1 ###| CMAKE Kiibohd Controller |###
3 # Jacob Alexander 2011-2016
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
49 #| Chip Size and CPU Frequency Database
50 #| Processor frequency.
51 #| Normally the first thing your program should do is set the clock prescaler,
52 #| so your program will run at the correct speed. You should also set this
53 #| variable to same clock speed. The _delay_ms() macro uses this, and many
54 #| examples use this variable to calculate timings. Do not add a "UL" here.
55 #| MCHCK Based / Kiibohd-dfu
56 if ( "${CHIP}" MATCHES "mk20dx128vlf5" )
58 set( SIZE_FLASH 126976 )
59 set( F_CPU "48000000" )
62 elseif ( "${CHIP}" MATCHES "mk20dx256vlh7" )
64 set( SIZE_FLASH 253952 )
65 set( F_CPU "72000000" )
68 elseif ( "${CHIP}" MATCHES "mk20dx128" )
70 set( SIZE_FLASH 131072 )
71 set( F_CPU "48000000" )
74 elseif ( "${CHIP}" MATCHES "mk20dx256" )
76 set( SIZE_FLASH 262144 )
77 set( F_CPU "48000000" ) # XXX Also supports 72 MHz, but may requires code changes
81 message( AUTHOR_WARNING "CHIP: ${CHIP} - Unknown ARM microcontroller" )
86 #| Automatically chosed based on the chip name.
87 if ( "${CHIP}" MATCHES "^mk20dx.*$" )
88 set( CHIP_FAMILY "mk20dx" )
89 message( STATUS "Chip Family:" )
90 message( "${CHIP_FAMILY}" )
92 message( FATAL_ERROR "Unknown chip family: ${CHIP}" )
97 #| You _MUST_ set this to match the board you are using
98 #| type "make clean" after changing this, so all files will be rebuilt
100 #| "cortex-m4" # Teensy 3.0, 3.1, McHCK
101 set( CPU "cortex-m4" )
103 message( STATUS "CPU Selected:" )
107 #| Extra Compiler Sources
108 #| Mostly for convenience functions like interrupt handlers
114 #| Clang needs a few more functions for linking
115 if ( "${COMPILER}" MATCHES "clang" )
116 set( COMPILER_SRCS ${COMPILER_SRCS}
121 message( STATUS "Compiler Source Files:" )
122 message( "${COMPILER_SRCS}" )
125 #| USB Defines, this is how the loader programs detect which type of chip base is used
126 message( STATUS "Bootloader Type:" )
127 if ( "${CHIP}" MATCHES "mk20dx128vlf5" OR "${CHIP}" MATCHES "mk20dx256vlh7" )
128 set( VENDOR_ID "0x1C11" )
129 set( PRODUCT_ID "0xB04D" )
130 set( BOOT_VENDOR_ID "0x1C11" )
131 set( BOOT_PRODUCT_ID "0xB007" )
132 set( BOOT_DFU_ALTNAME "Kiibohd DFU" )
135 elseif ( "${CHIP}" MATCHES "mk20dx128" OR "${CHIP}" MATCHES "mk20dx256" )
136 set( VENDOR_ID "0x1C11" )
137 set( PRODUCT_ID "0xB04D" )
138 set( BOOT_VENDOR_ID "0x16c0" ) # TODO Double check, this is likely incorrect
139 set( BOOT_PRODUCT_ID "0x0487" )
145 #| Compiler flag to set the C Standard level.
147 #| gnu89 = c89 plus GCC extensions
148 #| c99 = ISO C99 standard (not yet fully implemented)
149 #| gnu99 = c99 plus GCC extensions
150 #| gnu11 = c11 plus GCC extensions
151 set( CSTANDARD "-std=gnu11" )
155 #| -Wall...: warning level
156 set( WARN "-Wall -ggdb3" )
160 #| -f...: tuning, see GCC manual
161 #| NOTE: -fshort-wchar is specified to allow USB strings be passed conveniently
163 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" )
164 #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_" )
165 elseif ( "${COMPILER}" MATCHES "clang" )
166 set( TUNING "-target arm-none-eabi -mthumb -nostdlib -fdata-sections -ffunction-sections -fshort-wchar -fno-builtin" )
168 set( TUNING "-mthumb -nostdlib -fdata-sections -ffunction-sections -fshort-wchar -fno-builtin -nostartfiles" )
172 #| Optimization level, can be [0, 1, 2, 3, s].
173 #| 0 = turn off optimization. s = optimize for size.
174 #| (Note: 3 is not always the best optimization level.)
179 #| Compiler flags to generate dependency files.
180 set( GENDEPFLAGS "-MMD" )
184 add_definitions( "-mcpu=${CPU} -DF_CPU=${F_CPU} -D_${CHIP}_=1 -O${OPT} ${TUNING} ${WARN} ${CSTANDARD} ${GENDEPFLAGS}" )
189 # Bootloader linker flags
190 set( LINKER_FLAGS "${TUNING} -Wl,--gc-sections -fwhole-program -T${CMAKE_CURRENT_SOURCE_DIR}/../Lib/${CHIP}.bootloader.ld -nostartfiles -Wl,-Map=link.map" )
192 # Normal linker flags
193 set( LINKER_FLAGS "${TUNING} -Wl,-Map=link.map,--cref -Wl,--gc-sections -Wl,--no-wchar-size-warning -T${CMAKE_CURRENT_SOURCE_DIR}/Lib/${CHIP}.ld" )
197 #| Hex Flags (XXX, CMake seems to have issues if you quote the arguments for the custom commands...)
198 set( HEX_FLAGS -O ihex -R .eeprom )
202 set( BIN_FLAGS -O binary )
206 if ( "${COMPILER}" MATCHES "clang" )
207 set( LSS_FLAGS -section-headers -triple=arm-none-eabi )
209 set( LSS_FLAGS -h -S -z )