spi.c File Reference

#include "spi.h"

Data Structures
union	u_avr32_spi_cr_t
union	u_avr32_spi_csr_t
union	u_avr32_spi_idr_t
union	u_avr32_spi_ier_t
union	u_avr32_spi_mr_t
union	u_avr32_spi_tdr_t

Functions
int16_t	getBaudDiv (const uint32_t baudrate, uint32_t pb_hz)
	Calculates the baudrate divider. More...
void	spi_disable (volatile avr32_spi_t *spi)
	Disables the SPI. More...
void	spi_enable (volatile avr32_spi_t *spi)
	Enables the SPI. More...
uint8_t	spi_getStatus (volatile avr32_spi_t *spi)
	Gets status information from the SPI. More...
spi_status_t	spi_initMaster (volatile avr32_spi_t *spi, const spi_options_t *options)
	Initializes the SPI in master mode. More...
spi_status_t	spi_initSlave (volatile avr32_spi_t *spi, uint8_t bits, uint8_t spi_mode)
	Initializes the SPI in slave mode. More...
spi_status_t	spi_initTest (volatile avr32_spi_t *spi)
	Sets up the SPI in a test mode where the transmitter is connected to the receiver (local loopback). More...
bool	spi_is_enabled (volatile avr32_spi_t *spi)
	Tests if the SPI is enabled. More...
spi_status_t	spi_read (volatile avr32_spi_t *spi, uint16_t *data)
	Reads one data word in master mode or in slave mode. More...
uint8_t	spi_readRegisterFullCheck (volatile avr32_spi_t *spi)
	Checks if there is data in the receive register. More...
spi_status_t	spi_selectChip (volatile avr32_spi_t *spi, uint8_t chip)
	Selects slave chip. More...
spi_status_t	spi_selectionMode (volatile avr32_spi_t *spi, uint8_t variable_ps, uint8_t pcs_decode, uint8_t delay)
	Sets up how and when the slave chips are selected (master mode only). More...
spi_status_t	spi_setupChipReg (volatile avr32_spi_t *spi, const spi_options_t *options, uint32_t pb_hz)
	Sets options for a specific slave chip. More...
spi_status_t	spi_unselectChip (volatile avr32_spi_t *spi, uint8_t chip)
	Unselects slave chip. More...
spi_status_t	spi_variableSlaveWrite (volatile avr32_spi_t *spi, uint16_t data, uint8_t pcs, uint8_t lastxfer)
	Selects a slave in master variable peripheral select mode and writes one data word to it. More...
spi_status_t	spi_write (volatile avr32_spi_t *spi, uint16_t data)
	Writes one data word in master fixed peripheral select mode or in slave mode. More...
uint8_t	spi_writeEndCheck (volatile avr32_spi_t *spi)
	Checks if all transmissions are complete. More...
uint8_t	spi_writeRegisterEmptyCheck (volatile avr32_spi_t *spi)
	Checks if there is no data in the transmit register. More...