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ADDED: E-Series Resistor Calculator 

Fixes https://gitlab.com/kicad/code/kicad/issues/2155
This commit is contained in:
Janvi 2020-09-15 14:03:07 +00:00 committed by Seth Hillbrand
parent 665212341d
commit 1b56e2e95d
10 changed files with 12402 additions and 9486 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
pcb_calculator/CMakeLists.txt
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@ -1,4 +1,3 @@
include_directories( BEFORE ${INC_BEFORE} )
include_directories(
bitmaps
@ -10,6 +9,7 @@ include_directories(
)
set( PCB_CALCULATOR_SRCS
eserie.cpp
attenuators.cpp
board_classes_values.cpp
colorcode.cpp
@ -162,7 +162,6 @@ make_lexer(
function( html_doc2h inputFile )
add_custom_command(
OUTPUT ${inputFile}.h
COMMAND ${CMAKE_COMMAND} -DinputFile=${inputFile}.html -DoutputFile=${inputFile}.h
-P ${CMAKE_MODULE_PATH}/Html2C.cmake
DEPENDS ${inputFile}.html ${CMAKE_MODULE_PATH}/Html2C.cmake
@ -189,6 +188,7 @@ endfunction()
md_doc2h( ${CMAKE_CURRENT_SOURCE_DIR}/attenuators/pi_formula )
md_doc2h( ${CMAKE_CURRENT_SOURCE_DIR}/attenuators/tee_formula )
md_doc2h( ${CMAKE_CURRENT_SOURCE_DIR}/tracks_width_versus_current_formula )
md_doc2h( ${CMAKE_CURRENT_SOURCE_DIR}/eserie_help )
set( DOCS_LIST
${CMAKE_CURRENT_SOURCE_DIR}/attenuators/pi_formula.h
@ -196,6 +196,7 @@ set( DOCS_LIST
${CMAKE_CURRENT_SOURCE_DIR}/attenuators/bridget_tee_formula.h
${CMAKE_CURRENT_SOURCE_DIR}/attenuators/splitter_formula.h
${CMAKE_CURRENT_SOURCE_DIR}/tracks_width_versus_current_formula.h
${CMAKE_CURRENT_SOURCE_DIR}/eserie_help.h
)
set_source_files_properties( attenuators/attenuator_classes.cpp

1745
pcb_calculator/dialogs/pcb_calculator_frame_base.cpp
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19619
pcb_calculator/dialogs/pcb_calculator_frame_base.fbp
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405
pcb_calculator/dialogs/pcb_calculator_frame_base.h
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@ -37,11 +37,11 @@ class UNIT_SELECTOR_THICKNESS;
#include <wx/choice.h>
#include <wx/button.h>
#include <wx/panel.h>
#include <wx/radiobox.h>
#include <wx/bmpbuttn.h>
#include <wx/html/htmlwin.h>
#include <wx/statline.h>
#include <wx/grid.h>
#include <wx/radiobox.h>
#include <wx/bmpbuttn.h>
#include <wx/notebook.h>
#include <wx/frame.h>
@ -93,134 +93,75 @@ class PCB_CALCULATOR_FRAME_BASE : public KIWAY_PLAYER
wxButton* m_buttonAddItem;
wxButton* m_buttonRemoveItem;
wxStaticText* m_RegulMessage;
wxPanel* m_panelTrackWidth;
wxStaticText* m_staticTextCurrent;
wxTextCtrl* m_TrackCurrentValue;
wxStaticText* m_staticText62;
wxStaticText* m_staticText63;
wxTextCtrl* m_TrackDeltaTValue;
wxStaticText* m_staticText64;
wxStaticText* m_staticText66;
wxTextCtrl* m_TrackLengthValue;
UNIT_SELECTOR_LEN* m_TW_CuLength_choiceUnit;
wxStaticText* m_staticText103;
wxTextCtrl* m_TWResistivity;
wxStaticText* m_staticText104;
wxHtmlWindow* m_htmlWinFormulas;
wxStaticText* m_staticTextExtWidth;
wxTextCtrl* m_ExtTrackWidthValue;
UNIT_SELECTOR_LEN* m_TW_ExtTrackWidth_choiceUnit;
wxStaticText* m_staticText65;
wxTextCtrl* m_ExtTrackThicknessValue;
UNIT_SELECTOR_THICKNESS* m_ExtTrackThicknessUnit;
wxStaticLine* m_staticline3;
wxStaticLine* m_staticline4;
wxStaticLine* m_staticline5;
wxStaticText* m_staticTextArea;
wxStaticText* m_ExtTrackAreaValue;
wxStaticText* m_ExtTrackAreaUnitLabel;
wxStaticText* m_staticText651;
wxStaticText* m_ExtTrackResistValue;
wxStaticText* m_staticText84;
wxStaticText* m_staticText661;
wxStaticText* m_ExtTrackVDropValue;
wxStaticText* m_staticText83;
wxStaticText* m_staticText79;
wxStaticText* m_ExtTrackLossValue;
wxStaticText* m_staticText791;
wxStaticText* m_staticTextIntWidth;
wxTextCtrl* m_IntTrackWidthValue;
UNIT_SELECTOR_LEN* m_TW_IntTrackWidth_choiceUnit;
wxStaticText* m_staticText652;
wxTextCtrl* m_IntTrackThicknessValue;
UNIT_SELECTOR_THICKNESS* m_IntTrackThicknessUnit;
wxStaticText* m_staticTextArea1;
wxStaticText* m_IntTrackAreaValue;
wxStaticText* m_IntTrackAreaUnitLabel;
wxStaticText* m_staticText6511;
wxStaticText* m_IntTrackResistValue;
wxStaticText* m_staticText841;
wxStaticText* m_staticText6611;
wxStaticText* m_IntTrackVDropValue;
wxStaticText* m_staticText831;
wxStaticText* m_staticText792;
wxStaticText* m_IntTrackLossValue;
wxStaticText* m_staticText7911;
wxButton* m_buttonTrackWidthReset;
wxPanel* m_panelViaSize;
wxStaticText* m_staticTextHoleDia;
wxTextCtrl* m_textCtrlHoleDia;
UNIT_SELECTOR_LEN* m_choiceHoleDia;
wxStaticText* m_staticTextPlatingThickness;
wxTextCtrl* m_textCtrlPlatingThickness;
UNIT_SELECTOR_LEN* m_choicePlatingThickness;
wxStaticText* m_staticTextViaLength;
wxTextCtrl* m_textCtrlViaLength;
UNIT_SELECTOR_LEN* m_choiceViaLength;
wxStaticText* m_staticTextViaPadDia;
wxTextCtrl* m_textCtrlViaPadDia;
UNIT_SELECTOR_LEN* m_choiceViaPadDia;
wxStaticText* m_staticTextClearanceDia;
wxTextCtrl* m_textCtrlClearanceDia;
UNIT_SELECTOR_LEN* m_choiceClearanceDia;
wxStaticText* m_staticTextImpedance;
wxTextCtrl* m_textCtrlImpedance;
UNIT_SELECTOR_RESISTOR* m_choiceImpedance;
wxStaticText* m_staticAppliedCurrent;
wxTextCtrl* m_textCtrlAppliedCurrent;
wxStaticText* m_staticTextAppliedCurrentUnits;
wxStaticText* m_staticTextResistivity;
wxTextCtrl* m_textCtrlPlatingResistivity;
wxButton* m_button_ResistivityVia;
wxStaticText* m_staticTextPermittivity;
wxTextCtrl* m_textCtrlPlatingPermittivity;
wxButton* m_button_Permittivity;
wxStaticText* m_staticTextTemperatureDiff;
wxTextCtrl* m_textCtrlTemperatureDiff;
wxStaticText* m_staticTextTemperatureUnits;
wxStaticText* m_staticTextRiseTime;
wxTextCtrl* m_textCtrlRiseTime;
wxStaticText* m_staticTextRiseTimeUnits;
wxStaticLine* m_staticline31;
wxStaticBitmap* m_bitmap10;
wxStaticText* m_staticTextArea11;
wxStaticText* m_ViaResistance;
wxStaticText* m_IntTrackAreaUnitLabel1;
wxStaticText* m_staticText65111;
wxStaticText* m_ViaVoltageDrop;
wxStaticText* m_staticText8411;
wxStaticText* m_staticText66111;
wxStaticText* m_ViaPowerLoss;
wxStaticText* m_staticText8311;
wxStaticText* m_staticText79211;
wxStaticText* m_ViaThermalResistance;
wxStaticText* m_staticText791111;
wxStaticText* m_staticTextAmpacity;
wxStaticText* m_ViaAmpacity;
wxStaticText* m_staticTextAmpacityUnits;
wxStaticText* m_staticTextCapacitance;
wxStaticText* m_ViaCapacitance;
wxStaticText* m_staticTextCapacitanceUnits;
wxStaticText* m_staticTextRiseTimeOutput;
wxStaticText* m_RiseTimeOutput;
wxStaticText* m_staticTextRiseTimeOutputUnits;
wxStaticText* m_staticTextInductance;
wxStaticText* m_Inductance;
wxStaticText* m_staticTextInductanceUnits;
wxStaticText* m_staticTextReactance;
wxStaticText* m_Reactance;
wxStaticText* m_staticTextReactanceUnits;
wxStaticText* m_staticTextWarning;
wxButton* m_buttonViaReset;
wxPanel* m_panelElectricalSpacing;
UNIT_SELECTOR_LEN* m_ElectricalSpacingUnitsSelector;
wxStaticLine* m_staticline2;
wxStaticText* m_staticText891;
wxTextCtrl* m_ElectricalSpacingVoltage;
wxButton* m_buttonElectSpacingRefresh;
wxStaticText* m_staticTextElectricalSpacing;
wxGrid* m_gridElectricalSpacingValues;
wxStaticText* m_staticText88;
wxPanel* m_panelAttenuators;
wxRadioBox* m_AttenuatorsSelection;
wxPanel* m_panelDisplayAttenuator;
wxStaticText* m_attenuationLabel;
wxTextCtrl* m_AttValueCtrl;
wxStaticText* m_attUnit;
wxStaticText* m_attenuationZinLabel;
wxTextCtrl* m_ZinValueCtrl;
wxStaticText* m_attZinUnit;
wxStaticText* m_ZoutLabel;
wxTextCtrl* m_ZoutValueCtrl;
wxStaticText* m_attZoutUnit;
wxButton* m_buttonAlcAtt;
wxBitmapButton* m_bpButtonCalcAtt;
wxStaticText* m_attenuatorR1Label;
wxTextCtrl* m_Att_R1_Value;
wxStaticText* m_attR1Unit;
wxStaticText* m_attenuatorR2Label;
wxTextCtrl* m_Att_R2_Value;
wxStaticText* m_attR2Unit1;
wxStaticText* m_attenuatorR3Label;
wxTextCtrl* m_Att_R3_Value;
wxStaticText* m_attR3Unit;
wxStaticText* m_staticTextAttMsg;
wxHtmlWindow* m_Attenuator_Messages;
wxHtmlWindow* m_panelAttFormula;
wxPanel* m_panelESeries;
wxStaticText* m_staticTextESeriesMsg111;
wxStaticText* m_ESrequired;
wxTextCtrl* m_ResRequired;
wxStaticText* m_UnitRegultR111;
wxStaticText* m_ESrequired1;
wxTextCtrl* m_ResExclude1;
wxStaticText* m_UnitRegultR1111;
wxStaticText* m_ESrequired11;
wxTextCtrl* m_ResExclude2;
wxStaticText* m_UnitRegultR1112;
wxRadioBox* m_rbESerieSelection;
wxStaticText* m_ESerieSimpleSolution;
wxTextCtrl* m_ESeries_Sol2R;
wxStaticText* m_ESeriesSimpleErr;
wxTextCtrl* m_ESeriesError2R;
wxStaticText* m_ESeriesSimplePercent;
wxStaticText* m_ESerie3RSolution1;
wxTextCtrl* m_ESeries_Sol3R;
wxStaticText* m_ESeriesAltErr;
wxTextCtrl* m_ESeriesError3R;
wxStaticText* m_ESeriesAltPercent;
wxStaticText* m_ESeries4RSolution;
wxTextCtrl* m_ESeries_Sol4R;
wxStaticText* m_ESeriesAltErr1;
wxTextCtrl* m_ESeriesError4R;
wxStaticText* m_ESeriesAltPercent1;
wxButton* m_buttonEScalculate;
wxHtmlWindow* m_panelESeriesHelp;
wxPanel* m_panelColorCode;
wxRadioBox* m_rbToleranceSelection;
wxStaticText* m_staticText31;
wxStaticText* m_staticText34;
wxStaticText* m_staticText35;
wxStaticText* m_Band4Label;
wxStaticText* m_staticText37;
wxStaticText* m_staticText38;
wxStaticBitmap* m_Band1bitmap;
wxStaticBitmap* m_Band2bitmap;
wxStaticBitmap* m_Band3bitmap;
wxStaticBitmap* m_Band4bitmap;
wxStaticBitmap* m_Band_mult_bitmap;
wxStaticBitmap* m_Band_tol_bitmap;
wxPanel* m_panelTransline;
wxRadioBox* m_TranslineSelection;
wxPanel* m_panelDisplayshape;
@ -298,46 +239,134 @@ class PCB_CALCULATOR_FRAME_BASE : public KIWAY_PLAYER
wxStaticText* m_left_message7;
wxStaticText* m_Message7;
wxButton* m_buttonTransLineReset;
wxPanel* m_panelAttenuators;
wxRadioBox* m_AttenuatorsSelection;
wxPanel* m_panelDisplayAttenuator;
wxStaticText* m_attenuationLabel;
wxTextCtrl* m_AttValueCtrl;
wxStaticText* m_attUnit;
wxStaticText* m_attenuationZinLabel;
wxTextCtrl* m_ZinValueCtrl;
wxStaticText* m_attZinUnit;
wxStaticText* m_ZoutLabel;
wxTextCtrl* m_ZoutValueCtrl;
wxStaticText* m_attZoutUnit;
wxButton* m_buttonAlcAtt;
wxBitmapButton* m_bpButtonCalcAtt;
wxStaticText* m_attenuatorR1Label;
wxTextCtrl* m_Att_R1_Value;
wxStaticText* m_attR1Unit;
wxStaticText* m_attenuatorR2Label;
wxTextCtrl* m_Att_R2_Value;
wxStaticText* m_attR2Unit1;
wxStaticText* m_attenuatorR3Label;
wxTextCtrl* m_Att_R3_Value;
wxStaticText* m_attR3Unit;
wxStaticText* m_staticTextAttMsg;
wxHtmlWindow* m_Attenuator_Messages;
wxHtmlWindow* m_panelAttFormula;
wxPanel* m_panelColorCode;
wxRadioBox* m_rbToleranceSelection;
wxStaticText* m_staticText31;
wxStaticText* m_staticText34;
wxStaticText* m_staticText35;
wxStaticText* m_Band4Label;
wxStaticText* m_staticText37;
wxStaticText* m_staticText38;
wxStaticBitmap* m_Band1bitmap;
wxStaticBitmap* m_Band2bitmap;
wxStaticBitmap* m_Band3bitmap;
wxStaticBitmap* m_Band4bitmap;
wxStaticBitmap* m_Band_mult_bitmap;
wxStaticBitmap* m_Band_tol_bitmap;
wxPanel* m_panelViaSize;
wxStaticText* m_staticTextHoleDia;
wxTextCtrl* m_textCtrlHoleDia;
UNIT_SELECTOR_LEN* m_choiceHoleDia;
wxStaticText* m_staticTextPlatingThickness;
wxTextCtrl* m_textCtrlPlatingThickness;
UNIT_SELECTOR_LEN* m_choicePlatingThickness;
wxStaticText* m_staticTextViaLength;
wxTextCtrl* m_textCtrlViaLength;
UNIT_SELECTOR_LEN* m_choiceViaLength;
wxStaticText* m_staticTextViaPadDia;
wxTextCtrl* m_textCtrlViaPadDia;
UNIT_SELECTOR_LEN* m_choiceViaPadDia;
wxStaticText* m_staticTextClearanceDia;
wxTextCtrl* m_textCtrlClearanceDia;
UNIT_SELECTOR_LEN* m_choiceClearanceDia;
wxStaticText* m_staticTextImpedance;
wxTextCtrl* m_textCtrlImpedance;
UNIT_SELECTOR_RESISTOR* m_choiceImpedance;
wxStaticText* m_staticAppliedCurrent;
wxTextCtrl* m_textCtrlAppliedCurrent;
wxStaticText* m_staticTextAppliedCurrentUnits;
wxStaticText* m_staticTextResistivity;
wxTextCtrl* m_textCtrlPlatingResistivity;
wxButton* m_button_ResistivityVia;
wxStaticText* m_staticTextPermittivity;
wxTextCtrl* m_textCtrlPlatingPermittivity;
wxButton* m_button_Permittivity;
wxStaticText* m_staticTextTemperatureDiff;
wxTextCtrl* m_textCtrlTemperatureDiff;
wxStaticText* m_staticTextTemperatureUnits;
wxStaticText* m_staticTextRiseTime;
wxTextCtrl* m_textCtrlRiseTime;
wxStaticText* m_staticTextRiseTimeUnits;
wxStaticLine* m_staticline31;
wxStaticBitmap* m_bitmap10;
wxStaticText* m_staticTextArea11;
wxStaticText* m_ViaResistance;
wxStaticText* m_IntTrackAreaUnitLabel1;
wxStaticText* m_staticText65111;
wxStaticText* m_ViaVoltageDrop;
wxStaticText* m_staticText8411;
wxStaticText* m_staticText66111;
wxStaticText* m_ViaPowerLoss;
wxStaticText* m_staticText8311;
wxStaticText* m_staticText79211;
wxStaticText* m_ViaThermalResistance;
wxStaticText* m_staticText791111;
wxStaticText* m_staticTextAmpacity;
wxStaticText* m_ViaAmpacity;
wxStaticText* m_staticTextAmpacityUnits;
wxStaticText* m_staticTextCapacitance;
wxStaticText* m_ViaCapacitance;
wxStaticText* m_staticTextCapacitanceUnits;
wxStaticText* m_staticTextRiseTimeOutput;
wxStaticText* m_RiseTimeOutput;
wxStaticText* m_staticTextRiseTimeOutputUnits;
wxStaticText* m_staticTextInductance;
wxStaticText* m_Inductance;
wxStaticText* m_staticTextInductanceUnits;
wxStaticText* m_staticTextReactance;
wxStaticText* m_Reactance;
wxStaticText* m_staticTextReactanceUnits;
wxStaticText* m_staticTextWarning;
wxButton* m_buttonViaReset;
wxPanel* m_panelTrackWidth;
wxStaticText* m_staticTextCurrent;
wxTextCtrl* m_TrackCurrentValue;
wxStaticText* m_staticText62;
wxStaticText* m_staticText63;
wxTextCtrl* m_TrackDeltaTValue;
wxStaticText* m_staticText64;
wxStaticText* m_staticText66;
wxTextCtrl* m_TrackLengthValue;
UNIT_SELECTOR_LEN* m_TW_CuLength_choiceUnit;
wxTextCtrl* m_TWResistivity;
wxStaticText* m_staticText103;
wxStaticText* m_staticText104;
wxHtmlWindow* m_htmlWinFormulas;
wxStaticText* m_staticTextExtWidth;
wxTextCtrl* m_ExtTrackWidthValue;
UNIT_SELECTOR_LEN* m_TW_ExtTrackWidth_choiceUnit;
wxStaticText* m_staticText65;
wxTextCtrl* m_ExtTrackThicknessValue;
UNIT_SELECTOR_THICKNESS* m_ExtTrackThicknessUnit;
wxStaticLine* m_staticline3;
wxStaticLine* m_staticline4;
wxStaticLine* m_staticline5;
wxStaticText* m_staticTextArea;
wxStaticText* m_ExtTrackAreaValue;
wxStaticText* m_ExtTrackAreaUnitLabel;
wxStaticText* m_staticText651;
wxStaticText* m_ExtTrackResistValue;
wxStaticText* m_staticText84;
wxStaticText* m_staticText661;
wxStaticText* m_ExtTrackVDropValue;
wxStaticText* m_staticText83;
wxStaticText* m_staticText79;
wxStaticText* m_ExtTrackLossValue;
wxStaticText* m_staticText791;
wxStaticText* m_staticTextIntWidth;
wxTextCtrl* m_IntTrackWidthValue;
UNIT_SELECTOR_LEN* m_TW_IntTrackWidth_choiceUnit;
wxStaticText* m_staticText652;
wxTextCtrl* m_IntTrackThicknessValue;
UNIT_SELECTOR_THICKNESS* m_IntTrackThicknessUnit;
wxStaticText* m_staticTextArea1;
wxStaticText* m_IntTrackAreaValue;
wxStaticText* m_IntTrackAreaUnitLabel;
wxStaticText* m_staticText6511;
wxStaticText* m_IntTrackResistValue;
wxStaticText* m_staticText841;
wxStaticText* m_staticText6611;
wxStaticText* m_IntTrackVDropValue;
wxStaticText* m_staticText831;
wxStaticText* m_staticText792;
wxStaticText* m_IntTrackLossValue;
wxStaticText* m_staticText7911;
wxButton* m_buttonTrackWidthReset;
wxPanel* m_panelElectricalSpacing;
UNIT_SELECTOR_LEN* m_ElectricalSpacingUnitsSelector;
wxStaticLine* m_staticline2;
wxStaticText* m_staticText891;
wxTextCtrl* m_ElectricalSpacingVoltage;
wxButton* m_buttonElectSpacingRefresh;
wxStaticText* m_staticTextElectricalSpacing;
wxGrid* m_gridElectricalSpacingValues;
wxStaticText* m_staticText88;
wxPanel* m_panelBoardClass;
UNIT_SELECTOR_LEN* m_BoardClassesUnitsSelector;
wxStaticText* m_staticTextBrdClass;
@ -354,18 +383,12 @@ class PCB_CALCULATOR_FRAME_BASE : public KIWAY_PLAYER
virtual void OnEditRegulator( wxCommandEvent& event ) { event.Skip(); }
virtual void OnAddRegulator( wxCommandEvent& event ) { event.Skip(); }
virtual void OnRemoveRegulator( wxCommandEvent& event ) { event.Skip(); }
virtual void OnTWCalculateFromCurrent( wxCommandEvent& event ) { event.Skip(); }
virtual void OnTWParametersChanged( wxCommandEvent& event ) { event.Skip(); }
virtual void OnTWCalculateFromExtWidth( wxCommandEvent& event ) { event.Skip(); }
virtual void OnTWCalculateFromIntWidth( wxCommandEvent& event ) { event.Skip(); }
virtual void OnTWResetButtonClick( wxCommandEvent& event ) { event.Skip(); }
virtual void OnViaCalculate( wxCommandEvent& event ) { event.Skip(); }
virtual void OnViaRho_Button( wxCommandEvent& event ) { event.Skip(); }
virtual void OnViaEpsilonR_Button( wxCommandEvent& event ) { event.Skip(); }
virtual void onUpdateViaCalcErrorText( wxUpdateUIEvent& event ) { event.Skip(); }
virtual void OnViaResetButtonClick( wxCommandEvent& event ) { event.Skip(); }
virtual void OnElectricalSpacingUnitsSelection( wxCommandEvent& event ) { event.Skip(); }
virtual void OnElectricalSpacingRefresh( wxCommandEvent& event ) { event.Skip(); }
virtual void OnAttenuatorSelection( wxCommandEvent& event ) { event.Skip(); }
virtual void OnPaintAttenuatorPanel( wxPaintEvent& event ) { event.Skip(); }
virtual void OnCalculateAttenuator( wxCommandEvent& event ) { event.Skip(); }
virtual void OnESerieSelection( wxCommandEvent& event ) { event.Skip(); }
virtual void OnCalculateESeries( wxCommandEvent& event ) { event.Skip(); }
virtual void OnToleranceSelection( wxCommandEvent& event ) { event.Skip(); }
virtual void OnTranslineSelection( wxCommandEvent& event ) { event.Skip(); }
virtual void OnPaintTranslinePanel( wxPaintEvent& event ) { event.Skip(); }
virtual void OnTranslineEpsilonR_Button( wxCommandEvent& event ) { event.Skip(); }
@ -374,16 +397,24 @@ class PCB_CALCULATOR_FRAME_BASE : public KIWAY_PLAYER
virtual void OnTranslineAnalyse( wxCommandEvent& event ) { event.Skip(); }
virtual void OnTranslineSynthetize( wxCommandEvent& event ) { event.Skip(); }
virtual void OnTransLineResetButtonClick( wxCommandEvent& event ) { event.Skip(); }
virtual void OnAttenuatorSelection( wxCommandEvent& event ) { event.Skip(); }
virtual void OnPaintAttenuatorPanel( wxPaintEvent& event ) { event.Skip(); }
virtual void OnCalculateAttenuator( wxCommandEvent& event ) { event.Skip(); }
virtual void OnToleranceSelection( wxCommandEvent& event ) { event.Skip(); }
virtual void OnViaCalculate( wxCommandEvent& event ) { event.Skip(); }
virtual void OnViaRho_Button( wxCommandEvent& event ) { event.Skip(); }
virtual void OnViaEpsilonR_Button( wxCommandEvent& event ) { event.Skip(); }
virtual void onUpdateViaCalcErrorText( wxUpdateUIEvent& event ) { event.Skip(); }
virtual void OnViaResetButtonClick( wxCommandEvent& event ) { event.Skip(); }
virtual void OnTWCalculateFromCurrent( wxCommandEvent& event ) { event.Skip(); }
virtual void OnTWParametersChanged( wxCommandEvent& event ) { event.Skip(); }
virtual void OnTWCalculateFromExtWidth( wxCommandEvent& event ) { event.Skip(); }
virtual void OnTWCalculateFromIntWidth( wxCommandEvent& event ) { event.Skip(); }
virtual void OnTWResetButtonClick( wxCommandEvent& event ) { event.Skip(); }
virtual void OnElectricalSpacingUnitsSelection( wxCommandEvent& event ) { event.Skip(); }
virtual void OnElectricalSpacingRefresh( wxCommandEvent& event ) { event.Skip(); }
virtual void OnBoardClassesUnitsSelection( wxCommandEvent& event ) { event.Skip(); }
public:
PCB_CALCULATOR_FRAME_BASE( wxWindow* parent, wxWindowID id = wxID_ANY, const wxString& title = _("PCB Calculator"), const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxSize( -1,-1 ), long style = wxDEFAULT_FRAME_STYLE|wxRESIZE_BORDER|wxFULL_REPAINT_ON_RESIZE|wxTAB_TRAVERSAL, const wxString& name = wxT("pcb_calculator") );
PCB_CALCULATOR_FRAME_BASE( wxWindow* parent, wxWindowID id = wxID_ANY, const wxString& title = _("PCB Calculator"), const wxPoint& pos = wxDefaultPosition, const wxSize& size = wxSize( 999,715 ), long style = wxDEFAULT_FRAME_STYLE|wxRESIZE_BORDER|wxFULL_REPAINT_ON_RESIZE|wxTAB_TRAVERSAL, const wxString& name = wxT("pcb_calculator") );
~PCB_CALCULATOR_FRAME_BASE();

409
pcb_calculator/eserie.cpp Normal file
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@ -0,0 +1,409 @@
/*
* This program source code file
* is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2020 <janvi@veith.net>
* Copyright (C) 2020 KiCad Developers, see AUTHORS.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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include <dialog_helpers.h>
#include <pcb_calculator.h>
#include <wx/wx.h>
#include <array>
#include <iostream>
#include <string>
#include <sys/time.h>
#include <vector>
#include "eserie.h"
#include "profile.h"
wxString eseries_help =
#include "eserie_help.h"
eserie r;
void eserie::set_reqR( double aR )
{
reqR = aR;
}
void eserie::set_rb( uint32_t a_rb )
{
rb_state = a_rb;
}
uint32_t eserie::get_rb( void )
{
return rb_state;
}
std::array<r_data, S4R + 1> eserie::get_rslt( void )
{
return results;
}
void eserie::exclude( double aValue )
{
if( aValue ) // if there is a value to exclude other than a wire jumper
{
for( r_data& i : luts[rb_state] ) // then search it in the selected E-Serie lookup table
{
if( i.e_value == aValue ) // if value to exclude found
{
i.e_use = false; // disable its use
}
}
}
}
void eserie::simple_solution( uint32_t aSize )
{
uint32_t i;
results[S2R].e_value = std::numeric_limits<double>::max(); // assume no 2R solution or max deviation
for( i = 0; i < aSize; i++ )
{
if( abs( cmb_lut[i].e_value - reqR ) < abs( results[S2R].e_value ) )
{
results[S2R].e_value = cmb_lut[i].e_value - reqR; // save signed deviation in Ohms
results[S2R].e_name = cmb_lut[i].e_name; // save combination text
results[S2R].e_use = true; // this is a possible solution
}
}
}
void eserie::combine4( uint32_t aSize )
{
uint32_t i,j;
double tmp;
std::string s;
results[S4R].e_use = false; // disable 4R solution, until
results[S4R].e_value = results[S3R].e_value; // 4R becomes better than 3R solution
#ifdef BENCHMARK
PROF_COUNTER combine4_timer; // start timer to count execution time
#endif
for( i = 0; i < aSize; i++ ) // 4R search outer loop
{ // scan valid intermediate 2R solutions
for( j = 0; j < aSize; j++ ) // inner loop combines all with itself
{
tmp = cmb_lut[i].e_value + cmb_lut[j].e_value; // calculate 2R+2R serial
tmp -= reqR; // calculate 4R deviation
if( abs( tmp ) < abs( results[S4R].e_value ) ) // if new 4R is better
{
results[S4R].e_value = tmp; // save amount of benefit
std::string s = "( ";
s.append( cmb_lut[i].e_name ); // mention 1st 2 component
s.append( " ) + ( " ); // in series
s.append( cmb_lut[j].e_name ); // with 2nd 2 components
s.append( " )" );
results[S4R].e_name = s; // save the result and
results[S4R].e_use = true; // enable for later use
}
tmp = ( cmb_lut[i].e_value * cmb_lut[j].e_value ) /
( cmb_lut[i].e_value + cmb_lut[j].e_value ); // calculate 2R|2R parallel
tmp -= reqR; // calculate 4R deviation
if( abs( tmp ) < abs( results[S4R].e_value ) ) // if new 4R is better
{
results[S4R].e_value = tmp; // save amount of benefit
std::string s = "( ";
s.append( cmb_lut[i].e_name ); // mention 1st 2 component
s.append( " ) | ( " ); // in parallel
s.append( cmb_lut[j].e_name ); // with 2nd 2 components
s.append( " )" );
results[S4R].e_name = s; // save the result
results[S4R].e_use = true; // enable later use
}
}
}
#ifdef BENCHMARK
if( rb_state == E12 )
{
std::cout<<"4R Time = "<<combine4_timer.msecs()<<" mSec"<<std::endl;
}
#endif
}
void eserie::new_calc( void )
{
for( r_data& i : cmb_lut )
{
i.e_use = false; // before any calculation is done, assume that
}
for( r_data& i : results )
{
i.e_use = false; // no combinations and no results are available
}
for( r_data& i : luts[rb_state])
{
i.e_use = true; // all selecte E-values available
}
}
uint32_t eserie::combine2( void )
{
uint32_t combi2R = 0; // target index counts calculated 2R combinations
std::string s;
for( const r_data& i : luts[rb_state] ) // outer loop to sweep selected source lookup table
{
if( i.e_use )
{
for( const r_data& j : luts[rb_state] ) // inner loop to combine values with itself
{
if( j.e_use )
{
cmb_lut[combi2R].e_use = true;
cmb_lut[combi2R].e_value = i.e_value + j.e_value; // calculate 2R serial
s = i.e_name;
s.append( " + " );
cmb_lut[combi2R].e_name = s.append(j.e_name);
combi2R++; // next destination
cmb_lut[combi2R].e_use = true; // calculate 2R parallel
cmb_lut[combi2R].e_value = i.e_value * j.e_value /
( i.e_value + j.e_value );
s = i.e_name;
s.append( " | " );
cmb_lut[combi2R].e_name = s.append( j.e_name );
combi2R++; // next destination
}
}
}
}
return ( combi2R );
}
void eserie::combine3( uint32_t aSize )
{
uint32_t j = 0;
double tmp = 0; // avoid warning for being uninitialized
std::string s;
results[S3R].e_use = false; // disable 3R solution, until
results[S3R].e_value = results[S2R].e_value; // 3R becomes better than 2R solution
for( const r_data& i : luts[rb_state] ) // 3R Outer loop to selected primary E serie LUT
{
if( i.e_use ) // skip all excluded values
{
for( j = 0; j < aSize; j++ ) // inner loop combines with all 2R intermediate results
{ // R+2R serial combi
tmp = cmb_lut[j].e_value + i.e_value;
tmp -= reqR; // calculate deviation
if( abs( tmp ) < abs( results[S3R].e_value ) ) // compare if better
{ // then take it
s = i.e_name; // mention 3rd component
s.append( " + ( " ); // in series
s.append( cmb_lut[j].e_name ); // with 2R combination
s.append( " )" );
results[S3R].e_name = s; // save S3R result
results[S3R].e_value = tmp; // save amount of benefit
results[S3R].e_use = true; // enable later use
}
tmp = i.e_value * cmb_lut[j].e_value /
( i.e_value + cmb_lut[j].e_value ); // calculate R + 2R parallel
tmp -= reqR; // calculate deviation
if( abs( tmp ) < abs( results[S3R].e_value ) ) // compare if better
{ // then take it
s = i.e_name; // mention 3rd component
s.append( " | ( " ); // in parallel
s.append( cmb_lut[j].e_name ); // with 2R combination
s.append( " )" );
results[S3R].e_name = s;
results[S3R].e_value = tmp; // save amount of benefit
results[S3R].e_use = true; // enable later use
}
}
}
}
// if there is a 3R result with remaining deviation
if( ( results[S3R].e_use == true ) && tmp )
{ // consider to search a possibly better 4R solution
combine4( aSize ); // calculate 4R for small series always
}
}
void eserie::calculate( void )
{
uint32_t no_of_2Rcombi = 0;
no_of_2Rcombi = combine2(); // combine all 2R combinations for selected E serie
simple_solution( no_of_2Rcombi ); // search for simple 2 component solution
if( results[S2R].e_value ) // if simple 2R result is not exact
{
combine3( no_of_2Rcombi ); // continiue searching for a possibly better solution
}
strip3();
strip4();
}
void eserie::strip3( void )
{
std::string s;
if( results[S3R].e_use ) // if there is a 3 term result available
{ // what is connected either by two "|" or by 3 plus
s = results[S3R].e_name;
if( ( std::count( s.begin(), s.end(), '+' ) == 2 ) || \
( std::count( s.begin(), s.end(), '|' ) == 2 ) )
{ // then strip one pair of braces
s.erase( s.find( "(" ), 1 ); // it is known sure, this is available
s.erase( s.find( ")" ), 1 ); // in any unstripped 3R result term
results[S3R].e_name = s; // use stripped result
}
}
}
void eserie::strip4( void )
{
std::string s;
if( results[S4R].e_use ) // if there is a 4 term result available
{ // what are connected either by 3 "+" or by 3 "|"
s = results[S4R].e_name;
if( ( std::count( s.begin(), s.end(), '+' ) == 3 ) ||
( std::count( s.begin(), s.end(), '|' ) == 3 ) )
{ // then strip two pair of braces
s.erase( s.find( "(" ), 1 ); // it is known sure, they are available
s.erase( s.find( ")" ), 1 ); // in any unstripped 4R result term
s.erase( s.find( "(" ), 1 );
s.erase( s.find( ")" ), 1 );
results[S4R].e_name = s; // use stripped result
}
}
}
void PCB_CALCULATOR_FRAME::OnCalculateESeries( wxCommandEvent& event )
{
double reqr; // required resistor stored in local copy
double error, err3 = 0;
wxString es, fs; // error and formula strings
reqr = ( 1000 * DoubleFromString( m_ResRequired->GetValue() ) );
r.set_reqR(reqr); // keep a local copy of requred resistor value
r.new_calc(); // assume all values available
/*
* Exclude itself. For the case, a value from the available series is found as required value,
* the calculator assumes this value needs a replacement for the reason of being not available.
* Two further exclude values can be entered to exclude and are skipped as not being availabe.
* All values entered in KiloOhms are converted to Ohm for internal calculation
*/
r.exclude( 1000 * DoubleFromString( m_ResRequired->GetValue() ) );
r.exclude( 1000 * DoubleFromString( m_ResExclude1->GetValue() ) );
r.exclude( 1000 * DoubleFromString( m_ResExclude2->GetValue() ) );
r.calculate();
fs = r.get_rslt()[S2R].e_name; // show 2R solution formula string
m_ESeries_Sol2R->SetValue( fs );
error = reqr + r.get_rslt()[S2R].e_value; // absolute value of solution
error = ( reqr / error - 1 ) * 100; // error in percent
if( error )
{
es.Printf( "%+.2f",error); // if 2R solution with error
}
else
{
es = "Exact"; // 2R solution is already exact
}
m_ESeriesError2R->SetValue( es ); // anyway show 2R error string
if( r.get_rslt()[S3R].e_use ) // if 3R solution available
{
err3 = reqr + r.get_rslt()[S3R].e_value; // calculate the 3R
err3 = ( reqr / err3 - 1 ) * 100; // error in percent
if( err3 ) // build 3R error string
{
es.Printf( "%+.2f",err3);
}
else
{
es = "Exact";
}
m_ESeriesError3R->SetValue( es ); // show 3R error string
fs = r.get_rslt()[S3R].e_name;
m_ESeries_Sol3R->SetValue( fs ); // show 3R formula string
}
else // nothing better than 2R found
{
fs = "Not worth using";
m_ESeries_Sol3R->SetValue( fs );
m_ESeriesError3R->SetValue( wxEmptyString );
}
fs = wxEmptyString;
if( r.get_rslt()[S4R].e_use ) // show 4R solution if available
{
fs = r.get_rslt()[S4R].e_name;
error = reqr + r.get_rslt()[S4R].e_value; // absolute value of solution
error = ( reqr / error - 1 ) * 100; // error in percent
if( error )
{
es.Printf( "%+.2f",error );
}
else
{
es = "Exact";
}
m_ESeriesError4R->SetValue( es );
}
else // no 4R solution
{
fs = "Not worth using";
es = wxEmptyString;
m_ESeriesError4R->SetValue( es );
}
m_ESeries_Sol4R->SetValue( fs );
}
void PCB_CALCULATOR_FRAME::OnESerieSelection( wxCommandEvent& event )
{
r.set_rb ( event.GetSelection() );
}
void PCB_CALCULATOR_FRAME::ES_Init() // initialize ESeries tab at each pcb-calculator start
{
wxString msg;
// show markdown formula explanation in lower help panel
ConvertMarkdown2Html( wxGetTranslation( eseries_help ), msg );
m_panelESeriesHelp->SetPage( msg );
}

241
pcb_calculator/eserie.h Normal file
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@ -0,0 +1,241 @@
/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2020 <janvi@veith.net>
* Copyright (C) 2020 KiCad Developers, see AUTHORS.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 3 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, see <http://www.gnu.org/licenses/>.
*/
/**
* @file eserie.h
*/
extern double DoubleFromString( const wxString& TextValue );
/**
* If BENCHMARK is defined, any 4R E12 calculations will print its execution time to console
* My Hasswell Enthusiast reports 225 mSec what are reproducable within plusminus 2 percent
*/
#define BENCHMARK
/**
* E-Values derived from a geometric sequence formula by Charles Renard were already
* accepted and widely used before the ISO recommendation no. 3 has been published.
* For this historical reason, rounding rules of some values are sometimes irregular.
* Although all E-Values could be calculated at runtime, we initialize them in a lookup table
* what seems the most easy way to consider any inconvenient irregular rules. Same table is
* also used to lookup non calculatable but readable BOM value strings. Supported E-series are:
*/
enum { E1, E3, E6, E12 };
/**
* This calculator suggests solutions for 2R, 3R and 4R replacement combinations
*/
enum { S2R, S3R, S4R };
/**
* 6 decade E-series values from 10 Ohms to 1M and its associated BOM strings.
* Series E3,E6,E12 are defined by additional values for cumulative use with previous series
*/
#define E1_VAL { true, "1K", 1000 },\
{ true, "10K", 10000 },\
{ true, "100K", 100000 },\
{ true, "10R", 10 },\
{ true, "100R", 100 },\
{ true, "1M", 1000000 }
#define E3_ADD { true, "22R", 22 },\
{ true, "47R", 47 },\
{ true, "220R", 220 },\
{ true, "470R", 470 },\
{ true, "2K2", 2200 },\
{ true, "4K7", 4700 },\
{ true, "22K", 22000 },\
{ true, "47K", 47000 },\
{ true, "220K", 220000 },\
{ true, "470K", 470000 }
#define E6_ADD { true, "15R", 15 },\
{ true, "33R", 33 },\
{ true, "68R", 68 },\
{ true, "150R", 150 },\
{ true, "330R", 330 },\
{ true, "680R", 680 },\
{ true, "1K5", 1500 },\
{ true, "3K3", 3300 },\
{ true, "6K8", 6800 },\
{ true, "15K", 15000 },\
{ true, "33K", 33000 },\
{ true, "68K", 68000 },\
{ true, "150K", 150000 },\
{ true, "330K", 330000 },\
{ true, "680K", 680000 }
#define E12_ADD { true, "12R", 12 },\
{ true, "18R", 18 },\
{ true, "27R", 27 },\
{ true, "39R", 39 },\
{ true, "56R", 56 },\
{ true, "82R", 82 },\
{ true, "120R", 120 },\
{ true, "180R", 180 },\
{ true, "270R", 270 },\
{ true, "390R", 390 },\
{ true, "560R", 560 },\
{ true, "820R", 820 },\
{ true, "1K2", 1200 },\
{ true, "1K8", 1800 },\
{ true, "2K7", 2700 },\
{ true, "3K9", 3900 },\
{ true, "5K6", 5600 },\
{ true, "8K2", 8200 },\
{ true, "12K", 12000 },\
{ true, "18K", 18000 },\
{ true, "27K", 27000 },\
{ true, "39K", 39000 },\
{ true, "56K", 56000 },\
{ true, "82K", 82000 },\
{ true, "120K", 120000 },\
{ true, "180K", 180000 },\
{ true, "270K", 270000 },\
{ true, "390K", 390000 },\
{ true, "560K", 560000 },\
{ true, "820K", 820000 }
struct r_data {
bool e_use;
std::string e_name;
double e_value;
};
class eserie
{
private:
std::vector<std::vector<r_data>> luts {
{ E1_VAL },
{ E1_VAL, E3_ADD },
{ E1_VAL, E3_ADD, E6_ADD },
{ E1_VAL, E3_ADD, E6_ADD, E12_ADD }
};
/*
* TODO: Manual array size calculation is dangerous. Unlike legacy ANSI-C Arrays
* std::array can not drop length param by providing aggregate init list up
* to C++17. Reserved array size should be 2*E12² of std::vector primary list.
* Exceeding memory limit 7442 will crash the calculator without any warnings !
* Compare to previous MAX_COMB macro for legacy ANSI-C array automatic solution
* #define E12_SIZE sizeof ( e12_lut ) / sizeof ( r_data )
* #define MAX_COMB (2 * E12_SIZE * E12_SIZE)
* 2 component combinations including redundant swappable terms are for the moment
* 72 combinations for E1
* 512 combinations for E3
* 1922 combinations for E6
* 7442 combinations for E12
*/
#define MAX_CMB 7442 // maximum combinations for E12
std::array<r_data,MAX_CMB> cmb_lut; // intermediate 2R combinations
std::array<r_data,S4R+1> results; // 2R, 3R and 4R results
uint32_t rb_state = E6; // Radio Button State
uint32_t cb_state = false; // Check Box 4R enable
double reqR; // required Resistor
/**
* Build all 2R combinations from the selected E-serie values
*
* Pre-calculated value combinations are saved in intermediate look up table cmb_lut
* @return is the number of found combinations what also depends from exclude values
*/
uint32_t combine2( void );
/**
* Search for closest two component solution
*
* @param aSize is the number of valid 2R combinations in cmb_lut on where to search
* The 2R result with smallest deviation will be saved in results
*/
void simple_solution( uint32_t aSize );
/**
* Check if there is a better 3 R solution than previous one using only two components.
*
* @param aSize gives the number of available combinations to be checked inside cmb_lut
* Therefore cmb_lut is combinated with the primary E-serie look up table
* The 3R result with smallest deviation will be saved in results if better than 2R
*/
void combine3( uint32_t aSize );
/**
* Check if there is a better four component solution.
*
* @param aSsize gives the number of 2R combinations to be checked inside cmb_lut
* Occupied calculation time depends from number of available E-serie values
* with the power of 4 why execution for E12 is conditional with 4R check box
* for the case the previously found 3R solution is already exact
*/
void combine4( uint32_t aSize );
/*
* Strip redundant braces from three component result
*
* Example: R1+(R2+R3) become R1+R2+R3
* and R1|(R2|R3) become R1|R2|R3
* while R1+(R2|R3) or (R1+R2)|R3) remains untouched
*/
void strip3( void );
/*
* Strip redundant braces from four component result
*
* Example: (R1+R2)+(R3+R4) become R1+R2+R3+R4
* and (R1|R2)|(R2|R3) become R1|R2|R3|R4
* while (R1+R2)|(R3+R4) remains untouched
*/
void strip4( void );
public:
/**
* If any value of the selected E-serie not available, it can be entered as an exclude value.
*
* @param aValue is the value to exclude from calculation
* Values to exclude are set to false in the selected E-serie source lookup table
*/
void exclude( double aValue );
/**
* initialize next calculation and erase results from previous calculation
*/
void new_calc( void );
/**
* called on calculate button to execute all the 2R, 3R and 4R calculations
*/
void calculate( void );
/**
* Interface for CheckBox, RadioButton, RequriedResistor and calculated Results
*/
void set_4R_cb ( bool a_tb );
bool get_4R_cb ( void );
void set_rb ( uint32_t a_rb );
uint32_t get_rb ( void );
void set_reqR ( double aR );
std::array<r_data,S4R+1> get_rslt ( void );
};

33
pcb_calculator/eserie_help.h Normal file
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@ -0,0 +1,33 @@
// Do not edit this file, it is autogenerated by CMake from the .md file
_HKI( "E-series defined in IEC 60063 are a widely accepted system of preferred\n"
"numbers for electronic components. Available values are approximately\n"
"equally spaced in a logarithmic scale. Although E-series are used for\n"
"Zener diodes, inductors and other components, this calculator is mainly\n"
"intended for resistors.\n"
"\n"
" E12: 1,0 1,2 1,5 1,8 2,2 2,7 3,3 3,9 4,7 5,6 6,8 8,2\n"
" E6: 1,0 - 1,5 - 2,2 - 3,3 - 4,7 - 6,8 -\n"
" E3: 1,0 - - - 2,2 - - - 4,7 - - -\n"
" E1: 1,0 - - - - - - - - - - -\n"
"If your design requires any resistor value which is not readily available,\n"
"this calculator will find a combination of standard E-series components to\n"
"create it. You can enter the required resistance from 0,0025 to 4000 KOhm. \n"
"Solutions using 3 or 4 resistors are given if a better match can be found. \n"
"The 4R checkbox option will take longer to process is considered for the E12\n"
"series only. Optionally it is possible to exclude up to two additional\n"
"values from the solution for the reason of being not available. If a\n"
"E-series value is entered to the required input field, it is always excluded\n"
"from any solution as it is assumed that this value is unavailable.\n"
"\n"
"Solutions are given in the following formats:\n"
"\n"
" R1 + R2 +...+ Rn resistors in series\n"
" R1 | R2 |...| Rn resistors in parallel\n"
" R1 + (R2|R3)... any combination of the above\n"
"__Example:__ Voltage dividers, commonly used for 1:10 range selection\n"
"require resistor ratio values 1:9. Unfortunately the \"9\" is a value, what\n"
"is not even in the E192 series available. Deviation of 1% and more is yet\n"
"unacceptable for 8 bit accuracy. For a required resistor value of 9 KOhm,\n"
"the calculator suggests the E6 values 2k2 + 6k8 in series as a possible\n"
"exact solution.\n"
"" );

31
pcb_calculator/eserie_help.md Normal file
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@ -0,0 +1,31 @@
E-series defined in IEC 60063 are a widely accepted system of preferred
numbers for electronic components. Available values are approximately
equally spaced in a logarithmic scale. Although E-series are used for
Zener diodes, inductors and other components, this calculator is mainly
intended for resistors.
E12: 1,0 1,2 1,5 1,8 2,2 2,7 3,3 3,9 4,7 5,6 6,8 8,2
E6: 1,0 - 1,5 - 2,2 - 3,3 - 4,7 - 6,8 -
E3: 1,0 - - - 2,2 - - - 4,7 - - -
E1: 1,0 - - - - - - - - - - -
If your design requires any resistor value which is not readily available,
this calculator will find a combination of standard E-series components to
create it. You can enter the required resistance from 0,0025 to 4000 KOhm.
Solutions using 3 or 4 resistors are given if a better match can be found.
The 4R checkbox option will take longer to process is considered for the E12
series only. Optionally it is possible to exclude up to two additional
values from the solution for the reason of being not available. If a
E-series value is entered to the required input field, it is always excluded
from any solution as it is assumed that this value is unavailable.
Solutions are given in the following formats:
R1 + R2 +...+ Rn resistors in series
R1 | R2 |...| Rn resistors in parallel
R1 + (R2|R3)... any combination of the above
__Example:__ Voltage dividers, commonly used for 1:10 range selection
require resistor ratio values 1:9. Unfortunately the "9" is a value, what
is not even in the E192 series available. Deviation of 1% and more is yet
unacceptable for 8 bit accuracy. For a required resistor value of 9 KOhm,
the calculator suggests the E6 values 2k2 + 6k8 in series as a possible
exact solution.

21
pcb_calculator/pcb_calculator.h
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@ -67,7 +67,6 @@ private:
std::vector<ATTENUATOR*> m_attenuator_list;
wxString m_lastSelectedRegulatorName; // last regulator name selected
public:
PCB_CALCULATOR_FRAME( KIWAY* aKiway, wxWindow* aParent );
~PCB_CALCULATOR_FRAME();
@ -102,13 +101,31 @@ private:
void SetDataFilename( const wxString& aFilename );
// Trace width / maximum current capability calculations.
/**
* Function TW_Init
* Read config and init dialog widgets values
*/
void TW_Init();
/**
* E-Series Resistor calculator Panel
* Called on calculator start to display markdown formula explanations
*/
void ES_Init( void );
/**
* Called on calculate button and executes all E-series calculations
*
*/
void OnCalculateESeries( wxCommandEvent& event ) override;
/**
* Radio Buttons to select the E-serie for the resistor calculator
* @param event contains the radio button state
*/
void OnESerieSelection( wxCommandEvent& event ) override;
/**
* Function TW_WriteConfig
* Write Track width parameters in config

5
pcb_calculator/pcb_calculator_frame.cpp
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@ -70,8 +70,9 @@ PCB_CALCULATOR_FRAME::PCB_CALCULATOR_FRAME( KIWAY* aKiway, wxWindow* aParent ) :
TranslineTypeSelection( m_currTransLineType );
m_TranslineSelection->SetSelection( m_currTransLineType );
TW_Init();
VS_Init();
TW_Init(); // Track Width
VS_Init(); // Via Size
ES_Init(); // E-Series
SetAttenuator( m_AttenuatorsSelection->GetSelection() );