151 lines
5.3 KiB
C++
151 lines
5.3 KiB
C++
/*
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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) 2011 jean-pierre.charras
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* Copyright (C) 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/app.h>
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#include "pcb_calculator_frame.h"
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#include "units_scales.h"
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extern double DoubleFromString( const wxString& TextValue );
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#define VALUE_COUNT 7
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#define CLASS_COUNT 10
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/* These values come from IPC2221
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* there are 10 voltage classes:
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* "0 ... 15V" "16 ... 30V" "31 ... 50V" "51 ... 100V"
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* "101 ... 150V" "151 ... 170V" "171 ... 250V"
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* "251 ... 300V" "301 ... 500V" " > 500V"
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* and for each voltage class
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* there ar e 7 cases:
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* "B1" "B2" "B3" "B4" "A5" "A6" "A7"
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* B1 - Internal Conductors
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* B2 - External Conductors, uncoated, sea level to 3050 m
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* B3 - External Conductors, uncoated, over 3050 m
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* B4 - External Conductors, with permanent polymer coating (any elevation)
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* A5 - External Conductors, with conformal coating over assembly (any elevation)
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* A6 - External Component lead/termination, uncoated
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* A7 - External Component lead termination, with conformal coating (any elevation)
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*/
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/* For voltages greater than 500V, the (per volt) table values
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* must be added to the 500V values. For example, the elec-
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* trical spacing for a Type B1 board with 600V is calculated
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* as:
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* 600V - 500V = 100V
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* 0.25 mm + (100V x 0.0025
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*/
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static double clist[CLASS_COUNT][VALUE_COUNT] =
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{
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{ 0.05 * UNIT_MM, 0.1 * UNIT_MM, 0.1 * UNIT_MM, 0.05 * UNIT_MM, 0.13 * UNIT_MM, 0.13 *
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UNIT_MM,
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0.13 * UNIT_MM }, // 0 ... 15V
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{ 0.05 * UNIT_MM, 0.1 * UNIT_MM, 0.1 * UNIT_MM, 0.05 * UNIT_MM, 0.13 * UNIT_MM, 0.25 *
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UNIT_MM,
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0.13 * UNIT_MM }, // 16 ... 30V
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{ 0.1 * UNIT_MM, 0.6 * UNIT_MM, 0.6 * UNIT_MM, 0.13 * UNIT_MM, 0.13 * UNIT_MM, 0.4 *
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UNIT_MM,
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0.13 * UNIT_MM }, // 31 ... 50V
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{ 0.1 * UNIT_MM, 0.6 * UNIT_MM, 1.5 * UNIT_MM, 0.13 * UNIT_MM, 0.13 * UNIT_MM, 0.5 *
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UNIT_MM,
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0.13 * UNIT_MM }, // 51 ... 100V
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{ 0.2 * UNIT_MM, 0.6 * UNIT_MM, 3.2 * UNIT_MM, 0.4 * UNIT_MM, 0.4 * UNIT_MM, 0.8 *
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UNIT_MM,
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0.4 * UNIT_MM }, // 101 ... 150V
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{ 0.2 * UNIT_MM, 1.25 * UNIT_MM, 3.2 * UNIT_MM, 0.4 * UNIT_MM, 0.4 * UNIT_MM, 0.8 *
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UNIT_MM,
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0.4 * UNIT_MM }, // 151 ... 170V
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{ 0.2 * UNIT_MM, 1.25 * UNIT_MM, 6.4 * UNIT_MM, 0.4 * UNIT_MM, 0.4 * UNIT_MM, 0.8 *
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UNIT_MM,
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0.4 * UNIT_MM }, // 171 ... 250V
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{ 0.2 * UNIT_MM, 1.25 * UNIT_MM, 12.5 * UNIT_MM, 0.4 * UNIT_MM, 0.4 * UNIT_MM, 0.8 *
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UNIT_MM,
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0.8 * UNIT_MM }, // 251 ... 300V
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{ 0.25 * UNIT_MM, 2.5 * UNIT_MM, 12.5 * UNIT_MM, 0.8 * UNIT_MM, 0.8 * UNIT_MM, 1.5 *
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UNIT_MM,
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0.8 * UNIT_MM }, // 301 ... 500V
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// These last values are used to calculate spacing for voltage > 500V
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// there are not the spacing
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{ 0.0025 * UNIT_MM, 0.005 * UNIT_MM, 0.025 * UNIT_MM, 0.00305 * UNIT_MM,
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0.00305 * UNIT_MM, 0.00305 * UNIT_MM, 0.00305 * UNIT_MM }, // > 500V
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};
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void PCB_CALCULATOR_FRAME::OnElectricalSpacingUnitsSelection( wxCommandEvent& event )
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{
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ElectricalSpacingUpdateData( m_ElectricalSpacingUnitsSelector->GetUnitScale() );
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}
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void PCB_CALCULATOR_FRAME::OnElectricalSpacingRefresh( wxCommandEvent& event )
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{
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ElectricalSpacingUpdateData( m_ElectricalSpacingUnitsSelector->GetUnitScale() );
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}
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void PCB_CALCULATOR_FRAME::ElectricalSpacingUpdateData( double aUnitScale )
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{
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wxString txt;
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double voltage = 500.0; // to calculate values at V > 500V
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txt = m_ElectricalSpacingVoltage->GetValue();
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if( ! txt.IsEmpty() )
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voltage = DoubleFromString(txt);
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if( voltage < 500.0 )
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voltage = 500.0;
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txt.Printf( wxT( "%g" ), voltage );
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m_ElectricalSpacingVoltage->SetValue( txt );
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for( int ii = 0; ii < CLASS_COUNT-1; ii++ )
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{
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for( int jj = 0; jj < VALUE_COUNT; jj++ )
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{
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txt.Printf( wxT( "%g" ), clist[ii][jj] / aUnitScale );
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m_gridElectricalSpacingValues->SetCellValue( ii, jj, txt );
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}
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}
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for( int jj = 0; jj < VALUE_COUNT; jj++ )
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{
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double spacing = clist[CLASS_COUNT-2][jj];
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double spacing_extra = clist[CLASS_COUNT-1][jj];
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spacing += spacing_extra * ( voltage - 500.0 );
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txt.Printf( wxT( "%g" ), spacing / aUnitScale );
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m_gridElectricalSpacingValues->SetCellValue( CLASS_COUNT-1, jj, txt );
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}
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m_gridElectricalSpacingValues->SetRowLabelSize( wxGRID_AUTOSIZE );
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}
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