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 /** Device Stack */
19 /** */
20 /**************************************************************************/
21 /**************************************************************************/
22
23 #define UX_SOURCE_CODE
24
25
26 /* Include necessary system files. */
27
28 #include "ux_api.h"
29 #include "ux_device_stack.h"
30
31
32 /**************************************************************************/
33 /* */
34 /* FUNCTION RELEASE */
35 /* */
36 /* _ux_device_stack_transfer_all_request_abort PORTABLE C */
37 /* 6.1 */
38 /* AUTHOR */
39 /* */
40 /* Chaoqiong Xiao, Microsoft Corporation */
41 /* */
42 /* DESCRIPTION */
43 /* */
44 /* This function cancels all the transfer requests attached to an */
45 /* endpoint. The endpoint is not reset and its toggle state is left */
46 /* the same. */
47 /* */
48 /* INPUT */
49 /* */
50 /* transfer_request Pointer to transfer request */
51 /* completion_code Completion code */
52 /* */
53 /* OUTPUT */
54 /* */
55 /* Completion Status */
56 /* */
57 /* CALLS */
58 /* */
59 /* _ux_device_stack_transfer_abort Transfer abort */
60 /* */
61 /* CALLED BY */
62 /* */
63 /* Device Stack */
64 /* */
65 /* RELEASE HISTORY */
66 /* */
67 /* DATE NAME DESCRIPTION */
68 /* */
69 /* 05-19-2020 Chaoqiong Xiao Initial Version 6.0 */
70 /* 09-30-2020 Chaoqiong Xiao Modified comment(s), */
71 /* resulting in version 6.1 */
72 /* */
73 /**************************************************************************/
_ux_device_stack_transfer_all_request_abort(UX_SLAVE_ENDPOINT * endpoint,ULONG completion_code)74 UINT _ux_device_stack_transfer_all_request_abort(UX_SLAVE_ENDPOINT *endpoint, ULONG completion_code)
75 {
76
77 UX_SLAVE_TRANSFER *transfer_request;
78
79 /* If trace is enabled, insert this event into the trace buffer. */
80 UX_TRACE_IN_LINE_INSERT(UX_TRACE_DEVICE_STACK_TRANSFER_ALL_REQUEST_ABORT, endpoint, completion_code, 0, 0, UX_TRACE_DEVICE_STACK_EVENTS, 0, 0)
81
82 /* Get the transfer request for this endpoint. */
83 transfer_request = &endpoint -> ux_slave_endpoint_transfer_request;
84
85 /* Abort this request. */
86 _ux_device_stack_transfer_abort(transfer_request, completion_code);
87
88 /* Return successful completion. */
89 return(UX_SUCCESS);
90 }
91
92
