| /* |
| * |
| * Copyright (c) 2022 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 "ContactSensorManager.h" |
| |
| #include "AppConfig.h" |
| #include "AppTask.h" |
| |
| #include <lib/support/CodeUtils.h> |
| |
| #include <zephyr/drivers/pwm.h> |
| #include <zephyr/kernel.h> |
| #include <zephyr/logging/log.h> |
| |
| LOG_MODULE_DECLARE(app, CONFIG_CHIP_APP_LOG_LEVEL); |
| |
| ContactSensorManager ContactSensorManager::sContactSensor; |
| |
| int ContactSensorManager::Init() |
| { |
| int err = 0; |
| |
| mState = State::kContactOpened; |
| mCallbackStateChanged = nullptr; |
| |
| return err; |
| } |
| |
| void ContactSensorManager::SetCallback(CallbackStateChanged aCallbackStateChanged) |
| { |
| mCallbackStateChanged = aCallbackStateChanged; |
| } |
| |
| bool ContactSensorManager::IsContactClosed() |
| { |
| return mState == State::kContactClosed; |
| } |
| |
| void ContactSensorManager::InitiateAction(Action aAction) |
| { |
| AppEvent event; |
| event.Type = AppEvent::kEventType_Contact; |
| event.ContactEvent.Action = static_cast<uint8_t>(aAction); |
| event.Handler = HandleAction; |
| GetAppTask().PostEvent(&event); |
| } |
| |
| void ContactSensorManager::HandleAction(AppEvent * aEvent) |
| { |
| Action action = static_cast<Action>(aEvent->ContactEvent.Action); |
| // Change current state based on action: |
| // - if state is closed and action is signal lost, change state to opened |
| // - if state is opened and action is signal detected, change state to closed |
| // - else, the state/action combination does not change the state. |
| if (sContactSensor.mState == State::kContactClosed && action == Action::kSignalLost) |
| { |
| sContactSensor.mState = State::kContactOpened; |
| } |
| else if (sContactSensor.mState == State::kContactOpened && action == Action::kSignalDetected) |
| { |
| sContactSensor.mState = State::kContactClosed; |
| } |
| |
| if (sContactSensor.mCallbackStateChanged != nullptr) |
| { |
| sContactSensor.mCallbackStateChanged(sContactSensor.mState); |
| } |
| else |
| { |
| LOG_ERR("Callback for state change was not set. Please set an appropriate callback."); |
| } |
| } |