Outline ![]()
Files ![]()
loading...
CodeScope![]()
STM32 Libraries and Samples![]()
usbx![]()
common/usbx_device_classes/src/ux_device_class_cdc_acm_unitialize.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
/**************************************************************************/
/* */
/* 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. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** USBX Component */
/** */
/** Device CDC Class */
/** */
/**************************************************************************/
/**************************************************************************/
#define UX_SOURCE_CODE
/* Include necessary system files. */
#include "ux_api.h"
#include "ux_device_class_cdc_acm.h"
#include "ux_device_stack.h"
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _ux_device_class_cdc_acm_uninitialize PORTABLE C */
/* 6.1.10 */
/* AUTHOR */
/* */
/* Chaoqiong Xiao, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This function uninitialize the cdc-acm class. */
/* */
/* INPUT */
/* */
/* command Pointer to a class command */
/* */
/* OUTPUT */
/* */
/* Completion Status */
/* */
/* CALLS */
/* */
/* _ux_utility_mutex_delete Delete Mutex */
/* _ux_utility_memory_free Free used local memory */
/* */
/* CALLED BY */
/* */
/* CDC Class */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 05-19-2020 Chaoqiong Xiao Initial Version 6.0 */
/* 09-30-2020 Chaoqiong Xiao Modified comment(s), */
/* resulting in version 6.1 */
/* 04-02-2021 Chaoqiong Xiao Modified comment(s), */
/* added macro to disable */
/* transmission support, */
/* moved transmission resource */
/* free to here (uninit), */
/* resulting in version 6.1.6 */
/* 01-31-2022 Chaoqiong Xiao Modified comment(s), */
/* added standalone support, */
/* resulting in version 6.1.10 */
/* */
/**************************************************************************/
UINT _ux_device_class_cdc_acm_uninitialize(UX_SLAVE_CLASS_COMMAND *command)
{
UX_SLAVE_CLASS_CDC_ACM *cdc_acm;
UX_SLAVE_CLASS *class;
/* Get the class container. */
class = command -> ux_slave_class_command_class_ptr;
/* Get the class instance in the container. */
cdc_acm = (UX_SLAVE_CLASS_CDC_ACM *) class -> ux_slave_class_instance;
/* Sanity check. */
if (cdc_acm != UX_NULL)
{
#if !defined(UX_DEVICE_STANDALONE)
/* Delete the IN endpoint mutex. */
_ux_utility_mutex_delete(&cdc_acm -> ux_slave_class_cdc_acm_endpoint_in_mutex);
/* Out Mutex. */
_ux_utility_mutex_delete(&cdc_acm -> ux_slave_class_cdc_acm_endpoint_out_mutex);
#ifndef UX_DEVICE_CLASS_CDC_ACM_TRANSMISSION_DISABLE
/* Free resources and return error. */
_ux_utility_thread_delete(&cdc_acm -> ux_slave_class_cdc_acm_bulkin_thread);
_ux_utility_thread_delete(&cdc_acm -> ux_slave_class_cdc_acm_bulkout_thread);
_ux_utility_event_flags_delete(&cdc_acm -> ux_slave_class_cdc_acm_event_flags_group);
_ux_utility_memory_free(cdc_acm -> ux_slave_class_cdc_acm_bulkout_thread_stack);
#endif
#endif
/* Free the resources. */
_ux_utility_memory_free(cdc_acm);
}
/* Return completion status. */
return(UX_SUCCESS);
}