sd.h File Reference

#include <esp_log.h>
#include <freertos/FreeRTOS.h>

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Macros
#define	TAG_SD   "SD"
#define	SD_ERR_BASE   0x200

Enumerations
enum	sd_err_t {   SD_ERR_SPI_INIT = 0x200 + 1 , SD_ERR_MOUNT_FAIL = 0x200 + 2 , SD_ERR_FILE_OPEN = 0x200 + 3 , SD_ERR_WRITE_FAIL = 0x200 + 4 ,   SD_ERR_FILE_CLOSED = 0x200 + 5 }

Functions
esp_err_t	init_sd_card (FILE **logFile)
esp_err_t	write_to_file (FILE *file, const char *message, const char *endl)
char *	sd_err_to_name (esp_err_t err)

Macro Definition Documentation

SD_ERR_BASE

#define SD_ERR_BASE   0x200

TAG_SD

#define TAG_SD   "SD"

Enumeration Type Documentation

sd_err_t

enum sd_err_t

Enumerator
SD_ERR_SPI_INIT	spi_bus_initialize() failed
SD_ERR_MOUNT_FAIL	esp_vfs_fat_sdspi_mount() failed
SD_ERR_FILE_OPEN	fopen() returned NULL
SD_ERR_WRITE_FAIL	fwrite() or flush failed
SD_ERR_FILE_CLOSED	file is closed

Function Documentation

init_sd_card()

esp_err_t init_sd_card

(

FILE **

logFile

)

Initialize SD card reader.

< host supports SPI protocol

< host deinit function called with the slot argument

< SD/MMC Default speed (limited by clock divider)

< esp_err_t value indicating success (no error)

< esp_err_t value indicating success (no error)

< esp_err_t value indicating success (no error)

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sd_err_to_name()

char * sd_err_to_name

(

esp_err_t

err

)

< esp_err_t value indicating success (no error)

write_to_file()

esp_err_t write_to_file	(	FILE *	file,
		const char *	message,
		const char *	endl )

Writes the message to the file and saves it.

< esp_err_t value indicating success (no error)

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