blob: 27aad563daa613a475fc60297eff73dae73c1522 [file] [log] [blame]
/*
*
* 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 "AppTask.h"
#include "Button.h"
#include "LEDWidget.h"
#include "esp_log.h"
#include <app-common/zap-generated/attributes/Accessors.h>
#include <app-common/zap-generated/ids/Clusters.h>
#include <app/server/OnboardingCodesUtil.h>
#include <app/server/Server.h>
#include <app/util/af-enums.h>
#include <app/util/attribute-storage.h>
#include <lib/support/CodeUtils.h>
#include <lock/AppConfig.h>
#include <lock/AppEvent.h>
#include <platform/CHIPDeviceLayer.h>
#include <platform/internal/CHIPDeviceLayerInternal.h>
#define FACTORY_RESET_TRIGGER_TIMEOUT 3000
#define FACTORY_RESET_CANCEL_WINDOW_TIMEOUT 3000
#define APP_EVENT_QUEUE_SIZE 10
#define APP_TASK_STACK_SIZE (3000)
#define APP_TASK_PRIORITY 2
#define STATUS_LED_GPIO_NUM GPIO_NUM_2 // Use LED1 (blue LED) as status LED on DevKitC
static const char * const TAG = "lock-app";
namespace {
TimerHandle_t sFunctionTimer; // FreeRTOS app sw timer.
LEDWidget sStatusLED;
LEDWidget sLockLED;
Button resetButton;
Button lockButton;
BaseType_t sAppTaskHandle;
QueueHandle_t sAppEventQueue;
bool sHaveBLEConnections = false;
StackType_t appStack[APP_TASK_STACK_SIZE / sizeof(StackType_t)];
} // namespace
using namespace ::chip::DeviceLayer;
using namespace ::chip::System;
AppTask AppTask::sAppTask;
CHIP_ERROR AppTask::StartAppTask()
{
sAppEventQueue = xQueueCreate(APP_EVENT_QUEUE_SIZE, sizeof(AppEvent));
if (sAppEventQueue == NULL)
{
ESP_LOGE(TAG, "Failed to allocate app event queue");
return APP_ERROR_EVENT_QUEUE_FAILED;
}
// Start App task.
sAppTaskHandle = xTaskCreate(AppTaskMain, APP_TASK_NAME, ArraySize(appStack), NULL, 1, NULL);
return sAppTaskHandle ? CHIP_NO_ERROR : APP_ERROR_CREATE_TASK_FAILED;
}
CHIP_ERROR AppTask::Init()
{
// Create FreeRTOS sw timer for Function Selection
sFunctionTimer = xTimerCreate("FnTmr", // Just a text name, not used by the RTOS kernel
1, // == default timer period (mS)
false, // no timer reload (==one-shot)
(void *) this, // init timer id = app task obj context
TimerEventHandler // timer callback handler
);
chip::DeviceLayer::StackLock lock;
CHIP_ERROR err = BoltLockMgr().InitLockState();
BoltLockMgr().SetCallbacks(ActionInitiated, ActionCompleted);
sStatusLED.Init(SYSTEM_STATE_LED);
sLockLED.Init(LOCK_STATE_LED);
resetButton.Init(APP_FUNCTION_BUTTON, APP_BUTTON_DEBOUNCE_PERIOD_MS);
lockButton.Init(APP_LOCK_BUTTON, APP_BUTTON_DEBOUNCE_PERIOD_MS);
sLockLED.Set(!BoltLockMgr().IsUnlocked());
chip::DeviceLayer::SystemLayer().ScheduleWork(UpdateClusterState, nullptr);
ConfigurationMgr().LogDeviceConfig();
PrintOnboardingCodes(chip::RendezvousInformationFlag(chip::RendezvousInformationFlag::kBLE));
return err;
}
void AppTask::AppTaskMain(void * pvParameter)
{
AppEvent event;
Clock::Timestamp lastChangeTime = Clock::kZero;
CHIP_ERROR err = sAppTask.Init();
if (err != CHIP_NO_ERROR)
{
ESP_LOGI(TAG, "AppTask.Init() failed due to %" CHIP_ERROR_FORMAT, err.Format());
return;
}
ESP_LOGI(TAG, "App Task started");
while (true)
{
BaseType_t eventReceived = xQueueReceive(sAppEventQueue, &event, pdMS_TO_TICKS(10));
while (eventReceived == pdTRUE)
{
sAppTask.DispatchEvent(&event);
eventReceived = xQueueReceive(sAppEventQueue, &event, 0);
}
// 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())
{
sHaveBLEConnections = (ConnectivityMgr().NumBLEConnections() != 0);
PlatformMgr().UnlockChipStack();
}
// Update the status LED if factory reset has not been initiated.
//
// If system has "full connectivity", keep the LED On constantly.
//
// If no connectivity to the service OR subscriptions are not fully
// established 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 (sAppTask.mFunction != kFunction_FactoryReset)
{
if (sHaveBLEConnections)
{
sStatusLED.Blink(100, 100);
}
else
{
sStatusLED.Blink(50, 950);
}
}
sStatusLED.Animate();
sLockLED.Animate();
Clock::Timestamp now = SystemClock().GetMonotonicTimestamp();
Clock::Timestamp nextChangeTime = lastChangeTime + Clock::Seconds16(5);
if (nextChangeTime < now)
{
lastChangeTime = now;
}
if (lockButton.Poll())
{
if (lockButton.IsPressed())
{
GetAppTask().ButtonEventHandler(APP_LOCK_BUTTON, APP_BUTTON_PRESSED);
}
}
if (resetButton.Poll())
{
if (resetButton.IsPressed())
{
GetAppTask().ButtonEventHandler(APP_FUNCTION_BUTTON, APP_BUTTON_PRESSED);
}
}
}
}
void AppTask::LockActionEventHandler(AppEvent * aEvent)
{
bool initiated = false;
BoltLockManager::Action_t action;
int32_t actor;
CHIP_ERROR err = CHIP_NO_ERROR;
if (aEvent->mType == AppEvent::kEventType_Lock)
{
action = static_cast<BoltLockManager::Action_t>(aEvent->mLockEvent.mAction);
actor = aEvent->mLockEvent.mActor;
}
else if (aEvent->mType == AppEvent::kEventType_Button)
{
if (BoltLockMgr().IsUnlocked())
{
action = BoltLockManager::LOCK_ACTION;
}
else
{
action = BoltLockManager::UNLOCK_ACTION;
}
actor = AppEvent::kEventType_Button;
}
else
{
err = APP_ERROR_UNHANDLED_EVENT;
}
if (err == CHIP_NO_ERROR)
{
initiated = BoltLockMgr().InitiateAction(actor, action);
if (!initiated)
{
ESP_LOGI(TAG, "Action is already in progress or active.");
}
}
}
void AppTask::ButtonEventHandler(uint8_t btnIdx, uint8_t btnAction)
{
if (btnIdx != APP_LOCK_BUTTON && btnIdx != APP_FUNCTION_BUTTON)
{
return;
}
AppEvent button_event = {};
button_event.mType = AppEvent::kEventType_Button;
button_event.mButtonEvent.mPinNo = btnIdx;
button_event.mButtonEvent.mAction = btnAction;
if (btnIdx == APP_LOCK_BUTTON && btnAction == APP_BUTTON_PRESSED)
{
button_event.mHandler = LockActionEventHandler;
sAppTask.PostEvent(&button_event);
}
else if (btnIdx == APP_FUNCTION_BUTTON)
{
button_event.mHandler = FunctionHandler;
sAppTask.PostEvent(&button_event);
}
}
void AppTask::TimerEventHandler(TimerHandle_t xTimer)
{
AppEvent event;
event.mType = AppEvent::kEventType_Timer;
event.mTimerEvent.mContext = (void *) xTimer;
event.mHandler = FunctionTimerEventHandler;
sAppTask.PostEvent(&event);
}
void AppTask::FunctionTimerEventHandler(AppEvent * aEvent)
{
if (aEvent->mType != 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_StartBleAdv)
{
ESP_LOGI(TAG, "Factory Reset Triggered. Release button within %ums to cancel.", FACTORY_RESET_CANCEL_WINDOW_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;
// Turn off all LEDs before starting blink to make sure blink is
// co-ordinated.
sStatusLED.Set(false);
sLockLED.Set(false);
sStatusLED.Blink(500);
sLockLED.Blink(500);
}
else if (sAppTask.mFunctionTimerActive && sAppTask.mFunction == kFunction_FactoryReset)
{
// Actually trigger Factory Reset
sAppTask.mFunction = kFunction_NoneSelected;
chip::Server::GetInstance().ScheduleFactoryReset();
}
}
void AppTask::FunctionHandler(AppEvent * aEvent)
{
if (aEvent->mButtonEvent.mPinNo != APP_FUNCTION_BUTTON)
{
return;
}
// To trigger software update: press the APP_FUNCTION_BUTTON button briefly (<
// FACTORY_RESET_TRIGGER_TIMEOUT) To initiate factory reset: press the
// APP_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 APP_FUNCTION_BUTTON once all LEDs
// start blinking within the FACTORY_RESET_CANCEL_WINDOW_TIMEOUT
if (aEvent->mButtonEvent.mAction == APP_BUTTON_PRESSED)
{
if (!sAppTask.mFunctionTimerActive && sAppTask.mFunction == kFunction_NoneSelected)
{
sAppTask.StartTimer(FACTORY_RESET_TRIGGER_TIMEOUT);
sAppTask.mFunction = kFunction_StartBleAdv;
}
}
else
{
// If the button was released before factory reset got initiated, start BLE advertissement in fast mode
if (sAppTask.mFunctionTimerActive && sAppTask.mFunction == kFunction_StartBleAdv)
{
sAppTask.CancelTimer();
sAppTask.mFunction = kFunction_NoneSelected;
if (!ConnectivityMgr().IsThreadProvisioned())
{
// Enable BLE advertisements
ConnectivityMgr().SetBLEAdvertisingEnabled(true);
ConnectivityMgr().SetBLEAdvertisingMode(ConnectivityMgr().kFastAdvertising);
}
else
{
ESP_LOGI(TAG, "Network is already provisioned, Ble advertissement not enabled");
}
}
else if (sAppTask.mFunctionTimerActive && sAppTask.mFunction == kFunction_FactoryReset)
{
// Set lock status LED back to show state of lock.
sLockLED.Set(!BoltLockMgr().IsUnlocked());
sAppTask.CancelTimer();
// Change the function to none selected since factory reset has been
// canceled.
sAppTask.mFunction = kFunction_NoneSelected;
ESP_LOGI(TAG, "Factory Reset has been Canceled");
}
}
}
void AppTask::CancelTimer()
{
if (xTimerStop(sFunctionTimer, 0) == pdFAIL)
{
ESP_LOGI(TAG, "app timer stop() failed");
return;
}
mFunctionTimerActive = false;
}
void AppTask::StartTimer(uint32_t aTimeoutInMs)
{
if (xTimerIsTimerActive(sFunctionTimer))
{
ESP_LOGI(TAG, "app timer already started!");
CancelTimer();
}
// timer is not active, change its period to required value (== restart).
// FreeRTOS- Block for a maximum of 100 ticks if the change period command
// cannot immediately be sent to the timer command queue.
if (xTimerChangePeriod(sFunctionTimer, aTimeoutInMs / portTICK_PERIOD_MS, 100) != pdPASS)
{
ESP_LOGI(TAG, "app timer start() failed");
return;
}
mFunctionTimerActive = true;
}
void AppTask::ActionInitiated(BoltLockManager::Action_t aAction, int32_t aActor)
{
// If the action has been initiated by the lock, update the bolt lock trait
// and start flashing the LEDs rapidly to indicate action initiation.
if (aAction == BoltLockManager::LOCK_ACTION)
{
ESP_LOGI(TAG, "Lock Action has been initiated");
}
else if (aAction == BoltLockManager::UNLOCK_ACTION)
{
ESP_LOGI(TAG, "Unlock Action has been initiated");
}
if (aActor == AppEvent::kEventType_Button)
{
sAppTask.mSyncClusterToButtonAction = true;
}
sLockLED.Blink(50, 50);
}
void AppTask::ActionCompleted(BoltLockManager::Action_t aAction)
{
// if the action has been completed by the lock, update the bolt lock trait.
// Turn on the lock LED if in a LOCKED state OR
// Turn off the lock LED if in an UNLOCKED state.
if (aAction == BoltLockManager::LOCK_ACTION)
{
ESP_LOGI(TAG, "Lock Action has been completed");
sLockLED.Set(true);
}
else if (aAction == BoltLockManager::UNLOCK_ACTION)
{
ESP_LOGI(TAG, "Unlock Action has been completed");
sLockLED.Set(false);
}
}
void AppTask::PostLockActionRequest(int32_t aActor, BoltLockManager::Action_t aAction)
{
AppEvent event;
event.mType = AppEvent::kEventType_Lock;
event.mLockEvent.mActor = aActor;
event.mLockEvent.mAction = aAction;
event.mHandler = LockActionEventHandler;
PostEvent(&event);
}
void AppTask::PostEvent(const AppEvent * aEvent)
{
if (sAppEventQueue != NULL)
{
if (!xQueueSend(sAppEventQueue, aEvent, 1))
{
ESP_LOGI(TAG, "Failed to post event to app task event queue");
}
}
}
void AppTask::DispatchEvent(AppEvent * aEvent)
{
if (aEvent->mHandler)
{
aEvent->mHandler(aEvent);
}
else
{
ESP_LOGI(TAG, "Event received with no handler. Dropping event.");
}
}
/* if unlocked then it locked it first*/
void AppTask::UpdateClusterState(chip::System::Layer *, void * context)
{
uint8_t newValue = !BoltLockMgr().IsUnlocked();
// write the new on/off value
EmberAfStatus status = chip::app::Clusters::OnOff::Attributes::OnOff::Set(1, newValue);
if (status != EMBER_ZCL_STATUS_SUCCESS)
{
ESP_LOGI(TAG, "ERR: updating on/off %x", status);
}
}