| /* |
| * 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 <cstddef> |
| #include <set> |
| |
| class LedBackend |
| { |
| public: |
| virtual bool linkHW() = 0; |
| virtual void setLedHW(size_t led, bool state) = 0; |
| virtual void setLedHW(size_t led, size_t onMs, size_t offMs) = 0; |
| }; |
| |
| class LedManager |
| { |
| public: |
| enum EAppLed |
| { |
| EAppLed_Status = 0, |
| EAppLed_App0, |
| EAppLed_App1, |
| }; |
| |
| static LedManager & getInstance(); |
| |
| void setLed(EAppLed appLed, bool state); |
| void setLed(EAppLed appLed, size_t onMs, size_t offMs); |
| |
| void linkLed(EAppLed appLed, size_t led); |
| void unlinkLed(EAppLed appLed); |
| void unlinkLed(size_t led); |
| void linkBackend(LedBackend & backend); |
| |
| LedManager(LedManager const &) = delete; |
| void operator=(LedManager const &) = delete; |
| |
| private: |
| struct LedLink |
| { |
| enum EAppLed appLed; |
| size_t led; |
| |
| friend bool operator<(const LedLink & lhs, const LedLink & rhs) |
| { |
| if (lhs.appLed < rhs.appLed) |
| { |
| return true; |
| } |
| else if (lhs.appLed > rhs.appLed) |
| { |
| return false; |
| } |
| else if (lhs.led < rhs.led) |
| { |
| return true; |
| } |
| else |
| { |
| return false; |
| } |
| } |
| friend bool operator>(const LedLink & lhs, const LedLink & rhs) |
| { |
| if (lhs.appLed > rhs.appLed) |
| { |
| return true; |
| } |
| else if (lhs.appLed < rhs.appLed) |
| { |
| return false; |
| } |
| else if (lhs.led > rhs.led) |
| { |
| return true; |
| } |
| else |
| { |
| return false; |
| } |
| } |
| }; |
| |
| LedManager(); |
| |
| std::set<LedLink> m_leds; |
| LedBackend * m_backend; |
| }; |
| |
| class LedPool : public LedBackend |
| { |
| public: |
| static LedPool & getInstance(); |
| bool linkHW(); |
| void setLedHW(size_t led, bool state); |
| void setLedHW(size_t led, size_t onMs, size_t offMs); |
| |
| LedPool(LedPool const &) = delete; |
| void operator=(LedPool const &) = delete; |
| |
| private: |
| LedPool(){}; |
| }; |