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79 lines
2.2 KiB
79 lines
2.2 KiB
/*
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* KiRouter - a push-and-(sometimes-)shove PCB router
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*
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* Copyright (C) 2013-2015 CERN
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* Copyright The KiCad Developers, see AUTHORS.txt for contributors.
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* Author: Tomasz Wlostowski <tomasz.wlostowski@cern.ch>
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*
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* This program is free software: you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation, either version 3 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* 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 along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __PNS_MEANDER_SKEW_PLACER_H
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#define __PNS_MEANDER_SKEW_PLACER_H
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#include "pns_meander_placer.h"
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#include "pns_diff_pair.h"
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namespace PNS {
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class ROUTER;
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class SHOVE;
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class OPTIMIZER;
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/**
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* MEANDER_SKEW_PLACER
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*
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* Differential pair skew adjustment algorithm.
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*/
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class MEANDER_SKEW_PLACER : public MEANDER_PLACER
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{
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public:
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MEANDER_SKEW_PLACER( ROUTER* aRouter );
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~MEANDER_SKEW_PLACER();
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/// @copydoc PLACEMENT_ALGO::Start()
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bool Start( const VECTOR2I& aP, ITEM* aStartItem ) override;
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/// @copydoc PLACEMENT_ALGO::Move()
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bool Move( const VECTOR2I& aP, ITEM* aEndItem ) override;
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/// @copydoc MEANDER_PLACER_BASE::TuningLengthResult()
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long long int TuningLengthResult() const override;
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/// @copydoc MEANDER_PLACER_BASE::TuningDelayResult()
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int64_t TuningDelayResult() const override;
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long long int CurrentSkew() const;
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private:
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long long int origPathLength() const override;
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int64_t origPathDelay() const override;
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void calculateTimeDomainTargets() override;
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DIFF_PAIR m_originPair;
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ITEM_SET m_tunedPathP, m_tunedPathN;
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long long int m_coupledLength;
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int64_t m_coupledDelay;
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int m_padToDieLengthP;
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int m_padToDieLengthN;
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int64_t m_padToDieDelayP;
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int64_t m_padToDieDelayN;
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};
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}
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#endif // __PNS_MEANDER_SKEW_PLACER_H
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