SdSpi Class Reference

SPI class for access to SD and SDHC flash memory cards. More...

#include <SdSpi.h>

Public Member Functions
void	begin (uint8_t chipSelectPin)
void	beginTransaction (uint8_t divisor)
void	endTransaction ()
uint8_t	receive ()
uint8_t	receive (uint8_t *buf, size_t n)
void	send (uint8_t data)
void	send (const uint8_t *buf, size_t n)

Detailed Description

SPI class for access to SD and SDHC flash memory cards.

Member Function Documentation

void SdSpi::begin

(

uint8_t

chipSelectPin

)

Initialize the SPI bus.

Parameters

[in]

chipSelectPin

SD card chip select pin.

void SdSpi::beginTransaction

(

uint8_t

divisor

)

Set SPI options for access to SD/SDHC cards.

Parameters

[in]

divisor

SCK clock divider relative to the system clock.

void SdSpi::endTransaction

(

)

End SPI transaction

uint8_t SdSpi::receive

(

)

Receive a byte.

Returns

The byte.

uint8_t SdSpi::receive	(	uint8_t *	buf,
		size_t	n
	)

Receive multiple bytes.

Parameters

[out]	buf	Buffer to receive the data.
[in]	n	Number of bytes to receive.

Returns

Zero for no error or nonzero error code.

void SdSpi::send

(

uint8_t

data

)

Send a byte.

Parameters

[in]

data

Byte to send

void SdSpi::send	(	const uint8_t *	buf,
		size_t	n
	)

Send multiple bytes.

Parameters

[in]	buf	Buffer for data to be sent.
[in]	n	Number of bytes to send.

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

• Arduino/libraries/SdFat/src/SdSpiCard/SdSpi.h