/*
 * flash.h
 *
 *  Created on: Apr 12, 2024
 *  Author: Francesco Gritti
 */

#ifndef FLASH_H_
#define FLASH_H_

#include "mcu.h"






#define FLASH_PSIZE_BYTE          0x00000000U
#define FLASH_PSIZE_HALF_WORD     0x00000100U
#define FLASH_PSIZE_WORD          0x00000200U
#define FLASH_PSIZE_DOUBLE_WORD   0x00000300U
#define CR_PSIZE_MASK             0xFFFFFCFFU

#define FLASH_VOLTAGE_RANGE_1     0x00000000U  /*!< Device operating range: 1.8V to 2.1V                */
#define FLASH_VOLTAGE_RANGE_2     0x00000001U  /*!< Device operating range: 2.1V to 2.7V                */
#define FLASH_VOLTAGE_RANGE_3     0x00000002U  /*!< Device operating range: 2.7V to 3.6V                */
#define FLASH_VOLTAGE_RANGE_4     0x00000003U  /*!< Device operating range: 2.7V to 3.6V + External Vpp */

#define FLASH_SECTOR_0     0U /*!< Sector Number 0   */
#define FLASH_SECTOR_1     1U /*!< Sector Number 1   */
#define FLASH_SECTOR_2     2U /*!< Sector Number 2   */
#define FLASH_SECTOR_3     3U /*!< Sector Number 3   */
#define FLASH_SECTOR_4     4U /*!< Sector Number 4   */
#define FLASH_SECTOR_5     5U /*!< Sector Number 5   */
#define FLASH_SECTOR_6     6U /*!< Sector Number 6   */
#define FLASH_SECTOR_7     7U /*!< Sector Number 7   */

#define FLASH_SECTOR_TOTAL 8U

#define FLASH_TIMEOUT_VALUE       50000U /* 50 s */




#define flash_is_locked() ((FLASH->CR & FLASH_CR_LOCK) != 0)


void flash_unlock (void);
void flash_lock (void);

void flash_wait_last_op();

void flash_erase_page (u32 page);
u8 flash_program_word (u32 address, u32 data);
u8 flash_program_hword (u32 address, u16 data);











#endif /* FLASH_H_ */