Handling of SPI hardware for Linux. More...

#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <fcntl.h>
#include <string.h>
#include <sys/ioctl.h>
#include <linux/spi/spidev.h>
#include "mcu_periph/spi.h"
#include <BOARD_CONFIG>

Include dependency graph for spi_arch.c:

Go to the source code of this file.

Macros
#define	SPI0_MODE (SPI_CPOL \| SPI_CPHA)

#define	SPI0_LSB_FIRST 0

#define	SPI0_BITS_PER_WORD 8

#define	SPI0_MAX_SPEED_HZ 1000000

#define	SPI1_MODE (SPI_CPOL \| SPI_CPHA)

#define	SPI1_LSB_FIRST 0

#define	SPI1_BITS_PER_WORD 8

#define	SPI1_MAX_SPEED_HZ 1000000

Functions
void	spi_init_slaves (void)
	Initialize all used slaves and unselect them.

bool	spi_submit (struct spi_periph p, struct spi_transaction t)
	Submit a spi transaction.

bool	spi_lock (struct spi_periph *p, uint8_t slave)
	Lock the SPI fifo.

bool	spi_resume (struct spi_periph *p, uint8_t slave)
	Resume the SPI fifo.

void	spi0_arch_init (void)
	Architecture dependent SPI0 initialization.

void	spi1_arch_init (void)
	Architecture dependent SPI1 initialization.

Detailed Description

Handling of SPI hardware for Linux.

Definition in file spi_arch.c.

Macro Definition Documentation

◆ SPI0_BITS_PER_WORD

#define SPI0_BITS_PER_WORD 8

Definition at line 130 of file spi_arch.c.

◆ SPI0_LSB_FIRST

#define SPI0_LSB_FIRST 0

Definition at line 126 of file spi_arch.c.

◆ SPI0_MAX_SPEED_HZ

#define SPI0_MAX_SPEED_HZ 1000000

Definition at line 134 of file spi_arch.c.

◆ SPI0_MODE

#define SPI0_MODE (SPI_CPOL | SPI_CPHA)

Definition at line 122 of file spi_arch.c.

◆ SPI1_BITS_PER_WORD

#define SPI1_BITS_PER_WORD 8

Definition at line 186 of file spi_arch.c.

◆ SPI1_LSB_FIRST

#define SPI1_LSB_FIRST 0

Definition at line 182 of file spi_arch.c.

◆ SPI1_MAX_SPEED_HZ

#define SPI1_MAX_SPEED_HZ 1000000

Definition at line 190 of file spi_arch.c.

◆ SPI1_MODE

#define SPI1_MODE (SPI_CPOL | SPI_CPHA)

Definition at line 178 of file spi_arch.c.

Macros

Functions