Hello,
I send a ticket because I have an issue to access and write files to a SD Card with NRF54L15DK and 3.1.0 SDK and toolchain.
Can you help me please ?
Here is my configuration files :
main.c
/*
* Copyright (c) 2019 Tavish Naruka <[email protected]>
* Copyright (c) 2023 Nordic Semiconductor ASA
* Copyright (c) 2023 Antmicro <www.antmicro.com>
*
* SPDX-License-Identifier: Apache-2.0
*/
/* Sample which uses the filesystem API and SDHC driver */
#include <zephyr/kernel.h>
#include <zephyr/device.h>
#include <zephyr/storage/disk_access.h>
#include <zephyr/logging/log.h>
#include <zephyr/fs/fs.h>
#if defined(CONFIG_FAT_FILESYSTEM_ELM)
#include <ff.h>
PARTITION VolToPart[] = {
{0, 1}, /* SD1 -> partition 1 */
{0, 2}, /* SD2 -> partition 2 */
};
/*
* Note the fatfs library is able to mount only strings inside _VOLUME_STRS
* in ffconf.h
*/
#if defined(CONFIG_DISK_DRIVER_MMC)
#define DISK_DRIVE_NAME "SDHC0"
#else
#define DISK_DRIVE_NAME "SDHC0"
#endif
#define DISK_MOUNT_PT "/"DISK_DRIVE_NAME":"
#define DISK_MOUNT_PTSD1 "/SD"
#define DISK_MOUNT_PTSD2 "/SD1"
#define MAX_PARTS 2 /* jusqu’à 4 partitions possibles */
/* Un FATFS par partition */
static FATFS fat_fs[MAX_PARTS];
static struct fs_mount_t mp[MAX_PARTS];
static const char *disk_names[MAX_PARTS] = {
"SD", "SD1"
};
static const char *mount_points[MAX_PARTS] = {
"/SD", "/SD1"
};
// static FATFS fat_fs;
// /* mounting info */
// static struct fs_mount_t mp = {
// .type = FS_FATFS,
// .fs_data = &fat_fs,
// };
#elif defined(CONFIG_FILE_SYSTEM_EXT2)
#include <zephyr/fs/ext2.h>
#define DISK_DRIVE_NAME "SDHC0"
#define DISK_MOUNT_PT "/ext"
static struct fs_mount_t mp = {
.type = FS_EXT2,
.flags = FS_MOUNT_FLAG_NO_FORMAT,
.storage_dev = (void *)DISK_DRIVE_NAME,
.mnt_point = "/ext",
};
#endif
#if defined(CONFIG_FAT_FILESYSTEM_ELM)
#define FS_RET_OK FR_OK
#else
#define FS_RET_OK 0
#endif
LOG_MODULE_REGISTER(main);
// #define MAX_PATH 128
// #define SOME_FILE_NAME "some.dat"
// #define SOME_DIR_NAME "some"
// #define SOME_REQUIRED_LEN MAX(sizeof(SOME_FILE_NAME), sizeof(SOME_DIR_NAME))
static int lsdir(const char *path);
// #ifdef CONFIG_FS_SAMPLE_CREATE_SOME_ENTRIES
// static bool create_some_entries(const char *base_path)
// {
// char path[MAX_PATH];
// struct fs_file_t file;
// int base = strlen(base_path);
// fs_file_t_init(&file);
// if (base >= (sizeof(path) - SOME_REQUIRED_LEN)) {
// LOG_ERR("Not enough concatenation buffer to create file paths");
// return false;
// }
// LOG_INF("Creating some dir entries in %s", base_path);
// strncpy(path, base_path, sizeof(path));
// path[base++] = '/';
// path[base] = 0;
// strcat(&path[base], SOME_FILE_NAME);
// if (fs_open(&file, path, FS_O_CREATE) != 0) {
// LOG_ERR("Failed to create file %s", path);
// return false;
// }
// fs_close(&file);
// path[base] = 0;
// strcat(&path[base], SOME_DIR_NAME);
// if (fs_mkdir(path) != 0) {
// LOG_ERR("Failed to create dir %s", path);
// /* If code gets here, it has at least successes to create the
// * file so allow function to return true.
// */
// }
// return true;
// }
// #endif
static const char *disk_mount_pt = DISK_MOUNT_PT;
static const char *disk_mount_ptSD1 = DISK_MOUNT_PTSD1;
static const char *disk_mount_ptSD2 = DISK_MOUNT_PTSD2;
void mount_all_partitions(void)
{
for (int i = 0; i < MAX_PARTS; i++) {
mp[i].type = FS_FATFS;
mp[i].fs_data = &fat_fs[i];
// .fs_data = &fat_fs
if (i == 0) {
mp[i].mnt_point = disk_mount_ptSD1;
}
if (i == 1) {
mp[i].mnt_point = disk_mount_ptSD2;
}
if (i == 0) {
mp[i].storage_dev = (void *)"SD";
}
if (i == 1) {
mp[i].storage_dev = (void *)"SD1";
}
int res = fs_mount(&mp[i]);
if (res == FR_OK) {
printk("Partition %s montée sur %s\n", disk_names[i], mount_points[i]);
} else {
printk("Partition %s non montée (code %d)\n", disk_names[i], res);
}
}
}
void UNmount_all_partitions(void)
{
for (int i = 0; i < MAX_PARTS; i++) {
mp[i].type = FS_FATFS;
mp[i].mnt_point = mount_points[i];
mp[i].fs_data = &fat_fs[i];
mp[i].storage_dev = (void *)disk_names[i];
int res = fs_unmount(&mp[i]);
if (res == FR_OK) {
printk("Partition %s demontée sur %s\n", disk_names[i], mount_points[i]);
} else {
printk("Partition %s non demontée (code %d)\n", disk_names[i], res);
}
}
}
static void write_to_sd()
{
char file_path[64];
struct fs_file_t file;
int ret;
/* Construire le chemin du fichier */
strcpy(file_path, "/SD/test.txt");
fs_file_t_init(&file);
/* Ouvrir (ou créer) le fichier en écriture */
ret = fs_open(&file, file_path, FS_O_CREATE | FS_O_WRITE);
if (ret) {
LOG_ERR("Erreur d'ouverture du fichier (%d)", ret);
return;
}
/* Données à écrire */
const char msg[] = "Hello SD card from nRF54L15!\n";
/* Écriture */
ret = fs_write(&file, msg, sizeof(msg) - 1);
if (ret < 0) {
LOG_ERR("Erreur d'écriture (%d)", ret);
fs_close(&file);
return;
}
LOG_INF("Écrit %d octets dans %s", ret, file_path);
/* Fermer le fichier */
fs_close(&file);
/* Lire pour vérifier */
ret = fs_open(&file, file_path, FS_O_READ);
if (ret) {
LOG_ERR("Erreur de réouverture du fichier (%d)", ret);
return;
}
char buf[64];
int n = fs_read(&file, buf, sizeof(buf) - 1);
if (n >= 0) {
buf[n] = '\0';
LOG_INF("Contenu lu : %s", buf);
} else {
LOG_ERR("Erreur de lecture (%d)", n);
}
fs_close(&file);
/* Construire le chemin du fichier */
strcpy(file_path, "/SD1/test.txt");
fs_file_t_init(&file);
/* Ouvrir (ou créer) le fichier en écriture */
ret = fs_open(&file, file_path, FS_O_CREATE | FS_O_WRITE);
if (ret) {
LOG_ERR("Erreur d'ouverture du fichier (%d)", ret);
return;
}
/* Données à écrire */
const char msg2[] = "Hello SD card from nRF54L15!\n";
/* Écriture */
ret = fs_write(&file, msg2, sizeof(msg2) - 1);
if (ret < 0) {
LOG_ERR("Erreur d'écriture (%d)", ret);
fs_close(&file);
return;
}
LOG_INF("Écrit %d octets dans %s", ret, file_path);
/* Fermer le fichier */
fs_close(&file);
/* Lire pour vérifier */
ret = fs_open(&file, file_path, FS_O_READ);
if (ret) {
LOG_ERR("Erreur de réouverture du fichier (%d)", ret);
return;
}
n = fs_read(&file, buf, sizeof(buf) - 1);
if (n >= 0) {
buf[n] = '\0';
LOG_INF("Contenu lu : %s", buf);
} else {
LOG_ERR("Erreur de lecture (%d)", n);
}
fs_close(&file);
}
/* Petit utilitaire pour inspecter le MBR et afficher les partitions trouvées */
static void print_mbr_info(void)
{
uint8_t mbr[512];
if (disk_access_read("SD", mbr, 0, 1) != 0) {
printk("Impossible de lire le MBR (disk_access_read)\n");
return;
}
printk("MBR signature: 0x%02x%02x\n", mbr[510], mbr[511]);
for (int i = 0; i < 4; i++) {
uint8_t part_type = mbr[446 + i*16 + 4];
uint32_t start_lba = mbr[446 + i*16 + 8] |
(mbr[446 + i*16 + 9] << 8) |
(mbr[446 + i*16 + 10] << 16) |
(mbr[446 + i*16 + 11] << 24);
uint32_t num_sectors = mbr[446 + i*16 + 12] |
(mbr[446 + i*16 + 13] << 8) |
(mbr[446 + i*16 + 14] << 16) |
(mbr[446 + i*16 + 15] << 24);
if (part_type != 0) {
printk("Partition %d: type=0x%02x start=%u sectors=%u\n",
i+1, part_type, start_lba, num_sectors);
}
}
}
void init_sd_card(void)
{
const char *disk_pdrv = "SD";
int ret;
ret = disk_access_init(disk_pdrv);
if (ret != 0) {
printk("Erreur init SD card (%d)\n", ret);
} else {
printk("SD card initialisée\n");
}
}
int main(void)
{
// /* raw disk i/o */
// do {
// static const char *disk_pdrv = "SD";
// uint64_t memory_size_mb;
// uint32_t block_count;
// uint32_t block_size;
// if (disk_access_ioctl(disk_pdrv,
// DISK_IOCTL_CTRL_INIT, NULL) != 0) {
// LOG_ERR("Storage init ERROR!");
// break;
// }
// if (disk_access_ioctl(disk_pdrv,
// DISK_IOCTL_GET_SECTOR_COUNT, &block_count)) {
// LOG_ERR("Unable to get sector count");
// break;
// }
// LOG_INF("Block count %u", block_count);
// if (disk_access_ioctl(disk_pdrv,
// DISK_IOCTL_GET_SECTOR_SIZE, &block_size)) {
// LOG_ERR("Unable to get sector size");
// break;
// }
// printk("Sector size %u\n", block_size);
// memory_size_mb = (uint64_t)block_count * block_size;
// printk("Memory Size(MB) %u\n", (uint32_t)(memory_size_mb >> 20));
// if (disk_access_ioctl(disk_pdrv,
// DISK_IOCTL_CTRL_DEINIT, NULL) != 0) {
// LOG_ERR("Storage deinit ERROR!");
// break;
// }
// } while (0);
// mp.mnt_point = disk_mount_pt;
// int res = fs_mount(&mp);
init_sd_card();
print_mbr_info();
mount_all_partitions();
// if (res == FS_RET_OK) {
// printk("Disk mounted.\n");
// /* Try to unmount and remount the disk */
// res = fs_unmount(&mp);
// if (res != FS_RET_OK) {
// printk("Error unmounting disk\n");
// return res;
// }
// res = fs_mount(&mp);
// if (res != FS_RET_OK) {
// printk("Error remounting disk\n");
// return res;
// }
// if (lsdir(disk_mount_pt) == 0) {
// #ifdef CONFIG_FS_SAMPLE_CREATE_SOME_ENTRIES
// if (create_some_entries(disk_mount_pt)) {
// lsdir(disk_mount_pt);
// }
// #endif
// }
// } else {
// printk("Error mounting disk.\n");
// }
write_to_sd();
// fs_unmount(&mp);
UNmount_all_partitions();
while (1) {
k_sleep(K_MSEC(1000));
}
return 0;
}
/* List dir entry by path
*
* @param path Absolute path to list
*
* @return Negative errno code on error, number of listed entries on
* success.
*/
static int lsdir(const char *path)
{
int res;
struct fs_dir_t dirp;
static struct fs_dirent entry;
int count = 0;
fs_dir_t_init(&dirp);
/* Verify fs_opendir() */
res = fs_opendir(&dirp, path);
if (res) {
printk("Error opening dir %s [%d]\n", path, res);
return res;
}
printk("\nListing dir %s ...\n", path);
for (;;) {
/* Verify fs_readdir() */
res = fs_readdir(&dirp, &entry);
/* entry.name[0] == 0 means end-of-dir */
if (res || entry.name[0] == 0) {
break;
}
if (entry.type == FS_DIR_ENTRY_DIR) {
printk("[DIR ] %s\n", entry.name);
} else {
printk("[FILE] %s (size = %zu)\n",
entry.name, entry.size);
}
count++;
}
/* Verify fs_closedir() */
fs_closedir(&dirp);
if (res == 0) {
res = count;
}
return res;
}
prj.conf
CONFIG_DISK_ACCESS=y
CONFIG_LOG=y
CONFIG_FILE_SYSTEM=y
CONFIG_FAT_FILESYSTEM_ELM=y
CONFIG_PRINTK=y
CONFIG_MAIN_STACK_SIZE=2048
nrf54l15dk_nrf54l15_cpuapp.conf
#
# Copyright (c) 2024 Nordic Semiconductor ASA
#
# SPDX-License-Identifier: Apache-2.0
#
CONFIG_DISK_DRIVER_SDMMC=y
CONFIG_SPI=y
CONFIG_USE_SEGGER_RTT=y
CONFIG_SERIAL=n
CONFIG_CONSOLE=n
CONFIG_UART_CONSOLE=n
nrf54l15dk_nrf54l15_cpuapp.overlay
&spi20 {
status = "okay";
compatible = "nordic,nrf-spim";
pinctrl-0 = <&spi20_default>;
pinctrl-1 = <&spi20_sleep>;
pinctrl-names = "default", "sleep";
cs-gpios = <&gpio1 6 GPIO_ACTIVE_LOW>; // P1.06 - SD_nCS
sdhc0: sdhc@0 {
compatible = "zephyr,sdhc-spi-slot";
reg = <0>;
status = "okay";
mmc {
compatible = "zephyr,sdmmc-disk";
disk-name = "SD";
status = "okay";
};
spi-max-frequency = <24000000>;
};
};
&uart20 {
status = "disabled";
};
&pinctrl {
spi20_default: spi20_default {
group1 {
psels = <NRF_PSEL(SPIM_SCK, 1, 4)>,
<NRF_PSEL(SPIM_MOSI, 1, 7)>,
<NRF_PSEL(SPIM_MISO, 1, 5)>;
};
};
spi20_sleep: spi20_sleep {
group1 {
psels = <NRF_PSEL(SPIM_SCK, 1, 4)>,
<NRF_PSEL(SPIM_MOSI, 1, 7)>,
<NRF_PSEL(SPIM_MISO, 1, 5)>;
low-power-enable;
};
};
};
ff_conf.h
/*---------------------------------------------------------------------------/
/ Configurations of FatFs Module
/---------------------------------------------------------------------------*/
#define FFCONF_DEF 5380 /* Revision ID */
/*---------------------------------------------------------------------------/
/ Function Configurations
/---------------------------------------------------------------------------*/
#define FF_FS_READONLY 0
/* This option switches read-only configuration. (0:Read/Write or 1:Read-only)
/ Read-only configuration removes writing API functions, f_write(), f_sync(),
/ f_unlink(), f_mkdir(), f_chmod(), f_rename(), f_truncate(), f_getfree()
/ and optional writing functions as well. */
#define FF_FS_MINIMIZE 0
/* This option defines minimization level to remove some basic API functions.
/
/ 0: Basic functions are fully enabled.
/ 1: f_stat(), f_getfree(), f_unlink(), f_mkdir(), f_truncate() and f_rename()
/ are removed.
/ 2: f_opendir(), f_readdir() and f_closedir() are removed in addition to 1.
/ 3: f_lseek() function is removed in addition to 2. */
#define FF_USE_FIND 0
/* This option switches filtered directory read functions, f_findfirst() and
/ f_findnext(). (0:Disable, 1:Enable 2:Enable with matching altname[] too) */
#define FF_USE_MKFS 0
/* This option switches f_mkfs(). (0:Disable or 1:Enable) */
#define FF_USE_FASTSEEK 0
/* This option switches fast seek feature. (0:Disable or 1:Enable) */
#define FF_USE_EXPAND 0
/* This option switches f_expand(). (0:Disable or 1:Enable) */
#define FF_USE_CHMOD 0
/* This option switches attribute control API functions, f_chmod() and f_utime().
/ (0:Disable or 1:Enable) Also FF_FS_READONLY needs to be 0 to enable this option. */
#define FF_USE_LABEL 0
/* This option switches volume label API functions, f_getlabel() and f_setlabel().
/ (0:Disable or 1:Enable) */
#define FF_USE_FORWARD 0
/* This option switches f_forward(). (0:Disable or 1:Enable) */
#define FF_USE_STRFUNC 0
#define FF_PRINT_LLI 0
#define FF_PRINT_FLOAT 0
#define FF_STRF_ENCODE 3
/* FF_USE_STRFUNC switches the string API functions, f_gets(), f_putc(), f_puts()
/ and f_printf().
/
/ 0: Disable. FF_PRINT_LLI, FF_PRINT_FLOAT and FF_STRF_ENCODE have no effect.
/ 1: Enable without LF - CRLF conversion.
/ 2: Enable with LF - CRLF conversion.
/
/ FF_PRINT_LLI = 1 makes f_printf() support long long argument and FF_PRINT_FLOAT = 1/2
/ makes f_printf() support floating point argument. These features want C99 or later.
/ When FF_LFN_UNICODE >= 1 with LFN enabled, string API functions convert the character
/ encoding in it. FF_STRF_ENCODE selects assumption of character encoding ON THE FILE
/ to be read/written via those functions.
/
/ 0: ANSI/OEM in current CP
/ 1: Unicode in UTF-16LE
/ 2: Unicode in UTF-16BE
/ 3: Unicode in UTF-8
*/
/*---------------------------------------------------------------------------/
/ Locale and Namespace Configurations
/---------------------------------------------------------------------------*/
#define FF_CODE_PAGE 932
/* This option specifies the OEM code page to be used on the target system.
/ Incorrect code page setting can cause a file open failure.
/
/ 437 - U.S.
/ 720 - Arabic
/ 737 - Greek
/ 771 - KBL
/ 775 - Baltic
/ 850 - Latin 1
/ 852 - Latin 2
/ 855 - Cyrillic
/ 857 - Turkish
/ 860 - Portuguese
/ 861 - Icelandic
/ 862 - Hebrew
/ 863 - Canadian French
/ 864 - Arabic
/ 865 - Nordic
/ 866 - Russian
/ 869 - Greek 2
/ 932 - Japanese (DBCS)
/ 936 - Simplified Chinese (DBCS)
/ 949 - Korean (DBCS)
/ 950 - Traditional Chinese (DBCS)
/ 0 - Include all code pages above and configured by f_setcp()
*/
#define FF_USE_LFN 0
#define FF_MAX_LFN 255
/* The FF_USE_LFN switches the support for LFN (long file name).
/
/ 0: Disable LFN. FF_MAX_LFN has no effect.
/ 1: Enable LFN with static working buffer on the BSS. Always NOT thread-safe.
/ 2: Enable LFN with dynamic working buffer on the STACK.
/ 3: Enable LFN with dynamic working buffer on the HEAP.
/
/ To enable the LFN, ffunicode.c needs to be added to the project. The LFN feature
/ requiers certain internal working buffer occupies (FF_MAX_LFN + 1) * 2 bytes and
/ additional (FF_MAX_LFN + 44) / 15 * 32 bytes when exFAT is enabled.
/ The FF_MAX_LFN defines size of the working buffer in UTF-16 code unit and it can
/ be in range of 12 to 255. It is recommended to be set 255 to fully support the LFN
/ specification.
/ When use stack for the working buffer, take care on stack overflow. When use heap
/ memory for the working buffer, memory management functions, ff_memalloc() and
/ ff_memfree() exemplified in ffsystem.c, need to be added to the project. */
#define FF_LFN_UNICODE 0
/* This option switches the character encoding on the API when LFN is enabled.
/
/ 0: ANSI/OEM in current CP (TCHAR = char)
/ 1: Unicode in UTF-16 (TCHAR = WCHAR)
/ 2: Unicode in UTF-8 (TCHAR = char)
/ 3: Unicode in UTF-32 (TCHAR = DWORD)
/
/ Also behavior of string I/O functions will be affected by this option.
/ When LFN is not enabled, this option has no effect. */
#define FF_LFN_BUF 255
#define FF_SFN_BUF 12
/* This set of options defines size of file name members in the FILINFO structure
/ which is used to read out directory items. These values should be suffcient for
/ the file names to read. The maximum possible length of the read file name depends
/ on character encoding. When LFN is not enabled, these options have no effect. */
#define FF_FS_RPATH 0
/* This option configures support for relative path.
/
/ 0: Disable relative path and remove related API functions.
/ 1: Enable relative path. f_chdir() and f_chdrive() are available.
/ 2: f_getcwd() is available in addition to 1.
*/
/*---------------------------------------------------------------------------/
/ Drive/Volume Configurations
/---------------------------------------------------------------------------*/
#define FF_VOLUMES 2
/* Number of volumes (logical drives) to be used. (1-10) */
#define FF_STR_VOLUME_ID 1
#define FF_VOLUME_STRS "SD","SD1","SDHC0"
/* FF_STR_VOLUME_ID switches support for volume ID in arbitrary strings.
/ When FF_STR_VOLUME_ID is set to 1 or 2, arbitrary strings can be used as drive
/ number in the path name. FF_VOLUME_STRS defines the volume ID strings for each
/ logical drive. Number of items must not be less than FF_VOLUMES. Valid
/ characters for the volume ID strings are A-Z, a-z and 0-9, however, they are
/ compared in case-insensitive. If FF_STR_VOLUME_ID >= 1 and FF_VOLUME_STRS is
/ not defined, a user defined volume string table is needed as:
/
/ const char* VolumeStr[FF_VOLUMES] = {"ram","flash","sd","usb",...
*/
#define FF_MULTI_PARTITION 1
/* This option switches support for multiple volumes on the physical drive.
/ By default (0), each logical drive number is bound to the same physical drive
/ number and only an FAT volume found on the physical drive will be mounted.
/ When this feature is enabled (1), each logical drive number can be bound to
/ arbitrary physical drive and partition listed in the VolToPart[]. Also f_fdisk()
/ will be available. */
#define FF_MIN_SS 512
#define FF_MAX_SS 512
/* This set of options configures the range of sector size to be supported. (512,
/ 1024, 2048 or 4096) Always set both 512 for most systems, generic memory card and
/ harddisk, but a larger value may be required for on-board flash memory and some
/ type of optical media. When FF_MAX_SS is larger than FF_MIN_SS, FatFs is
/ configured for variable sector size mode and disk_ioctl() needs to implement
/ GET_SECTOR_SIZE command. */
#define FF_LBA64 0
/* This option switches support for 64-bit LBA. (0:Disable or 1:Enable)
/ To enable the 64-bit LBA, also exFAT needs to be enabled. (FF_FS_EXFAT == 1) */
#define FF_MIN_GPT 0x10000000
/* Minimum number of sectors to switch GPT as partitioning format in f_mkfs() and
/ f_fdisk(). 2^32 sectors maximum. This option has no effect when FF_LBA64 == 0. */
#define FF_USE_TRIM 0
/* This option switches support for ATA-TRIM. (0:Disable or 1:Enable)
/ To enable this feature, also CTRL_TRIM command should be implemented to
/ the disk_ioctl(). */
/*---------------------------------------------------------------------------/
/ System Configurations
/---------------------------------------------------------------------------*/
#define FF_FS_TINY 0
/* This option switches tiny buffer configuration. (0:Normal or 1:Tiny)
/ At the tiny configuration, size of file object (FIL) is shrinked FF_MAX_SS bytes.
/ Instead of private sector buffer eliminated from the file object, common sector
/ buffer in the filesystem object (FATFS) is used for the file data transfer. */
#define FF_FS_EXFAT 0
/* This option switches support for exFAT filesystem. (0:Disable or 1:Enable)
/ To enable exFAT, also LFN needs to be enabled. (FF_USE_LFN >= 1)
/ Note that enabling exFAT discards ANSI C (C89) compatibility. */
#define FF_FS_NORTC 0
#define FF_NORTC_MON 11
#define FF_NORTC_MDAY 1
#define FF_NORTC_YEAR 2024
/* The option FF_FS_NORTC switches timestamp feature. If the system does not have
/ an RTC or valid timestamp is not needed, set FF_FS_NORTC = 1 to disable the
/ timestamp feature. Every object modified by FatFs will have a fixed timestamp
/ defined by FF_NORTC_MON, FF_NORTC_MDAY and FF_NORTC_YEAR in local time.
/ To enable timestamp function (FF_FS_NORTC = 0), get_fattime() need to be added
/ to the project to read current time form real-time clock. FF_NORTC_MON,
/ FF_NORTC_MDAY and FF_NORTC_YEAR have no effect.
/ These options have no effect in read-only configuration (FF_FS_READONLY = 1). */
#define FF_FS_NOFSINFO 0
/* If you need to know correct free space on the FAT32 volume, set bit 0 of this
/ option, and f_getfree() at the first time after volume mount will force
/ a full FAT scan. Bit 1 controls the use of last allocated cluster number.
/
/ bit0=0: Use free cluster count in the FSINFO if available.
/ bit0=1: Do not trust free cluster count in the FSINFO.
/ bit1=0: Use last allocated cluster number in the FSINFO if available.
/ bit1=1: Do not trust last allocated cluster number in the FSINFO.
*/
#define FF_FS_LOCK 0
/* The option FF_FS_LOCK switches file lock function to control duplicated file open
/ and illegal operation to open objects. This option must be 0 when FF_FS_READONLY
/ is 1.
/
/ 0: Disable file lock function. To avoid volume corruption, application program
/ should avoid illegal open, remove and rename to the open objects.
/ >0: Enable file lock function. The value defines how many files/sub-directories
/ can be opened simultaneously under file lock control. Note that the file
/ lock control is independent of re-entrancy. */
#define FF_FS_REENTRANT 0
#define FF_FS_TIMEOUT 1000
/* The option FF_FS_REENTRANT switches the re-entrancy (thread safe) of the FatFs
/ module itself. Note that regardless of this option, file access to different
/ volume is always re-entrant and volume control functions, f_mount(), f_mkfs()
/ and f_fdisk(), are always not re-entrant. Only file/directory access to
/ the same volume is under control of this featuer.
/
/ 0: Disable re-entrancy. FF_FS_TIMEOUT have no effect.
/ 1: Enable re-entrancy. Also user provided synchronization handlers,
/ ff_mutex_create(), ff_mutex_delete(), ff_mutex_take() and ff_mutex_give(),
/ must be added to the project. Samples are available in ffsystem.c.
/
/ The FF_FS_TIMEOUT defines timeout period in unit of O/S time tick.
*/
/* Zephyr specific configuration override */
/* The ZEPHYR_CONFIG_OVERRIDE should be given header file name that will contain
/ series of undefs and redefinitions of the FF_ identifiers from the ffconf.h
/ it needs to override
*/
#ifdef ZEPHYR_CONFIG_OVERRIDE
#define FFCONF_STRINGIZE_AGAIN(x) #x
#define FFCONF_STRINGIZE(x) FFCONF_STRINGIZE_AGAIN(x)
#include FFCONF_STRINGIZE(ZEPHYR_CONFIG_OVERRIDE)
#undef FFCONF_STRINGIZE
#undef FFCONF_STRINGIZE_AGAIN
#endif
/* End of Zephyr specific configuration override */
/*--- End of configuration options ---*/
Thank you !
