| /* |
| * 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. |
| */ |
| |
| #pragma once |
| |
| #include <cstddef> |
| #include <cstdint> |
| #include <set> |
| |
| class PwmBackend |
| { |
| public: |
| virtual bool linkHW() = 0; |
| |
| virtual void setPwmHW(size_t pwm, bool state) = 0; |
| virtual void setPwmHW(size_t pwm, uint32_t permille) = 0; |
| virtual void setPwmHWBlink(size_t pwm, size_t onMs, size_t offMs) = 0; |
| virtual void setPwmHWBreath(size_t pwm, size_t onMs) = 0; |
| }; |
| |
| class PwmManager |
| { |
| public: |
| enum EAppPwm |
| { |
| EAppPwm_Indication = 0, |
| EAppPwm_Red, |
| EAppPwm_Green, |
| EAppPwm_Blue, |
| }; |
| |
| static PwmManager & getInstance(); |
| |
| void setPwm(EAppPwm appPwm, bool state); |
| void setPwm(EAppPwm appPwm, uint32_t permille); |
| void setPwmBlink(EAppPwm appPwm, size_t onMs, size_t offMs); |
| void setPwmBreath(EAppPwm appPwm, size_t BrathMs); |
| |
| void linkPwm(EAppPwm appPwm, size_t pwm); |
| void unlinkPwm(EAppPwm appPwm); |
| void unlinkPwm(size_t pwm); |
| void linkBackend(PwmBackend & backend); |
| |
| PwmManager(PwmManager const &) = delete; |
| void operator=(PwmManager const &) = delete; |
| |
| private: |
| struct PwmLink |
| { |
| enum EAppPwm appPwm; |
| size_t pwm; |
| |
| friend bool operator<(const PwmLink & lhs, const PwmLink & rhs) |
| { |
| if (lhs.appPwm < rhs.appPwm) |
| { |
| return true; |
| } |
| else if (lhs.appPwm > rhs.appPwm) |
| { |
| return false; |
| } |
| else if (lhs.pwm < rhs.pwm) |
| { |
| return true; |
| } |
| else |
| { |
| return false; |
| } |
| } |
| friend bool operator>(const PwmLink & lhs, const PwmLink & rhs) |
| { |
| if (lhs.appPwm > rhs.appPwm) |
| { |
| return true; |
| } |
| else if (lhs.appPwm < rhs.appPwm) |
| { |
| return false; |
| } |
| else if (lhs.pwm > rhs.pwm) |
| { |
| return true; |
| } |
| else |
| { |
| return false; |
| } |
| } |
| }; |
| |
| PwmManager(); |
| |
| std::set<PwmLink> m_pwms; |
| PwmBackend * m_backend; |
| }; |
| |
| #if CONFIG_WS2812_STRIP |
| |
| class Ws2812Strip : public PwmBackend |
| { |
| public: |
| static Ws2812Strip & getInstance(); |
| bool linkHW(); |
| |
| void setPwmHW(size_t pwm, bool state); |
| void setPwmHW(size_t pwm, uint32_t permille); |
| void setPwmHWBlink(size_t pwm, size_t onMs, size_t offMs); |
| void setPwmHWBreath(size_t pwm, size_t breathMs); |
| |
| Ws2812Strip(Ws2812Strip const &) = delete; |
| void operator=(Ws2812Strip const &) = delete; |
| |
| private: |
| Ws2812Strip(){}; |
| }; |
| |
| #else |
| |
| class PwmPool : public PwmBackend |
| { |
| public: |
| static PwmPool & getInstance(); |
| bool linkHW(); |
| |
| void setPwmHW(size_t pwm, bool state); |
| void setPwmHW(size_t pwm, uint32_t permille); |
| void setPwmHWBlink(size_t pwm, size_t onMs, size_t offMs); |
| void setPwmHWBreath(size_t pwm, size_t breathMs); |
| |
| PwmPool(PwmPool const &) = delete; |
| void operator=(PwmPool const &) = delete; |
| |
| private: |
| PwmPool(){}; |
| }; |
| |
| #endif // CONFIG_WS2812_STRIP |