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/* <auto_header>
* <FILENAME>
*
* INTEL CONFIDENTIAL
* Copyright © 2011 Intel
* Corporation All Rights Reserved.
*
* The source code contained or described herein and all documents related to
* the source code ("Material") are owned by Intel Corporation or its suppliers
* or licensors. Title to the Material remains with Intel Corporation or its
* suppliers and licensors. The Material contains trade secrets and proprietary
* and confidential information of Intel or its suppliers and licensors. The
* Material is protected by worldwide copyright and trade secret laws and
* treaty provisions. No part of the Material may be used, copied, reproduced,
* modified, published, uploaded, posted, transmitted, distributed, or
* disclosed in any way without Intel’s prior express written permission.
*
* No license under any patent, copyright, trade secret or other intellectual
* property right is granted to or conferred upon you by disclosure or delivery
* of the Materials, either expressly, by implication, inducement, estoppel or
* otherwise. Any license under such intellectual property rights must be
* express and approved by Intel in writing.
*
* AUTHOR: Patrick Benavoli (patrickx.benavoli@intel.com)
* CREATED: 2011-06-01
* UPDATED: 2011-07-27
*
*
* </auto_header>
*/
#include "SubsystemObject.h"
#include "InstanceConfigurableElement.h"
#include "ParameterBlackboard.h"
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include <sstream>
CSubsystemObject::CSubsystemObject(CInstanceConfigurableElement* pInstanceConfigurableElement)
: _pInstanceConfigurableElement(pInstanceConfigurableElement),
_uiDataSize(pInstanceConfigurableElement->getFootPrint()),
_pucBlackboardLocation(NULL),
_uiAccessedIndex(0)
{
// Syncer
_pInstanceConfigurableElement->setSyncer(this);
}
CSubsystemObject::~CSubsystemObject()
{
_pInstanceConfigurableElement->unsetSyncer();
}
// Blackboard data location
uint8_t* CSubsystemObject::getBlackboardLocation() const
{
return _pucBlackboardLocation;
}
// Size
uint32_t CSubsystemObject::getSize() const
{
return _uiDataSize;
}
// Conversion utility
uint32_t CSubsystemObject::asInteger(const string& strValue)
{
return strtoul(strValue.c_str(), NULL, 0);
}
string CSubsystemObject::asString(uint32_t uiValue)
{
ostringstream ostr;
ostr << uiValue;
return ostr.str();
}
// Synchronization
bool CSubsystemObject::sync(CParameterBlackboard& parameterBlackboard, bool bBack, string& strError)
{
// Get blackboard location
_pucBlackboardLocation = parameterBlackboard.getLocation(_pInstanceConfigurableElement->getOffset());
// Access index init
_uiAccessedIndex = 0;
#ifdef SIMULATION
return true;
#endif
// Synchronize to/from HW
if (bBack) {
// Read from HW
if (!accessHW(true, strError)) {
strError = "Unable to back synchronize configurable element " + _pInstanceConfigurableElement->getPath() + ": " + strError;
return false;
}
} else {
// Send to HW
if (!accessHW(false, strError)) {
strError = "Unable to synchronize configurable element " + _pInstanceConfigurableElement->getPath() + ": " + strError;
return false;
}
}
return true;
}
// Sync to/from HW
bool CSubsystemObject::sendToHW(string& strError)
{
strError = "Send to HW interface not implemented at subsystsem level!";
return false;
}
bool CSubsystemObject::receiveFromHW(string& strError)
{
strError = "Receive from HW interface not implemented at subsystsem level!";
return false;
}
// Fall back HW access
bool CSubsystemObject::accessHW(bool bReceive, string& strError)
{
// Default access falls back
if (bReceive) {
return receiveFromHW(strError);
} else {
return sendToHW(strError);
}
}
// Blackboard access from subsystems
void CSubsystemObject::blackboardRead(void* pvData, uint32_t uiSize)
{
assert(_uiAccessedIndex + uiSize <= _uiDataSize);
memcpy(pvData, _pucBlackboardLocation + _uiAccessedIndex, uiSize);
_uiAccessedIndex += uiSize;
}
void CSubsystemObject::blackboardWrite(const void* pvData, uint32_t uiSize)
{
assert(_uiAccessedIndex + uiSize <= _uiDataSize);
memcpy(_pucBlackboardLocation + _uiAccessedIndex, pvData, uiSize);
_uiAccessedIndex += uiSize;
}
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