#ifndef __FLASH_H__
#define __FLASH_H__

#include "stdint.h"

#define FLASHCMD_PAGE_PROGRAM     (0x02)
#define FLASHCMD_READ_DATA        (0x03)
#define FLASHCMD_WRITE_STATUS     (0x01)
#define FLASHCMD_READ_STATUS      (0x05)
#define FLASHCMD_READ_STATUS2     (0x35)
#define FLASHCMD_WRITE_ENABLE     (0x06)
#define FLASHCMD_SECTOR_ERASE     (0x20)
#define FLASHCMD_READ_SFDP        (0x5A)
#define FLASHCMD_READ_JEDEC_ID    (0x9F)

#define SREG_DATA                 (0x02)  // Enable quad-SPI mode
#define MODE_CONTINUOUS_READ      (0xA0)

#define FLASH_WRITE_SIZE          (256)
#define FLASH_READ_SIZE           (256)
#define FLASH_ERASE_SIZE          (4096)

#ifdef __cplusplus
extern "C" {
#endif

void flash_erase(uint32_t addr);
void flash_write(uint32_t addr, uint8_t *data, uint32_t length);
void flash_read(uint32_t addr, uint8_t *data, uint32_t length);
void flash_enter_quad_xip(uint16_t div);

#ifdef __cplusplus
}
#endif

#endif /* __FLASH_H__ */