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/*
* Copyright (C) 2016 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.
*/
package android.hardware.gnss@1.0;
@export(name="", value_prefix="GNSS_MAX_")
enum GnssMax : uint32_t {
/** Maximum number of SVs for gnssSvStatusCb(). */
SVS_COUNT = 64,
};
/** Milliseconds since January 1, 1970 */
typedef int64_t GnssUtcTime;
/**
* Constellation type of GnssSvInfo
*/
@export(name="", value_prefix="GNSS_CONSTELLATION_")
enum GnssConstellationType : uint8_t {
UNKNOWN = 0,
GPS = 1,
SBAS = 2,
GLONASS = 3,
QZSS = 4,
BEIDOU = 5,
GALILEO = 6,
};
/** Bit mask to indicate which values are valid in a GnssLocation object. */
@export(name="", value_prefix="GPS_LOCATION_")
enum GnssLocationFlags : uint16_t {
/** GnssLocation has valid latitude and longitude. */
HAS_LAT_LONG = 0x0001,
/** GnssLocation has valid altitude. */
HAS_ALTITUDE = 0x0002,
/** GnssLocation has valid speed. */
HAS_SPEED = 0x0004,
/** GnssLocation has valid bearing. */
HAS_BEARING = 0x0008,
/** GpsLocation has valid horizontal accuracy. */
HAS_HORIZONTAL_ACCURACY = 0x0010,
/** GpsLocation has valid vertical accuracy. */
HAS_VERTICAL_ACCURACY = 0x0020,
/** GpsLocation has valid speed accuracy. */
HAS_SPEED_ACCURACY = 0x0040,
/** GpsLocation has valid bearing accuracy. */
HAS_BEARING_ACCURACY = 0x0080
};
/** Represents a location. */
struct GnssLocation {
/** Contains GnssLocationFlags bits. */
bitfield<GnssLocationFlags> gnssLocationFlags;
/** Represents latitude in degrees. */
double latitudeDegrees;
/** Represents longitude in degrees. */
double longitudeDegrees;
/**
* Represents altitude in meters above the WGS 84 reference ellipsoid.
*/
double altitudeMeters;
/** Represents speed in meters per second. */
float speedMetersPerSec;
/** Represents heading in degrees. */
float bearingDegrees;
/**
* Represents expected horizontal position accuracy, radial, in meters
* (68% confidence).
*/
float horizontalAccuracyMeters;
/**
* Represents expected vertical position accuracy in meters
* (68% confidence).
*/
float verticalAccuracyMeters;
/**
* Represents expected speed accuracy in meter per seconds
* (68% confidence).
*/
float speedAccuracyMetersPerSecond;
/**
* Represents expected bearing accuracy in degrees
* (68% confidence).
*/
float bearingAccuracyDegrees;
/** Timestamp for the location fix. */
GnssUtcTime timestamp;
};
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