sd_card Struct Reference

SD card structure. More...

#include <sd.h>

Data Fields
const struct device *	sdhc
struct sdhc_io	bus_io
enum sd_voltage	card_voltage
struct k_mutex	lock
struct sdhc_host_props	host_props
uint32_t	ocr
struct sd_switch_caps	switch_caps
uint32_t	num_io
uint32_t	relative_addr
uint32_t	block_count
uint32_t	block_size
uint32_t	sd_version
uint32_t	card_speed
enum card_status	status
enum card_type	type
uint32_t	flags
uint8_t	card_buffer [CONFIG_SD_BUFFER_SIZE]

Detailed Description

SD card structure.

This structure is used by the subsystem to track an individual SD device connected to the system. The application may access these fields, but use caution when changing values.

Field Documentation

block_count

uint32_t sd_card::block_count

Number of blocks in SD card

block_size

uint32_t sd_card::block_size

SD block size

bus_io

struct sdhc_io sd_card::bus_io

Current bus I/O props for SDHC

card_buffer

uint8_t sd_card::card_buffer[CONFIG_SD_BUFFER_SIZE]

card_speed

uint32_t sd_card::card_speed

Card timing mode

card_voltage

enum sd_voltage sd_card::card_voltage

Card signal voltage

flags

uint32_t sd_card::flags

Card flags

host_props

struct sdhc_host_props sd_card::host_props

SDHC host properties

lock

struct k_mutex sd_card::lock

card mutex

num_io

uint32_t sd_card::num_io

I/O function count. 0 for SD cards

ocr

uint32_t sd_card::ocr

Raw card OCR content

relative_addr

uint32_t sd_card::relative_addr

Card relative address

sd_version

uint32_t sd_card::sd_version

SD specification version

sdhc

const struct device* sd_card::sdhc

SD host controller for card

status

enum card_status sd_card::status

Card status

switch_caps

struct sd_switch_caps sd_card::switch_caps

SD switch capabilities

type

enum card_type sd_card::type

Card type

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The documentation for this struct was generated from the following file:

• zephyr/sd/sd.h