119 lines
3.4 KiB
C++
119 lines
3.4 KiB
C++
/**
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* @file regulators_funct.cpp
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*/
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/*
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* This program source code file is part of KICAD, a free EDA CAD application.
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*
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* Copyright (C) 1992-2011 jean-pierre.charras
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* Copyright (C) 1992-2011 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
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* 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,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* 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
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* 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
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* or you may search the http://www.gnu.org website for the version 2 license,
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* 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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*/
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#include <wx/wx.h>
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#include <wx/config.h>
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#include <pcb_calculator.h>
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extern double ReturnDoubleFromString( const wxString& TextValue );
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void PCB_CALCULATOR_FRAME::OnRegulatorCalcButtonClick( wxCommandEvent& event )
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{
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RegulatorsSolve();
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}
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// Calculate a value from the 3 other values
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// Vref is given by the regulator properties, so
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// we can calculate only R1, R2 or Vout
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void PCB_CALCULATOR_FRAME::RegulatorsSolve()
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{
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int id;
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if( m_rbRegulR1->GetValue() )
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id = 0; // for R1 calculation
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else if( m_rbRegulR2->GetValue() )
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id = 1; // for R2 calculation
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else if( m_rbRegulVout->GetValue() )
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id = 2; // for Vout calculation
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else
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{
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wxMessageBox( wxT("Selection error" ) );
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return;
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}
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double r1, r2, vref, vout;
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wxString txt;
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m_RegulMessage->SetLabel( wxEmptyString);
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// Read values from panel:
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txt = m_RegulR1Value->GetValue();
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r1 = ReturnDoubleFromString(txt);
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txt = m_RegulR2Value->GetValue();
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r2 = ReturnDoubleFromString(txt);
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txt = m_RegulVrefValue->GetValue();
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vref = ReturnDoubleFromString(txt);
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txt = m_RegulVoutValue->GetValue();
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vout = ReturnDoubleFromString(txt);
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// Some tests:
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if( vout < vref && id != 2)
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{
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m_RegulMessage->SetLabel( _(" Vout must be greater than vref" ) );
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return;
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}
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if( vref == 0.0 )
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{
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m_RegulMessage->SetLabel( _(" Vref set to 0 !" ) );
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return;
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}
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if( (r1 < 0 && id != 0 ) || (r2 <= 0 && id != 1) )
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{
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m_RegulMessage->SetLabel( _("Incorrect value for R1 R2" ) );
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return;
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}
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// Calculate
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switch( id )
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{
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case 0:
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r1 = ( vout / vref - 1 ) * r2;
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break;
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case 1:
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r2 = r1 / ( vout / vref - 1);
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break;
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case 2:
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vout = vref * (r1 + r2) / r2;
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break;
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}
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// write values to panel:
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txt.Printf(wxT("%g"), r1);
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m_RegulR1Value->SetValue(txt);
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txt.Printf(wxT("%g"), r2);
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m_RegulR2Value->SetValue(txt);
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txt.Printf(wxT("%g"), vref);
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m_RegulVrefValue->SetValue(txt);
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txt.Printf(wxT("%g"), vout);
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m_RegulVoutValue->SetValue(txt);
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}
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