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 Storage Class                                                */
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_class_storage.h"
30 #include "ux_device_stack.h"
31 
32 
33 /**************************************************************************/
34 /*                                                                        */
35 /*  FUNCTION                                               RELEASE        */
36 /*                                                                        */
37 /*    _ux_device_class_storage_verify                     PORTABLE C      */
38 /*                                                           6.1          */
39 /*  AUTHOR                                                                */
40 /*                                                                        */
41 /*    Chaoqiong Xiao, Microsoft Corporation                               */
42 /*                                                                        */
43 /*  DESCRIPTION                                                           */
44 /*                                                                        */
45 /*    This function verifies a previous write command.                    */
46 /*    Here, the CSW is returned with a SUCCESS code.                      */
47 /*                                                                        */
48 /*  INPUT                                                                 */
49 /*                                                                        */
50 /*    storage                               Pointer to storage class      */
51 /*    endpoint_in                           Pointer to IN endpoint        */
52 /*    endpoint_out                          Pointer to OUT endpoint       */
53 /*    cbwcb                                 Pointer to CBWCB              */
54 /*                                                                        */
55 /*  OUTPUT                                                                */
56 /*                                                                        */
57 /*    Completion Status                                                   */
58 /*                                                                        */
59 /*  CALLS                                                                 */
60 /*                                                                        */
61 /*    _ux_device_class_storage_csw_send     Send CSW                      */
62 /*                                                                        */
63 /*  CALLED BY                                                             */
64 /*                                                                        */
65 /*    Device Storage Class                                                */
66 /*                                                                        */
67 /*  RELEASE HISTORY                                                       */
68 /*                                                                        */
69 /*    DATE              NAME                      DESCRIPTION             */
70 /*                                                                        */
71 /*  05-19-2020     Chaoqiong Xiao           Initial Version 6.0           */
72 /*  09-30-2020     Chaoqiong Xiao           Modified comment(s),          */
73 /*                                            optimized command logic,    */
74 /*                                            resulting in version 6.1    */
75 /*                                                                        */
76 /**************************************************************************/
_ux_device_class_storage_verify(UX_SLAVE_CLASS_STORAGE * storage,ULONG lun,UX_SLAVE_ENDPOINT * endpoint_in,UX_SLAVE_ENDPOINT * endpoint_out,UCHAR * cbwcb)77 UINT  _ux_device_class_storage_verify(UX_SLAVE_CLASS_STORAGE *storage, ULONG lun,
78                                       UX_SLAVE_ENDPOINT *endpoint_in,
79                                       UX_SLAVE_ENDPOINT *endpoint_out, UCHAR * cbwcb)
80 {
81 
82     UX_PARAMETER_NOT_USED(lun);
83     UX_PARAMETER_NOT_USED(cbwcb);
84     UX_PARAMETER_NOT_USED(endpoint_in);
85     UX_PARAMETER_NOT_USED(endpoint_out);
86 
87     /* If trace is enabled, insert this event into the trace buffer.  */
88     UX_TRACE_IN_LINE_INSERT(UX_TRACE_DEVICE_CLASS_STORAGE_VERIFY, storage, lun, 0, 0, UX_TRACE_DEVICE_CLASS_EVENTS, 0, 0)
89 
90     /* We set the CSW with success.  */
91     storage -> ux_slave_class_storage_csw_status = UX_SLAVE_CLASS_STORAGE_CSW_PASSED;
92 
93     /* Return success!  */
94     return(UX_SUCCESS);
95 }
96 
97