bootloader.h

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#ifndef __BOOTLOADER_H
#define __BOOTLOADER_H
 
#define STM32L4
 
#define USE_CHECKSUM 0
 
#define USE_WRITE_PROTECTION 0
 
#define SET_VECTOR_TABLE 1
 
#define CLEAR_RESET_FLAGS 1
 
#define APP_ADDRESS (uint32_t)0x08008000
 
#define END_ADDRESS (uint32_t)0x080FFFFB
 
#define CRC_ADDRESS (uint32_t)0x080FFFFC
 
#define SYSMEM_ADDRESS (uint32_t)0x1FFF0000
 
/* End of configuration ------------------------------------------------------*/
 
/* Includes ------------------------------------------------------------------*/
/* Include the appropriate header file */
#if defined(STM32L4)
#include "stm32l4xx.h"
#else
#error "Target MCU header file is not defined or unsupported."
#endif
 
/* Defines -------------------------------------------------------------------*/
#define APP_SIZE (uint32_t)(((END_ADDRESS - APP_ADDRESS) + 3) / 4)
 
#define FLASH_PAGE_NBPERBANK (256)
 
/* MCU RAM information (to check whether flash contains valid application) */
#define RAM_BASE SRAM1_BASE     
#define RAM_SIZE SRAM1_SIZE_MAX 
/* Enumerations --------------------------------------------------------------*/
 
enum eBootloaderErrorCodes
{
    BL_OK = 0,      
    BL_NO_APP,      
    BL_SIZE_ERROR,  
    BL_CHKS_ERROR,  
    BL_ERASE_ERROR, 
    BL_WRITE_ERROR, 
    BL_OBP_ERROR    
};
 
enum eFlashProtectionTypes
{
    BL_PROTECTION_NONE  = 0,   
    BL_PROTECTION_WRP   = 0x1, 
    BL_PROTECTION_RDP   = 0x2, 
    BL_PROTECTION_PCROP = 0x4, 
};
 
/* Functions -----------------------------------------------------------------*/
uint8_t Bootloader_Init(void);
uint8_t Bootloader_Erase(void);
 
uint8_t Bootloader_FlashBegin(void);
uint8_t Bootloader_FlashNext(uint64_t data);
uint8_t Bootloader_FlashEnd(void);
 
uint8_t Bootloader_GetProtectionStatus(void);
uint8_t Bootloader_ConfigProtection(uint32_t protection);
 
uint8_t Bootloader_CheckSize(uint32_t appsize);
uint8_t Bootloader_VerifyChecksum(void);
uint8_t Bootloader_CheckForApplication(void);
void Bootloader_JumpToApplication(void);
void Bootloader_JumpToSysMem(void);
 
uint32_t Bootloader_GetVersion(void);
 
#endif /* __BOOTLOADER_H */