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50 lines
1.4 KiB
50 lines
1.4 KiB
/* |
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* Copyright (C) 2012 Invensense, Inc. |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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#ifndef ANDROID_INPUT_EVENT_READER_H |
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#define ANDROID_INPUT_EVENT_READER_H |
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#include <stdint.h> |
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#include <errno.h> |
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#include <sys/cdefs.h> |
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#include <sys/types.h> |
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#include "SensorBase.h" |
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/*****************************************************************************/ |
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struct input_event; |
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class InputEventCircularReader |
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{ |
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struct input_event* const mBuffer; |
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struct input_event* const mBufferEnd; |
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struct input_event* mHead; |
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struct input_event* mCurr; |
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ssize_t mFreeSpace; |
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int mLastFd; |
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public: |
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InputEventCircularReader(size_t numEvents); |
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~InputEventCircularReader(); |
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ssize_t fill(int fd); |
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ssize_t readEvent(input_event const** events); |
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void next(); |
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}; |
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/*****************************************************************************/ |
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#endif // ANDROID_INPUT_EVENT_READER_H
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