105 lines
5.4 KiB
C

/**************************************************************************/
/* */
/* 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 */
/** */
/** Timer */
/** */
/**************************************************************************/
/**************************************************************************/
#define TX_SOURCE_CODE
/* Include necessary system files. */
#include "tx_api.h"
#include "tx_trace.h"
#include "tx_timer.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _tx_time_get PORTABLE C */
/* 6.1.3 */
/* AUTHOR */
/* */
/* William E. Lamie, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function retrieves the internal, free-running, system clock */
/* and returns it to the caller. */
/* */
/* INPUT */
/* */
/* None */
/* */
/* OUTPUT */
/* */
/* _tx_timer_system_clock Returns the system clock value */
/* */
/* 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 */
/* 12-31-2020 Andres Mlinar Modified comment(s), */
/* resulting in version 6.1.3 */
/* */
/**************************************************************************/
ULONG _tx_time_get(VOID)
{
TX_INTERRUPT_SAVE_AREA
#ifdef TX_ENABLE_EVENT_TRACE
ULONG another_temp_time = ((ULONG) 0);
#endif
ULONG temp_time;
/* Disable interrupts. */
TX_DISABLE
/* Pickup the system clock time. */
temp_time = _tx_timer_system_clock;
/* If trace is enabled, insert this event into the trace buffer. */
TX_TRACE_IN_LINE_INSERT(TX_TRACE_TIME_GET, TX_ULONG_TO_POINTER_CONVERT(temp_time), TX_POINTER_TO_ULONG_CONVERT(&another_temp_time), 0, 0, TX_TRACE_TIME_EVENTS)
/* Log this kernel call. */
TX_EL_TIME_GET_INSERT
/* Restore interrupts. */
TX_RESTORE
/* Return the time. */
return(temp_time);
}