IGnssDebug.hal field fixes (205881e3) · Commits · e / os / android_hardware_interfaces

gnss/1.0/IGnssDebug.hal

+81 −36

Original line number	Diff line number	Diff line
		@@ -3,30 +3,51 @@ package android.hardware.gnss@1.0;
		/** Extended interface for DEBUG support. */
		interface IGnssDebug {
		enum SatelliteEphemerisType : uint8_t {
		/** no information is known to the gnss hardware, about this satellite */
		UNKNOWN,
		/** this satellite is known to exist */
		KNOWN,
		/** this satellite is not known to exist */
		NONEXISTENT,
		/** Only Almanac (approximate) location known for this satellite */
		/** Ephemeris is known for this satellite. */
		EPHEMERIS,
		/**
		* Ephemeris is not known, but Almanac (approximate location) is known.
		*/
		ALMANAC_ONLY,
		/** Ephemeris is known from demodulating the signal on device */
		/**
		* Both ephemeris & almanac are not known (e.g. during a cold start
		* blind search.)
		*/
		NOT_AVAILABLE
		};

		enum SatelliteEphemerisSource : uint8_t {
		/**
		* The ephemeris (or almanac only) information was demodulated from the
		* signal received on the device
		*/
		DEMODULATED,
		/** Ephemeris has been provided by SUPL */
		/**
		* The ephemeris (or almanac only) information was received from a SUPL
		* server.
		*/
		SUPL_PROVIDED,
		/** Ephemeris has been provided by another server */
		OTHER_SERVER_PROVIDED,
		/**
		* Predicted ephemeris has been provided by a server
		* (e.g. Xtra, Extended Ephemeris, etc...)
		* The ephemeris (or almanac only) information was provided by another
		* server.
		*/
		SERVER_PREDICTED,
		OTHER_SERVER_PROVIDED,
		/**
		* Predicted ephemeris in use, generated locally on the device (e.g. from prior
		* ephemeris)
		* The ephemeris (or almanac only) information was provided by another
		* method, e.g. injected via a local debug tool, from build defaults
		* (e.g. almanac), or is from a satellite
		* with SatelliteEphemerisType::NOT_AVAILABLE.
		*/
		LOCALLY_PREDICTED
		OTHER
		};

		enum SatelliteEphemerisHealth : uint8_t {
		/** The ephemeris is known good. */
		GOOD,
		/** The ephemeris is known bad. */
		BAD,
		/** The ephemeris is unknown to be good or bad. */
		UNKNOWN
		};

		/**
		@@ -45,22 +66,22 @@ interface IGnssDebug {
		double longitudeDegrees;
		/** Altitude above ellipsoid expressed in meters */
		float altitudeMeters;
		/** Represents speed in meters per second. */
		/** Represents horizontal speed in meters per second. */
		float speedMetersPerSec;
		/** Represents heading in degrees. */
		float bearingDegrees;
		/**
		* estimated horizontal accuracy of position expressed in meters, radial,
		* Estimated horizontal accuracy of position expressed in meters, radial,
		* 68% confidence.
		*/
		double horizontalAccuracyMeters;
		/**
		* estimated vertical accuracy of position expressed in meters, with
		* Estimated vertical accuracy of position expressed in meters, with
		* 68% confidence.
		*/
		double verticalAccuracyMeters;
		/**
		* estimated speed accuracy in meters per second with 68% confidence.
		* Estimated speed accuracy in meters per second with 68% confidence.
		*/
		double speedAccuracyMetersPerSecond;
		/**
		@@ -69,26 +90,31 @@ interface IGnssDebug {
		double bearingAccuracyDegrees;
		/**
		* Time duration before this report that this position information was
		* valid.
		* valid. This can, for example, be a previous injected location with
		* an age potentially thousands of seconds old, or
		* extrapolated to the current time (with appropriately increased
		* accuracy estimates), with a (near) zero age.
		*/
		float ageSeconds;
		};

		/**
		* Provides the current best known UTC time estimate.
		* If no fresh information is available, e.g. after a delete all,
		* then whatever the effective defaults are on the device must be
		* provided (e.g. Jan. 1, 2017, with an uncertainty of 5 years) expressed
		* in the specified units.
		*/
		struct TimeDebug {
		/**
		* Validity of the data in the struct.
		* False if current time is unknown.
		*/
		bool valid;
		/**
		* UTC time estimate.
		*/
		/** UTC time estimate. */
		GnssUtcTime timeEstimate;
		/** 68% error estimate in time. */
		float timeUncertaintyNs;
		/**
		* 68% error estimate in local clock drift,
		* in nanoseconds per second (also known as parts per billion - ppb.)
		*/
		float frequencyUncertaintyNsPerSec;
		};

		/**
		@@ -99,14 +125,34 @@ interface IGnssDebug {
		int16_t svid;
		/** Defines the constellation type of the given SV. */
		GnssConstellationType constellation;

		/** Defines the ephemeris type of the satellite. */
		SatelliteEphemerisType ephemerisType;
		/** Defines the ephemeris source of the satellite. */
		SatelliteEphemerisSource ephemerisSource;
		/**
		* Time duration before this report, that the ephemeris source was last
		* updated, e.g. latest demodulation, or latest server download.
		* Set to 0 when ephemerisType is UNKNOWN.
		* Defines whether the satellite is known healthy
		* (safe for use in location calculation.)
		*/
		SatelliteEphemerisHealth ephemerisHealth;
		/**
		* Time duration from this report (current time), minus the
		* effective time of the ephemeris source (e.g. TOE, TOA.)
		* Set to 0 when ephemerisType is NOT_AVAILABLE.
		*/
		float ephemerisAgeSeconds;

		/**
		* True if a server has provided a predicted orbit (& clock) for
		* this satellite.
		*/
		bool serverPredictionIsAvailable;
		/**
		* Time duration from this report (current time) minus the time of the
		* start of the server predicted information. For example, a 1 day
		* old prediction would be reported as 86400 seconds here.
		*/
		float serverPredictionAgeSeconds;
		};

		/**
		@@ -119,12 +165,11 @@ interface IGnssDebug {
		/** Current best know time estimate */
		TimeDebug time;
		/**
		* Provides a list of the decoded satellite ephemeris.
		* Must provide a complete list for all constellations device can track,
		* Provides a list of the available satellite data, for all
		* satellites and constellations the device can track,
		* including GnssConstellationType UNKNOWN.
		*/
		vec<SatelliteData> satelliteDataArray;

		};

		/**