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101 lines
2.8 KiB
101 lines
2.8 KiB
/*
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* Copyright (C) 2014 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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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 -1; } // stub
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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 turnOffCompassFifo(void);
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int turnOnCompassFifo(void);
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int readSample(long *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 (1); }
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int isYasCompass(void) { return (0); }
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int checkCoilsReset(void) { return(-1); }
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private:
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char sensor_name[200];
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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 *compass_enable;
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char *compass_fifo_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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} compassSysFs;
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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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int compass_fd;
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int64_t mCompassTimestamp;
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InputEventCircularReader mCompassInputReader;
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int64_t mDelay;
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int mEnable;
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char *pathP;
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void processCompassEvent(const input_event *event);
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int inv_init_sysfs_attributes(void);
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};
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/*****************************************************************************/
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#endif // COMPASS_SENSOR_H
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