// flash save to option bytes , 2*8 bit
int flash2_fmc_write( int data1 , int data2)
{
FLASH_Unlock();
FLASH_OB_Unlock();
FLASH_OB_Erase();
FLASH_OB_ProgramData( 0x1FFFF804, data1 );
FLASH_OB_ProgramData( 0x1FFFF806, data2 );
FLASH_Lock();
FLASH_OB_Lock();
return 0;
}
/**
* @brief Program option bytes
* @note The function HAL_FLASH_Unlock() should be called before to unlock the FLASH interface
* The function HAL_FLASH_OB_Unlock() should be called before to unlock the options bytes
* The function HAL_FLASH_OB_Launch() should be called after to force the reload of the options bytes
* (system reset will occur)
*
* @param pOBInit: pointer to an FLASH_OBInitStruct structure that
* contains the configuration information for the programming.
*
* @retval HAL_StatusTypeDef HAL Status
*/
HAL_StatusTypeDef HAL_FLASHEx_OBProgram(FLASH_OBProgramInitTypeDef *pOBInit)
{
HAL_StatusTypeDef status = HAL_ERROR;
/* Check the parameters */
assert_param(IS_OPTIONBYTE(pOBInit->OptionType));
/* Write protection configuration */
if((pOBInit->OptionType & OPTIONBYTE_WRP) == OPTIONBYTE_WRP)
{
assert_param(IS_WRPSTATE(pOBInit->WRPState));
if (pOBInit->WRPState == OB_WRPSTATE_ENABLE)
{
/* Enable of Write protection on the selected page */
status = FLASH_OB_EnableWRP(pOBInit->WRPPage);
}
else
{
/* Disable of Write protection on the selected page */
status = FLASH_OB_DisableWRP(pOBInit->WRPPage);
}
}
/* Read protection configuration */
if((pOBInit->OptionType & OPTIONBYTE_RDP) == OPTIONBYTE_RDP)
{
status = FLASH_OB_RDP_LevelConfig(pOBInit->RDPLevel);
}
/* USER configuration */
if((pOBInit->OptionType & OPTIONBYTE_USER) == OPTIONBYTE_USER)
{
status = FLASH_OB_UserConfig(pOBInit->USERConfig);
}
/* DATA configuration*/
if((pOBInit->OptionType & OPTIONBYTE_DATA) == OPTIONBYTE_DATA)
{
status = FLASH_OB_ProgramData(pOBInit->DATAAddress, pOBInit->DATAData);
}
return status;
}
