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 /** EHCI Controller Driver */
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_hcd_ehci.h"
30 #include "ux_host_stack.h"
31
32
33 /**************************************************************************/
34 /* */
35 /* FUNCTION RELEASE */
36 /* */
37 /* _ux_hcd_ehci_fsisochronous_tds_process PORTABLE C */
38 /* 6.1.10 */
39 /* AUTHOR */
40 /* */
41 /* Chaoqiong Xiao, Microsoft Corporation */
42 /* */
43 /* DESCRIPTION */
44 /* */
45 /* This function processes the isochronous, periodic and asynchronous */
46 /* lists in search for transfers that occurred in the past */
47 /* (micro-)frame. */
48 /* */
49 /* INPUT */
50 /* */
51 /* hcd_ehci Pointer to HCD EHCI */
52 /* prev_itd Pointer to pointer point to */
53 /* previous FSISO TD */
54 /* itd Pointer to FSISO TD */
55 /* */
56 /* OUTPUT */
57 /* */
58 /* UX_EHCI_HSISO_TD Pointer to FSISO TD */
59 /* */
60 /* CALLS */
61 /* */
62 /* (ux_transfer_request_completion_function) Completion function */
63 /* _ux_host_semaphore_put Put semaphore */
64 /* _ux_utility_physical_address Get physical address */
65 /* */
66 /* CALLED BY */
67 /* */
68 /* EHCI Controller Driver */
69 /* */
70 /* RELEASE HISTORY */
71 /* */
72 /* DATE NAME DESCRIPTION */
73 /* */
74 /* 05-19-2020 Chaoqiong Xiao Initial Version 6.0 */
75 /* 09-30-2020 Chaoqiong Xiao Modified comment(s), */
76 /* resulting in version 6.1 */
77 /* 01-31-2022 Chaoqiong Xiao Modified comment(s), */
78 /* resulting in version 6.1.10 */
79 /* */
80 /**************************************************************************/
_ux_hcd_ehci_fsisochronous_tds_process(UX_HCD_EHCI * hcd_ehci,UX_EHCI_FSISO_TD * itd)81 UX_EHCI_FSISO_TD* _ux_hcd_ehci_fsisochronous_tds_process(
82 UX_HCD_EHCI *hcd_ehci,
83 UX_EHCI_FSISO_TD* itd)
84 {
85
86 UX_PARAMETER_NOT_USED(hcd_ehci);
87
88 /* TBD */
89
90 return(itd -> ux_ehci_fsiso_td_next_scan_td);
91 }
92
93
