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controller/Lib/CMake/arm.cmake

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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 )
2014-04-19 04:58:14 +00:00
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- )
###
# ARM Defines and Linker Options
#
#| Chip Name (Linker)
#|
#| "mk20dx128" # Teensy 3.0 and McHCK mk20dx128
#| "mk20dx256" # Teensy 3.1
message( STATUS "Chip Selected:" )
message( "${CHIP}" )
set( MCU "${CHIP}" ) # For loading script compatibility
#| Chip Size Database
#| Teensy 3.0
if ( "${CHIP}" MATCHES "mk20dx128" OR "${CHIP}" MATCHES "mk20dx128vlf5" )
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
if ( "${CHIP}" MATCHES "mk20dx128" OR "${CHIP}" MATCHES "mk20dx256" )
set( VENDOR_ID "0x16C0" )
set( PRODUCT_ID "0x0487" )
elseif ( "${CHIP}" MATCHES "mk20dx128vlf5" )
set( VENDOR_ID "0x2323" )
set( PRODUCT_ID "0x0001" )
endif ()
#| Compiler flag to set the C Standard level.
#| c89 = "ANSI" C
#| gnu89 = c89 plus GCC extensions
#| c99 = ISO C99 standard (not yet fully implemented)
#| gnu99 = c99 plus GCC extensions
set( CSTANDARD "-std=gnu99" )
#| Warning Options
#| -Wall...: warning level
set( WARN "-Wall -g" )
#| Tuning Options
#| -f...: tuning, see GCC manual
#| NOTE: -fshort-wchar is specified to allow USB strings be passed conveniently
set( TUNING "-mthumb -nostdlib -fdata-sections -ffunction-sections -fshort-wchar -fno-builtin -flto -fno-use-linker-plugin" )
#| Optimization level, can be [0, 1, 2, 3, s].
#| 0 = turn off optimization. s = optimize for size.
#| (Note: 3 is not always the best optimization level.)
set( OPT "s" )
#| Processor frequency.
#| Normally the first thing your program should do is set the clock prescaler,
#| so your program will run at the correct speed. You should also set this
#| variable to same clock speed. The _delay_ms() macro uses this, and many
#| examples use this variable to calculate timings. Do not add a "UL" here.
set( F_CPU "48000000" )
#| Dependency Files
#| Compiler flags to generate dependency files.
set( GENDEPFLAGS "-MMD" )
#| Compiler Flags
add_definitions( "-mcpu=${CPU} -DF_CPU=${F_CPU} -D_${CHIP}_=1 -O${OPT} ${TUNING} ${WARN} ${CSTANDARD} ${GENDEPFLAGS}" )
#| Linker Flags
set( LINKER_FLAGS "-mcpu=${CPU} -Wl,-Map=link.map,--cref -Wl,--gc-sections -mthumb -Wl,--no-wchar-size-warning -T${CMAKE_CURRENT_SOURCE_DIR}/Lib/${CHIP}.ld -nostartfiles" )
#| 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
set( LSS_FLAGS -h -S -z )