Merge changes from topic "heading_api_native" (76dd5dcb) · Commits · e / os / android_frameworks_native

data/etc/android.hardware.sensor.heading.xml

0 → 100644

+20 −0

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		<?xml version="1.0" encoding="utf-8"?>
		<!-- Copyright (C) 2022 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.
		-->

		<!-- Feature for devices with a heading sensor. -->
		<permissions>
		<feature name="android.hardware.sensor.heading" />
		</permissions>

+26 −0

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		@@ -301,6 +301,14 @@ enum {
		* supported and a value of 0 means not supported.
		*/
		ASENSOR_TYPE_GYROSCOPE_LIMITED_AXES_UNCALIBRATED = 41,
		/**
		* {@link ASENSOR_TYPE_HEADING}
		* reporting-mode: continuous
		*
		* A heading sensor measures the direction in which the device is pointing
		* relative to true north in degrees.
		*/
		ASENSOR_TYPE_HEADING = 42,
		};

		/**
		@@ -563,6 +571,23 @@ typedef struct ALimitedAxesImuUncalibratedEvent {
		};
		} ALimitedAxesImuUncalibratedEvent;

		typedef struct AHeadingEvent {
		/**
		* The direction in which the device is pointing relative to true north in
		* degrees. The value must be between 0.0 (inclusive) and 360.0 (exclusive),
		* with 0 indicating north, 90 east, 180 south, and 270 west.
		*/
		float heading;
		/**
		* Accuracy is defined at 68% confidence. In the case where the underlying
		* distribution is assumed Gaussian normal, this would be considered one
		* standard deviation. For example, if the heading returns 60 degrees, and
		* accuracy returns 10 degrees, then there is a 68 percent probability of
		* the true heading being between 50 degrees and 70 degrees.
		*/
		float accuracy;
		} AHeadingEvent;

		/**
		* Information that describes a sensor event, refer to
		* <a href="/reference/android/hardware/SensorEvent">SensorEvent</a> for additional
		@@ -602,6 +627,7 @@ typedef struct ASensorEvent {
		AHeadTrackerEvent head_tracker;
		ALimitedAxesImuEvent limited_axes_imu;
		ALimitedAxesImuUncalibratedEvent limited_axes_imu_uncalibrated;
		AHeadingEvent heading;
		};
		union {
		uint64_t data[8];

+4 −0

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		@@ -296,6 +296,10 @@ Sensor::Sensor(struct sensor_t const& hwSensor, const uuid_t& uuid, int halVersi
		mStringType = SENSOR_STRING_TYPE_GYROSCOPE_LIMITED_AXES_UNCALIBRATED;
		mFlags \|= SENSOR_FLAG_CONTINUOUS_MODE;
		break;
		case SENSOR_TYPE_HEADING:
		mStringType = SENSOR_STRING_TYPE_HEADING;
		mFlags \|= SENSOR_FLAG_CONTINUOUS_MODE;
		break;
		default:
		// Only pipe the stringType, requiredPermission and flags for custom sensors.
		if (halVersion > SENSORS_DEVICE_API_VERSION_1_0 && hwSensor.stringType) {

+3 −0

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		@@ -67,6 +67,9 @@ size_t eventSizeBySensorType(int type) {
		case SENSOR_TYPE_HEAD_TRACKER:
		return 7;

		case SENSOR_TYPE_HEADING:
		return 2;

		default:
		return 3;
		}