S_GlobalSettingAllVar DefaultGlobalSettingAllVar={ //Начальные настройки(устанавливаются после нажатия кнопки Reset)
   .NetSetting={
      .mac = {0x00, 0x08, 0xdc, 0xab, 0xc1, 0x11},   //6
      .ip = {192, 168, 1, 4},                     //4
      .sn = {255, 255, 0, 0},
      .gw = {192, 168, 0, 0},
   },
   .Password={"fghfgh"},
}
S_GlobalSettingAllVar GlobalSettingAllVar={ //рабочая структура
   .NetSetting={
      .mac = {0x00, 0x08, 0xdc, 0xab, 0xc1, 0x11},   //6
      .ip = {192, 168, 1, 4},                     //4
      .sn = {255, 255, 0, 0},
      .gw = {192, 168, 0, 0},
   },
   .Password={"fghfgh"},
}

void LoadFlashParams(void)
{
    //load the data from the first page
    memcpy(&flashParams, (uint32_t*)FLASH_PAGE125, sizeof(flashParams));
    uint32_t crc = crc32(0, (uint8_t*)&flashParams, sizeof(flashParams));
    if (crc != flashParams.crc)  //the first page damaged or the first time load
    {
        //load the data from a second page
        memcpy(&flashParams, (uint32_t*)FLASH_PAGE126, sizeof(flashParams));
        crc = crc32(0, (uint8_t*)&flashParams, sizeof(flashParams));
        if (crc != flashParams.crc)  //the second page damaged or the first time load
        {
            //two pages failed - initialize parameters, don't write to flash
            //INITIALIZATION OF STRUCT

            crc = crc32(0, (uint8_t*)&flashParams, sizeof(flashParams));
            flashParams.crc = crc;

            //WriteToFlash(FLASH_PAGE125);
            //WriteToFlash(FLASH_PAGE126);
        }
        else  //second page OK
        {
            //backup the data on the first page
            WriteToFlash(FLASH_PAGE125);
        }
    }
    else  //first page OK
    {
        //load the data from a second page
        memcpy(&flashParams, (uint32_t*)FLASH_PAGE126, sizeof(flashParams));
        crc = crc32(0, (uint8_t*)&flashParams, sizeof(flashParams));
        if (crc != flashParams.crc)  //the second page damaged
        {
            //backup the data on the second page
            WriteToFlash(FLASH_PAGE126);
        }
    }
}

void Write_SettingVAR_flash(void){
    //-------------------------------------------------
    FLASH->KEYR = FLASH_KEY1;
    FLASH->KEYR = FLASH_KEY2;
    //-----------------------------------------------------------------------------------------------------
    FLASH_ErasePage(ADDR_FLASH_CONST);
    FLASH_ProgramPage(ADDR_FLASH_CONST,(unsigned char*)&Global_Flash_SettingAllVar,Table_flash_Setting_len);
    //-----------------------------------------------------------------------------------------------------
    FLASH_ErasePage(ADDR_DUBLE1_FLASH_CONST);
    FLASH_ProgramPage(ADDR_DUBLE1_FLASH_CONST,(unsigned char*)&Global_Flash_SettingAllVar,Table_flash_Setting_len);
    //-----------------------------------------------------------------------------------------------------
    FLASH_ErasePage(ADDR_DUBLE2_FLASH_CONST);
    FLASH_ProgramPage(ADDR_DUBLE2_FLASH_CONST,(unsigned char*)&Global_Flash_SettingAllVar,Table_flash_Setting_len);
    //-----------------------------------------------------------------------------------------------------
    FLASH->CR |= FLASH_CR_LOCK; /* Lock the flash back */
    //-----------------------------------------------------------------------------------------------------
}