diff options
| author | PProvost <[email protected]> | 2020-05-11 08:55:07 -0600 |
|---|---|---|
| committer | PProvost <[email protected]> | 2020-05-11 08:55:07 -0600 |
| commit | 852421fda03a7722d7adb45b187235cd66fa264e (patch) | |
| tree | b117e1339a047347a3d7ebf3eeb1891168cc9b9b /common/src/txe_event_flags_set.c | |
Initial commit
Diffstat (limited to 'common/src/txe_event_flags_set.c')
| -rw-r--r-- | common/src/txe_event_flags_set.c | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/common/src/txe_event_flags_set.c b/common/src/txe_event_flags_set.c new file mode 100644 index 00000000..a0e97bb8 --- /dev/null +++ b/common/src/txe_event_flags_set.c @@ -0,0 +1,126 @@ +/**************************************************************************/ +/* */ +/* 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 */ +/** */ +/** Event Flags */ +/** */ +/**************************************************************************/ +/**************************************************************************/ + +#define TX_SOURCE_CODE + + +/* Include necessary system files. */ + +#include "tx_api.h" +#include "tx_event_flags.h" + + +/**************************************************************************/ +/* */ +/* FUNCTION RELEASE */ +/* */ +/* _txe_event_flags_set PORTABLE C */ +/* 6.0 */ +/* AUTHOR */ +/* */ +/* William E. Lamie, Microsoft Corporation */ +/* */ +/* DESCRIPTION */ +/* */ +/* This function checks for errors in the set event flags function */ +/* call. */ +/* */ +/* INPUT */ +/* */ +/* group_ptr Pointer to group control block */ +/* flags_to_set Event flags to set */ +/* set_option Specified either AND or OR */ +/* operation on the event flags */ +/* */ +/* OUTPUT */ +/* */ +/* TX_GROUP_ERROR Invalid event flags group pointer */ +/* TX_OPTION_ERROR Invalid set option */ +/* status Actual completion status */ +/* */ +/* CALLS */ +/* */ +/* _tx_event_flags_set Actual set event flags function */ +/* */ +/* CALLED BY */ +/* */ +/* Application Code */ +/* */ +/* RELEASE HISTORY */ +/* */ +/* DATE NAME DESCRIPTION */ +/* */ +/* 05-19-2020 William E. Lamie Initial Version 6.0 */ +/* */ +/**************************************************************************/ +UINT _txe_event_flags_set(TX_EVENT_FLAGS_GROUP *group_ptr, ULONG flags_to_set, UINT set_option) +{ + +UINT status; + + + /* Default status to success. */ + status = TX_SUCCESS; + + /* Check for an invalid event flag group pointer. */ + if (group_ptr == TX_NULL) + { + + /* Event flags group pointer is invalid, return appropriate error code. */ + status = TX_GROUP_ERROR; + } + + /* Now check for invalid event flag group ID. */ + else if (group_ptr -> tx_event_flags_group_id != TX_EVENT_FLAGS_ID) + { + + /* Event flags group pointer is invalid, return appropriate error code. */ + status = TX_GROUP_ERROR; + } + else + { + + /* Check for invalid set option. */ + if (set_option != TX_AND) + { + + if (set_option != TX_OR) + { + + /* Invalid set events option, return appropriate error. */ + status = TX_OPTION_ERROR; + } + } + } + + /* Determine if everything is okay. */ + if (status == TX_SUCCESS) + { + + /* Call actual event flags set function. */ + status = _tx_event_flags_set(group_ptr, flags_to_set, set_option); + } + + /* Return completion status. */ + return(status); +} + |