1 /***************************************************************************
2 * Copyright (c) 2024 Microsoft Corporation
3 *
4 * This program and the accompanying materials are made available under the
5 * terms of the MIT License which is available at
6 * https://opensource.org/licenses/MIT.
7 *
8 * SPDX-License-Identifier: MIT
9 **************************************************************************/
10
11
12 /**************************************************************************/
13 /**************************************************************************/
14 /** */
15 /** ThreadX Component */
16 /** */
17 /** Timer */
18 /** */
19 /**************************************************************************/
20 /**************************************************************************/
21
22 #define TX_SOURCE_CODE
23
24
25 /* Include necessary system files. */
26
27 #include "tx_api.h"
28 #include "tx_timer.h"
29
30
31 /**************************************************************************/
32 /* */
33 /* FUNCTION RELEASE */
34 /* */
35 /* _txe_timer_info_get PORTABLE C */
36 /* 6.1 */
37 /* AUTHOR */
38 /* */
39 /* William E. Lamie, Microsoft Corporation */
40 /* */
41 /* DESCRIPTION */
42 /* */
43 /* This function checks for errors in the timer information get */
44 /* service. */
45 /* */
46 /* INPUT */
47 /* */
48 /* timer_ptr Pointer to timer control block */
49 /* name Destination for the timer name */
50 /* active Destination for active flag */
51 /* remaining_ticks Destination for remaining ticks */
52 /* before expiration */
53 /* reschedule_ticks Destination for reschedule ticks */
54 /* next_timer Destination for next timer on the */
55 /* created list */
56 /* */
57 /* OUTPUT */
58 /* */
59 /* TX_TIMER_ERROR Invalid timer pointer */
60 /* status Completion status */
61 /* */
62 /* CALLS */
63 /* */
64 /* _tx_timer_info_get Actual info get call */
65 /* */
66 /* CALLED BY */
67 /* */
68 /* Application Code */
69 /* */
70 /* RELEASE HISTORY */
71 /* */
72 /* DATE NAME DESCRIPTION */
73 /* */
74 /* 05-19-2020 William E. Lamie Initial Version 6.0 */
75 /* 09-30-2020 Yuxin Zhou Modified comment(s), */
76 /* resulting in version 6.1 */
77 /* */
78 /**************************************************************************/
_txe_timer_info_get(TX_TIMER * timer_ptr,CHAR ** name,UINT * active,ULONG * remaining_ticks,ULONG * reschedule_ticks,TX_TIMER ** next_timer)79 UINT _txe_timer_info_get(TX_TIMER *timer_ptr, CHAR **name, UINT *active, ULONG *remaining_ticks,
80 ULONG *reschedule_ticks, TX_TIMER **next_timer)
81 {
82
83 UINT status;
84
85
86 /* Check for an invalid timer pointer. */
87 if (timer_ptr == TX_NULL)
88 {
89
90 /* Timer pointer is invalid, return appropriate error code. */
91 status = TX_TIMER_ERROR;
92 }
93
94 /* Now check for invalid timer ID. */
95 else if (timer_ptr -> tx_timer_id != TX_TIMER_ID)
96 {
97
98 /* Timer pointer is invalid, return appropriate error code. */
99 status = TX_TIMER_ERROR;
100 }
101 else
102 {
103
104 /* Otherwise, call the actual timer information get service. */
105 status = _tx_timer_info_get(timer_ptr, name, active, remaining_ticks, reschedule_ticks, next_timer);
106 }
107
108 /* Return completion status. */
109 return(status);
110 }
111
112