xyFC/include/arm/spi.h

/*
 * Bit-Banged SPI routines
 */

#ifndef _ARM_SPI_H
#define _ARM_SPI_H

// TODO obviously

#define SCK_on
#define SCK_off
#define SCK_dir

#define MO_on
#define MO_off
#define MO_dir

#define CS_on
#define CS_off
#define CS_dir

#define MI_1 1
#define MI_0 0
#define MI_dir

#define GDO_1 1
#define GDO_0 0
#define GDO_dir

// TODO delay 62.5ns!!
#define NOP()

#endif