| /* |
| * |
| * Copyright (c) 2021 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. |
| */ |
| |
| #include "AppTask.h" |
| #include <LEDWidget.h> |
| |
| #include <app/server/Dnssd.h> |
| #include <app/server/OnboardingCodesUtil.h> |
| #include <app/server/Server.h> |
| #include <credentials/DeviceAttestationCredsProvider.h> |
| #include <credentials/examples/DeviceAttestationCredsExample.h> |
| #include <lib/support/logging/CHIPLogging.h> |
| #include <platform/CHIPDeviceLayer.h> |
| |
| // mbed-os headers |
| #include "drivers/Timeout.h" |
| #include "events/EventQueue.h" |
| |
| #ifdef CAPSENSE_ENABLED |
| #include "capsense.h" |
| #else |
| #include "drivers/InterruptIn.h" |
| #include "platform/Callback.h" |
| #endif |
| |
| static bool sIsWiFiStationProvisioned = false; |
| static bool sIsWiFiStationEnabled = false; |
| static bool sIsWiFiStationConnected = false; |
| static bool sIsPairedToAccount = false; |
| static bool sHaveBLEConnections = false; |
| |
| static events::EventQueue sAppEventQueue; |
| |
| using namespace ::chip; |
| using namespace ::chip::Credentials; |
| using namespace ::chip::DeviceLayer; |
| |
| static LEDWidget sStatusLED(MBED_CONF_APP_SYSTEM_STATE_LED); |
| |
| #define FACTORY_RESET_TRIGGER_TIMEOUT (MBED_CONF_APP_FACTORY_RESET_TRIGGER_TIMEOUT) |
| #define COMMISSIONING_RESET_TRIGGER_TIMEOUT (MBED_CONF_APP_FACTORY_RESET_TRIGGER_TIMEOUT) |
| #define RESET_CANCEL_WINDOW_TIMEOUT (MBED_CONF_APP_RESET_CANCEL_WINDOW_TIMEOUT) |
| #define USER_RESPONSE_TIMEOUT (MBED_CONF_APP_USER_RESPONSE_TIMEOUT) |
| |
| #define FUNCTION_BUTTON1 (MBED_CONF_APP_FUNCTION_BUTTON1) |
| #define FUNCTION_BUTTON2 (MBED_CONF_APP_FUNCTION_BUTTON2) |
| |
| #ifdef CAPSENSE_ENABLED |
| static mbed::CapsenseButton CapFunctionButton1(Capsense::getInstance(), 0); |
| static mbed::CapsenseButton CapFunctionButton2(Capsense::getInstance(), 1); |
| #else |
| static mbed::InterruptIn sFunctionButton1(FUNCTION_BUTTON1); |
| static mbed::InterruptIn sFunctionButton2(FUNCTION_BUTTON2); |
| #endif |
| |
| static mbed::Timeout sFunctionTimer[AppTask::kFunction_Button_last]; |
| |
| AppTask AppTask::sAppTask; |
| |
| int AppTask::Init() |
| { |
| CHIP_ERROR error; |
| // Register the callback to init the MDNS server when connectivity is available |
| PlatformMgr().AddEventHandler( |
| [](const ChipDeviceEvent * event, intptr_t arg) { |
| // Restart the server whenever an ip address is renewed |
| if (event->Type == DeviceEventType::kInternetConnectivityChange) |
| { |
| if (event->InternetConnectivityChange.IPv4 == kConnectivity_Established || |
| event->InternetConnectivityChange.IPv6 == kConnectivity_Established) |
| { |
| chip::app::DnssdServer::Instance().StartServer(); |
| } |
| } |
| }, |
| 0); |
| |
| // Initialize buttons |
| #ifdef CAPSENSE_ENABLED |
| CapFunctionButton1.fall(mbed::callback(this, &AppTask::FunctionButton1PressEventHandler)); |
| CapFunctionButton1.rise(mbed::callback(this, &AppTask::FunctionButton1ReleaseEventHandler)); |
| CapFunctionButton2.fall(mbed::callback(this, &AppTask::FunctionButton2PressEventHandler)); |
| CapFunctionButton2.rise(mbed::callback(this, &AppTask::FunctionButton2ReleaseEventHandler)); |
| #else |
| sFunctionButton1.fall(mbed::callback(this, &AppTask::FunctionButton1PressEventHandler)); |
| sFunctionButton1.rise(mbed::callback(this, &AppTask::FunctionButton1ReleaseEventHandler)); |
| sFunctionButton2.fall(mbed::callback(this, &AppTask::FunctionButton2PressEventHandler)); |
| sFunctionButton2.rise(mbed::callback(this, &AppTask::FunctionButton2ReleaseEventHandler)); |
| #endif |
| |
| // Init ZCL Data Model and start server |
| static chip::CommonCaseDeviceServerInitParams initParams; |
| (void) initParams.InitializeStaticResourcesBeforeServerInit(); |
| |
| error = Server::GetInstance().Init(initParams); |
| if (error != CHIP_NO_ERROR) |
| { |
| ChipLogError(NotSpecified, "Server initialization failed: %s", error.AsString()); |
| return EXIT_FAILURE; |
| } |
| |
| // Initialize device attestation config |
| SetDeviceAttestationCredentialsProvider(Examples::GetExampleDACProvider()); |
| ConfigurationMgr().LogDeviceConfig(); |
| // QR code will be used with CHIP Tool |
| PrintOnboardingCodes(chip::RendezvousInformationFlags(chip::RendezvousInformationFlag::kBLE)); |
| |
| error = GetDFUManager().Init(&mOnUpdateAvailableCallback, &mOnUpdateApplyCallback); |
| if (error != CHIP_NO_ERROR) |
| { |
| ChipLogError(NotSpecified, "DFU manager initialization failed: %s", error.AsString()); |
| return EXIT_FAILURE; |
| } |
| |
| return 0; |
| } |
| |
| int AppTask::StartApp() |
| { |
| int ret = Init(); |
| if (ret) |
| { |
| ChipLogError(NotSpecified, "AppTask.Init() failed"); |
| return ret; |
| } |
| |
| ChipLogProgress(NotSpecified, "Mbed ota-requestor-app example application run"); |
| |
| while (true) |
| { |
| sAppEventQueue.dispatch(100); |
| |
| // Collect connectivity and configuration state from the CHIP stack. Because the |
| // CHIP event loop is being run in a separate task, the stack must be locked |
| // while these values are queried. However we use a non-blocking lock request |
| // (TryLockChipStack()) to avoid blocking other UI activities when the CHIP |
| // task is busy (e.g. with a long crypto operation). |
| |
| if (PlatformMgr().TryLockChipStack()) |
| { |
| sIsWiFiStationProvisioned = ConnectivityMgr().IsWiFiStationProvisioned(); |
| sIsWiFiStationEnabled = ConnectivityMgr().IsWiFiStationEnabled(); |
| sIsWiFiStationConnected = ConnectivityMgr().IsWiFiStationConnected(); |
| sHaveBLEConnections = (ConnectivityMgr().NumBLEConnections() != 0); |
| PlatformMgr().UnlockChipStack(); |
| } |
| |
| // If system is connected to Wi-Fi station, keep the LED On constantly. |
| // |
| // If Wi-Fi is provisioned, but not connected to Wi-Fi station yet |
| // THEN blink the LED Off for a short period of time. |
| // |
| // If the system has ble connection(s) uptill the stage above, THEN blink the LEDs at an even |
| // rate of 100ms. |
| // |
| // Otherwise, blink the LED ON for a very short time. |
| if (sIsWiFiStationConnected) |
| { |
| sStatusLED.Set(true); |
| } |
| else if (sIsWiFiStationProvisioned && sIsWiFiStationEnabled && sIsPairedToAccount && !sIsWiFiStationConnected) |
| { |
| sStatusLED.Blink(950, 50); |
| } |
| else if (sHaveBLEConnections) |
| { |
| sStatusLED.Blink(100, 100); |
| } |
| else |
| { |
| sStatusLED.Blink(50, 950); |
| } |
| |
| sStatusLED.Animate(); |
| } |
| } |
| |
| void AppTask::PostEvent(AppEvent * aEvent) |
| { |
| auto handle = sAppEventQueue.call([event = *aEvent, this] { DispatchEvent(&event); }); |
| if (!handle) |
| { |
| ChipLogError(NotSpecified, "Failed to post event to app task event queue: Not enough memory"); |
| } |
| } |
| |
| void AppTask::DispatchEvent(const AppEvent * aEvent) |
| { |
| if (aEvent->Handler) |
| { |
| aEvent->Handler(const_cast<AppEvent *>(aEvent)); |
| } |
| else |
| { |
| ChipLogError(NotSpecified, "Event received with no handler. Dropping event."); |
| } |
| } |
| |
| void AppTask::StartTimer(uint8_t index, uint32_t aTimeoutInMs) |
| { |
| auto chronoTimeoutMs = std::chrono::duration<uint32_t, std::milli>(aTimeoutInMs); |
| sFunctionTimer[index].attach(mTimerCallbacks[index], chronoTimeoutMs); |
| mFunctionTimerActive[index] = true; |
| } |
| |
| void AppTask::CancelTimer(uint8_t index) |
| { |
| sFunctionTimer[index].detach(); |
| mFunctionTimerActive[index] = false; |
| } |
| |
| void AppTask::TimerButton1EventHandler() |
| { |
| AppEvent event; |
| event.Type = AppEvent::kEventType_Timer; |
| event.TimerEvent.index = kFunction_Button_1; |
| event.Handler = FunctionTimerEventHandler; |
| sAppTask.PostEvent(&event); |
| } |
| |
| void AppTask::TimerButton2EventHandler() |
| { |
| AppEvent event; |
| event.Type = AppEvent::kEventType_Timer; |
| event.TimerEvent.index = kFunction_Button_2; |
| event.Handler = FunctionTimerEventHandler; |
| sAppTask.PostEvent(&event); |
| } |
| |
| void AppTask::FunctionButton1PressEventHandler() |
| { |
| AppEvent button_event; |
| button_event.Type = AppEvent::kEventType_Button; |
| button_event.ButtonEvent.button = kFunction_Button_1; |
| button_event.ButtonEvent.action = kFunction_Button_push; |
| button_event.Handler = ButtonHandler; |
| sAppTask.PostEvent(&button_event); |
| } |
| |
| void AppTask::FunctionButton1ReleaseEventHandler() |
| { |
| AppEvent button_event; |
| button_event.Type = AppEvent::kEventType_Button; |
| button_event.ButtonEvent.button = kFunction_Button_1; |
| button_event.ButtonEvent.action = kFunction_Button_release; |
| button_event.Handler = ButtonHandler; |
| sAppTask.PostEvent(&button_event); |
| } |
| |
| void AppTask::FunctionButton2PressEventHandler() |
| { |
| AppEvent button_event; |
| button_event.Type = AppEvent::kEventType_Button; |
| button_event.ButtonEvent.button = kFunction_Button_2; |
| button_event.ButtonEvent.action = kFunction_Button_push; |
| button_event.Handler = ButtonHandler; |
| sAppTask.PostEvent(&button_event); |
| } |
| |
| void AppTask::FunctionButton2ReleaseEventHandler() |
| { |
| AppEvent button_event; |
| button_event.Type = AppEvent::kEventType_Button; |
| button_event.ButtonEvent.button = kFunction_Button_2; |
| button_event.ButtonEvent.action = kFunction_Button_release; |
| button_event.Handler = ButtonHandler; |
| sAppTask.PostEvent(&button_event); |
| } |
| |
| void AppTask::ButtonEventHandler(uint32_t id, bool pushed) |
| { |
| if (id > 1) |
| { |
| ChipLogError(NotSpecified, "Wrong button ID"); |
| return; |
| } |
| |
| AppEvent button_event; |
| button_event.Type = AppEvent::kEventType_Button; |
| button_event.ButtonEvent.button = id == 0 ? kFunction_Button_1 : kFunction_Button_2; |
| button_event.ButtonEvent.action = pushed ? kFunction_Button_push : kFunction_Button_release; |
| button_event.Handler = ButtonHandler; |
| |
| sAppTask.PostEvent(&button_event); |
| } |
| |
| void AppTask::ButtonHandler(AppEvent * aEvent) |
| { |
| if (aEvent->Type != AppEvent::kEventType_Button) |
| return; |
| |
| switch (aEvent->ButtonEvent.button) |
| { |
| case kFunction_Button_1: |
| // To trigger a confirm response: press the FUNCTION_BUTTON1 button briefly (< FACTORY_RESET_TRIGGER_TIMEOUT) |
| // To initiate factory reset: press the FUNCTION_BUTTON1 for FACTORY_RESET_TRIGGER_TIMEOUT + |
| // RESET_CANCEL_WINDOW_TIMEOUT All LEDs start blinking after FACTORY_RESET_TRIGGER_TIMEOUT to signal factory reset |
| // has been initiated. To cancel factory reset: release the FUNCTION_BUTTON1 once all LEDs start blinking within the |
| // RESET_CANCEL_WINDOW_TIMEOUT |
| if (aEvent->ButtonEvent.action == kFunction_Button_push) |
| { |
| if (!sAppTask.mFunctionTimerActive[kFunction_Button_1] && |
| sAppTask.mFunction[kFunction_Button_1] == kFunction_NoneSelected) |
| { |
| sAppTask.StartTimer(kFunction_Button_1, FACTORY_RESET_TRIGGER_TIMEOUT); |
| |
| sAppTask.mFunction[kFunction_Button_1] = kFunction_ConfirmResponse; |
| } |
| } |
| else |
| { |
| // If the button was released before factory reset got initiated, trigger a confirm response. |
| if (sAppTask.mFunctionTimerActive[kFunction_Button_1] && |
| sAppTask.mFunction[kFunction_Button_1] == kFunction_ConfirmResponse) |
| { |
| sAppTask.CancelTimer(kFunction_Button_1); |
| sAppTask.mFunction[kFunction_Button_1] = kFunction_NoneSelected; |
| sAppTask.mUserResponseFlag.set(kUser_Response_confirm); |
| } |
| else if (sAppTask.mFunctionTimerActive[kFunction_Button_1] && |
| sAppTask.mFunction[kFunction_Button_1] == kFunction_FactoryReset) |
| { |
| sAppTask.CancelTimer(kFunction_Button_1); |
| |
| // Change the function to none selected since factory reset has been canceled. |
| sAppTask.mFunction[kFunction_Button_1] = kFunction_NoneSelected; |
| |
| ChipLogProgress(NotSpecified, "Factory Reset has been Canceled"); |
| } |
| } |
| break; |
| case kFunction_Button_2: |
| // To trigger a reject response: press the FUNCTION_BUTTON2 button briefly (< COMMISSIONING_RESET_TRIGGER_TIMEOUT) |
| // To initiate commissioning reset: press the FUNCTION_BUTTON2 for COMMISSIONING_RESET_TRIGGER_TIMEOUT + |
| // RESET_CANCEL_WINDOW_TIMEOUT All LEDs start blinking after COMMISSIONING_RESET_TRIGGER_TIMEOUT to signal commissioning |
| // reset has been initiated. To cancel commissioning reset: release the FUNCTION_BUTTON2 once all LEDs start blinking within |
| // the RESET_CANCEL_WINDOW_TIMEOUT |
| if (aEvent->ButtonEvent.action == kFunction_Button_push) |
| { |
| if (!sAppTask.mFunctionTimerActive[kFunction_Button_2] && |
| sAppTask.mFunction[kFunction_Button_2] == kFunction_NoneSelected) |
| { |
| sAppTask.StartTimer(kFunction_Button_2, COMMISSIONING_RESET_TRIGGER_TIMEOUT); |
| |
| sAppTask.mFunction[kFunction_Button_2] = kFunction_RejectResponse; |
| } |
| } |
| else |
| { |
| // If the button was released before factory reset got initiated, trigger a confirm response. |
| if (sAppTask.mFunctionTimerActive[kFunction_Button_2] && |
| sAppTask.mFunction[kFunction_Button_2] == kFunction_RejectResponse) |
| { |
| sAppTask.CancelTimer(kFunction_Button_2); |
| sAppTask.mFunction[kFunction_Button_2] = kFunction_NoneSelected; |
| sAppTask.mUserResponseFlag.set(kUser_Response_reject); |
| } |
| else if (sAppTask.mFunctionTimerActive[kFunction_Button_2] && |
| sAppTask.mFunction[kFunction_Button_2] == kFunction_CommissioningReset) |
| { |
| sAppTask.CancelTimer(kFunction_Button_2); |
| |
| // Change the function to none selected since factory reset has been canceled. |
| sAppTask.mFunction[kFunction_Button_2] = kFunction_NoneSelected; |
| |
| ChipLogProgress(NotSpecified, "Commissioning Reset has been Canceled"); |
| } |
| } |
| break; |
| default: |
| ChipLogError(NotSpecified, "Button type not supported"); |
| } |
| } |
| |
| void AppTask::FunctionTimerEventHandler(AppEvent * aEvent) |
| { |
| if (aEvent->Type != AppEvent::kEventType_Timer) |
| return; |
| |
| switch (aEvent->TimerEvent.index) |
| { |
| case kFunction_Button_1: |
| // If we reached here, the button was held past FACTORY_RESET_TRIGGER_TIMEOUT, initiate factory reset |
| if (sAppTask.mFunctionTimerActive[kFunction_Button_1] && |
| sAppTask.mFunction[kFunction_Button_1] == kFunction_ConfirmResponse) |
| { |
| ChipLogProgress(NotSpecified, "Factory Reset Triggered. Release button within %ums to cancel.", |
| RESET_CANCEL_WINDOW_TIMEOUT); |
| |
| // Start timer for RESET_CANCEL_WINDOW_TIMEOUT to allow user to |
| // cancel, if required. |
| sAppTask.StartTimer(kFunction_Button_1, RESET_CANCEL_WINDOW_TIMEOUT); |
| sAppTask.mFunction[kFunction_Button_1] = kFunction_FactoryReset; |
| |
| // Turn off all LEDs before starting blink to make sure blink is co-ordinated. |
| sStatusLED.Set(false); |
| sStatusLED.Blink(500); |
| } |
| else if (sAppTask.mFunctionTimerActive[kFunction_Button_1] && |
| sAppTask.mFunction[kFunction_Button_1] == kFunction_FactoryReset) |
| { |
| // Actually trigger Factory Reset |
| ChipLogProgress(NotSpecified, "Factory Reset initiated"); |
| sAppTask.CancelTimer(kFunction_Button_1); |
| sAppTask.mFunction[kFunction_Button_1] = kFunction_NoneSelected; |
| |
| chip::Server::GetInstance().ScheduleFactoryReset(); |
| } |
| break; |
| case kFunction_Button_2: |
| // If we reached here, the button was held past COMMISSIONING_RESET_TRIGGER_TIMEOUT, initiate factory reset |
| if (sAppTask.mFunctionTimerActive[kFunction_Button_2] && sAppTask.mFunction[kFunction_Button_2] == kFunction_RejectResponse) |
| { |
| ChipLogProgress(NotSpecified, "Commissioning Reset Triggered. Release button within %ums to cancel.", |
| RESET_CANCEL_WINDOW_TIMEOUT); |
| |
| // Start timer for RESET_CANCEL_WINDOW_TIMEOUT to allow user to |
| // cancel, if required. |
| sAppTask.StartTimer(kFunction_Button_2, RESET_CANCEL_WINDOW_TIMEOUT); |
| sAppTask.mFunction[kFunction_Button_2] = kFunction_CommissioningReset; |
| |
| // Turn off all LEDs before starting blink to make sure blink is co-ordinated. |
| sStatusLED.Set(false); |
| sStatusLED.Blink(500); |
| } |
| else if (sAppTask.mFunctionTimerActive[kFunction_Button_2] && |
| sAppTask.mFunction[kFunction_Button_2] == kFunction_CommissioningReset) |
| { |
| // Actually trigger Commissioning Reset |
| ChipLogProgress(NotSpecified, "Commissioning Reset initiated"); |
| sAppTask.CancelTimer(kFunction_Button_2); |
| sAppTask.mFunction[kFunction_Button_2] = kFunction_NoneSelected; |
| |
| chip::Server::GetInstance().GetFabricTable().DeleteAllFabrics(); |
| |
| if (ConnectivityMgr().IsBLEAdvertisingEnabled()) |
| { |
| ChipLogProgress(NotSpecified, "BLE advertising is already enabled"); |
| return; |
| } |
| |
| if (chip::Server::GetInstance().GetCommissioningWindowManager().OpenBasicCommissioningWindow() != CHIP_NO_ERROR) |
| { |
| ChipLogProgress(NotSpecified, "OpenBasicCommissioningWindow() failed"); |
| } |
| } |
| break; |
| default: |
| ChipLogError(NotSpecified, "Timer event index not supported [%d]", index); |
| } |
| } |
| |
| bool AppTask::OnUpdateAvailableHandler(void * context, uint32_t softwareVersion, chip::CharSpan softwareVersionString) |
| { |
| AppTask * appTask = reinterpret_cast<AppTask *>(context); |
| ChipLogProgress(NotSpecified, "\tNew update available: \t %.*s [%d]", static_cast<int>(softwareVersionString.size()), |
| softwareVersionString.data(), softwareVersion); |
| |
| ChipLogProgress(NotSpecified, "\tDo you want to download new update?"); |
| ChipLogProgress(NotSpecified, "\tRespond by pressing the button"); |
| ChipLogProgress(NotSpecified, "\t%10s%10s", "BUTTON0", "BUTTON1"); |
| ChipLogProgress(NotSpecified, "\t%10s%10s", "YES", "NO"); |
| if (USER_RESPONSE_TIMEOUT > 0) |
| { |
| ChipLogProgress(NotSpecified, "\tWaiting response timeout %d", std::chrono::seconds(USER_RESPONSE_TIMEOUT).count()); |
| } |
| |
| appTask->mUserResponseFlag.clear(); |
| uint32_t timeout = USER_RESPONSE_TIMEOUT > 0 ? USER_RESPONSE_TIMEOUT : osWaitForever; |
| uint32_t response = appTask->mUserResponseFlag.wait_any(kUser_Response_confirm | kUser_Response_reject, timeout); |
| if (response == osFlagsErrorTimeout) |
| { |
| ChipLogProgress(NotSpecified, "\tWaiting for user response timeout..."); |
| } |
| ChipLogProgress(NotSpecified, "\tDownload new update %s", response == kUser_Response_confirm ? "CONFIRM" : "REJECT"); |
| return response == kUser_Response_confirm; |
| } |
| |
| bool AppTask::OnUpdateApplyHandler(void * context) |
| { |
| AppTask * appTask = reinterpret_cast<AppTask *>(context); |
| |
| ChipLogProgress(NotSpecified, "\tNew update downloaded"); |
| ChipLogProgress(NotSpecified, "\tDo you want to apply new update?"); |
| ChipLogProgress(NotSpecified, "\tRespond by pressing the button"); |
| ChipLogProgress(NotSpecified, "\t%10s%10s", "YES", "NO"); |
| ChipLogProgress(NotSpecified, "\t%10s%10s", "BUTTON0", "BUTTON1"); |
| if (USER_RESPONSE_TIMEOUT > 0) |
| { |
| ChipLogProgress(NotSpecified, "\tWaiting response timeout %d", std::chrono::seconds(USER_RESPONSE_TIMEOUT).count()); |
| } |
| |
| appTask->mUserResponseFlag.clear(); |
| uint32_t timeout = USER_RESPONSE_TIMEOUT > 0 ? USER_RESPONSE_TIMEOUT : osWaitForever; |
| uint32_t response = appTask->mUserResponseFlag.wait_any(kUser_Response_confirm | kUser_Response_reject, timeout); |
| if (response == osFlagsErrorTimeout) |
| { |
| ChipLogProgress(NotSpecified, "\tWaiting for user response timeout..."); |
| } |
| ChipLogProgress(NotSpecified, "\tApply new update %s", response == kUser_Response_confirm ? "CONFIRM" : "REJECT"); |
| return response == kUser_Response_confirm; |
| } |