code 1: start:
int main(void)
{
/* USER CODE BEGIN 1 */
LL_SYSCFG_SetRemapMemory(LL_SYSCFG_REMAP_FLASH);
LL_SYSCFG_SetFlashBankMode(LL_SYSCFG_BANKMODE_BANK2);
……
}
code 2:switch:
void switchFlashBankToUpgrade(uint16_t BootBank)
{
HAL_FLASH_OB_Unlock();
HAL_FLASHEx_OBGetConfig(&OB_Init_t);
HAL_FLASHEx_AdvOBGetConfig(&OBAdv_Init_t);
OB_Init_t.OptionType = OPTIONBYTE_BOOT_BIT1;//OPTIONBYTE_RDP | | OPTIONBYTE_WRP;
// OB_Init_t.RDPLevel = OB_RDP_LEVEL_0;
// OB_Init_t.WRPState = OB_WRPSTATE_DISABLE;
// OB_Init_t.WRPSector = OB_WRP_AllPages;
// OB_Init_t.WRPSector2 = OB_WRP2_AllPages;
OB_Init_t.BOOTBit1Config = OB_BOOT_BIT1_RESET;
HAL_FLASHEx_OBProgram(&OB_Init_t);
OBAdv_Init_t.OptionType = OPTIONBYTE_BOOTCONFIG;// | OPTIONBYTE_PCROP;
OBAdv_Init_t.BootConfig = BootBank;
// OBAdv_Init_t.PCROPState = OB_PCROP_STATE_DISABLE;
// OBAdv_Init_t.PCROPSector = OB_PCROP_AllPages;
// OBAdv_Init_t.PCROPSector2 = OB_PCROP2_AllPages;
HAL_FLASHEx_AdvOBProgram(&OBAdv_Init_t);
printf("DEBUG_FLASH_OB:->> Ready to reload OB!\r\n");
HAL_FLASH_OB_Launch();
HAL_FLASH_OB_Lock();
}
