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 message( STATUS "Compiler Selected:" )
17 if ( "${COMPILER}" MATCHES "gcc" )
18 cmake_force_c_compiler ( arm-none-eabi-gcc ARMCCompiler )
19 cmake_force_cxx_compiler( arm-none-eabi-g++ ARMCxxCompiler )
20 set( _CMAKE_TOOLCHAIN_PREFIX arm-none-eabi- )
22 elseif ( "${COMPILER}" MATCHES "clang" )
23 cmake_force_c_compiler ( clang ARMCCompiler )
24 cmake_force_cxx_compiler( clang++ ARMCxxCompiler )
25 set( _CMAKE_TOOLCHAIN_PREFIX llvm- )
28 message( AUTHOR_WARNING "COMPILER: ${COMPILER} - Unknown compiler selection" )
34 # ARM Defines and Linker Options
39 #| "mk20dx128vlf5" # McHCK / Kiibohd-dfu
40 #| "mk20dx256vlh7" # Kiibohd-dfu
41 #| "mk20dx128" # Teensy 3.0
42 #| "mk20dx256" # Teensy 3.1
44 message( STATUS "Chip Selected:" )
46 set( MCU "${CHIP}" ) # For loading script compatibility
50 #| MCHCK Based / Kiibohd-dfu
51 if ( "${CHIP}" MATCHES "mk20dx128vlf5" )
53 set( SIZE_FLASH 126976 )
56 elseif ( "${CHIP}" MATCHES "mk20dx256vlh7" )
58 set( SIZE_FLASH 253952 )
61 elseif ( "${CHIP}" MATCHES "mk20dx128" )
63 set( SIZE_FLASH 131072 )
66 elseif ( "${CHIP}" MATCHES "mk20dx256" )
68 set( SIZE_FLASH 262144 )
72 message( AUTHOR_WARNING "CHIP: ${CHIP} - Unknown ARM microcontroller" )
77 #| Automatically chosed based on the chip name.
78 if ( "${CHIP}" MATCHES "^mk20dx.*$" )
79 set( CHIP_FAMILY "mk20dx" )
80 message( STATUS "Chip Family:" )
81 message( "${CHIP_FAMILY}" )
83 message( FATAL_ERROR "Unknown chip family: ${CHIP}" )
88 #| You _MUST_ set this to match the board you are using
89 #| type "make clean" after changing this, so all files will be rebuilt
91 #| "cortex-m4" # Teensy 3.0, 3.1, McHCK
92 set( CPU "cortex-m4" )
94 message( STATUS "CPU Selected:" )
98 #| Extra Compiler Sources
99 #| Mostly for convenience functions like interrupt handlers
105 message( STATUS "Compiler Source Files:" )
106 message( "${COMPILER_SRCS}" )
109 #| USB Defines, this is how the loader programs detect which type of chip base is used
110 message( STATUS "Bootloader Type:" )
111 if ( "${CHIP}" MATCHES "mk20dx128vlf5" OR "${CHIP}" MATCHES "mk20dx256vlh7" )
112 set( VENDOR_ID "0x1C11" )
113 set( PRODUCT_ID "0xB04D" )
114 set( BOOT_VENDOR_ID "0x1C11" )
115 set( BOOT_PRODUCT_ID "0xB007" )
116 set( BOOT_DFU_ALTNAME "Kiibohd DFU" )
119 elseif ( "${CHIP}" MATCHES "mk20dx128" OR "${CHIP}" MATCHES "mk20dx256" )
120 set( VENDOR_ID "0x1C11" )
121 set( PRODUCT_ID "0xB04D" )
122 set( BOOT_VENDOR_ID "0x16c0" ) # TODO Double check, this is likely incorrect
123 set( BOOT_PRODUCT_ID "0x0487" )
129 #| Compiler flag to set the C Standard level.
131 #| gnu89 = c89 plus GCC extensions
132 #| c99 = ISO C99 standard (not yet fully implemented)
133 #| gnu99 = c99 plus GCC extensions
134 #| gnu11 = c11 plus GCC extensions
135 set( CSTANDARD "-std=gnu11" )
139 #| -Wall...: warning level
140 set( WARN "-Wall -ggdb3" )
144 #| -f...: tuning, see GCC manual
145 #| NOTE: -fshort-wchar is specified to allow USB strings be passed conveniently
147 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" )
148 #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_" )
149 elseif ( "${COMPILER}" MATCHES "clang" )
150 set( TUNING "-target arm-none-eabi -mthumb -nostdlib -fdata-sections -ffunction-sections -fshort-wchar -fno-builtin" )
152 set( TUNING "-mthumb -nostdlib -fdata-sections -ffunction-sections -fshort-wchar -fno-builtin -nostartfiles" )
156 #| Optimization level, can be [0, 1, 2, 3, s].
157 #| 0 = turn off optimization. s = optimize for size.
158 #| (Note: 3 is not always the best optimization level.)
162 #| Processor frequency.
163 #| Normally the first thing your program should do is set the clock prescaler,
164 #| so your program will run at the correct speed. You should also set this
165 #| variable to same clock speed. The _delay_ms() macro uses this, and many
166 #| examples use this variable to calculate timings. Do not add a "UL" here.
167 set( F_CPU "48000000" )
171 #| Compiler flags to generate dependency files.
172 set( GENDEPFLAGS "-MMD" )
176 add_definitions( "-mcpu=${CPU} -DF_CPU=${F_CPU} -D_${CHIP}_=1 -O${OPT} ${TUNING} ${WARN} ${CSTANDARD} ${GENDEPFLAGS}" )
181 # Bootloader linker flags
182 set( LINKER_FLAGS "${TUNING} -Wl,--gc-sections -fwhole-program -T${CMAKE_CURRENT_SOURCE_DIR}/../Lib/${CHIP}.bootloader.ld -nostartfiles -Wl,-Map=link.map" )
184 # Normal linker flags
185 set( LINKER_FLAGS "${TUNING} -Wl,-Map=link.map,--cref -Wl,--gc-sections -Wl,--no-wchar-size-warning -T${CMAKE_CURRENT_SOURCE_DIR}/Lib/${CHIP}.ld" )
189 #| Hex Flags (XXX, CMake seems to have issues if you quote the arguments for the custom commands...)
190 set( HEX_FLAGS -O ihex -R .eeprom )
194 set( BIN_FLAGS -O binary )
198 if ( "${COMPILER}" MATCHES "clang" )
199 set( LSS_FLAGS -section-headers -triple=arm-none-eabi )
201 set( LSS_FLAGS -h -S -z )