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diff --git a/cores/arduino/Makefile b/cores/arduino/Makefile
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+# Arduino makefile
+#
+# This makefile allows you to build sketches from the command line
+# without the Arduino environment (or Java).
+#
+# The Arduino environment does preliminary processing on a sketch before
+# compiling it.  If you're using this makefile instead, you'll need to do
+# a few things differently:
+#
+#   - Give your program's file a .cpp extension (e.g. foo.cpp).
+#
+#   - Put this line at top of your code: #include <WProgram.h>
+#
+#   - Write prototypes for all your functions (or define them before you
+#     call them).  A prototype declares the types of parameters a
+#     function will take and what type of value it will return.  This
+#     means that you can have a call to a function before the definition
+#     of the function.  A function prototype looks like the first line of
+#     the function, with a semi-colon at the end.  For example:
+#     int digitalRead(int pin);
+#
+#   - Write a main() function for your program that returns an int, calls
+#     init() and setup() once (in that order), and then calls loop()
+#     repeatedly():
+#
+#	int main()
+#	{
+#		init();
+#		setup();
+#
+#		for (;;)
+#			loop();
+#
+#		return 0;
+#	}
+#
+# Instructions for using the makefile:
+#
+#  1. Copy this file into the folder with your sketch.
+#
+#  2. Below, modify the line containing "TARGET" to refer to the name of
+#     of your program's file without an extension (e.g. TARGET = foo).
+#
+#  3. Modify the line containg "ARDUINO" to point the directory that
+#     contains the Arduino core (for normal Arduino installations, this
+#     is the hardware/cores/arduino sub-directory).
+#
+#  4. Modify the line containing "PORT" to refer to the filename
+#     representing the USB or serial connection to your Arduino board
+#     (e.g. PORT = /dev/tty.USB0).  If the exact name of this file
+#     changes, you can use * as a wildcard (e.g. PORT = /dev/tty.USB*).
+#
+#  5. At the command line, change to the directory containing your
+#     program's file and the makefile.
+#
+#  6. Type "make" and press enter to compile/verify your program.
+#
+#  7. Type "make upload", reset your Arduino board, and press enter  to
+#     upload your program to the Arduino board.
+#
+# $Id$
+
+PORT = /dev/tty.usbserial*
+TARGET = foo
+ARDUINO = arduino
+SRC = $(ARDUINO)/pins_arduino.c $(ARDUINO)/wiring.c \
+$(ARDUINO)/wiring_analog.c $(ARDUINO)/wiring_digital.c \
+$(ARDUINO)/wiring_pulse.c $(ARDUINO)/wiring_serial.c \
+$(ARDUINO)/wiring_shift.c $(ARDUINO)/WInterrupts.c
+CXXSRC = $(ARDUINO)/HardwareSerial.cpp $(ARDUINO)/WRandom.cpp 
+MCU = atmega168
+F_CPU = 16000000
+FORMAT = ihex
+UPLOAD_RATE = 19200
+
+# Name of this Makefile (used for "make depend").
+MAKEFILE = Makefile
+
+# Debugging format.
+# Native formats for AVR-GCC's -g are stabs [default], or dwarf-2.
+# AVR (extended) COFF requires stabs, plus an avr-objcopy run.
+DEBUG = stabs
+
+OPT = s
+
+# Place -D or -U options here
+CDEFS = -DF_CPU=$(F_CPU)
+CXXDEFS = -DF_CPU=$(F_CPU)
+
+# Place -I options here
+CINCS = -I$(ARDUINO)
+CXXINCS = -I$(ARDUINO)
+
+# Compiler flag to set the C Standard level.
+# c89   - "ANSI" C
+# gnu89 - c89 plus GCC extensions
+# c99   - ISO C99 standard (not yet fully implemented)
+# gnu99 - c99 plus GCC extensions
+CSTANDARD = -std=gnu99
+CDEBUG = -g$(DEBUG)
+CWARN = -Wall -Wstrict-prototypes
+CTUNING = -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums
+#CEXTRA = -Wa,-adhlns=$(<:.c=.lst)
+
+CFLAGS = $(CDEBUG) $(CDEFS) $(CINCS) -O$(OPT) $(CWARN) $(CSTANDARD) $(CEXTRA)
+CXXFLAGS = $(CDEFS) $(CINCS) -O$(OPT)
+#ASFLAGS = -Wa,-adhlns=$(<:.S=.lst),-gstabs 
+LDFLAGS = -lm
+
+
+# Programming support using avrdude. Settings and variables.
+AVRDUDE_PROGRAMMER = stk500
+AVRDUDE_PORT = $(PORT)
+AVRDUDE_WRITE_FLASH = -U flash:w:$(TARGET).hex
+AVRDUDE_FLAGS = -F -p $(MCU) -P $(AVRDUDE_PORT) -c $(AVRDUDE_PROGRAMMER) \
+  -b $(UPLOAD_RATE)
+
+# Program settings
+CC = avr-gcc
+CXX = avr-g++
+OBJCOPY = avr-objcopy
+OBJDUMP = avr-objdump
+AR  = avr-ar
+SIZE = avr-size
+NM = avr-nm
+AVRDUDE = avrdude
+REMOVE = rm -f
+MV = mv -f
+
+# Define all object files.
+OBJ = $(SRC:.c=.o) $(CXXSRC:.cpp=.o) $(ASRC:.S=.o)
+
+# Define all listing files.
+LST = $(ASRC:.S=.lst) $(CXXSRC:.cpp=.lst) $(SRC:.c=.lst)
+
+# Combine all necessary flags and optional flags.
+# Add target processor to flags.
+ALL_CFLAGS = -mmcu=$(MCU) -I. $(CFLAGS)
+ALL_CXXFLAGS = -mmcu=$(MCU) -I. $(CXXFLAGS)
+ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS)
+
+
+# Default target.
+all: build
+
+build: elf hex
+
+elf: $(TARGET).elf
+hex: $(TARGET).hex
+eep: $(TARGET).eep
+lss: $(TARGET).lss 
+sym: $(TARGET).sym
+
+# Program the device.  
+upload: $(TARGET).hex
+	$(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FLASH)
+
+
+
+
+# Convert ELF to COFF for use in debugging / simulating in AVR Studio or VMLAB.
+COFFCONVERT=$(OBJCOPY) --debugging \
+--change-section-address .data-0x800000 \
+--change-section-address .bss-0x800000 \
+--change-section-address .noinit-0x800000 \
+--change-section-address .eeprom-0x810000 
+
+
+coff: $(TARGET).elf
+	$(COFFCONVERT) -O coff-avr $(TARGET).elf $(TARGET).cof
+
+
+extcoff: $(TARGET).elf
+	$(COFFCONVERT) -O coff-ext-avr $(TARGET).elf $(TARGET).cof
+
+
+.SUFFIXES: .elf .hex .eep .lss .sym
+
+.elf.hex:
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+
+.elf.eep:
+	-$(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" \
+	--change-section-lma .eeprom=0 -O $(FORMAT) $< $@
+
+# Create extended listing file from ELF output file.
+.elf.lss:
+	$(OBJDUMP) -h -S $< > $@
+
+# Create a symbol table from ELF output file.
+.elf.sym:
+	$(NM) -n $< > $@
+
+
+core.a: $(OBJ)
+	@for i in $(OBJ); do echo $(AR) rcs core.a $$i; $(AR) rcs core.a $$i; done
+
+# Link: create ELF output file from library.
+$(TARGET).elf: core.a
+	$(CC) $(ALL_CFLAGS) -o $@ $(TARGET).cpp -L. core.a $(LDFLAGS)
+
+# Compile: create object files from C++ source files.
+.cpp.o:
+	$(CXX) -c $(ALL_CXXFLAGS) $< -o $@ 
+
+# Compile: create object files from C source files.
+.c.o:
+	$(CC) -c $(ALL_CFLAGS) $< -o $@ 
+
+
+# Compile: create assembler files from C source files.
+.c.s:
+	$(CC) -S $(ALL_CFLAGS) $< -o $@
+
+
+# Assemble: create object files from assembler source files.
+.S.o:
+	$(CC) -c $(ALL_ASFLAGS) $< -o $@
+
+
+
+# Target: clean project.
+clean:
+	$(REMOVE) $(TARGET).hex $(TARGET).eep $(TARGET).cof $(TARGET).elf \
+	$(TARGET).map $(TARGET).sym $(TARGET).lss core.a \
+	$(OBJ) $(LST) $(SRC:.c=.s) $(SRC:.c=.d) $(CXXSRC:.cpp=.s) $(CXXSRC:.cpp=.d)
+
+depend:
+	if grep '^# DO NOT DELETE' $(MAKEFILE) >/dev/null; \
+	then \
+		sed -e '/^# DO NOT DELETE/,$$d' $(MAKEFILE) > \
+			$(MAKEFILE).$$$$ && \
+		$(MV) $(MAKEFILE).$$$$ $(MAKEFILE); \
+	fi
+	echo '# DO NOT DELETE THIS LINE -- make depend depends on it.' \
+		>> $(MAKEFILE); \
+	$(CC) -M -mmcu=$(MCU) $(CDEFS) $(CINCS) $(SRC) $(ASRC) >> $(MAKEFILE)
+
+.PHONY:	all build elf hex eep lss sym program coff extcoff clean depend