chipdefbase.cpp

用C语言设计的EPSON LCD控制器S1D13700驱动。

		bool   RetVal = false;
		UInt32 iFeatureValue;
		UInt32 Value;

		switch ( m_Features[iFeature].Type )
		{
		  case FT_NUMB:
		  case FT_ADDR:
			RetVal = SetFeatureNumValue( Keyname, atoi32(StrValue,m_Features[iFeature].Radix) );
			break;

		  case FT_FREQ:
			RetVal = SetFeatureNumValue( Keyname, atohz(StrValue,MHZ) );
			break;

		  case FT_TEXT:
			assert( false );	// The chip-specific class should have handled this!
			break;

		  case FT_LIST:
			if ( LookupFeatureValue(iFeature,StrValue,&iFeatureValue) )
				RetVal = SetFeatureRawValue( Keyname, m_Features[iFeature].Values[iFeatureValue].Index );
			break;

		  case FT_BOOL:
			if ( stricmp(StrValue,"Enabled")==0 || stricmp(StrValue,"True")==0 || stricmp(StrValue,"T")==0 || stricmp(StrValue,"On")==0 || stricmp(StrValue,"1")==0 )
				Value = 1;
			else if ( stricmp(StrValue,"Disabled")==0 || stricmp(StrValue,"False")==0  || stricmp(StrValue,"F")==0 || stricmp(StrValue,"Off")==0 || stricmp(StrValue,"0")==0 )
				Value = 0;
			else
				return false;	// Unknown string.
			if ( m_Features[iFeature].BoolInvert )
				Value = Value ? 0 : 1;
			RetVal = SetFeatureRawValue( Keyname, Value );
			break;

		  case FT_SEQU:
			{
				int    i = 0;
				int    iLabel = 0;
				int	   nItems = 0;
				UInt32 Type;
				UInt32 Value;
				char   Label[256];

				RetVal = true;
				while ( StrValue[i] )
				{
					switch ( StrValue[i++] )
					{
						case 'c': Type=SEQ_COMMAND;								break;
						case 'p': Type=SEQ_PARAM;								break;
						case 'd': Type=SEQ_DELAY;								break;
						default:  while (StrValue[i] && StrValue[i]!=';') i++;	continue;
					}
					Value = atoi32( StrValue+i, (Type==SEQ_DELAY?10:16) );
					while ( StrValue[i] && StrValue[i]!='(' && StrValue[i]!=' ' )
						i++;
					iLabel = 0;
					if ( StrValue[i] == '(' )
					{
						i++;
						while ( StrValue[i] && StrValue[i]!=')' && StrValue[i]!=';' && iLabel<sizeof(Label)-1 )
							Label[iLabel++] = StrValue[i++];
						if ( StrValue[i] == ')' )
							i++;
					}
					Label[iLabel] = '\0';
					RetVal = SetFeatureSeqValue(Keyname,nItems++,Type,Value,Label) && RetVal;
					while ( StrValue[i] == ' ' )
						i++;
				}
				SetFeatureSeqCount( Keyname, nItems );
			}
			break;
		}

		return RetVal;
	}
	assert( false ); // ERROR: either this keyname doesn't exist, or you should have called IsFeatureValid() first!
	return false;
}




int ChipDefBase::GetFeatureAddrOffset( in const char* Keyname )
{
	UInt32 iFeature;

	if ( LookupFeature(Keyname,&iFeature) )
	{
		assert( m_Features[iFeature].Type==FT_ADDR );
		return m_Features[iFeature].OffsetOf;
	}
	assert( false ); // ERROR: either this keyname doesn't exist, or you should have called IsFeatureValid() first!
	return 0;
}




bool ChipDefBase::GetFeatureListValues( in const char* Keyname, in int ListIndex, out UInt32* RawValue, out UInt32* ToRawValue )
{
	UInt32 iFeature;

	if ( LookupFeature(Keyname,&iFeature) )
	{
		bool RetVal = false;

		switch ( m_Features[iFeature].Type )
		{
		  case FT_LIST:
		  case FT_BOOL:
			if ( m_Features[iFeature].NumValues == 0 )
			{
				// Note: This is a LIST item with no items. We must assume that it's a NEEDSCODE item.  Pretend that there is only one
				// value. This is important, because we use this to fake a constant value that is not a TEXT feature.  For instance,
				// if we want to fake a 'PCLK Source = SYSCLK' even though no such register exists, we can use a LIST item with NEEDSCODE
				// to fake it, because if we use a TEXT feature, double-quotes would show up: 'PCLK Source = "SYSCLK"'.  [ROC SEP-10-2002]
				if ( ListIndex == 0 )
				{
					if ( RawValue != NULL )
						*RawValue = 0;
					if ( ToRawValue != NULL )
						*ToRawValue = 0;
					RetVal = true;
				}
			}
			else if ( ListIndex < (int)m_Features[iFeature].NumValues )
			{
				UInt32 RealIndex = GetFeatureValueRealIndex( Keyname, ListIndex );

				if ( RawValue != NULL )
					*RawValue = m_Features[iFeature].Values[RealIndex].Index;
				if ( ToRawValue != NULL )
					*ToRawValue = m_Features[iFeature].Values[RealIndex].ToIndex;
				RetVal = true;
			}
			break;

		  default:
		  case FT_NUMB:
		  case FT_ADDR:
		  case FT_FREQ:
		  case FT_TEXT:
			assert( false );
			break;
		}

		return RetVal;
	}
	assert( false ); // ERROR: either this keyname doesn't exist, or you should have called IsFeatureValid() first!
	return false;
}




bool ChipDefBase::IsFeatureListIndexValid( in const char* Keyname, in UInt32 ListIndex )
{
	bool   RetVal = false;
	UInt32 iFeature;

	if ( LookupFeature(Keyname,&iFeature) )
	{
		switch ( m_Features[iFeature].Type )
		{
		  case FT_LIST:
		  case FT_BOOL:
			if ( m_Features[iFeature].NumValues )
				RetVal = MatchToCurrentProduct( m_Features[iFeature].Values[GetFeatureValueRealIndex(Keyname,ListIndex)].Product );
			else
				RetVal = true;
			break;

		  default:
		  case FT_NUMB:
		  case FT_ADDR:
		  case FT_FREQ:
		  case FT_TEXT:
			assert( false );
			break;
		}
	}
	return RetVal;
}




bool ChipDefBase::IsFeatureListIndexReserved( in const char* Keyname, in UInt32 ListIndex )
{
	UInt32 iFeature;

	if ( LookupFeature(Keyname,&iFeature) )
	{
		bool RetVal = false;

		switch ( m_Features[iFeature].Type )
		{
		  case FT_LIST:
		  case FT_BOOL:
			if ( m_Features[iFeature].NumValues )
			{
				UInt32 RealIndex = GetFeatureValueRealIndex( Keyname, ListIndex );
				RetVal = m_Features[iFeature].Values[RealIndex].Reserved && MatchToCurrentProduct( m_Features[iFeature].Values[RealIndex].Reserved );
			}
			else
				RetVal = false;
			break;

		  default:
		  case FT_NUMB:
		  case FT_ADDR:
		  case FT_FREQ:
		  case FT_TEXT:
			assert( false );
			break;
		}
		return RetVal;
	}
	assert( false ); // ERROR: either this keyname doesn't exist, or you should have called IsFeatureValid() first!
	return false;
}




bool ChipDefBase::IsFeatureListIndexReadOnly( in const char* Keyname, in UInt32 ListIndex )
{
	UInt32 iFeature;

	if ( LookupFeature(Keyname,&iFeature) )
	{
		bool RetVal = false;

		switch ( m_Features[iFeature].Type )
		{
		  case FT_LIST:
		  case FT_BOOL:
			if ( m_Features[iFeature].NumValues )
			{
				UInt32 iFeatureValue = GetFeatureValueRealIndex( Keyname, ListIndex );
				RetVal = ( m_Features[iFeature].Values[iFeatureValue].ReadValueName!=NULL && m_Features[iFeature].Values[iFeatureValue].WriteValueName==NULL );
			}
			else
				RetVal = false;
			break;

		  default:
		  case FT_NUMB:
		  case FT_ADDR:
		  case FT_FREQ:
		  case FT_TEXT:
			assert( false );
			break;
		}

		return RetVal;
	}
	assert( false ); // ERROR: either this keyname doesn't exist, or you should have called IsFeatureValid() first!
	return false;
}




bool ChipDefBase::IsFeatureListIndexWriteOnly( in const char* Keyname, in UInt32 ListIndex )
{
	UInt32 iFeature;

	if ( LookupFeature(Keyname,&iFeature) )
	{
		bool RetVal = false;

		switch ( m_Features[iFeature].Type )
		{
		  case FT_LIST:
		  case FT_BOOL:
			if ( m_Features[iFeature].NumValues )
			{
				UInt32 iFeatureValue = GetFeatureValueRealIndex( Keyname, ListIndex );
				RetVal = ( m_Features[iFeature].Values[iFeatureValue].ReadValueName==NULL && m_Features[iFeature].Values[iFeatureValue].WriteValueName!=NULL );
			}
			else
				RetVal = false;
			break;

		  default:
		  case FT_NUMB:
		  case FT_ADDR:
		  case FT_FREQ:
		  case FT_TEXT:
			assert( false );
			break;
		}

		return RetVal;
	}
	assert( false ); // ERROR: either this keyname doesn't exist, or you should have called IsFeatureValid() first!
	return false;
}




bool ChipDefBase::IsFeatureListIndexRWDiff( in const char* Keyname, in UInt32 ListIndex )
{
	UInt32 iFeature;

	if ( LookupFeature(Keyname,&iFeature) )
	{
		bool RetVal = false;

		switch ( m_Features[iFeature].Type )
		{
		  case FT_LIST:
		  case FT_BOOL:
			if ( m_Features[iFeature].NumValues )
			{
				UInt32 iFeatureValue = GetFeatureValueRealIndex( Keyname, ListIndex );
				RetVal = ( m_Features[iFeature].Values[iFeatureValue].ReadValueName!=NULL || m_Features[iFeature].Values[iFeatureValue].WriteValueName!=NULL );
			}
			else
				return false;
			break;

		  default:
		  case FT_NUMB:
		  case FT_ADDR:
		  case FT_FREQ:
		  case FT_TEXT:
			assert( false );
			break;
		}

		return RetVal;
	}
	assert( false ); // ERROR: either this keyname doesn't exist, or you should have called IsFeatureValid() first!
	return false;
}




bool ChipDefBase::GetFeatureListIndex( in const char* Keyname, out int* ListIndex )
{
	UInt32 iFeature;

	assert( ListIndex != NULL );

	if ( LookupFeature(Keyname,&iFeature) )
	{
		UInt32 FromValue;
		UInt32 ToValue;
		UInt32 RawValue;

		if ( m_Features[iFeature].NumValues )
		{
			RawValue = GetFeatureRawValue( Keyname );
			for ( int i=0; GetFeatureListValues(Keyname,i,&FromValue,&ToValue); i++ )
			{
				if ( RawValue>=FromValue && RawValue<=ToValue )
				{
					*ListIndex = i;
					return true;
				}
			}
		}
		else
		{
			*ListIndex = 0;
			return true;
		}
	}
	*ListIndex = 0;
	return false;
}




bool ChipDefBase::SetFeatureListIndex( in const char* Keyname, in int ListIndex )
{
	UInt32 iFeature;

	if ( LookupFeature(Keyname,&iFeature) )
	{
		switch ( m_Features[iFeature].Type )
		{
		  case FT_LIST:
		  case FT_BOOL:
			if ( m_Features[iFeature].NumValues )
				SetFeatureRawValue( Keyname, m_Features[iFeature].Values[GetFeatureValueRealIndex(Keyname,ListIndex)].Index );
			break;

		  default:
		  case FT_NUMB:
		  case FT_ADDR:
		  case FT_FREQ:
		  case FT_TEXT:
			assert( false );
			break;
		}

		return true;
	}
	assert( false ); // ERROR: either this keyname doesn't exist, or you should have called IsFeatureValid() first!
	return false;
}




bool ChipDefBase::GetFeatureSeqValue( in const char* Keyname, in int ListIndex, out UInt32* Type, out UInt32* Value, out char* *Label )
{
	assert( false );	// The chip-specific class should have handled this!
	return false;
}




bool ChipDefBase::SetFeatureSeqValue( in const char* Keyname, in int ListIndex, in UInt32 Type, in UInt32 Value, in char* Label )
{
	assert( false );	// The chip-specific class should have handled this!
	return false;
}




int ChipDefBase::GetFeatureSeqMax( in const char* Keyname )
{
	assert( false );	// The chip-specific class should have handled this!
	return 0;
}




int ChipDefBase::GetFeatureSeqCount( in const char* Keyname )
{
	assert( false );	// The chip-specific class should have handled this!
	return 0;
}




bool ChipDefBase::SetFeatureSeqCount( in const char* Keyname, in int nItems )