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Diffstat (limited to 'common/src/tx_timer_activate.c')
| -rw-r--r-- | common/src/tx_timer_activate.c | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/common/src/tx_timer_activate.c b/common/src/tx_timer_activate.c new file mode 100644 index 00000000..69580545 --- /dev/null +++ b/common/src/tx_timer_activate.c @@ -0,0 +1,135 @@ +/**************************************************************************/ +/* */ +/* 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 */ +/* 6.0 */ +/* 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 */ +/* */ +/**************************************************************************/ +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); +} + |