#ifndef SD_SPI_H
#define SD_SPI_H

#ifdef __cplusplus
extern "C" {
#endif

#include "..\core\fatfs\source\diskio.h"
#include "..\core\rittle.h"	// declarations

// SD card SPI clock in Hz
#define SD_CARD_CLK	16000000

// current SD card index: 0=SD1, 1=SD2, ...
extern unsigned char currentSD;

// Get Disk Status
DSTATUS sd_status (
	BYTE pdrv		// Physical drive number (0)
);

// Initialise Disk Drive
DSTATUS sd_init (
	BYTE pdrv		// Physical drive number (0)
);

// Read Sector(s)
DRESULT sd_read (
	BYTE pdrv,		// Physical drive number (0)
	BYTE *buff,		// Pointer to the data buffer to store read data
	DWORD sector,	// Start sector number (LBA)
	UINT count		// Sector count (1..128)
);

// Write Sector(s)
#if FF_FS_READONLY == 0
DRESULT sd_write (
	BYTE pdrv,				// Physical drive number (0)
	const BYTE *buff,		// Pointer to the data to be written
	DWORD sector,			// Start sector number (LBA)
	UINT count				// Sector count (1..128)
);
#endif

// Miscellaneous Functions
DRESULT sd_ioctl (
	BYTE pdrv,		// Physical drive number (0)
	BYTE cmd,		// Control code
	void *buff		// Buffer to send/receive data block
);

#ifdef __cplusplus
}
#endif

#endif // SD_SPI_H