Classes
struct	sd_mmc_card
	SD/MMC card information structure. More...

Macros
#define	driver_adtc_start ATPASTE2(driver, _adtc_start)

#define	driver_adtc_stop ATPASTE2(driver, _send_cmd)

#define	driver_deselect_device ATPASTE2(driver, _deselect_device)

#define	driver_get_bus_width ATPASTE2(driver, _get_bus_width)

#define	driver_get_response ATPASTE2(driver, _get_response)

#define	driver_get_response_128 ATPASTE2(driver, _get_response_128)

#define	driver_init ATPASTE2(driver, _init)

#define	driver_is_high_speed_capable ATPASTE2(driver, _is_high_speed_capable)

#define	driver_read_word ATPASTE2(driver, _read_word)

#define	driver_select_device ATPASTE2(driver, _select_device)

#define	driver_send_clock ATPASTE2(driver, _send_clock)

#define	driver_send_cmd ATPASTE2(driver, _send_cmd)

#define	driver_start_read_blocks ATPASTE2(driver, _start_read_blocks)

#define	driver_start_write_blocks ATPASTE2(driver, _start_write_blocks)

#define	driver_wait_end_of_read_blocks ATPASTE2(driver, _wait_end_of_read_blocks)

#define	driver_wait_end_of_write_blocks ATPASTE2(driver, _wait_end_of_write_blocks)

#define	driver_write_word ATPASTE2(driver, _write_word)

#define	IS_SDIO() false

#define	sd_mmc_debug(...)

#define	SD_MMC_HSMCI_MEM_CNT 0

#define	sd_mmc_is_mci() (!sd_mmc_is_spi())

#define	SD_MMC_MCI_MEM_CNT 0

#define	SD_MMC_SPI_MEM_CNT 0

#define	SD_MMC_VOLTAGE_SUPPORT
	This SD MMC stack supports only the high voltage. More...

Enumerations
enum	card_state { SD_MMC_CARD_STATE_READY = 0, SD_MMC_CARD_STATE_DEBOUNCE = 1, SD_MMC_CARD_STATE_INIT = 2, SD_MMC_CARD_STATE_UNUSABLE = 3, SD_MMC_CARD_STATE_NO_CARD = 4 }
	SD/MMC card states. More...

Functions
sd_mmc_err_t	sd_mmc_check (uint8_t slot)
	Performs a card checks. More...

uint32_t	sd_mmc_get_capacity (uint8_t slot)
	Get the memory capacity. More...

card_type_t	sd_mmc_get_type (uint8_t slot)
	Get the card type. More...

card_version_t	sd_mmc_get_version (uint8_t slot)
	Get the card version. More...

void	sd_mmc_init (void)
	Initialize the SD/MMC stack and low level driver required. More...

sd_mmc_err_t	sd_mmc_init_read_blocks (uint8_t slot, uint32_t start, uint16_t nb_block)
	Initialize the read blocks of data from the card. More...

sd_mmc_err_t	sd_mmc_init_write_blocks (uint8_t slot, uint32_t start, uint16_t nb_block)
	Initialize the write blocks of data. More...

bool	sd_mmc_is_write_protected (uint8_t slot)
	Get the card write protection status. More...

uint8_t	sd_mmc_nb_slot (void)
	Return the number of slot available. More...

sd_mmc_err_t	sd_mmc_start_read_blocks (void *dest, uint16_t nb_block)
	Start the read blocks of data from the card. More...

sd_mmc_err_t	sd_mmc_start_write_blocks (const void *src, uint16_t nb_block)
	Start the write blocks of data. More...

sd_mmc_err_t	sd_mmc_wait_end_of_read_blocks (bool abort)
	Wait the end of read blocks of data from the card. More...

sd_mmc_err_t	sd_mmc_wait_end_of_write_blocks (bool abort)
	Wait the end of write blocks of data. More...

Variables
const uint32_t	mmc_trans_multipliers [16]
	MMC transfer multiplier factor codes (1/10) list. More...

static struct sd_mmc_card *	sd_mmc_card
	Pointer on current slot configurated. More...

static struct sd_mmc_card	sd_mmc_cards [SD_MMC_MEM_CNT]

static uint16_t	sd_mmc_nb_block_remaining = 0
	Number of block remaining to read or write on the current transfer. More...

static uint16_t	sd_mmc_nb_block_to_tranfer = 0
	Number of block to read or write on the current transfer. More...

static uint8_t	sd_mmc_slot_sel
	Index of current slot configurated. More...

const uint32_t	sd_mmc_trans_units [7]
	SD/MMC transfer rate unit codes (10K) list. More...

const uint32_t	sd_trans_multipliers [16]
	SD transfer multiplier factor codes (1/10) list. More...

MMC, SD and SDIO commands process
static bool	mmc_spi_op_cond (void)
	Sends operation condition command and read OCR (SPI only) More...

static bool	mmc_mci_op_cond (void)
	Sends operation condition command and read OCR (MCI only) More...

static bool	sd_spi_op_cond (uint8_t v2)
	Ask to all cards to send their operations conditions (SPI only). More...

static bool	sd_mci_op_cond (uint8_t v2)
	Ask to all cards to send their operations conditions (MCI only). More...

static bool	sdio_op_cond (void)

static bool	sdio_get_max_speed (void)

static bool	sdio_cmd52_set_bus_width (void)

static bool	sdio_cmd52_set_high_speed (void)

static bool	sd_cm6_set_high_speed (void)
	CMD6 for SD - Switch card in high speed mode. More...

static bool	mmc_cmd6_set_bus_width (uint8_t bus_width)
	CMD6 for MMC - Switches the bus width mode. More...

static bool	mmc_cmd6_set_high_speed (void)
	CMD6 for MMC - Switches in high speed mode. More...

static bool	sd_cmd8 (uint8_t *v2)
	CMD8 for SD card - Send Interface Condition Command. More...

static bool	mmc_cmd8 (uint8_t *b_authorize_high_speed)
	CMD8 - The card sends its EXT_CSD register as a block of data. More...

static bool	sd_mmc_cmd9_spi (void)
	CMD9: Addressed card sends its card-specific data (CSD) on the CMD line spi. More...

static bool	sd_mmc_cmd9_mci (void)
	CMD9: Addressed card sends its card-specific data (CSD) on the CMD line mci. More...

static void	mmc_decode_csd (void)
	Decodes MMC CSD register. More...

static void	sd_decode_csd (void)
	Decodes SD CSD register. More...

static bool	sd_mmc_cmd13 (void)
	CMD13 - Addressed card sends its status register. This function waits the clear of the busy flag. More...

static bool	sd_acmd6 (void)
	ACMD6 - Define the data bus width to 4 bits bus. More...

static bool	sd_acmd51 (void)
	ACMD51 - Read the SD Configuration Register. More...

Internal function to process the initialization and install
static sd_mmc_err_t	sd_mmc_select_slot (uint8_t slot)
	Select a card slot and initialize the associated driver. More...

static void	sd_mmc_configure_slot (void)
	Configures the driver with the selected card configuration. More...

static void	sd_mmc_deselect_slot (void)
	Deselect the current card slot. More...

static bool	sd_mmc_spi_card_init (void)
	Initialize the SD card in SPI mode. More...

static bool	sd_mmc_mci_card_init (void)
	Initialize the SD card in MCI mode. More...

static bool	sd_mmc_spi_install_mmc (void)
	Initialize the MMC card in SPI mode. More...

static bool	sd_mmc_mci_install_mmc (void)
	Initialize the MMC card in MCI mode. More...

Internal functions to manage a large timeout after a card insertion
#define	SD_MMC_DEBOUNCE_TIMEOUT 1000

Detailed Description

Macro Definition Documentation

◆ driver_adtc_start

#define driver_adtc_start ATPASTE2(driver, _adtc_start)

Definition at line 115 of file sd_mmc.c.

◆ driver_adtc_stop

#define driver_adtc_stop ATPASTE2(driver, _send_cmd)

Definition at line 116 of file sd_mmc.c.

◆ driver_deselect_device

#define driver_deselect_device ATPASTE2(driver, _deselect_device)

Definition at line 108 of file sd_mmc.c.

◆ driver_get_bus_width

#define driver_get_bus_width ATPASTE2(driver, _get_bus_width)

Definition at line 109 of file sd_mmc.c.

◆ driver_get_response

#define driver_get_response ATPASTE2(driver, _get_response)

Definition at line 113 of file sd_mmc.c.

◆ driver_get_response_128

#define driver_get_response_128 ATPASTE2(driver, _get_response_128)

Definition at line 114 of file sd_mmc.c.

◆ driver_init

#define driver_init ATPASTE2(driver, _init)

Definition at line 106 of file sd_mmc.c.

◆ driver_is_high_speed_capable

#define driver_is_high_speed_capable ATPASTE2(driver, _is_high_speed_capable)

Definition at line 110 of file sd_mmc.c.

◆ driver_read_word

#define driver_read_word ATPASTE2(driver, _read_word)

Definition at line 117 of file sd_mmc.c.

◆ driver_select_device

#define driver_select_device ATPASTE2(driver, _select_device)

Definition at line 107 of file sd_mmc.c.

◆ driver_send_clock

#define driver_send_clock ATPASTE2(driver, _send_clock)

Definition at line 111 of file sd_mmc.c.

◆ driver_send_cmd

#define driver_send_cmd ATPASTE2(driver, _send_cmd)

Definition at line 112 of file sd_mmc.c.

◆ driver_start_read_blocks

#define driver_start_read_blocks ATPASTE2(driver, _start_read_blocks)

Definition at line 119 of file sd_mmc.c.

◆ driver_start_write_blocks

#define driver_start_write_blocks ATPASTE2(driver, _start_write_blocks)

Definition at line 121 of file sd_mmc.c.

◆ driver_wait_end_of_read_blocks

#define driver_wait_end_of_read_blocks ATPASTE2(driver, _wait_end_of_read_blocks)

Definition at line 120 of file sd_mmc.c.

◆ driver_wait_end_of_write_blocks

#define driver_wait_end_of_write_blocks ATPASTE2(driver, _wait_end_of_write_blocks)

Definition at line 122 of file sd_mmc.c.

◆ driver_write_word

#define driver_write_word ATPASTE2(driver, _write_word)

Definition at line 118 of file sd_mmc.c.

◆ IS_SDIO

#define IS_SDIO ( ) false

Definition at line 133 of file sd_mmc.c.

◆ SD_MMC_DEBOUNCE_TIMEOUT

#define SD_MMC_DEBOUNCE_TIMEOUT 1000

Definition at line 259 of file sd_mmc.c.

◆ sd_mmc_debug

#define sd_mmc_debug ( ... )

Definition at line 64 of file sd_mmc.c.

◆ SD_MMC_HSMCI_MEM_CNT

#define SD_MMC_HSMCI_MEM_CNT 0

Definition at line 74 of file sd_mmc.c.

◆ sd_mmc_is_mci

#define sd_mmc_is_mci ( ) (!sd_mmc_is_spi())

Definition at line 136 of file sd_mmc.c.

◆ SD_MMC_MCI_MEM_CNT

#define SD_MMC_MCI_MEM_CNT 0

Definition at line 71 of file sd_mmc.c.

◆ SD_MMC_SPI_MEM_CNT

#define SD_MMC_SPI_MEM_CNT 0

Definition at line 68 of file sd_mmc.c.

◆ SD_MMC_VOLTAGE_SUPPORT

#define SD_MMC_VOLTAGE_SUPPORT

Value:

(OCR_VDD_27_28 | OCR_VDD_28_29 | \
                OCR_VDD_29_30 | OCR_VDD_30_31 | \
                OCR_VDD_31_32 | OCR_VDD_32_33)

This SD MMC stack supports only the high voltage.

Definition at line 139 of file sd_mmc.c.

Enumeration Type Documentation

◆ card_state

enum card_state

SD/MMC card states.

Enumerator
SD_MMC_CARD_STATE_READY	Ready to use.
SD_MMC_CARD_STATE_DEBOUNCE	Debounce on going.
SD_MMC_CARD_STATE_INIT	Initialization on going.
SD_MMC_CARD_STATE_UNUSABLE	Unusable card.
SD_MMC_CARD_STATE_NO_CARD	No SD/MMC card inserted.

Definition at line 145 of file sd_mmc.c.

Function Documentation

◆ mmc_cmd6_set_bus_width()

static bool mmc_cmd6_set_bus_width ( uint8_t bus_width )

static

CMD6 for MMC - Switches the bus width mode.

Note: CMD6 is valid under the "trans" state.; sd_mmc_card->bus_width is updated.

Parameters

bus_width Bus width to set

Returns: true if success, otherwise false

Definition at line 820 of file sd_mmc.c.

◆ mmc_cmd6_set_high_speed()

static bool mmc_cmd6_set_high_speed ( void )

static

CMD6 for MMC - Switches in high speed mode.

Note: CMD6 is valid under the "trans" state.; sd_mmc_card->high_speed is updated.; sd_mmc_card->clock is updated.

Returns: true if success, otherwise false

Definition at line 863 of file sd_mmc.c.

◆ mmc_cmd8()

static bool mmc_cmd8 ( uint8_t * b_authorize_high_speed )

static

CMD8 - The card sends its EXT_CSD register as a block of data.

Parameters

b_authorize_high_speed Pointer to update with the high speed support information

Returns: true if success, otherwise false

Definition at line 929 of file sd_mmc.c.

◆ mmc_decode_csd()

static void mmc_decode_csd ( void )

static

Decodes MMC CSD register.

Definition at line 1006 of file sd_mmc.c.

◆ mmc_mci_op_cond()

static bool mmc_mci_op_cond ( void )

static

Sends operation condition command and read OCR (MCI only)

CMD1 sends operation condition command
CMD1 reads OCR

Returns: true if success, otherwise false

Definition at line 382 of file sd_mmc.c.

◆ mmc_spi_op_cond()

static bool mmc_spi_op_cond ( void )

static

Sends operation condition command and read OCR (SPI only)

CMD1 sends operation condition command
CMD58 reads OCR

Returns: true if success, otherwise false

Definition at line 335 of file sd_mmc.c.

◆ sd_acmd51()

static bool sd_acmd51 ( void )

static

ACMD51 - Read the SD Configuration Register.

Note: SD Card Configuration Register (SCR) provides information on the SD Memory Card's special features that were configured into the given card. The size of SCR register is 64 bits.

Returns: true if success, otherwise false

Definition at line 1251 of file sd_mmc.c.

◆ sd_acmd6()

static bool sd_acmd6 ( void )

static

ACMD6 - Define the data bus width to 4 bits bus.

Returns: true if success, otherwise false

Definition at line 1224 of file sd_mmc.c.

◆ sd_cm6_set_high_speed()

static bool sd_cm6_set_high_speed ( void )

static

CMD6 for SD - Switch card in high speed mode.

Note: CMD6 for SD is valid under the "trans" state.; sd_mmc_card->high_speed is updated.; sd_mmc_card->clock is updated.

Returns: true if success, otherwise false

Definition at line 767 of file sd_mmc.c.

◆ sd_cmd8()

static bool sd_cmd8 ( uint8_t * v2 )

static

CMD8 for SD card - Send Interface Condition Command.

Note: Send SD Memory Card interface condition, which includes host supply voltage information and asks the card whether card supports voltage. Should be performed at initialization time to detect the card type.

Parameters

v2	Pointer to v2 flag to update

Returns: true if success, otherwise false with a update of sd_mmc_err.

Definition at line 894 of file sd_mmc.c.

◆ sd_decode_csd()

static void sd_decode_csd ( void )

static

Decodes SD CSD register.

Definition at line 1066 of file sd_mmc.c.

◆ sd_mci_op_cond()

static bool sd_mci_op_cond ( uint8_t v2 )

static

Ask to all cards to send their operations conditions (MCI only).

ACMD41 sends operation condition command.
ACMD41 reads OCR

Parameters

v2	Shall be 1 if it is a SD card V2

Returns: true if success, otherwise false

Definition at line 486 of file sd_mmc.c.

◆ sd_mmc_check()

sd_mmc_err_t sd_mmc_check ( uint8_t slot )

Performs a card checks.

Parameters

slot	Card slot to use

Return values

SD_MMC_OK	Card ready
SD_MMC_INIT_ONGOING	Initialization on going
SD_MMC_ERR_NO_CARD	Card not present in slot
Other	value for error cases, see sd_mmc_err_t

Definition at line 1776 of file sd_mmc.c.

◆ sd_mmc_cmd13()

static bool sd_mmc_cmd13 ( void )

static

CMD13 - Addressed card sends its status register. This function waits the clear of the busy flag.

Returns: true if success, otherwise false

Definition at line 1110 of file sd_mmc.c.

◆ sd_mmc_cmd9_mci()

static bool sd_mmc_cmd9_mci ( void )

static

CMD9: Addressed card sends its card-specific data (CSD) on the CMD line mci.

Returns: true if success, otherwise false

Definition at line 994 of file sd_mmc.c.

◆ sd_mmc_cmd9_spi()

static bool sd_mmc_cmd9_spi ( void )

static

CMD9: Addressed card sends its card-specific data (CSD) on the CMD line spi.

Returns: true if success, otherwise false

Definition at line 976 of file sd_mmc.c.

◆ sd_mmc_configure_slot()

static void sd_mmc_configure_slot ( void )

static

Configures the driver with the selected card configuration.

Definition at line 1370 of file sd_mmc.c.

◆ sd_mmc_deselect_slot()

static void sd_mmc_deselect_slot ( void )

static

Deselect the current card slot.

Definition at line 1379 of file sd_mmc.c.

◆ sd_mmc_get_capacity()

uint32_t sd_mmc_get_capacity ( uint8_t slot )

Get the memory capacity.

Parameters

slot Card slot

Returns: Capacity (unit KB)

Definition at line 1820 of file sd_mmc.c.

◆ sd_mmc_get_type()

card_type_t sd_mmc_get_type ( uint8_t slot )

Get the card type.

Parameters

slot Card slot

Returns: Card type (card_type_t)

Definition at line 1802 of file sd_mmc.c.

◆ sd_mmc_get_version()

card_version_t sd_mmc_get_version ( uint8_t slot )

Get the card version.

Parameters

slot Card slot

Returns: Card version (card_version_t)

Definition at line 1811 of file sd_mmc.c.

◆ sd_mmc_init()

void sd_mmc_init ( void )

Initialize the SD/MMC stack and low level driver required.

Enable the PMC clock for the card detect pins

Enable the PMC clock for the card write protection pins

Definition at line 1746 of file sd_mmc.c.

◆ sd_mmc_init_read_blocks()

sd_mmc_err_t sd_mmc_init_read_blocks	(	uint8_t	slot,
		uint32_t	start,
		uint16_t	nb_block
	)

Initialize the read blocks of data from the card.

Parameters

slot	Card slot to use
start	Start block number to to read.
nb_block	Total number of blocks to be read.

Returns: return SD_MMC_OK if success, otherwise return an error code (sd_mmc_err_t).

Definition at line 1842 of file sd_mmc.c.

◆ sd_mmc_init_write_blocks()

sd_mmc_err_t sd_mmc_init_write_blocks	(	uint8_t	slot,
		uint32_t	start,
		uint16_t	nb_block
	)

Initialize the write blocks of data.

Parameters

slot	Card slot to use
start	Start block number to be written.
nb_block	Total number of blocks to be written.

Returns: return SD_MMC_OK if success, otherwise return an error code (sd_mmc_err_t).

Definition at line 1932 of file sd_mmc.c.

◆ sd_mmc_is_write_protected()

bool sd_mmc_is_write_protected ( uint8_t slot )

Get the card write protection status.

Parameters

slot Card slot

Returns: true, if write portected

Definition at line 1829 of file sd_mmc.c.

◆ sd_mmc_mci_card_init()

static bool sd_mmc_mci_card_init ( void )

static

Initialize the SD card in MCI mode.

Note: This function runs the initialization procedure and the identification process, then it sets the SD/MMC card in transfer state. At last, it will automaticly enable maximum bus width and transfer speed.

Returns: true if success, otherwise false

Definition at line 1485 of file sd_mmc.c.

◆ sd_mmc_mci_install_mmc()

static bool sd_mmc_mci_install_mmc ( void )

static

Initialize the MMC card in MCI mode.

Note: This function runs the initialization procedure and the identification process, then it sets the SD/MMC card in transfer state. At last, it will automaticly enable maximum bus width and transfer speed.

Returns: true if success, otherwise false

Definition at line 1668 of file sd_mmc.c.

◆ sd_mmc_nb_slot()

uint8_t sd_mmc_nb_slot ( void )

Return the number of slot available.

Returns: Number of card slot available

Definition at line 1771 of file sd_mmc.c.

◆ sd_mmc_select_slot()

static sd_mmc_err_t sd_mmc_select_slot ( uint8_t slot )

static

Select a card slot and initialize the associated driver.

Parameters

slot	Card slot number

Return values

SD_MMC_ERR_SLOT	Wrong slot number
SD_MMC_ERR_NO_CARD	No card present on slot
SD_MMC_ERR_UNUSABLE	Unusable card
SD_MMC_INIT_ONGOING	Card initialization requested
SD_MMC_OK	Card present

Definition at line 1307 of file sd_mmc.c.

◆ sd_mmc_spi_card_init()

static bool sd_mmc_spi_card_init ( void )

static

Initialize the SD card in SPI mode.

Note: This function runs the initialization procedure and the identification process, then it sets the SD/MMC card in transfer state. At last, it will automaticly enable maximum bus width and transfer speed.

Returns: true if success, otherwise false

Definition at line 1396 of file sd_mmc.c.

◆ sd_mmc_spi_install_mmc()

static bool sd_mmc_spi_install_mmc ( void )

static

Initialize the MMC card in SPI mode.

Note: This function runs the initialization procedure and the identification process, then it sets the SD/MMC card in transfer state. At last, it will automaticly enable maximum bus width and transfer speed.

Returns: true if success, otherwise false

Definition at line 1615 of file sd_mmc.c.

◆ sd_mmc_start_read_blocks()

sd_mmc_err_t sd_mmc_start_read_blocks	(	void *	dest,
		uint16_t	nb_block
	)

Start the read blocks of data from the card.

Parameters

dest	Pointer to read buffer.
nb_block	Number of blocks to be read.

Returns: return SD_MMC_OK if started, otherwise return an error code (sd_mmc_err_t).

Definition at line 1893 of file sd_mmc.c.

◆ sd_mmc_start_write_blocks()

sd_mmc_err_t sd_mmc_start_write_blocks	(	const void *	src,
		uint16_t	nb_block
	)

Start the write blocks of data.

Parameters

src	Pointer to write buffer.
nb_block	Number of blocks to be written.

Returns: return SD_MMC_OK if started, otherwise return an error code (sd_mmc_err_t).

Definition at line 1980 of file sd_mmc.c.

◆ sd_mmc_wait_end_of_read_blocks()

sd_mmc_err_t sd_mmc_wait_end_of_read_blocks ( bool abort )

Wait the end of read blocks of data from the card.

Parameters

abort Abort reading process initialized by sd_mmc_init_read_blocks() after the reading issued by sd_mmc_start_read_blocks() is done

Returns: return SD_MMC_OK if success, otherwise return an error code (sd_mmc_err_t).

Definition at line 1905 of file sd_mmc.c.

◆ sd_mmc_wait_end_of_write_blocks()

sd_mmc_err_t sd_mmc_wait_end_of_write_blocks ( bool abort )

Wait the end of write blocks of data.

Parameters

abort Abort writing process initialized by sd_mmc_init_write_blocks() after the writing issued by sd_mmc_start_write_blocks() is done

Returns: return SD_MMC_OK if success, otherwise return an error code (sd_mmc_err_t).

Definition at line 1991 of file sd_mmc.c.

◆ sd_spi_op_cond()

static bool sd_spi_op_cond ( uint8_t v2 )

static

Ask to all cards to send their operations conditions (SPI only).

ACMD41 sends operation condition command.
CMD58 reads OCR

Parameters

v2	Shall be 1 if it is a SD card V2

Returns: true if success, otherwise false

Definition at line 426 of file sd_mmc.c.

◆ sdio_cmd52_set_bus_width()

static bool sdio_cmd52_set_bus_width ( void )

static

Definition at line 748 of file sd_mmc.c.

◆ sdio_cmd52_set_high_speed()

static bool sdio_cmd52_set_high_speed ( void )

static

Definition at line 752 of file sd_mmc.c.

◆ sdio_get_max_speed()

static bool sdio_get_max_speed ( void )

static

Definition at line 744 of file sd_mmc.c.

◆ sdio_op_cond()

static bool sdio_op_cond ( void )

static

Definition at line 740 of file sd_mmc.c.

Variable Documentation

◆ mmc_trans_multipliers

const uint32_t mmc_trans_multipliers[16]

Initial value:

= {
        0, 10, 12, 13, 15, 20, 26, 30, 35, 40, 45, 52, 55, 60, 70, 80
}

MMC transfer multiplier factor codes (1/10) list.

Definition at line 211 of file sd_mmc.c.

◆ sd_mmc_card

struct sd_mmc_card* sd_mmc_card

static

Pointer on current slot configurated.

Definition at line 196 of file sd_mmc.c.

◆ sd_mmc_cards

struct sd_mmc_card sd_mmc_cards[SD_MMC_MEM_CNT]

static

SD/MMC card list Note: Initialize card detect pin fields if present

Definition at line 174 of file sd_mmc.c.

◆ sd_mmc_nb_block_remaining

uint16_t sd_mmc_nb_block_remaining = 0

static

Number of block remaining to read or write on the current transfer.

Definition at line 200 of file sd_mmc.c.

◆ sd_mmc_nb_block_to_tranfer

uint16_t sd_mmc_nb_block_to_tranfer = 0

static

Number of block to read or write on the current transfer.

Definition at line 198 of file sd_mmc.c.

◆ sd_mmc_slot_sel

uint8_t sd_mmc_slot_sel

static

Index of current slot configurated.

Definition at line 194 of file sd_mmc.c.

◆ sd_mmc_trans_units

const uint32_t sd_mmc_trans_units[7]

Initial value:

= {
        10, 100, 1000, 10000, 0, 0, 0
}

SD/MMC transfer rate unit codes (10K) list.

Definition at line 203 of file sd_mmc.c.

◆ sd_trans_multipliers

const uint32_t sd_trans_multipliers[16]

Initial value:

= {
        0, 10, 12, 13, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 70, 80
}

SD transfer multiplier factor codes (1/10) list.

Definition at line 207 of file sd_mmc.c.

Classes

Macros

Enumerations

Functions

Variables

MMC, SD and SDIO commands process

Internal function to process the initialization and install

Internal functions to manage a large timeout after a card insertion

Detailed Description

Macro Definition Documentation

◆ driver_adtc_start

◆ driver_adtc_stop

◆ driver_deselect_device

◆ driver_get_bus_width

◆ driver_get_response

◆ driver_get_response_128

◆ driver_init

◆ driver_is_high_speed_capable

◆ driver_read_word

◆ driver_select_device

◆ driver_send_clock

◆ driver_send_cmd

◆ driver_start_read_blocks

◆ driver_start_write_blocks

◆ driver_wait_end_of_read_blocks

◆ driver_wait_end_of_write_blocks

◆ driver_write_word

◆ IS_SDIO

◆ SD_MMC_DEBOUNCE_TIMEOUT

◆ sd_mmc_debug

◆ SD_MMC_HSMCI_MEM_CNT

◆ sd_mmc_is_mci

◆ SD_MMC_MCI_MEM_CNT

◆ SD_MMC_SPI_MEM_CNT

◆ SD_MMC_VOLTAGE_SUPPORT

Enumeration Type Documentation

◆ card_state

Function Documentation

◆ mmc_cmd6_set_bus_width()

◆ mmc_cmd6_set_high_speed()

◆ mmc_cmd8()

◆ mmc_decode_csd()

◆ mmc_mci_op_cond()

◆ mmc_spi_op_cond()

◆ sd_acmd51()

◆ sd_acmd6()

◆ sd_cm6_set_high_speed()

◆ sd_cmd8()

◆ sd_decode_csd()

◆ sd_mci_op_cond()

◆ sd_mmc_check()

◆ sd_mmc_cmd13()

◆ sd_mmc_cmd9_mci()

◆ sd_mmc_cmd9_spi()

◆ sd_mmc_configure_slot()

◆ sd_mmc_deselect_slot()

◆ sd_mmc_get_capacity()

◆ sd_mmc_get_type()

◆ sd_mmc_get_version()

◆ sd_mmc_init()

◆ sd_mmc_init_read_blocks()

◆ sd_mmc_init_write_blocks()

◆ sd_mmc_is_write_protected()

◆ sd_mmc_mci_card_init()

◆ sd_mmc_mci_install_mmc()

◆ sd_mmc_nb_slot()

◆ sd_mmc_select_slot()

◆ sd_mmc_spi_card_init()

◆ sd_mmc_spi_install_mmc()

◆ sd_mmc_start_read_blocks()

◆ sd_mmc_start_write_blocks()

◆ sd_mmc_wait_end_of_read_blocks()

◆ sd_mmc_wait_end_of_write_blocks()

◆ sd_spi_op_cond()

◆ sdio_cmd52_set_bus_width()

◆ sdio_cmd52_set_high_speed()

◆ sdio_get_max_speed()

◆ sdio_op_cond()

Variable Documentation

◆ mmc_trans_multipliers