119 lines
3.4 KiB
C++
119 lines
3.4 KiB
C++
/**
|
|
* @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("%g"), r1);
|
|
m_RegulR1Value->SetValue(txt);
|
|
txt.Printf(wxT("%g"), r2);
|
|
m_RegulR2Value->SetValue(txt);
|
|
txt.Printf(wxT("%g"), vref);
|
|
m_RegulVrefValue->SetValue(txt);
|
|
txt.Printf(wxT("%g"), vout);
|
|
m_RegulVoutValue->SetValue(txt);
|
|
|
|
}
|
|
|