#ifndef tinySPI_h
#define tinySPI_h

#include <stdint.h>
#include <avr/io.h>
#include <util/atomic.h>
#include "defines.h"


#ifdef __cplusplus
extern "C"{
#endif

#if defined (__AVR_ATmega32__)

#elif defined (__AVR_ATmega2560__)
#define SPI_PORT PORTB
#define SPI_DDR DDRB

#define SS_PIN PB0
#define SCK_PIN PB1
#define MOSI_PIN PB2
#define MISO_PIN PB3

#elif defined (__AVR_ATmega32U4__)

#define SPI_PORT PORTB
#define SPI_DDR DDRB


#define SS_PIN PB0
#define SCK_PIN PB1
#define MOSI_PIN PB2
#define MISO_PIN PB3


#endif


void spi_init_master(void);
void spi_init_slave(void);

uint8_t spi_transfer(uint8_t spiData);



#ifdef __cplusplus
} // extern "C"
#endif

#endif