set(MCU_SUB_VARIANT 123) set(JLINK_DEVICE TM4C123GH6PM) set(LD_FILE_GNU ${CMAKE_CURRENT_LIST_DIR}/tm4c123.ld) set(OPENOCD_OPTION "-f board/ti_ek-tm4c123gxl.cfg") function(update_board TARGET) target_compile_definitions(${TARGET} PUBLIC TM4C123GH6PM ) endfunction()