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 /* Disable ThreadX error checking. */
27
28 #ifndef LX_DISABLE_ERROR_CHECKING
29 #define LX_DISABLE_ERROR_CHECKING
30 #endif
31
32
33 /* Include necessary system files. */
34
35 #include "lx_api.h"
36
37
38 /**************************************************************************/
39 /* */
40 /* FUNCTION RELEASE */
41 /* */
42 /* _lx_nand_flash_sectors_read PORTABLE C */
43 /* 6.2.1 */
44 /* AUTHOR */
45 /* */
46 /* Xiuwen Cai, Microsoft Corporation */
47 /* */
48 /* DESCRIPTION */
49 /* */
50 /* This function reads multiple logical sectors from NAND flash. */
51 /* */
52 /* INPUT */
53 /* */
54 /* nand_flash NAND flash instance */
55 /* logical_sector Logical sector number */
56 /* buffer Pointer to buffer to read into*/
57 /* (the size is number of */
58 /* bytes in a page) */
59 /* sector_count Number of sector to read */
60 /* */
61 /* OUTPUT */
62 /* */
63 /* return status */
64 /* */
65 /* CALLS */
66 /* */
67 /* _lx_nand_flash_sector_read Read a sector */
68 /* */
69 /* CALLED BY */
70 /* */
71 /* Application Code */
72 /* */
73 /* RELEASE HISTORY */
74 /* */
75 /* DATE NAME DESCRIPTION */
76 /* */
77 /* 03-08-2023 Xiuwen Cai Initial Version 6.2.1 */
78 /* */
79 /**************************************************************************/
_lx_nand_flash_sectors_read(LX_NAND_FLASH * nand_flash,ULONG logical_sector,VOID * buffer,ULONG sector_count)80 UINT _lx_nand_flash_sectors_read(LX_NAND_FLASH *nand_flash, ULONG logical_sector, VOID *buffer, ULONG sector_count)
81 {
82
83 UINT status = LX_SUCCESS;
84 UINT i;
85
86
87 /* Loop to read all the sectors. */
88 for (i = 0; i < sector_count; i++)
89 {
90
91 /* Read one sector. */
92 status = _lx_nand_flash_sector_read(nand_flash, logical_sector + i, ((UCHAR*)buffer) + i * nand_flash -> lx_nand_flash_bytes_per_page);
93
94 /* Check return status. */
95 if (status)
96 {
97
98 /* Error, break the loop. */
99 break;
100 }
101 }
102
103 /* Return status. */
104 return(status);
105 }
106
107
