| /* |
| * 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. |
| */ |
| |
| #pragma once |
| |
| #include <vector> |
| #include <zephyr/device.h> |
| |
| #define STATE_HIGH 1 |
| #define STATE_LOW 0 |
| |
| class Button |
| { |
| public: |
| void Configure(const struct device * port, gpio_pin_t outPin, gpio_pin_t inPin, void (*callback)(void)); |
| void Poll(Button * previous); |
| void SetCallback(void (*callback)(void)); |
| |
| private: |
| int Init(void); |
| int Deinit(void); |
| |
| const struct device * mPort; |
| gpio_pin_t mOutPin; |
| gpio_pin_t mInPin; |
| int mPreviousState = STATE_LOW; |
| void (*mCallback)(void) = NULL; |
| }; |
| |
| class ButtonManager |
| { |
| public: |
| void Init(void); |
| void Poll(void); |
| void AddButton(Button & button); |
| void SetCallback(unsigned int index, void (*callback)(void)); |
| |
| private: |
| std::vector<Button> mButtons; |
| |
| friend ButtonManager & ButtonManagerInst(void); |
| |
| static ButtonManager sInstance; |
| }; |
| |
| /** |
| * Returns the KeyManager singleton object. |
| */ |
| inline ButtonManager & ButtonManagerInst(void) |
| { |
| return ButtonManager::sInstance; |
| } |