hal stm32f031 设置读保护

void ROP(void) {
    static FLASH_OBProgramInitTypeDef OptionsBytesStruct;
    HAL_FLASH_Unlock(); //解锁Flash
    HAL_FLASH_OB_Unlock(); //解锁选项字节区
    HAL_FLASHEx_OBGetConfig(&OptionsBytesStruct); //读取选项字节设置
    //检测RDP的设置是否低于LEVEL 1
    if (OptionsBytesStruct.RDPLevel < OB_RDP_LEVEL_1) {
        OptionsBytesStruct.OptionType = OPTIONBYTE_RDP;    //重写选项字
        OptionsBytesStruct.RDPLevel = OB_RDP_LEVEL_1;
        //如果写入没成功
        if (HAL_FLASHEx_OBProgram(&OptionsBytesStruct) != HAL_OK) {
            //自己加个led什么的提示
        } else {
            HAL_FLASH_OB_Launch();
        }
    }
    HAL_FLASH_OB_Lock();    //锁定选项字节
    HAL_FLASH_Lock();
}

标签：OptionsBytesStruct,HAL,RDP,LEVEL,FLASH,OB,设置,hal,stm32f031
来源： https://www.cnblogs.com/jnhs/p/15825905.html