Imported more library files

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inc/LEDWidget.h

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+/*
+ *
+ *    Copyright (c) 2020 Project CHIP Authors
+ *    Copyright (c) 2019 Google LLC.
+ *    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 <stdint.h>
+
+class LEDWidget
+{
+public:
+    static void InitGpio(void);
+    void Init(uint8_t led);
+    void Set(bool state);
+    void Invert(void);
+    void Blink(uint32_t changeRateMS);
+    void Blink(uint32_t onTimeMS, uint32_t offTimeMS);
+    void Animate();
+
+private:
+    uint64_t mLastChangeTimeMS;
+    uint32_t mBlinkOnTimeMS;
+    uint32_t mBlinkOffTimeMS;
+    uint8_t mLed;
+    bool mLedStatus;
+};