110 lines
5.6 KiB
C
110 lines
5.6 KiB
C
/**************************************************************************/
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/* */
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/* Copyright (c) Microsoft Corporation. All rights reserved. */
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/* */
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/* This software is licensed under the Microsoft Software License */
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/* Terms for Microsoft Azure RTOS. Full text of the license can be */
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/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
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/* and in the root directory of this software. */
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/* */
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/**************************************************************************/
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/**************************************************************************/
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/**************************************************************************/
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/** */
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/** ThreadX Component */
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/** */
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/** Event Flags */
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/** */
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/**************************************************************************/
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/**************************************************************************/
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#define TX_SOURCE_CODE
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/* Include necessary system files. */
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#include "tx_api.h"
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#include "tx_trace.h"
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#include "tx_event_flags.h"
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/**************************************************************************/
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/* */
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/* FUNCTION RELEASE */
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/* */
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/* _tx_event_flags_set_notify PORTABLE C */
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/* 6.1 */
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/* AUTHOR */
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/* */
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/* William E. Lamie, Microsoft Corporation */
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/* */
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/* DESCRIPTION */
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/* */
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/* This function registers an application callback function that is */
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/* called whenever an event flag is set in this group. */
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/* */
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/* INPUT */
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/* */
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/* group_ptr Pointer to group control block*/
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/* group_put_notify Application callback function */
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/* (TX_NULL disables notify) */
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/* */
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/* OUTPUT */
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/* */
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/* status Service return status */
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/* */
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/* CALLS */
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/* */
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/* None */
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/* */
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/* CALLED BY */
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/* */
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/* Application Code */
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/* */
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/* RELEASE HISTORY */
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/* */
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/* DATE NAME DESCRIPTION */
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/* */
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/* 05-19-2020 William E. Lamie Initial Version 6.0 */
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/* 09-30-2020 Yuxin Zhou Modified comment(s), */
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/* resulting in version 6.1 */
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/* */
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/**************************************************************************/
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UINT _tx_event_flags_set_notify(TX_EVENT_FLAGS_GROUP *group_ptr, VOID (*events_set_notify)(TX_EVENT_FLAGS_GROUP *notify_group_ptr))
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{
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#ifdef TX_DISABLE_NOTIFY_CALLBACKS
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TX_EVENT_FLAGS_GROUP_NOT_USED(group_ptr);
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TX_EVENT_FLAGS_SET_NOTIFY_NOT_USED(events_set_notify);
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/* Feature is not enabled, return error. */
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return(TX_FEATURE_NOT_ENABLED);
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#else
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TX_INTERRUPT_SAVE_AREA
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/* Disable interrupts. */
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TX_DISABLE
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/* Make entry in event log. */
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TX_TRACE_IN_LINE_INSERT(TX_TRACE_EVENT_FLAGS_SET_NOTIFY, group_ptr, 0, 0, 0, TX_TRACE_EVENT_FLAGS_EVENTS)
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/* Make entry in event log. */
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TX_EL_EVENT_FLAGS_SET_NOTIFY_INSERT
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/* Setup event flag group set notification callback function. */
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group_ptr -> tx_event_flags_group_set_notify = events_set_notify;
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/* Restore interrupts. */
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TX_RESTORE
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/* Return success to caller. */
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return(TX_SUCCESS);
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#endif
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}
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