kicad/pcbnew/drc/drc_test_provider_annulus.cpp

176 lines
5.3 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2004-2020 KiCad Developers.
*
* 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 <common.h>
#include <class_track.h>
#include <drc/drc_item.h>
#include <drc/drc_rule.h>
#include <drc/drc_test_provider.h>
/*
Via/pad annular ring width test. Checks if there's sufficient copper ring around PTH/NPTH holes (vias/pads)
Errors generated:
- DRCE_ANNULUS
Todo:
- check pad holes too.
- pad stack support (different IAR/OAR values depending on layer)
*/
class DRC_TEST_PROVIDER_ANNULUS : public DRC_TEST_PROVIDER
{
public:
DRC_TEST_PROVIDER_ANNULUS()
{
}
virtual ~DRC_TEST_PROVIDER_ANNULUS()
{
}
virtual bool Run() override;
virtual const wxString GetName() const override
{
return "annulus";
};
virtual const wxString GetDescription() const override
{
return "Tests pad/via annular rings";
}
virtual std::set<DRC_CONSTRAINT_TYPE_T> GetConstraintTypes() const override;
int GetNumPhases() const override;
};
bool DRC_TEST_PROVIDER_ANNULUS::Run()
{
const int delta = 250; // This is the number of tests between 2 calls to the progress bar
if( !m_drcEngine->HasRulesForConstraintType( DRC_CONSTRAINT_TYPE_ANNULAR_WIDTH ) )
{
reportAux( "No annulus constraints found. Skipping check." );
return false;
}
if( !reportPhase( _( "Checking via annular rings..." ) ) )
return false;
auto checkAnnulus =
[&]( BOARD_ITEM* item ) -> bool
{
if( m_drcEngine->IsErrorLimitExceeded( DRCE_ANNULAR_WIDTH ) )
return false;
int v_min = 0;
int v_max = 0;
VIA* via = dyn_cast<VIA*>( item );
// fixme: check minimum IAR/OAR ring for THT pads too
if( !via )
return true;
auto constraint = m_drcEngine->EvalRulesForItems( DRC_CONSTRAINT_TYPE_ANNULAR_WIDTH,
via );
int annulus = ( via->GetWidth() - via->GetDrillValue() ) / 2;
bool fail_min = false;
bool fail_max = false;
accountCheck( constraint );
if( constraint.Value().HasMin() )
{
v_min = constraint.Value().Min();
fail_min = annulus < v_min;
}
if( constraint.Value().HasMax() )
{
v_max = constraint.Value().Max();
fail_max = annulus > v_max;
}
if( fail_min || fail_max )
{
std::shared_ptr<DRC_ITEM> drcItem = DRC_ITEM::Create( DRCE_ANNULAR_WIDTH );
if( fail_min )
m_msg.Printf( drcItem->GetErrorText() + wxS( " " ) + _( "(%s min annular width %s; actual %s)" ),
constraint.GetName(),
MessageTextFromValue( userUnits(), v_min ),
MessageTextFromValue( userUnits(), annulus ) );
if( fail_max )
m_msg.Printf( drcItem->GetErrorText() + wxS( " " ) + _( "(%s max annular width %s; actual %s)" ),
constraint.GetName(),
MessageTextFromValue( userUnits(), v_max ),
MessageTextFromValue( userUnits(), annulus ) );
drcItem->SetErrorMessage( m_msg );
drcItem->SetItems( item );
drcItem->SetViolatingRule( constraint.GetParentRule() );
reportViolation( drcItem, via->GetPosition());
}
return true;
};
BOARD* board = m_drcEngine->GetBoard();
int ii = 0;
for( TRACK* item : board->Tracks() )
{
if( !reportProgress( ii++, board->Tracks().size(), delta ) )
break;
if( !checkAnnulus( item ) )
break;
}
reportRuleStatistics();
return true;
}
int DRC_TEST_PROVIDER_ANNULUS::GetNumPhases() const
{
return 1;
}
std::set<DRC_CONSTRAINT_TYPE_T> DRC_TEST_PROVIDER_ANNULUS::GetConstraintTypes() const
{
return { DRC_CONSTRAINT_TYPE_ANNULAR_WIDTH };
}
namespace detail
{
static DRC_REGISTER_TEST_PROVIDER<DRC_TEST_PROVIDER_ANNULUS> dummy;
}