spi.c File Reference

BeagleBoard SPI bus initialization and API Support. More...

#include <bsp.h>
#include <bsp/bbb-gpio.h>
#include <bsp/spi.h>
#include <errno.h>
#include <rtems/bspIo.h>
#include <rtems/error.h>
#include <rtems/libi2c.h>
#include <stdio.h>
#include <stdlib.h>

Macros
#define	EVENT_TXEMPTY   RTEMS_EVENT_0
#define	EVENT_RXFULL   RTEMS_EVENT_1

Functions
rtems_status_code	beagle_spi_init (rtems_libi2c_bus_t *bh)
int	beagle_spi_read_bytes (rtems_libi2c_bus_t *bh, unsigned char *buf, int len)
int	beagle_spi_write_bytes (rtems_libi2c_bus_t *bh, unsigned char *buf, int len)
int	beagle_spi_ioctl (rtems_libi2c_bus_t *bh, int cmd, void *arg)
rtems_status_code	bsp_register_spi (const char *bus_path, uintptr_t register_base, rtems_vector_number irq)

Variables
rtems_libi2c_bus_ops_t	bsp_spi_ops

Detailed Description

BeagleBoard SPI bus initialization and API Support.

Based on bsps/m68k/gen68360/spi/m360_spi.c

Variable Documentation

bsp_spi_ops

rtems_libi2c_bus_ops_t bsp_spi_ops

Initial value:

= {
  init:             beagle_spi_init,
  send_start:       bsp_spi_send_start_dummy,
  send_stop:        bsp_spi_send_stop,
  send_addr:        bsp_spi_sel_addr,
  read_bytes:       beagle_spi_read_bytes,
  write_bytes:      beagle_spi_write_bytes,
  ioctl:            beagle_spi_ioctl
}