| /* |
| * 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 <cstdint> |
| #include <zephyr/drivers/gpio.h> |
| #include <zephyr/zephyr.h> |
| |
| class LEDWidget |
| { |
| public: |
| typedef void (*LEDWidgetStateUpdateHandler)(LEDWidget * ledWidget); |
| |
| static void InitGpio(const device * port); |
| static void SetStateUpdateCallback(LEDWidgetStateUpdateHandler stateUpdateCb); |
| const static struct device * mPort; |
| void Init(gpio_pin_t gpioNum); |
| void Set(bool state); |
| void Invert(void); |
| void Blink(uint32_t changeRateMS); |
| void Blink(uint32_t onTimeMS, uint32_t offTimeMS); |
| void UpdateState(); |
| |
| private: |
| uint32_t mBlinkOnTimeMS; |
| uint32_t mBlinkOffTimeMS; |
| gpio_pin_t mGPIONum; |
| bool mState; |
| k_timer mLedTimer; |
| |
| static void LedStateTimerHandler(k_timer * timer); |
| |
| void DoSet(bool state); |
| void ScheduleStateChange(); |
| }; |