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 /** Host Stack */
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 /**************************************************************************/
32 /* */
33 /* FUNCTION RELEASE */
34 /* */
35 /* _ux_utility_delay_ms PORTABLE C */
36 /* 6.1.10 */
37 /* AUTHOR */
38 /* */
39 /* Chaoqiong Xiao, Microsoft Corporation */
40 /* */
41 /* DESCRIPTION */
42 /* */
43 /* This function causes the calling thread to sleep for the */
44 /* specified number of milliseconds */
45 /* */
46 /* INPUT */
47 /* */
48 /* ms_wait Number of milliseconds to */
49 /* wait for */
50 /* */
51 /* OUTPUT */
52 /* */
53 /* None */
54 /* */
55 /* CALLS */
56 /* */
57 /* tx_thread_sleep ThreadX sleep function */
58 /* */
59 /* CALLED BY */
60 /* */
61 /* USBX Components */
62 /* */
63 /* RELEASE HISTORY */
64 /* */
65 /* DATE NAME DESCRIPTION */
66 /* */
67 /* 05-19-2020 Chaoqiong Xiao Initial Version 6.0 */
68 /* 09-30-2020 Chaoqiong Xiao Modified comment(s), */
69 /* resulting in version 6.1 */
70 /* 11-09-2020 Chaoqiong Xiao Modified comment(s), */
71 /* fixed compile warnings 64b, */
72 /* resulting in version 6.1.2 */
73 /* 01-31-2022 Chaoqiong Xiao Modified comment(s), */
74 /* added standalone support, */
75 /* resulting in version 6.1.10 */
76 /* */
77 /**************************************************************************/
_ux_utility_delay_ms(ULONG ms_wait)78 VOID _ux_utility_delay_ms(ULONG ms_wait)
79 {
80
81 ULONG ticks;
82
83 #if defined(UX_STANDALONE)
84
85 /* Get current time. */
86 ticks = _ux_utility_time_get();
87
88 /* Wait until timeout. */
89 while(_ux_utility_time_elapsed(ticks, _ux_utility_time_get()) <
90 UX_MS_TO_TICK_NON_ZERO(ms_wait));
91 #else
92
93 /* translate ms into ticks. */
94 ticks = (ULONG)(ms_wait * UX_PERIODIC_RATE) / 1000;
95
96 /* For safety add 1 to ticks. */
97 ticks++;
98
99 /* Call ThreadX sleep function. */
100 tx_thread_sleep(ticks);
101 #endif
102
103 /* Return completion status. */
104 return;
105 }
106
