61 lines
2.1 KiB
CMake
61 lines
2.1 KiB
CMake
# Project name
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project(usbLedController C CXX ASM)
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# CMake version
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cmake_minimum_required(VERSION 3.0)
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# Options
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set(MCU "attiny44" CACHE STRING "Processor Type")
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set(CPU_SPEED "12000000" CACHE STRING "Speed of the CPU")
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set(PROGRAMMER "usbasp" CACHE STRING "Programmer Type")
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set(COMPILE_FLAGS "" CACHE STRING "Additional Compiler Flags")
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# Set own source files
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set(SRC_FILES main.c writepin.c usbdrv/usbdrvasm.S usbdrv/usbdrv.c usbdrv/oddebug.c)
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# Compiler suite specification
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set(CMAKE_C_COMPILER /usr/bin/avr-gcc)
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set(CMAKE_CXX_COMPILER /usr/bin/avr-g++)
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set(CMAKE_ASM_COMPILER /usr/bin/avr-gcc)
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set(CMAKE_OBJCOPY /usr/bin/avr-objcopy)
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set(CMAKE_OBJDUMP /usr/bin/avr-objdump)
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set(CMAKE_RANLIB /usr/bin/avr-ranlib)
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set(CMAKE_LINKER /usr/bin/avr-ld)
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# Compiler flags
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add_definitions(-mmcu=${MCU} -DF_CPU=${CPU_SPEED} -c -g -O2 -flto -ffunction-sections -fdata-sections )
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set(CMAKE_CXX_FLAGS "-std=c++17 -fno-exceptions -fno-rtti")
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# Linker flags
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set(CMAKE_SHARED_LIBRARY_LINK_C_FLAGS "") # remove -rdynamic for C
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set(CMAKE_SHARED_LIBRARY_LINK_CXX_FLAGS "") # remove -rdynamic for CXX
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set(CMAKE_SHARED_LIBRARY_LINK_ASM_FLAGS "") # remove -rdynamic for ASM
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set(CMAKE_EXE_LINKER_FLAGS "-s -Os -Wl,--gc-sections -mmcu=${MCU}")
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add_executable(${PROJECT_NAME} ${SRC_FILES})
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find_program(AR_AVRDUDE NAMES avrdude PATHS /usr/bin NO_DEFAULT_PATH)
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find_program(AR_AVRSIZE NAMES avr-size PATHS /usr/bin NO_DEFAULT_PATH)
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add_custom_target(download
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COMMAND ${CMAKE_OBJCOPY} -j .text -j .data -O ihex ${PROJECT_NAME} ${PROJECT_NAME}.hex
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COMMAND ${AR_AVRSIZE} -C ${PROJECT_NAME}
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COMMAND ${AR_AVRDUDE} -B 20 -v -p ${MCU} -c ${PROGRAMMER} -U flash:w:${PROJECT_NAME}.hex
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DEPENDS ${PROJECT_NAME}
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)
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message(STATUS "${CPU_SPEED}")
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add_custom_target(export
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COMMAND ${CMAKE_OBJCOPY} -j .text -j .data -O ihex ${PROJECT_NAME} ${PROJECT_NAME}.hex
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COMMAND ${AR_AVRSIZE} -C ${PROJECT_NAME}
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DEPENDS ${PROJECT_NAME}
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)
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add_custom_target(fuses
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COMMAND ${AR_AVRDUDE} -B 100 -v -p ${MCU} -c ${PROGRAMMER} -U lfuse:w:0xEE:m -U hfuse:w:0xDF:m -U efuse:w:0xFF:m -U lock:w:0xFF:m
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)
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target_include_directories(${PROJECT_NAME} PRIVATE ./usbdrv)
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