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 PIMA 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_pima.h"
29 #include "ux_device_stack.h"
30
31
32 /**************************************************************************/
33 /* */
34 /* FUNCTION RELEASE */
35 /* */
36 /* _ux_device_class_pima_deactivate PORTABLE C */
37 /* 6.3.0 */
38 /* AUTHOR */
39 /* */
40 /* Chaoqiong Xiao, Microsoft Corporation */
41 /* */
42 /* DESCRIPTION */
43 /* */
44 /* This function deactivate an instance of the pima 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 Abort all transfers */
57 /* */
58 /* CALLED BY */
59 /* */
60 /* PIMA Class */
61 /* */
62 /* RELEASE HISTORY */
63 /* */
64 /* DATE NAME DESCRIPTION */
65 /* */
66 /* 05-19-2020 Chaoqiong Xiao Initial Version 6.0 */
67 /* 09-30-2020 Chaoqiong Xiao Modified comment(s), */
68 /* resulting in version 6.1 */
69 /* 07-29-2022 Chaoqiong Xiao Modified comment(s), */
70 /* fixed parameter/variable */
71 /* names conflict C++ keyword, */
72 /* resulting in version 6.1.12 */
73 /* 10-31-2023 Chaoqiong Xiao Modified comment(s), */
74 /* supported optional INT EP, */
75 /* resulting in version 6.3.0 */
76 /* */
77 /**************************************************************************/
_ux_device_class_pima_deactivate(UX_SLAVE_CLASS_COMMAND * command)78 UINT _ux_device_class_pima_deactivate(UX_SLAVE_CLASS_COMMAND *command)
79 {
80
81 UX_SLAVE_CLASS_PIMA *pima;
82 UX_SLAVE_CLASS *class_ptr;
83
84 /* Get the class container. */
85 class_ptr = command -> ux_slave_class_command_class_ptr;
86
87 /* Store the class instance in the container. */
88 pima = (UX_SLAVE_CLASS_PIMA *) class_ptr -> ux_slave_class_instance;
89
90 /* Terminate the transactions pending on the endpoints. */
91 _ux_device_stack_transfer_all_request_abort(pima -> ux_device_class_pima_bulk_in_endpoint, UX_TRANSFER_BUS_RESET);
92 _ux_device_stack_transfer_all_request_abort(pima -> ux_device_class_pima_bulk_out_endpoint, UX_TRANSFER_BUS_RESET);
93 if (pima -> ux_device_class_pima_interrupt_endpoint)
94 _ux_device_stack_transfer_all_request_abort(pima -> ux_device_class_pima_interrupt_endpoint, UX_TRANSFER_BUS_RESET);
95
96 /* Session is now closed. */
97 pima -> ux_device_class_pima_session_id = 0;
98
99 /* If there is a deactivate function call it. */
100 if (pima -> ux_device_class_pima_instance_deactivate != UX_NULL)
101 {
102 /* Invoke the application. */
103 pima -> ux_device_class_pima_instance_deactivate(pima);
104 }
105
106 /* If trace is enabled, insert this event into the trace buffer. */
107 UX_TRACE_IN_LINE_INSERT(UX_TRACE_DEVICE_CLASS_PIMA_DEACTIVATE, pima, 0, 0, 0, UX_TRACE_DEVICE_CLASS_EVENTS, 0, 0)
108
109 /* If trace is enabled, register this object. */
110 UX_TRACE_OBJECT_UNREGISTER(pima);
111
112 /* Return completion status. */
113 return(UX_SUCCESS);
114 }
115
116
