Vibrator: Stable AIDL interface. (d44007e6) · Commits · e / os / android_hardware_interfaces

compatibility_matrices/compatibility_matrix.current.xml

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		@@ -465,6 +465,13 @@
		<instance>default</instance>
		</interface>
		</hal>
		<hal format="aidl" optional="true">
		<name>android.hardware.vibrator</name>
		<interface>
		<name>IVibrator</name>
		<instance>default</instance>
		</interface>
		</hal>
		<hal format="hidl" optional="true">
		<name>android.hardware.vibrator</name>
		<version>1.0-4</version>

vibrator/staidl/Android.bp

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		aidl_interface {
		name: "vintf-vibrator",
		vendor_available: true,
		srcs: [
		"android/hardware/vibrator/*.aidl",
		],
		stability: "vintf",
		backend: {
		java: {
		enabled: false,
		},
		},
		}

vibrator/staidl/android/hardware/vibrator/Effect.aidl

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		/*
		* Copyright (C) 2019 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.vibrator;

		@VintfStability
		@Backing(type="int")
		enum Effect {
		/**
		* A single click effect.
		*
		* This effect should produce a sharp, crisp click sensation.
		*/
		CLICK,
		/**
		* A double click effect.
		*
		* This effect should produce two sequential sharp, crisp click sensations with a minimal
		* amount of time between them.
		*/
		DOUBLE_CLICK,
		/**
		* A tick effect.
		*
		* This effect should produce a soft, short sensation, like the tick of a clock.
		*/
		TICK,
		/**
		* A thud effect.
		*
		* This effect should solid feeling bump, like the depression of a heavy mechanical button.
		*/
		THUD,
		/**
		* A pop effect.
		*
		* A short, quick burst effect.
		*/
		POP,
		/**
		* A heavy click effect.
		*
		* This should produce a sharp striking sensation, like a click but stronger.
		*/
		HEAVY_CLICK,
		/**
		* Ringtone patterns. They may correspond with the device's ringtone audio, or may just be a
		* pattern that can be played as a ringtone with any audio, depending on the device.
		*/
		RINGTONE_1,
		RINGTONE_2,
		RINGTONE_3,
		RINGTONE_4,
		RINGTONE_5,
		RINGTONE_6,
		RINGTONE_7,
		RINGTONE_8,
		RINGTONE_9,
		RINGTONE_10,
		RINGTONE_11,
		RINGTONE_12,
		RINGTONE_13,
		RINGTONE_14,
		RINGTONE_15,
		/**
		* A soft tick effect meant to be played as a texture.
		*
		* A soft, short sensation like the tick of a clock. Unlike regular effects, texture effects
		* are expected to be played multiple times in quick succession, replicating a specific
		* texture to the user as a form of haptic feedback.
		*/
		TEXTURE_TICK,
		}

vibrator/staidl/android/hardware/vibrator/EffectStrength.aidl

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		/*
		* Copyright (C) 2019 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.vibrator;

		@VintfStability
		@Backing(type="byte")
		enum EffectStrength {
		LIGHT,
		MEDIUM,
		STRONG,
		}

vibrator/staidl/android/hardware/vibrator/IVibrator.aidl

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		/*
		* Copyright (C) 2019 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.vibrator;

		import android.hardware.vibrator.IVibratorCallback;
		import android.hardware.vibrator.Effect;
		import android.hardware.vibrator.EffectStrength;

		@VintfStability
		interface IVibrator {
		/**
		* Whether on w/ IVibratorCallback can be used w/ 'on' function
		*/
		const int CAP_ON_CALLBACK = 1 << 0;
		/**
		* Whether on w/ IVibratorCallback can be used w/ 'perform' function
		*/
		const int CAP_PERFORM_CALLBACK = 1 << 1;
		/**
		* Whether setAmplitude is supported.
		*/
		const int CAP_AMPLITUDE_CONTROL = 1 << 2;
		/**
		* Whether setExternalControl is supported.
		*/
		const int CAP_EXTERNAL_CONTROL = 1 << 3;

		/**
		* Determine capabilities of the vibrator HAL (CAP_* values)
		*/
		int getCapabilities();

		/**
		* Turn off vibrator
		*
		* Cancel a previously-started vibration, if any.
		*/
		void off();

		/**
		* Turn on vibrator
		*
		* This function must only be called after the previous timeout has expired or
		* was canceled (through off()).
		* @param timeoutMs number of milliseconds to vibrate.
		* @param callback A callback used to inform Frameworks of state change, if supported.
		*/
		void on(in int timeoutMs, in IVibratorCallback callback);

		/**
		* Fire off a predefined haptic event.
		*
		* @param effect The type of haptic event to trigger.
		* @param strength The intensity of haptic event to trigger.
		* @param callback A callback used to inform Frameworks of state change, if supported.
		* @return The length of time the event is expected to take in
		* milliseconds. This doesn't need to be perfectly accurate, but should be a reasonable
		* approximation.
		*/
		int perform(in Effect effect, in EffectStrength strength, in IVibratorCallback callback);

		/**
		* Sets the motor's vibrational amplitude.
		*
		* Changes the force being produced by the underlying motor.
		*
		* @param amplitude The unitless force setting. Note that this number must
		* be between 1 and 255, inclusive. If the motor does not
		* have exactly 255 steps, it must do it's best to map it
		* onto the number of steps it does have.
		*/
		void setAmplitude(in int amplitude);

		/**
		* Enables/disables control override of vibrator to audio.
		*
		* When this API is set, the vibrator control should be ceded to audio system
		* for haptic audio. While this is enabled, issuing of other commands to control
		* the vibrator is unsupported and the resulting behavior is undefined. Amplitude
		* control may or may not be supported and is reflected in the return value of
		* supportsAmplitudeControl() while this is enabled. When this is disabled, the
		* vibrator should resume to an off state.
		*
		* @param enabled Whether external control should be enabled or disabled.
		*/
		void setExternalControl(in boolean enabled);
		}