mirror of
https://github.com/osiweb/unified_retro_keyboard.git
synced 2024-06-09 13:29:32 +00:00
e9c38e3c51
- CMake build process handles dependencies much more effectively
- Cleaner separation of test and binary builds
- permit co-existing test and multiple architecture builds
- add support for AVR from cmake-avr:
https://github.com/mkleemann/cmake-avr
- new build process avoids creating files in the src directory
408 lines
13 KiB
CMake
408 lines
13 KiB
CMake
##########################################################################
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# "THE ANY BEVERAGE-WARE LICENSE" (Revision 42 - based on beer-ware
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# license):
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# <dev@layer128.net> wrote this file. As long as you retain this notice
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# you can do whatever you want with this stuff. If we meet some day, and
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# you think this stuff is worth it, you can buy me a be(ve)er(age) in
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# return. (I don't like beer much.)
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#
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# Matthias Kleemann
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##########################################################################
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##########################################################################
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# The toolchain requires some variables set.
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#
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# AVR_MCU (default: atmega8)
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# the type of AVR the application is built for
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# AVR_L_FUSE (NO DEFAULT)
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# the LOW fuse value for the MCU used
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# AVR_H_FUSE (NO DEFAULT)
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# the HIGH fuse value for the MCU used
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# AVR_UPLOADTOOL (default: avrdude)
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# the application used to upload to the MCU
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# NOTE: The toolchain is currently quite specific about
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# the commands used, so it needs tweaking.
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# AVR_UPLOADTOOL_PORT (default: usb)
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# the port used for the upload tool, e.g. usb
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# AVR_PROGRAMMER (default: avrispmkII)
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# the programmer hardware used, e.g. avrispmkII
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##########################################################################
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##########################################################################
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# options
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##########################################################################
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#option(WITH_MCU "Add the mCU type to the target file name." OFF)
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##########################################################################
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# executables in use
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##########################################################################
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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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find_program(AVR_OBJDUMP avr-objdump)
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##########################################################################
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# toolchain starts with defining mandatory variables
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##########################################################################
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set(CMAKE_SYSTEM_NAME Generic)
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set(CMAKE_SYSTEM_PROCESSOR avr)
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set(CMAKE_C_COMPILER ${AVR_CC})
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set(CMAKE_CXX_COMPILER ${AVR_CXX})
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##########################################################################
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# Identification
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##########################################################################
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set(AVR 1)
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##########################################################################
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# some necessary tools and variables for AVR builds, which may not
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# defined yet
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# - AVR_UPLOADTOOL
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# - AVR_UPLOADTOOL_PORT
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# - AVR_PROGRAMMER
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# - AVR_MCU
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# - AVR_SIZE_ARGS
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##########################################################################
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# default upload tool
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if(NOT AVR_UPLOADTOOL)
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set(
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AVR_UPLOADTOOL avrdude
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CACHE STRING "Set default upload tool: avrdude"
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)
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find_program(AVR_UPLOADTOOL avrdude)
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endif(NOT AVR_UPLOADTOOL)
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# default upload tool port
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if(NOT AVR_UPLOADTOOL_PORT)
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set(
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AVR_UPLOADTOOL_PORT usb
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CACHE STRING "Set default upload tool port: usb"
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)
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endif(NOT AVR_UPLOADTOOL_PORT)
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# default programmer (hardware)
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if(NOT AVR_PROGRAMMER)
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set(
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AVR_PROGRAMMER avrispmkII
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CACHE STRING "Set default programmer hardware model: avrispmkII"
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)
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endif(NOT AVR_PROGRAMMER)
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# default MCU (chip)
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if(NOT AVR_MCU)
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set(
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AVR_MCU atmega8
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CACHE STRING "Set default MCU: atmega8 (see 'avr-gcc --target-help' for valid values)"
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)
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endif(NOT AVR_MCU)
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#default avr-size args
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if(NOT AVR_SIZE_ARGS)
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if(APPLE)
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set(AVR_SIZE_ARGS -B)
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else(APPLE)
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set(AVR_SIZE_ARGS -C;--mcu=${AVR_MCU})
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endif(APPLE)
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endif(NOT AVR_SIZE_ARGS)
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# prepare base flags for upload tool
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set(AVR_UPLOADTOOL_BASE_OPTIONS -p ${AVR_MCU} -c ${AVR_PROGRAMMER})
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# use AVR_UPLOADTOOL_BAUDRATE as baudrate for upload tool (if defined)
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if(AVR_UPLOADTOOL_BAUDRATE)
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set(AVR_UPLOADTOOL_BASE_OPTIONS ${AVR_UPLOADTOOL_BASE_OPTIONS} -b ${AVR_UPLOADTOOL_BAUDRATE})
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endif()
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##########################################################################
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# check build types:
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# - Debug
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# - Release
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# - RelWithDebInfo
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#
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# Release is chosen, because of some optimized functions in the
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# AVR toolchain, e.g. _delay_ms().
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##########################################################################
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if(NOT ((CMAKE_BUILD_TYPE MATCHES Release) OR
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(CMAKE_BUILD_TYPE MATCHES RelWithDebInfo) OR
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(CMAKE_BUILD_TYPE MATCHES Debug) OR
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(CMAKE_BUILD_TYPE MATCHES MinSizeRel)))
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set(
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CMAKE_BUILD_TYPE Release
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CACHE STRING "Choose cmake build type: Debug Release RelWithDebInfo MinSizeRel"
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FORCE
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)
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endif(NOT ((CMAKE_BUILD_TYPE MATCHES Release) OR
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(CMAKE_BUILD_TYPE MATCHES RelWithDebInfo) OR
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(CMAKE_BUILD_TYPE MATCHES Debug) OR
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(CMAKE_BUILD_TYPE MATCHES MinSizeRel)))
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##########################################################################
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##########################################################################
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# target file name add-on
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##########################################################################
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if(WITH_MCU)
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set(MCU_TYPE_FOR_FILENAME "-${AVR_MCU}")
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else(WITH_MCU)
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set(MCU_TYPE_FOR_FILENAME "")
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endif(WITH_MCU)
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##########################################################################
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# add_avr_executable
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# - IN_VAR: EXECUTABLE_NAME
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#
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# Creates targets and dependencies for AVR toolchain, building an
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# executable. Calls add_executable with ELF file as target name, so
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# any link dependencies need to be using that target, e.g. for
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# target_link_libraries(<EXECUTABLE_NAME>-${AVR_MCU}.elf ...).
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#
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##########################################################################
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function(add_avr_executable EXECUTABLE_NAME)
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message(STATUS "target name: ${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 ${EXECUTABLE_NAME}${MCU_TYPE_FOR_FILENAME}.elf)
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set(hex_file ${EXECUTABLE_NAME}${MCU_TYPE_FOR_FILENAME}.hex)
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set(lst_file ${EXECUTABLE_NAME}${MCU_TYPE_FOR_FILENAME}.lst)
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set(map_file ${EXECUTABLE_NAME}${MCU_TYPE_FOR_FILENAME}.map)
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set(eeprom_image ${EXECUTABLE_NAME}${MCU_TYPE_FOR_FILENAME}-eeprom.hex)
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message(STATUS "elf name: ${elf_file}")
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# elf file
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add_executable(${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 ${elf_file}
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)
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add_custom_target(
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${EXECUTABLE_NAME}
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ALL
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DEPENDS ${hex_file} ${lst_file} ${eeprom_image}
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)
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set_target_properties(
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${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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# upload - with avrdude
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add_custom_target(
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upload_${EXECUTABLE_NAME}
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${AVR_UPLOADTOOL} ${AVR_UPLOADTOOL_BASE_OPTIONS} ${AVR_UPLOADTOOL_OPTIONS}
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-U flash:w:${hex_file}
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-P ${AVR_UPLOADTOOL_PORT}
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DEPENDS ${hex_file}
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COMMENT "Uploading ${hex_file} to ${AVR_MCU} using ${AVR_PROGRAMMER}"
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)
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# upload eeprom only - with avrdude
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# see also bug http://savannah.nongnu.org/bugs/?40142
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add_custom_target(
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upload_${EXECUTABLE_NAME}_eeprom
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${AVR_UPLOADTOOL} ${AVR_UPLOADTOOL_BASE_OPTIONS} ${AVR_UPLOADTOOL_OPTIONS}
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-U eeprom:w:${eeprom_image}
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-P ${AVR_UPLOADTOOL_PORT}
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DEPENDS ${eeprom_image}
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COMMENT "Uploading ${eeprom_image} to ${AVR_MCU} using ${AVR_PROGRAMMER}"
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)
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# disassemble
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add_custom_target(
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disassemble_${EXECUTABLE_NAME}
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${AVR_OBJDUMP} -h -S ${elf_file} > ${EXECUTABLE_NAME}.lst
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DEPENDS ${elf_file}
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)
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endfunction(add_avr_executable)
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##########################################################################
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# add_avr_library
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# - IN_VAR: LIBRARY_NAME
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#
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# Calls add_library with an optionally concatenated name
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# <LIBRARY_NAME>${MCU_TYPE_FOR_FILENAME}.
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# This needs to be used for linking against the library, e.g. calling
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# target_link_libraries(...).
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##########################################################################
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function(add_avr_library LIBRARY_NAME)
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if(NOT ARGN)
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message(FATAL_ERROR "No source files given for ${LIBRARY_NAME}.")
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endif(NOT ARGN)
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set(lib_file ${LIBRARY_NAME}${MCU_TYPE_FOR_FILENAME})
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add_library(${lib_file} STATIC ${ARGN})
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set_target_properties(
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${lib_file}
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PROPERTIES
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COMPILE_FLAGS "-mmcu=${AVR_MCU}"
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OUTPUT_NAME "${lib_file}"
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)
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if(NOT TARGET ${LIBRARY_NAME})
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add_custom_target(
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${LIBRARY_NAME}
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ALL
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DEPENDS ${lib_file}
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)
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set_target_properties(
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${LIBRARY_NAME}
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PROPERTIES
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OUTPUT_NAME "${lib_file}"
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)
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endif(NOT TARGET ${LIBRARY_NAME})
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endfunction(add_avr_library)
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##########################################################################
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# avr_target_link_libraries
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# - IN_VAR: EXECUTABLE_TARGET
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# - ARGN : targets and files to link to
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#
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# Calls target_link_libraries with AVR target names (concatenation,
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# extensions and so on.
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##########################################################################
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function(avr_target_link_libraries EXECUTABLE_TARGET)
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if(NOT ARGN)
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message(FATAL_ERROR "Nothing to link to ${EXECUTABLE_TARGET}.")
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endif(NOT ARGN)
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get_target_property(TARGET_LIST ${EXECUTABLE_TARGET} OUTPUT_NAME)
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foreach(TGT ${ARGN})
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if(TARGET ${TGT})
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get_target_property(ARG_NAME ${TGT} OUTPUT_NAME)
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list(APPEND NON_TARGET_LIST ${ARG_NAME})
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else(TARGET ${TGT})
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list(APPEND NON_TARGET_LIST ${TGT})
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endif(TARGET ${TGT})
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endforeach(TGT ${ARGN})
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target_link_libraries(${TARGET_LIST} ${NON_TARGET_LIST})
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endfunction(avr_target_link_libraries EXECUTABLE_TARGET)
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##########################################################################
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# avr_target_include_directories
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#
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# Calls target_include_directories with AVR target names
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##########################################################################
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function(avr_target_include_directories EXECUTABLE_TARGET)
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if(NOT ARGN)
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message(FATAL_ERROR "No include directories to add to ${EXECUTABLE_TARGET}.")
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endif()
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get_target_property(TARGET_LIST ${EXECUTABLE_TARGET} OUTPUT_NAME)
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set(extra_args ${ARGN})
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target_include_directories(${TARGET_LIST} ${extra_args})
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endfunction()
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##########################################################################
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# avr_target_compile_definitions
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#
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# Calls target_compile_definitions with AVR target names
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##########################################################################
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function(avr_target_compile_definitions EXECUTABLE_TARGET)
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if(NOT ARGN)
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message(FATAL_ERROR "No compile definitions to add to ${EXECUTABLE_TARGET}.")
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endif()
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get_target_property(TARGET_LIST ${EXECUTABLE_TARGET} OUTPUT_NAME)
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set(extra_args ${ARGN})
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target_compile_definitions(${TARGET_LIST} ${extra_args})
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endfunction()
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function(avr_generate_fixed_targets)
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# get status
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add_custom_target(
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get_status
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${AVR_UPLOADTOOL} ${AVR_UPLOADTOOL_BASE_OPTIONS} -P ${AVR_UPLOADTOOL_PORT} -n -v
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COMMENT "Get status from ${AVR_MCU}"
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)
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# get fuses
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add_custom_target(
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get_fuses
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${AVR_UPLOADTOOL} ${AVR_UPLOADTOOL_BASE_OPTIONS} -P ${AVR_UPLOADTOOL_PORT} -n
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-U lfuse:r:-:b
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-U hfuse:r:-:b
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COMMENT "Get fuses from ${AVR_MCU}"
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)
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# set fuses
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add_custom_target(
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set_fuses
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${AVR_UPLOADTOOL} ${AVR_UPLOADTOOL_BASE_OPTIONS} -P ${AVR_UPLOADTOOL_PORT}
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-U lfuse:w:${AVR_L_FUSE}:m
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-U hfuse:w:${AVR_H_FUSE}:m
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COMMENT "Setup: High Fuse: ${AVR_H_FUSE} Low Fuse: ${AVR_L_FUSE}"
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)
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# get oscillator calibration
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add_custom_target(
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get_calibration
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${AVR_UPLOADTOOL} ${AVR_UPLOADTOOL_BASE_OPTIONS} -P ${AVR_UPLOADTOOL_PORT}
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-U calibration:r:${AVR_MCU}_calib.tmp:r
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COMMENT "Write calibration status of internal oscillator to ${AVR_MCU}_calib.tmp."
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)
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# set oscillator calibration
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add_custom_target(
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set_calibration
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${AVR_UPLOADTOOL} ${AVR_UPLOADTOOL_BASE_OPTIONS} -P ${AVR_UPLOADTOOL_PORT}
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-U calibration:w:${AVR_MCU}_calib.hex
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COMMENT "Program calibration status of internal oscillator from ${AVR_MCU}_calib.hex."
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)
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endfunction()
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