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 /** USBX Component */
16 /** */
17 /** Device CCID Class */
18 /** */
19 /**************************************************************************/
20 /**************************************************************************/
21
22 #define UX_SOURCE_CODE
23
24
25 /* Include necessary system files. */
26
27 #include "ux_api.h"
28 #include "ux_device_class_ccid.h"
29 #include "ux_device_stack.h"
30
31
32 /**************************************************************************/
33 /* */
34 /* FUNCTION RELEASE */
35 /* */
36 /* _ux_device_class_ccid_deactivate PORTABLE C */
37 /* 6.1.11 */
38 /* AUTHOR */
39 /* */
40 /* Chaoqiong Xiao, Microsoft Corporation */
41 /* */
42 /* DESCRIPTION */
43 /* */
44 /* This function deactivate an instance of the ccid class. */
45 /* */
46 /* INPUT */
47 /* */
48 /* command Pointer to a class command */
49 /* */
50 /* OUTPUT */
51 /* */
52 /* Completion Status */
53 /* */
54 /* CALLS */
55 /* */
56 /* _ux_device_stack_transfer_all_request_abort */
57 /* Abort all transfers */
58 /* */
59 /* CALLED BY */
60 /* */
61 /* CCID Class */
62 /* */
63 /* RELEASE HISTORY */
64 /* */
65 /* DATE NAME DESCRIPTION */
66 /* */
67 /* 04-25-2022 Chaoqiong Xiao Initial Version 6.1.11 */
68 /* */
69 /**************************************************************************/
_ux_device_class_ccid_deactivate(UX_SLAVE_CLASS_COMMAND * command)70 UINT _ux_device_class_ccid_deactivate(UX_SLAVE_CLASS_COMMAND *command)
71 {
72
73 UX_DEVICE_CLASS_CCID *ccid;
74 UX_SLAVE_CLASS *ccid_class;
75 UX_SLAVE_ENDPOINT *endpoint;
76
77 /* Get the class container. */
78 ccid_class = command -> ux_slave_class_command_class_ptr;
79
80 /* Get the class instance in the container. */
81 ccid = (UX_DEVICE_CLASS_CCID *) ccid_class -> ux_slave_class_instance;
82
83 /* Terminate the transactions pending on the endpoints. */
84 endpoint = ccid -> ux_device_class_ccid_endpoint_out;
85 _ux_device_stack_transfer_all_request_abort(endpoint, UX_TRANSFER_BUS_RESET);
86
87 endpoint = ccid -> ux_device_class_ccid_endpoint_in;
88 _ux_device_stack_transfer_all_request_abort(endpoint, UX_TRANSFER_BUS_RESET);
89
90 endpoint = ccid -> ux_device_class_ccid_endpoint_notify;
91 if (endpoint)
92 _ux_device_stack_transfer_all_request_abort(endpoint, UX_TRANSFER_BUS_RESET);
93
94 /* If there is a deactivate function call it. */
95 if (ccid -> ux_device_class_ccid_parameter.ux_device_class_ccid_instance_deactivate != UX_NULL)
96 {
97
98 /* Invoke the application. */
99 ccid -> ux_device_class_ccid_parameter.ux_device_class_ccid_instance_deactivate(ccid);
100 }
101
102 /* If trace is enabled, insert this event into the trace buffer. */
103 UX_TRACE_IN_LINE_INSERT(UX_TRACE_DEVICE_CLASS_CCID_DEACTIVATE, ccid, 0, 0, 0, UX_TRACE_DEVICE_CLASS_EVENTS, 0, 0)
104
105 /* If trace is enabled, register this object. */
106 UX_TRACE_OBJECT_UNREGISTER(ccid);
107
108 /* Return completion status. */
109 return(UX_SUCCESS);
110 }
111
