1 /***************************************************************************
2 * Copyright (c) 2024 Microsoft Corporation
3 *
4 * This program and the accompanying materials are made available under the
5 * terms of the MIT License which is available at
6 * https://opensource.org/licenses/MIT.
7 *
8 * SPDX-License-Identifier: MIT
9 **************************************************************************/
10
11
12 /**************************************************************************/
13 /**************************************************************************/
14 /** */
15 /** USBX Component */
16 /** */
17 /** Device Stack */
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_stack.h"
29
30
31 /**************************************************************************/
32 /* */
33 /* FUNCTION RELEASE */
34 /* */
35 /* _ux_device_stack_microsoft_extension_register PORTABLE C */
36 /* 6.1 */
37 /* AUTHOR */
38 /* */
39 /* Chaoqiong Xiao, Microsoft Corporation */
40 /* */
41 /* DESCRIPTION */
42 /* */
43 /* This function registers the Microsoft extensions to support vendor */
44 /* commands before the device is configured. */
45 /* */
46 /* INPUT */
47 /* */
48 /* vendor_command Vendor Command. */
49 /* application_callback Application Callback */
50 /* */
51 /* OUTPUT */
52 /* */
53 /* Completion Status */
54 /* */
55 /* CALLS */
56 /* */
57 /* None */
58 /* */
59 /* CALLED BY */
60 /* */
61 /* Application */
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 /* */
71 /**************************************************************************/
_ux_device_stack_microsoft_extension_register(ULONG vendor_request,UINT (* vendor_request_function)(ULONG,ULONG,ULONG,ULONG,UCHAR *,ULONG *))72 UINT _ux_device_stack_microsoft_extension_register(ULONG vendor_request,
73 UINT (*vendor_request_function)(ULONG, ULONG, ULONG, ULONG, UCHAR *, ULONG *))
74 {
75
76
77 /* If trace is enabled, insert this event into the trace buffer. */
78 UX_TRACE_IN_LINE_INSERT(UX_TRACE_DEVICE_STACK_MICROSOFT_EXTENSION_REGISTER, 0, 0, 0, 0, UX_TRACE_DEVICE_STACK_EVENTS, 0, 0)
79
80 /* Store the vendor command. */
81 _ux_system_slave -> ux_system_slave_device_vendor_request = vendor_request;
82 _ux_system_slave -> ux_system_slave_device_vendor_request_function = vendor_request_function;
83
84 /* Return successful completion. */
85 return(UX_SUCCESS);
86 }
87
88
