sensor HAL v3 (db49a411) · Commits · e / os / android_hardware_interfaces

Android.bp

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		@@ -16,6 +16,8 @@ subdirs = [
		"power/1.0",
		"power/1.0/default",
		"radio/1.0",
		"sensors/1.0",
		"sensors/1.0/default",
		"soundtrigger/2.0",
		"tests/bar/1.0",
		"tests/baz/1.0",

sensors/1.0/Android.bp

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		// This file is autogenerated by hidl-gen. Do not edit manually.

		genrule {
		name: "android.hardware.sensors@1.0_genc++",
		tool: "hidl-gen",
		cmd: "$tool -o $genDir -Lc++ -randroid.hardware:hardware/interfaces android.hardware.sensors@1.0",
		srcs: [
		"types.hal",
		"ISensors.hal",
		],
		out: [
		"android/hardware/sensors/1.0/types.cpp",
		"android/hardware/sensors/1.0/SensorsAll.cpp",
		],
		}

		genrule {
		name: "android.hardware.sensors@1.0_genc++_headers",
		tool: "hidl-gen",
		cmd: "$tool -o $genDir -Lc++ -randroid.hardware:hardware/interfaces android.hardware.sensors@1.0",
		srcs: [
		"types.hal",
		"ISensors.hal",
		],
		out: [
		"android/hardware/sensors/1.0/types.h",
		"android/hardware/sensors/1.0/ISensors.h",
		"android/hardware/sensors/1.0/IHwSensors.h",
		"android/hardware/sensors/1.0/BnSensors.h",
		"android/hardware/sensors/1.0/BpSensors.h",
		"android/hardware/sensors/1.0/BsSensors.h",
		],
		}

		cc_library_shared {
		name: "android.hardware.sensors@1.0",
		generated_sources: ["android.hardware.sensors@1.0_genc++"],
		generated_headers: ["android.hardware.sensors@1.0_genc++_headers"],
		export_generated_headers: ["android.hardware.sensors@1.0_genc++_headers"],
		shared_libs: [
		"libhidl",
		"libhwbinder",
		"libutils",
		"libcutils",
		],
		}

sensors/1.0/ISensors.hal

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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.sensors@1.0;

		interface ISensors {
		/**
		* Enumerate all available (static) sensors.
		*/
		getSensorsList() generates (vec<SensorInfo> list);

		/**
		* Place the module in a specific mode. The following modes are defined
		*
		* SENSOR_HAL_NORMAL_MODE - Normal operation. Default state of the module.
		*
		* SENSOR_HAL_DATA_INJECTION_MODE - Loopback mode.
		* Data is injected for the supported sensors by the sensor service in
		* this mode.
		*
		* @return OK on success
		* BAD_VALUE if requested mode is not supported
		* PERMISSION_DENIED if operation is not allowed
		*/
		setOperationMode(OperationMode mode) generates (Result result);

		/* Activate/de-activate one sensor.
		*
		* sensorHandle is the handle of the sensor to change.
		* enabled set to true to enable, or false to disable the sensor.
		*
		* After sensor de-activation, existing sensor events that have not
		* been picked up by poll() should be abandoned immediately so that
		* subsequent activation will not get stale sensor events (events
		* that are generated prior to the latter activation).
		*
		* Returns OK on success, BAD_VALUE if sensorHandle is invalid.
		*/
		activate(int32_t sensorHandle, bool enabled) generates (Result result);

		/**
		* Set the sampling period in nanoseconds for a given sensor.
		* If samplingPeriodNs > maxDelay it will be truncated to
		* maxDelay and if samplingPeriodNs < minDelay it will be
		* replaced by minDelay.
		*
		* Returns OK on success, BAD_VALUE if sensorHandle is invalid.
		*/
		setDelay(int32_t sensorHandle, int64_t samplingPeriodNs)
		generates (Result result);

		/**
		* Generate a vector of sensor events containing at most "maxCount"
		* entries.
		*
		* Additionally a vector of SensorInfos is returned for any dynamic sensors
		* connected as notified by returned events of type DYNAMIC_SENSOR_META.
		*
		* This function should block if there is no sensor event
		* available when being called.
		*
		* Returns OK on success or BAD_VALUE if maxCount <= 0.
		*/
		poll(int32_t maxCount)
		generates (
		Result result,
		vec<Event> data,
		vec<SensorInfo> dynamicSensorsAdded);

		/*
		* Sets a sensor’s parameters, including sampling frequency and maximum
		* report latency. This function can be called while the sensor is
		* activated, in which case it must not cause any sensor measurements to
		* be lost: transitioning from one sampling rate to the other cannot cause
		* lost events, nor can transitioning from a high maximum report latency to
		* a low maximum report latency.
		* See the Batching sensor results page for details:
		* http://source.android.com/devices/sensors/batching.html
		*
		* Returns OK on success, BAD_VALUE if any parameters are invalid.
		*/
		batch(int32_t sensorHandle,
		int32_t flags,
		int64_t samplingPeriodNs,
		int64_t maxReportLatencyNs) generates (Result result);

		/*
		* Flush adds a FLUSH_COMPLETE metadata event to the end of the "batch mode"
		* FIFO for the specified sensor and flushes the FIFO.
		* If the FIFO is empty or if the sensor doesn't support batching
		* (FIFO size zero), it should return SUCCESS along with a trivial
		* FLUSH_COMPLETE event added to the event stream.
		* This applies to all sensors other than one-shot sensors.
		* If the sensor is a one-shot sensor, flush must return BAD_VALUE and not
		* generate any flush complete metadata.
		* If the sensor is not active at the time flush() is called, flush() should
		* return BAD_VALUE.
		* Returns OK on success and BAD_VALUE if sensorHandle is invalid.
		*/
		flush(int32_t sensorHandle) generates (Result result);

		/*
		* Inject a single sensor sample to this device.
		* data points to the sensor event to be injected
		* Returns OK on success
		* PERMISSION_DENIED if operation is not allowed
		* INVALID_OPERATION, if this functionality is unsupported
		* BAD_VALUE if sensor event cannot be injected
		*/
		injectSensorData(Event event) generates (Result result);
		};

sensors/1.0/default/Android.bp

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		cc_library_shared {
		name: "android.hardware.sensors@1.0-impl",
		relative_install_path: "hw",
		srcs: ["Sensors.cpp"],
		shared_libs: [
		"liblog",
		"libcutils",
		"libhardware",
		"libhwbinder",
		"libbase",
		"libcutils",
		"libutils",
		"libhidl",
		"android.hardware.sensors@1.0",
		],
		static_libs: [
		"android.hardware.sensors@1.0-convert",
		],
		}

		cc_library_static {
		name: "android.hardware.sensors@1.0-convert",
		srcs: ["convert.cpp"],
		export_include_dirs: ["include"],
		shared_libs: [
		"liblog",
		"libcutils",
		"libhardware",
		"libhwbinder",
		"libbase",
		"libcutils",
		"libutils",
		"libhidl",
		"android.hardware.sensors@1.0",
		],
		}

sensors/1.0/default/Android.mk

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		LOCAL_PATH:= $(call my-dir)

		include $(CLEAR_VARS)
		LOCAL_MODULE_RELATIVE_PATH := hw
		LOCAL_MODULE := android.hardware.sensors@1.0-service
		LOCAL_INIT_RC := android.hardware.sensors@1.0-service.rc
		LOCAL_SRC_FILES := \
		service.cpp \

		LOCAL_SHARED_LIBRARIES := \
		liblog \
		libcutils \
		libdl \
		libbase \
		libutils \
		libhardware_legacy \
		libhardware \

		LOCAL_SHARED_LIBRARIES += \
		libhwbinder \
		libhidl \
		android.hardware.sensors@1.0 \

		include $(BUILD_EXECUTABLE)