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Diffstat (limited to 'tilt/InputEventReader.h')
-rw-r--r-- | tilt/InputEventReader.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/tilt/InputEventReader.h b/tilt/InputEventReader.h new file mode 100644 index 0000000..6e4350b --- /dev/null +++ b/tilt/InputEventReader.h @@ -0,0 +1,46 @@ +/* + * Copyright (C) 2015 Intel Corp + * + * 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. + */ + +#ifndef ANDROID_INPUT_EVENT_READER_H +#define ANDROID_INPUT_EVENT_READER_H + +#include <stdint.h> +#include <errno.h> +#include <sys/cdefs.h> +#include <sys/types.h> + +#include "SensorBase.h" + + +struct input_event; + +class InputEventCircularReader +{ + struct input_event* const mBuffer; + struct input_event* const mBufferEnd; + struct input_event* mHead; + struct input_event* mCurr; + ssize_t mFreeSpace; + int mLastFd; + +public: + InputEventCircularReader(size_t numEvents); + ~InputEventCircularReader(); + ssize_t fill(int fd); + ssize_t readEvent(input_event const** events); + void next(); +}; +#endif // ANDROID_INPUT_EVENT_READER_H |