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 /** Host Stack */
19 /** */
20 /**************************************************************************/
21 /**************************************************************************/
22
23
24 /* Include necessary system files. */
25
26 #define UX_SOURCE_CODE
27
28 #include "ux_api.h"
29 #include "ux_host_stack.h"
30
31
32 /**************************************************************************/
33 /* */
34 /* FUNCTION RELEASE */
35 /* */
36 /* _ux_host_stack_hcd_transfer_request PORTABLE C */
37 /* 6.1 */
38 /* AUTHOR */
39 /* */
40 /* Chaoqiong Xiao, Microsoft Corporation */
41 /* */
42 /* DESCRIPTION */
43 /* */
44 /* This function will route the transfer_request to the appropriate */
45 /* HCD for transfer. */
46 /* */
47 /* INPUT */
48 /* */
49 /* transfer_request Pointer to transfer request */
50 /* */
51 /* OUTPUT */
52 /* */
53 /* Completion Status */
54 /* */
55 /* CALLS */
56 /* */
57 /* (ux_hcd_entry_function) HCD's entry function */
58 /* */
59 /* CALLED BY */
60 /* */
61 /* USBX Components */
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 /* optimized based on compile */
70 /* definitions, */
71 /* resulting in version 6.1 */
72 /* */
73 /**************************************************************************/
_ux_host_stack_hcd_transfer_request(UX_TRANSFER * transfer_request)74 UINT _ux_host_stack_hcd_transfer_request(UX_TRANSFER *transfer_request)
75 {
76
77 UINT status;
78 UX_HCD *hcd;
79
80 /* Obtain the HCD. */
81 hcd = UX_DEVICE_HCD_GET(transfer_request -> ux_transfer_request_endpoint -> ux_endpoint_device);
82
83 /* Call the HCD entry function to process the transfer request. */
84 status = hcd -> ux_hcd_entry_function(hcd, UX_HCD_TRANSFER_REQUEST, (VOID *) transfer_request);
85
86 /* Return completion status. */
87 return(status);
88 }
89
90
