sd_card_utils.c File Reference

Useful ESP-IDF wrappers to initialize/deinitialize the file system on the SD card. More...

#include "sd_card_utils.h"

Functions
esp_err_t	mount_sd_card (void)
	Mount the SD card with LittleFS.
void	sd_card_log_info (const sdmmc_card_t *const restrict card)
esp_err_t	unmount_sd_card (void)
	Unmount the SD card and release associated resources.

Variables
static const char *const	TAG = "sd_card"
static esp_vfs_littlefs_conf_t	mount_conf
static sdmmc_card_t	sdcard
static sd_pwr_ctrl_handle_t	pwr_ctrl_handle = NULL

Detailed Description

Useful ESP-IDF wrappers to initialize/deinitialize the file system on the SD card.

The OBC employs the fail-safe LittleFS file system. VFS is used to map standard POSIX calls to LittleFS functions.

Author

Adrien Chevrier

Copyright

Copyright (c) 2026 Adrien Chevrier. Under AGPL-3.0-or-later license.

This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details.

You should have received a copy of the GNU Affero General Public License along with this program. If not, see https://www.gnu.org/licenses/.

Version

0.1

Date

2026-02-05

Function Documentation

sd_card_log_info()

void sd_card_log_info

(

const sdmmc_card_t *const restrict

card

)

Variable Documentation

mount_conf

esp_vfs_littlefs_conf_t mount_conf

static

pwr_ctrl_handle

sd_pwr_ctrl_handle_t pwr_ctrl_handle = NULL

static

sdcard

sdmmc_card_t sdcard

static

TAG

const char* const TAG = "sd_card"

static