kicad/pcbnew/board_stackup_manager/dielectric_material.cpp

/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright (C) 2019 Jean-Pierre Charras, jp.charras at wanadoo.fr
 * Copyright (C) 2009-2019 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 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
 */


/**
 * @file dielectric_material.cpp
 */

#include "stackup_predefined_prms.h"
#include "dielectric_material.h"


// A list of available substrate material
// These names are used in .gbrjob file, so they are not fully free.
// So do not change name with "used in .gbrjob file" comment.
// These names are in fact usual substrate names.
// However one can add and use other names for material name.
// DO NOT translate them, as they are proper noun
static DIELECTRIC_SUBSTRATE substrateMaterial[]  =
{
    { NotSpecifiedPrm(), 0.0, 0.0 },    // Not specified, not in .gbrjob
    { "FR4", 4.5, 0.02 },               // used in .gbrjob file
    { "FR408-HR", 3.69, 0.0091 },       // used in .gbrjob file
    { "Polyimide", 1.0, 0.0 },          // used in .gbrjob file
    { "Polyolefin", 1.0, 0.0 },         // used in .gbrjob file
    { "Al", 8.7, 0.001 },               // used in .gbrjob file
    { "PTFE", 2.1, 0.0002 },            // used in .gbrjob file
    { "Teflon", 2.1, 0.0002 },          // used in .gbrjob file
    { "Ceramic", 1.0, 0.0 }             // used in .gbrjob file
                                        // Other names are free
};

static DIELECTRIC_SUBSTRATE solderMaskMaterial[]  =
{
    { NotSpecifiedPrm(), DEFAULT_EPSILON_R_SOLDERMASK, 0.0 },   // Not specified, not in .gbrjob
    { "Epoxy", DEFAULT_EPSILON_R_SOLDERMASK, 0.0 },             // Epoxy Liquid material (usual)
    { "Liquid Ink", DEFAULT_EPSILON_R_SOLDERMASK, 0.0 },        // Liquid Ink Photoimageable
    { "Dry Film", DEFAULT_EPSILON_R_SOLDERMASK, 0.0 }           // Dry Film Photoimageable
};

static DIELECTRIC_SUBSTRATE silkscreenMaterial[]  =
{
    { NotSpecifiedPrm(), DEFAULT_EPSILON_R_SILKSCREEN, 0.0 },       // Not specified, not in .gbrjob
    { "Liquid Photo", DEFAULT_EPSILON_R_SILKSCREEN, 0.0 },          // Liquid Ink Photoimageable
    { "Direct Printing", DEFAULT_EPSILON_R_SILKSCREEN, 0.0 }        // Direct Legend Printing
};


wxString DIELECTRIC_SUBSTRATE::FormatEpsilonR()
{
    // return a wxString to print/display Epsilon R
    wxString txt;
    txt.Printf( "%.1f", m_EpsilonR );
    return txt;
}


wxString DIELECTRIC_SUBSTRATE::FormatLossTangent()
{
    // return a wxString to print/display Loss Tangent
    wxString txt;
    txt.Printf( "%g", m_LossTangent );
    return txt;
}


DIELECTRIC_SUBSTRATE_LIST::DIELECTRIC_SUBSTRATE_LIST( DL_MATERIAL_LIST_TYPE aListType )
{
    // Fills the m_substrateList with predefined params:
    switch( aListType )
    {
    case DL_MATERIAL_DIELECTRIC:
        for( unsigned ii = 0; ii < arrayDim( substrateMaterial ); ++ii )
            m_substrateList.push_back( substrateMaterial[ii] );
        break;

    case DL_MATERIAL_SOLDERMASK:
        for( unsigned ii = 0; ii < arrayDim( solderMaskMaterial ); ++ii )
            m_substrateList.push_back( solderMaskMaterial[ii] );
        break;

    case DL_MATERIAL_SILKSCREEN:
        for( unsigned ii = 0; ii < arrayDim( silkscreenMaterial ); ++ii )
            m_substrateList.push_back( silkscreenMaterial[ii] );
        break;
    }
}


DIELECTRIC_SUBSTRATE* DIELECTRIC_SUBSTRATE_LIST::GetSubstrate( int aIdx )
{
    if( aIdx >= 0 && aIdx < GetCount() )
        return &m_substrateList[aIdx];

    return nullptr;
}


DIELECTRIC_SUBSTRATE* DIELECTRIC_SUBSTRATE_LIST::GetSubstrate( const wxString& aName )
{
    for( DIELECTRIC_SUBSTRATE& item : m_substrateList )
    {
        if( item.m_Name.CmpNoCase( aName ) == 0 )
            return &item;
    }

    return nullptr;
}


int DIELECTRIC_SUBSTRATE_LIST::FindSubstrate( DIELECTRIC_SUBSTRATE* aItem )
{
    // Find a item matching aItem. The comparison is for the name case insensitive
    int idx = 0;
    for( DIELECTRIC_SUBSTRATE& item : m_substrateList )
    {

        if( item.m_EpsilonR == aItem->m_EpsilonR &&
            item.m_LossTangent == aItem->m_LossTangent &&
            item.m_Name.CmpNoCase( aItem->m_Name ) == 0
            )
            return idx;

        ++idx;
    }

    return -1;
}


int DIELECTRIC_SUBSTRATE_LIST::FindSubstrate( const wxString& aName, double aEpsilonR, double aLossTg )
{
    // Find a item matching parameters
    int idx = 0;
    for( DIELECTRIC_SUBSTRATE& item : m_substrateList )
    {

        if( item.m_EpsilonR == aEpsilonR &&
            item.m_LossTangent == aLossTg &&
            item.m_Name.CmpNoCase( aName ) == 0
            )
            return idx;

        ++idx;
    }

    return -1;
}