nand.h

//(c) uARM project    https://github.com/uARM-Palm/uARM    uARM@dmitry.gr

#ifndef _NAND_H_
#define _NAND_H_

#include "mem.h"
#include "CPU.h"
#include <stdio.h> 
#include "soc_GPIO.h"



struct NAND;

typedef void (*NandReadyCbk)(void *userData, bool ready);


//options
#define NAND_FLAG_SAMSUNG_ADDRESSED_VIA_AREAS			0x01		//use 0x01 and 0x50 commands to save one bit on byte addressing
#define NAND_HAS_SECOND_READ_CMD						0x02


struct NandSpecs {
	uint32_t bytesPerPage;
	uint32_t blocksPerDevice;
	uint8_t pagesPerBlockLg2;
	uint8_t flags;
	uint8_t devIdLen;
	uint8_t devId[];
};

struct NAND* nandInit(FILE *nandFile, const struct NandSpecs *specs, NandReadyCbk readyCbk, void *readyCbkData);

void nandSecondReadyCbkSet(struct NAND* nand, NandReadyCbk readyCbk, void *readyCbkData);

bool nandWrite(struct NAND* nand, bool cle, bool ale, uint8_t val);
bool nandRead(struct NAND* nand, bool cle, bool ale, uint8_t *valP);

bool nandIsReady(struct NAND *nand);

void nandPeriodic(struct NAND *nand);

#endif