megarf_spi/spi_master.h File Reference

SPI master driver definition for megaRF.

Copyright (c) 2013-2018 Microchip Technology Inc. and its subsidiaries.

#include "compiler.h"
#include "status_codes.h"
#include "ioport.h"
#include "spi_megarf.h"
#include "conf_spi_master.h"

Data Structures
struct	spi_device

Spi Master Management Configuration
#define	CONFIG_SPI_MASTER_DUMMY   0xFF
#define	SPI_CPHA   (1 << 0)
	Clock phase. More...
#define	SPI_CPOL   (1 << 1)
	Clock polarity. More...
#define	SPI_MODE_0   0
	SPI mode 0. More...
#define	SPI_MODE_1   (SPI_CPHA)
	SPI mode 1. More...
#define	SPI_MODE_2   (SPI_CPOL)
	SPI mode 2. More...
#define	SPI_MODE_3   (SPI_CPOL | SPI_CPHA)
	SPI mode 3. More...
typedef uint8_t	spi_flags_t
typedef uint32_t	board_spi_select_id_t
void	spi_master_init (volatile void *spi)
	Initializes the SPI in master mode. More...
void	spi_master_setup_device (volatile void *spi, struct spi_device *device, spi_flags_t flags, unsigned long baud_rate, board_spi_select_id_t sel_id)
	Setup a SPI device. More...
void	spi_select_device (volatile void *spi, struct spi_device *device)
	Select given device on the SPI bus. More...
void	spi_deselect_device (volatile void *spi, struct spi_device *device)
	Deselect given device on the SPI bus. More...
status_code_t	spi_write_packet (volatile void *spi, const uint8_t *data, size_t len)
	Send a sequence of bytes to a SPI device. More...
status_code_t	spi_read_packet (volatile void *spi, uint8_t *data, size_t len)
	Receive a sequence of bytes from a SPI device. More...
static void	spi_read_single (volatile void *spi, uint8_t *data)
	Receive one byte from a SPI device. More...
static __always_inline void	spi_write_single (volatile void *spi, uint8_t data)
	Write one byte to a SPI device. More...
static bool	spi_is_tx_empty (volatile void *spi)
	Checks if all transmissions are complete. More...
static bool	spi_is_tx_ready (volatile void *spi)
	Checks if all transmissions is ready. More...
static bool	spi_is_rx_full (volatile void *spi)
	Tests if the SPI contains a received character. More...
static bool	spi_is_rx_ready (volatile void *spi)
	Checks if all reception is ready. More...