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 "mk20dx128vlf5" )
40 set( SIZE_FLASH 126976 )
43 elseif ( "${CHIP}" MATCHES "mk20dx128" )
45 set( SIZE_FLASH 131072 )
48 elseif ( "${CHIP}" MATCHES "mk20dx256" )
50 set( SIZE_FLASH 262144 )
54 message( AUTHOR_WARNING "CHIP: ${CHIP} - Unknown ARM microcontroller" )
59 #| Automatically chosed based on the chip name.
60 if ( "${CHIP}" MATCHES "^mk20dx.*$" )
61 set( CHIP_FAMILY "mk20dx" )
62 message( STATUS "Chip Family:" )
63 message( "${CHIP_FAMILY}" )
65 message( FATAL_ERROR "Unknown chip family: ${CHIP}" )
70 #| You _MUST_ set this to match the board you are using
71 #| type "make clean" after changing this, so all files will be rebuilt
73 #| "cortex-m4" # Teensy 3.0, 3.1, McHCK
74 set( CPU "cortex-m4" )
76 message( STATUS "CPU Selected:" )
80 #| Extra Compiler Sources
81 #| Mostly for convenience functions like interrupt handlers
87 message( STATUS "Compiler Source Files:" )
88 message( "${COMPILER_SRCS}" )
91 #| USB Defines, this is how the loader programs detect which type of chip base is used
92 if ( "${CHIP}" MATCHES "mk20dx128vlf5" )
93 set( VENDOR_ID "0x1C11" )
94 set( PRODUCT_ID "0xB04D" )
95 set( BOOT_VENDOR_ID "0x1C11" )
96 set( BOOT_PRODUCT_ID "0xB007" )
98 elseif ( "${CHIP}" MATCHES "mk20dx128" OR "${CHIP}" MATCHES "mk20dx256" )
99 set( VENDOR_ID "0x1C11" )
100 set( PRODUCT_ID "0xB04D" )
101 set( BOOT_VENDOR_ID "0x16c0" ) # TODO Double check, this is likely incorrect
102 set( BOOT_PRODUCT_ID "0x0487" )
107 #| Compiler flag to set the C Standard level.
109 #| gnu89 = c89 plus GCC extensions
110 #| c99 = ISO C99 standard (not yet fully implemented)
111 #| gnu99 = c99 plus GCC extensions
112 #| gnu11 = c11 plus GCC extensions
113 set( CSTANDARD "-std=gnu11" )
117 #| -Wall...: warning level
118 set( WARN "-Wall -ggdb3" )
122 #| -f...: tuning, see GCC manual
123 #| NOTE: -fshort-wchar is specified to allow USB strings be passed conveniently
125 set( TUNING "-D_bootloader_ -Wno-main -msoft-float -mthumb -fplan9-extensions -ffunction-sections -fdata-sections -fno-builtin -fstrict-volatile-bitfields -flto -fno-use-linker-plugin -nostdlib" )
126 #set( TUNING "-mthumb -fdata-sections -ffunction-sections -fno-builtin -msoft-float -fstrict-volatile-bitfields -flto -fno-use-linker-plugin -fwhole-program -Wno-main -nostartfiles -fplan9-extensions -D_bootloader_" )
128 set( TUNING "-mthumb -nostdlib -fdata-sections -ffunction-sections -fshort-wchar -fno-builtin -nostartfiles" )
132 #| Optimization level, can be [0, 1, 2, 3, s].
133 #| 0 = turn off optimization. s = optimize for size.
134 #| (Note: 3 is not always the best optimization level.)
138 #| Processor frequency.
139 #| Normally the first thing your program should do is set the clock prescaler,
140 #| so your program will run at the correct speed. You should also set this
141 #| variable to same clock speed. The _delay_ms() macro uses this, and many
142 #| examples use this variable to calculate timings. Do not add a "UL" here.
143 set( F_CPU "48000000" )
147 #| Compiler flags to generate dependency files.
148 set( GENDEPFLAGS "-MMD" )
152 add_definitions( "-mcpu=${CPU} -DF_CPU=${F_CPU} -D_${CHIP}_=1 -O${OPT} ${TUNING} ${WARN} ${CSTANDARD} ${GENDEPFLAGS}" )
157 # Bootloader linker flags
158 set( LINKER_FLAGS "${TUNING} -Wl,--gc-sections -fwhole-program -T${CMAKE_CURRENT_SOURCE_DIR}/../Lib/${CHIP}.bootloader.ld -nostartfiles -Wl,-Map=link.map" )
160 # Normal linker flags
161 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" )
165 #| Hex Flags (XXX, CMake seems to have issues if you quote the arguments for the custom commands...)
166 set( HEX_FLAGS -O ihex -R .eeprom )
170 set( BIN_FLAGS -O binary )
174 set( LSS_FLAGS -h -S -z )