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 /** LevelX Component                                                      */
17 /**                                                                       */
18 /**   NAND Flash                                                          */
19 /**                                                                       */
20 /**************************************************************************/
21 /**************************************************************************/
22 
23 #define LX_SOURCE_CODE
24 
25 
26 /* Include necessary system files.  */
27 
28 #include "lx_api.h"
29 
30 
31 /* Define the NAND flash opened list head and opened count.  */
32 
33 LX_NAND_FLASH   *_lx_nand_flash_opened_ptr;
34 ULONG           _lx_nand_flash_opened_count;
35 
36 
37 /**************************************************************************/
38 /*                                                                        */
39 /*  FUNCTION                                               RELEASE        */
40 /*                                                                        */
41 /*    _lx_nand_flash_initialize                           PORTABLE C      */
42 /*                                                           6.1          */
43 /*  AUTHOR                                                                */
44 /*                                                                        */
45 /*    William E. Lamie, Microsoft Corporation                             */
46 /*                                                                        */
47 /*  DESCRIPTION                                                           */
48 /*                                                                        */
49 /*    This function initializes the NAND flash data structures.           */
50 /*                                                                        */
51 /*  INPUT                                                                 */
52 /*                                                                        */
53 /*    None                                                                */
54 /*                                                                        */
55 /*  OUTPUT                                                                */
56 /*                                                                        */
57 /*    return status                                                       */
58 /*                                                                        */
59 /*  CALLS                                                                 */
60 /*                                                                        */
61 /*    None                                                                */
62 /*                                                                        */
63 /*  CALLED BY                                                             */
64 /*                                                                        */
65 /*    Application Code                                                    */
66 /*                                                                        */
67 /*  RELEASE HISTORY                                                       */
68 /*                                                                        */
69 /*    DATE              NAME                      DESCRIPTION             */
70 /*                                                                        */
71 /*  05-19-2020     William E. Lamie         Initial Version 6.0           */
72 /*  09-30-2020     William E. Lamie         Modified comment(s),          */
73 /*                                            resulting in version 6.1    */
74 /*                                                                        */
75 /**************************************************************************/
_lx_nand_flash_initialize(void)76 UINT  _lx_nand_flash_initialize(void)
77 {
78 
79     /* Clear open list head pointer and opened count.  */
80     _lx_nand_flash_opened_ptr =    LX_NULL;
81     _lx_nand_flash_opened_count =  0;
82 
83     /* Return success!  */
84     return(LX_SUCCESS);
85 }
86 
87