123 lines
3.8 KiB
CMake
123 lines
3.8 KiB
CMake
cmake_minimum_required(VERSION 3.26)
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project(Blink VERSION 0.1.0.0 LANGUAGES C ASM)
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set(CMAKE_C_STANDARD 17)
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if(NOT M_TYPE)
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set(M_TYPE attiny13a)
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endif()
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if(NOT P_CLK)
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set(P_CLK 256kHz)
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endif()
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if(NOT P_TYPE)
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set(P_TYPE usbasp)
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endif()
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if(NOT P_PORT)
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set(P_PORT /dev/usb/lp0)
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endif()
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if(NOT F_CPU)
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set(F_CPU 1000000)
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endif()
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set(SOURCE_FILES defs.h main.c)
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########################################################################################################################
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find_program(M_CC avr-gcc REQUIRED)
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find_program(M_CXX avr-g++ REQUIRED)
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find_program(M_UPLOAD_TOOL avrdude REQUIRED)
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find_program(M_OBJCOPY avr-objcopy REQUIRED)
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find_program(M_SIZE avr-size REQUIRED)
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find_program(M_OBJDUMP avr-objdump REQUIRED)
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set(CMAKE_C_COMPILER ${M_CC})
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set(CMAKE_CXX_COMPILER ${M_CXX})
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if(DEFINED $ENV{AVR_ROOT_PATH})
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set(AVR_ROOT_PATH $ENV{AVR_ROOT_PATH})
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else()
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if(EXISTS "/usr/avr")
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set(AVR_ROOT_PATH "/usr/avr")
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elseif(EXISTS "/opt/local/avr")
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set(AVR_ROOT_PATH "/opt/local/avr")
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elseif(EXISTS "/usr/lib/avr")
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set(AVR_ROOT_PATH "/usr/lib/avr")
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else()
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message(FATAL_ERROR "Please set AVR_ROOT_PATH in your environment.")
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endif()
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endif()
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set(CMAKE_SYSTEM_INCLUDE_PATH "${AVR_ROOT_PATH}/include")
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set(CMAKE_SYSTEM_LIBRARY_PATH "${AVR_ROOT_PATH}/lib")
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########################################################################################################################
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set(M_FLAGS -c ${P_TYPE} -p ${M_TYPE} -P ${P_PORT} -B ${P_CLK})
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add_definitions("-DF_CPU=${F_CPU}")
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add_definitions("-fpack-struct")
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add_definitions("-fshort-enums")
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add_definitions("-funsigned-char")
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add_definitions("-funsigned-bitfields")
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add_definitions("-ffunction-sections")
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add_definitions("-Wall")
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add_definitions("-Werror")
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if(NOT CMAKE_BUILD_TYPE OR NOT (CMAKE_BUILD_TYPE MATCHES Release OR CMAKE_BUILD_TYPE MATCHES Debug))
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set(CMAKE_BUILD_TYPE Debug)
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endif()
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if(CMAKE_BUILD_TYPE MATCHES Release)
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set(CMAKE_C_FLAGS_RELEASE "-Os -fno-asynchronous-unwind-tables")
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set(CMAKE_CXX_FLAGS_RELEASE "-Os -fno-asynchronous-unwind-tables")
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endif()
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if(CMAKE_BUILD_TYPE MATCHES Debug)
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set(CMAKE_C_FLAGS_DEBUG "-O0 -save-temps -g -gdwarf-3 -gstrict-dwarf")
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set(CMAKE_CXX_FLAGS_DEBUG "-O0 -save-temps -g -gdwarf-3 -gstrict-dwarf")
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endif()
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########################################################################################################################
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function(add_mcu_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()
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set(elf_file ${M_TYPE}-${EXECUTABLE_NAME}.elf)
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set(map_file ${M_TYPE}-${EXECUTABLE_NAME}.map)
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set(hex_file ${M_TYPE}-${EXECUTABLE_NAME}.hex)
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set(eeprom_file ${M_TYPE}-${EXECUTABLE_NAME}-eeprom.hex)
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add_executable(${elf_file} EXCLUDE_FROM_ALL ${ARGN})
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set_target_properties(${elf_file} PROPERTIES
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COMPILE_FLAGS "-mmcu=${M_TYPE}"
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LINK_FLAGS "-mmcu=${M_TYPE} -Wl,--gc-sections -mrelax -Wl,-Map,${map_file}")
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add_custom_command(OUTPUT ${hex_file}
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COMMAND ${M_OBJCOPY} -j .text -j .data -O ihex ${elf_file} ${hex_file}
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DEPENDS ${elf_file})
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add_custom_command(OUTPUT ${eeprom_file}
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COMMAND ${M_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_file}
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DEPENDS ${elf_file})
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add_custom_target(upload_hex
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${M_UPLOAD_TOOL} ${M_FLAGS} -v -U flash:w:${hex_file}
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DEPENDS ${hex_file})
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add_custom_target(upload_eeprom
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${M_UPLOAD_TOOL} ${M_FLAGS} -v -U eeprom:w:${eeprom_file}
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DEPENDS ${eeprom_file})
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endfunction()
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add_mcu_executable(${PROJECT_NAME} ${SOURCE_FILES})
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