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- ###| CMAKE Kiibohd Controller |###
- #
- # Jacob Alexander 2011-2014
- # Due to this file's usefulness:
- #
- # Released into the Public Domain
- #
- # Freescale ARM CMake Build Configuration
- #
- ###
-
-
-
- #| Set the Compilers (must be set first)
- include( CMakeForceCompiler )
- message( STATUS "Compiler Selected:" )
- if ( "${COMPILER}" MATCHES "gcc" )
- cmake_force_c_compiler ( arm-none-eabi-gcc ARMCCompiler )
- cmake_force_cxx_compiler( arm-none-eabi-g++ ARMCxxCompiler )
- set( _CMAKE_TOOLCHAIN_PREFIX arm-none-eabi- )
- message( "gcc" )
- elseif ( "${COMPILER}" MATCHES "clang" )
- cmake_force_c_compiler ( clang ARMCCompiler )
- cmake_force_cxx_compiler( clang++ ARMCxxCompiler )
- set( _CMAKE_TOOLCHAIN_PREFIX llvm- )
- message( "clang" )
- else ()
- message( AUTHOR_WARNING "COMPILER: ${COMPILER} - Unknown compiler selection" )
- endif ()
-
-
-
- ###
- # ARM Defines and Linker Options
- #
-
- #| Chip Name (Linker)
- #|
- #| "mk20dx128vlf5" # McHCK / Kiibohd-dfu
- #| "mk20dx256vlh7" # Kiibohd-dfu
- #| "mk20dx128" # Teensy 3.0
- #| "mk20dx256" # Teensy 3.1
-
- message( STATUS "Chip Selected:" )
- message( "${CHIP}" )
- set( MCU "${CHIP}" ) # For loading script compatibility
-
-
- #| Chip Size Database
- #| MCHCK Based / Kiibohd-dfu
- if ( "${CHIP}" MATCHES "mk20dx128vlf5" )
- set( SIZE_RAM 16384 )
- set( SIZE_FLASH 126976 )
-
- #| Kiibohd-dfu
- elseif ( "${CHIP}" MATCHES "mk20dx256vlh7" )
- set( SIZE_RAM 65536 )
- set( SIZE_FLASH 253952 )
-
- #| Teensy 3.0
- elseif ( "${CHIP}" MATCHES "mk20dx128" )
- set( SIZE_RAM 16384 )
- set( SIZE_FLASH 131072 )
-
- #| Teensy 3.1
- elseif ( "${CHIP}" MATCHES "mk20dx256" )
- set( SIZE_RAM 65536 )
- set( SIZE_FLASH 262144 )
-
- #| Unknown ARM
- else ()
- message( AUTHOR_WARNING "CHIP: ${CHIP} - Unknown ARM microcontroller" )
- endif ()
-
-
- #| Chip Base Type
- #| Automatically chosed based on the chip name.
- if ( "${CHIP}" MATCHES "^mk20dx.*$" )
- set( CHIP_FAMILY "mk20dx" )
- message( STATUS "Chip Family:" )
- message( "${CHIP_FAMILY}" )
- else ()
- message( FATAL_ERROR "Unknown chip family: ${CHIP}" )
- endif ()
-
-
- #| CPU Type
- #| You _MUST_ set this to match the board you are using
- #| type "make clean" after changing this, so all files will be rebuilt
- #|
- #| "cortex-m4" # Teensy 3.0, 3.1, McHCK
- set( CPU "cortex-m4" )
-
- message( STATUS "CPU Selected:" )
- message( "${CPU}" )
-
-
- #| Extra Compiler Sources
- #| Mostly for convenience functions like interrupt handlers
- set( COMPILER_SRCS
- Lib/${CHIP_FAMILY}.c
- Lib/delay.c
- )
-
- message( STATUS "Compiler Source Files:" )
- message( "${COMPILER_SRCS}" )
-
-
- #| USB Defines, this is how the loader programs detect which type of chip base is used
- message( STATUS "Bootloader Type:" )
- if ( "${CHIP}" MATCHES "mk20dx128vlf5" OR "${CHIP}" MATCHES "mk20dx256vlh7" )
- set( VENDOR_ID "0x1C11" )
- set( PRODUCT_ID "0xB04D" )
- set( BOOT_VENDOR_ID "0x1C11" )
- set( BOOT_PRODUCT_ID "0xB007" )
- set( BOOT_DFU_ALTNAME "Kiibohd DFU" )
- set( DFU 1 )
- message( "dfu" )
- elseif ( "${CHIP}" MATCHES "mk20dx128" OR "${CHIP}" MATCHES "mk20dx256" )
- set( VENDOR_ID "0x1C11" )
- set( PRODUCT_ID "0xB04D" )
- set( BOOT_VENDOR_ID "0x16c0" ) # TODO Double check, this is likely incorrect
- set( BOOT_PRODUCT_ID "0x0487" )
- set( TEENSY 1 )
- message( "Teensy" )
- endif ()
-
-
- #| Compiler flag to set the C Standard level.
- #| c89 = "ANSI" C
- #| gnu89 = c89 plus GCC extensions
- #| c99 = ISO C99 standard (not yet fully implemented)
- #| gnu99 = c99 plus GCC extensions
- #| gnu11 = c11 plus GCC extensions
- set( CSTANDARD "-std=gnu11" )
-
-
- #| Warning Options
- #| -Wall...: warning level
- set( WARN "-Wall -ggdb3" )
-
-
- #| Tuning Options
- #| -f...: tuning, see GCC manual
- #| NOTE: -fshort-wchar is specified to allow USB strings be passed conveniently
- if( BOOTLOADER )
- set( TUNING "-D_bootloader_ -Wno-main -msoft-float -mthumb -fplan9-extensions -ffunction-sections -fdata-sections -fno-builtin -fstrict-volatile-bitfields -flto -fno-use-linker-plugin -nostdlib" )
- #set( TUNING "-mthumb -fdata-sections -ffunction-sections -fno-builtin -msoft-float -fstrict-volatile-bitfields -flto -fno-use-linker-plugin -fwhole-program -Wno-main -nostartfiles -fplan9-extensions -D_bootloader_" )
- elseif ( "${COMPILER}" MATCHES "clang" )
- set( TUNING "-target arm-none-eabi -mthumb -nostdlib -fdata-sections -ffunction-sections -fshort-wchar -fno-builtin" )
- else()
- set( TUNING "-mthumb -nostdlib -fdata-sections -ffunction-sections -fshort-wchar -fno-builtin -nostartfiles" )
- endif()
-
-
- #| Optimization level, can be [0, 1, 2, 3, s].
- #| 0 = turn off optimization. s = optimize for size.
- #| (Note: 3 is not always the best optimization level.)
- set( OPT "s" )
-
-
- #| Processor frequency.
- #| Normally the first thing your program should do is set the clock prescaler,
- #| so your program will run at the correct speed. You should also set this
- #| variable to same clock speed. The _delay_ms() macro uses this, and many
- #| examples use this variable to calculate timings. Do not add a "UL" here.
- set( F_CPU "48000000" )
-
-
- #| Dependency Files
- #| Compiler flags to generate dependency files.
- set( GENDEPFLAGS "-MMD" )
-
-
- #| Compiler Flags
- add_definitions( "-mcpu=${CPU} -DF_CPU=${F_CPU} -D_${CHIP}_=1 -O${OPT} ${TUNING} ${WARN} ${CSTANDARD} ${GENDEPFLAGS}" )
-
-
- #| Linker Flags
- if( BOOTLOADER )
- # Bootloader linker flags
- set( LINKER_FLAGS "${TUNING} -Wl,--gc-sections -fwhole-program -T${CMAKE_CURRENT_SOURCE_DIR}/../Lib/${CHIP}.bootloader.ld -nostartfiles -Wl,-Map=link.map" )
- else()
- # Normal linker flags
- set( LINKER_FLAGS "${TUNING} -Wl,-Map=link.map,--cref -Wl,--gc-sections -Wl,--no-wchar-size-warning -T${CMAKE_CURRENT_SOURCE_DIR}/Lib/${CHIP}.ld" )
- endif()
-
-
- #| Hex Flags (XXX, CMake seems to have issues if you quote the arguments for the custom commands...)
- set( HEX_FLAGS -O ihex -R .eeprom )
-
-
- #| Binary Flags
- set( BIN_FLAGS -O binary )
-
-
- #| Lss Flags
- if ( "${COMPILER}" MATCHES "clang" )
- set( LSS_FLAGS -section-headers -triple=arm-none-eabi )
- else ()
- set( LSS_FLAGS -h -S -z )
- endif ()
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