 180.0) * 10.0 );
if( module->GetLayer() != B_Cu )
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{
// module is on component layer (front)
module->Flip( module->GetPosition() );
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}
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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'") );
}
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}
}
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}
routeResolution = session->route->GetUnits();
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// Walk the NET_OUTs and create tracks and vias anew.
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NET_OUTS& net_outs = session->route->net_outs;
for( NET_OUTS::iterator net = net_outs.begin(); net!=net_outs.end(); ++net )
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{
int netoutCode = 0;
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// page 143 of spec says wire's net_id is optional
if( net->net_id.size() )
{
wxString netName = FROM_UTF8( net->net_id.c_str() );
NETINFO_ITEM* netinfo = aBoard->FindNet( netName );
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if( netinfo )
netoutCode = netinfo->GetNet();
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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 )
{
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/* 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 = FROM_UTF8( wire->net_id.c_str() );
THROW_IO_ERROR( wxString::Format( _("Unsupported wire shape: \"%s\" for net: \"%s\""),
DLEX::GetTokenString(shape).GetData(),
netId.GetData()
) );
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*/
}
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else
{
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PATH* path = (PATH*) wire->shape;
for( unsigned pt=0; pt<path->points.size()-1; ++pt )
{
TRACK* track = makeTRACK( path, pt, netoutCode );
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aBoard->Add( track );
}
}
}
WIRE_VIAS& wire_vias = net->wire_vias;
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LIBRARY& library = *session->route->library;
for( unsigned i=0; i<wire_vias.size(); ++i )
{
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int netCode = 0;
// page 144 of spec says wire_via's net_id is optional
if( net->net_id.size() )
{
wxString netName = FROM_UTF8( net->net_id.c_str() );
NETINFO_ITEM* netvia = aBoard->FindNet( netName );
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if( netvia )
netCode = netvia->GetNet();
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// 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
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// wire_via to text and put that text into the exception.
wxString psid( FROM_UTF8( wire_via->GetPadstackId().c_str() ) );
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THROW_IO_ERROR( wxString::Format( _("A wire_via references a missing padstack \"%s\""),
GetChars( psid ) ) );
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}
NETCLASSPTR netclass = aBoard->GetDesignSettings().m_NetClasses.GetDefault();
int via_drill_default = netclass->GetViaDrill();
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for( unsigned v=0; v<wire_via->vertexes.size(); ++v )
{
::VIA* via = makeVIA( padstack, wire_via->vertexes[v], netCode, via_drill_default );
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aBoard->Add( via );
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}
}
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}
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}
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} // namespace DSN