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SPI_AVR8.h File Reference

SPI Peripheral Driver (AVR8) More...

`#include "../../../Common/Common.h"`

## Macros
SPI Prescaler Configuration Masks
#define | SPI_SPEED_FCPU_DIV_2 SPI_USE_DOUBLESPEED
#define | SPI_SPEED_FCPU_DIV_4 0
#define | SPI_SPEED_FCPU_DIV_8 (SPI_USE_DOUBLESPEED | (1 << SPR0))
#define | SPI_SPEED_FCPU_DIV_16 (1 << SPR0)
#define | SPI_SPEED_FCPU_DIV_32 (SPI_USE_DOUBLESPEED | (1 << SPR1))
#define | SPI_SPEED_FCPU_DIV_64 (SPI_USE_DOUBLESPEED | (1 << SPR1) | (1 << SPR0))
#define | SPI_SPEED_FCPU_DIV_128 ((1 << SPR1) | (1 << SPR0))
SPI SCK Polarity Configuration Masks
#define | SPI_SCK_LEAD_RISING (0 << CPOL)
#define | SPI_SCK_LEAD_FALLING (1 << CPOL)
SPI Sample Edge Configuration Masks
#define | SPI_SAMPLE_LEADING (0 << CPHA)
#define | SPI_SAMPLE_TRAILING (1 << CPHA)
SPI Data Ordering Configuration Masks
#define | SPI_ORDER_MSB_FIRST (0 << DORD)
#define | SPI_ORDER_LSB_FIRST (1 << DORD)
SPI Mode Configuration Masks
#define | SPI_MODE_SLAVE (0 << MSTR)
#define | SPI_MODE_MASTER (1 << MSTR)

## Functions
static void | SPI_Disable (void)
static uint8_t | SPI_GetCurrentMode (void) ATTR_ALWAYS_INLINE
static void | SPI_Init (const uint8_t SPIOptions)
static uint8_t | SPI_ReceiveByte (void) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT
static void | SPI_SendByte (const uint8_t Byte) ATTR_ALWAYS_INLINE
static uint8_t | SPI_TransferByte (const uint8_t Byte) ATTR_ALWAYS_INLINE

## Detailed Description

On-chip SPI driver for the 8-bit AVR microcontrollers.

Note
  This file should not be included directly. It is automatically included as needed by the SPI driver dispatch header located in LUFA/Drivers/Peripheral/SPI.h.