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drivers_framework/include/osal/osal_timer.h
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2020-09-08 10:21:38 +08:00

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/*
* Copyright (c) 2013-2019, Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020, Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* @addtogroup OSAL
* @{
*
* @brief Defines the structures and interfaces for the Operating System Abstraction Layer (OSAL) module.
*
* The OSAL module harmonizes OS interface differences and provides unified OS interfaces externally,
* including the memory management, thread, mutex, spinlock, semaphore, timer, file, interrupt, time,
* atomic, firmware, and I/O operation modules.
*
* @since 1.0
* @version 1.0
*/
/**
* @file osal_timer.h
*
* @brief Declares timer types and interfaces.
*
* @since 1.0
* @version 1.0
*/
#ifndef OSAL_TIMER_H
#define OSAL_TIMER_H
#include "hdf_base.h"
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/**
* @brief Describes a timer.
*/
typedef struct {
void *realTimer; /**< Pointer to a timer object */
} OsalTimer;
/**
* @brief Describes a timer execution function type.
*/
typedef void (*OsalTimerFunc)(uintptr_t arg);
/**
* @brief Defines a timer macro.
*/
#define OSAL_DECLARE_TIMER(timer) OsalTimer timer
/**
* @brief Creates a timer.
*
* @param timer Indicates the pointer to the timer {@link OsalTimer}.
* @param interval Indicates the timer interval.
* @param func Indicates the timer execution function {@link OsalTimerFunc}.
* @param arg Indicates the argument passed to the timer execution function.
*
* @return Returns a value listed below: \n
* HDF_STATUS | Description
* ----------------------| -----------------------
* HDF_SUCCESS | The operation is successful.
* HDF_FAILURE | Failed to invoke the system function.
* HDF_ERR_INVALID_PARAM | Invalid parameter.
* HDF_ERR_MALLOC_FAIL | Memory allocation fails.
*
* @since 1.0
* @version 1.0
*/
int32_t OsalTimerCreate(OsalTimer *timer, uint32_t interval, OsalTimerFunc func, uintptr_t arg);
/**
* @brief Deletes a timer.
*
* @param timer Indicates the pointer to the timer {@link OsalTimer}.
*
* @return Returns a value listed below: \n
* HDF_STATUS | Description
* ----------------------| -----------------------
* HDF_SUCCESS | The operation is successful.
* HDF_FAILURE | Failed to invoke the system function to delete the timer.
* HDF_ERR_INVALID_PARAM | Invalid parameter.
*
* @since 1.0
* @version 1.0
*/
int32_t OsalTimerDelete(OsalTimer *timer);
/**
* @brief Starts a timer.
*
* @param timer Indicates the pointer to the timer {@link OsalTimer}.
*
* @return Returns a value listed below: \n
* HDF_STATUS | Description
* ----------------------| -----------------------
* HDF_SUCCESS | The operation is successful.
* HDF_FAILURE | Failed to invoke the system function to start the timer.
* HDF_ERR_INVALID_PARAM | Invalid parameter.
*
* @since 1.0
* @version 1.0
*/
int32_t OsalTimerStartOnce(OsalTimer *timer);
/**
* @brief Starts a periodic timer.
*
* @param timer Indicates the pointer to the timer {@link OsalTimer}.
* @param interval Indicates the timer interval, in milliseconds.
*
* @return Returns a value listed below: \n
* HDF_STATUS | Description
* ----------------------| -----------------------
* HDF_SUCCESS | The operation is successful.
* HDF_FAILURE | Failed to invoke the system function to start the timer.
* HDF_ERR_INVALID_PARAM | Invalid parameter.
*
* @since 1.0
* @version 1.0
*/
int32_t OsalTimerStartLoop(OsalTimer *timer);
/**
* @brief Sets the interval of a timer.
*
* @param timer Indicates the pointer to the timer {@link OsalTimer}.
* @param interval Indicates the timer interval, in milliseconds.
*
* @return Returns a value listed below: \n
* HDF_STATUS | Description
* ----------------------| -----------------------
* HDF_SUCCESS | The operation is successful.
* HDF_FAILURE | Failed to invoke the system function.
* HDF_ERR_INVALID_PARAM | Invalid parameter.
*
* @since 1.0
* @version 1.0
*/
int32_t OsalTimerSetTimeout(OsalTimer *timer, uint32_t interval);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* OSAL_TIMER_H */
/** @} */