sdcard.c File Reference

#include "sdcard.h"
#include "spi_bus.h"
#include "board_pins.h"
#include "esp_vfs_fat.h"
#include "sdmmc_cmd.h"
#include "driver/sdspi_host.h"
#include "driver/gpio.h"
#include "esp_log.h"

Macros
#define	SD_MAX_OPEN_FILES   5
#define	SD_ALLOC_UNIT_SIZE   (16 * 1024)
#define	SD_DETECT_PRESENT_LEVEL   0

Functions
esp_err_t	sdcard_mount (void)
	Initialize SPI3, attach the card via sdspi, and mount the FAT volume.
esp_err_t	sdcard_unmount (void)
	Unmount the FAT volume and detach the sdspi device.
int	sdcard_freq_khz (void)
	Actual SPI clock negotiated with the card by the host, in kHz.
bool	sdcard_present (void)
	Report whether a card is physically inserted (synchronous read of PIN_SD_DETECT).

Detailed Description

Note

Développé avec l'assistance de Claude Opus 4.8 (Anthropic), sous la direction de Y. Dos Santos : spécification, revue et validation sur cible par l'auteur.

Macro Definition Documentation

SD_ALLOC_UNIT_SIZE

#define SD_ALLOC_UNIT_SIZE   (16 * 1024)

SD_DETECT_PRESENT_LEVEL

#define SD_DETECT_PRESENT_LEVEL   0

SD_MAX_OPEN_FILES

#define SD_MAX_OPEN_FILES   5