set(MCU_VARIANT stm32l4r5xx) set(JLINK_DEVICE stm32l4r5zi) set(LD_FILE_GNU ${CMAKE_CURRENT_LIST_DIR}/STM32L4RXxI_FLASH.ld) function(update_board TARGET) target_compile_definitions(${TARGET} PUBLIC STM32L4R5xx HSE_VALUE=8000000 ) endfunction()