kicad/pcbnew/router/pns_meander_skew_placer.h

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/*
* KiRouter - a push-and-(sometimes-)shove PCB router
*
* Copyright (C) 2013-2015 CERN
* Copyright (C) 2016 KiCad Developers, see AUTHORS.txt for contributors.
* Author: Tomasz Wlostowski <tomasz.wlostowski@cern.ch>
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef __PNS_MEANDER_SKEW_PLACER_H
#define __PNS_MEANDER_SKEW_PLACER_H
#include "pns_meander_placer.h"
#include "pns_diff_pair.h"
namespace PNS {
class ROUTER;
class SHOVE;
class OPTIMIZER;
/**
* MEANDER_SKEW_PLACER
*
* Differential pair skew adjustment algorithm.
*/
class MEANDER_SKEW_PLACER : public MEANDER_PLACER
{
public:
MEANDER_SKEW_PLACER( ROUTER* aRouter );
~MEANDER_SKEW_PLACER();
/// @copydoc PLACEMENT_ALGO::Start()
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bool Start( const VECTOR2I& aP, ITEM* aStartItem ) override;
/// @copydoc PLACEMENT_ALGO::Move()
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bool Move( const VECTOR2I& aP, ITEM* aEndItem ) override;
/// @copydoc MEANDER_PLACER_BASE::TuningResult()
long long int TuningResult() const override;
long long int CurrentSkew() const;
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private:
long long int origPathLength() const override;
DIFF_PAIR m_originPair;
ITEM_SET m_tunedPathP, m_tunedPathN;
long long int m_coupledLength;
int m_padToDieP;
int m_padToDieN;
};
}
#endif // __PNS_MEANDER_SKEW_PLACER_H