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114 lines
3.1 KiB
114 lines
3.1 KiB
/* |
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* Copyright (C) 2012 The Android Open Source Project |
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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 COMPASS_SENSOR_H |
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#define COMPASS_SENSOR_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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// TODO fixme, need input_event |
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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 <poll.h> |
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#include <utils/Vector.h> |
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#include <utils/KeyedVector.h> |
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#include "sensors.h" |
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#include "SensorBase.h" |
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#include "InputEventReader.h" |
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#define MAX_CHIP_ID_LEN (20) |
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#define COMPASS_ON_PRIMARY "in_magn_x_raw" |
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class CompassSensor : public SensorBase { |
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public: |
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CompassSensor(); |
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virtual ~CompassSensor(); |
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virtual int getFd() const; |
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virtual int enable(int32_t handle, int enabled); |
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virtual int setDelay(int32_t handle, int64_t ns); |
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virtual int getEnable(int32_t handle); |
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virtual int64_t getDelay(int32_t handle); |
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virtual int64_t getMinDelay() { return mMinDelay; } |
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// unnecessary for MPL |
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virtual int readEvents(sensors_event_t *data, int count) { return 0; } |
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int readSample(long *data, int64_t *timestamp); |
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int readRawSample(float *data, int64_t *timestamp); |
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int providesCalibration() { return 0; } |
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void getOrientationMatrix(signed char *orient); |
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long getSensitivity(); |
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int getAccuracy() { return 0; } |
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void fillList(struct sensor_t *list); |
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int isIntegrated() { return (0); } |
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int checkCoilsReset(void); |
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int isYasCompass(void); |
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private: |
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enum CompassBus { |
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COMPASS_BUS_PRIMARY = 0, |
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COMPASS_BUS_SECONDARY = 1 |
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} mI2CBus; |
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struct sysfs_attrbs { |
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char *chip_enable; |
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char *in_timestamp_en; |
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char *buffer_length; |
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char *compass_enable; |
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char *compass_x_fifo_enable; |
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char *compass_y_fifo_enable; |
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char *compass_z_fifo_enable; |
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char *compass_rate; |
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char *compass_scale; |
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char *compass_orient; |
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char *compass_attr_1; |
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} compassSysFs; |
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char dev_full_name[20]; |
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// implementation specific |
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signed char mCompassOrientation[9]; |
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long mCachedCompassData[3]; |
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int64_t mCompassTimestamp; |
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InputEventCircularReader mCompassInputReader; |
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int compass_fd; |
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int64_t mDelay; |
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int64_t mMinDelay; |
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int mEnable; |
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char *pathP; |
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char mIIOBuffer[(8 + 8) * IIO_BUFFER_LENGTH]; |
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int masterEnable(int en); |
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void enable_iio_sysfs(void); |
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void processCompassEvent(const input_event *event); |
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int inv_init_sysfs_attributes(void); |
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FILE *mCoilsResetFd; |
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bool mYasCompass; |
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}; |
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/*****************************************************************************/ |
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#endif // COMPASS_SENSOR_H
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