spi_sdcard.h File Reference

#include <stddef.h>

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Data Structures
struct	spi_sdcard

Functions
int	spi_sdcard_init (struct spi_sdcard *card, const unsigned int bus, const unsigned int cs)
int	spi_sdcard_single_read (const struct spi_sdcard *card, size_t block_address, void *buff)
int	spi_sdcard_multiple_read (const struct spi_sdcard *card, size_t start_block_address, size_t end_block_address, void *buff)
int	spi_sdcard_single_write (const struct spi_sdcard *card, size_t block_address, void *buff)
int	spi_sdcard_read (const struct spi_sdcard *card, void *dest, size_t offset, size_t count)
int	spi_sdcard_multiple_write (const struct spi_sdcard *card, size_t start_block_address, size_t end_block_address, void *buff)
int	spi_sdcard_erase (const struct spi_sdcard *card, size_t start_block_address, size_t end_block_address)
int	spi_sdcard_erase_all (const struct spi_sdcard *card)
size_t	spi_sdcard_size (const struct spi_sdcard *card)

Function Documentation

spi_sdcard_erase()

int spi_sdcard_erase	(	const struct spi_sdcard *	card,
		size_t	start_block_address,
		size_t	end_block_address
	)

Definition at line 772 of file spi_sdcard.c.

References card, ERASE, ERASE_WR_BLK_END_ADDR, ERASE_WR_BLK_START_ADDR, NULL, SDCARD_TYPE_SDSC, spi_sdcard_do_command(), and spi_sdcard::type.

Referenced by spi_sdcard_erase_all().

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spi_sdcard_erase_all()

int spi_sdcard_erase_all

(

const struct spi_sdcard *

card

)

Definition at line 798 of file spi_sdcard.c.

References BLOCK_SIZE, card, spi_sdcard_erase(), and spi_sdcard_size().

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spi_sdcard_init()

int spi_sdcard_init	(	struct spi_sdcard *	card,
		const unsigned int	bus,
		const unsigned int	cs
	)

Definition at line 421 of file spi_sdcard.c.

References card, GO_IDLE_STATE, NULL, READ_OCR, RSP_ERR_ILLEGAL_COMMAND, RSP_ERR_IN_IDLE, SD_SEND_OP_COND, SDCARD_TYPE_SDHC, SDCARD_TYPE_SDSC, SDCARD_TYPE_SDXC, SEND_IF_COND, SEND_OP_COND, SET_BLOCKLEN, spi_sdcard::slave, spi_sdcard_disable_cs(), spi_sdcard_do_app_command(), spi_sdcard_do_command(), spi_sdcard_sendbyte(), spi_sdcard_size(), spi_setup_slave(), spi_sdcard::type, and wait().

Referenced by boot_device_init().

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spi_sdcard_multiple_read()

int spi_sdcard_multiple_read	(	const struct spi_sdcard *	card,
		size_t	start_block_address,
		size_t	end_block_address,
		void *	buff
	)

Definition at line 544 of file spi_sdcard.c.

References c, card, crc16_byte(), CT_BLOCK_START, NULL, READ_MULTIPLEBLOCK, SDCARD_TYPE_SDSC, SEND_STATUS, spi_sdcard_disable_cs(), spi_sdcard_do_command(), spi_sdcard_enable_cs(), spi_sdcard_recvbyte(), STOP_TRANSMISSION, spi_sdcard::type, and wait().

Referenced by spi_sdcard_read().

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spi_sdcard_multiple_write()

int spi_sdcard_multiple_write	(	const struct spi_sdcard *	card,
		size_t	start_block_address,
		size_t	end_block_address,
		void *	buff
	)

Definition at line 707 of file spi_sdcard.c.

References c, card, crc16_byte(), CT_MULTIPLE_BLOCK_START, CT_MULTIPLE_BLOCK_STOP, CT_RESPONSE_ACCEPTED, CT_RESPONSE_MASK, NULL, SDCARD_TYPE_SDSC, SEND_STATUS, spi_sdcard_disable_cs(), spi_sdcard_do_command(), spi_sdcard_enable_cs(), spi_sdcard_recvbyte(), spi_sdcard_sendbyte(), STOP_TRANSMISSION, spi_sdcard::type, wait(), and WRITE_MULTIPLEBLOCK.

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spi_sdcard_read()

int spi_sdcard_read	(	const struct spi_sdcard *	card,
		void *	dest,
		size_t	offset,
		size_t	count
	)

Definition at line 603 of file spi_sdcard.c.

References BLOCK_SIZE, card, count, memcpy(), offset, spi_sdcard_multiple_read(), and spi_sdcard_single_read().

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spi_sdcard_single_read()

int spi_sdcard_single_read	(	const struct spi_sdcard *	card,
		size_t	block_address,
		void *	buff
	)

Definition at line 496 of file spi_sdcard.c.

References c, card, crc16_byte(), CT_BLOCK_START, NULL, READ_SINGLE_BLOCK, SDCARD_TYPE_SDSC, spi_sdcard_disable_cs(), spi_sdcard_do_command(), spi_sdcard_enable_cs(), spi_sdcard_recvbyte(), spi_sdcard::type, and wait().

Referenced by spi_sdcard_read().

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spi_sdcard_single_write()

int spi_sdcard_single_write	(	const struct spi_sdcard *	card,
		size_t	block_address,
		void *	buff
	)

Definition at line 658 of file spi_sdcard.c.

References c, card, crc16_byte(), CT_BLOCK_START, CT_RESPONSE_ACCEPTED, CT_RESPONSE_MASK, NULL, SDCARD_TYPE_SDSC, spi_sdcard_disable_cs(), spi_sdcard_do_command(), spi_sdcard_enable_cs(), spi_sdcard_recvbyte(), spi_sdcard_sendbyte(), spi_sdcard::type, wait(), and WRITE_BLOCK.

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spi_sdcard_size()

size_t spi_sdcard_size

(

const struct spi_sdcard *

card

)

Definition at line 363 of file spi_sdcard.c.

References c, card, crc16_byte(), CT_BLOCK_START, extract_bits(), NULL, SEND_CSD, spi_sdcard_disable_cs(), spi_sdcard_do_command(), spi_sdcard_enable_cs(), spi_sdcard_recvbyte(), and wait().

Referenced by spi_sdcard_erase_all(), and spi_sdcard_init().

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