426 lines
15 KiB
C
426 lines
15 KiB
C
/*
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* Copyright (c) 2013-2019, Huawei Technologies Co., Ltd. All rights reserved.
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* Copyright (c) 2020, Huawei Device Co., Ltd. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this list of
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* conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice, this list
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* of conditions and the following disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* @defgroup los_swtmr Software timer
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* @ingroup kernel
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*/
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#ifndef _LOS_SWTMR_H
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#define _LOS_SWTMR_H
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#include "los_base.h"
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#include "los_task.h"
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#include "los_sortlink_pri.h"
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#ifdef __cplusplus
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#if __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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#endif /* __cplusplus */
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/**
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* @ingroup los_swtmr
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* Software timer error code: The timeout handling function is NULL.
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*
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* Value: 0x02000300
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*
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* Solution: Define the timeout handling function.
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*/
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#define LOS_ERRNO_SWTMR_PTR_NULL LOS_ERRNO_OS_ERROR(LOS_MOD_SWTMR, 0x00)
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/**
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* @ingroup los_swtmr
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* Software timer error code: The expiration time is 0.
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*
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* Value: 0x02000301
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*
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* Solution: Re-define the expiration time.
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*/
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#define LOS_ERRNO_SWTMR_INTERVAL_NOT_SUITED LOS_ERRNO_OS_ERROR(LOS_MOD_SWTMR, 0x01)
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/**
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* @ingroup los_swtmr
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* Software timer error code: Invalid software timer mode.
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*
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* Value: 0x02000302
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*
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* Solution: Check the mode value. The value range is [0,3].
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*/
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#define LOS_ERRNO_SWTMR_MODE_INVALID LOS_ERRNO_OS_ERROR(LOS_MOD_SWTMR, 0x02)
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/**
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* @ingroup los_swtmr
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* Software timer error code: The passed-in software timer ID is NULL.
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*
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* Value: 0x02000303
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*
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* Solution: Define the software timer ID before passing it in.
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*/
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#define LOS_ERRNO_SWTMR_RET_PTR_NULL LOS_ERRNO_OS_ERROR(LOS_MOD_SWTMR, 0x03)
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/**
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* @ingroup los_swtmr
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* Software timer error code: The number of software timers exceeds the configured permitted maximum number.
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*
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* Value: 0x02000304
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*
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* Solution: Re-configure the permitted maximum number of software timers, or wait for a software timer to become
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* available.
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*/
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#define LOS_ERRNO_SWTMR_MAXSIZE LOS_ERRNO_OS_ERROR(LOS_MOD_SWTMR, 0x04)
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/**
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* @ingroup los_swtmr
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* Software timer error code: Invalid software timer ID.
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*
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* Value: 0x02000305
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*
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* Solution: Pass in a valid software timer ID.
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*/
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#define LOS_ERRNO_SWTMR_ID_INVALID LOS_ERRNO_OS_ERROR(LOS_MOD_SWTMR, 0x05)
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/**
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* @ingroup los_swtmr
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* Software timer error code: The software timer is not created.
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*
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* Value: 0x02000306
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*
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* Solution: Create a software timer.
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*/
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#define LOS_ERRNO_SWTMR_NOT_CREATED LOS_ERRNO_OS_ERROR(LOS_MOD_SWTMR, 0x06)
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/**
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* @ingroup los_swtmr
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* Software timer error code: Insufficient memory for software timer linked list creation.
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*
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* Value: 0x02000307
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*
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* Solution: Allocate bigger memory partition to software timer linked list creation.
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*/
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#define LOS_ERRNO_SWTMR_NO_MEMORY LOS_ERRNO_OS_ERROR(LOS_MOD_SWTMR, 0x07)
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/**
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* @ingroup los_swtmr
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* Software timer error code: Invalid configured number of software timers.
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*
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* Value: 0x02000308
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*
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* Solution: Re-configure the number of software timers.
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*/
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#define LOS_ERRNO_SWTMR_MAXSIZE_INVALID LOS_ERRNO_OS_ERROR(LOS_MOD_SWTMR, 0x08)
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/**
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* @ingroup los_swtmr
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* Software timer error code: The software timer is being used during an interrupt.
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*
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* Value: 0x02000309
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*
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* Solution: Change the source code and do not use the software timer during an interrupt.
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*/
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#define LOS_ERRNO_SWTMR_HWI_ACTIVE LOS_ERRNO_OS_ERROR(LOS_MOD_SWTMR, 0x09)
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/**
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* @ingroup los_swtmr
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* Software timer error code: Insufficient memory allocated by membox.
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*
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* Value: 0x0200030a
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*
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* Solution: Expand the memory allocated by membox.
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*/
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#define LOS_ERRNO_SWTMR_HANDLER_POOL_NO_MEM LOS_ERRNO_OS_ERROR(LOS_MOD_SWTMR, 0x0a)
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/**
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* @ingroup los_swtmr
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* Software timer error code: The software timer queue fails to be created.
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*
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* Value: 0x0200030b
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*
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* Solution: Check whether more memory can be allocated to the queue to be created.
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*/
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#define LOS_ERRNO_SWTMR_QUEUE_CREATE_FAILED LOS_ERRNO_OS_ERROR(LOS_MOD_SWTMR, 0x0b)
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/**
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* @ingroup los_swtmr
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* Software timer error code: The software timer task fails to be created.
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*
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* Value: 0x0200030c
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*
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* Solution: Check whether the memory is sufficient and re-create the task.
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*/
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#define LOS_ERRNO_SWTMR_TASK_CREATE_FAILED LOS_ERRNO_OS_ERROR(LOS_MOD_SWTMR, 0x0c)
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/**
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* @ingroup los_swtmr
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* Software timer error code: The software timer is not started.
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*
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* Value: 0x0200030d
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*
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* Solution: Start the software timer.
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*/
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#define LOS_ERRNO_SWTMR_NOT_STARTED LOS_ERRNO_OS_ERROR(LOS_MOD_SWTMR, 0x0d)
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/**
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* @ingroup los_swtmr
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* Software timer error code: Invalid software timer state.
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*
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* Value: 0x0200030e
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*
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* Solution: Check the software timer state.
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*/
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#define LOS_ERRNO_SWTMR_STATUS_INVALID LOS_ERRNO_OS_ERROR(LOS_MOD_SWTMR, 0x0e)
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/**
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* @ingroup los_swtmr
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* This error code is not in use temporarily.
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*/
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#define LOS_ERRNO_SWTMR_SORTLIST_NULL LOS_ERRNO_OS_ERROR(LOS_MOD_SWTMR, 0x0f)
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/**
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* @ingroup los_swtmr
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* Software timer error code: The passed-in number of remaining Ticks configured on the software timer is NULL.
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*
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* Value: 0x02000310
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*
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* Solution: Define a variable of the number of remaining Ticks before passing in the number of remaining Ticks.
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*/
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#define LOS_ERRNO_SWTMR_TICK_PTR_NULL LOS_ERRNO_OS_ERROR(LOS_MOD_SWTMR, 0x10)
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/**
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* @ingroup los_swtmr
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* Software timer error code: The software sortlink fails to be created.
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*
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* Value: 0x02000311
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*
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* Solution: Check whether the memory is sufficient and re-create the sortlink.
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*/
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#define LOS_ERRNO_SWTMR_SORTLINK_CREATE_FAILED LOS_ERRNO_OS_ERROR(LOS_MOD_SWTMR, 0x11)
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/**
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* @ingroup los_swtmr
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* Software timer mode
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*/
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enum enSwTmrType {
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LOS_SWTMR_MODE_ONCE, /**< One-off software timer */
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LOS_SWTMR_MODE_PERIOD, /**< Periodic software timer */
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LOS_SWTMR_MODE_NO_SELFDELETE, /**< One-off software timer, but not self-delete */
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LOS_SWTMR_MODE_OPP /**< After the one-off timer finishes timing,
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the periodic software timer is enabled.
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This mode is not supported temporarily. */
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};
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/**
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* @ingroup los_swtmr
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* @brief Define the type of a callback function that handles software timer timeout.
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*
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* @par Description:
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* This API is used to define the type of a callback function that handles software timer timeout, so that it can be
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* called when software timer timeout.
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*
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* @attention
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* <ul>
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* <li>None.</li>
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* </ul>
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*
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* @param arg [IN] the parameter of the callback function that handles software timer timeout.
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*
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* @retval None.
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* @par Dependency:
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* <ul><li>los_swtmr.h: the header file that contains the API declaration.</li></ul>
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* @see None.
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*/
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typedef VOID (*SWTMR_PROC_FUNC)(UINTPTR arg);
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/**
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* @ingroup los_swtmr
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* Software timer control structure
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*/
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typedef struct tagSwTmrCtrl {
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SortLinkList stSortList;
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UINT8 ucState; /**< Software timer state */
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UINT8 ucMode; /**< Software timer mode */
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UINT8 ucOverrun; /**< Times that a software timer repeats timing */
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UINT16 usTimerID; /**< Software timer ID */
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UINT32 uwCount; /**< Times that a software timer works */
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UINT32 uwInterval; /**< Timeout interval of a periodic software timer */
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UINT32 uwExpiry; /**< Timeout interval of an one-off software timer */
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#if (LOSCFG_KERNEL_SMP == YES)
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UINT32 uwCpuid; /**< The cpu where the timer running on */
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#endif
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UINTPTR uwArg; /**< Parameter passed in when the callback function
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that handles software timer timeout is called */
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SWTMR_PROC_FUNC pfnHandler; /**< Callback function that handles software timer timeout */
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UINT32 uwOwnerPid; /** Owner of this software timer */
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} SWTMR_CTRL_S;
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/**
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* @ingroup los_swtmr
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* @brief Start a software timer.
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*
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* @par Description:
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* This API is used to start a software timer that has a specified ID.
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* @attention
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* <ul>
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* <li>The specific timer must be created first</li>
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* </ul>
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*
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* @param swtmrID [IN] Software timer ID created by LOS_SwtmrCreate. The value of ID should be in
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* [0, LOSCFG_BASE_CORE_SWTMR_LIMIT - 1].
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*
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* @retval #LOS_ERRNO_SWTMR_ID_INVALID Invalid software timer ID.
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* @retval #LOS_ERRNO_SWTMR_NOT_CREATED The software timer is not created.
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* @retval #LOS_ERRNO_SWTMR_STATUS_INVALID Invalid software timer state.
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* @retval #LOS_OK The software timer is successfully started.
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* @par Dependency:
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* <ul><li>los_swtmr.h: the header file that contains the API declaration.</li></ul>
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* @see LOS_SwtmrStop | LOS_SwtmrCreate
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*/
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extern UINT32 LOS_SwtmrStart(UINT16 swtmrID);
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/**
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* @ingroup los_swtmr
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* @brief Stop a software timer.
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*
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* @par Description:
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* This API is used to stop a software timer that has a specified ID.
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* @attention
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* <ul>
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* <li>The specific timer should be created and started firstly.</li>
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* </ul>
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*
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* @param swtmrID [IN] Software timer ID created by LOS_SwtmrCreate. The value of ID should be in
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* [0, LOSCFG_BASE_CORE_SWTMR_LIMIT - 1].
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*
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* @retval #LOS_ERRNO_SWTMR_ID_INVALID Invalid software timer ID.
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* @retval #LOS_ERRNO_SWTMR_NOT_CREATED The software timer is not created.
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* @retval #LOS_ERRNO_SWTMR_NOT_STARTED The software timer is not started.
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* @retval #LOS_ERRNO_SWTMR_STATUS_INVALID Invalid software timer state.
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* @retval #LOS_OK The software timer is successfully stopped.
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* @par Dependency:
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* <ul><li>los_swtmr.h: the header file that contains the API declaration.</li></ul>
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* @see LOS_SwtmrStart | LOS_SwtmrCreate
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*/
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extern UINT32 LOS_SwtmrStop(UINT16 swtmrID);
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/**
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* @ingroup los_swtmr
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* @brief Obtain the number of remaining Ticks configured on a software timer.
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*
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* @par Description:
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* This API is used to obtain the number of remaining Ticks configured on the software timer of which the ID is
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* specified by usSwTmrID.
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* @attention
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* <ul>
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* <li>The specific timer should be created and started successfully, error happends otherwise.</li>
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* </ul>
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*
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* @param swtmrID [IN] Software timer ID created by LOS_SwtmrCreate. The value of ID should be in
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* [0, LOSCFG_BASE_CORE_SWTMR_LIMIT - 1].
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* @param tick [OUT] Number of remaining Ticks configured on the software timer.
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*
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* @retval #LOS_ERRNO_SWTMR_ID_INVALID Invalid software timer ID.
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* @retval #LOS_ERRNO_SWTMR_NOT_CREATED The software timer is not created.
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* @retval #LOS_ERRNO_SWTMR_NOT_STARTED The software timer is not started.
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* @retval #LOS_ERRNO_SWTMR_STATUS_INVALID Invalid software timer state.
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* @retval #LOS_OK The number of remaining Ticks is successfully obtained.
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* @par Dependency:
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* <ul><li>los_swtmr.h: the header file that contains the API declaration.</li></ul>
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* @see LOS_SwtmrCreate
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*/
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extern UINT32 LOS_SwtmrTimeGet(UINT16 swtmrID, UINT32 *tick);
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/**
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* @ingroup los_swtmr
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* @brief Create a software timer.
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*
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* @par Description:
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* This API is used to create a software timer that has specified timing duration, timeout handling function,
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* and trigger mode, and to return a handle by which the software timer can be referenced.
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* @attention
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* <ul>
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* <li>Do not use the delay interface in the callback function that handles software timer timeout.</li>
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* <li>Threre are LOSCFG_BASE_CORE_SWTMR_LIMIT timers available, change it's value when necessory.</li>
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* </ul>
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*
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* @param interval [IN] Timing duration of the software timer to be created (unit: tick).
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* @param mode [IN] Software timer mode. Pass in one of the modes specified by enSwTmrType. There are three
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* types of modes, one-off, periodic, and continuously periodic after one-off, of which the third mode is not
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* supported temporarily.
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* @param handler [IN] Callback function that handles software timer timeout.
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* @param swtmrID [OUT] Software timer ID created by LOS_SwtmrCreate.
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* @param arg [IN] Parameter passed in when the callback function that handles software timer timeout is
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* called.
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*
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* @retval #LOS_ERRNO_SWTMR_INTERVAL_NOT_SUITED The software timer timeout interval is 0.
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* @retval #LOS_ERRNO_SWTMR_MODE_INVALID Invalid software timer mode.
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* @retval #LOS_ERRNO_SWTMR_PTR_NULL The callback function that handles software timer timeout is NULL.
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* @retval #LOS_ERRNO_SWTMR_RET_PTR_NULL The passed-in software timer ID is NULL.
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* @retval #LOS_ERRNO_SWTMR_MAXSIZE The number of software timers exceeds the configured permitted
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* maximum number.
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* @retval #LOS_OK The software timer is successfully created.
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* @par Dependency:
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* <ul><li>los_swtmr.h: the header file that contains the API declaration.</li></ul>
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* @see LOS_SwtmrDelete
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*/
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extern UINT32 LOS_SwtmrCreate(UINT32 interval, UINT8 mode, SWTMR_PROC_FUNC handler, UINT16 *swtmrID, UINTPTR arg);
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/**
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* @ingroup los_swtmr
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* @brief Delete a software timer.
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*
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* @par Description:
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* This API is used to delete a software timer.
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* @attention
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* <ul>
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* <li>The specific timer should be created and then stopped firstly.</li>
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* </ul>
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*
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* @param swtmrID [IN] Software timer ID created by LOS_SwtmrCreate. The value of ID should be in
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* [0, LOSCFG_BASE_CORE_SWTMR_LIMIT - 1].
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*
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* @retval #LOS_ERRNO_SWTMR_ID_INVALID Invalid software timer ID.
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* @retval #LOS_ERRNO_SWTMR_NOT_CREATED The software timer is not created.
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* @retval #LOS_ERRNO_SWTMR_STATUS_INVALID Invalid software timer state.
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* @retval #LOS_OK The software timer is successfully deleted.
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* @par Dependency:
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* <ul><li>los_swtmr.h: the header file that contains the API declaration.</li></ul>
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* @see LOS_SwtmrCreate
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*/
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extern UINT32 LOS_SwtmrDelete(UINT16 swtmrID);
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#ifdef __cplusplus
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#if __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* __cplusplus */
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#endif /* _LOS_SWTMR_H */
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