Added a stop-gap fan-stub.cpp so that the existing FanControl tests pass for TE1

Author: mhazley

examples/all-clusters-app/all-clusters-common/src/fan-stub.cpp

@@ -0,0 +1,118 @@
+/*
+ *
+ *    Copyright (c) 2023 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 <app-common/zap-generated/attributes/Accessors.h>
+#include <app-common/zap-generated/cluster-objects.h>
+#include <app-common/zap-generated/ids/Attributes.h>
+#include <app-common/zap-generated/ids/Clusters.h>
+#include <app/AttributeAccessInterface.h>
+#include <app/util/attribute-storage.h>
+#include <lib/support/CodeUtils.h>
+#include <lib/support/logging/CHIPLogging.h>
+
+using namespace chip;
+using namespace chip::app;
+using namespace chip::app::Clusters;
+using namespace chip::app::Clusters::FanControl::Attributes;
+
+namespace {
+
+/*
+ * TODO: This is a stop-gap solution to allow the existing fan control cluster tests to run after changes to
+ * the cluster objects for TE1. This should be removed once #6496 is resolved as it will likley result in a
+ * FanControl delegate added to the SDK.
+ *
+ * FYI... The previous implementation of the FanControl cluster set the speedCurrent/percentCurrent when it received
+ * speedSetting/percentSetting. The new implementation of the FanControl cluster does not do this as this should
+ * really be done by the application.
+ */
+
+class FanAttrAccess : public AttributeAccessInterface
+{
+public:
+    // Register for the FanControl cluster on all endpoints.
+    FanAttrAccess() : AttributeAccessInterface(Optional<EndpointId>::Missing(), FanControl::Id) {}
+
+    CHIP_ERROR Read(const ConcreteReadAttributePath & aPath, AttributeValueEncoder & aEncoder) override;
+
+private:
+    static constexpr uint16_t ClusterRevision = 1;
+
+    CHIP_ERROR ReadPercentCurrent(EndpointId endpoint, AttributeValueEncoder & aEncoder);
+    CHIP_ERROR ReadSpeedCurrent(EndpointId endpoint, AttributeValueEncoder & aEncoder);
+};
+
+CHIP_ERROR FanAttrAccess::ReadPercentCurrent(EndpointId endpoint, AttributeValueEncoder & aEncoder)
+{
+    // Return PercentSetting attribute value for now
+    DataModel::Nullable<uint8_t> percentSetting;
+    PercentSetting::Get(endpoint, percentSetting);
+    if (percentSetting.HasValidValue())
+    {
+        return aEncoder.Encode(percentSetting.Value());
+    }
+    else
+    {
+        return aEncoder.Encode(0);
+    }
+}
+
+CHIP_ERROR FanAttrAccess::ReadSpeedCurrent(EndpointId endpoint, AttributeValueEncoder & aEncoder)
+{
+    // Return SpeedCurrent attribute value for now
+    DataModel::Nullable<uint8_t> speedSetting;
+    SpeedSetting::Get(endpoint, speedSetting);
+    if (speedSetting.HasValidValue())
+    {
+        return aEncoder.Encode(speedSetting.Value());
+    }
+    else
+    {
+        return aEncoder.Encode(0);
+    }
+}
+
+FanAttrAccess gAttrAccess;
+
+CHIP_ERROR FanAttrAccess::Read(const ConcreteReadAttributePath & aPath, AttributeValueEncoder & aEncoder)
+{
+    VerifyOrDie(aPath.mClusterId == FanControl::Id);
+
+    switch (aPath.mAttributeId)
+    {
+    case SpeedCurrent::Id:
+        return ReadSpeedCurrent(aPath.mEndpointId, aEncoder);
+    case PercentCurrent::Id:
+        return ReadPercentCurrent(aPath.mEndpointId, aEncoder);
+    default:
+        break;
+    }
+    return CHIP_NO_ERROR;
+}
+} // anonymous namespace
+
+void emberAfFanControlClusterInitCallback(EndpointId endpoint)
+{
+    uint32_t featureMap = 0;
+
+    featureMap |= to_underlying(FanControl::FanControlFeature::kMultiSpeed);
+    featureMap |= to_underlying(FanControl::FanControlFeature::kAuto);
+
+    FeatureMap::Set(endpoint, featureMap);
+
+    registerAttributeAccessOverride(&gAttrAccess);
+}

examples/all-clusters-app/linux/BUILD.gn

@@ -24,6 +24,7 @@ source_set("chip-all-clusters-common") {
     "${chip_root}/examples/all-clusters-app/all-clusters-common/src/binding-handler.cpp",
     "${chip_root}/examples/all-clusters-app/all-clusters-common/src/bridged-actions-stub.cpp",
     "${chip_root}/examples/all-clusters-app/all-clusters-common/src/static-supported-modes-manager.cpp",
+    "${chip_root}/examples/all-clusters-app/all-clusters-common/src/fan-stub.cpp",
     "AllClustersCommandDelegate.cpp",
     "AppOptions.cpp",
     "WindowCoveringManager.cpp",