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      1 /*
      2  * Copyright (c) 2011-2015, Intel Corporation
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      4  *
      5  * Redistribution and use in source and binary forms, with or without modification,
      6  * are permitted provided that the following conditions are met:
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      8  * 1. Redistributions of source code must retain the above copyright notice, this
      9  * list of conditions and the following disclaimer.
     10  *
     11  * 2. Redistributions in binary form must reproduce the above copyright notice,
     12  * this list of conditions and the following disclaimer in the documentation and/or
     13  * other materials provided with the distribution.
     14  *
     15  * 3. Neither the name of the copyright holder nor the names of its contributors
     16  * may be used to endorse or promote products derived from this software without
     17  * specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
     20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     21  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     22  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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     28  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 #include <fstream>
     31 #include <string>
     32 #include <sstream>
     33 #include <cstdlib>
     34 #include <cassert>
     35 #include <iostream>
     36 #include "ParameterType.h"
     37 #include "MappingContext.h"
     38 #include "SkeletonMappingKeys.h"
     39 #include "InstanceConfigurableElement.h"
     40 #include "SkeletonSubsystemObject.h"
     41 
     42 #define STR_FORMAT_LENGTH 32
     43 
     44 #define base CFormattedSubsystemObject
     45 
     46 using std::string;
     47 
     48 CSkeletonSubsystemObject::CSkeletonSubsystemObject(
     49     const string &strMappingValue, CInstanceConfigurableElement *pInstanceConfigurableElement,
     50     const CMappingContext &context, core::log::Logger &logger)
     51     : base(pInstanceConfigurableElement, logger, strMappingValue, EAmend1, EAmendEnd - EAmend1 + 1,
     52            context),
     53       _bWrongElementTypeError(false)
     54 {
     55     // Get actual element type
     56     const CParameterType *pParameterType =
     57         static_cast<const CParameterType *>(pInstanceConfigurableElement->getTypeElement());
     58 
     59     // Retrieve sizes
     60     _scalarSize = pParameterType->getSize();
     61     _arraySize = pInstanceConfigurableElement->getFootPrint() / _scalarSize;
     62 
     63     // Construct message
     64     _strMessage = context.getItem(ESkeletonOwner) + ":" + strMappingValue;
     65 
     66     // Handle types
     67     // Check we are able to handle elements (no exception support, defer the error)
     68     switch (pInstanceConfigurableElement->getType()) {
     69 
     70     case CInstanceConfigurableElement::EParameter:
     71         break;
     72     default:
     73         _bWrongElementTypeError = true;
     74         break;
     75     }
     76 }
     77 // Sync to/from HW
     78 bool CSkeletonSubsystemObject::accessHW(bool bReceive, string &strError)
     79 {
     80     // Check parameter type is ok (deferred error, no exceptions available :-()
     81     if (_bWrongElementTypeError) {
     82 
     83         strError = "Unsupported parameter type";
     84 
     85         return false;
     86     }
     87 
     88     return base::accessHW(bReceive, strError);
     89 }
     90 
     91 bool CSkeletonSubsystemObject::sendToHW(string & /*strError*/)
     92 {
     93     void *pvValue = alloca(_scalarSize);
     94 
     95     for (size_t index = 0; index < _arraySize; index++) {
     96 
     97         // Read Value in BlackBoard
     98         blackboardRead(pvValue, _scalarSize);
     99 
    100         // Send here the value
    101         std::cout << "Sending to HW: " << _strMessage << std::endl;
    102     }
    103 
    104     return true;
    105 }
    106 
    107 bool CSkeletonSubsystemObject::receiveFromHW(string & /*strError*/)
    108 {
    109     void *pvValue = alloca(_scalarSize);
    110 
    111     for (size_t index = 0; index < _arraySize; index++) {
    112 
    113         // Retreive here the value
    114         std::cout << "Retreive from HW: " << _strMessage << std::endl;
    115 
    116         // Write Value in Blackboard
    117         blackboardWrite(pvValue, _scalarSize);
    118     }
    119 
    120     return true;
    121 }
    122