diff options
Diffstat (limited to 'libsensors_iio/InputEventReader.h')
-rw-r--r-- | libsensors_iio/InputEventReader.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/libsensors_iio/InputEventReader.h b/libsensors_iio/InputEventReader.h new file mode 100644 index 0000000..11c4e73 --- /dev/null +++ b/libsensors_iio/InputEventReader.h @@ -0,0 +1,47 @@ +/*
+* Copyright (C) 2012 Invensense, Inc.
+*
+* 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> + +/*****************************************************************************/ + +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; + +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 |