spi.h File Reference

Header file for the SPI HAL. More...

#include "contiki.h"
#include "gpio-hal.h"
#include <stdint.h>
#include <stdbool.h>

Go to the source code of this file.

Data Structures
struct	spi_device
	SPI Device Configuration. More...

Macros
#define	SPI_DEVICE_PORT(member, device)   (device)->port_spi_##member
	Retrieve the SPI device's port number if applicable.

Typedefs
typedef struct spi_device	spi_device_t
	SPI Device Configuration.

Enumerations
enum	spi_status_t
	SPI return codes.

Functions
spi_status_t	spi_acquire (const spi_device_t *dev)
	Locks and then opens an SPI controller.
spi_status_t	spi_release (const spi_device_t *dev)
	Closes and then unlocks an SPI controller.
spi_status_t	spi_select (const spi_device_t *dev)
	Selects the SPI peripheral.
spi_status_t	spi_deselect (const spi_device_t *dev)
	Deselects the SPI peripheral.
bool	spi_has_bus (const spi_device_t *dev)
	Checks if a device has locked an SPI controller.
spi_status_t	spi_write_byte (const spi_device_t *dev, uint8_t data)
	Writes a single byte to an SPI device.
spi_status_t	spi_read_byte (const spi_device_t *dev, uint8_t *data)
	Reads a single byte from an SPI device.
spi_status_t	spi_write (const spi_device_t *dev, const uint8_t *data, int size)
	Writes a buffer to an SPI device.
spi_status_t	spi_read (const spi_device_t *dev, uint8_t *data, int size)
	Reads a buffer from an SPI device.
spi_status_t	spi_read_skip (const spi_device_t *dev, int size)
	Reads and ignores data from an SPI device.
spi_status_t	spi_transfer (const spi_device_t *dev, const uint8_t *data, int wsize, uint8_t *buf, int rsize, int ignore)
	Performs a generic SPI transfer.
spi_status_t	spi_strobe (const spi_device_t *dev, uint8_t strobe, uint8_t *status)
	Reads and Writes one byte from/to an SPI device.
spi_status_t	spi_read_register (const spi_device_t *dev, uint8_t reg, uint8_t *data, int size)
	Reads a buffer of bytes from a register of an SPI device.
bool	spi_arch_has_lock (const spi_device_t *dev)
	Checks if a device has locked an SPI controller.
bool	spi_arch_is_bus_locked (const spi_device_t *dev)
	Checks if an SPI controller is locked by any device.
spi_status_t	spi_arch_lock_and_open (const spi_device_t *dev)
	Locks and opens an SPI controller to the configuration specified.
spi_status_t	spi_arch_close_and_unlock (const spi_device_t *dev)
	Closes and unlocks an SPI controller.
spi_status_t	spi_arch_transfer (const spi_device_t *dev, const uint8_t *data, int wlen, uint8_t *buf, int rlen, int ignore_len)
	Performs an SPI transfer.

Detailed Description

Header file for the SPI HAL.

Definition in file spi.h.