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controller/Bootloader/CMakeLists.txt

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###| CMAKE Kiibohd Controller Bootloader |###
#
# Jacob Alexander 2011-2014
# Due to this file's usefulness:
#
# Released into the Public Domain
#
# This bootloader is based upon the MCHCK dfu-usb bootloader.
# DO NOT USE with Teensy based microcontrollers.
#
###
###
# Chip Selection
#
#| You _MUST_ set this to match the microcontroller you are trying to compile for
#| You _MUST_ clean the build directory if you change this value
#|
set( CHIP
#"mk20dx128vlf5" # McHCK mk20dx128vlf5
"mk20dx256vlh7" # Kiibohd-dfu mk20dx256vlh7
)
###
# Compiler Selection
#
#| *** EXPERIMENTAL ***
#| Stick with gcc unless you know what you're doing
#| Currently only arm is supported with clang
set( COMPILER
"gcc" # arm-none-eabi-gcc / avr-gcc - Default
# "clang" # arm-none-eabi
CACHE STRING "Compiler Type" )
###
# Bootloader Configuration
#
set ( BOOTLOADER 1 )
###
# Compiler Intialization
#
set ( CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_SOURCE_DIR}/../Lib/CMake )
include( initialize )
##
# Source Defines
#
set( SRCS
main.c
dfu.c
dfu.desc.c
flash.c
kinetis.c
usb.c
)
message( STATUS "Bootloader Source Files:" )
message( "${SRCS}" )
#| Add Lib sources to main list
foreach( SRC_FILE ${COMPILER_SRCS} )
set( SRCS ${SRCS} ${CMAKE_SOURCE_DIR}/../${SRC_FILE} )
endforeach()
###
# Directory Includes
#
include_directories( ${CMAKE_SOURCE_DIR}/../Lib )
###
# Project Description
#
#| Project
project( kiibohd_bootloader )
#| Target Name (output name)
set( TARGET kiibohd_bootloader )
#| General Settings
cmake_minimum_required( VERSION 2.8 )
###
# Generate Header Files
#
configure_file( _buildvars.h buildvars.h )
include_directories( ${CMAKE_BINARY_DIR} )
###
# CMake Module Checking
#
find_package( Git REQUIRED )
find_package( Ctags ) # Optional
###
# ctag Generation
#
if( CTAGS_EXECUTABLE )
# Generate the ctags
execute_process( COMMAND ctags ${SRCS}
WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
)
endif()
###
# Disable -Wl,-search_paths_first for OSX (not supported by arm-none-eabi-gcc)
#
if ( APPLE )
string ( REPLACE "-Wl,-search_paths_first" "" CMAKE_C_LINK_FLAGS ${CMAKE_C_LINK_FLAGS} )
string ( REPLACE "-Wl,-search_paths_first" "" CMAKE_CXX_LINK_FLAGS ${CMAKE_CXX_LINK_FLAGS} )
message ( AUTHOR_WARNING "Bootloader binary may not fit on device (must be less than 4096 bytes). Macports arm-none-eabi-gcc 4.7.3 doesn't seem to work properly with -flto. However, even disabling it doesn't shrink the binary enough... 4.9.1 is known to work on Arch Linux." )
endif ()
###
# Build Targets
#
#| Create the .ELF file
set( TARGET_ELF ${TARGET}.elf )
add_executable( ${TARGET_ELF} ${SRCS} )
#| .ELF Properties
set_target_properties( ${TARGET_ELF} PROPERTIES
LINK_FLAGS ${LINKER_FLAGS}
SUFFIX "" # XXX Force Windows to keep the .exe off
)
#| Convert the .ELF into a .bin to load onto the McHCK
set( TARGET_BIN ${TARGET}.bin )
add_custom_command( TARGET ${TARGET_ELF} POST_BUILD
COMMAND ${CMAKE_OBJCOPY} ${BIN_FLAGS} ${TARGET_ELF} ${TARGET_BIN}
COMMENT "Creating binary file to load: ${TARGET_BIN}"
)
#| Generate the Extended .LSS
set( TARGET_LSS ${TARGET}.lss )
add_custom_command( TARGET ${TARGET_ELF} POST_BUILD
COMMAND ${CMAKE_OBJDUMP} ${LSS_FLAGS} ${TARGET_ELF} > ${TARGET_LSS}
COMMENT "Creating Extended Listing: ${TARGET_LSS}"
)
#| Generate the Symbol Table .SYM
set( TARGET_SYM ${TARGET}.sym )
add_custom_command( TARGET ${TARGET_ELF} POST_BUILD
COMMAND ${CMAKE_NM} -n ${TARGET_ELF} > ${TARGET_SYM}
COMMENT "Creating Symbol Table: ${TARGET_SYM}"
)
#| Compiler Selection Record
add_custom_command( TARGET ${TARGET_ELF} POST_BUILD
COMMAND ${CMAKE_SOURCE_DIR}/../Lib/CMake/writer compiler ${COMPILER_FAMILY}
)
###
# Size Information
#
#| After Changes Size Information
add_custom_target( SizeAfter ALL
COMMAND ${CMAKE_SOURCE_DIR}/../Lib/CMake/sizeCalculator ${CMAKE_SIZE} ram ${TARGET_ELF} ${SIZE_RAM} " SRAM"
COMMAND ${CMAKE_SOURCE_DIR}/../Lib/CMake/sizeCalculator ${CMAKE_SIZE} flash ${TARGET_ELF} ${SIZE_FLASH} "Flash"
DEPENDS ${TARGET_ELF}
COMMENT "Chip usage for ${CHIP}"
)