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#ifndef __SPIFLASH_H__
#define __SPIFLASH_H__

#include "types.h"

/*gd25q16 cmd define*/
#define FLASH_WREN						0x06
#define FLASH_WRDIS						0x04	
#define FLASH_CE							0x60
//#define FLASH_CE						0xC7

#define FLASH_DP							0xB9
#define FLASH_RDI							0xAB
#define FLASH_SE							0x20
#define FLASH_BE_32KB					0x52
#define FLASH_BE_64KB					0xD8
#define FLASH_WRSR						0x01
#define FLASH_RDID						0x9F
#define FLASH_RDSR_LOW				0x05
#define FLASH_RDSR_HIGH				0x35
#define FLASH_PP							0x02
#define FLASH_READ						0x03	

#define FLASH_PES												0x75
#define FLASH_PER												0x7A
//#define FLASH_BE_128KB									0xD2
//#define FLASH_CRS												0xFF
//#define FLASH_DUAL_FAST_READ						0x3B
//#define FLASH_DUAD_FAST_READ						0x6B
//#define FLASH_DUAL_IO_FAST_READ					0xBB
//#define FLASH_DUAD_IO_FAST_READ					0xEB
//#define FALSH_QUAD_IO_WORD_FAST_READ		0xE7
//#define FLASH_HPM												0xA3
//#define FLASH_FAST_READ									0x0B
//#define FLASH_REMS						0x90

typedef enum{	
	FLASH_ERROR = 0,
	FLASH_IDLE = 1,
	FLASH_ERASING = 2,
	FALSH_DATA_WRITING = 3,
	FLASH_STATUS_WRITEING = 4,
	FLASH_READING = 5
}FLASH_STATUS_e;

/*gd25q16 api for hardware debug*/
uint32_t spiflash_read_identification(void);
uint16_t spiflash_read_status_register(uint8_t bitsSel);
bool spiflash_bus_busy(void);
void spiflash_program_erase_suspend(void);
void spiflash_program_erase_resume(void);
void spiflash_deep_powerdown(void);
void spiflash_release_from_powerdown(void);

void spiflash_write_enable(void);
void spiflash_write_disable(void);
void spiflash_chip_erase(void);
void spiflash_sector_erase(uint32_t addr);
void spiflash_block_erase_32KB(uint32_t addr);
void spiflash_block_erase_64KB(uint32_t addr);
void spiflash_write_status_register(uint8_t data);

void spiflash_write(uint32_t addr,uint8_t* tx_buf,uint16_t tx_len);
void spiflash_read(uint32_t addr,uint8_t* rx_buf,uint16_t rx_len);

/*gd25q16 api for user develop*/
int GD25_init(void);
int GD25_read(uint32_t addr,uint8_t *data,uint8_t len);
int GD25_erase(uint32_t addr,uint32_t len);
int GD25_write(uint32_t addr,const uint8_t *data,uint8_t len);
#endif