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LUFA Library
120219
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SPI Peripheral Driver (XMEGA) More...
#include "../../../Common/Common.h"
Defines | |
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 << SPI_PRESCALER_gp)) |
#define | SPI_SPEED_FCPU_DIV_16 (1 << SPI_PRESCALER_gp) |
#define | SPI_SPEED_FCPU_DIV_32 (SPI_USE_DOUBLESPEED | (2 << SPI_PRESCALER_gp)) |
#define | SPI_SPEED_FCPU_DIV_64 (2 << SPI_PRESCALER_gp) |
#define | SPI_SPEED_FCPU_DIV_128 (3 << SPI_PRESCALER_gp) |
SPI SCK Polarity Configuration Masks | |
#define | SPI_SCK_LEAD_RISING 0 |
#define | SPI_SCK_LEAD_FALLING SPI_MODE1_bm |
SPI Sample Edge Configuration Masks | |
#define | SPI_SAMPLE_LEADING 0 |
#define | SPI_SAMPLE_TRAILING SPI_MODE0_bm |
SPI Data Ordering Configuration Masks | |
#define | SPI_ORDER_MSB_FIRST 0 |
#define | SPI_ORDER_LSB_FIRST SPI_DORD_bm |
SPI Mode Configuration Masks | |
#define | SPI_MODE_SLAVE 0 |
#define | SPI_MODE_MASTER SPI_MASTER_bm |
Functions | |
static void | SPI_Init (SPI_t *const SPI, const uint8_t SPIOptions) |
static void | SPI_Disable (SPI_t *const SPI) |
static uint8_t | SPI_GetCurrentMode (SPI_t *const SPI) ATTR_ALWAYS_INLINE |
static uint8_t | SPI_TransferByte (SPI_t *const SPI, const uint8_t Byte) ATTR_ALWAYS_INLINE |
static void | SPI_SendByte (SPI_t *const SPI, const uint8_t Byte) ATTR_ALWAYS_INLINE |
static uint8_t | SPI_ReceiveByte (SPI_t *const SPI) ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT |
On-chip SPI driver for the XMEGA microcontrollers.