| /* |
| * |
| * Copyright (c) 2022 Google LLC. |
| * 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. |
| */ |
| |
| #pragma once |
| |
| #include <stdbool.h> |
| #include <stdint.h> |
| |
| #include "AppEvent.h" |
| |
| #include "FreeRTOS.h" |
| #include "timers.h" // provides FreeRTOS timer support |
| |
| class ContactSensorManager |
| { |
| public: |
| enum class Action : uint8_t |
| { |
| kSignalDetected = 0, |
| kSignalLost, |
| kInvalid |
| }; |
| |
| enum class State : uint8_t |
| { |
| kContactClosed = 0, |
| kContactOpened, |
| kInvalid |
| }; |
| |
| int Init(); |
| bool IsContactClosed(); |
| void InitiateAction(Action aAction); |
| |
| typedef void (*CallbackStateChanged)(State aState); |
| void SetCallback(CallbackStateChanged aCallbackStateChanged); |
| |
| static void HandleAction(void * aGenericEvent); |
| |
| private: |
| friend ContactSensorManager & ContactSensorMgr(void); |
| State mState; |
| CallbackStateChanged mCallbackStateChanged; |
| static ContactSensorManager sContactSensor; |
| }; |
| |
| inline ContactSensorManager & ContactSensorMgr(void) |
| { |
| return ContactSensorManager::sContactSensor; |
| } |