function(FUNC_CREATE_MEMORY_MAP filename flash_size boot_size eeprom_size)
    #memory map for linker
    SET(MEM_MAP_FILE "${filename}" )
    set(FLASH_SIZE ${flash_size}*1024)
    MATH(EXPR FLASH_SIZE "${FLASH_SIZE}")
    MATH(EXPR FLASH_BOOT_SIZE "${boot_size}*1024" OUTPUT_FORMAT HEXADECIMAL)
    MATH(EXPR FLASH_EEPROM_EMU_SIZE "${eeprom_size}*1024" OUTPUT_FORMAT HEXADECIMAL)
    MATH(EXPR FLASH_MAIN_PROG_SIZE "${FLASH_SIZE} - ${FLASH_BOOT_SIZE} - ${FLASH_EEPROM_EMU_SIZE} " OUTPUT_FORMAT HEXADECIMAL)
    MATH(EXPR  FLASH_SIZE_CALC "${FLASH_BOOT_SIZE} + ${FLASH_MAIN_PROG_SIZE} + ${FLASH_SUPPORTING_AREA_SIZE} + ${FLASH_EEPROM_EMU_SIZE}")
    if (${FLASH_SIZE_CALC} GREATER ${FLASH_SIZE} )
        message(FATAL_ERROR "FLASH_SIZE in MCU - ${FLASH_SIZE} bytes less than CALCULATED_SIZE ${FLASH_SIZE_CALC} bytes")
    elseif(${FLASH_SIZE_CALC} LESS ${FLASH_SIZE})
        message(NOTICE "FLASH_SIZE in MCU - ${FLASH_SIZE} greater than CALCULATED_SIZE ${FLASH_SIZE_CALC} , some memory areas can be increase")
    endif()

    MATH(EXPR FLASH_START_ADDRESS "0x08000000" OUTPUT_FORMAT HEXADECIMAL)
    MATH(EXPR FLASH_BOOT_START_ADDRESS "${FLASH_START_ADDRESS}" OUTPUT_FORMAT HEXADECIMAL)
    MATH(EXPR FLASH_MAIN_PROG_START_ADDRESS "${FLASH_START_ADDRESS} + ${FLASH_BOOT_SIZE}" OUTPUT_FORMAT HEXADECIMAL)
    MATH(EXPR FLASH_MAIN_PROG_END_ADDRESS "${FLASH_MAIN_PROG_START_ADDRESS} + ${FLASH_MAIN_PROG_SIZE} " OUTPUT_FORMAT HEXADECIMAL)
    MATH(EXPR FLASH_EEPROM_EMU_START_ADDRESS "${FLASH_START_ADDRESS} + ${FLASH_SIZE} - ${FLASH_EEPROM_EMU_SIZE}" OUTPUT_FORMAT HEXADECIMAL)
    MATH(EXPR EEPROM_EMU_START_ADDRESS "${FLASH_EEPROM_EMU_START_ADDRESS}" OUTPUT_FORMAT HEXADECIMAL)
    file(WRITE "${MEM_MAP_FILE}" "
    _flash_eeprom_emu_size = ${FLASH_EEPROM_EMU_SIZE};
    _flash_eeprom_emu_address = ${FLASH_EEPROM_EMU_START_ADDRESS};
    _flash_main_prog_size = ${FLASH_MAIN_PROG_SIZE};
    _flash_main_prog_address = ${FLASH_MAIN_PROG_START_ADDRESS};
    _flash_boot_size = ${FLASH_BOOT_SIZE};
    _flash_boot_address = ${FLASH_BOOT_START_ADDRESS};
")
    MATH(EXPR CRC32_USER_AREA_ADDRESS "${FLASH_MAIN_PROG_END_ADDRESS}" OUTPUT_FORMAT HEXADECIMAL)
    message(${CRC32_USER_AREA_ADDRESS})
    add_compile_definitions("EEPROM_START_ADDRESS=${FLASH_EEPROM_EMU_START_ADDRESS}"  "FLASH_USER_PROG_ADDRESS=${FLASH_MAIN_PROG_START_ADDRESS}")
    set(FLASH_MAIN_ADDRESS ${FLASH_MAIN_PROG_START_ADDRESS} PARENT_SCOPE)
endfunction()