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/*
*
* 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.
*/
#include "AppTask.h"
#include "AppConfig.h"
#include "BoltLockManager.h"
#include "LEDWidget.h"
#include <DeviceInfoProviderImpl.h>
#include <app-common/zap-generated/attribute-id.h>
#include <app-common/zap-generated/attribute-type.h>
#include <app-common/zap-generated/attributes/Accessors.h>
#include <app-common/zap-generated/cluster-id.h>
#include <app/clusters/door-lock-server/door-lock-server.h>
#include <app/clusters/ota-requestor/OTATestEventTriggerDelegate.h>
#include <app/server/OnboardingCodesUtil.h>
#include <app/server/Server.h>
#include <credentials/DeviceAttestationCredsProvider.h>
#include <credentials/examples/DeviceAttestationCredsExample.h>
#include <lib/support/CHIPMem.h>
#include <lib/support/CodeUtils.h>
#include <lib/support/ErrorStr.h>
#include <system/SystemClock.h>
#if CONFIG_CHIP_OTA_REQUESTOR
#include "OTAUtil.h"
#endif
#include <dk_buttons_and_leds.h>
#include <zephyr/logging/log.h>
#include <zephyr/zephyr.h>
using namespace ::chip;
using namespace ::chip::app;
using namespace ::chip::app::Clusters::DoorLock;
using namespace ::chip::Credentials;
using namespace ::chip::DeviceLayer;
#define FACTORY_RESET_TRIGGER_TIMEOUT 3000
#define FACTORY_RESET_CANCEL_WINDOW_TIMEOUT 3000
#define APP_EVENT_QUEUE_SIZE 10
#define BUTTON_PUSH_EVENT 1
#define BUTTON_RELEASE_EVENT 0
namespace {
constexpr EndpointId kLockEndpointId = 1;
// NOTE! This key is for test/certification only and should not be available in production devices!
// If CONFIG_CHIP_FACTORY_DATA is enabled, this value is read from the factory data.
uint8_t sTestEventTriggerEnableKey[TestEventTriggerDelegate::kEnableKeyLength] = { 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77,
0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff };
LOG_MODULE_DECLARE(app, CONFIG_MATTER_LOG_LEVEL);
K_MSGQ_DEFINE(sAppEventQueue, sizeof(AppEvent), APP_EVENT_QUEUE_SIZE, alignof(AppEvent));
k_timer sFunctionTimer;
LEDWidget sStatusLED;
LEDWidget sLockLED;
LEDWidget sUnusedLED;
LEDWidget sUnusedLED_1;
bool sIsThreadProvisioned = false;
bool sIsThreadEnabled = false;
bool sHaveBLEConnections = false;
chip::DeviceLayer::DeviceInfoProviderImpl gExampleDeviceInfoProvider;
} // namespace
AppTask AppTask::sAppTask;
CHIP_ERROR AppTask::Init()
{
// Initialize CHIP stack
LOG_INF("Init CHIP stack");
CHIP_ERROR err = chip::Platform::MemoryInit();
if (err != CHIP_NO_ERROR)
{
LOG_ERR("Platform::MemoryInit() failed");
return err;
}
err = PlatformMgr().InitChipStack();
if (err != CHIP_NO_ERROR)
{
LOG_ERR("PlatformMgr().InitChipStack() failed");
return err;
}
#if defined(CONFIG_NET_L2_OPENTHREAD)
err = ThreadStackMgr().InitThreadStack();
if (err != CHIP_NO_ERROR)
{
LOG_ERR("ThreadStackMgr().InitThreadStack() failed");
return err;
}
#ifdef CONFIG_OPENTHREAD_MTD_SED
err = ConnectivityMgr().SetThreadDeviceType(ConnectivityManager::kThreadDeviceType_SleepyEndDevice);
#else
err = ConnectivityMgr().SetThreadDeviceType(ConnectivityManager::kThreadDeviceType_MinimalEndDevice);
#endif
if (err != CHIP_NO_ERROR)
{
LOG_ERR("ConnectivityMgr().SetThreadDeviceType() failed");
return err;
}
#else
return CHIP_ERROR_INTERNAL;
#endif
// Initialize LEDs
LEDWidget::InitGpio();
LEDWidget::SetStateUpdateCallback(LEDStateUpdateHandler);
sStatusLED.Init(SYSTEM_STATE_LED);
sLockLED.Init(LOCK_STATE_LED);
sLockLED.Set(BoltLockMgr().IsLocked());
sUnusedLED.Init(DK_LED3);
sUnusedLED_1.Init(DK_LED4);
UpdateStatusLED();
BoltLockMgr().Init(LockStateChanged);
// Initialize buttons
int ret = dk_buttons_init(ButtonEventHandler);
if (ret)
{
LOG_ERR("dk_buttons_init() failed");
return chip::System::MapErrorZephyr(ret);
}
// Initialize function button timer
k_timer_init(&sFunctionTimer, &AppTask::TimerEventHandler, nullptr);
k_timer_user_data_set(&sFunctionTimer, this);
#ifdef CONFIG_MCUMGR_SMP_BT
// Initialize DFU over SMP
GetDFUOverSMP().Init(RequestSMPAdvertisingStart);
GetDFUOverSMP().ConfirmNewImage();
#endif
// Initialize CHIP server
#if CONFIG_CHIP_FACTORY_DATA
ReturnErrorOnFailure(mFactoryDataProvider.Init());
SetDeviceInstanceInfoProvider(&mFactoryDataProvider);
SetDeviceAttestationCredentialsProvider(&mFactoryDataProvider);
SetCommissionableDataProvider(&mFactoryDataProvider);
// Read EnableKey from the factory data.
MutableByteSpan enableKey(sTestEventTriggerEnableKey);
err = mFactoryDataProvider.GetEnableKey(enableKey);
if (err != CHIP_NO_ERROR)
{
LOG_ERR("mFactoryDataProvider.GetEnableKey() failed. Could not delegate a test event trigger");
memset(sTestEventTriggerEnableKey, 0, sizeof(sTestEventTriggerEnableKey));
}
#else
SetDeviceAttestationCredentialsProvider(Examples::GetExampleDACProvider());
#endif
static CommonCaseDeviceServerInitParams initParams;
static OTATestEventTriggerDelegate testEventTriggerDelegate{ ByteSpan(sTestEventTriggerEnableKey) };
(void) initParams.InitializeStaticResourcesBeforeServerInit();
initParams.testEventTriggerDelegate = &testEventTriggerDelegate;
ReturnErrorOnFailure(chip::Server::GetInstance().Init(initParams));
gExampleDeviceInfoProvider.SetStorageDelegate(&Server::GetInstance().GetPersistentStorage());
chip::DeviceLayer::SetDeviceInfoProvider(&gExampleDeviceInfoProvider);
ConfigurationMgr().LogDeviceConfig();
PrintOnboardingCodes(chip::RendezvousInformationFlags(chip::RendezvousInformationFlag::kBLE));
// Add CHIP event handler and start CHIP thread.
// Note that all the initialization code should happen prior to this point to avoid data races
// between the main and the CHIP threads.
PlatformMgr().AddEventHandler(ChipEventHandler, 0);
// Disable auto-relock time feature.
DoorLockServer::Instance().SetAutoRelockTime(kLockEndpointId, 0);
err = PlatformMgr().StartEventLoopTask();
if (err != CHIP_NO_ERROR)
{
LOG_ERR("PlatformMgr().StartEventLoopTask() failed");
}
return err;
}
CHIP_ERROR AppTask::StartApp()
{
ReturnErrorOnFailure(Init());
AppEvent event = {};
while (true)
{
k_msgq_get(&sAppEventQueue, &event, K_FOREVER);
DispatchEvent(&event);
}
return CHIP_NO_ERROR;
}
void AppTask::LockActionEventHandler(AppEvent * aEvent)
{
if (BoltLockMgr().IsLocked())
{
BoltLockMgr().Unlock(BoltLockManager::OperationSource::kButton);
}
else
{
BoltLockMgr().Lock(BoltLockManager::OperationSource::kButton);
}
}
void AppTask::ButtonEventHandler(uint32_t button_state, uint32_t has_changed)
{
AppEvent button_event;
button_event.Type = AppEvent::kEventType_Button;
if (LOCK_BUTTON_MASK & button_state & has_changed)
{
button_event.ButtonEvent.PinNo = LOCK_BUTTON;
button_event.ButtonEvent.Action = BUTTON_PUSH_EVENT;
button_event.Handler = LockActionEventHandler;
sAppTask.PostEvent(&button_event);
}
if (FUNCTION_BUTTON_MASK & has_changed)
{
button_event.ButtonEvent.PinNo = FUNCTION_BUTTON;
button_event.ButtonEvent.Action = (FUNCTION_BUTTON_MASK & button_state) ? BUTTON_PUSH_EVENT : BUTTON_RELEASE_EVENT;
button_event.Handler = FunctionHandler;
sAppTask.PostEvent(&button_event);
}
if (BLE_ADVERTISEMENT_START_BUTTON_MASK & button_state & has_changed)
{
button_event.ButtonEvent.PinNo = BLE_ADVERTISEMENT_START_BUTTON;
button_event.ButtonEvent.Action = BUTTON_PUSH_EVENT;
button_event.Handler = StartBLEAdvertisementHandler;
sAppTask.PostEvent(&button_event);
}
}
void AppTask::TimerEventHandler(k_timer * timer)
{
AppEvent event;
event.Type = AppEvent::kEventType_Timer;
event.TimerEvent.Context = k_timer_user_data_get(timer);
event.Handler = FunctionTimerEventHandler;
sAppTask.PostEvent(&event);
}
void AppTask::FunctionTimerEventHandler(AppEvent * aEvent)
{
if (aEvent->Type != AppEvent::kEventType_Timer)
return;
// If we reached here, the button was held past FACTORY_RESET_TRIGGER_TIMEOUT, initiate factory reset
if (sAppTask.mFunctionTimerActive && sAppTask.mFunction == kFunction_SoftwareUpdate)
{
LOG_INF("Factory Reset Triggered. Release button within %ums to cancel.", FACTORY_RESET_TRIGGER_TIMEOUT);
// Start timer for FACTORY_RESET_CANCEL_WINDOW_TIMEOUT to allow user to cancel, if required.
sAppTask.StartTimer(FACTORY_RESET_CANCEL_WINDOW_TIMEOUT);
sAppTask.mFunction = kFunction_FactoryReset;
#ifdef CONFIG_STATE_LEDS
// Turn off all LEDs before starting blink to make sure blink is co-ordinated.
sStatusLED.Set(false);
sLockLED.Set(false);
sUnusedLED_1.Set(false);
sUnusedLED.Set(false);
sStatusLED.Blink(500);
sLockLED.Blink(500);
sUnusedLED.Blink(500);
sUnusedLED_1.Blink(500);
#endif
}
else if (sAppTask.mFunctionTimerActive && sAppTask.mFunction == kFunction_FactoryReset)
{
// Actually trigger Factory Reset
sAppTask.mFunction = kFunction_NoneSelected;
chip::Server::GetInstance().ScheduleFactoryReset();
}
}
#ifdef CONFIG_MCUMGR_SMP_BT
void AppTask::RequestSMPAdvertisingStart(void)
{
AppEvent event;
event.Type = AppEvent::kEventType_StartSMPAdvertising;
event.Handler = [](AppEvent *) { GetDFUOverSMP().StartBLEAdvertising(); };
sAppTask.PostEvent(&event);
}
#endif
void AppTask::FunctionHandler(AppEvent * aEvent)
{
if (aEvent->ButtonEvent.PinNo != FUNCTION_BUTTON)
return;
// To trigger software update: press the FUNCTION_BUTTON button briefly (< FACTORY_RESET_TRIGGER_TIMEOUT)
// To initiate factory reset: press the FUNCTION_BUTTON for FACTORY_RESET_TRIGGER_TIMEOUT + FACTORY_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_BUTTON once all LEDs start blinking within the
// FACTORY_RESET_CANCEL_WINDOW_TIMEOUT
if (aEvent->ButtonEvent.Action == BUTTON_PUSH_EVENT)
{
if (!sAppTask.mFunctionTimerActive && sAppTask.mFunction == kFunction_NoneSelected)
{
sAppTask.StartTimer(FACTORY_RESET_TRIGGER_TIMEOUT);
sAppTask.mFunction = kFunction_SoftwareUpdate;
}
}
else
{
// If the button was released before factory reset got initiated, trigger a software update.
if (sAppTask.mFunctionTimerActive && sAppTask.mFunction == kFunction_SoftwareUpdate)
{
sAppTask.CancelTimer();
sAppTask.mFunction = kFunction_NoneSelected;
#ifdef CONFIG_MCUMGR_SMP_BT
GetDFUOverSMP().StartServer();
#else
LOG_INF("Software update is disabled");
#endif
}
else if (sAppTask.mFunctionTimerActive && sAppTask.mFunction == kFunction_FactoryReset)
{
sUnusedLED.Set(false);
sUnusedLED_1.Set(false);
// Set lock status LED back to show state of lock.
sLockLED.Set(BoltLockMgr().IsLocked());
UpdateStatusLED();
sAppTask.CancelTimer();
// Change the function to none selected since factory reset has been canceled.
sAppTask.mFunction = kFunction_NoneSelected;
LOG_INF("Factory Reset has been Canceled");
}
}
}
void AppTask::StartBLEAdvertisementHandler(AppEvent *)
{
if (Server::GetInstance().GetFabricTable().FabricCount() != 0)
{
LOG_INF("Matter service BLE advertising not started - device is already commissioned");
return;
}
if (ConnectivityMgr().IsBLEAdvertisingEnabled())
{
LOG_INF("BLE advertising is already enabled");
return;
}
if (Server::GetInstance().GetCommissioningWindowManager().OpenBasicCommissioningWindow() != CHIP_NO_ERROR)
{
LOG_ERR("OpenBasicCommissioningWindow() failed");
}
}
void AppTask::UpdateLedStateEventHandler(AppEvent * aEvent)
{
if (aEvent->Type == AppEvent::kEventType_UpdateLedState)
{
aEvent->UpdateLedStateEvent.LedWidget->UpdateState();
}
}
void AppTask::LEDStateUpdateHandler(LEDWidget & ledWidget)
{
AppEvent event;
event.Type = AppEvent::kEventType_UpdateLedState;
event.Handler = UpdateLedStateEventHandler;
event.UpdateLedStateEvent.LedWidget = &ledWidget;
sAppTask.PostEvent(&event);
}
void AppTask::UpdateStatusLED()
{
#ifdef CONFIG_STATE_LEDS
/* Update the status LED.
*
* If thread and service provisioned, keep the LED On constantly.
*
* If the system has ble connection(s) uptill the stage above, THEN blink the LED at an even
* rate of 100ms.
*
* Otherwise, blink the LED On for a very short time. */
if (sIsThreadProvisioned && sIsThreadEnabled)
{
sStatusLED.Set(true);
}
else if (sHaveBLEConnections)
{
sStatusLED.Blink(100, 100);
}
else
{
sStatusLED.Blink(50, 950);
}
#endif
}
void AppTask::ChipEventHandler(const ChipDeviceEvent * event, intptr_t /* arg */)
{
switch (event->Type)
{
case DeviceEventType::kCHIPoBLEAdvertisingChange:
#ifdef CONFIG_CHIP_NFC_COMMISSIONING
if (event->CHIPoBLEAdvertisingChange.Result == kActivity_Started)
{
if (NFCMgr().IsTagEmulationStarted())
{
LOG_INF("NFC Tag emulation is already started");
}
else
{
ShareQRCodeOverNFC(chip::RendezvousInformationFlags(chip::RendezvousInformationFlag::kBLE));
}
}
else if (event->CHIPoBLEAdvertisingChange.Result == kActivity_Stopped)
{
NFCMgr().StopTagEmulation();
}
#endif
sHaveBLEConnections = ConnectivityMgr().NumBLEConnections() != 0;
UpdateStatusLED();
break;
case DeviceEventType::kThreadStateChange:
sIsThreadProvisioned = ConnectivityMgr().IsThreadProvisioned();
sIsThreadEnabled = ConnectivityMgr().IsThreadEnabled();
UpdateStatusLED();
break;
case DeviceEventType::kDnssdPlatformInitialized:
#if CONFIG_CHIP_OTA_REQUESTOR
InitBasicOTARequestor();
#endif
break;
default:
break;
}
}
void AppTask::CancelTimer()
{
k_timer_stop(&sFunctionTimer);
mFunctionTimerActive = false;
}
void AppTask::StartTimer(uint32_t aTimeoutInMs)
{
k_timer_start(&sFunctionTimer, K_MSEC(aTimeoutInMs), K_NO_WAIT);
mFunctionTimerActive = true;
}
void AppTask::LockStateChanged(BoltLockManager::State state, BoltLockManager::OperationSource source)
{
switch (state)
{
case BoltLockManager::State::kLockingInitiated:
LOG_INF("Lock action initiated");
sLockLED.Blink(50, 50);
break;
case BoltLockManager::State::kLockingCompleted:
LOG_INF("Lock action completed");
sLockLED.Set(true);
break;
case BoltLockManager::State::kUnlockingInitiated:
LOG_INF("Unlock action initiated");
sLockLED.Blink(50, 50);
break;
case BoltLockManager::State::kUnlockingCompleted:
LOG_INF("Unlock action completed");
sLockLED.Set(false);
break;
}
sAppTask.UpdateClusterState(state, source);
}
void AppTask::PostEvent(AppEvent * aEvent)
{
if (k_msgq_put(&sAppEventQueue, aEvent, K_NO_WAIT))
{
LOG_INF("Failed to post event to app task event queue");
}
}
void AppTask::DispatchEvent(AppEvent * aEvent)
{
if (aEvent->Handler)
{
aEvent->Handler(aEvent);
}
else
{
LOG_INF("Event received with no handler. Dropping event.");
}
}
void AppTask::UpdateClusterState(BoltLockManager::State state, BoltLockManager::OperationSource source)
{
DlLockState newLockState;
switch (state)
{
case BoltLockManager::State::kLockingCompleted:
newLockState = DlLockState::kLocked;
break;
case BoltLockManager::State::kUnlockingCompleted:
newLockState = DlLockState::kUnlocked;
break;
default:
newLockState = DlLockState::kNotFullyLocked;
break;
}
SystemLayer().ScheduleLambda([newLockState, source] {
chip::app::DataModel::Nullable<chip::app::Clusters::DoorLock::DlLockState> currentLockState;
chip::app::Clusters::DoorLock::Attributes::LockState::Get(kLockEndpointId, currentLockState);
if (currentLockState.IsNull())
{
// Initialize lock state with start value, but not invoke lock/unlock.
chip::app::Clusters::DoorLock::Attributes::LockState::Set(kLockEndpointId, newLockState);
}
else
{
LOG_INF("Updating LockState attribute");
if (!DoorLockServer::Instance().SetLockState(kLockEndpointId, newLockState, source))
{
LOG_ERR("Failed to update LockState attribute");
}
}
});
}