113 lines
6.0 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_timer.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _txe_timer_info_get PORTABLE C */
/* 6.1 */
/* AUTHOR */
/* */
/* William E. Lamie, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function checks for errors in the timer information get */
/* service. */
/* */
/* INPUT */
/* */
/* timer_ptr Pointer to timer control block */
/* name Destination for the timer name */
/* active Destination for active flag */
/* remaining_ticks Destination for remaining ticks */
/* before expiration */
/* reschedule_ticks Destination for reschedule ticks */
/* next_timer Destination for next timer on the */
/* created list */
/* */
/* OUTPUT */
/* */
/* TX_TIMER_ERROR Invalid timer pointer */
/* status Completion status */
/* */
/* CALLS */
/* */
/* _tx_timer_info_get Actual info get call */
/* */
/* 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 _txe_timer_info_get(TX_TIMER *timer_ptr, CHAR **name, UINT *active, ULONG *remaining_ticks,
ULONG *reschedule_ticks, TX_TIMER **next_timer)
{
UINT status;
/* Check for an invalid timer pointer. */
if (timer_ptr == TX_NULL)
{
/* Timer pointer is invalid, return appropriate error code. */
status = TX_TIMER_ERROR;
}
/* Now check for invalid timer ID. */
else if (timer_ptr -> tx_timer_id != TX_TIMER_ID)
{
/* Timer pointer is invalid, return appropriate error code. */
status = TX_TIMER_ERROR;
}
else
{
/* Otherwise, call the actual timer information get service. */
status = _tx_timer_info_get(timer_ptr, name, active, remaining_ticks, reschedule_ticks, next_timer);
}
/* Return completion status. */
return(status);
}