86 lines
2.2 KiB
CMake
86 lines
2.2 KiB
CMake
# give info about target
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SET(CMAKE_SYSTEM_NAME Generic)
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SET(CMAKE_SYSTEM_PROCESSOR avr)
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# find tools
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find_program(AVR_CC avr-gcc)
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find_program(AVR_CXX avr-g++)
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find_program(AVR_OBJCOPY avr-objcopy)
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find_program(AVR_SIZE_TOOL avr-size)
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# set compiler (globally)
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SET(CMAKE_C_COMPILER ${AVR_CC})
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SET(CMAKE_CXX_COMPILER ${AVR_CXX})
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SET(CMAKE_SHARED_LIBRARY_LINK_C_FLAGS)
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add_definitions(-mmcu=${AVR_MCU} -DF_CPU=8000000 --std=c99)
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function(add_avr_executable EXECUTABLE_NAME)
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if(NOT ARGN)
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message(FATAL_ERROR "No source files given for ${EXECUTABLE_NAME}.")
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endif(NOT ARGN)
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# set file names
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set(elf_file ${EXECUTABLE_NAME})
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set(hex_file ${EXECUTABLE_NAME}.hex)
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set(lst_file ${EXECUTABLE_NAME}.lst)
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set(map_file ${EXECUTABLE_NAME}.map)
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set(eeprom_image ${EXECUTABLE_NAME}_eeprom.hex)
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# elf file
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add_executable(${elf_file} EXCLUDE_FROM_ALL ${ARGN})
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set_target_properties(
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${elf_file}
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PROPERTIES
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COMPILE_FLAGS "-mmcu=${AVR_MCU}"
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LINK_FLAGS "-mmcu=${AVR_MCU} -Wl,--gc-sections -mrelax -Wl,-Map,${map_file}"
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)
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add_custom_command(
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OUTPUT ${hex_file}
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COMMAND
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${AVR_OBJCOPY} -j .text -j .data -O ihex ${elf_file} ${hex_file}
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COMMAND
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${AVR_SIZE_TOOL} ${AVR_SIZE_ARGS} ${elf_file}
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DEPENDS ${elf_file}
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)
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add_custom_command(
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OUTPUT ${lst_file}
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COMMAND
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${AVR_OBJDUMP} -d ${elf_file} > ${lst_file}
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DEPENDS ${elf_file}
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)
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# eeprom
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add_custom_command(
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OUTPUT ${eeprom_image}
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COMMAND
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${AVR_OBJCOPY} -j .eeprom --set-section-flags=.eeprom=alloc,load
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--change-section-lma .eeprom=0 --no-change-warnings
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-O ihex ${elf_file} ${eeprom_image}
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DEPENDS ${elf_file}
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)
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add_custom_target(
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build_${EXECUTABLE_NAME}
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ALL
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DEPENDS ${hex_file} ${lst_file} ${eeprom_image}
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)
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set_target_properties(
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build_${EXECUTABLE_NAME}
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PROPERTIES
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OUTPUT_NAME "${elf_file}"
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)
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# clean
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get_directory_property(clean_files ADDITIONAL_MAKE_CLEAN_FILES)
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set_directory_properties(
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PROPERTIES
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ADDITIONAL_MAKE_CLEAN_FILES "${map_file}"
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)
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endfunction(add_avr_executable)
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