| /* |
| * |
| * Copyright (c) 2020 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. |
| */ |
| |
| /** |
| * @file DeviceCallbacks.cpp |
| * |
| * Implements all the callbacks to the application from the CHIP Stack |
| * |
| **/ |
| #include "DeviceCallbacks.h" |
| |
| #include "CHIPDeviceManager.h" |
| #include <app-common/zap-generated/attribute-id.h> |
| #include <app-common/zap-generated/ids/Clusters.h> |
| #include <app/CommandHandler.h> |
| #include <app/server/Dnssd.h> |
| #include <app/util/af.h> |
| #include <app/util/basic-types.h> |
| #include <app/util/util.h> |
| #include <lib/dnssd/Advertiser.h> |
| #include <support/CodeUtils.h> |
| #include <support/logging/CHIPLogging.h> |
| #include <support/logging/Constants.h> |
| #if CHIP_DEVICE_CONFIG_ENABLE_OTA_REQUESTOR |
| #include <ota/OTAInitializer.h> |
| #endif |
| |
| #include "Globals.h" |
| #include "LEDWidget.h" |
| |
| static const char * TAG = "app-devicecallbacks"; |
| |
| using namespace ::chip; |
| using namespace ::chip::Inet; |
| using namespace ::chip::System; |
| using namespace ::chip::DeviceLayer; |
| using namespace ::chip::DeviceManager; |
| using namespace ::chip::Logging; |
| |
| uint32_t identifyTimerCount; |
| constexpr uint32_t kIdentifyTimerDelayMS = 250; |
| constexpr uint32_t kInitOTARequestorDelaySec = 3; |
| |
| #if CHIP_DEVICE_CONFIG_ENABLE_OTA_REQUESTOR |
| void InitOTARequestorHandler(System::Layer * systemLayer, void * appState) |
| { |
| OTAInitializer::Instance().InitOTARequestor(); |
| } |
| #endif |
| |
| void DeviceCallbacks::DeviceEventCallback(const ChipDeviceEvent * event, intptr_t arg) |
| { |
| switch (event->Type) |
| { |
| case DeviceEventType::kInternetConnectivityChange: |
| OnInternetConnectivityChange(event); |
| break; |
| |
| case DeviceEventType::kInterfaceIpAddressChanged: |
| if ((event->InterfaceIpAddressChanged.Type == InterfaceIpChangeType::kIpV4_Assigned) || |
| (event->InterfaceIpAddressChanged.Type == InterfaceIpChangeType::kIpV6_Assigned)) |
| { |
| // MDNS server restart on any ip assignment: if link local ipv6 is configured, that |
| // will not trigger a 'internet connectivity change' as there is no internet |
| // connectivity. MDNS still wants to refresh its listening interfaces to include the |
| // newly selected address. |
| chip::app::DnssdServer::Instance().StartServer(); |
| } |
| break; |
| } |
| } |
| |
| void DeviceCallbacks::PostAttributeChangeCallback(EndpointId endpointId, ClusterId clusterId, AttributeId attributeId, uint8_t type, |
| uint16_t size, uint8_t * value) |
| { |
| switch (clusterId) |
| { |
| case app::Clusters::OnOff::Id: |
| OnOnOffPostAttributeChangeCallback(endpointId, attributeId, value); |
| break; |
| |
| case app::Clusters::Identify::Id: |
| OnIdentifyPostAttributeChangeCallback(endpointId, attributeId, value); |
| break; |
| |
| default: |
| break; |
| } |
| } |
| |
| void DeviceCallbacks::OnInternetConnectivityChange(const ChipDeviceEvent * event) |
| { |
| #if CHIP_DEVICE_CONFIG_ENABLE_OTA_REQUESTOR |
| static bool isOTAInitialized = false; |
| #endif |
| if (event->InternetConnectivityChange.IPv4 == kConnectivity_Established) |
| { |
| ChipLogProgress(DeviceLayer, "IPv4 Server ready..."); |
| chip::app::DnssdServer::Instance().StartServer(); |
| } |
| else if (event->InternetConnectivityChange.IPv4 == kConnectivity_Lost) |
| { |
| ChipLogProgress(DeviceLayer, "Lost IPv4 connectivity..."); |
| } |
| if (event->InternetConnectivityChange.IPv6 == kConnectivity_Established) |
| { |
| ChipLogProgress(DeviceLayer, "IPv6 Server ready..."); |
| chip::app::DnssdServer::Instance().StartServer(); |
| #if CHIP_DEVICE_CONFIG_ENABLE_OTA_REQUESTOR |
| // Init OTA requestor only when we have gotten IPv6 address |
| if (!isOTAInitialized) |
| { |
| chip::DeviceLayer::SystemLayer().StartTimer(chip::System::Clock::Seconds32(kInitOTARequestorDelaySec), |
| InitOTARequestorHandler, nullptr); |
| isOTAInitialized = true; |
| } |
| #endif |
| } |
| else if (event->InternetConnectivityChange.IPv6 == kConnectivity_Lost) |
| { |
| ChipLogProgress(DeviceLayer, "Lost IPv6 connectivity..."); |
| } |
| } |
| |
| void DeviceCallbacks::OnOnOffPostAttributeChangeCallback(EndpointId endpointId, AttributeId attributeId, uint8_t * value) |
| { |
| VerifyOrExit(attributeId == ZCL_ON_OFF_ATTRIBUTE_ID, |
| ChipLogError(DeviceLayer, TAG, "Unhandled Attribute ID: '0x%04x", attributeId)); |
| VerifyOrExit(endpointId == 1 || endpointId == 2, |
| ChipLogError(DeviceLayer, TAG, "Unexpected EndPoint ID: `0x%02x'", endpointId)); |
| |
| // At this point we can assume that value points to a bool value. |
| statusLED1.Set(*value); |
| |
| exit: |
| return; |
| } |
| |
| void IdentifyTimerHandler(Layer * systemLayer, void * appState, CHIP_ERROR error) |
| { |
| if (identifyTimerCount) |
| { |
| identifyTimerCount--; |
| } |
| } |
| |
| void DeviceCallbacks::OnIdentifyPostAttributeChangeCallback(EndpointId endpointId, AttributeId attributeId, uint8_t * value) |
| { |
| VerifyOrExit(attributeId == ZCL_IDENTIFY_TIME_ATTRIBUTE_ID, |
| ChipLogError(DeviceLayer, "[%s] Unhandled Attribute ID: '0x%04x", TAG, attributeId)); |
| VerifyOrExit(endpointId == 1, ChipLogError(DeviceLayer, "[%s] Unexpected EndPoint ID: `0x%02x'", TAG, endpointId)); |
| |
| // timerCount represents the number of callback executions before we stop the timer. |
| // value is expressed in seconds and the timer is fired every 250ms, so just multiply value by 4. |
| // Also, we want timerCount to be odd number, so the ligth state ends in the same state it starts. |
| identifyTimerCount = (*value) * 4; |
| exit: |
| return; |
| } |
| |
| bool emberAfBasicClusterMfgSpecificPingCallback(chip::app::CommandHandler * commandObj) |
| { |
| emberAfSendDefaultResponse(emberAfCurrentCommand(), EMBER_ZCL_STATUS_SUCCESS); |
| return true; |
| } |