You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
75 lines
2.2 KiB
75 lines
2.2 KiB
6 years ago
|
/*
|
||
|
|
* Copyright (C) 2013 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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef _HARDWARE_VIBRATOR_H
|
||
|
|
#define _HARDWARE_VIBRATOR_H
|
||
|
|
|
||
|
|
#include <hardware/hardware.h>
|
||
|
|
|
||
|
|
__BEGIN_DECLS
|
||
|
|
|
||
|
|
#define VIBRATOR_API_VERSION HARDWARE_MODULE_API_VERSION(1,0)
|
||
|
|
|
||
|
|
/**
|
||
|
|
* The id of this module
|
||
|
|
*/
|
||
|
|
#define VIBRATOR_HARDWARE_MODULE_ID "vibrator"
|
||
|
|
|
||
|
|
/**
|
||
|
|
* The id of the main vibrator device
|
||
|
|
*/
|
||
|
|
#define VIBRATOR_DEVICE_ID_MAIN "main_vibrator"
|
||
|
|
|
||
|
|
struct vibrator_device;
|
||
|
|
typedef struct vibrator_device {
|
||
|
|
/**
|
||
|
|
* Common methods of the vibrator device. This *must* be the first member of
|
||
|
|
* vibrator_device as users of this structure will cast a hw_device_t to
|
||
|
|
* vibrator_device pointer in contexts where it's known the hw_device_t references a
|
||
|
|
* vibrator_device.
|
||
|
|
*/
|
||
|
|
struct hw_device_t common;
|
||
|
|
|
||
|
|
/** Turn on vibrator
|
||
|
|
*
|
||
|
|
* What happens when this function is called while the the timeout of a
|
||
|
|
* previous call has not expired is implementation dependent.
|
||
|
|
*
|
||
|
|
* @param timeout_ms number of milliseconds to vibrate
|
||
|
|
*
|
||
|
|
* @return 0 in case of success, negative errno code else
|
||
|
|
*/
|
||
|
|
int (*vibrator_on)(struct vibrator_device* vibradev, unsigned int timeout_ms);
|
||
|
|
|
||
|
|
/** Turn off vibrator
|
||
|
|
*
|
||
|
|
* It is not guaranteed that the vibrator will be immediately stopped: the
|
||
|
|
* behaviour is implementation dependent.
|
||
|
|
*
|
||
|
|
* @return 0 in case of success, negative errno code else
|
||
|
|
*/
|
||
|
|
int (*vibrator_off)(struct vibrator_device* vibradev);
|
||
|
|
} vibrator_device_t;
|
||
|
|
|
||
|
|
static inline int vibrator_open(const struct hw_module_t* module, vibrator_device_t** device)
|
||
|
|
{
|
||
|
|
return module->methods->open(module, VIBRATOR_DEVICE_ID_MAIN, (struct hw_device_t**)device);
|
||
|
|
}
|
||
|
|
|
||
|
|
__END_DECLS
|
||
|
|
|
||
|
|
#endif // _HARDWARE_VIBRATOR_H
|