/*#######################################################################################
Connect ARM to MMC/SD 

Copyright (C) 2004 Ulrich Radig
#######################################################################################*/


#ifndef _MMC_H
  #define _MMC_H  


#define SPI_Mode			0		//1 = Hardware SPI | 0 = Software SPI

#define MMC_WRITE PORTB
#define MMC_READ PINB
#define MMC_REG DDRB
 
#define MMC_CS PB4
#define MMC_DO PB6
#define MMC_DI PB5
#define MMC_CLK PB7

#define MMC_WRITE  		PORTB	//Port an der die MMC/SD-Karte angeschlossen ist also des SPI 
#define MMC_READ 			PINB
#define MMC_REG	DDRB	




  extern  unsigned char mmc_read_byte(void);
  extern  void 			mmc_write_byte(unsigned char);
  extern  void 			mmc_read_block(unsigned char *,unsigned char *,unsigned in);
  extern  unsigned char mmc_init(void);
  extern  unsigned char mmc_read_sector (unsigned long,unsigned char *);
  extern  unsigned char mmc_write_sector (unsigned long,unsigned char *);
  extern  unsigned char mmc_write_command (unsigned char *);
  
  #define mmc_disable() MMC_WRITE|= (1<<MMC_CS);

  #define mmc_enable() MMC_WRITE&=~(1<<MMC_CS);

  #define nop()  __asm__ __volatile__ ("nop" ::)

#endif