generated from Template/H563ZI-HAL-CMake-Template
138 lines
6.1 KiB
C
138 lines
6.1 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"
|
|
#ifdef TX_ENABLE_EVENT_TRACE
|
|
#include "tx_trace.h"
|
|
#endif
|
|
|
|
|
|
/**************************************************************************/
|
|
/* */
|
|
/* FUNCTION RELEASE */
|
|
/* */
|
|
/* _tx_timer_activate PORTABLE C */
|
|
/* 6.1 */
|
|
/* AUTHOR */
|
|
/* */
|
|
/* William E. Lamie, Microsoft Corporation */
|
|
/* */
|
|
/* DESCRIPTION */
|
|
/* */
|
|
/* This function activates the specified application timer. */
|
|
/* */
|
|
/* INPUT */
|
|
/* */
|
|
/* timer_ptr Pointer to timer control block */
|
|
/* */
|
|
/* OUTPUT */
|
|
/* */
|
|
/* TX_SUCCESS Always returns success */
|
|
/* */
|
|
/* CALLS */
|
|
/* */
|
|
/* _tx_timer_system_activate Actual timer activation function */
|
|
/* */
|
|
/* 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_timer_activate(TX_TIMER *timer_ptr)
|
|
{
|
|
|
|
TX_INTERRUPT_SAVE_AREA
|
|
|
|
UINT status;
|
|
|
|
|
|
/* Disable interrupts to put the timer on the created list. */
|
|
TX_DISABLE
|
|
|
|
#ifdef TX_ENABLE_EVENT_TRACE
|
|
|
|
/* If trace is enabled, insert this event into the trace buffer. */
|
|
TX_TRACE_IN_LINE_INSERT(TX_TRACE_TIMER_ACTIVATE, timer_ptr, 0, 0, 0, TX_TRACE_TIMER_EVENTS)
|
|
#endif
|
|
|
|
#ifdef TX_ENABLE_EVENT_LOGGING
|
|
|
|
/* Log this kernel call. */
|
|
TX_EL_TIMER_ACTIVATE_INSERT
|
|
#endif
|
|
|
|
/* Check for an already active timer. */
|
|
if (timer_ptr -> tx_timer_internal.tx_timer_internal_list_head != TX_NULL)
|
|
{
|
|
|
|
/* Timer is already active, return an error. */
|
|
status = TX_ACTIVATE_ERROR;
|
|
}
|
|
|
|
/* Check for a timer with a zero expiration. */
|
|
else if (timer_ptr -> tx_timer_internal.tx_timer_internal_remaining_ticks == ((ULONG) 0))
|
|
{
|
|
|
|
/* Timer is being activated with a zero expiration. */
|
|
status = TX_ACTIVATE_ERROR;
|
|
}
|
|
else
|
|
{
|
|
|
|
#ifdef TX_TIMER_ENABLE_PERFORMANCE_INFO
|
|
|
|
/* Increment the total activations counter. */
|
|
_tx_timer_performance_activate_count++;
|
|
|
|
/* Increment the number of activations on this timer. */
|
|
timer_ptr -> tx_timer_performance_activate_count++;
|
|
#endif
|
|
|
|
/* Call actual activation function. */
|
|
_tx_timer_system_activate(&(timer_ptr -> tx_timer_internal));
|
|
|
|
/* Return a successful status. */
|
|
status = TX_SUCCESS;
|
|
}
|
|
|
|
/* Restore interrupts. */
|
|
TX_RESTORE
|
|
|
|
/* Return completion status. */
|
|
return(status);
|
|
}
|
|
|