kicad/eeschema/sim/ngspice.h

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2016 CERN
* Copyright (C) 2021 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, you may find one here:
* https://www.gnu.org/licenses/gpl-3.0.html
* or you may search the http://www.gnu.org website for the version 3 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
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#ifndef NGSPICE_H
#define NGSPICE_H
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#include "spice_simulator.h"
#include <wx/dynlib.h>
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#include <ngspice/sharedspice.h>
// We have an issue here where NGSPICE incorrectly used bool for years
// and defined it to be int when in C-mode. We cannot adjust the function
// signatures without re-writing sharedspice.h for KiCad.
// Instead, we maintain status-quo for older NGSPICE versions (<=34) and
// use the new signatures for newer versions
#ifndef NGSPICE_PACKAGE_VERSION
typedef bool NG_BOOL;
#endif
class wxDynamicLibrary;
class NGSPICE : public SPICE_SIMULATOR
{
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public:
NGSPICE();
virtual ~NGSPICE();
///< @copydoc SPICE_SIMULATOR::Init()
void Init( const SPICE_SIMULATOR_SETTINGS* aSettings = nullptr ) override;
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///< @copydoc SPICE_SIMULATOR::LoadNetlist()
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bool LoadNetlist( const std::string& aNetlist ) override;
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///< @copydoc SPICE_SIMULATOR::Run()
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bool Run() override;
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///< @copydoc SPICE_SIMULATOR::Stop()
bool Stop() override;
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///< @copydoc SPICE_SIMULATOR::IsRunning()
bool IsRunning() override;
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///< @copydoc SPICE_SIMULATOR::Command()
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bool Command( const std::string& aCmd ) override;
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///< @copydoc SPICE_SIMULATOR::GetXAxis()
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std::string GetXAxis( SIM_TYPE aType ) const override;
///< @copydoc SPICE_SIMULATOR::AllPlots()
std::vector<std::string> AllPlots() const override;
///< @copydoc SPICE_SIMULATOR::GetPlot()
std::vector<COMPLEX> GetPlot( const std::string& aName, int aMaxLen = -1 ) override;
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///< @copydoc SPICE_SIMULATOR::GetRealPlot()
std::vector<double> GetRealPlot( const std::string& aName, int aMaxLen = -1 ) override;
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///< @copydoc SPICE_SIMULATOR::GetImagPlot()
std::vector<double> GetImagPlot( const std::string& aName, int aMaxLen = -1 ) override;
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///< @copydoc SPICE_SIMULATOR::GetMagPlot()
std::vector<double> GetMagPlot( const std::string& aName, int aMaxLen = -1 ) override;
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///< @copydoc SPICE_SIMULATOR::GetPhasePlot()
std::vector<double> GetPhasePlot( const std::string& aName, int aMaxLen = -1 ) override;
std::vector<std::string> GetSettingCommands() const override;
///< @copydoc SPICE_SIMULATOR::GetNetlist()
virtual const std::string GetNetlist() const override;
private:
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void init();
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// Performs DLL initialization, obtains function pointers
void init_dll();
// ngspice library functions
typedef void ( *ngSpice_Init )( SendChar*, SendStat*, ControlledExit*, SendData*, SendInitData*,
BGThreadRunning*, void* );
typedef int ( *ngSpice_Circ )( char** circarray );
typedef int ( *ngSpice_Command )( char* command );
typedef pvector_info ( *ngGet_Vec_Info )( char* vecname );
typedef char* ( *ngSpice_CurPlot )( void );
typedef char** ( *ngSpice_AllPlots )( void );
typedef char** ( *ngSpice_AllVecs )( char* plotname );
typedef bool ( *ngSpice_Running )( void );
///< Handle to DLL functions
ngSpice_Init m_ngSpice_Init;
ngSpice_Circ m_ngSpice_Circ;
ngSpice_Command m_ngSpice_Command;
ngGet_Vec_Info m_ngGet_Vec_Info;
ngSpice_CurPlot m_ngSpice_CurPlot;
ngSpice_AllPlots m_ngSpice_AllPlots;
ngSpice_AllVecs m_ngSpice_AllVecs;
ngSpice_Running m_ngSpice_Running;
wxDynamicLibrary m_dll;
///< Execute commands from a file
bool loadSpinit( const std::string& aFileName );
///< Check a few different locations for codemodel files and returns one if it exists.
std::string findCmPath() const;
///< Load codemodel files from a directory.
bool loadCodemodels( const std::string& aPath );
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// Callback functions
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static int cbSendChar( char* what, int aId, void* aUser );
static int cbSendStat( char* what, int aId, void* aUser );
static int cbBGThreadRunning( NG_BOOL aFinished, int aId, void* aUser );
static int cbControlledExit( int aStatus, NG_BOOL aImmediate, NG_BOOL aExitOnQuit, int aId,
void* aUser );
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// Assure ngspice is in a valid state and reinitializes it if need be.
void validate();
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///< Error flag indicating that ngspice needs to be reloaded.
bool m_error;
///< Ngspice should be initialized only once.
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static bool m_initialized;
///< Current netlist
std::string m_netlist;
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};
#endif /* NGSPICE_H */