Finally! A CMake build script

- Mostly implements the features found in the old Makefile
- More pretty colours
- TODO list can be found at the top of the file
- Doesn't have any compiler detection yet, that may be a good idea to add

diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644 (file)
index 0000000..7dd8ccf
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,199 @@
+###| CMAKE Kiibohd Controller |###
+#
+# Written by Jacob Alexander in 2011 for the Kiibohd Controller
+# Due to this file's usefulness:
+#
+# Released into the Public Domain
+#
+###
+
+##| TODO List |##
+# - Add avr-gcc as requirement
+# - Add avr-objcopy as a requirement
+# - Generate .lst files
+# - Extend .lst to .lss
+# - Autoloader to Teensy
+# - specify on commandline which atmel mcu
+
+#| Set the Compilers
+include( CMakeForceCompiler )
+set( CMAKE_SYSTEM_NAME Generic )
+cmake_force_c_compiler  ( avr-gcc AVRCCompiler )
+cmake_force_cxx_compiler( avr-g++ AVRCxxCompiler )
+
+
+#| Project
+project( kiibohd_controller )
+
+
+#| General Settings
+cmake_minimum_required( VERSION 2.8 )
+
+
+
+
+
+
+#| Sources 
+set( SRCS
+       ./main.c
+        ./print.c
+       ./usb_keyboard_debug.c
+       ./scan_loop.c
+)
+
+#| Target Name
+set( TARGET kiibohd )
+
+
+
+
+
+
+
+#| Compiler flag to set the C Standard level.
+#|     c89   = "ANSI" C
+#|     gnu89 = c89 plus GCC extensions
+#|     c99   = ISO C99 standard (not yet fully implemented)
+#|     gnu99 = c99 plus GCC extensions
+set( CSTANDARD "-std=gnu99" )
+
+
+#| Warning Options
+#|  -Wall...:     warning level
+set( WARN "-Wall -Wstrict-prototypes" )
+
+
+#| Tuning Options
+#|  -f...:        tuning, see GCC manual and avr-libc documentation
+set( TUNING "-funsigned-char -funsigned-bitfields -ffunction-sections -fpack-struct -fshort-enums" )
+
+
+#| Optimization level, can be [0, 1, 2, 3, s]. 
+#|     0 = turn off optimization. s = optimize for size.
+#|     (Note: 3 is not always the best optimization level. See avr-libc FAQ.)
+set( OPT "s" )
+
+
+#| Output Format
+#| srec, ihex, binary
+set( FORMAT "ihex" )
+
+
+#| MCU Name
+#| You MUST set this to match the board you are using
+#| type "make clean" after changing this, so all files will be rebuilt
+#|
+#| "at90usb162"       # Teensy   1.0
+#| "atmega32u4"       # Teensy   2.0
+#| "at90usb646"       # Teensy++ 1.0
+#| "at90usb1286"      # Teensy++ 2.0
+set( MCU "at90usb1286" )
+
+
+#| Processor frequency.
+#|   Normally the first thing your program should do is set the clock prescaler,
+#|   so your program will run at the correct speed.  You should also set this
+#|   variable to same clock speed.  The _delay_ms() macro uses this, and many
+#|   examples use this variable to calculate timings.  Do not add a "UL" here.
+set( F_CPU "16000000" )
+set( CDEFS "-DF_CPU=${F_CPU}" )
+
+
+#| Dependency Files
+#| Compiler flags to generate dependency files.
+set( GENDEPFLAGS "-MMD -MP" )
+
+
+#| Listing file
+set( TARGET_LST ${TARGET}.lst )
+
+
+#| Compiler Flags
+add_definitions( "-mmcu=${MCU} -DF_CPU=${F_CPU} -O${OPT} ${TUNING} ${WARN} -Wa,-adhlns ${CSTANDARD} ${GENDEPFLAGS}" )
+
+
+#| Linker Flags
+set( LINKER_FLAGS "-mmcu=${MCU} -Wl,-Map=${TARGET}.map,--cref -Wl,--relax -Wl,--gc-sections" )
+
+
+#| Hex Flags (XXX, CMake seems to have issues if you quote the arguments for the custom commands...)
+set( HEX_FLAGS -O ${FORMAT} -R .eeprom -R .fuse -R .lock -R .signature )
+
+
+#| Eep Flags
+set( EEP_FLAGS -j .eeprom --set-section-flags=.eeprom="alloc,load" --change-section-lma .eeprom=0 --no-change-warnings -O ${FORMAT} )
+
+
+#| Lss Flags
+set( LSS_FLAGS -h -S -z )
+
+
+
+
+
+
+
+
+
+#| 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}
+)
+
+
+#| Convert the .ELF into a .HEX to load onto the Teensy
+set( TARGET_HEX ${TARGET}.hex )
+add_custom_command( TARGET ${TARGET_ELF} POST_BUILD
+       COMMAND avr-objcopy ${HEX_FLAGS} ${TARGET_ELF} ${TARGET_HEX}
+       COMMENT "Creating load file for Flash:  ${TARGET_HEX}"
+)
+
+
+#| Convert the .ELF into a .EEP
+set( TARGET_EEP ${TARGET}.eep )
+add_custom_command( TARGET ${TARGET_ELF} POST_BUILD
+       COMMAND avr-objcopy ${EEP_FLAGS} ${TARGET_ELF} ${TARGET_EEP}
+       COMMENT "Creating load file for EEPROM: ${TARGET_EEP}"
+)
+
+
+#| Generate the Extended .LSS TODO Incomplete
+set( TARGET_LSS ${TARGET}.lss )
+add_custom_command( TARGET ${TARGET_ELF} POST_BUILD
+       COMMAND avr-objcopy ${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 avr-nm -n ${TARGET_ELF} > ${TARGET_SYM}
+       COMMENT "Creating Symbol Table:         ${TARGET_SYM}"
+)
+
+
+
+
+
+
+#| Before Changes Size Information (and make sure it is run before ${TARGET_ELF} is generated) TODO Only call if the files exist
+#add_dependencies( ${TARGET_ELF} SizeBefore )
+#add_custom_target( SizeBefore ALL avr-size --target=${FORMAT} ${TARGET_HEX} ${TARGET_ELF}
+#      COMMENT "Size before generation:"
+#)
+
+
+#| After Changes Size Information
+add_custom_target( SizeAfter ALL avr-size --target=${FORMAT} ${TARGET_HEX} ${TARGET_ELF}
+       DEPENDS ${TARGET_ELF}
+       COMMENT "Size after generation:"
+)
+
+