kernel_liteos_a1/kernel/base/include/los_swtmr_pri.h

115 lines
3.8 KiB
C

/*
* 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.
*/
#ifndef _LOS_SWTMR_PRI_H
#define _LOS_SWTMR_PRI_H
#include "los_swtmr.h"
#include "los_spinlock.h"
#ifdef LOSCFG_SECURITY_VID
#include "vid_api.h"
#else
#define MAX_INVALID_TIMER_VID OS_SWTMR_MAX_TIMERID
#endif
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
/**
* @ingroup los_swtmr_pri
* Software timer state
*/
enum SwtmrState {
OS_SWTMR_STATUS_UNUSED, /**< The software timer is not used. */
OS_SWTMR_STATUS_CREATED, /**< The software timer is created. */
OS_SWTMR_STATUS_TICKING /**< The software timer is timing. */
};
/**
* @ingroup los_swtmr_pri
* Structure of the callback function that handles software timer timeout
*/
typedef struct {
SWTMR_PROC_FUNC handler; /**< Callback function that handles software timer timeout */
UINTPTR arg; /**< Parameter passed in when the callback function
that handles software timer timeout is called */
} SwtmrHandlerItem;
/**
* @ingroup los_swtmr_pri
* Type of the pointer to the structure of the callback function that handles software timer timeout
*/
typedef SwtmrHandlerItem *SwtmrHandlerItemPtr;
extern SWTMR_CTRL_S *g_swtmrCBArray;
extern SortLinkAttribute g_swtmrSortLink; /* The software timer count list */
#define OS_SWT_FROM_SID(swtmrID) ((SWTMR_CTRL_S *)g_swtmrCBArray + ((swtmrID) % LOSCFG_BASE_CORE_SWTMR_LIMIT))
/**
* @ingroup los_swtmr_pri
* @brief Scan a software timer.
*
* @par Description:
* <ul>
* <li>This API is used to scan a software timer when a Tick interrupt occurs and determine whether
* the software timer expires.</li>
* </ul>
* @attention
* <ul>
* <li>None.</li>
* </ul>
*
* @param None.
*
* @retval None.
* @par Dependency:
* <ul><li>los_swtmr_pri.h: the header file that contains the API declaration.</li></ul>
* @see LOS_SwtmrStop
*/
extern VOID OsSwtmrScan(VOID);
extern UINT32 OsSwtmrInit(VOID);
extern VOID OsSwtmrTask(VOID);
extern VOID OsSwtmrRecycle(UINT32 processID);
extern SPIN_LOCK_S g_swtmrSpin;
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif /* _LOS_SWTMR_PRI_H */