spi.h

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/*  ************************************************************************************************
 *
 *  Copyright (C) 2008-2009
 *      Manuel Moser (alias: el08b004), Email: el08b004@technikum-wien.at
 * 
 *  ************************************************************************************************
 * 
 *  SVN Status Information:
 *
 *      $Rev:: 108                   $: Rivision of last commit
 *      $Author:: el08b004           $: Author of last commit
 *      $Date:: 2009-01-11 17:14:24 #$: Date of last commit
 *
 *  ************************************************************************************************
 * 
 *  The following part is important for the Doxygen Documentation:
 */
/*  ************************************************************************************************  */

#ifndef SPI_H
#define SPI_H

#define DD_SPI_SS               PB0             // PIN PB0
#define DD_SPI_SCK              PB1             // PIN PB1
#define DD_SPI_MOSI             PB2             // PIN PB2
#define DD_SPI_MISO             PB3             // PIN PB3
#define DDR_SPI                 DDRB    // Port Register (PortB)
#define SPI_PORT                PORTB

#define PROPER_SPICON1  (0<<SPIE)|(1<<SPE)|(0<<DORD)|(1<<MSTR)|(0<<CPOL)|(0<<CPHA)|(0<<SPR1)|(1<<SPR0)

void SPI_MasterInit             (void);
#if 0
void SPI_SlaveInit              (void);
void SPI_go_slave               (int SlaveSelectPin);
void SPI_go_master              (void);
void SPI_leave_mode             (int ChipSelect);
#endif
void SPI_CS_high                (int ChipSelect);
void SPI_CS_low                 (int ChipSelect);
char SPI_MasterTransmit (int ChipSelect, char cData);
#if 0
char SPI_SlaveReceive   (void);
#endif

#endif

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