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开启 ThreadX

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chauyin
2025-05-07 22:53:45 +08:00
parent 7f9bede0c7
commit aa43e21103
194 changed files with 42018 additions and 91 deletions
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134
Middlewares/ST/threadx/common/src/tx_event_flags_initialize.c Normal file
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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Event Flags */
/** */
/**************************************************************************/
/**************************************************************************/
#define TX_SOURCE_CODE
/* Include necessary system files. */
#include "tx_api.h"
#include "tx_event_flags.h"
#ifndef TX_INLINE_INITIALIZATION
/* Locate event flags component data in this file. */
/* Define the head pointer of the created event flags list. */
TX_EVENT_FLAGS_GROUP * _tx_event_flags_created_ptr;
/* Define the variable that holds the number of created event flag groups. */
ULONG _tx_event_flags_created_count;
#ifdef TX_EVENT_FLAGS_ENABLE_PERFORMANCE_INFO
/* Define the total number of event flag sets. */
ULONG _tx_event_flags_performance_set_count;
/* Define the total number of event flag gets. */
ULONG _tx_event_flags_performance_get_count;
/* Define the total number of event flag suspensions. */
ULONG _tx_event_flags_performance_suspension_count;
/* Define the total number of event flag timeouts. */
ULONG _tx_event_flags_performance_timeout_count;
#endif
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_event_flags_initialize PORTABLE C */
/* 6.1 */
/* AUTHOR */
/* */
/* William E. Lamie, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function initializes the various control data structures for */
/* the event flags component. */
/* */
/* INPUT */
/* */
/* None */
/* */
/* OUTPUT */
/* */
/* None */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* _tx_initialize_high_level High level initialization */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 05-19-2020 William E. Lamie Initial Version 6.0 */
/* 09-30-2020 Yuxin Zhou Modified comment(s), */
/* opt out of function when */
/* TX_INLINE_INITIALIZATION is */
/* defined, */
/* resulting in version 6.1 */
/* */
/**************************************************************************/
VOID _tx_event_flags_initialize(VOID)
{
#ifndef TX_DISABLE_REDUNDANT_CLEARING
/* Initialize the head pointer of the created event flags list and the
number of event flags created. */
_tx_event_flags_created_ptr = TX_NULL;
_tx_event_flags_created_count = TX_EMPTY;
#ifdef TX_EVENT_FLAGS_ENABLE_PERFORMANCE_INFO
/* Initialize event flags performance counters. */
_tx_event_flags_performance_set_count = ((ULONG) 0);
_tx_event_flags_performance_get_count = ((ULONG) 0);
_tx_event_flags_performance_suspension_count = ((ULONG) 0);
_tx_event_flags_performance_timeout_count = ((ULONG) 0);
#endif
#endif
}
#endif