问在STM32H7上从RDP级别1到0的回归

EN

int main(void)
{
  HAL_Init();
  SystemClock_Config();
  MX_GPIO_Init();
  MX_USART3_UART_Init();

  OBInit.Banks     = FLASH_BANK_1;
  HAL_FLASHEx_OBGetConfig(&OBInit);
  RdpLevel = OBInit.RDPLevel;

  BSP_PB_Init(BUTTON_USER,BUTTON_MODE_GPIO);
  BSP_LED_Init(LED1);

  if ( RdpLevel == OB_RDP_LEVEL_0 )
  {
    // toggle LED1 to show RDP level
    BSP_LED_Toggle(LED1);

    /* Wait for User push-button press before starting the Communication */
    while (BSP_PB_GetState(BUTTON_USER) != GPIO_PIN_SET);

    // program OB
    HAL_FLASH_OB_Unlock();
    HAL_FLASH_Unlock();

    OBInit.OptionType = OPTIONBYTE_RDP;
    OBInit.RDPLevel   = OB_RDP_LEVEL_1;
    HAL_FLASHEx_OBProgram(&OBInit);

    /* Start the Option Bytes programming process */
    if (HAL_FLASH_OB_Launch() != HAL_OK)
    {
        /* User can add here some code to deal with this error */
        while (1)
        {
            BSP_LED_Toggle(LED1);
            HAL_Delay(200);
        }
    }

  }
  else
  {
        BSP_LED_Toggle(LED2);

      /* Wait for User push-button press before starting the Communication */
        while (BSP_PB_GetState(BUTTON_USER) != GPIO_PIN_SET);


        // program OB
        HAL_FLASH_OB_Unlock();
        HAL_FLASH_Unlock();

        OBInit.OptionType = OPTIONBYTE_RDP;
        OBInit.RDPLevel   = OB_RDP_LEVEL_0;
        HAL_FLASHEx_OBProgram(&OBInit);

        /* Start the Option Bytes programming process */
        if (HAL_FLASH_OB_Launch() != HAL_OK)
        {
            /* User can add here some code to deal with this error */
            while (1)
            {
                BSP_LED_Toggle(LED2);
                HAL_Delay(200);
            }
        }
  }
  while (1)
  {
  }
}