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