1 /**************************************************************************/
2 /* */
3 /* Copyright (c) Microsoft Corporation. All rights reserved. */
4 /* */
5 /* This software is licensed under the Microsoft Software License */
6 /* Terms for Microsoft Azure RTOS. Full text of the license can be */
7 /* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
8 /* and in the root directory of this software. */
9 /* */
10 /**************************************************************************/
11
12
13 /**************************************************************************/
14 /**************************************************************************/
15 /** */
16 /** USBX Component */
17 /** */
18 /** Utility */
19 /** */
20 /**************************************************************************/
21 /**************************************************************************/
22
23
24 /* Include necessary system files. */
25
26 #define UX_SOURCE_CODE
27
28 #include "ux_api.h"
29
30
31 #if !defined(UX_STANDALONE)
32 /**************************************************************************/
33 /* */
34 /* FUNCTION RELEASE */
35 /* */
36 /* _ux_utility_event_flags_get PORTABLE C */
37 /* 6.1.11 */
38 /* AUTHOR */
39 /* */
40 /* Chaoqiong Xiao, Microsoft Corporation */
41 /* */
42 /* DESCRIPTION */
43 /* */
44 /* This function get event flags from event flag group */
45 /* */
46 /* INPUT */
47 /* */
48 /* group_ptr Event flag control group */
49 /* requested_flags 32 bits variable event flags */
50 /* get_option AND/OR/CLEAR ... options */
51 /* actual_flag_ptr where the flags are placed */
52 /* wait_option waiting option */
53 /* */
54 /* */
55 /* OUTPUT */
56 /* */
57 /* Completion Status */
58 /* */
59 /* CALLS */
60 /* */
61 /* tx_event_flags_get ThreadX get event flag */
62 /* */
63 /* CALLED BY */
64 /* */
65 /* USBX Components */
66 /* */
67 /* RELEASE HISTORY */
68 /* */
69 /* DATE NAME DESCRIPTION */
70 /* */
71 /* 05-19-2020 Chaoqiong Xiao Initial Version 6.0 */
72 /* 09-30-2020 Chaoqiong Xiao Modified comment(s), */
73 /* used UX prefix to refer to */
74 /* TX symbols instead of using */
75 /* them directly, */
76 /* resulting in version 6.1 */
77 /* 04-25-2022 Chaoqiong Xiao Modified comment(s), */
78 /* off in standalone build, */
79 /* resulting in version 6.1.11 */
80 /* */
81 /**************************************************************************/
_ux_utility_event_flags_get(UX_EVENT_FLAGS_GROUP * group_ptr,ULONG requested_flags,UINT get_option,ULONG * actual_flags_ptr,ULONG wait_option)82 UINT _ux_utility_event_flags_get(UX_EVENT_FLAGS_GROUP*group_ptr, ULONG requested_flags,
83 UINT get_option, ULONG *actual_flags_ptr, ULONG wait_option)
84 {
85
86 UINT status;
87 ULONG local_actual_flags_ptr;
88
89 /* Call ThreadX to get the event flags. */
90 status = tx_event_flags_get(group_ptr, requested_flags, get_option, &local_actual_flags_ptr, wait_option);
91
92 /* Update the actual flags. */
93 *actual_flags_ptr = local_actual_flags_ptr;
94
95 /* Return completion status. */
96 return(status);
97 }
98 #endif
99
