You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
115 lines
3.1 KiB
115 lines
3.1 KiB
4 months ago
|
/*
|
||
|
|
* Copyright (C) 2014 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 COMPASS_SENSOR_H
|
||
|
|
#define COMPASS_SENSOR_H
|
||
|
|
|
||
|
|
#include <stdint.h>
|
||
|
|
#include <errno.h>
|
||
|
|
#include <sys/cdefs.h>
|
||
|
|
#include <sys/types.h>
|
||
|
|
|
||
|
|
// TODO fixme, need input_event
|
||
|
|
#include <stdint.h>
|
||
|
|
#include <errno.h>
|
||
|
|
#include <sys/cdefs.h>
|
||
|
|
#include <sys/types.h>
|
||
|
|
#include <poll.h>
|
||
|
|
#include <utils/Vector.h>
|
||
|
|
#include <utils/KeyedVector.h>
|
||
|
|
|
||
|
|
#include "sensors.h"
|
||
|
|
#include "SensorBase.h"
|
||
|
|
#include "InputEventReader.h"
|
||
|
|
|
||
|
|
#define MAX_CHIP_ID_LEN (20)
|
||
|
|
#define COMPASS_ON_PRIMARY "in_magn_x_raw"
|
||
|
|
|
||
|
|
class CompassSensor : public SensorBase {
|
||
|
|
|
||
|
|
public:
|
||
|
|
CompassSensor();
|
||
|
|
virtual ~CompassSensor();
|
||
|
|
|
||
|
|
virtual int getFd() const;
|
||
|
|
virtual int enable(int32_t handle, int enabled);
|
||
|
|
virtual int setDelay(int32_t handle, int64_t ns);
|
||
|
|
virtual int getEnable(int32_t handle);
|
||
|
|
virtual int64_t getDelay(int32_t handle);
|
||
|
|
virtual int64_t getMinDelay() { return mMinDelay; }
|
||
|
|
|
||
|
|
// unnecessary for MPL
|
||
|
|
virtual int readEvents(sensors_event_t *data, int count) { return 0; }
|
||
|
|
|
||
|
|
int readSample(long *data, int64_t *timestamp);
|
||
|
|
int readRawSample(float *data, int64_t *timestamp);
|
||
|
|
int providesCalibration() { return 0; }
|
||
|
|
void getOrientationMatrix(signed char *orient);
|
||
|
|
long getSensitivity();
|
||
|
|
int getAccuracy() { return 0; }
|
||
|
|
void fillList(struct sensor_t *list);
|
||
|
|
int isIntegrated() { return (0); }
|
||
|
|
int checkCoilsReset(void);
|
||
|
|
int isYasCompass(void);
|
||
|
|
|
||
|
|
private:
|
||
|
|
enum CompassBus {
|
||
|
|
COMPASS_BUS_PRIMARY = 0,
|
||
|
|
COMPASS_BUS_SECONDARY = 1
|
||
|
|
} mI2CBus;
|
||
|
|
|
||
|
|
struct sysfs_attrbs {
|
||
|
|
char *chip_enable;
|
||
|
|
char *in_timestamp_en;
|
||
|
|
char *buffer_length;
|
||
|
|
|
||
|
|
char *compass_enable;
|
||
|
|
char *compass_x_fifo_enable;
|
||
|
|
char *compass_y_fifo_enable;
|
||
|
|
char *compass_z_fifo_enable;
|
||
|
|
char *compass_rate;
|
||
|
|
char *compass_scale;
|
||
|
|
char *compass_orient;
|
||
|
|
char *compass_attr_1;
|
||
|
|
} compassSysFs;
|
||
|
|
|
||
|
|
char dev_full_name[20];
|
||
|
|
|
||
|
|
// implementation specific
|
||
|
|
signed char mCompassOrientation[9];
|
||
|
|
long mCachedCompassData[3];
|
||
|
|
int64_t mCompassTimestamp;
|
||
|
|
InputEventCircularReader mCompassInputReader;
|
||
|
|
int compass_fd;
|
||
|
|
int64_t mDelay;
|
||
|
|
int64_t mMinDelay;
|
||
|
|
int mEnable;
|
||
|
|
char *pathP;
|
||
|
|
|
||
|
|
char mIIOBuffer[(8 + 8) * IIO_BUFFER_LENGTH];
|
||
|
|
|
||
|
|
int masterEnable(int en);
|
||
|
|
void enable_iio_sysfs(void);
|
||
|
|
void processCompassEvent(const input_event *event);
|
||
|
|
int inv_init_sysfs_attributes(void);
|
||
|
|
FILE *mCoilsResetFd;
|
||
|
|
bool mYasCompass;
|
||
|
|
};
|
||
|
|
|
||
|
|
/*****************************************************************************/
|
||
|
|
|
||
|
|
#endif // COMPASS_SENSOR_H
|