1 /*
2 * Copyright (c) 2015, Intel Corporation
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without modification,
6 * are permitted provided that the following conditions are met:
7 *
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
23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
26 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
28 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31 #include "IntrospectionSubsystemObject.h"
32 #include <InstanceConfigurableElement.h>
33 #include <ParameterType.h>
34
35 namespace parameterFramework
36 {
37 namespace introspectionSubsystem
38 {
39
40 const SubsystemObject *SubsystemObject::mSingletonInstance = nullptr;
41
42 /* Helper function */
geParameterType(CInstanceConfigurableElement * element)43 const CParameterType *geParameterType(CInstanceConfigurableElement *element)
44 {
45 return static_cast<const CParameterType *>(element->getTypeElement());
46 }
47
SubsystemObject(const std::string &,CInstanceConfigurableElement * instanceConfigurableElement,const CMappingContext &,core::log::Logger & logger)48 SubsystemObject::SubsystemObject(const std::string & /*mappingValue*/,
49 CInstanceConfigurableElement *instanceConfigurableElement,
50 const CMappingContext & /*context*/, core::log::Logger &logger)
51 : base(instanceConfigurableElement, logger), mParameter(false)
52 {
53 /* Checking that structure matches the internal parameter */
54 ALWAYS_ASSERT(geParameterType(instanceConfigurableElement)->getSize() == parameterSize,
55 "Wrong parameter size");
56 ALWAYS_ASSERT((instanceConfigurableElement->getFootPrint() / parameterSize) == 1,
57 "Parameter shall not be an array");
58 ALWAYS_ASSERT(geParameterType(instanceConfigurableElement)->isScalar(),
59 "Parameter shall be scalar");
60
61 /* Registering the instance into a singleton */
62 registerInstance(*this);
63 }
64
~SubsystemObject()65 SubsystemObject::~SubsystemObject()
66 {
67 /* Unregistering the instance from the singleton */
68 unregisterInstance(*this);
69 }
70
sendToHW(std::string &)71 bool SubsystemObject::sendToHW(std::string & /*error*/)
72 {
73 blackboardRead(&mParameter, parameterSize);
74 return true;
75 }
76
receiveFromHW(std::string &)77 bool SubsystemObject::receiveFromHW(std::string & /*error*/)
78 {
79 blackboardRead(&mParameter, parameterSize);
80 return true;
81 }
82 }
83 }
84