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/*
* Copyright (c) 2011-2014, Intel Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation and/or
* other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors
* may be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "BitParameter.h"
#include "BitParameterType.h"
#include "ParameterAccessContext.h"
#include "ConfigurationAccessContext.h"
#include "ParameterBlackboard.h"
#include "BitParameterBlock.h"
#include "BitwiseAreaConfiguration.h"
#define base CBaseParameter
using std::string;
CBitParameter::CBitParameter(const string& strName, const CTypeElement* pTypeElement) : base(strName, pTypeElement)
{
}
// Type
CInstanceConfigurableElement::Type CBitParameter::getType() const
{
return EBitParameter;
}
// Size
uint32_t CBitParameter::getBelongingBlockSize() const
{
return static_cast<const CBitParameterBlock*>(getParent())->getSize();
}
// Instantiation, allocation
uint32_t CBitParameter::getFootPrint() const
{
// Allocation done at parent level
return 0;
}
// Actual parameter access (tuning)
bool CBitParameter::doSetValue(const string& strValue, uint32_t uiOffset, CParameterAccessContext& parameterAccessContext) const
{
return doSet(strValue, uiOffset, parameterAccessContext);
}
void CBitParameter::doGetValue(string& strValue, uint32_t uiOffset, CParameterAccessContext& parameterAccessContext) const
{
doGet(strValue, uiOffset, parameterAccessContext);
}
/// Value access
// Boolean access
bool CBitParameter::accessAsBoolean(bool& bValue, bool bSet, CParameterAccessContext& parameterAccessContext) const
{
// Check boolean access validity here
if (static_cast<const CBitParameterType*>(getTypeElement())->getBitSize() != 1) {
parameterAccessContext.setError("Type mismatch");
appendParameterPathToError(parameterAccessContext);
return false;
}
// Rely on integer access
uint64_t uiValue;
if (bSet) {
uiValue = bValue;
}
if (!accessAsInteger(uiValue, bSet, parameterAccessContext)) {
return false;
}
if (!bSet) {
bValue = uiValue != 0;
}
return true;
}
// Integer Access
bool CBitParameter::accessAsInteger(uint64_t& uiValue, bool bSet, CParameterAccessContext& parameterAccessContext) const
{
uint32_t uiOffset = getOffset();
if (bSet) {
// Set Value
if (!doSet(uiValue, uiOffset, parameterAccessContext)) {
appendParameterPathToError(parameterAccessContext);
return false;
}
// Synchronize
if (!sync(parameterAccessContext)) {
appendParameterPathToError(parameterAccessContext);
return false;
}
} else {
// Convert
doGet(uiValue, uiOffset, parameterAccessContext);
}
return true;
}
template <typename type>
bool CBitParameter::doSet(type value, uint32_t uiOffset, CParameterAccessContext& parameterAccessContext) const
{
uint64_t uiData = 0;
// Read/modify/write
CParameterBlackboard* pBlackboard = parameterAccessContext.getParameterBlackboard();
// Beware this code works on little endian architectures only!
pBlackboard->readInteger(&uiData, getBelongingBlockSize(), uiOffset, parameterAccessContext.isBigEndianSubsystem());
// Convert
if (!static_cast<const CBitParameterType*>(getTypeElement())->toBlackboard(value, uiData, parameterAccessContext)) {
return false;
}
// Write blackboard
pBlackboard->writeInteger(&uiData, getBelongingBlockSize(), uiOffset, parameterAccessContext.isBigEndianSubsystem());
return true;
}
template <typename type>
void CBitParameter::doGet(type& value, uint32_t uiOffset, CParameterAccessContext& parameterAccessContext) const
{
uint64_t uiData = 0;
// Read blackboard
const CParameterBlackboard* pBlackboard = parameterAccessContext.getParameterBlackboard();
// Beware this code works on little endian architectures only!
pBlackboard->readInteger(&uiData, getBelongingBlockSize(), uiOffset, parameterAccessContext.isBigEndianSubsystem());
// Convert
static_cast<const CBitParameterType*>(getTypeElement())->fromBlackboard(value, uiData, parameterAccessContext);
}
// AreaConfiguration creation
CAreaConfiguration* CBitParameter::createAreaConfiguration(const CSyncerSet* pSyncerSet) const
{
return new CBitwiseAreaConfiguration(this, pSyncerSet);
}
// Access from area configuration
uint64_t CBitParameter::merge(uint64_t uiOriginData, uint64_t uiNewData) const
{
// Convert
return static_cast<const CBitParameterType*>(getTypeElement())->merge(uiOriginData, uiNewData);
}
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