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Diffstat (limited to 'common/src/txe_timer_delete.c')
| -rw-r--r-- | common/src/txe_timer_delete.c | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/common/src/txe_timer_delete.c b/common/src/txe_timer_delete.c new file mode 100644 index 00000000..21debdf1 --- /dev/null +++ b/common/src/txe_timer_delete.c @@ -0,0 +1,143 @@ +/**************************************************************************/ +/* */ +/* 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_thread.h" +#include "tx_timer.h" + + +/**************************************************************************/ +/* */ +/* FUNCTION RELEASE */ +/* */ +/* _txe_timer_delete PORTABLE C */ +/* 6.0 */ +/* AUTHOR */ +/* */ +/* William E. Lamie, Microsoft Corporation */ +/* */ +/* DESCRIPTION */ +/* */ +/* This function checks for errors in the delete application timer */ +/* function call. */ +/* */ +/* INPUT */ +/* */ +/* timer_ptr Pointer to timer control block */ +/* */ +/* OUTPUT */ +/* */ +/* TX_TIMER_ERROR Invalid application timer pointer */ +/* TX_CALLER_ERROR Invalid caller of this function */ +/* status Actual completion status */ +/* */ +/* CALLS */ +/* */ +/* _tx_timer_delete Actual timer delete function */ +/* */ +/* CALLED BY */ +/* */ +/* Application Code */ +/* */ +/* RELEASE HISTORY */ +/* */ +/* DATE NAME DESCRIPTION */ +/* */ +/* 05-19-2020 William E. Lamie Initial Version 6.0 */ +/* */ +/**************************************************************************/ +UINT _txe_timer_delete(TX_TIMER *timer_ptr) +{ + +UINT status; +#ifndef TX_TIMER_PROCESS_IN_ISR +TX_THREAD *thread_ptr; +#endif + + +#ifndef TX_TIMER_PROCESS_IN_ISR + + /* Default status to success. */ + status = TX_SUCCESS; +#endif + + /* 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; + } + + /* Check for invalid caller of this function. */ + + /* Is the caller an ISR or Initialization? */ + else if (TX_THREAD_GET_SYSTEM_STATE() != ((ULONG) 0)) + { + + /* Invalid caller of this function, return appropriate error code. */ + status = TX_CALLER_ERROR; + } + else + { + +#ifndef TX_TIMER_PROCESS_IN_ISR + + /* Pickup thread pointer. */ + TX_THREAD_GET_CURRENT(thread_ptr) + + /* Is the caller the system timer thread? */ + if (thread_ptr == &_tx_timer_thread) + { + + /* Invalid caller of this function, return appropriate error code. */ + status = TX_CALLER_ERROR; + } + + /* Determine if everything is okay. */ + if (status == TX_SUCCESS) + { +#endif + + /* Call actual application timer delete function. */ + status = _tx_timer_delete(timer_ptr); + +#ifndef TX_TIMER_PROCESS_IN_ISR + } +#endif + } + + /* Return completion status. */ + return(status); +} + |