haskal
/
kicad
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Ibis differential and PRBS models

This commit is contained in:
Fabien Corona 2022-09-29 08:35:01 +00:00 committed by Mikolaj Wielgus
parent 8ae48bb093
commit 7e486327d9
11 changed files with 302 additions and 78 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
eeschema/dialogs/dialog_sim_model.cpp
View File

@ -523,9 +523,28 @@ void DIALOG_SIM_MODEL<T>::loadLibrary( const wxString& aFilePath )
setIbisMode( IsIbisLoaded() );
try
{
if( IsIbisLoaded() )
{
wxString ibisTypeString = SIM_MODEL::GetFieldValue( &m_fields, SIM_MODEL::TYPE_FIELD );
SIM_MODEL::TYPE ibisType = SIM_MODEL::TYPE::KIBIS_DEVICE;
if( ibisTypeString == "IBISDRIVER" )
ibisType = SIM_MODEL::TYPE::KIBIS_DRIVER;
else if( ibisTypeString == "IBISDIFFDRIVER" )
ibisType = SIM_MODEL::TYPE::KIBIS_DIFFDRIVER;
else if( ibisTypeString == "IBISDIFFDEVICE" )
ibisType = SIM_MODEL::TYPE::KIBIS_DIFFDEVICE;
std::dynamic_pointer_cast<SIM_LIBRARY_KIBIS>( m_library )
->ReadFile( std::string( absolutePath.ToUTF8() ), ibisType );
}
else
{
m_library->ReadFile( std::string( absolutePath.ToUTF8() ) );
}
}
catch( const IO_ERROR& e )
{
DisplayErrorMessage( this, wxString::Format( _( "Failed reading model library '%s'." ),
@ -1010,8 +1029,9 @@ void DIALOG_SIM_MODEL<T>::onTypeChoice( wxCommandEvent& aEvent )
&& typeDescription == SIM_MODEL::TypeInfo( type ).description )
{
if( IsIbisLoaded()
&& ( type == SIM_MODEL::TYPE::KIBIS_DEVICE
|| type == SIM_MODEL::TYPE::KIBIS_DRIVER ) )
&& ( type == SIM_MODEL::TYPE::KIBIS_DEVICE || type == SIM_MODEL::TYPE::KIBIS_DRIVER
|| type == SIM_MODEL::TYPE::KIBIS_DIFFDRIVER
|| type == SIM_MODEL::TYPE::KIBIS_DIFFDEVICE ) )
{
std::shared_ptr<SIM_MODEL_KIBIS> kibismodel =
std::dynamic_pointer_cast<SIM_MODEL_KIBIS>(

43
eeschema/netlist_exporters/netlist_exporter_spice.cpp
View File

@ -273,6 +273,8 @@ bool NETLIST_EXPORTER_SPICE::ReadSchematicAndLibraries( unsigned aNetlistOptions
switch( type )
{
case SIM_MODEL::TYPE::KIBIS_DIFFDEVICE:
case SIM_MODEL::TYPE::KIBIS_DIFFDRIVER:
case SIM_MODEL::TYPE::KIBIS_DEVICE:
case SIM_MODEL::TYPE::KIBIS_DRIVER: break;
default:
@ -329,6 +331,10 @@ bool NETLIST_EXPORTER_SPICE::ReadSchematicAndLibraries( unsigned aNetlistOptions
case SIM_MODEL::TYPE::KIBIS_DEVICE:
kpin->writeSpiceDevice( &modelData, modelName, *kmodel, kparams );
break;
case SIM_MODEL::TYPE::KIBIS_DIFFDEVICE:
kpin->writeSpiceDiffDevice( &modelData, modelName, *kmodel, kparams );
break;
case SIM_MODEL::TYPE::KIBIS_DIFFDRIVER:
case SIM_MODEL::TYPE::KIBIS_DRIVER:
{
mparam = spiceItem.model->FindParam( "wftype" );
@ -369,6 +375,39 @@ bool NETLIST_EXPORTER_SPICE::ReadSchematicAndLibraries( unsigned aNetlistOptions
->Get()
.value_or( 0 ) );
}
if( paramValue == "prbs" )
{
kparams.m_waveform = static_cast<KIBIS_WAVEFORM*>(
new KIBIS_WAVEFORM_PRBS() );
mparam = spiceItem.model->FindParam( "bitrate" );
if( mparam )
static_cast<KIBIS_WAVEFORM_PRBS*>( kparams.m_waveform )
->m_bitrate = static_cast<double>(
std::dynamic_pointer_cast<SIM_VALUE_FLOAT>( mparam->value )
->Get()
.value_or( 1 ) );
mparam = spiceItem.model->FindParam( "nbits" );
if( mparam )
static_cast<KIBIS_WAVEFORM_PRBS*>( kparams.m_waveform )
->m_bits = static_cast<double>(
std::dynamic_pointer_cast<SIM_VALUE_FLOAT>( mparam->value )
->Get()
.value_or( 1 ) );
mparam = spiceItem.model->FindParam( "delay" );
if( mparam )
static_cast<KIBIS_WAVEFORM_PRBS*>( kparams.m_waveform )
->m_delay = static_cast<double>(
std::dynamic_pointer_cast<SIM_VALUE_FLOAT>( mparam->value )
->Get()
.value_or( 0 ) );
}
else if( paramValue == "stuck high" )
{
kparams.m_waveform =
@ -385,6 +424,10 @@ bool NETLIST_EXPORTER_SPICE::ReadSchematicAndLibraries( unsigned aNetlistOptions
static_cast<KIBIS_WAVEFORM*>( new KIBIS_WAVEFORM_HIGH_Z() );
}
}
if( type == SIM_MODEL::TYPE::KIBIS_DIFFDRIVER )
kpin->writeSpiceDiffDriver( &modelData, modelName, *kmodel, kparams );
else
kpin->writeSpiceDriver( &modelData, modelName, *kmodel, kparams );
break;
}

11
eeschema/sim/sim_library_kibis.cpp
View File

@ -30,7 +30,7 @@
#include <pegtl/contrib/parse_tree.hpp>
void SIM_LIBRARY_KIBIS::ReadFile( const std::string& aFilePath )
void SIM_LIBRARY_KIBIS::ReadFile( const std::string& aFilePath, SIM_MODEL::TYPE aType )
{
SIM_LIBRARY::ReadFile( aFilePath );
m_kibis = KIBIS( std::string( aFilePath.c_str() ) );
@ -41,12 +41,19 @@ void SIM_LIBRARY_KIBIS::ReadFile( const std::string& aFilePath )
return;
}
unsigned pinNumber = 2;
if( aType == SIM_MODEL::TYPE::KIBIS_DIFFDEVICE || aType == SIM_MODEL::TYPE::KIBIS_DIFFDEVICE )
pinNumber = 3;
for( KIBIS_COMPONENT& kcomp : m_kibis.m_components )
{
m_models.push_back( SIM_MODEL::Create( SIM_MODEL::TYPE::KIBIS_DEVICE, 2 ) );
m_models.push_back( SIM_MODEL::Create( aType, pinNumber ) );
m_modelNames.emplace_back( kcomp.m_name );
SIM_MODEL_KIBIS* libcomp = dynamic_cast<SIM_MODEL_KIBIS*>( m_models.back().get() );
if ( libcomp )
InitModel( *libcomp, kcomp.m_name );
}
}

6
eeschema/sim/sim_library_kibis.h
View File

@ -37,7 +37,11 @@ public:
static constexpr auto MODEL_FIELD = "Ibis_Model";
// @copydoc SIM_LIBRARY::ReadFile()
void ReadFile( const std::string& aFilePath ) override;
void ReadFile( const std::string& aFilePath, SIM_MODEL::TYPE aType );
void ReadFile( const std::string& aFilePath ) override
{
ReadFile( aFilePath, SIM_MODEL::TYPE::KIBIS_DEVICE );
}
// @copydoc SIM_LIBRARY::WriteFile()
void WriteFile( const std::string& aFilePath ) override{};

7
eeschema/sim/sim_model.cpp
View File

@ -231,6 +231,8 @@ SIM_MODEL::INFO SIM_MODEL::TypeInfo( TYPE aType )
case TYPE::KIBIS_DRIVER: return { DEVICE_TYPE_::KIBIS, "IBISDRIVER", "Driver" };
case TYPE::KIBIS_DEVICE: return { DEVICE_TYPE_::KIBIS, "IBISDEVICE", "Device" };
case TYPE::KIBIS_DIFFDRIVER: return { DEVICE_TYPE_::KIBIS, "IBISDIFFDRIVER", "Differential driver" };
case TYPE::KIBIS_DIFFDEVICE: return { DEVICE_TYPE_::KIBIS, "IBISDIFFDEVICE", "Differential device" };
case TYPE::SUBCKT: return { DEVICE_TYPE_::SUBCKT, "", "" };
case TYPE::XSPICE: return { DEVICE_TYPE_::XSPICE, "", "" };
case TYPE::RAWSPICE: return { DEVICE_TYPE_::SPICE, "", "" };
@ -365,6 +367,9 @@ SIM_MODEL::SPICE_INFO SIM_MODEL::SpiceInfo( TYPE aType )
case TYPE::KIBIS_DEVICE: return { "X" };
case TYPE::KIBIS_DRIVER: return { "X" };
case TYPE::KIBIS_DIFFDEVICE: return { "X" };
case TYPE::KIBIS_DIFFDRIVER: return { "X" };
case TYPE::NONE:
case TYPE::RAWSPICE:
return {};
@ -949,6 +954,8 @@ std::unique_ptr<SIM_MODEL> SIM_MODEL::Create( TYPE aType )
case TYPE::KIBIS_DRIVER:
case TYPE::KIBIS_DEVICE:
case TYPE::KIBIS_DIFFDEVICE:
case TYPE::KIBIS_DIFFDRIVER:
return std::make_unique<SIM_MODEL_KIBIS>( aType );
case TYPE::RAWSPICE:

8
eeschema/sim/sim_model.h
View File

@ -298,6 +298,8 @@ public:
KIBIS_DRIVER,
KIBIS_DEVICE,
KIBIS_DIFFDEVICE,
KIBIS_DIFFDRIVER,
SUBCKT,
XSPICE,
@ -502,7 +504,7 @@ public:
DEVICE_TYPE_ GetDeviceType() const { return GetTypeInfo().deviceType; }
TYPE GetType() const { return m_type; }
const SIM_MODEL* GetBaseModel() const { return m_baseModel; }
virtual const SIM_MODEL* GetBaseModel() const { return m_baseModel; }
virtual void SetBaseModel( const SIM_MODEL& aBaseModel ) { m_baseModel = &aBaseModel; }
int GetPinCount() const { return static_cast<int>( m_pins.size() ); }
@ -517,7 +519,7 @@ public:
int GetParamCount() const { return static_cast<int>( m_params.size() ); }
const PARAM& GetParam( unsigned aParamIndex ) const; // Return base parameter unless it's overridden.
virtual const PARAM& GetParam( unsigned aParamIndex ) const; // Return base parameter unless it's overridden.
const PARAM* FindParam( const std::string& aParamName ) const;
@ -571,6 +573,7 @@ protected:
bool aAllowParamValuePairs = true );
std::vector<PARAM> m_params;
bool m_requiresUIUpdate = false;
const SIM_MODEL* m_baseModel;
private:
static TYPE readTypeFromSpiceStrings( const std::string& aTypeString,
@ -599,7 +602,6 @@ private:
std::unique_ptr<SPICE_GENERATOR> m_spiceGenerator;
const SIM_MODEL* m_baseModel;
const TYPE m_type;
std::vector<PIN> m_pins;

88
eeschema/sim/sim_model_kibis.cpp
View File

@ -59,16 +59,25 @@ SIM_MODEL_KIBIS::SIM_MODEL_KIBIS( TYPE aType, std::string aWfType ) :
{
SetParameters( aType, aWfType );
if( aType == SIM_MODEL::TYPE::KIBIS_DIFFDEVICE || aType == SIM_MODEL::TYPE::KIBIS_DIFFDRIVER )
{
AddPin( { "GND", "1" } );
AddPin( { "+", "2" } );
AddPin( { "-", "3" } );
}
else
{
AddPin( { "GND", "1" } );
AddPin( { "IN/OUT", "2" } );
}
}
SIM_MODEL_KIBIS::SIM_MODEL_KIBIS( TYPE aType, SIM_MODEL_KIBIS& aSource ) : SIM_MODEL_KIBIS( aType )
SIM_MODEL_KIBIS::SIM_MODEL_KIBIS( TYPE aType, const SIM_MODEL_KIBIS& aSource ) : SIM_MODEL_KIBIS( aType )
{
for( PARAM& param1 : m_params )
{
for( auto param2refwrap : aSource.GetParams() )
for( auto& param2refwrap : aSource.GetParams() )
{
const PARAM& param2 = param2refwrap.get();
@ -109,8 +118,10 @@ void SIM_MODEL_KIBIS::SetParameters( TYPE aType, std::string aWfType )
makeKibisParamInfos( SIM_MODEL::TYPE::KIBIS_DRIVER, SIM_MODEL_KIBIS::DRIVER_STUCKL );
static std::vector<PARAM::INFO> kibisparam_driver_highz =
makeKibisParamInfos( SIM_MODEL::TYPE::KIBIS_DRIVER, SIM_MODEL_KIBIS::DRIVER_HIGHZ );
static std::vector<PARAM::INFO> kibisparam_driver_prbs =
makeKibisParamInfos( SIM_MODEL::TYPE::KIBIS_DRIVER, SIM_MODEL_KIBIS::DRIVER_PRBS );
static std::vector<PARAM::INFO> kibisparam_driver_allParams =
makeKibisParamInfos( SIM_MODEL::TYPE::KIBIS_DRIVER, "NoInit" );
makeKibisParamInfos( SIM_MODEL::TYPE::KIBIS_DRIVER, SIM_MODEL_KIBIS::JOCKER );
m_requiresUIUpdate = true;
@ -118,7 +129,9 @@ void SIM_MODEL_KIBIS::SetParameters( TYPE aType, std::string aWfType )
switch( aType )
{
case SIM_MODEL::TYPE::KIBIS_DEVICE: params = &kibisparam_device; break;
case SIM_MODEL::TYPE::KIBIS_DEVICE:
case SIM_MODEL::TYPE::KIBIS_DIFFDEVICE: params = &kibisparam_device; break;
case SIM_MODEL::TYPE::KIBIS_DIFFDRIVER:
case SIM_MODEL::TYPE::KIBIS_DRIVER:
if( aWfType == SIM_MODEL_KIBIS::DRIVER_RECT )
@ -129,6 +142,8 @@ void SIM_MODEL_KIBIS::SetParameters( TYPE aType, std::string aWfType )
params = &kibisparam_driver_stuckl;
else if( aWfType == SIM_MODEL_KIBIS::DRIVER_HIGHZ )
params = &kibisparam_driver_highz;
else if( aWfType == SIM_MODEL_KIBIS::DRIVER_PRBS )
params = &kibisparam_driver_prbs;
else
params = &kibisparam_driver_allParams;
// All params allow for a newly created model to read any parameter
@ -137,6 +152,9 @@ void SIM_MODEL_KIBIS::SetParameters( TYPE aType, std::string aWfType )
default: wxFAIL; return;
}
m_params.clear();
/*
if( m_params.empty() )
{
for( const PARAM::INFO& paramInfo : *params )
@ -151,14 +169,10 @@ void SIM_MODEL_KIBIS::SetParameters( TYPE aType, std::string aWfType )
m_params.pop_back(); // waveform parameters are at the end of the vector
}
}
*/
for( const PARAM::INFO& paramInfo : *params )
{
if( paramInfo.category == PARAM::CATEGORY::WAVEFORM )
{
AddParam( paramInfo );
}
}
}
void SIM_MODEL_KIBIS::SetParameters( std::string aWfType )
@ -223,9 +237,26 @@ SIM_MODEL_KIBIS::makeKibisParamInfos( TYPE aType, std::string aWfType )
paramInfo.enumValues = { "TYP", "MIN", "MAX" };
paramInfos.push_back( paramInfo );
if ( aType == SIM_MODEL::TYPE::KIBIS_DEVICE )
if( aType == SIM_MODEL::TYPE::KIBIS_DEVICE || aType == SIM_MODEL::TYPE::KIBIS_DIFFDEVICE )
return paramInfos; // Devices have no waveform parameters
paramInfo.name = "wftype";
paramInfo.type = SIM_VALUE::TYPE_STRING;
paramInfo.unit = "";
paramInfo.category = PARAM::CATEGORY::WAVEFORM;
paramInfo.defaultValue = DRIVER_HIGHZ;
paramInfo.description = _( "Waveform" );
paramInfo.spiceModelName = "";
paramInfo.enumValues = { DRIVER_RECT, DRIVER_STUCKH, DRIVER_STUCKL, DRIVER_HIGHZ, DRIVER_PRBS };
paramInfos.push_back( paramInfo );
if( aWfType == DRIVER_STUCKH || aWfType == DRIVER_STUCKL || aWfType == DRIVER_HIGHZ )
{
return paramInfos;
}
paramInfo.name = "ac";
paramInfo.type = SIM_VALUE::TYPE_STRING;
paramInfo.unit = "";
@ -236,21 +267,9 @@ SIM_MODEL_KIBIS::makeKibisParamInfos( TYPE aType, std::string aWfType )
paramInfo.enumValues = { "low", "normal", "high" };
paramInfos.push_back( paramInfo );
paramInfo.name = "wftype";
paramInfo.type = SIM_VALUE::TYPE_STRING;
paramInfo.unit = "";
paramInfo.category = PARAM::CATEGORY::WAVEFORM;
paramInfo.defaultValue = DRIVER_HIGHZ;
paramInfo.description = _( "Waveform" );
paramInfo.spiceModelName = "";
paramInfo.enumValues = { DRIVER_RECT, DRIVER_STUCKH, DRIVER_STUCKL, DRIVER_HIGHZ };
paramInfos.push_back( paramInfo );
if ( aWfType == DRIVER_RECT || aWfType == JOCKER )
if( aWfType == DRIVER_STUCKH || aWfType == DRIVER_STUCKL || aWfType == DRIVER_HIGHZ )
{
return paramInfos;
}
paramInfo.name = "ton";
paramInfo.type = SIM_VALUE::TYPE_FLOAT;
paramInfo.unit = "s";
@ -277,6 +296,29 @@ SIM_MODEL_KIBIS::makeKibisParamInfos( TYPE aType, std::string aWfType )
paramInfo.description = _( "Delay" );
paramInfo.spiceModelName = "";
paramInfos.push_back( paramInfo );
}
if ( ( aWfType == DRIVER_PRBS ) || ( aWfType == JOCKER ) )
{
paramInfo.name = "f0";
paramInfo.type = SIM_VALUE::TYPE_FLOAT;
paramInfo.unit = "Hz";
paramInfo.category = PARAM::CATEGORY::WAVEFORM;
paramInfo.defaultValue = "";
paramInfo.description = _( "Bitrate" );
paramInfo.spiceModelName = "";
paramInfos.push_back( paramInfo );
paramInfo.name = "bits";
paramInfo.type = SIM_VALUE::TYPE_FLOAT;
paramInfo.unit = "Hz";
paramInfo.category = PARAM::CATEGORY::WAVEFORM;
paramInfo.defaultValue = "";
paramInfo.description = _( "Number of bits" );
paramInfo.spiceModelName = "";
paramInfos.push_back( paramInfo );
}
return paramInfos;
}

7
eeschema/sim/sim_model_kibis.h
View File

@ -50,13 +50,15 @@ class SIM_MODEL_KIBIS : public SIM_MODEL
static constexpr auto DRIVER_STUCKH = "stuck high";
static constexpr auto DRIVER_STUCKL = "stuck low";
static constexpr auto DRIVER_HIGHZ = "high Z";
static constexpr auto DRIVER_PRBS = "prbs";
static constexpr auto JOCKER = "kicadjocker"; // Gets all parameters
public:
SIM_MODEL_KIBIS( TYPE aType, std::string aWfType = "NoInit" );
// @brief Special copy constructor
// creates a a model with aType, but tries to match parameters from aSource.
SIM_MODEL_KIBIS( TYPE aType, SIM_MODEL_KIBIS& aSource );
SIM_MODEL_KIBIS( TYPE aType, const SIM_MODEL_KIBIS& aSource );
SIM_MODEL_KIBIS( TYPE aType, SIM_MODEL_KIBIS& aSource, const std::vector<LIB_FIELD>& aFields );
SIM_MODEL_KIBIS( TYPE aType, SIM_MODEL_KIBIS& aSource, const std::vector<SCH_FIELD>& aFields );
@ -80,6 +82,9 @@ public:
: m_componentName;
};
const PARAM& GetParam( unsigned aParamIndex ) const override { return m_params.at( aParamIndex ); };
/** @brief update the list of available models based on the pin number.
* */
bool ChangePin( SIM_LIBRARY_KIBIS& aLib, std::string aPinNumber );

99
pcbnew/ibis/kibis.cpp
View File

@ -481,6 +481,7 @@ std::string KIBIS_MODEL::generateSquareWave( std::string aNode1, std::string aNo
{
IBIS_CORNER supply = aParam.m_supply;
std::string simul;
std::vector<int>stimuliIndex;
IbisWaveform risingWF = TrimWaveform( *( aPair.first ) );
IbisWaveform fallingWF = TrimWaveform( *( aPair.second ) );
@ -495,16 +496,24 @@ std::string KIBIS_MODEL::generateSquareWave( std::string aNode1, std::string aNo
double delta = deltaR + deltaF;
int i = 0;
int prevBit = 2;
for( std::pair<int, double> bit : aBits )
{
IbisWaveform* WF;
double timing = bit.second;
if ( bit.first != prevBit )
{
if( bit.first == 1 )
WF = &risingWF;
else
WF = &fallingWF;
stimuliIndex.push_back( i );
simul += "Vstimuli";
simul += std::to_string( i );
simul += " stimuli";
@ -534,8 +543,10 @@ std::string KIBIS_MODEL::generateSquareWave( std::string aNode1, std::string aNo
simul += " ";
}
simul += ")\n";
}
i++;
prevBit = bit.first;
}
simul += "bin ";
@ -544,7 +555,7 @@ std::string KIBIS_MODEL::generateSquareWave( std::string aNode1, std::string aNo
simul += aNode2;
simul += " v=(";
for( size_t ii = 0; ii < aBits.size(); ii++ )
for( int ii: stimuliIndex )
{
simul += " v( stimuli";
simul += std::to_string( ii );
@ -797,6 +808,13 @@ std::string KIBIS_PIN::KuKdDriver( KIBIS_MODEL& aMode
simul += aModel.generateSquareWave( "DIE0", "GND", bits, aPair, aParam );
break;
}
case KIBIS_WAVEFORM_TYPE::PRBS:
{
KIBIS_WAVEFORM_PRBS* prbsWave = dynamic_cast<KIBIS_WAVEFORM_PRBS*>( wave );
std::vector<std::pair<int, double>> bits = prbsWave->GenerateBitSequence();
simul += aModel.generateSquareWave( "DIE0", "GND", bits, aPair, aParam );
break;
}
case KIBIS_WAVEFORM_TYPE::STUCK_HIGH:
{
IbisWaveform* waveform = wave->inverted ? risingWF : fallingWF;
@ -901,8 +919,15 @@ void KIBIS_PIN::getKuKdOneWaveform( KIBIS_MODEL& aMod
switch( wave->GetType() )
{
case KIBIS_WAVEFORM_TYPE::RECTANGULAR: simul += ".tran 0.1n 1000n \n"; break;
case KIBIS_WAVEFORM_TYPE::PRBS:
case KIBIS_WAVEFORM_TYPE::RECTANGULAR:
{
double duration = wave->GetDuration();
simul += ".tran 0.1n ";
simul += doubleToString( duration );
simul += "\n";
break;
}
case KIBIS_WAVEFORM_TYPE::HIGH_Z:
case KIBIS_WAVEFORM_TYPE::STUCK_LOW:
case KIBIS_WAVEFORM_TYPE::STUCK_HIGH:
@ -1097,15 +1122,30 @@ void KIBIS_PIN::getKuKdTwoWaveforms( KIBIS_MODEL& aMo
Report( _( "Driver needs at least a pullup or a pulldown" ), RPT_SEVERITY_ERROR );
}
simul += ".tran 0.1n 1000n \n";
switch( wave->GetType() )
{
case KIBIS_WAVEFORM_TYPE::RECTANGULAR:
case KIBIS_WAVEFORM_TYPE::PRBS:
{
double duration = wave->GetDuration();
simul += ".tran 0.1n ";
simul += doubleToString( duration );
simul += "\n";
break;
}
case KIBIS_WAVEFORM_TYPE::HIGH_Z:
case KIBIS_WAVEFORM_TYPE::STUCK_LOW:
case KIBIS_WAVEFORM_TYPE::STUCK_HIGH:
default: simul += ".tran 0.5 1 \n"; //
}
//simul += ".dc Vpin -5 5 0.1\n";
simul += ".control run \n";
simul += "set filetype=ascii\n";
simul += "run \n";
simul += "plot v(KU) v(KD)\n";
simul += "plot v(x1.DIE0) \n";
//simul += "plot v(x1.DIE0) \n";
simul += "write temp_output.spice v(KU) v(KD)\n"; // @TODO we might want to remove this...
//simul += "quit\n";
simul += "quit\n";
simul += ".endc \n";
simul += ".end \n";
@ -1142,13 +1182,13 @@ bool KIBIS_PIN::writeSpiceDriver( std::string* aDest, std::string aName, KIBIS_M
if( m_parent )
{
result += m_parent->m_name;
//result += m_parent->m_name;
}
result += "\n*Manufacturer: ";
if( m_parent )
{
result += m_parent->m_manufacturer;
//result += m_parent->m_manufacturer;
}
result += "\n*Pin number: ";
result += m_pinNumber;
@ -1303,13 +1343,13 @@ bool KIBIS_PIN::writeSpiceDiffDriver( std::string* aDest, std::string aName, KIB
if( m_parent )
{
result += m_parent->m_name;
//result += m_parent->m_name;
}
result += "\n*Manufacturer: ";
if( m_parent )
{
result += m_parent->m_manufacturer;
//result += m_parent->m_manufacturer;
}
result += "\n.SUBCKT ";
@ -1350,13 +1390,13 @@ bool KIBIS_PIN::writeSpiceDiffDevice( std::string* aDest, std::string aName, KIB
if( m_parent )
{
result += m_parent->m_name;
//result += m_parent->m_name;
}
result += "\n*Manufacturer: ";
if( m_parent )
{
result += m_parent->m_manufacturer;
//result += m_parent->m_manufacturer;
}
result += "\n.SUBCKT ";
@ -1414,3 +1454,38 @@ void KIBIS_PARAMETER::SetCornerFromString( IBIS_CORNER& aCorner, std::string aSt
else
aCorner = IBIS_CORNER::TYP;
}
std::vector<std::pair<int, double>> KIBIS_WAVEFORM_PRBS::GenerateBitSequence()
{
std::vector<std::pair<int, double>> bitSequence;
uint8_t polynomial = 0b1100000;
//1100000 = x^7+x^6+1
//10100 = x^5+x^3+1
//110 = x^3+x^2+1
uint8_t seed = 0x12; // Any non zero state
uint8_t lfsr = seed;
if ( m_bitrate == 0 )
return bitSequence;
double period = 1/m_bitrate;
double t = 0;
m_bits = abs( m_bits ); // Just to be sure.
int bits = 0;
do
{
uint8_t lsb = lfsr & 0x01;
bitSequence.emplace_back( ( inverted ^ lsb ? 1 : 0 ), t );
lfsr = lfsr >> 1;
if ( lsb )
lfsr ^= polynomial;
t += period;
} while ( ++bits < m_bits );
return bitSequence;
}

19
pcbnew/ibis/kibis.h
View File

@ -51,6 +51,7 @@ public:
enum KIBIS_WAVEFORM_TYPE
{
NONE = 0, // Used for three state
PRBS,
RECTANGULAR,
STUCK_HIGH,
STUCK_LOW,
@ -63,6 +64,7 @@ class KIBIS_WAVEFORM
public:
KIBIS_WAVEFORM(){};
KIBIS_WAVEFORM_TYPE GetType() { return m_type; };
virtual double GetDuration() { return 1; };
bool inverted = false; // Used for differential drivers
virtual ~KIBIS_WAVEFORM(){};
@ -76,8 +78,23 @@ public:
KIBIS_WAVEFORM_RECTANGULAR() : KIBIS_WAVEFORM() { m_type = KIBIS_WAVEFORM_TYPE::RECTANGULAR; };
double m_ton = 100e-9;
double m_toff = 100e-9;
int m_cycles = 10;
int m_cycles = 1;
double m_delay = 0;
double GetDuration() override { return ( m_ton + m_toff ) * m_cycles; };
};
// For now, we only support PRBS7
class KIBIS_WAVEFORM_PRBS : public KIBIS_WAVEFORM
{
public:
KIBIS_WAVEFORM_PRBS() : KIBIS_WAVEFORM() { m_type = KIBIS_WAVEFORM_TYPE::PRBS; };
double m_bitrate = 10e6;
double m_delay = 0;
double m_bits = 10;
std::vector<std::pair<int, double>> GenerateBitSequence();
double GetDuration() override { return m_bits / m_bitrate ; };
};
class KIBIS_WAVEFORM_STUCK_HIGH : public KIBIS_WAVEFORM

2
qa/ibis/qaIbisParser.cpp
View File

@ -43,6 +43,8 @@ int main( void )
KIBIS_PARAMETER params;
params.m_waveform = new KIBIS_WAVEFORM_RECTANGULAR();
pin2->writeSpiceDevice( tmp4, "device_typ", *( pin2->m_models.at( 0 ) ), params );
KIBIS_MODEL* model1 = pin1->m_models.at( 0 );