82 lines
2.2 KiB
CMake
82 lines
2.2 KiB
CMake
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cmake_minimum_required(VERSION 3.15)
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# Project name
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project("Blink")
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# Product filename
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set(PRODUCT_NAME blink)
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set(F_CPU 16000000UL)
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set(MCU atmega328p)
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set(BAUD 9600)
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set(PROG_TYPE arduino)
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set(PROG_PORT /dev/ttyACM0)
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set(CMAKE_SYSTEM_NAME Generic)
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set(CMAKE_CXX_COMPILER avr-g++)
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set(CMAKE_C_COMPILER avr-gcc)
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set(CMAKE_ASM_COMPILER avr-gcc)
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set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
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add_definitions(
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-DF_CPU=${F_CPU}
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-DBAUD=${BAUD}
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)
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include_directories(SYSTEM /usr/avr/include)
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set(CMAKE_EXE_LINKER_FLAGS -mmcu=${MCU})
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add_compile_options(
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-mmcu=${MCU} # MCU
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-std=gnu++17
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-Os # optimize
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-Wall # enable warnings
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-Wno-main
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-Wundef
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-pedantic
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-Werror
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-Wfatal-errors
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-Wl,--relax,--gc-sections
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-g
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-gdwarf-2
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-funsigned-char # a few optimizations
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-funsigned-bitfields
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-fpack-struct
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-fshort-enums
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-ffunction-sections
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-fdata-sections
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-fno-split-wide-types
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-fno-tree-scev-cprop
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)
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# Create one target
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add_executable(${PRODUCT_NAME}
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src/blink.cpp
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)
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# Rename the output to .elf as we will create multiple files
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set_target_properties(${PRODUCT_NAME} PROPERTIES OUTPUT_NAME ${PRODUCT_NAME}.elf)
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# Strip binary for upload
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add_custom_target(strip ALL avr-strip ${PRODUCT_NAME}.elf DEPENDS ${PRODUCT_NAME})
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# Transform binary into hex file, we ignore the eeprom segments in the step
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add_custom_target(hex ALL avr-objcopy -R .eeprom -O ihex ${PRODUCT_NAME}.elf ${PRODUCT_NAME}.hex DEPENDS strip)
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# Transform binary into hex file, this is the eeprom part (empty if you don't
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# use eeprom static variables)
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add_custom_target(eeprom avr-objcopy -j .eeprom --set-section-flags=.eeprom="alloc,load" --change-section-lma .eeprom=0 -O ihex ${PRODUCT_NAME}.elf ${PRODUCT_NAME}.eep DEPENDS strip)
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# Upload the firmware with avrdude
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add_custom_target(upload avrdude -c ${PROG_TYPE} -P ${PROG_PORT} -p ${MCU} -U flash:w:${PRODUCT_NAME}.hex DEPENDS hex)
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# Upload the eeprom with avrdude
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add_custom_target(upload_eeprom avrdude -c ${PROG_TYPE} -P ${PROG_PORT} -p ${MCU} -U eeprom:w:${PRODUCT_NAME}.eep DEPENDS eeprom)
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# Clean extra files
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set_directory_properties(PROPERTIES ADDITIONAL_MAKE_CLEAN_FILES "${PRODUCT_NAME}.hex;${PRODUCT_NAME}.eeprom;${PRODUCT_NAME}.lst")
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