/* * CommunicationSPI.c * * Created: 19/08/2015 17:03:21 * Author: FARAON */

#include <avr/io.h>#include "CommunicationSPI.h"

void SPI_MasterInit(){

DDR_SPI = (1 << DDR_MOSI) | (1 << DDR_SCK) | (7 << DDR_SS);SPCR = (1 << SPIE) | (1 << SPE) | (0 << DORD) | (1 << MSTR) | (0 << CPO

L) | (0 << CPHA) | (0 << SPR1) | (0 << SPR0);

return;}

void SPI_SlaveInit(void){

//Set MISO outputDDR_SPI = (1 << DDR_MISO);//Enable SPI, SlaveSPCR = (1 << SPE);

return;}

char SPI_Transfer(unsigned char c){

SPDR = c;while(!(SPSR & (1 << SPIF)));return SPDR;

}