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// license:GPL-2.0+
// copyright-holders:Couriersud
/*
* nld_twoterm.h
*
* Devices with two terminals ...
*
*
* (k)
* +-----T-----+
* | | |
* | +--+--+ |
* | | | |
* | R | |
* | R | |
* | R I |
* | | I | Device n
* | V+ I |
* | V | |
* | V- | |
* | | | |
* | +--+--+ |
* | | |
* +-----T-----+
* (l)
*
* This is a resistance in series to a voltage source and paralleled by a
* current source. This is suitable to model voltage sources, current sources,
* resistors, capacitors, inductances and diodes.
*
*/
#ifndef NLD_TWOTERM_H_
#define NLD_TWOTERM_H_
#include "nl_base.h"
// -----------------------------------------------------------------------------
// Macros
// -----------------------------------------------------------------------------
#define RES(name, p_R) \
NET_REGISTER_DEV(RES, name) \
NETDEV_PARAMI(name, R, p_R)
#define POT(name, p_R) \
NET_REGISTER_DEV(POT, name) \
NETDEV_PARAMI(name, R, p_R)
/* Does not have pin 3 connected */
#define POT2(name, p_R) \
NET_REGISTER_DEV(POT2, name) \
NETDEV_PARAMI(name, R, p_R)
#define CAP(name, p_C) \
NET_REGISTER_DEV(CAP, name) \
NETDEV_PARAMI(name, C, p_C)
#define IND(name, p_L) \
NET_REGISTER_DEV(IND, name) \
NETDEV_PARAMI(name, L, p_L)
/* Generic Diode */
#define DIODE(name, model) \
NET_REGISTER_DEV(DIODE, name) \
NETDEV_PARAMI(name, MODEL, model)
#define VS(name, pV) \
NET_REGISTER_DEV(VS, name) \
NETDEV_PARAMI(name, V, pV)
#define CS(name, pI) \
NET_REGISTER_DEV(CS, name) \
NETDEV_PARAMI(name, I, pI)
// -----------------------------------------------------------------------------
// Generic macros
// -----------------------------------------------------------------------------
#ifdef RES_R
// FIXME: avoid compile fails
// #warning "Do not include rescap.h in a netlist environment"
#endif
#ifndef RES_R
#define RES_R(res) (static_cast<double>(res))
#define RES_K(res) (static_cast<double>(res) * 1e3)
#define RES_M(res) (static_cast<double>(res) * 1e6)
#define CAP_U(cap) (static_cast<double>(cap) * 1e-6)
#define CAP_N(cap) (static_cast<double>(cap) * 1e-9)
#define CAP_P(cap) (static_cast<double>(cap) * 1e-12)
#define IND_U(ind) (static_cast<double>(ind) * 1e-6)
#define IND_N(ind) (static_cast<double>(ind) * 1e-9)
#define IND_P(ind) (static_cast<double>(ind) * 1e-12)
#endif
// -----------------------------------------------------------------------------
// Implementation
// -----------------------------------------------------------------------------
namespace netlist
{
namespace devices
{
// -----------------------------------------------------------------------------
// nld_twoterm
// -----------------------------------------------------------------------------
NETLIB_OBJECT(twoterm)
{
NETLIB_CONSTRUCTOR_EX(twoterm, bool terminals_owned = false)
, m_P(bselect(terminals_owned, owner, *this), (terminals_owned ? name + "." : "") + "1")
, m_N(bselect(terminals_owned, owner, *this), (terminals_owned ? name + "." : "") + "2")
{
m_P.m_otherterm = &m_N;
m_N.m_otherterm = &m_P;
}
terminal_t m_P;
terminal_t m_N;
//NETLIB_UPDATE_TERMINALSI() { }
//NETLIB_RESETI() { }
NETLIB_UPDATEI();
public:
/* inline */ void set(const nl_double G, const nl_double V, const nl_double I)
{
/* GO, GT, I */
m_P.set( G, G, ( V) * G - I);
m_N.set( G, G, ( -V) * G + I);
}
/* inline */ nl_double deltaV() const
{
return m_P.net().Q_Analog() - m_N.net().Q_Analog();
}
void set_mat(nl_double a11, nl_double a12, nl_double a21, nl_double a22, nl_double r1, nl_double r2)
{
/* GO, GT, I */
m_P.set(-a12, a11, -r1);
m_N.set(-a21, a22, -r2);
}
private:
template <class C>
static core_device_t &bselect(bool b, C &d1, core_device_t &d2)
{
core_device_t *h = dynamic_cast<core_device_t *>(&d1);
return b ? *h : d2;
}
};
// -----------------------------------------------------------------------------
// nld_R
// -----------------------------------------------------------------------------
NETLIB_OBJECT_DERIVED(R_base, twoterm)
{
NETLIB_CONSTRUCTOR_DERIVED(R_base, twoterm)
{
}
public:
inline void set_R(const nl_double R)
{
set(NL_FCONST(1.0) / R, 0.0, 0.0);
}
protected:
NETLIB_RESETI()
{
NETLIB_NAME(twoterm)::reset();
set_R(1.0 / netlist().gmin());
}
NETLIB_UPDATEI()
{
NETLIB_NAME(twoterm)::update();
}
};
NETLIB_OBJECT_DERIVED(R, R_base)
{
NETLIB_CONSTRUCTOR_DERIVED(R, R_base)
, m_R(*this, "R", 1.0 / netlist().gmin())
{
}
param_double_t m_R;
protected:
//NETLIB_RESETI() { }
//NETLIB_UPDATEI() { }
NETLIB_UPDATE_PARAMI()
{
update_dev();
if (m_R() > 1e-9)
set_R(m_R());
else
set_R(1e-9);
}
};
// -----------------------------------------------------------------------------
// nld_POT
// -----------------------------------------------------------------------------
NETLIB_OBJECT(POT)
{
NETLIB_CONSTRUCTOR(POT)
, m_R1(*this, "R1")
, m_R2(*this, "R2")
, m_R(*this, "R", 1.0 / netlist().gmin())
, m_Dial(*this, "DIAL", 0.5)
, m_DialIsLog(*this, "DIALLOG", 0)
{
register_subalias("1", m_R1.m_P);
register_subalias("2", m_R1.m_N);
register_subalias("3", m_R2.m_N);
connect_late(m_R2.m_P, m_R1.m_N);
}
//NETLIB_UPDATEI();
//NETLIB_RESETI();
NETLIB_UPDATE_PARAMI();
private:
NETLIB_SUB(R_base) m_R1;
NETLIB_SUB(R_base) m_R2;
param_double_t m_R;
param_double_t m_Dial;
param_logic_t m_DialIsLog;
};
NETLIB_OBJECT(POT2)
{
NETLIB_CONSTRUCTOR(POT2)
, m_R1(*this, "R1")
, m_R(*this, "R", 1.0 / netlist().gmin())
, m_Dial(*this, "DIAL", 0.5)
, m_DialIsLog(*this, "DIALLOG", 0)
, m_Reverse(*this, "REVERSE", 0)
{
register_subalias("1", m_R1.m_P);
register_subalias("2", m_R1.m_N);
}
//NETLIB_UPDATEI();
//NETLIB_RESETI();
NETLIB_UPDATE_PARAMI();
private:
NETLIB_SUB(R_base) m_R1;
param_double_t m_R;
param_double_t m_Dial;
param_logic_t m_DialIsLog;
param_logic_t m_Reverse;
};
// -----------------------------------------------------------------------------
// nld_C
// -----------------------------------------------------------------------------
NETLIB_OBJECT_DERIVED(C, twoterm)
{
public:
NETLIB_CONSTRUCTOR_DERIVED(C, twoterm)
, m_C(*this, "C", 1e-6)
, m_GParallel(0.0)
{
//register_term("1", m_P);
//register_term("2", m_N);
}
NETLIB_TIMESTEP()
{
/* Gpar should support convergence */
const nl_double G = m_C() / step + m_GParallel;
const nl_double I = -G * deltaV();
set(G, 0.0, I);
}
param_double_t m_C;
protected:
NETLIB_RESETI();
NETLIB_UPDATEI();
NETLIB_UPDATE_PARAMI();
private:
nl_double m_GParallel;
};
// -----------------------------------------------------------------------------
// nld_L
// -----------------------------------------------------------------------------
NETLIB_OBJECT_DERIVED(L, twoterm)
{
public:
NETLIB_CONSTRUCTOR_DERIVED(L, twoterm)
, m_L(*this, "L", 1e-6)
, m_GParallel(0.0)
, m_G(0.0)
, m_I(0.0)
{
//register_term("1", m_P);
//register_term("2", m_N);
}
NETLIB_TIMESTEP()
{
/* Gpar should support convergence */
m_I = m_I + m_G * deltaV();
m_G = step / m_L() + m_GParallel;
set(m_G, 0.0, m_I);
}
param_double_t m_L;
protected:
NETLIB_RESETI();
NETLIB_UPDATEI();
NETLIB_UPDATE_PARAMI();
private:
nl_double m_GParallel;
nl_double m_G;
nl_double m_I;
};
// -----------------------------------------------------------------------------
// A generic diode model to be used in other devices (Diode, BJT ...)
// -----------------------------------------------------------------------------
class generic_diode
{
public:
generic_diode(device_t &dev, pstring name);
inline void update_diode(const nl_double nVd)
{
#if 1
if (nVd < NL_FCONST(-5.0) * m_Vt)
{
m_Vd = nVd;
m_G = m_gmin;
m_Id = - m_Is;
}
else if (nVd < m_Vcrit)
{
m_Vd = nVd;
//m_Vd = m_Vd + 10.0 * m_Vt * std::tanh((nVd - m_Vd) / 10.0 / m_Vt);
const nl_double eVDVt = std::exp(m_Vd * m_VtInv);
m_Id = m_Is * (eVDVt - NL_FCONST(1.0));
m_G = m_Is * m_VtInv * eVDVt + m_gmin;
}
else
{
#if 1
const nl_double a = std::max((nVd - m_Vd) * m_VtInv, NL_FCONST(0.5) - NL_FCONST(1.0));
m_Vd = m_Vd + std::log1p(a) * m_Vt;
#else
m_Vd = m_Vd + 10.0 * m_Vt * std::tanh((nVd - m_Vd) / 10.0 / m_Vt);
#endif
const nl_double eVDVt = std::exp(m_Vd * m_VtInv);
m_Id = m_Is * (eVDVt - NL_FCONST(1.0));
m_G = m_Is * m_VtInv * eVDVt + m_gmin;
}
#else
m_Vd = m_Vd + 20.0 * m_Vt * std::tanh((nVd - m_Vd) / 20.0 / m_Vt);
const nl_double eVDVt = std::exp(m_Vd * m_VtInv);
m_Id = m_Is * (eVDVt - NL_FCONST(1.0));
m_G = m_Is * m_VtInv * eVDVt + m_gmin;
#endif
}
void set_param(const nl_double Is, const nl_double n, nl_double gmin);
inline nl_double I() const { return m_Id; }
inline nl_double G() const { return m_G; }
inline nl_double Ieq() const { return (m_Id - m_Vd * m_G); }
inline nl_double Vd() const { return m_Vd; }
/* owning object must save those ... */
private:
state_var<nl_double> m_Vd;
state_var<nl_double> m_Id;
state_var<nl_double> m_G;
nl_double m_Vt;
nl_double m_Is;
nl_double m_n;
nl_double m_gmin;
nl_double m_VtInv;
nl_double m_Vcrit;
};
// -----------------------------------------------------------------------------
// nld_D
// -----------------------------------------------------------------------------
NETLIB_OBJECT_DERIVED(D, twoterm)
{
public:
NETLIB_CONSTRUCTOR_DERIVED(D, twoterm)
, m_model(*this, "MODEL", "")
, m_D(*this, "m_D")
{
register_subalias("A", m_P);
register_subalias("K", m_N);
}
NETLIB_DYNAMIC()
NETLIB_UPDATE_TERMINALSI();
param_model_t m_model;
protected:
//NETLIB_RESETI();
NETLIB_UPDATEI();
NETLIB_UPDATE_PARAMI();
generic_diode m_D;
};
// -----------------------------------------------------------------------------
// nld_VS - Voltage source
//
// netlist voltage source must have inner resistance
// -----------------------------------------------------------------------------
NETLIB_OBJECT_DERIVED(VS, twoterm)
{
public:
NETLIB_CONSTRUCTOR_DERIVED(VS, twoterm)
, m_R(*this, "R", 0.1)
, m_V(*this, "V", 0.0)
{
register_subalias("P", m_P);
register_subalias("N", m_N);
}
protected:
NETLIB_UPDATEI();
NETLIB_RESETI();
param_double_t m_R;
param_double_t m_V;
};
// -----------------------------------------------------------------------------
// nld_CS - Current source
// -----------------------------------------------------------------------------
NETLIB_OBJECT_DERIVED(CS, twoterm)
{
public:
NETLIB_CONSTRUCTOR_DERIVED(CS, twoterm)
, m_I(*this, "I", 1.0)
{
register_subalias("P", m_P);
register_subalias("N", m_N);
}
NETLIB_UPDATEI();
NETLIB_RESETI();
protected:
param_double_t m_I;
};
} //namespace devices
} // namespace netlist
#endif /* NLD_TWOTERM_H_ */
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