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/*-----------------------------------------------------------------------
/  Low level disk interface module include file
/-----------------------------------------------------------------------*/

#ifndef _DISKIO_DEFINED
#define _DISKIO_DEFINED

#ifdef __cplusplus
extern "C" {
#endif

#include "integer.h"
#include "ff.h"

#include "../DataflashManager.h"


/* Status of Disk Functions */
typedef BYTE	DSTATUS;

/* Results of Disk Functions */
typedef enum {
	RES_OK = 0,		/* 0: Successful */
	RES_ERROR,		/* 1: R/W Error */
	RES_WRPRT,		/* 2: Write Protected */
	RES_NOTRDY,		/* 3: Not Ready */
	RES_PARERR		/* 4: Invalid Parameter */
} DRESULT;


/*---------------------------------------*/
/* Prototypes for disk control functions */

DSTATUS disk_initialize (BYTE);
DSTATUS disk_status (BYTE);
DRESULT disk_read (BYTE, BYTE*, DWORD, BYTE);
DRESULT disk_write (BYTE, const BYTE*, DWORD, BYTE);
DRESULT disk_ioctl (BYTE, BYTE, void*);


/* Disk Status Bits (DSTATUS) */

#define STA_NOINIT		0x01	/* Drive not initialized */
#define STA_NODISK		0x02	/* No medium in the drive */
#define STA_PROTECT		0x04	/* Write protected */


#ifdef __cplusplus
}
#endif

#endif
span> */ typedef struct { /** @brief Virtual Methods Table.*/ const struct BaseSequentialStreamVMT *vmt; _base_sequental_stream_data } BaseSequentialStream; /** * @brief Sequential Stream write. * @details The function writes data from a buffer to a stream. * * @param[in] ip pointer to a @p BaseSequentialStream or derived class * @param[in] bp pointer to the data buffer * @param[in] n the maximum amount of data to be transferred * @return The number of bytes transferred. The return value can * be less than the specified number of bytes if the * stream reaches a physical end of file and cannot be * extended. */ #define chSequentialStreamWrite(ip, bp, n) ((ip)->vmt->write(ip, bp, n)) /** * @brief Sequential Stream read. * @details The function reads data from a stream into a buffer. * * @param[in] ip pointer to a @p BaseSequentialStream or derived class * @param[out] bp pointer to the data buffer * @param[in] n the maximum amount of data to be transferred * @return The number of bytes transferred. The return value can * be less than the specified number of bytes if the * stream reaches the end of the available data. */ #define chSequentialStreamRead(ip, bp, n) ((ip)->vmt->read(ip, bp, n)) #endif /* _CHSTREAMS_H_ */ /** @} */