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 /**   Storage Class                                                       */
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_class_storage.h"
30 #include "ux_host_stack.h"
31 
32 
33 #if defined(UX_HOST_STANDALONE)
34 /**************************************************************************/
35 /*                                                                        */
36 /*  FUNCTION                                               RELEASE        */
37 /*                                                                        */
38 /*    _ux_host_class_storage_media_check                  PORTABLE C      */
39 /*                                                           6.1.10       */
40 /*  AUTHOR                                                                */
41 /*                                                                        */
42 /*    Chaoqiong Xiao, Microsoft Corporation                               */
43 /*                                                                        */
44 /*  DESCRIPTION                                                           */
45 /*                                                                        */
46 /*    This function runs state machine to check and mount/unmount storage */
47 /*    media for current selected logic unit number (LUN).                 */
48 /*                                                                        */
49 /*    It's valid only in standalone mode.                                 */
50 /*    It's blocking.                                                      */
51 /*                                                                        */
52 /*  INPUT                                                                 */
53 /*                                                                        */
54 /*    storage                               Pointer to storage class      */
55 /*    sector_start                          Starting sector               */
56 /*    sector_count                          Number of sectors to read     */
57 /*    data_pointer                          Pointer to data to read       */
58 /*                                                                        */
59 /*  OUTPUT                                                                */
60 /*                                                                        */
61 /*    Completion Status                                                   */
62 /*                                                                        */
63 /*  CALLS                                                                 */
64 /*                                                                        */
65 /*    _ux_host_class_storage_check_run      Runs check state machine      */
66 /*                                                                        */
67 /*  CALLED BY                                                             */
68 /*                                                                        */
69 /*    Storage Class                                                       */
70 /*                                                                        */
71 /*  RELEASE HISTORY                                                       */
72 /*                                                                        */
73 /*    DATE              NAME                      DESCRIPTION             */
74 /*                                                                        */
75 /*  05-19-2020     Chaoqiong Xiao           Initial Version 6.1.10        */
76 /*                                                                        */
77 /**************************************************************************/
_ux_host_class_storage_media_check(UX_HOST_CLASS_STORAGE * storage)78 UINT  _ux_host_class_storage_media_check(UX_HOST_CLASS_STORAGE *storage)
79 {
80 UINT            status;
81     do {
82         status = _ux_host_class_storage_check_run(storage);
83     } while(status == UX_STATE_WAIT);
84     return(storage -> ux_host_class_storage_status);
85 }
86 #endif
87