/**
 * @file	spiflash.c
 * @author	chipsea
 * @brief	
 * @version	0.1
 * @date	2020-11-30
 * @copyright Copyright (c) 2020, CHIPSEA Co., Ltd.
 * @note
 */

#ifndef __SPIFLASH_H__
#define __SPIFLASH_H__

#ifdef __cplusplus
extern "C" {
#endif
	
#include "types.h"
#include "spi.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

extern uint32_t spiflash_space;

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;

extern hal_spi_t spiflash_spi;

/*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);

int spiflash_init(void);

/*gd25q16 api for user develop*/
int vendorflash_init(void);
int vendorflash_read(uint32_t addr,uint8_t *data,uint16_t len);
int vendorflash_erase(uint32_t addr,uint32_t len);
int vendorflash_write(uint32_t addr,const uint8_t *data,uint16_t len);

#ifdef __cplusplus
}
#endif


#endif