tm_stm32f4_otp.h

#ifndef TM_OTP_H
#define TM_OTP_H 100

/* C++ detection */
#ifdef __cplusplus
extern C {
#endif

#include "stm32f4xx.h"
#include "stm32f4xx_rcc.h"
#include "stm32f4xx_flash.h"
#include "defines.h"

#define OTP_START_ADDR      (0x1FFF7800)

#define OTP_LOCK_ADDR       (0x1FFF7A00)
    
#define OTP_BLOCKS          16

#define OTP_BYTES_IN_BLOCK  32

#define OTP_SIZE            (OTP_BLOCKS * OTP_BYTES_IN_BLOCK)

typedef enum {
    TM_OTP_Result_Ok = 0,  
    TM_OTP_Result_Error    
} TM_OTP_Result_t;

TM_OTP_Result_t TM_OTP_Write(uint8_t block, uint8_t byte, uint8_t data);

uint8_t TM_OTP_Read(uint8_t block, uint8_t byte);

TM_OTP_Result_t TM_OTP_BlockLock(uint8_t block);

#define TM_OTP_BlockLocked(block)   ((*(__IO uint8_t *) (OTP_LOCK_ADDR + block)) == 0x00 ? 1 : 0)

/* C++ detection */
#ifdef __cplusplus
}
#endif

#endif