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/*
*
* Copyright (c) 2023 Project CHIP Authors
* All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#pragma once
#include "concentration-measurement-cluster-objects.h"
#include <app/AttributeAccessInterface.h>
#include <app/AttributeAccessInterfaceRegistry.h>
#include <app/data-model/Nullable.h>
#include <app/reporting/reporting.h>
#include <app/util/attribute-storage.h>
#include <lib/support/IntrusiveList.h>
#include <type_traits>
namespace chip {
namespace app {
namespace Clusters {
namespace ConcentrationMeasurement {
namespace Detail {
struct DummyNumericMeasurementMembers
{
};
struct DummyPeakMeasurementMembers
{
};
struct DummyAverageMeasurementMembers
{
};
struct DummyLevelIndicationMembers
{
};
class NumericMeasurementMembers
{
protected:
DataModel::Nullable<float> mMeasuredValue;
DataModel::Nullable<float> mMinMeasuredValue;
DataModel::Nullable<float> mMaxMeasuredValue;
MeasurementUnitEnum mMeasurementUnit;
float mUncertainty;
};
class PeakMeasurementMembers
{
protected:
DataModel::Nullable<float> mPeakMeasuredValue;
uint32_t mPeakMeasuredValueWindow;
};
class AverageMeasurementMembers
{
protected:
DataModel::Nullable<float> mAverageMeasuredValue;
uint32_t mAverageMeasuredValueWindow;
};
class LevelIndicationMembers
{
protected:
LevelValueEnum mLevel;
};
} // namespace Detail
/**
* This class provides the base implementation for the server side of the Concentration Measurement cluster as well as an API for
* setting the values of the attributes.
*
* @tparam NumericMeasurementEnabled whether the cluster supports numeric measurement
* @tparam LevelIndicationEnabled whether the cluster supports level indication
* @tparam MediumLevelEnabled whether the Level Indication Feature supports medium level
* @tparam CriticalLevelEnabled whether the Level Indication Feature supports critical level
* @tparam PeakMeasurementEnabled whether the Numeric Measurement Feature supports peak measurement
* @tparam AverageMeasurementEnabled whether the Numeric Measurement Feature supports average measurement
*/
template <bool NumericMeasurementEnabled, bool LevelIndicationEnabled, bool MediumLevelEnabled, bool CriticalLevelEnabled,
bool PeakMeasurementEnabled, bool AverageMeasurementEnabled>
class Instance
: public AttributeAccessInterface,
protected std::conditional_t<NumericMeasurementEnabled, Detail::NumericMeasurementMembers,
Detail::DummyNumericMeasurementMembers>,
protected std::conditional_t<PeakMeasurementEnabled, Detail::PeakMeasurementMembers, Detail::DummyPeakMeasurementMembers>,
protected std::conditional_t<AverageMeasurementEnabled, Detail::AverageMeasurementMembers,
Detail::DummyAverageMeasurementMembers>,
protected std::conditional_t<LevelIndicationEnabled, Detail::LevelIndicationMembers, Detail::DummyLevelIndicationMembers>
{
private:
static const int WINDOW_MAX = 604800;
EndpointId mEndpointId{};
ClusterId mClusterId{};
MeasurementMediumEnum mMeasurementMedium;
uint32_t mFeatureMap = 0;
// AttributeAccessInterface
CHIP_ERROR Read(const ConcreteReadAttributePath & aPath, AttributeValueEncoder & aEncoder) override
{
switch (aPath.mAttributeId)
{
case Attributes::MeasuredValue::Id:
if constexpr (NumericMeasurementEnabled)
{
ReturnErrorOnFailure(aEncoder.Encode(this->mMeasuredValue));
}
break;
case Attributes::MinMeasuredValue::Id:
if constexpr (NumericMeasurementEnabled)
{
ReturnErrorOnFailure(aEncoder.Encode(this->mMinMeasuredValue));
}
break;
case Attributes::MaxMeasuredValue::Id:
if constexpr (NumericMeasurementEnabled)
{
ReturnErrorOnFailure(aEncoder.Encode(this->mMaxMeasuredValue));
}
break;
case Attributes::Uncertainty::Id:
if constexpr (NumericMeasurementEnabled)
{
ReturnErrorOnFailure(aEncoder.Encode(this->mUncertainty));
}
break;
case Attributes::MeasurementUnit::Id:
if constexpr (NumericMeasurementEnabled)
{
ReturnErrorOnFailure(aEncoder.Encode(this->mMeasurementUnit));
break;
}
case Attributes::PeakMeasuredValue::Id:
if constexpr (PeakMeasurementEnabled)
{
ReturnErrorOnFailure(aEncoder.Encode(this->mPeakMeasuredValue));
}
break;
case Attributes::PeakMeasuredValueWindow::Id:
if constexpr (PeakMeasurementEnabled)
{
ReturnErrorOnFailure(aEncoder.Encode(this->mPeakMeasuredValueWindow));
}
break;
case Attributes::AverageMeasuredValue::Id:
if constexpr (AverageMeasurementEnabled)
{
ReturnErrorOnFailure(aEncoder.Encode(this->mAverageMeasuredValue));
}
break;
case Attributes::AverageMeasuredValueWindow::Id:
if constexpr (AverageMeasurementEnabled)
{
ReturnErrorOnFailure(aEncoder.Encode(this->mAverageMeasuredValueWindow));
}
break;
case Attributes::LevelValue::Id:
if constexpr (LevelIndicationEnabled)
{
ReturnErrorOnFailure(aEncoder.Encode(this->mLevel));
}
break;
case Attributes::MeasurementMedium::Id:
ReturnErrorOnFailure(aEncoder.Encode(mMeasurementMedium));
break;
case Attributes::FeatureMap::Id:
ReturnErrorOnFailure(aEncoder.Encode(mFeatureMap));
break;
}
return CHIP_NO_ERROR;
};
/**
* This checks if the clusters instance is a valid ResourceMonitoring cluster based on the AliasedClusters list.
* @return true if the cluster is a valid ResourceMonitoring cluster.
*/
bool IsValidAliasCluster() const
{
for (unsigned int AliasedCluster : AliasedClusters)
{
if (mClusterId == AliasedCluster)
{
return true;
}
}
return false;
};
/**
* This generates a feature bitmap from the enabled features and then returns its raw value.
* @return The raw feature bitmap.
*/
uint32_t GenerateFeatureMap() const
{
BitMask<Feature, uint32_t> featureMap(0);
if constexpr (NumericMeasurementEnabled)
{
featureMap.Set(Feature::kNumericMeasurement);
}
if constexpr (LevelIndicationEnabled)
{
featureMap.Set(Feature::kLevelIndication);
}
if constexpr (MediumLevelEnabled)
{
featureMap.Set(Feature::kMediumLevel);
}
if constexpr (CriticalLevelEnabled)
{
featureMap.Set(Feature::kCriticalLevel);
}
if constexpr (PeakMeasurementEnabled)
{
featureMap.Set(Feature::kPeakMeasurement);
}
if constexpr (AverageMeasurementEnabled)
{
featureMap.Set(Feature::kAverageMeasurement);
}
return featureMap.Raw();
};
/**
* This checks if a given nullable float is within the min and max constraints or two other nullable floats.
* @param value The value to check.
* @param minValue The minimum value.
* @param maxValue The maximum value.
* @return true if the value is within the min and max constraints. If either of the pair of values being compared is null,
* that's considered to be within the constraint.
*/
static bool CheckConstraintMinMax(DataModel::Nullable<float> value, DataModel::Nullable<float> minValue,
DataModel::Nullable<float> maxValue)
{
return (minValue.IsNull() || value.IsNull() || (value.Value() >= minValue.Value())) &&
(maxValue.IsNull() || value.IsNull() || (value.Value() <= maxValue.Value()));
};
/**
* This checks if a given nullable float is less than or equal to another given nullable float.
* @param value The value to check.
* @param valueToBeLessThanOrEqualTo The value to be less than or equal to.
* @return true if value is less than or equal to valueToBeLessThanOrEqualTo, or if either of the values is Null.
*/
static bool CheckConstraintsLessThanOrEqualTo(DataModel::Nullable<float> value,
DataModel::Nullable<float> valueToBeLessThanOrEqualTo)
{
return valueToBeLessThanOrEqualTo.IsNull() || value.IsNull() || (value.Value() <= valueToBeLessThanOrEqualTo.Value());
};
/**
* This checks if a given nullable float is greater than or equal to another given nullable float.
* @param value The value to check.
* @param valueToBeGreaterThanOrEqualTo The value to be greater than or equal to.
* @return true if value is greater than or equal to valueToBeGreaterThanOrEqualTo, or if either of the values is Null.
*/
static bool CheckConstraintsGreaterThanOrEqualTo(DataModel::Nullable<float> value,
DataModel::Nullable<float> valueToBeGreaterThanOrEqualTo)
{
return valueToBeGreaterThanOrEqualTo.IsNull() || value.IsNull() || (value.Value() >= valueToBeGreaterThanOrEqualTo.Value());
};
public:
/**
* Creates a mode base cluster instance. The Init() function needs to be called for this instance to be registered and
* called by the interaction model at the appropriate times.
* This constructor should be used when not using the kNumericMeasurement feature.
* @param aEndpointId The endpoint on which this cluster exists. This must match the zap configuration.
* @param aClusterId The ID of the ModeBase aliased cluster to be instantiated.
* @param aMeasurementMedium The measurement medium.
*/
Instance(EndpointId aEndpointId, ClusterId aClusterId, MeasurementMediumEnum aMeasurementMedium) :
AttributeAccessInterface(Optional<EndpointId>(aEndpointId), aClusterId), mEndpointId(aEndpointId), mClusterId(aClusterId),
mMeasurementMedium(aMeasurementMedium){};
/**
* Creates a mode base cluster instance. The Init() function needs to be called for this instance to be registered and
* called by the interaction model at the appropriate times.
* This constructor should be used when using the kNumericMeasurement feature.
* @param aEndpointId The endpoint on which this cluster exists. This must match the zap configuration.
* @param aClusterId The ID of the ModeBase aliased cluster to be instantiated.
* @param aMeasurementMedium The measurement medium.
* @param aMeasurementUnit The measurement unit.
*/
Instance(EndpointId aEndpointId, ClusterId aClusterId, MeasurementMediumEnum aMeasurementMedium,
MeasurementUnitEnum aMeasurementUnit) :
AttributeAccessInterface(Optional<EndpointId>(aEndpointId), aClusterId),
mEndpointId(aEndpointId), mClusterId(aClusterId), mMeasurementMedium(aMeasurementMedium)
{
this->mMeasurementUnit = aMeasurementUnit;
};
~Instance() override { AttributeAccessInterfaceRegistry::Instance().Unregister(this); };
CHIP_ERROR Init()
{
static_assert(NumericMeasurementEnabled || LevelIndicationEnabled,
"At least one of NumericMeasurement or LevelIndication "
"should be enabled");
static_assert(!MediumLevelEnabled || LevelIndicationEnabled,
"MediumLevelEnabled requires LevelIndicationEnabled to be true");
static_assert(!CriticalLevelEnabled || LevelIndicationEnabled,
"CriticalLevelEnabled requires LevelIndicationEnabled to be true");
static_assert(!PeakMeasurementEnabled || NumericMeasurementEnabled,
"PeakMeasurementEnabled requires NumericMeasurementEnabled to be true");
static_assert(!AverageMeasurementEnabled || NumericMeasurementEnabled,
"AverageMeasurementEnabled requires NumericMeasurementEnabled to be true");
VerifyOrReturnError(IsValidAliasCluster(), CHIP_ERROR_INCORRECT_STATE);
// Check if the cluster has been selected in zap
VerifyOrReturnError(emberAfContainsServer(mEndpointId, mClusterId), CHIP_ERROR_INCORRECT_STATE);
// Register the object as attribute provider
VerifyOrReturnError(AttributeAccessInterfaceRegistry::Instance().Register(this), CHIP_ERROR_INCORRECT_STATE);
mFeatureMap = GenerateFeatureMap();
return CHIP_NO_ERROR;
};
template <bool Enabled = NumericMeasurementEnabled, typename = std::enable_if_t<Enabled, CHIP_ERROR>>
CHIP_ERROR SetMeasuredValue(DataModel::Nullable<float> aMeasuredValue)
{
if (!CheckConstraintMinMax(aMeasuredValue, this->mMinMeasuredValue, this->mMaxMeasuredValue))
{
return CHIP_ERROR_INVALID_ARGUMENT;
}
// Check to see if a change has ocurred
VerifyOrReturnError(this->mMeasuredValue != aMeasuredValue, CHIP_NO_ERROR);
this->mMeasuredValue = aMeasuredValue;
MatterReportingAttributeChangeCallback(mEndpointId, mClusterId, Attributes::MeasuredValue::Id);
return CHIP_NO_ERROR;
};
template <bool Enabled = NumericMeasurementEnabled, typename = std::enable_if_t<Enabled, CHIP_ERROR>>
CHIP_ERROR SetMinMeasuredValue(DataModel::Nullable<float> aMinMeasuredValue)
{
if (!CheckConstraintsLessThanOrEqualTo(aMinMeasuredValue, this->mMaxMeasuredValue))
{
return CHIP_ERROR_INVALID_ARGUMENT;
}
if (!CheckConstraintsLessThanOrEqualTo(aMinMeasuredValue, this->mMeasuredValue))
{
return CHIP_ERROR_INVALID_ARGUMENT;
}
// Check to see if a change has ocurred
VerifyOrReturnError(this->mMinMeasuredValue != aMinMeasuredValue, CHIP_NO_ERROR);
this->mMinMeasuredValue = aMinMeasuredValue;
MatterReportingAttributeChangeCallback(mEndpointId, mClusterId, Attributes::MinMeasuredValue::Id);
return CHIP_NO_ERROR;
};
template <bool Enabled = NumericMeasurementEnabled, typename = std::enable_if_t<Enabled, CHIP_ERROR>>
CHIP_ERROR SetMaxMeasuredValue(DataModel::Nullable<float> aMaxMeasuredValue)
{
if (!CheckConstraintsGreaterThanOrEqualTo(aMaxMeasuredValue, this->mMinMeasuredValue))
{
return CHIP_ERROR_INVALID_ARGUMENT;
}
if (!CheckConstraintsGreaterThanOrEqualTo(aMaxMeasuredValue, this->mMeasuredValue))
{
return CHIP_ERROR_INVALID_ARGUMENT;
}
// Check to see if a change has ocurred
VerifyOrReturnError(this->mMaxMeasuredValue != aMaxMeasuredValue, CHIP_NO_ERROR);
this->mMaxMeasuredValue = aMaxMeasuredValue;
MatterReportingAttributeChangeCallback(mEndpointId, mClusterId, Attributes::MaxMeasuredValue::Id);
return CHIP_NO_ERROR;
};
template <bool Enabled = NumericMeasurementEnabled, typename = std::enable_if_t<Enabled, CHIP_ERROR>>
CHIP_ERROR SetUncertainty(float aUncertainty)
{
// Check to see if a change has ocurred
VerifyOrReturnError(this->mUncertainty != aUncertainty, CHIP_NO_ERROR);
this->mUncertainty = aUncertainty;
MatterReportingAttributeChangeCallback(mEndpointId, mClusterId, Attributes::Uncertainty::Id);
return CHIP_NO_ERROR;
};
template <bool Enabled = PeakMeasurementEnabled, typename = std::enable_if_t<Enabled, CHIP_ERROR>>
CHIP_ERROR SetPeakMeasuredValue(DataModel::Nullable<float> aPeakMeasuredValue)
{
if (!CheckConstraintMinMax(aPeakMeasuredValue, this->mMinMeasuredValue, this->mMaxMeasuredValue))
{
return CHIP_ERROR_INVALID_ARGUMENT;
}
// Check to see if a change has ocurred
VerifyOrReturnError(this->mPeakMeasuredValue != aPeakMeasuredValue, CHIP_NO_ERROR);
this->mPeakMeasuredValue = aPeakMeasuredValue;
MatterReportingAttributeChangeCallback(mEndpointId, mClusterId, Attributes::PeakMeasuredValue::Id);
return CHIP_NO_ERROR;
};
template <bool Enabled = PeakMeasurementEnabled, typename = std::enable_if_t<Enabled, CHIP_ERROR>>
CHIP_ERROR SetPeakMeasuredValueWindow(uint32_t aPeakMeasuredValueWindow)
{
if (aPeakMeasuredValueWindow > WINDOW_MAX)
{
return CHIP_ERROR_INVALID_ARGUMENT;
}
// Check to see if a change has ocurred
VerifyOrReturnError(this->mPeakMeasuredValueWindow != aPeakMeasuredValueWindow, CHIP_NO_ERROR);
this->mPeakMeasuredValueWindow = aPeakMeasuredValueWindow;
MatterReportingAttributeChangeCallback(mEndpointId, mClusterId, Attributes::PeakMeasuredValueWindow::Id);
return CHIP_NO_ERROR;
};
template <bool Enabled = AverageMeasurementEnabled, typename = std::enable_if_t<Enabled, CHIP_ERROR>>
CHIP_ERROR SetAverageMeasuredValue(DataModel::Nullable<float> aAverageMeasuredValue)
{
if (!CheckConstraintMinMax(aAverageMeasuredValue, this->mMinMeasuredValue, this->mMaxMeasuredValue))
{
return CHIP_ERROR_INVALID_ARGUMENT;
}
// Check to see if a change has ocurred
VerifyOrReturnError(this->mAverageMeasuredValue != aAverageMeasuredValue, CHIP_NO_ERROR);
this->mAverageMeasuredValue = aAverageMeasuredValue;
MatterReportingAttributeChangeCallback(mEndpointId, mClusterId, Attributes::AverageMeasuredValue::Id);
return CHIP_NO_ERROR;
};
template <bool Enabled = AverageMeasurementEnabled, typename = std::enable_if_t<Enabled, CHIP_ERROR>>
CHIP_ERROR SetAverageMeasuredValueWindow(uint32_t aAverageMeasuredValueWindow)
{
if (aAverageMeasuredValueWindow > WINDOW_MAX)
{
return CHIP_ERROR_INVALID_ARGUMENT;
}
// Check to see if a change has ocurred
VerifyOrReturnError(this->mAverageMeasuredValueWindow != aAverageMeasuredValueWindow, CHIP_NO_ERROR);
this->mAverageMeasuredValueWindow = aAverageMeasuredValueWindow;
MatterReportingAttributeChangeCallback(mEndpointId, mClusterId, Attributes::AverageMeasuredValueWindow::Id);
return CHIP_NO_ERROR;
};
template <bool Enabled = LevelIndicationEnabled, typename = std::enable_if_t<Enabled, CHIP_ERROR>>
CHIP_ERROR SetLevelValue(LevelValueEnum aLevel)
{
if constexpr (!MediumLevelEnabled)
{
if (aLevel == LevelValueEnum::kMedium)
{
return CHIP_ERROR_INVALID_ARGUMENT;
}
}
if constexpr (!CriticalLevelEnabled)
{
if (aLevel == LevelValueEnum::kCritical)
{
return CHIP_ERROR_INVALID_ARGUMENT;
}
}
// Check to see if a change has ocurred
VerifyOrReturnError(this->mLevel != aLevel, CHIP_NO_ERROR);
this->mLevel = aLevel;
MatterReportingAttributeChangeCallback(mEndpointId, mClusterId, Attributes::LevelValue::Id);
return CHIP_NO_ERROR;
};
};
/**
* A factory function to create a new instance of a Concentration Measurement Cluster with only the NumericMeasurement feature
* enabled.
*
* @tparam PeakMeasurementEnabled Whether the PeakMeasurement feature is enabled.
* @tparam AverageMeasurementEnabled Whether the AverageMeasurement feature is enabled.
* @param endpoint Endpoint that the cluster is on.
* @param clusterId Cluster that the cluster is on.
* @param aMeasurementMedium The measurement medium.
* @param aMeasurementUnit The measurement unit.
* @return A new instance of Concentration Measurement Cluster.
*/
template <bool PeakMeasurementEnabled, bool AverageMeasurementEnabled>
Instance<true, false, false, false, PeakMeasurementEnabled, AverageMeasurementEnabled>
CreateNumericMeasurementConcentrationCluster(EndpointId endpoint, ClusterId clusterId, MeasurementMediumEnum aMeasurementMedium,
MeasurementUnitEnum aMeasurementUnit)
{
return Instance<true, false, false, false, PeakMeasurementEnabled, AverageMeasurementEnabled>(
endpoint, clusterId, aMeasurementMedium, aMeasurementUnit);
}
/**
* A factory function to create a new instance of a Concentration Measurement Cluster with only the Level Indication feature
* enabled.
*
* @tparam MediumLevelEnabled Whether the MediumLevel feature is enabled.
* @tparam CriticalLevelEnabled Whether the CriticalLevel feature is enabled.
* @param endpoint Endpoint that the cluster is on.
* @param clusterId Cluster that the cluster is on.
* @param aMeasurementMedium The measurement medium.
* @return A new instance of Concentration Measurement Cluster.
*/
template <bool MediumLevelEnabled, bool CriticalLevelEnabled>
Instance<false, true, MediumLevelEnabled, CriticalLevelEnabled, false, false>
CreateLevelIndicationConcentrationCluster(EndpointId endpoint, ClusterId clusterId, MeasurementMediumEnum aMeasurementMedium)
{
return Instance<false, true, MediumLevelEnabled, CriticalLevelEnabled, false, false>(endpoint, clusterId, aMeasurementMedium);
}
/**
* A factory function to create a new instance of a Concentration Measurement Cluster with both the NumericMeasurement and Level
* Indication features enabled.
*
* @tparam MediumLevelEnabled Whether the MediumLevel feature is enabled.
* @tparam CriticalLevelEnabled Whether the CriticalLevel feature is enabled.
* @tparam PeakMeasurementEnabled Whether the PeakMeasurement feature is enabled.
* @tparam AverageMeasurementEnabled Whether the AverageMeasurement feature is enabled.
* @param endpoint Endpoint that the cluster is on.
* @param clusterId Cluster that the cluster is on.
* @param aMeasurementMedium The measurement medium.
* @param aMeasurementUnit The measurement unit.
* @return A new instance of Concentration Measurement Cluster.
*/
template <bool MediumLevelEnabled, bool CriticalLevelEnabled, bool PeakMeasurementEnabled, bool AverageMeasurementEnabled>
Instance<true, true, MediumLevelEnabled, CriticalLevelEnabled, PeakMeasurementEnabled, AverageMeasurementEnabled>
CreateNumericMeasurementAndLevelIndicationConcentrationCluster(EndpointId endpoint, ClusterId clusterId,
MeasurementMediumEnum aMeasurementMedium,
MeasurementUnitEnum aMeasurementUnit)
{
return Instance<true, true, MediumLevelEnabled, CriticalLevelEnabled, PeakMeasurementEnabled, AverageMeasurementEnabled>(
endpoint, clusterId, aMeasurementMedium, aMeasurementUnit);
}
} // namespace ConcentrationMeasurement
} // namespace Clusters
} // namespace app
} // namespace chip