1 ###| CMAKE Kiibohd Controller |###
3 # Jacob Alexander 2011-2014
4 # Due to this file's usefulness:
6 # Released into the Public Domain
8 # Freescale ARM CMake Build Configuration
14 #| Set the Compilers (must be set first)
15 include( CMakeForceCompiler )
16 cmake_force_c_compiler ( arm-none-eabi-gcc ARMCCompiler )
17 cmake_force_cxx_compiler( arm-none-eabi-g++ ARMCxxCompiler )
18 set( _CMAKE_TOOLCHAIN_PREFIX arm-none-eabi- )
23 # ARM Defines and Linker Options
28 #| "mk20dx128" # Teensy 3.0 and McHCK mk20dx128
29 #| "mk20dx256" # Teensy 3.1
31 message( STATUS "Chip Selected:" )
33 set( MCU "${CHIP}" ) # For loading script compatibility
38 if ( "${CHIP}" MATCHES "mk20dx128" OR "${CHIP}" MATCHES "mk20dx128vlf5" )
40 set( SIZE_FLASH 131072 )
43 elseif ( "${CHIP}" MATCHES "mk20dx256" )
45 set( SIZE_FLASH 262144 )
49 message( AUTHOR_WARNING "CHIP: ${CHIP} - Unknown ARM microcontroller" )
54 #| Automatically chosed based on the chip name.
55 if ( "${CHIP}" MATCHES "^mk20dx.*$" )
56 set( CHIP_FAMILY "mk20dx" )
57 message( STATUS "Chip Family:" )
58 message( "${CHIP_FAMILY}" )
60 message( FATAL_ERROR "Unknown chip family: ${CHIP}" )
65 #| You _MUST_ set this to match the board you are using
66 #| type "make clean" after changing this, so all files will be rebuilt
68 #| "cortex-m4" # Teensy 3.0, 3.1, McHCK
69 set( CPU "cortex-m4" )
71 message( STATUS "CPU Selected:" )
75 #| Extra Compiler Sources
76 #| Mostly for convenience functions like interrupt handlers
82 message( STATUS "Compiler Source Files:" )
83 message( "${COMPILER_SRCS}" )
86 #| USB Defines, this is how the loader programs detect which type of chip base is used
87 if ( "${CHIP}" MATCHES "mk20dx128" OR "${CHIP}" MATCHES "mk20dx256" )
88 set( VENDOR_ID "0x16C0" )
89 set( PRODUCT_ID "0x0487" )
90 elseif ( "${CHIP}" MATCHES "mk20dx128vlf5" )
91 set( VENDOR_ID "0x2323" )
92 set( PRODUCT_ID "0x0001" )
96 #| Compiler flag to set the C Standard level.
98 #| gnu89 = c89 plus GCC extensions
99 #| c99 = ISO C99 standard (not yet fully implemented)
100 #| gnu99 = c99 plus GCC extensions
101 set( CSTANDARD "-std=gnu99" )
105 #| -Wall...: warning level
106 set( WARN "-Wall -g" )
110 #| -f...: tuning, see GCC manual
111 #| NOTE: -fshort-wchar is specified to allow USB strings be passed conveniently
112 set( TUNING "-mthumb -nostdlib -fdata-sections -ffunction-sections -fshort-wchar -fno-builtin" )
115 #| Optimization level, can be [0, 1, 2, 3, s].
116 #| 0 = turn off optimization. s = optimize for size.
117 #| (Note: 3 is not always the best optimization level.)
121 #| Processor frequency.
122 #| Normally the first thing your program should do is set the clock prescaler,
123 #| so your program will run at the correct speed. You should also set this
124 #| variable to same clock speed. The _delay_ms() macro uses this, and many
125 #| examples use this variable to calculate timings. Do not add a "UL" here.
126 set( F_CPU "48000000" )
130 #| Compiler flags to generate dependency files.
131 set( GENDEPFLAGS "-MMD" )
135 add_definitions( "-mcpu=${CPU} -DF_CPU=${F_CPU} -D_${CHIP}_=1 -O${OPT} ${TUNING} ${WARN} ${CSTANDARD} ${GENDEPFLAGS}" )
139 set( LINKER_FLAGS "-mcpu=${CPU} -Wl,-Map=link.map,--cref -Wl,--gc-sections -mthumb -Wl,--no-wchar-size-warning -T${CMAKE_CURRENT_SOURCE_DIR}/Lib/${CHIP}.ld -nostartfiles" )
142 #| Hex Flags (XXX, CMake seems to have issues if you quote the arguments for the custom commands...)
143 set( HEX_FLAGS -O ihex -R .eeprom )
147 set( BIN_FLAGS -O binary )
151 set( LSS_FLAGS -h -S -z )