CortexM3ThreadXV6/common/src/tx_trace_disable.c
2025-06-30 20:12:55 +08:00

105 lines
4.8 KiB
C

/***************************************************************************
* Copyright (c) 2024 Microsoft Corporation
*
* This program and the accompanying materials are made available under the
* terms of the MIT License which is available at
* https://opensource.org/licenses/MIT.
*
* SPDX-License-Identifier: MIT
**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** ThreadX Component */
/** */
/** Trace */
/** */
/**************************************************************************/
/**************************************************************************/
#define TX_SOURCE_CODE
/* Include necessary system files. */
#include "tx_api.h"
#include "tx_trace.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_trace_disable PORTABLE C */
/* 6.1 */
/* AUTHOR */
/* */
/* William E. Lamie, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function disables trace inside of ThreadX. */
/* */
/* INPUT */
/* */
/* None */
/* */
/* OUTPUT */
/* */
/* Completion Status */
/* */
/* CALLS */
/* */
/* None */
/* */
/* CALLED BY */
/* */
/* Application Code */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 05-19-2020 William E. Lamie Initial Version 6.0 */
/* 09-30-2020 Yuxin Zhou Modified comment(s), */
/* resulting in version 6.1 */
/* */
/**************************************************************************/
UINT _tx_trace_disable(VOID)
{
#ifdef TX_ENABLE_EVENT_TRACE
UINT status;
/* Determine if trace is already disabled. */
if (_tx_trace_buffer_current_ptr == TX_NULL)
{
/* Yes, trace is already disabled. */
status = TX_NOT_DONE;
}
else
{
/* Otherwise, simply clear the current pointer and registery start pointer to disable the trace. */
_tx_trace_buffer_current_ptr = TX_NULL;
_tx_trace_registry_start_ptr = TX_NULL;
/* Successful completion. */
status = TX_SUCCESS;
}
/* Return completion status. */
return(status);
#else
/* Trace not enabled, return an error. */
return(TX_FEATURE_NOT_ENABLED);
#endif
}