// this function gets index of user variables structure pointer in objects table
int getUserId( TValObjPtrs* _pValObjs )
{
int i = -1;
while ( _pValObjs[++i].hHdl != NULL );
if ( _pValObjs[i].pUserVars != NULL )
return i;
else
{
return -1;
vhpi_assert( (vhpiSeverityT)vhpiFailure, "getUserId(): Pointer to user variables structure not found");
}
}
// this function gets index of object in objects table for given object handle
int getId( vhpiHandleT _hHdl, TValObjPtrs* _pValObjs )
{
int i = -1;
while ( _pValObjs[++i].hHdl )
if ( vhpi_compare_handles( _pValObjs[i].hHdl, _hHdl ) == 1 )
{
return i;
break;
}
vhpi_printf( "getId(): i = %d, Object Handle: %d \n", i, _hHdl );
vhpi_assert( (vhpiSeverityT)vhpiFailure, "getId(): Object not found");
return -1;
}
// this function gets index of object in objects table for given object name
int getId( char* _szName, TValObjPtrs* _pValObjs )
{
int i = -1;
// search structures table for object name
while ( _pValObjs[++i].szName )
{
if ( stricmp( _szName, _pValObjs[i].szName ) == 0 )
{
return i;
break;
}
}
vhpi_printf( "getId(): i = %d, Object Name: %s \n", i, _szName );
vhpi_assert( (vhpiSeverityT)vhpiFailure, "getId(): Object not found");
return -1;
}
// this function adjusts clock delays and checks if they are valid
void adjustClock( signed int _nUnit, unsigned int _nPeriod, double _rDuty, vhpiTimeT* _tHighDelay, vhpiTimeT* _tLowDelay )
{
vhpiPhysT tTimeUnit;
// get simulation time unit
tTimeUnit = vhpi_get_phys( vhpiSimTimeUnitP, NULL );
// check if integer value corresponding to unit is correct
if ( ( _nUnit != -15 ) && ( _nUnit != -12 ) && ( _nUnit != -9 ) && ( _nUnit != -6 ) && ( _nUnit != -3 ) && ( _nUnit != 0 ) )
{
// if not, set to ns and report problem
vhpi_printf( "adjustClock(): Selected clock unit is illegal. Setting unit to ns.\n" );
_nUnit = -9;
}
// check if real value corresponding to duty cycle is correct
if ( ( _rDuty < 0.01 ) || ( _rDuty > 0.99 ) )
{
// if not, set to 0.50 and report problem
vhpi_printf( "Selected clock duty cycle is out of legal range. Setting duty cycle to 50%.\n" );
_rDuty = 0.50;
}
// express clock period in simulation units
double rPeriod = _nPeriod * pow( 10, abs( tTimeUnit.low ) + _nUnit ); // clock period in simulation units
unsigned int nLowTime = (unsigned int)( rPeriod * ( 1 - _rDuty ) ); // clock low state duration in simulation units
unsigned int nHighTime = (unsigned int)( rPeriod * _rDuty ); // clock high state duration in simulation units
// check if period to simulation unit ratio is greater or equal than 100
if ( rPeriod < 100 )
{
vhpi_assert( (vhpiSeverityT)vhpiFailure, "Selected clock period requires greater simulation resolution.");
vhpi_sim_control( vhpiFinish );
}
_tHighDelay->low = nHighTime;
_tLowDelay->low = nLowTime;
}
static void check_error(void)
{
vhpiErrorInfoT info;
if (vhpi_check_error(&info))
vhpi_assert(vhpiFailure, "unexpected error '%s'", info.message);
}
