Add a new utility: pcb_calculator (need of course wore work)

Eeschema: optimize import of footprints names ( .stf files) that was time consumming with large designs.

CMakeLists.txt

@@ -239,6 +239,7 @@ add_subdirectory(polygon)
 add_subdirectory(polygon/kbool/src)
 add_subdirectory(potrace)
 add_subdirectory(bitmap2component)
+add_subdirectory(pcb_calculator)
 #add_subdirectory(new)
 
 #############

eeschema/backanno.cpp

@@ -15,18 +15,25 @@
 #include "general.h"
 #include "sch_sheet_path.h"
 #include "sch_component.h"
+#include "netlist.h"
 
 
 const wxString BackAnnotateFileWildcard( wxT( "EESchema Back Annotation File (*.stf)|*.stf" ) );
 
 
-bool SCH_EDIT_FRAME::ProcessStuffFile( FILE* aFilename, bool aSetFieldAttributeToVisible  )
+bool SCH_EDIT_FRAME::ProcessStuffFile( FILE* aFile, bool aSetFieldAttributeToVisible  )
 {
     int   LineNum = 0;
     char* cp, Ref[256], FootPrint[256], Line[1024];
     SCH_SHEET_LIST SheetList;
+    wxString reference;
+    wxString footprint;
 
-    while( GetLine( aFilename, Line, &LineNum, sizeof(Line) ) )
+    // Build a flat list of components in schematic:
+    SCH_REFERENCE_LIST referencesList;
+    SheetList.GetComponents( referencesList, false );
+
+    while( GetLine( aFile, Line, &LineNum, sizeof(Line) ) )
     {
         if( sscanf( Line, "comp = \"%s module = \"%s", Ref, FootPrint ) == 2 )
         {
@@ -38,12 +45,39 @@ bool SCH_EDIT_FRAME::ProcessStuffFile( FILE* aFilename, bool aSetFieldAttributeT
                 if( *cp == '"' )
                     *cp = 0;
 
-            wxString reference = FROM_UTF8( Ref );
-            wxString Footprint = FROM_UTF8( FootPrint );
-            SheetList.SetComponentFootprint( reference, Footprint, aSetFieldAttributeToVisible );
+            reference = FROM_UTF8( Ref );
+            footprint = FROM_UTF8( FootPrint );
+
+            // Search the component in the flat list
+            for( unsigned ii = 0; ii < referencesList.GetCount(); ii++ )
+            {
+                if( reference.CmpNoCase( referencesList[ii].GetRef() ) == 0 )
+                {
+                    // We have found a candidate.
+                    // Note: it can be not unique (multiple parts per package)
+                    // So we do not stop the search here
+                    SCH_COMPONENT* component = referencesList[ii].GetComponent();
+                    SCH_FIELD * fpfield = component->GetField( FOOTPRINT );
+                    if( fpfield->m_Text.IsEmpty()
+                        && ( fpfield->m_Pos == wxPoint( 0, 0 ) ) )
+                    {
+                        fpfield->m_Orient = component->GetField( VALUE )->m_Orient;
+                        fpfield->m_Pos    = component->GetField( VALUE )->m_Pos;
+                        fpfield->m_Pos.y -= 100;
+                    }
+
+                    fpfield->m_Text = footprint;
+
+                    if( aSetFieldAttributeToVisible )
+                        component->GetField( FOOTPRINT )->m_Attributs &= ~TEXT_NO_VISIBLE;
+                    else
+                        component->GetField( FOOTPRINT )->m_Attributs |= TEXT_NO_VISIBLE;
+                }
+            }
         }
     }
 
+    fclose( aFile );
     return true;
 }
 

eeschema/dialog_erc_listbox.h

@@ -43,12 +43,14 @@ public:
      * Function AppendToList
      * @param aItem The SCH_MARKER* to add to the current list which will be
      *  displayed in the wxHtmlListBox
+     * @param aRefresh = true to refresh the display
      */
-    void AppendToList( SCH_MARKER* aItem )
+    void AppendToList( SCH_MARKER* aItem, bool aRefresh = true )
     {
         m_MarkerList.push_back( aItem);
         SetItemCount( m_MarkerList.size() );
-        Refresh();
+        if( aRefresh )
+            Refresh();
     }
 
 

eeschema/dialogs/dialog_erc.cpp

@@ -325,17 +325,11 @@ void DIALOG_ERC::DisplayERC_MarkersList()
             SCH_MARKER* Marker = (SCH_MARKER*) DrawStruct;
             if( Marker->GetMarkerType() != MARK_ERC )
                 continue;
-
-            /* Display diag */
-
-//            wxString msg;
-//            msg.Printf( _( "<b>sheet %s</b><ul>\n" ),
-// Sheet->PathHumanReadable().GetData() );
-//            msg += Marker->GetReporter().ShowHtml();
-//            m_MarkersList->Append( msg );
-            m_MarkersList->AppendToList( Marker );
+            // Add marker without refresh the displayed list:
+            m_MarkersList->AppendToList( Marker, false );
         }
     }
+    m_MarkersList->Refresh();
 }
 
 

include/common.h

@@ -54,6 +54,7 @@ enum pseudokeys {
 #define EESCHEMA_EXE        wxT( "eeschema.exe" )
 #define GERBVIEW_EXE        wxT( "gerbview.exe" )
 #define BITMAPCONVERTER_EXE wxT( "bitmap2component.exe" )
+#define PCB_CALCULATOR_EXE  wxT( "pcb_calculator.exe" )
 #else
 #ifndef __WXMAC__
 #define CVPCB_EXE           wxT( "cvpcb" )
@@ -61,12 +62,14 @@ enum pseudokeys {
 #define EESCHEMA_EXE        wxT( "eeschema" )
 #define GERBVIEW_EXE        wxT( "gerbview" )
 #define BITMAPCONVERTER_EXE wxT( "bitmap2component" )
+#define PCB_CALCULATOR_EXE  wxT( "pcb_calculator" )
 #else
 #define CVPCB_EXE           wxT( "cvpcb.app/Contents/MacOS/cvpcb" )
 #define PCBNEW_EXE          wxT( "pcbnew.app/Contents/MacOS/pcbnew" )
 #define EESCHEMA_EXE        wxT( "eeschema.app/Contents/MacOS/eeschema" )
 #define GERBVIEW_EXE        wxT( "gerbview.app/Contents/MacOS/gerbview" )
 #define BITMAPCONVERTER_EXE wxT( "bitmap2component.app/Contents/MacOS/bitmap2component" )
+#define PCB_CALCULATOR_EXE  wxT( "pcb_calculator.app/Contents/MacOS/pcb_calculator" )
 # endif
 #endif
 

kicad/commandframe.cpp

@@ -10,6 +10,7 @@
 #include "kicad.h"
 
 #include "../bitmap2component/bitmap2component.xpm"
+#include "../pcb_calculator/bitmaps/pcb_calculator.xpm"
 
 RIGHT_KM_FRAME::RIGHT_KM_FRAME( KICAD_MANAGER_FRAME* parent ) :
     wxSashLayoutWindow( parent, wxID_ANY )
@@ -86,6 +87,9 @@ void RIGHT_KM_FRAME::CreateCommandToolbar( void )
     btn = AddBitmapButton( ID_TO_BITMAP_CONVERTER, wxBitmap( bitmap2component_xpm ) );
     btn->SetToolTip( _( "Bitmap2Component (a tool to build a logo from a bitmap)\n\
 Creates a component (for Eeschema) or a footprint (for Pcbnew) that shows a B&W picture" ) );
+
+    btn = AddBitmapButton( ID_TO_PCB_CALCULATOR, wxBitmap( pcb_calculator_xpm ) );
+    btn->SetToolTip( _( "Pcb calculator" ) );
 }
 
 

kicad/kicad.h

@@ -44,6 +44,7 @@ enum id_kicad_frm {
     ID_TO_EESCHEMA,
     ID_TO_GERBVIEW,
     ID_TO_BITMAP_CONVERTER,
+    ID_TO_PCB_CALCULATOR,
     ID_BROWSE_AN_SELECT_FILE,
     ID_SELECT_PREFERED_EDITOR,
     ID_SELECT_PREFERED_PDF_BROWSER_NAME,
@@ -93,6 +94,7 @@ public:
     void OnRunEeschema( wxCommandEvent& event );
     void OnRunGerbview( wxCommandEvent& event );
     void OnRunBitmapConverter( wxCommandEvent& event );
+    void OnRunPcbCalculator( wxCommandEvent& event );
 
     void OnOpenTextEditor( wxCommandEvent& event );
     void OnOpenFileInTextEditor( wxCommandEvent& event );

kicad/mainframe.cpp

@@ -176,6 +176,10 @@ void KICAD_MANAGER_FRAME::OnRunBitmapConverter( wxCommandEvent& event )
     ExecuteFile( this, BITMAPCONVERTER_EXE, wxEmptyString );
 }
 
+void KICAD_MANAGER_FRAME::OnRunPcbCalculator( wxCommandEvent& event )
+{
+    ExecuteFile( this, PCB_CALCULATOR_EXE, wxEmptyString );
+}
 
 void KICAD_MANAGER_FRAME::OnRunPcbNew( wxCommandEvent& event )
 {

kicad/menubar.cpp

@@ -51,6 +51,7 @@ BEGIN_EVENT_TABLE( KICAD_MANAGER_FRAME, EDA_BASE_FRAME )
     EVT_BUTTON( ID_TO_EESCHEMA, KICAD_MANAGER_FRAME::OnRunEeschema )
     EVT_BUTTON( ID_TO_GERBVIEW, KICAD_MANAGER_FRAME::OnRunGerbview )
     EVT_BUTTON( ID_TO_BITMAP_CONVERTER, KICAD_MANAGER_FRAME::OnRunBitmapConverter )
+    EVT_BUTTON( ID_TO_PCB_CALCULATOR, KICAD_MANAGER_FRAME::OnRunPcbCalculator )
 
     EVT_UPDATE_UI( ID_SELECT_DEFAULT_PDF_BROWSER, KICAD_MANAGER_FRAME::OnUpdateDefaultPdfBrowser )
     EVT_UPDATE_UI( ID_SELECT_PREFERED_PDF_BROWSER, KICAD_MANAGER_FRAME::OnUpdatePreferredPdfBrowser )

pcb_calculator/CMakeLists.txt

+include_directories(${CMAKE_CURRENT_SOURCE_DIR}
+                    ${CMAKE_CURRENT_SOURCE_DIR}/bitmaps
+                    ${CMAKE_CURRENT_SOURCE_DIR}/dialogs
+                    ${CMAKE_CURRENT_SOURCE_DIR}/transline
+                    ${CMAKE_CURRENT_SOURCE_DIR}/attenuators
+                    )
+
+set(PCB_CALCULATOR_SRCS
+    attenuators.cpp
+    board_classes_values.cpp
+    pcb_calculator.cpp
+    pcb_calculator_frame.cpp
+    colorcode.cpp
+    params_read_write.cpp
+    regulators_funct.cpp
+    transline_ident.cpp
+    UnitSelector.cpp
+    transline/transline.cpp
+    transline/c_microstrip.cpp
+    transline/microstrip.cpp
+    transline/coplanar.cpp
+    transline/coax.cpp
+    transline/rectwaveguide.cpp
+    transline/stripline.cpp
+    transline/twistedpair.cpp
+    transline_dlg_funct.cpp
+    dialogs/pcb_calculator_frame_base.cpp
+    attenuators/attenuator_classes.cpp
+    )
+
+if(WIN32)
+    if(MINGW)
+        # PCB_CALCULATOR_RESOURCES variable is set by the macro.
+        mingw_resource_compiler(pcb_calculator)
+    else(MINGW)
+        set(PCB_CALCULATOR_RESOURCES pcb_calculator.rc)
+    endif(MINGW)
+endif(WIN32)
+
+
+if(APPLE)
+    set(PCB_CALCULATOR_RESOURCES pcb_calculator.icns)
+    set_source_files_properties("${CMAKE_CURRENT_SOURCE_DIR}/pcb_calculator.icns"
+                                PROPERTIES MACOSX_PACKAGE_LOCATION Resources)
+    set(MACOSX_BUNDLE_ICON_FILE pcb_calculator.icns)
+    set(MACOSX_BUNDLE_GUI_IDENTIFIER org.kicad-eda.pcb_calculator)
+endif(APPLE)
+
+
+
+add_executable(pcb_calculator WIN32 MACOSX_BUNDLE
+                            ${PCB_CALCULATOR_SRCS}
+                            ${PCB_CALCULATOR_RESOURCES})
+
+
+if(APPLE)
+    set_target_properties(pcb_calculator PROPERTIES MACOSX_BUNDLE_INFO_PLIST
+        ${CMAKE_CURRENT_SOURCE_DIR}/Info.plist)
+endif(APPLE)
+
+target_link_libraries( pcb_calculator
+                        ${wxWidgets_LIBRARIES}
+                        )
+
+install(TARGETS pcb_calculator
+        DESTINATION ${KICAD_BIN}
+        COMPONENT binary)
+

pcb_calculator/UnitSelector.cpp

+ /**
+  * @file UnitSelector.cpp
+  * a wxChoiceBox to select units in Pcb_Calculator
+  */
+
+#include "UnitSelector.h"
+#include "units_scales.h"
+
+UNIT_SELECTOR_LEN::UNIT_SELECTOR_LEN(wxWindow *parent, wxWindowID id,
+                  const wxPoint& pos, const wxSize& size,
+                  const wxArrayString& choices, long style )
+                : UNIT_SELECTOR( parent, id, pos, size, choices, style )
+{
+    Append( _("mm") );
+    Append( _("um") );
+    Append( _("cm") );
+    Append( _("mil") );
+    Append( _("inch") );
+};
+
+
+/*
+ * Function GetUnitScale
+ * return the scaling factor to convert users units
+ * to normalized units (meter )
+ */
+double UNIT_SELECTOR_LEN::GetUnitScale()
+{
+    switch( GetCurrentSelection() )
+    {
+        case 0: return UNIT_MM; break;
+        case 1: return UNIT_MICRON; break;
+        case 2: return UNIT_CM; break;
+        case 3: return UNIT_MIL; break;
+        case 4: return UNIT_INCH; break;
+    }
+    return 1.0;
+}
+
+
+UNIT_SELECTOR_FREQUENCY::UNIT_SELECTOR_FREQUENCY(wxWindow *parent, wxWindowID id,
+                  const wxPoint& pos, const wxSize& size,
+                  const wxArrayString& choices, long style )
+                : UNIT_SELECTOR( parent, id, pos, size, choices, style )
+{
+    Append( _("GHz") );
+    Append( _("MHz") );
+    Append( _("KHz") );
+    Append( _("Hz") );
+};
+
+/*
+ * Function GetUnitScale
+ * return the scaling factor to convert users units
+ * to normalized units (herz )
+ */
+double UNIT_SELECTOR_FREQUENCY::GetUnitScale()
+{
+    switch( GetCurrentSelection() )
+    {
+        case 0: return UNIT_GHZ; break;
+        case 1: return UNIT_MHZ; break;
+        case 2: return UNIT_KHZ; break;
+        case 3: return 1.0; break;
+    }
+    return 1.0;
+}
+
+
+UNIT_SELECTOR_ANGLE::UNIT_SELECTOR_ANGLE(wxWindow *parent, wxWindowID id,
+                  const wxPoint& pos, const wxSize& size,
+                  const wxArrayString& choices, long style )
+                : UNIT_SELECTOR( parent, id, pos, size, choices, style )
+{
+    Append( _("Radian") );
+    Append( _("Degree") );
+};
+
+/*
+ * Function GetUnitScale
+ * return the scaling factor to convert users units
+ * to normalized units ( radian )
+ */
+double UNIT_SELECTOR_ANGLE::GetUnitScale()
+{
+    switch( GetCurrentSelection() )
+    {
+        case 0: return UNIT_RADIAN; break;
+        case 1: return UNIT_DEGREE; break;
+    }
+    return 1.0;
+}
+
+
+UNIT_SELECTOR_RESISTOR::UNIT_SELECTOR_RESISTOR(wxWindow *parent, wxWindowID id,
+                  const wxPoint& pos, const wxSize& size,
+                  const wxArrayString& choices, long style )
+                : UNIT_SELECTOR( parent, id, pos, size, choices, style )
+{
+    Append( _("Ohm") );
+    Append( _("KOhm") );
+};
+
+
+/*
+ * Function GetUnitScale
+ * return the scaling factor to convert users units
+ * to normalized units ( ohm )
+ */
+double UNIT_SELECTOR_RESISTOR::GetUnitScale()
+{
+    switch( GetCurrentSelection() )
+    {
+        case 0: return UNIT_OHM; break;
+        case 1: return UNIT_KOHM; break;
+    }
+    return 1.0;
+}
+

pcb_calculator/UnitSelector.h

+ /**
+  * @file UnitSelector.h
+  * a wxChoiceBox to select units in Pcb_Calculator
+  */
+
+#ifndef _UnitSelector_h_
+#define _UnitSelector_h_
+
+
+#include <wx/string.h>
+#include <wx/choice.h>
+
+
+class UNIT_SELECTOR: public wxChoice
+{
+public:
+    UNIT_SELECTOR(wxWindow *parent, wxWindowID id,
+                  const wxPoint& pos, const wxSize& size,
+                  const wxArrayString& choices, long style = 0 ):
+            wxChoice( parent, id, pos, size, choices, style )
+    {
+    }
+
+    /**
+     * Function GetUnitScale
+     * @return the scaling factor to convert users units
+     * to normalized units (meter, herz, ohm, radian )
+     */
+    virtual double GetUnitScale() = 0;
+};
+
+class UNIT_SELECTOR_LEN: public UNIT_SELECTOR
+{
+public:
+    UNIT_SELECTOR_LEN(wxWindow *parent, wxWindowID id,
+                  const wxPoint& pos, const wxSize& size,
+                  const wxArrayString& choices, long style = 0 );
+
+    /**
+     * Function GetUnitScale
+     * @return the scaling factor to convert users units
+     * to normalized units (meter)
+     */
+    virtual double GetUnitScale();
+};
+
+class UNIT_SELECTOR_FREQUENCY: public UNIT_SELECTOR
+{
+public:
+    UNIT_SELECTOR_FREQUENCY(wxWindow *parent, wxWindowID id,
+                  const wxPoint& pos, const wxSize& size,
+                  const wxArrayString& choices, long style = 0 );
+
+    /**
+     * Function GetUnitScale
+     * @return the scaling factor to convert users units
+     * to normalized units (Hz)
+     */
+    virtual double GetUnitScale();
+};
+
+class UNIT_SELECTOR_ANGLE: public UNIT_SELECTOR
+{
+public:
+    UNIT_SELECTOR_ANGLE(wxWindow *parent, wxWindowID id,
+                  const wxPoint& pos, const wxSize& size,
+                  const wxArrayString& choices, long style = 0 );
+
+    /**
+     * Function GetUnitScale
+     * @return the scaling factor to convert users units
+     * to normalized units (Hz)
+     */
+    virtual double GetUnitScale();
+};
+
+class UNIT_SELECTOR_RESISTOR: public UNIT_SELECTOR
+{
+public:
+    UNIT_SELECTOR_RESISTOR(wxWindow *parent, wxWindowID id,
+                  const wxPoint& pos, const wxSize& size,
+                  const wxArrayString& choices, long style = 0 );
+
+    /**
+     * Function GetUnitScale
+     * @return the scaling factor to convert users units
+     * to normalized units (Hz)
+     */
+    virtual double GetUnitScale();
+};
+#endif  // _UnitSelector_h_
+

pcb_calculator/attenuators.cpp

+/**
+ * @file attenuators.cpp
+ */
+
+/*
+ * This program source code file is part of KICAD, a free EDA CAD application.
+ *
+ * Copyright (C) 12011 jean-pierre.charras
+ * Copyright (C) 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
+ */
+#include "wx/wx.h"
+
+#include "pcb_calculator.h"
+#include "attenuator_classes.h"
+
+extern double ReturnDoubleFromString( const wxString& TextValue );
+
+// Called on a attenuator selection
+void PCB_CALCULATOR_FRAME::OnAttenuatorSelection( wxCommandEvent& event )
+{
+    SetAttenuator( (unsigned) event.GetSelection() );
+    Refresh();
+}
+
+
+void PCB_CALCULATOR_FRAME::SetAttenuator( unsigned aIdx )
+{
+    if( aIdx >=m_attenuator_list.size() )
+        aIdx = m_attenuator_list.size() - 1;
+    m_currAttenuator = m_attenuator_list[aIdx];
+    TransfAttenuatorDataToPanel();
+    m_Attenuator_Messages->Clear();
+    m_Att_R1_Value->SetValue( wxEmptyString );
+    m_Att_R2_Value->SetValue( wxEmptyString );
+    m_Att_R3_Value->SetValue( wxEmptyString );
+}
+
+
+void PCB_CALCULATOR_FRAME::OnCalculateAttenuator( wxCommandEvent& event )
+{
+    TransfPanelDataToAttenuator();
+    m_currAttenuator->Calculate();
+    TransfAttenuatorResultsToPanel();
+}
+
+
+void PCB_CALCULATOR_FRAME::TransfPanelDataToAttenuator()
+{
+    wxString msg;
+
+    msg = m_AttValueCtrl->GetValue();
+    m_currAttenuator->m_Attenuation = ReturnDoubleFromString(msg);
+    msg = m_ZinValueCtrl->GetValue();
+    m_currAttenuator->m_Zin = ReturnDoubleFromString(msg);
+    msg = m_ZoutValueCtrl->GetValue();
+    m_currAttenuator->m_Zout = ReturnDoubleFromString(msg);
+}
+
+
+void PCB_CALCULATOR_FRAME::TransfAttenuatorDataToPanel()
+{
+    wxString msg;
+
+    msg.Printf( wxT( "%f" ), m_currAttenuator->m_Attenuation );
+    m_AttValueCtrl->SetValue( msg );
+    m_AttValueCtrl->Enable( m_currAttenuator->m_Attenuation_Enable );
+
+    m_ZinValueCtrl->Enable( m_currAttenuator->m_Zin_Enable );
+    if( m_currAttenuator->m_Zin_Enable )
+        msg.Printf( wxT( "%f" ), m_currAttenuator->m_Zin );
+    else
+        msg.Clear();;
+    m_ZinValueCtrl->SetValue( msg );
+
+    msg.Printf( wxT( "%f" ), m_currAttenuator->m_Zout );
+    m_ZoutValueCtrl->SetValue( msg );
+}
+
+
+void PCB_CALCULATOR_FRAME::TransfAttenuatorResultsToPanel()
+{
+    wxString msg;
+
+    m_Attenuator_Messages->Clear();
+
+    if( m_currAttenuator->m_Error )
+    {
+        msg.Printf( _( "Error!\nSet attenuation more than %f dB" ),
+                    m_currAttenuator->m_MinimumATT );
+        m_Attenuator_Messages->AppendText( msg );
+        msg = wxT( "--" );
+        m_Att_R1_Value->SetValue( msg );
+        m_Att_R2_Value->SetValue( msg );
+        if( m_currAttenuator->m_ResultCount  >= 3 )
+            m_Att_R3_Value->SetValue( msg );
+
+        return;
+    }
+
+    msg.Printf( wxT( "%f" ), m_currAttenuator->m_R1 );
+    m_Att_R1_Value->SetValue( msg );
+    msg.Printf( wxT( "%f" ), m_currAttenuator->m_R2 );
+    m_Att_R2_Value->SetValue( msg );
+    if( m_currAttenuator->m_ResultCount  < 3 )
+        m_Att_R3_Value->SetValue( wxEmptyString );
+    else
+    {
+        msg.Printf( wxT( "%f" ), m_currAttenuator->m_R3 );
+        m_Att_R3_Value->SetValue( msg );
+    }
+}
+
+
+void PCB_CALCULATOR_FRAME::OnPaintAttenuatorPanel( wxPaintEvent& event )
+{
+    wxPaintDC dc( m_panelDisplayAttenuator );
+
+    if( m_currAttenuator && m_currAttenuator->m_SchBitMap )
+    {
+        wxSize size = m_panelDisplayAttenuator->GetSize();
+        size.x -= m_currAttenuator->m_SchBitMap->GetWidth();
+        size.y -= m_currAttenuator->m_SchBitMap->GetHeight();
+        dc.DrawBitmap( *m_currAttenuator->m_SchBitMap, size.x / 2, size.y / 2 );
+    }
+
+    event.Skip();
+}
+
+
+void PCB_CALCULATOR_FRAME::OnPaintAttFormulaPanel( wxPaintEvent& event )
+{
+    wxPaintDC dc( m_panelAttFormula );
+
+    if( m_currAttenuator && m_currAttenuator->m_FormulaBitMap )
+    {
+        wxSize size = m_panelAttFormula->GetSize();
+        size.x -= m_currAttenuator->m_FormulaBitMap->GetWidth();
+        size.y -= m_currAttenuator->m_FormulaBitMap->GetHeight();
+        dc.DrawBitmap( *m_currAttenuator->m_FormulaBitMap, size.x / 2, size.y / 2 );
+    }
+
+    event.Skip();
+}

pcb_calculator/attenuators/attenuator_classes.cpp

+/****************************************************************************
+**     From Qucs Attenuator Synthesis
+**     attenuator_classes.cpp
+**
+**     since 2006/6/14
+**
+*****************************************************************************/
+#include <math.h>
+
+#include "attenuator_classes.h"
+
+// Bitmaps:
+#include "att_pi.xpm"
+#include "att_tee.xpm"
+#include "att_bridge.xpm"
+#include "att_splitter.xpm"
+#include "pi_formula.xpm"
+#include "tee_formula.xpm"
+#include "bridged_tee_formula.xpm"
+#include "splitter_formula.xpm"
+
+#ifndef NULL
+#define NULL 0
+#endif
+
+ATTENUATOR::ATTENUATOR( ATTENUATORS_TYPE aTopology )
+{
+    m_Name        = wxT("att_base");
+    m_Error       = false;
+    m_Topology    = aTopology;
+    m_ResultCount = 3;              // If 3 values must be calculated
+    m_Zin = 50;                     // Ohms
+    m_Zin_Enable = true;
+    m_Zout = 50;                    // Ohms
+    m_Attenuation = 6.0;            // dB
+    m_Attenuation_Enable = true;
+    m_MinimumATT    = 0.0;          // dB
+    m_SchBitMap     = NULL;
+    m_FormulaBitMap = NULL;
+}
+
+
+ATTENUATOR::~ATTENUATOR()
+{
+    delete m_SchBitMap;
+    delete m_FormulaBitMap;
+}
+
+
+#define KEYWORD_ATTENUATOR_ATT  wxT( "Attenuation" )
+#define KEYWORD_ATTENUATOR_ZIN  wxT( "Zin" )
+#define KEYWORD_ATTENUATOR_ZOUT wxT( "Zout" )
+#define KEYWORD_ATTENUATORS     wxT( "Attenuators/" )
+
+void ATTENUATOR::ReadConfig( wxConfig* aConfig )
+{
+    aConfig->SetPath( KEYWORD_ATTENUATORS + m_Name );
+    if( m_Attenuation_Enable )
+        aConfig->Read( KEYWORD_ATTENUATOR_ATT, &m_Attenuation, 6.0 );
+    aConfig->Read( KEYWORD_ATTENUATOR_ZIN, &m_Zin, 50.0 );
+    aConfig->Read( KEYWORD_ATTENUATOR_ZOUT, &m_Zout, 50.0 );
+    aConfig->SetPath( wxT( "../.." ) );
+}
+
+
+void ATTENUATOR::WriteConfig( wxConfig* aConfig )
+{
+    aConfig->SetPath( KEYWORD_ATTENUATORS + m_Name );
+    aConfig->Write( KEYWORD_ATTENUATOR_ATT, m_Attenuation );
+    aConfig->Write( KEYWORD_ATTENUATOR_ZIN, m_Zin );
+    aConfig->Write( KEYWORD_ATTENUATOR_ZOUT, m_Zout );
+    aConfig->SetPath( wxT( "../.." ) );
+}
+
+
+ATTENUATOR_PI::ATTENUATOR_PI() : ATTENUATOR( PI_TYPE )
+{
+    m_Name = wxT("att_pi");
+    m_SchBitMap     = new wxBitmap( att_pi_xpm );
+    m_FormulaBitMap = new wxBitmap( pi_formula_xpm );
+}
+
+
+bool ATTENUATOR_PI::Calculate()
+{
+    if( !ATTENUATOR::Calculate() )
+        return false;
+
+    m_R2 = ( (L - 1) / 2 ) * sqrt( m_Zin * m_Zout / L );
+    m_R1 = 1 / ( ( (A / m_Zin) ) - (1 / m_R2) );
+    m_R3 = 1 / ( ( (A / m_Zout) ) - (1 / m_R2) );
+
+    return true;
+}
+
+
+ATTENUATOR_TEE::ATTENUATOR_TEE() : ATTENUATOR( TEE_TYPE )
+{
+    m_Name = wxT("att_tee");
+    m_SchBitMap     = new wxBitmap( att_tee_xpm );
+    m_FormulaBitMap = new wxBitmap( tee_formula_xpm );
+}
+
+
+bool ATTENUATOR_TEE::Calculate()
+{
+    if( !ATTENUATOR::Calculate() )
+        return false;
+
+    m_R2 = ( 2 * sqrt( L * m_Zin * m_Zout ) ) / (L - 1);
+    m_R1 = m_Zin * A - m_R2;
+    m_R3 = m_Zout * A - m_R2;
+
+    return true;
+}
+
+
+ATTENUATOR_BRIDGE::ATTENUATOR_BRIDGE() : ATTENUATOR( BRIDGE_TYPE )
+{
+    m_Name = wxT("att_bridge");
+    m_Zin_Enable    = false;
+    m_ResultCount   = 2;
+    m_SchBitMap     = new wxBitmap( att_bridge_xpm );
+    m_FormulaBitMap = new wxBitmap( bridged_tee_formula_xpm );
+}
+
+
+bool ATTENUATOR_BRIDGE::Calculate()
+{
+    m_Zin = m_Zout;
+    if( !ATTENUATOR::Calculate() )
+        return false;
+
+    L    = pow( 10, m_Attenuation / 20 );
+    m_R1 = m_Zin * (L - 1);
+    m_R2 = m_Zin / (L - 1);
+
+    return true;
+}
+
+
+ATTENUATOR_SPLITTER::ATTENUATOR_SPLITTER() : ATTENUATOR( SPLITTER_TYPE )
+{
+    m_Name = wxT("att_splitter");
+    m_Attenuation_Enable = false;
+    m_Attenuation = 6.0;
+    m_MinimumATT    = 6.0;
+    m_Zin_Enable    = false;
+    m_SchBitMap     = new wxBitmap( att_splitter_xpm );
+    m_FormulaBitMap = new wxBitmap( splitter_formula_xpm );
+}
+
+
+bool ATTENUATOR_SPLITTER::Calculate()
+{
+    m_Attenuation = 6.0;
+    m_Zin = m_Zout;
+    m_R1  = m_R2 = m_R3 = m_Zout / 3.0;
+    return true;
+}
+
+
+bool ATTENUATOR::Calculate()
+{
+    L = pow( 10, m_Attenuation / 10 );
+
+    A = (L + 1) / (L - 1);
+
+    if( m_Zin > m_Zout )
+    {
+        Lmin = (2 * m_Zin / m_Zout) - 1 + 2 *
+               sqrt( m_Zin / m_Zout * (m_Zin / m_Zout - 1) );
+    }
+    else
+    {
+        Lmin = (2 * m_Zout / m_Zin) - 1 + 2 *
+               sqrt( m_Zout / m_Zin * (m_Zout / m_Zin - 1) );
+    }
+    m_MinimumATT = 10 * log10( Lmin );
+
+    if( m_MinimumATT > m_Attenuation )
+    {
+        m_Error = true;
+        return false;
+    }
+
+    m_Error = false;
+    return true;
+}

pcb_calculator/attenuators/attenuator_classes.h

+/**
+ *     @file attenuator_classes.h
+ */
+
+/*
+ *     Attenuator Synthesis
+ *
+ *     From Qucs
+ *      Modified for Kicad
+ */
+
+#ifndef ATTENUATORFUNC_H
+#define ATTENUATORFUNC_H
+
+#include "wx/config.h"
+#include <wx/bitmap.h>
+
+enum ATTENUATORS_TYPE {
+    PI_TYPE,
+    TEE_TYPE,
+    BRIDGE_TYPE,
+    SPLITTER_TYPE
+};
+
+class ATTENUATOR
+{
+protected:
+    ATTENUATORS_TYPE m_Topology;
+public:
+    wxString         m_Name;                // Identifier for config
+    int m_ResultCount;                      // Number of value to calculate, and therefore display
+    bool             m_Error;               // Set to true if values acnnot be calculated
+    double           m_Zin;                 // Impedance of source
+    bool             m_Zin_Enable;          // Set to true when impedance of source has meaning
+    double           m_Zout;                // Impedance of load
+    double           m_Attenuation;         // Attenuation in dB
+    bool             m_Attenuation_Enable;  // Set to true when Attenuatiopn has meaning
+    double           m_MinimumATT;          // Minimun attenuation in dB from parameters
+    double           m_R1;                  // value of R1
+    double           m_R2;                  // value of R2
+    double           m_R3;                  // value of R3 (if any)
+    wxBitmap*        m_SchBitMap;           // The schema of this attenuator
+    wxBitmap*        m_FormulaBitMap;       // The formula used to calcualte this attenuator
+
+protected:
+    double           Lmin, L, A; // internal variable for temporary use
+
+
+protected:
+    // The constructor is protected, because this class is not intendent to be instancied
+    ATTENUATOR( ATTENUATORS_TYPE Topology );
+public:
+    ~ATTENUATOR();
+
+    /**
+     * Function Calculate
+     * calculates the values of components in attenuator
+     * @return true if ok, false if some values cannot be calculated
+     */
+    virtual bool Calculate();
+
+    /**
+     * Function ReadConfig
+     * Read values stored in config for this attenuator
+     * @param aConfig = the config to use
+     */
+    void         ReadConfig( wxConfig* aConfig );
+
+    /**
+     * Function WriteConfig
+     * Read values stored in config for this attenuator
+     * @param aConfig = the config to use
+     */
+    void         WriteConfig( wxConfig* aConfig );
+};
+
+class ATTENUATOR_PI : public ATTENUATOR
+{
+public: ATTENUATOR_PI();
+    virtual bool Calculate();
+};
+
+class ATTENUATOR_TEE : public ATTENUATOR
+{
+public: ATTENUATOR_TEE();
+    virtual bool Calculate();
+};
+
+class ATTENUATOR_BRIDGE : public ATTENUATOR
+{
+public: ATTENUATOR_BRIDGE();
+    virtual bool Calculate();
+};
+
+class ATTENUATOR_SPLITTER : public ATTENUATOR
+{
+public: ATTENUATOR_SPLITTER();
+    virtual bool Calculate();
+};
+
+#endif  // ATTENUATORFUNC_H

pcb_calculator/bitmaps/arrow_bottom.xpm

+/* XPM */
+const char *arrow_bottom_xpm[] = {
+/* columns rows colors chars-per-pixel */
+"22 22 16 1",
+"  c #FCFEFC",
+". c #0C3A58",
+"= c #23C1D8",
+"+ c #DBEDF6",
+"# c #040204",
+": c #A8D2E0",
+"- c #49DBE8",
+"% c #14688D",
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+"X c #244862",
+"; c #139DC1",
+"@ c #317D9C",
+"$ c #70C0D8",
+"& c #12ADCE",
+"O c #C3E1ED",
+/* pixels */
+"                      ",
+"                      ",
+"                      ",
+"       ..XXX...       ",
+"       .oO++O@#       ",
+"       .+o$oo%#       ",
+"       . O&*=%#       ",
+"       . +$*-%#       ",
+"       . O=*-%#       ",
+"       . $&*=%#       ",
+"  ......O$&;=;.X....  ",
+"   #@$oo:&**=;&;@%#   ",
+"    #@+:$&*;&=-;%#    ",
+"     #@ +$;;=-;%#     ",
+"      #@ +$$-;%#      ",
+"       #@ O-;%#       ",
+"        #@+;%#        ",
+"         #@%#         ",
+"          ##          ",
+"                      ",
+"                      ",
+"                      "
+};

pcb_calculator/bitmaps/arrow_top.xpm

+/* XPM */
+const char *arrow_top_xpm[] = {
+/* columns rows colors chars-per-pixel */
+"22 22 16 1",
+"o c #7994B7",
+"- c #27486C",
+": c #74B9DC",
+"& c #1286BD",
+"X c #040B19",
+"@ c #AFD3E7",
+"O c #165686",
+". c #0C3058",
+"  c #FBFEFC",
+"+ c #2298C9",
+"* c #74A6CC",
+"$ c #8AC7E4",
+"; c #147EB1",
+"# c #1BABD6",
+"% c #41C5E1",
+"= c #206596",
+/* pixels */
+"                      ",
+"                      ",
+"                      ",
+"          .X          ",
+"         .oOX         ",
+"        .o +OX        ",
+"       .o @#+OX       ",
+"      .o @$#%+OX      ",
+"     .o  %+&#%+OX     ",
+"    .o $*+&&+#%=OX    ",
+"   .-=O=+&&&+&=OO.X   ",
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+"       X$@+&%=X       ",
+"       - @:;%OX       ",
+"       .  $;%=X       ",
+"       . @:;#OX       ",
+"       .@*+;#OX       ",
+"       .-=OOO.X       ",
+"       XXXXXXXX       ",
+"                      ",
+"                      ",
+"                      "
+};

pcb_calculator/bitmaps/pcb_calculator.xpm

+/* XPM */
+const char *pcb_calculator_xpm[] = {
+/* columns rows colors chars-per-pixel */
+"32 32 16 1",
+"o c #AC9D99",
+"= c #6F5A87",
+"- c #4242BA",
+"& c #7E7EF7",
+"# c #37357B",
+"; c #9A5753",
+"O c #997366",
+". c #958280",
+"@ c #342D4E",
+"X c #B0816B",
+"  c None",
+"$ c #3A1721",
+"* c #6258B4",
+": c #9C090B",
+"+ c #5C433C",
+"% c #6E5C55",
+/* pixels */
+"        .XXX.                   ",
+"       oXo..OX    o             ",
+"        oX.+O.X.+@#$%      ooo  ",
+"         oX.+%X%&&&&*@+o  o  oo ",
+"         oOO%+.O&&&&&&*= o    o ",
+"       .@@=X%+OX&&&&&&& o    o  ",
+"  oXX+@#&&&X%+%X&&&&&&&     o o ",
+" oOoX=&&&&OX%+OX&&&&&&& o   o=$ ",
+"O@O.OX..&O.%++OX&&&&&& oooooo-$o",
+"+-O.+O.XX.%+++%..&&&& ooo oo--@O",
+"@-*XO+++%%+++++%..&& oooo-----#+",
+"$--=XO+++++%++++OX. oooo----##@@",
+"$---OX..O..XO++++O ooo ---##@@@%",
+"@----*OOXOOOXO+++oooo --##@@@@@.",
+"%#----------OXO+oooo =#@@@@@@@@o",
+".#----------*;Xooooo.X+@@@@@@%$ ",
+" $=--------#$:$oooo++.X+@@@$%.+ ",
+" +O+#-----$:;;:$. ++++.O+$++..+ ",
+" o+O%$#--$::::::$.%++++.O. O..+ ",
+"      +$$::::::::;.%++++.X %..+ ",
+"       $:::::::::@O.%++++.X%.%+ ",
+"      +:::;:::::$..O.++++%.X$%o ",
+"    o$::+O:::::$O..+X.++++%.X   ",
+"   ;:::Oo:::::+ O..+ X.++++%.X  ",
+" o$::;oo:::::$  O..+  X.++++%.o ",
+" +::X o:::::$   .+$+   X.++oo.X ",
+" $:o ;:::::$o    %.     X.% oOX ",
+" +:::::::::o             X.OO.X ",
+" .::::::::%               XXXXo ",
+"  +::::::$                 oo   ",
+"   +:::::o                      ",
+"    %$:$.                       "
+};

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+       d="m 195,932.36216 0,10 0,0"
+       id="path3960"
+       inkscape:connector-curvature="0" />
+    <path
+       style="fill:#800000;stroke:#800000;stroke-width:2;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 195,982.36216 0,10.00002 0,0"
+       id="path3960-7"
+       inkscape:connector-curvature="0" />
+    <path
+       style="fill:#800000;stroke:#800000;stroke-width:2;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 195,1032.3622 0,10 0,0"
+       id="path3960-1"
+       inkscape:connector-curvature="0" />
+    <path
+       style="fill:none;stroke:#000000;stroke-width:3;stroke-linecap:round;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
+       d="m 184.83349,1042.3622 20.16651,0 0,0"
+       id="path3832-2"
+       inkscape:connector-curvature="0" />
+    <text
+       xml:space="preserve"
+       style="font-size:26.76031494px;font-style:normal;font-weight:normal;line-height:125%;letter-spacing:0px;word-spacing:0px;fill:#800000;fill-opacity:1;stroke:none;font-family:Bitstream Vera Sans"
+       x="80.369926"
+       y="1059.1328"
+       id="text3789-6"
+       sodipodi:linespacing="125%"
+       transform="scale(1.061934,0.9416781)"><tspan
+         sodipodi:role="line"
+         id="tspan3791-0"
+         x="80.369926"
+         y="1059.1328"
+         style="fill:#800000;fill-opacity:1;stroke:none">Vref</tspan></text>
+    <path
+       style="fill:#800000;stroke:#800000;stroke-width:1px;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1"
+       d="m 245.70758,922.36218 10,10 -10,10 z"
+       id="path3794"
+       inkscape:connector-curvature="0" />
+  </g>
+</svg>

pcb_calculator/board_classes_values.cpp

+/*
+ * This program source code file is part of KICAD, a free EDA CAD application.
+ *
+ * Copyright (C) 2011 jean-pierre.charras
+ * Copyright (C) 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
+ */
+
+#include <wx/app.h>
+#include <wx/config.h>
+#include <wx/msgdlg.h>
+
+#include "pcb_calculator_frame_base.h"
+#include "pcb_calculator.h"
+#include "UnitSelector.h"
+#include "units_scales.h"
+
+// A helper class to handle min values
+// Values are in meters.
+// Note : use -1.0 when a vaule is irrelevant in a class
+class BOARD_MIN_SIZE_VALUES
+{
+public:
+    int m_Class;                    // Class Id
+    double m_Lines;                 // min copper lines width
+    double m_Clearance;             // min dist between copper lines
+    double m_ViaDiamDiff;           // Min value for diff between Via diameter
+                                    // and its hole diameter
+    double m_PadDiamDiffPlated;     // Min value for diff between Pad diameter
+                                    // and its hole diameter (plated)
+    double m_PadDiamDiffNotPlated;  // Min value for diff between Pad diameter
+                                    // and its hole diameter (not plated)
+public:
+    BOARD_MIN_SIZE_VALUES( int aClass, double aLines,
+                    double aClearance, double aViaDiffPlated,
+                    double aPadDiffPlated , double aPadDiffNotPlated )
+    {
+        m_Class = aClass;
+        m_Lines = aLines;
+        m_Clearance = aClearance;
+        m_ViaDiamDiff = aViaDiffPlated;
+        m_PadDiamDiffPlated = aPadDiffPlated;
+        m_PadDiamDiffNotPlated = aPadDiffNotPlated;
+    }
+};
+
+#define BRDCLASS_COUNT 6
+static BOARD_MIN_SIZE_VALUES clist[BRDCLASS_COUNT] =
+{
+    // class 1
+    BOARD_MIN_SIZE_VALUES(1, 0.80*UNIT_MM, 0.68*UNIT_MM,
+            -1.0,
+             1.19*UNIT_MM, 1.57*UNIT_MM ),
+    // class 2
+    BOARD_MIN_SIZE_VALUES(1, 0.50*UNIT_MM, 0.50*UNIT_MM,
+            -1.0,
+            0.78*UNIT_MM, 1.13*UNIT_MM ),
+    // class 3
+    BOARD_MIN_SIZE_VALUES(1, 0.31*UNIT_MM, 0.31*UNIT_MM,
+            0.45*UNIT_MM,
+            0.6*UNIT_MM, 0.90*UNIT_MM ),
+    // class 4
+    BOARD_MIN_SIZE_VALUES(1, 0.21*UNIT_MM, 0.21*UNIT_MM,
+            0.34*UNIT_MM,
+            0.49*UNIT_MM, -1.0 ),
+    // class 5
+    BOARD_MIN_SIZE_VALUES(1, 0.15*UNIT_MM, 0.15*UNIT_MM,
+            0.24*UNIT_MM,
+            0.39*UNIT_MM, -1.0 ),
+    // class 6
+    BOARD_MIN_SIZE_VALUES(1, 0.12*UNIT_MM, 0.12*UNIT_MM,
+            0.20*UNIT_MM,
+            0.35*UNIT_MM, -1.0 )
+};
+
+
+void PCB_CALCULATOR_FRAME::OnBoardClassesUnitsSelection( wxCommandEvent& event )
+{
+    BoardClassesUpdateData( m_BoardClassesUnitsSelector->GetUnitScale() );
+}
+
+void PCB_CALCULATOR_FRAME::BoardClassesUpdateData( double aUnitScale )
+{
+    wxString txt;
+    for( int ii = 0; ii < BRDCLASS_COUNT; ii ++ )
+    {
+        // Display min tracks width
+        if( clist[ii].m_Lines > -1.0 )
+            txt.Printf( wxT("%f"), clist[ii].m_Lines / aUnitScale);
+        else
+            txt = wxT("--");
+        m_gridClassesValuesDisplay->SetCellValue(0, ii, txt );
+
+        // Display min clearance
+        if( clist[ii].m_Clearance > -1.0 )
+            txt.Printf( wxT("%f"), clist[ii].m_Clearance / aUnitScale);
+        else
+            txt = wxT("--");
+        m_gridClassesValuesDisplay->SetCellValue(1, ii, txt );
+
+        // Display min Via diam diff
+        if( clist[ii].m_ViaDiamDiff > -1.0 )
+            txt.Printf( wxT("%f"), clist[ii].m_ViaDiamDiff / aUnitScale);
+        else
+            txt = wxT("--");
+        m_gridClassesValuesDisplay->SetCellValue(2, ii, txt );
+
+        // Display min Pad diam diff (plated)
+        if( clist[ii].m_PadDiamDiffPlated > -1.0 )
+            txt.Printf( wxT("%f"), clist[ii].m_PadDiamDiffPlated / aUnitScale);
+        else
+            txt = wxT("--");
+        m_gridClassesValuesDisplay->SetCellValue(3, ii, txt );
+
+        // Display min Pad diam diff (non plated)
+        if( clist[ii].m_PadDiamDiffNotPlated > -1.0 )
+            txt.Printf( wxT("%f"), clist[ii].m_PadDiamDiffNotPlated / aUnitScale);
+        else
+            txt = wxT("--");
+        m_gridClassesValuesDisplay->SetCellValue(4, ii, txt );
+    }
+}
+

pcb_calculator/colorcode.cpp

+/*
+ * This program source code file is part of KICAD, a free EDA CAD application.
+ *
+ * Copyright (C) 2011 jean-pierre.charras
+ * Copyright (C) 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
+ */
+
+#include <wx/app.h>
+#include <wx/config.h>
+#include <wx/msgdlg.h>
+
+#include "pcb_calculator_frame_base.h"
+#include "pcb_calculator.h"
+
+void PCB_CALCULATOR_FRAME::OnToleranceSelection( wxCommandEvent& event )
+{
+    ToleranceSelection( event.GetSelection() );
+}
+
+void PCB_CALCULATOR_FRAME::ToleranceSelection( int aSelection )
+{
+    /* For tolerance = 5 or 10 %, there are 3 ring for the value
+     * but for tolerance < 5 %, there are 4 ring
+     */
+    bool enable = true;
+    switch( aSelection )
+    {
+        case 0:
+        case 1:
+            enable = false;
+            break;
+
+        default:
+            break;
+    }
+    bool oldstate = m_Band4Label->IsShown();
+    if( oldstate != enable )
+    {
+        m_Band4bitmap->Show(enable);
+        m_Band4Label->Show(enable);
+        // m_Band4Label visibility has changed:
+        // The new size must be taken in account
+        m_panelColorCode->GetSizer()->Layout();
+        m_panelColorCode->Refresh();
+    }
+}
+

pcb_calculator/pcb_calculator.cpp

+/*
+ * This program source code file is part of KICAD, a free EDA CAD application.
+ *
+ * Copyright (C) 2011 jean-pierre.charras
+ * Copyright (C) 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
+ */
+#include "wx/wx.h"
+#include "wx/config.h"
+
+#include "pcb_calculator_frame_base.h"
+#include "pcb_calculator.h"
+
+// PCB_CALCULATOR_APP
+
+class PCB_CALCULATOR_APP : public wxApp
+{
+public:
+    virtual bool OnInit();
+};
+
+
+IMPLEMENT_APP( PCB_CALCULATOR_APP )
+
+///-----------------------------------------------------------------------------
+// PCB_CALCULATOR_APP
+// main program
+//-----------------------------------------------------------------------------
+
+bool PCB_CALCULATOR_APP::OnInit()
+{
+    SetVendorName( wxT( "kicad" ) );
+
+    wxFrame* frame = new PCB_CALCULATOR_FRAME( NULL );
+    SetTopWindow( frame );
+    frame->Show( true );
+
+    return true;
+}

pcb_calculator/pcb_calculator.rc

+pcb_calculator_icon ICON pcb_calculator.ico
+#include "wx/msw/wx.rc"

pcb_calculator/regulators_funct.cpp

+/**
+ * @file regulators_funct.cpp
+ */
+/*
+ * This program source code file is part of KICAD, a free EDA CAD application.
+ *
+ * Copyright (C) 1992-2011 jean-pierre.charras
+ * Copyright (C) 1992-2011 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
+ */
+#include "wx/wx.h"
+#include "wx/config.h"
+
+#include "pcb_calculator.h"
+
+extern double ReturnDoubleFromString( const wxString& TextValue );
+
+void PCB_CALCULATOR_FRAME::OnRegulatorCalcButtonClick( wxCommandEvent& event )
+{
+    RegulatorsSolve();
+}
+
+// Calculate a value from the 3 other values
+// Vref is given by the regulator properties, so
+// we can calculate only R1, R2 or Vout
+void PCB_CALCULATOR_FRAME::RegulatorsSolve()
+{
+    int id;
+    if( m_rbRegulR1->GetValue() )
+        id = 0;     // for R1 calculation
+    else if( m_rbRegulR2->GetValue() )
+        id = 1;     // for R2 calculation
+    else if( m_rbRegulVout->GetValue() )
+        id = 2;     // for Vout calculation
+    else
+    {
+        wxMessageBox( wxT("Selection error" ) );
+        return;
+    }
+
+    double r1, r2, vref, vout;
+
+    wxString txt;
+
+    m_RegulMessage->SetLabel( wxEmptyString);
+
+    // Read values from panel:
+    txt = m_RegulR1Value->GetValue();
+    r1 = ReturnDoubleFromString(txt);
+    txt = m_RegulR2Value->GetValue();
+    r2 = ReturnDoubleFromString(txt);
+    txt = m_RegulVrefValue->GetValue();
+    vref = ReturnDoubleFromString(txt);
+    txt = m_RegulVoutValue->GetValue();
+    vout = ReturnDoubleFromString(txt);
+
+    // Some tests:
+    if( vout < vref && id != 2)
+    {
+        m_RegulMessage->SetLabel( _(" Vout must be greater than vref" ) );
+        return;
+    }
+
+    if( vref == 0.0 )
+    {
+        m_RegulMessage->SetLabel( _(" Vref set to 0 !" ) );
+        return;
+    }
+
+    if( (r1 < 0 && id != 0 ) || (r2 <= 0 && id != 1) )
+    {
+        m_RegulMessage->SetLabel( _("Incorrect value for R1 R2" ) );
+        return;
+    }
+
+    // Calculate
+    switch( id )
+    {
+        case 0:
+            r1 = ( vout / vref - 1 ) * r2;
+            break;
+
+        case 1:
+            r2 = r1 / ( vout / vref - 1);
+            break;
+
+        case 2:
+            vout = vref * (r1 + r2) / r2;
+            break;
+    }
+    // write values to panel:
+    txt.Printf(wxT("%f"), r1);
+    m_RegulR1Value->SetValue(txt);
+    txt.Printf(wxT("%f"), r2);
+    m_RegulR2Value->SetValue(txt);
+    txt.Printf(wxT("%f"), vref);
+    m_RegulVrefValue->SetValue(txt);
+    txt.Printf(wxT("%f"), vout);
+    m_RegulVoutValue->SetValue(txt);
+
+}
+