#ifndef _w25Q32_H
#define _W25Q32_H

#include "stm32l4xx_hal.h"

typedef enum
{
	W25Q80,
	W25Q16,
	W25Q32,
} w25q_chip_t;

typedef enum
{
	REG_SR1=1,
	REG_SR2,
	REG_SR3,
} w25q_sreg_t;

typedef struct flash_info_s
{
	char        *name;       /* Chip name */
	uint32_t     id;         /* JEDEC ID  */
	uint32_t     pagesize;   /* page size */
	uint32_t     npages;     /* page count */
	uint32_t     sectorsize; /* sector size */
	uint32_t     nsectors;   /* sector count */
	uint32_t     blocksize;  /* block size */
	uint32_t     nblocks;    /* block count */
} flash_info_t;

extern flash_info_t   *w25q;

int w25q_Init(void);
void w25q_EraseChip(void);
void w25q_EraseSector(uint32_t SectorAddr);
void w25q_EraseBlock(uint32_t BlockAddr);

uint32_t w25q_PageToSector(uint32_t PageAddress);
uint32_t w25q_PageToBlock(uint32_t PageAddress);
uint32_t w25q_SectorToBlock(uint32_t SectorAddress);
uint32_t w25q_SectorToPage(uint32_t SectorAddress);
uint32_t w25q_BlockToPage(uint32_t BlockAddress);

int w25q_IsEmptyPage(uint32_t Page_Address, uint32_t OffsetInByte, uint32_t NumByteToCheck_up_to_PageSize);
int w25q_IsEmptySector(uint32_t Sector_Address, uint32_t OffsetInByte, uint32_t NumByteToCheck_up_to_SectorSize);
int w25q_IsEmptyBlock(uint32_t Block_Address, uint32_t OffsetInByte, uint32_t NumByteToCheck_up_to_BlockSize);

void w25q_WriteByte(uint8_t pBuffer, uint32_t Bytes_Address);
void w25q_WritePage(uint8_t *pBuffer, uint32_t Page_Address, uint32_t OffsetInByte, uint32_t NumByteToWrite_up_to_PageSize);
void w25q_WriteSector(uint8_t *pBuffer, uint32_t Sector_Address, uint32_t OffsetInByte, uint32_t NumByteToWrite_up_to_SectorSize);
void w25q_WriteBlock(uint8_t *pBuffer, uint32_t Block_Address, uint32_t OffsetInByte, uint32_t NumByteToWrite_up_to_BlockSize);

void w25q_ReadByte(uint8_t *pBuffer, uint32_t Bytes_Address);
void w25q_ReadBytes(uint8_t *pBuffer, uint32_t ReadAddr, uint32_t NumByteToRead);
void w25q_ReadPage(uint8_t *pBuffer, uint32_t Page_Address, uint32_t OffsetInByte, uint32_t NumByteToRead_up_to_PageSize);
void w25q_ReadSector(uint8_t *pBuffer, uint32_t Sector_Address, uint32_t OffsetInByte, uint32_t NumByteToRead_up_to_SectorSize);
void w25q_ReadBlock(uint8_t *pBuffer, uint32_t Block_Address, uint32_t OffsetInByte, uint32_t NumByteToRead_up_to_BlockSize);

#endif