Reorganizing CMake build system.

- Only one file to edit now
- Compiler architecture automatically detected based off of chip target

Lib/CMake/avr.cmake

@@ -0,0 +1,121 @@
+###| CMAKE Kiibohd Controller |###
+#
+# Jacob Alexander 2011-2014
+# Due to this file's usefulness:
+#
+# Released into the Public Domain
+#
+# avr-gcc CMake Build Configuration
+#
+###
+
+
+
+#| Set the Compilers (must be set first)
+include( CMakeForceCompiler )
+cmake_force_c_compiler  ( avr-gcc AVRCCompiler )
+cmake_force_cxx_compiler( avr-g++ AVRCxxCompiler )
+set( _CMAKE_TOOLCHAIN_PREFIX avr- )
+
+
+
+###
+# Atmel Defines and Linker Options
+#
+
+#| MCU Name
+#|
+#| "at90usb162"       # Teensy   1.0
+#| "atmega32u4"       # Teensy   2.0
+#| "at90usb646"       # Teensy++ 1.0
+#| "at90usb1286"      # Teensy++ 2.0
+
+set( MCU "${CHIP}" )
+
+message( STATUS "MCU Selected:" )
+message( "${MCU}" )
+
+
+#| Extra Compiler Sources
+#| Mostly for convenience functions like interrupt handlers
+set( COMPILER_SRCS
+	# XXX Not needed for avr-gcc
+)
+
+
+#| CPU Type
+#| This is only informational for AVR microcontrollers
+#| The field can be determined by the microcontroller chip, but currently only one CPU type is used atm
+set( CPU "megaAVR" )
+
+message( STATUS "CPU Selected:" )
+message( "${CPU}" )
+
+
+#| USB Defines
+set( VENDOR_ID  "0x16C0" )
+set( PRODUCT_ID "0x047D" )
+
+
+#| Compiler flag to set the C Standard level.
+#|     c89   = "ANSI" C
+#|     gnu89 = c89 plus GCC extensions
+#|     c99   = ISO C99 standard (not yet fully implemented)
+#|     gnu99 = c99 plus GCC extensions
+set( CSTANDARD "-std=gnu99" )
+
+
+#| Warning Options
+#|  -Wall...:     warning level
+set( WARN "-Wall" )
+
+
+#| Tuning Options
+#|  -f...:        tuning, see GCC manual and avr-libc documentation
+#| NOTE: -fshort-wchar is specified to allow USB strings be passed conveniently
+set( TUNING "-funsigned-char -funsigned-bitfields -ffunction-sections -fpack-struct -fshort-enums" )
+
+
+#| Optimization level, can be [0, 1, 2, 3, s].
+#|     0 = turn off optimization. s = optimize for size.
+#|     (Note: 3 is not always the best optimization level. See avr-libc FAQ.)
+set( OPT "s" )
+
+
+#| Output Format
+#| srec, ihex, binary
+set( FORMAT "ihex" )
+
+
+#| Processor frequency.
+#|   Normally the first thing your program should do is set the clock prescaler,
+#|   so your program will run at the correct speed.  You should also set this
+#|   variable to same clock speed.  The _delay_ms() macro uses this, and many
+#|   examples use this variable to calculate timings.  Do not add a "UL" here.
+set( F_CPU "16000000" )
+
+
+#| Dependency Files
+#| Compiler flags to generate dependency files.
+set( GENDEPFLAGS "-MMD -MP" )
+
+
+#| Compiler Flags
+add_definitions( "-mmcu=${MCU} -DF_CPU=${F_CPU} -D_${MCU}_=1 -O${OPT} ${TUNING} ${WARN} ${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 (XXX, I've removed this target from the builds, but keeping the set line as a note)
+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 )
+