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author | Andrew Dodd <atd7@cornell.edu> | 2012-07-30 18:44:58 -0400 |
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committer | Andrew Dodd <atd7@cornell.edu> | 2012-08-15 23:11:21 -0400 |
commit | 2d09c07225eb44e8371563bca98217885d7cd7c7 (patch) | |
tree | 6d73980538491eb91d43a34f8040df7ec2751685 /libsensors/PressureSensor.h | |
parent | 90779d4af0d22c12ca3502b9e6a126d5db8d9e9a (diff) | |
download | device_samsung_n7000-2d09c07225eb44e8371563bca98217885d7cd7c7.zip device_samsung_n7000-2d09c07225eb44e8371563bca98217885d7cd7c7.tar.gz device_samsung_n7000-2d09c07225eb44e8371563bca98217885d7cd7c7.tar.bz2 |
n7000: Add pressure sensor to libsensors
Pressure sensor driver pulled from tuna
Change-Id: I4da058a1c779f4ab73bc8c03fcf1ff836ed105f6
Diffstat (limited to 'libsensors/PressureSensor.h')
-rw-r--r-- | libsensors/PressureSensor.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/libsensors/PressureSensor.h b/libsensors/PressureSensor.h new file mode 100644 index 0000000..ddaaee2 --- /dev/null +++ b/libsensors/PressureSensor.h @@ -0,0 +1,54 @@ +/* + * Copyright (C) 2008 The Android Open Source Project + * + * 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_PRESSURE_SENSOR_H +#define ANDROID_PRESSURE_SENSOR_H + +#include <stdint.h> +#include <errno.h> +#include <sys/cdefs.h> +#include <sys/types.h> + +#include "sensors.h" +#include "SensorBase.h" +#include "InputEventReader.h" + +/*****************************************************************************/ + +struct input_event; + +class PressureSensor : public SensorBase { + int mEnabled; + InputEventCircularReader mInputReader; + sensors_event_t mPendingEvent; + bool mHasPendingEvent; + char input_sysfs_path[PATH_MAX]; + int input_sysfs_path_len; + + int setInitialState(); + float indexToValue(size_t index) const; + +public: + PressureSensor(); + virtual ~PressureSensor(); + virtual int readEvents(sensors_event_t* data, int count); + virtual bool hasPendingEvents() const; + virtual int enable(int32_t handle, int enabled); +}; + +/*****************************************************************************/ + +#endif // ANDROID_PRESSURE_SENSOR_H |