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thermostat-server.cpp
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/**
*
* Copyright (c) 2020 Project CHIP Authors
*
* 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.
*/
#include "thermostat-server.h"
#include "PresetStructWithOwnedMembers.h"
#include <app/util/attribute-storage.h>
#include <app-common/zap-generated/attributes/Accessors.h>
#include <app-common/zap-generated/callback.h>
#include <app-common/zap-generated/cluster-objects.h>
#include <app-common/zap-generated/ids/Attributes.h>
#include <app/CommandHandler.h>
#include <app/ConcreteAttributePath.h>
#include <app/ConcreteCommandPath.h>
#include <lib/core/CHIPEncoding.h>
#include <platform/internal/CHIPDeviceLayerInternal.h>
using namespace chip;
using namespace chip::app;
using namespace chip::app::Clusters;
using namespace chip::app::Clusters::Thermostat;
using namespace chip::app::Clusters::Thermostat::Structs;
using namespace chip::app::Clusters::Thermostat::Attributes;
using imcode = Protocols::InteractionModel::Status;
constexpr int16_t kDefaultAbsMinHeatSetpointLimit = 700; // 7C (44.5 F) is the default
constexpr int16_t kDefaultAbsMaxHeatSetpointLimit = 3000; // 30C (86 F) is the default
constexpr int16_t kDefaultMinHeatSetpointLimit = 700; // 7C (44.5 F) is the default
constexpr int16_t kDefaultMaxHeatSetpointLimit = 3000; // 30C (86 F) is the default
constexpr int16_t kDefaultAbsMinCoolSetpointLimit = 1600; // 16C (61 F) is the default
constexpr int16_t kDefaultAbsMaxCoolSetpointLimit = 3200; // 32C (90 F) is the default
constexpr int16_t kDefaultMinCoolSetpointLimit = 1600; // 16C (61 F) is the default
constexpr int16_t kDefaultMaxCoolSetpointLimit = 3200; // 32C (90 F) is the default
constexpr int16_t kDefaultHeatingSetpoint = 2000;
constexpr int16_t kDefaultCoolingSetpoint = 2600;
constexpr int8_t kDefaultDeadBand = 25; // 2.5C is the default
// IMPORTANT NOTE:
// No Side effects are permitted in emberAfThermostatClusterServerPreAttributeChangedCallback
// If a setpoint changes is required as a result of setpoint limit change
// it does not happen here. It is the responsibility of the device to adjust the setpoint(s)
// as required in emberAfThermostatClusterServerPostAttributeChangedCallback
// limit change validation assures that there is at least 1 setpoint that will be valid
#define FEATURE_MAP_HEAT 0x01
#define FEATURE_MAP_COOL 0x02
#define FEATURE_MAP_OCC 0x04
#define FEATURE_MAP_SCH 0x08
#define FEATURE_MAP_SB 0x10
#define FEATURE_MAP_AUTO 0x20
#define FEATURE_MAP_DEFAULT FEATURE_MAP_HEAT | FEATURE_MAP_COOL | FEATURE_MAP_AUTO
namespace {
ThermostatAttrAccess gThermostatAttrAccess;
static_assert(kThermostatEndpointCount <= kEmberInvalidEndpointIndex, "Thermostat Delegate table size error");
Delegate * gDelegateTable[kThermostatEndpointCount] = { nullptr };
Delegate * GetDelegate(EndpointId endpoint)
{
uint16_t ep =
emberAfGetClusterServerEndpointIndex(endpoint, Thermostat::Id, MATTER_DM_THERMOSTAT_CLUSTER_SERVER_ENDPOINT_COUNT);
return (ep >= ArraySize(gDelegateTable) ? nullptr : gDelegateTable[ep]);
}
/**
* @brief Check if a preset is valid.
*
* @param[in] preset The preset to check.
*
* @return true If the preset is valid i.e the PresetHandle (if not null) fits within size constraints and the presetScenario enum
* value is valid. Otherwise, return false.
*/
bool IsValidPresetEntry(const PresetStruct::Type & preset)
{
// Check that the preset handle is not too long.
if (!preset.presetHandle.IsNull() && preset.presetHandle.Value().size() > kPresetHandleSize)
{
return false;
}
// Ensure we have a valid PresetScenario.
return (preset.presetScenario != PresetScenarioEnum::kUnknownEnumValue);
}
/**
* @brief Callback that is called when the timeout for editing the presets expires.
*
* @param[in] systemLayer The system layer.
* @param[in] callbackContext The context passed to the timer callback.
*/
void TimerExpiredCallback(System::Layer * systemLayer, void * callbackContext)
{
EndpointId endpoint = static_cast<EndpointId>(reinterpret_cast<uintptr_t>(callbackContext));
Delegate * delegate = GetDelegate(endpoint);
VerifyOrReturn(delegate != nullptr, ChipLogError(Zcl, "Delegate is null. Unable to handle timer expired"));
delegate->ClearPendingPresetList();
gThermostatAttrAccess.SetAtomicWrite(endpoint, false);
gThermostatAttrAccess.SetAtomicWriteScopedNodeId(endpoint, ScopedNodeId());
}
/**
* @brief Schedules a timer for the given timeout in milliseconds.
*
* @param[in] endpoint The endpoint to use.
* @param[in] timeoutMilliseconds The timeout in milliseconds.
*/
void ScheduleTimer(EndpointId endpoint, System::Clock::Milliseconds16 timeout)
{
DeviceLayer::SystemLayer().StartTimer(timeout, TimerExpiredCallback,
reinterpret_cast<void *>(static_cast<uintptr_t>(endpoint)));
}
/**
* @brief Clears the currently scheduled timer.
*
* @param[in] endpoint The endpoint to use.
*/
void ClearTimer(EndpointId endpoint)
{
DeviceLayer::SystemLayer().CancelTimer(TimerExpiredCallback, reinterpret_cast<void *>(static_cast<uintptr_t>(endpoint)));
}
/**
* @brief Checks if the preset is built-in
*
* @param[in] preset The preset to check.
*
* @return true If the preset is built-in, false otherwise.
*/
bool IsBuiltIn(const PresetStructWithOwnedMembers & preset)
{
return preset.GetBuiltIn().ValueOr(false);
}
/**
* @brief Checks if the presets are matching i.e the presetHandles are the same.
*
* @param[in] preset The preset to check.
* @param[in] presetToMatch The preset to match with.
*
* @return true If the presets match, false otherwise. If both preset handles are null, returns false
*/
bool PresetHandlesExistAndMatch(const PresetStructWithOwnedMembers & preset, const PresetStructWithOwnedMembers & presetToMatch)
{
return !preset.GetPresetHandle().IsNull() && !presetToMatch.GetPresetHandle().IsNull() &&
preset.GetPresetHandle().Value().data_equal(presetToMatch.GetPresetHandle().Value());
}
/**
* @brief Get the source scoped node id.
*
* @param[in] commandObj The command handler object.
*
* @return The scoped node id of the source node. If the scoped node id is not retreived, return ScopedNodeId().
*/
ScopedNodeId GetSourceScopedNodeId(CommandHandler * commandObj)
{
ScopedNodeId sourceNodeId = ScopedNodeId();
auto sessionHandle = commandObj->GetExchangeContext()->GetSessionHandle();
if (sessionHandle->IsSecureSession())
{
sourceNodeId = sessionHandle->AsSecureSession()->GetPeer();
}
else if (sessionHandle->IsGroupSession())
{
sourceNodeId = sessionHandle->AsIncomingGroupSession()->GetPeer();
}
return sourceNodeId;
}
/**
* @brief Discards pending atomic writes and atomic state.
*
* @param[in] delegate The delegate to use.
* @param[in] endpoint The endpoint to use.
*
*/
void resetAtomicWrite(Delegate * delegate, EndpointId endpoint)
{
if (delegate != nullptr)
{
delegate->ClearPendingPresetList();
}
ClearTimer(endpoint);
gThermostatAttrAccess.SetAtomicWrite(endpoint, false);
gThermostatAttrAccess.SetAtomicWriteScopedNodeId(endpoint, ScopedNodeId());
}
/**
* @brief Finds an entry in the pending presets list that matches a preset.
* The presetHandle of the two presets must match.
*
* @param[in] delegate The delegate to use.
* @param[in] presetToMatch The preset to match with.
*
* @return true if a matching entry was found in the pending presets list, false otherwise.
*/
bool MatchingPendingPresetExists(Delegate * delegate, const PresetStructWithOwnedMembers & presetToMatch)
{
VerifyOrReturnValue(delegate != nullptr, false);
for (uint8_t i = 0; true; i++)
{
PresetStructWithOwnedMembers preset;
CHIP_ERROR err = delegate->GetPendingPresetAtIndex(i, preset);
if (err == CHIP_ERROR_PROVIDER_LIST_EXHAUSTED)
{
break;
}
if (err != CHIP_NO_ERROR)
{
ChipLogError(Zcl, "MatchingPendingPresetExists: GetPendingPresetAtIndex failed with error %" CHIP_ERROR_FORMAT,
err.Format());
return false;
}
if (PresetHandlesExistAndMatch(preset, presetToMatch))
{
return true;
}
}
return false;
}
/**
* @brief Finds and returns an entry in the Presets attribute list that matches
* a preset, if such an entry exists. The presetToMatch must have a preset handle.
*
* @param[in] delegate The delegate to use.
* @param[in] presetToMatch The preset to match with.
* @param[out] matchingPreset The preset in the Presets attribute list that has the same PresetHandle as the presetToMatch.
*
* @return true if a matching entry was found in the presets attribute list, false otherwise.
*/
bool GetMatchingPresetInPresets(Delegate * delegate, const PresetStruct::Type & presetToMatch,
PresetStructWithOwnedMembers & matchingPreset)
{
VerifyOrReturnValue(delegate != nullptr, false);
for (uint8_t i = 0; true; i++)
{
CHIP_ERROR err = delegate->GetPresetAtIndex(i, matchingPreset);
if (err == CHIP_ERROR_PROVIDER_LIST_EXHAUSTED)
{
break;
}
if (err != CHIP_NO_ERROR)
{
ChipLogError(Zcl, "GetMatchingPresetInPresets: GetPresetAtIndex failed with error %" CHIP_ERROR_FORMAT, err.Format());
return false;
}
// Note: presets coming from our delegate always have a handle.
if (presetToMatch.presetHandle.Value().data_equal(matchingPreset.GetPresetHandle().Value()))
{
return true;
}
}
return false;
}
/**
* @brief Checks if the given preset handle is present in the presets attribute
* @param[in] delegate The delegate to use.
* @param[in] presetHandleToMatch The preset handle to match with.
*
* @return true if the given preset handle is present in the presets attribute list, false otherwise.
*/
bool IsPresetHandlePresentInPresets(Delegate * delegate, const ByteSpan & presetHandleToMatch)
{
VerifyOrReturnValue(delegate != nullptr, false);
PresetStructWithOwnedMembers matchingPreset;
for (uint8_t i = 0; true; i++)
{
CHIP_ERROR err = delegate->GetPresetAtIndex(i, matchingPreset);
if (err == CHIP_ERROR_PROVIDER_LIST_EXHAUSTED)
{
return false;
}
if (err != CHIP_NO_ERROR)
{
ChipLogError(Zcl, "IsPresetHandlePresentInPresets: GetPresetAtIndex failed with error %" CHIP_ERROR_FORMAT,
err.Format());
return false;
}
if (!matchingPreset.GetPresetHandle().IsNull() && matchingPreset.GetPresetHandle().Value().data_equal(presetHandleToMatch))
{
return true;
}
}
return false;
}
/**
* @brief Returns the length of the list of presets if the pending presets were to be applied. The size of the pending presets list
* calculated, after all the constraint checks are done, is the new size of the updated Presets attribute since the pending
* preset list is expected to have all existing presets with or without edits plus new presets.
* This is called before changes are actually applied.
*
* @param[in] delegate The delegate to use.
*
* @return count of the updated Presets attribute if the pending presets were applied to it. Return 0 for error cases.
*/
uint8_t CountNumberOfPendingPresets(Delegate * delegate)
{
uint8_t numberOfPendingPresets = 0;
VerifyOrReturnValue(delegate != nullptr, 0);
for (uint8_t i = 0; true; i++)
{
PresetStructWithOwnedMembers pendingPreset;
CHIP_ERROR err = delegate->GetPendingPresetAtIndex(i, pendingPreset);
if (err == CHIP_ERROR_PROVIDER_LIST_EXHAUSTED)
{
break;
}
if (err != CHIP_NO_ERROR)
{
ChipLogError(Zcl, "CountNumberOfPendingPresets: GetPendingPresetAtIndex failed with error %" CHIP_ERROR_FORMAT,
err.Format());
return 0;
}
numberOfPendingPresets++;
}
return numberOfPendingPresets;
}
/**
* @brief Checks if the presetScenario is present in the PresetTypes attribute.
*
* @param[in] delegate The delegate to use.
* @param[in] presetScenario The presetScenario to match with.
*
* @return true if the presetScenario is found, false otherwise.
*/
bool PresetScenarioExistsInPresetTypes(Delegate * delegate, PresetScenarioEnum presetScenario)
{
VerifyOrReturnValue(delegate != nullptr, false);
for (uint8_t i = 0; true; i++)
{
PresetTypeStruct::Type presetType;
auto err = delegate->GetPresetTypeAtIndex(i, presetType);
if (err != CHIP_NO_ERROR)
{
return false;
}
if (presetType.presetScenario == presetScenario)
{
return true;
}
}
return false;
}
/**
* @brief Returns the count of preset entries in the pending presets list that have the matching presetHandle.
* @param[in] delegate The delegate to use.
* @param[in] presetHandleToMatch The preset handle to match.
*
* @return count of the number of presets found with the matching presetHandle. Returns 0 if no matching presets were found.
*/
uint8_t CountPresetsInPendingListWithPresetHandle(Delegate * delegate, const ByteSpan & presetHandleToMatch)
{
uint8_t count = 0;
VerifyOrReturnValue(delegate != nullptr, count);
for (uint8_t i = 0; true; i++)
{
PresetStructWithOwnedMembers preset;
auto err = delegate->GetPendingPresetAtIndex(i, preset);
if (err != CHIP_NO_ERROR)
{
return count;
}
DataModel::Nullable<ByteSpan> presetHandle = preset.GetPresetHandle();
if (!presetHandle.IsNull() && presetHandle.Value().data_equal(presetHandleToMatch))
{
count++;
}
}
return count;
}
/**
* @brief Checks if the presetType for the given preset scenario supports name in the presetTypeFeatures bitmap.
*
* @param[in] delegate The delegate to use.
* @param[in] presetScenario The presetScenario to match with.
*
* @return true if the presetType for the given preset scenario supports name, false otherwise.
*/
bool PresetTypeSupportsNames(Delegate * delegate, PresetScenarioEnum scenario)
{
VerifyOrReturnValue(delegate != nullptr, false);
for (uint8_t i = 0; true; i++)
{
PresetTypeStruct::Type presetType;
auto err = delegate->GetPresetTypeAtIndex(i, presetType);
if (err != CHIP_NO_ERROR)
{
return false;
}
if (presetType.presetScenario == scenario)
{
return (presetType.presetTypeFeatures.Has(PresetTypeFeaturesBitmap::kSupportsNames));
}
}
return false;
}
int16_t EnforceHeatingSetpointLimits(int16_t HeatingSetpoint, EndpointId endpoint)
{
// Optional Mfg supplied limits
int16_t AbsMinHeatSetpointLimit = kDefaultAbsMinHeatSetpointLimit;
int16_t AbsMaxHeatSetpointLimit = kDefaultAbsMaxHeatSetpointLimit;
// Optional User supplied limits
int16_t MinHeatSetpointLimit = kDefaultMinHeatSetpointLimit;
int16_t MaxHeatSetpointLimit = kDefaultMaxHeatSetpointLimit;
// Attempt to read the setpoint limits
// Absmin/max are manufacturer limits
// min/max are user imposed min/max
// Note that the limits are initialized above per the spec limits
// if they are not present Get() will not update the value so the defaults are used
imcode status;
// https://github.com/CHIP-Specifications/connectedhomeip-spec/issues/3724
// behavior is not specified when Abs * values are not present and user values are present
// implemented behavior accepts the user values without regard to default Abs values.
// Per global matter data model policy
// if a attribute is not present then it's default shall be used.
status = AbsMinHeatSetpointLimit::Get(endpoint, &AbsMinHeatSetpointLimit);
if (status != imcode::Success)
{
ChipLogError(Zcl, "Warning: AbsMinHeatSetpointLimit missing using default");
}
status = AbsMaxHeatSetpointLimit::Get(endpoint, &AbsMaxHeatSetpointLimit);
if (status != imcode::Success)
{
ChipLogError(Zcl, "Warning: AbsMaxHeatSetpointLimit missing using default");
}
status = MinHeatSetpointLimit::Get(endpoint, &MinHeatSetpointLimit);
if (status != imcode::Success)
{
MinHeatSetpointLimit = AbsMinHeatSetpointLimit;
}
status = MaxHeatSetpointLimit::Get(endpoint, &MaxHeatSetpointLimit);
if (status != imcode::Success)
{
MaxHeatSetpointLimit = AbsMaxHeatSetpointLimit;
}
// Make sure the user imposed limits are within the manufacturer imposed limits
// https://github.com/CHIP-Specifications/connectedhomeip-spec/issues/3725
// Spec does not specify the behavior is the requested setpoint exceeds the limit allowed
// This implementation clamps at the limit.
// resolution of 3725 is to clamp.
if (MinHeatSetpointLimit < AbsMinHeatSetpointLimit)
MinHeatSetpointLimit = AbsMinHeatSetpointLimit;
if (MaxHeatSetpointLimit > AbsMaxHeatSetpointLimit)
MaxHeatSetpointLimit = AbsMaxHeatSetpointLimit;
if (HeatingSetpoint < MinHeatSetpointLimit)
HeatingSetpoint = MinHeatSetpointLimit;
if (HeatingSetpoint > MaxHeatSetpointLimit)
HeatingSetpoint = MaxHeatSetpointLimit;
return HeatingSetpoint;
}
int16_t EnforceCoolingSetpointLimits(int16_t CoolingSetpoint, EndpointId endpoint)
{
// Optional Mfg supplied limits
int16_t AbsMinCoolSetpointLimit = kDefaultAbsMinCoolSetpointLimit;
int16_t AbsMaxCoolSetpointLimit = kDefaultAbsMaxCoolSetpointLimit;
// Optional User supplied limits
int16_t MinCoolSetpointLimit = kDefaultMinCoolSetpointLimit;
int16_t MaxCoolSetpointLimit = kDefaultMaxCoolSetpointLimit;
// Attempt to read the setpoint limits
// Absmin/max are manufacturer limits
// min/max are user imposed min/max
// Note that the limits are initialized above per the spec limits
// if they are not present Get() will not update the value so the defaults are used
imcode status;
// https://github.com/CHIP-Specifications/connectedhomeip-spec/issues/3724
// behavior is not specified when Abs * values are not present and user values are present
// implemented behavior accepts the user values without regard to default Abs values.
// Per global matter data model policy
// if a attribute is not present then it's default shall be used.
status = AbsMinCoolSetpointLimit::Get(endpoint, &AbsMinCoolSetpointLimit);
if (status != imcode::Success)
{
ChipLogError(Zcl, "Warning: AbsMinCoolSetpointLimit missing using default");
}
status = AbsMaxCoolSetpointLimit::Get(endpoint, &AbsMaxCoolSetpointLimit);
if (status != imcode::Success)
{
ChipLogError(Zcl, "Warning: AbsMaxCoolSetpointLimit missing using default");
}
status = MinCoolSetpointLimit::Get(endpoint, &MinCoolSetpointLimit);
if (status != imcode::Success)
{
MinCoolSetpointLimit = AbsMinCoolSetpointLimit;
}
status = MaxCoolSetpointLimit::Get(endpoint, &MaxCoolSetpointLimit);
if (status != imcode::Success)
{
MaxCoolSetpointLimit = AbsMaxCoolSetpointLimit;
}
// Make sure the user imposed limits are within the manufacture imposed limits
// https://github.com/CHIP-Specifications/connectedhomeip-spec/issues/3725
// Spec does not specify the behavior is the requested setpoint exceeds the limit allowed
// This implementation clamps at the limit.
// resolution of 3725 is to clamp.
if (MinCoolSetpointLimit < AbsMinCoolSetpointLimit)
MinCoolSetpointLimit = AbsMinCoolSetpointLimit;
if (MaxCoolSetpointLimit > AbsMaxCoolSetpointLimit)
MaxCoolSetpointLimit = AbsMaxCoolSetpointLimit;
if (CoolingSetpoint < MinCoolSetpointLimit)
CoolingSetpoint = MinCoolSetpointLimit;
if (CoolingSetpoint > MaxCoolSetpointLimit)
CoolingSetpoint = MaxCoolSetpointLimit;
return CoolingSetpoint;
}
} // anonymous namespace
namespace chip {
namespace app {
namespace Clusters {
namespace Thermostat {
void SetDefaultDelegate(EndpointId endpoint, Delegate * delegate)
{
uint16_t ep =
emberAfGetClusterServerEndpointIndex(endpoint, Thermostat::Id, MATTER_DM_THERMOSTAT_CLUSTER_SERVER_ENDPOINT_COUNT);
// if endpoint is found, add the delegate in the delegate table
if (ep < ArraySize(gDelegateTable))
{
gDelegateTable[ep] = delegate;
}
}
void ThermostatAttrAccess::SetAtomicWrite(EndpointId endpoint, bool inProgress)
{
uint16_t ep =
emberAfGetClusterServerEndpointIndex(endpoint, Thermostat::Id, MATTER_DM_THERMOSTAT_CLUSTER_SERVER_ENDPOINT_COUNT);
if (ep < ArraySize(mAtomicWriteState))
{
mAtomicWriteState[ep] = inProgress;
}
}
bool ThermostatAttrAccess::InAtomicWrite(EndpointId endpoint)
{
bool inAtomicWrite = false;
uint16_t ep =
emberAfGetClusterServerEndpointIndex(endpoint, Thermostat::Id, MATTER_DM_THERMOSTAT_CLUSTER_SERVER_ENDPOINT_COUNT);
if (ep < ArraySize(mAtomicWriteState))
{
inAtomicWrite = mAtomicWriteState[ep];
}
return inAtomicWrite;
}
bool ThermostatAttrAccess::InAtomicWrite(const Access::SubjectDescriptor & subjectDescriptor, EndpointId endpoint)
{
if (!InAtomicWrite(endpoint))
{
return false;
}
return subjectDescriptor.authMode == Access::AuthMode::kCase &&
GetAtomicWriteScopedNodeId(endpoint) == ScopedNodeId(subjectDescriptor.subject, subjectDescriptor.fabricIndex);
}
bool ThermostatAttrAccess::InAtomicWrite(CommandHandler * commandObj, EndpointId endpoint)
{
if (!InAtomicWrite(endpoint))
{
return false;
}
ScopedNodeId sourceNodeId = GetSourceScopedNodeId(commandObj);
return GetAtomicWriteScopedNodeId(endpoint) == sourceNodeId;
}
void ThermostatAttrAccess::SetAtomicWriteScopedNodeId(EndpointId endpoint, ScopedNodeId originatorNodeId)
{
uint16_t ep =
emberAfGetClusterServerEndpointIndex(endpoint, Thermostat::Id, MATTER_DM_THERMOSTAT_CLUSTER_SERVER_ENDPOINT_COUNT);
if (ep < ArraySize(mAtomicWriteNodeIds))
{
mAtomicWriteNodeIds[ep] = originatorNodeId;
}
}
ScopedNodeId ThermostatAttrAccess::GetAtomicWriteScopedNodeId(EndpointId endpoint)
{
ScopedNodeId originatorNodeId = ScopedNodeId();
uint16_t ep =
emberAfGetClusterServerEndpointIndex(endpoint, Thermostat::Id, MATTER_DM_THERMOSTAT_CLUSTER_SERVER_ENDPOINT_COUNT);
if (ep < ArraySize(mAtomicWriteNodeIds))
{
originatorNodeId = mAtomicWriteNodeIds[ep];
}
return originatorNodeId;
}
CHIP_ERROR ThermostatAttrAccess::Read(const ConcreteReadAttributePath & aPath, AttributeValueEncoder & aEncoder)
{
VerifyOrDie(aPath.mClusterId == Thermostat::Id);
uint32_t ourFeatureMap;
bool localTemperatureNotExposedSupported = (FeatureMap::Get(aPath.mEndpointId, &ourFeatureMap) == imcode::Success) &&
((ourFeatureMap & to_underlying(Feature::kLocalTemperatureNotExposed)) != 0);
switch (aPath.mAttributeId)
{
case LocalTemperature::Id:
if (localTemperatureNotExposedSupported)
{
return aEncoder.EncodeNull();
}
break;
case RemoteSensing::Id:
if (localTemperatureNotExposedSupported)
{
BitMask<RemoteSensingBitmap> valueRemoteSensing;
imcode status = RemoteSensing::Get(aPath.mEndpointId, &valueRemoteSensing);
if (status != imcode::Success)
{
StatusIB statusIB(status);
return statusIB.ToChipError();
}
valueRemoteSensing.Clear(RemoteSensingBitmap::kLocalTemperature);
return aEncoder.Encode(valueRemoteSensing);
}
break;
case PresetTypes::Id: {
Delegate * delegate = GetDelegate(aPath.mEndpointId);
VerifyOrReturnError(delegate != nullptr, CHIP_ERROR_INCORRECT_STATE, ChipLogError(Zcl, "Delegate is null"));
return aEncoder.EncodeList([delegate](const auto & encoder) -> CHIP_ERROR {
for (uint8_t i = 0; true; i++)
{
PresetTypeStruct::Type presetType;
auto err = delegate->GetPresetTypeAtIndex(i, presetType);
if (err == CHIP_ERROR_PROVIDER_LIST_EXHAUSTED)
{
return CHIP_NO_ERROR;
}
ReturnErrorOnFailure(err);
ReturnErrorOnFailure(encoder.Encode(presetType));
}
});
}
break;
case NumberOfPresets::Id: {
Delegate * delegate = GetDelegate(aPath.mEndpointId);
VerifyOrReturnError(delegate != nullptr, CHIP_ERROR_INCORRECT_STATE, ChipLogError(Zcl, "Delegate is null"));
ReturnErrorOnFailure(aEncoder.Encode(delegate->GetNumberOfPresets()));
}
break;
case Presets::Id: {
Delegate * delegate = GetDelegate(aPath.mEndpointId);
VerifyOrReturnError(delegate != nullptr, CHIP_ERROR_INCORRECT_STATE, ChipLogError(Zcl, "Delegate is null"));
auto & subjectDescriptor = aEncoder.GetSubjectDescriptor();
if (InAtomicWrite(subjectDescriptor, aPath.mEndpointId))
{
return aEncoder.EncodeList([delegate](const auto & encoder) -> CHIP_ERROR {
for (uint8_t i = 0; true; i++)
{
PresetStructWithOwnedMembers preset;
auto err = delegate->GetPendingPresetAtIndex(i, preset);
if (err == CHIP_ERROR_PROVIDER_LIST_EXHAUSTED)
{
return CHIP_NO_ERROR;
}
ReturnErrorOnFailure(err);
ReturnErrorOnFailure(encoder.Encode(preset));
}
});
}
return aEncoder.EncodeList([delegate](const auto & encoder) -> CHIP_ERROR {
for (uint8_t i = 0; true; i++)
{
PresetStructWithOwnedMembers preset;
auto err = delegate->GetPresetAtIndex(i, preset);
if (err == CHIP_ERROR_PROVIDER_LIST_EXHAUSTED)
{
return CHIP_NO_ERROR;
}
ReturnErrorOnFailure(err);
ReturnErrorOnFailure(encoder.Encode(preset));
}
});
}
break;
case ActivePresetHandle::Id: {
Delegate * delegate = GetDelegate(aPath.mEndpointId);
VerifyOrReturnError(delegate != nullptr, CHIP_ERROR_INCORRECT_STATE, ChipLogError(Zcl, "Delegate is null"));
uint8_t buffer[kPresetHandleSize];
MutableByteSpan activePresetHandle(buffer);
CHIP_ERROR err = delegate->GetActivePresetHandle(activePresetHandle);
ReturnErrorOnFailure(err);
if (activePresetHandle.empty())
{
ReturnErrorOnFailure(aEncoder.EncodeNull());
}
else
{
ReturnErrorOnFailure(aEncoder.Encode(activePresetHandle));
}
}
break;
case ScheduleTypes::Id: {
return aEncoder.EncodeList([](const auto & encoder) -> CHIP_ERROR { return CHIP_NO_ERROR; });
}
break;
case Schedules::Id: {
return aEncoder.EncodeList([](const auto & encoder) -> CHIP_ERROR { return CHIP_NO_ERROR; });
}
break;
default: // return CHIP_NO_ERROR and just read from the attribute store in default
break;
}
return CHIP_NO_ERROR;
}
CHIP_ERROR ThermostatAttrAccess::Write(const ConcreteDataAttributePath & aPath, AttributeValueDecoder & aDecoder)
{
VerifyOrDie(aPath.mClusterId == Thermostat::Id);
EndpointId endpoint = aPath.mEndpointId;
auto & subjectDescriptor = aDecoder.GetSubjectDescriptor();
// Check atomic attributes first
switch (aPath.mAttributeId)
{
case Presets::Id: {
Delegate * delegate = GetDelegate(endpoint);
VerifyOrReturnError(delegate != nullptr, CHIP_ERROR_INCORRECT_STATE, ChipLogError(Zcl, "Delegate is null"));
// Presets are not editable, return INVALID_IN_STATE.
VerifyOrReturnError(InAtomicWrite(endpoint), CHIP_IM_GLOBAL_STATUS(InvalidInState),
ChipLogError(Zcl, "Presets are not editable"));
// OK, we're in an atomic write, make sure the requesting node is the same one that started the atomic write,
// otherwise return BUSY.
if (!InAtomicWrite(subjectDescriptor, endpoint))
{
ChipLogError(Zcl, "Another node is editing presets. Server is busy. Try again later");
return CHIP_IM_GLOBAL_STATUS(Busy);
}
// If the list operation is replace all, clear the existing pending list, iterate over the new presets list
// and add to the pending presets list.
if (!aPath.IsListOperation() || aPath.mListOp == ConcreteDataAttributePath::ListOperation::ReplaceAll)
{
// Clear the pending presets list
delegate->ClearPendingPresetList();
Presets::TypeInfo::DecodableType newPresetsList;
ReturnErrorOnFailure(aDecoder.Decode(newPresetsList));
// Iterate over the presets and call the delegate to append to the list of pending presets.
auto iter = newPresetsList.begin();
while (iter.Next())
{
const PresetStruct::Type & preset = iter.GetValue();
ReturnErrorOnFailure(AppendPendingPreset(delegate, preset));
}
return iter.GetStatus();
}
// If the list operation is AppendItem, call the delegate to append the item to the list of pending presets.
if (aPath.mListOp == ConcreteDataAttributePath::ListOperation::AppendItem)
{
PresetStruct::Type preset;
ReturnErrorOnFailure(aDecoder.Decode(preset));
return AppendPendingPreset(delegate, preset);
}
}
break;
case Schedules::Id: {
return CHIP_ERROR_NOT_IMPLEMENTED;
}
break;
}
// This is not an atomic attribute, so check to make sure we don't have an atomic write going for this client
if (InAtomicWrite(subjectDescriptor, endpoint))
{
ChipLogError(Zcl, "Can not write to non-atomic attributes during atomic write");
return CHIP_IM_GLOBAL_STATUS(InvalidInState);
}
uint32_t ourFeatureMap;
bool localTemperatureNotExposedSupported = (FeatureMap::Get(aPath.mEndpointId, &ourFeatureMap) == imcode::Success) &&
((ourFeatureMap & to_underlying(Feature::kLocalTemperatureNotExposed)) != 0);
switch (aPath.mAttributeId)
{
case RemoteSensing::Id:
if (localTemperatureNotExposedSupported)
{
uint8_t valueRemoteSensing;
ReturnErrorOnFailure(aDecoder.Decode(valueRemoteSensing));
if (valueRemoteSensing & 0x01) // If setting bit 1 (LocalTemperature RemoteSensing bit)
{
return CHIP_IM_GLOBAL_STATUS(ConstraintError);
}
imcode status = RemoteSensing::Set(aPath.mEndpointId, valueRemoteSensing);
StatusIB statusIB(status);
return statusIB.ToChipError();
}
break;
default: // return CHIP_NO_ERROR and just write to the attribute store in default
break;
}
return CHIP_NO_ERROR;
}
CHIP_ERROR ThermostatAttrAccess::AppendPendingPreset(Delegate * delegate, const PresetStruct::Type & preset)
{
if (!IsValidPresetEntry(preset))
{
return CHIP_IM_GLOBAL_STATUS(ConstraintError);
}
if (preset.presetHandle.IsNull())
{
if (IsBuiltIn(preset))
{
return CHIP_IM_GLOBAL_STATUS(ConstraintError);
}
}
else
{
auto & presetHandle = preset.presetHandle.Value();
// Per spec we need to check that:
// (a) There is an existing non-pending preset with this handle.
PresetStructWithOwnedMembers matchingPreset;
if (!GetMatchingPresetInPresets(delegate, preset, matchingPreset))
{
return CHIP_IM_GLOBAL_STATUS(NotFound);
}
// (b) There is no existing pending preset with this handle.
if (CountPresetsInPendingListWithPresetHandle(delegate, presetHandle) > 0)
{
return CHIP_IM_GLOBAL_STATUS(ConstraintError);
}
// (c)/(d) The built-in fields do not have a mismatch.
// TODO: What's the story with nullability on the BuiltIn field?
if (!preset.builtIn.IsNull() && !matchingPreset.GetBuiltIn().IsNull() &&
preset.builtIn.Value() != matchingPreset.GetBuiltIn().Value())
{
return CHIP_IM_GLOBAL_STATUS(ConstraintError);
}
}
if (!PresetScenarioExistsInPresetTypes(delegate, preset.presetScenario))
{
return CHIP_IM_GLOBAL_STATUS(ConstraintError);
}
if (preset.name.HasValue() && !PresetTypeSupportsNames(delegate, preset.presetScenario))
{
return CHIP_IM_GLOBAL_STATUS(ConstraintError);
}
return delegate->AppendToPendingPresetList(preset);
}
} // namespace Thermostat
} // namespace Clusters
} // namespace app
} // namespace chip
void emberAfThermostatClusterServerInitCallback(chip::EndpointId endpoint)
{
// TODO
// Get from the "real thermostat"
// current mode
// current occupied heating setpoint
// current unoccupied heating setpoint
// current occupied cooling setpoint
// current unoccupied cooling setpoint
// and update the zcl cluster values
// This should be a callback defined function
// with weak binding so that real thermostat
// can get the values.
// or should this just be the responsibility of the thermostat application?
}
Protocols::InteractionModel::Status
MatterThermostatClusterServerPreAttributeChangedCallback(const app::ConcreteAttributePath & attributePath,
EmberAfAttributeType attributeType, uint16_t size, uint8_t * value)
{
EndpointId endpoint = attributePath.mEndpointId;
int16_t requested;
// Limits will be needed for all checks
// so we just get them all now
int16_t AbsMinHeatSetpointLimit;
int16_t AbsMaxHeatSetpointLimit;
int16_t MinHeatSetpointLimit;
int16_t MaxHeatSetpointLimit;
int16_t AbsMinCoolSetpointLimit;
int16_t AbsMaxCoolSetpointLimit;
int16_t MinCoolSetpointLimit;
int16_t MaxCoolSetpointLimit;
int8_t DeadBand = 0;
int16_t DeadBandTemp = 0;
int16_t OccupiedCoolingSetpoint;
int16_t OccupiedHeatingSetpoint;
int16_t UnoccupiedCoolingSetpoint;
int16_t UnoccupiedHeatingSetpoint;
uint32_t OurFeatureMap;
bool AutoSupported = false;
bool HeatSupported = false;