Posted on March 30, 2017 at 10:13Hi,
I would like to use a software read protection on STM32F0. I've made such a function:
PROTECT_STATUS ReadProtectionConfig(uint8_t ProtectionLevel)
{
uint8_t status = OK;
FLASH_OBProgramInitTypeDef OB_Init;
HAL_FLASH_Unlock();
HAL_FLASH_OB_Unlock();
OB_Init.OptionType = OPTIONBYTE_RDP;
if (ProtectionLevel == 0) {
OB_Init.RDPLevel = OB_RDP_LEVEL_0;
} else if (ProtectionLevel == 1) {
OB_Init.RDPLevel = OB_RDP_LEVEL_1;
} else if (ProtectionLevel == 2) {
OB_Init.RDPLevel = OB_RDP_LEVEL_2;
} else {
status = RDPLevel_Error;
return status;
}
HAL_FLASHEx_OBProgram(&OB_Init);
HAL_FLASH_OB_Launch();
HAL_FLASH_OB_Lock();
HAL_FLASH_Lock();
return status;
}
but it don't work properly. I mean even if I choose
OB_RDP_LEVEL_0 it blocks read out of flash memory. It is because the program can't perform the HAL_FLASH_OB_Launch(); function.
My problem is that I don't know why it happens and what should I do to make it better.
Could you help me?
Regards,
Kasia
#stm32f0-read-out-protection #read-out-protection #stm32f072 #stm32f0
