# Arduino Makefile modified and cleaned up by Jordan Perr
# Original from Arduino.cc
#
# Tested with Arduino software 0013 for Mac
#
# To Use this Makefile:
#   -Copy this makefile into your project's directory
#	  -set BUILD_TARGETS all of your project's files to BUILD_TARGETS
#	  -set TARGET to your main target file's name. (eg. main for main.cpp)
#	  -set INSTALL_DIR to the location of your arduino installation
#	  -set LOAD_PORT to the serial port you wish to download to. Use * as a wildcard
#   -set READ_PORT to the serial port you wish to read from (cat port)
#
#
#
# make [build]
#   -builds into current directory, creating a TARGET.hex binary
#
# make upload
#   -uses avrdude to download TARGET.hex to PORT
#
# make clean
#   -removes all temp and binary files created during build
#
# make read
#   -reads serial port to console
#
# make cycle
#   - make build load read
#

# project specific settings

TARGET = main
BUILD_TARGETS = main.cpp
INSTALL_DIR = /Applications/arduino-0013
LOAD_PORT = /dev/tty.usb*
READ_PORT = /dev/cu.usb*

# arduino model specific settings

UPLOAD_RATE = 19200
AVRDUDE_PROGRAMMER = stk500
MCU = atmega168


###############################
##  don't go below this line ##
###############################

# Arduino Distrobution Settings (v.0013)
ARDUINO = $(INSTALL_DIR)/hardware/cores/arduino
LIBRARY = $(INSTALL_DIR)/hardware/libraries
AVR_TOOLS_PATH = $(INSTALL_DIR)/hardware/tools/avr/bin
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 = $(BUILD_TARGETS) $(ARDUINO)/HardwareSerial.cpp $(ARDUINO)/WMath.cpp $(ARDUINO)/Print.cpp
FORMAT = ihex

# Environment settings
CC = $(AVR_TOOLS_PATH)/avr-gcc
CXX = $(AVR_TOOLS_PATH)/avr-gcc
OBJCOPY = $(AVR_TOOLS_PATH)/avr-objcopy
OBJDUMP = $(AVR_TOOLS_PATH)/avr-objdump
SIZE = $(AVR_TOOLS_PATH)/avr-size
NM = $(AVR_TOOLS_PATH)/avr-nm
AVRDUDE = $(AVR_TOOLS_PATH)/avrdude
REMOVE = rm -f
MV = mv -f


###### HELPFUL DEFINITIONS =====

# Compiler Flags
ALL_CFLAGS = -c -g -Os -w -ffunction-sections -fdata-sections -mmcu=$(MCU) -DF_CPU=16000000L -I$(ARDUINO) -I$(LIBRARY)
ALL_CXXFLAGS = -c -g -Os -w -fno-exceptions -ffunction-sections -fdata-sections -mmcu=$(MCU) -DF_CPU=16000000L -I$(ARDUINO) -I$(LIBRARY)

# Assembler Flags
ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp

# Loader flags
AVRDUDE_FLAGS = -C $(INSTALL_DIR)/hardware/tools/avr/etc/avrdude.conf -V -p $(MCU) -P $(LOAD_PORT) -c $(AVRDUDE_PROGRAMMER) -b $(UPLOAD_RATE) -D -U flash:w:$(TARGET).hex:i

# Define all object files.
OBJ = $(SRC:.c=.o) $(CXXSRC:.cpp=.o) $(ASRC:.S=.o)



###### ROUTINES #######




# ALIASES
all: build
build: hex
cycle: build load read




# READ
read:
	cat $(READ_PORT)

# UPLAOD  
load: upload
upload: $(TARGET).hex
	$(AVRDUDE) $(AVRDUDE_FLAGS)
	
# CLEAN
clean:
	$(REMOVE) $(TARGET).hex $(TARGET).eep $(TARGET).cof $(TARGET).elf \
	$(TARGET).map $(TARGET).sym $(TARGET).lss \
	$(OBJ) $(SRC:.c=.s) $(SRC:.c=.d) $(CXXSRC:.cpp=.s) $(CXXSRC:.cpp=.d)
	



# Transcode: create HEX file from ELF file.
hex: elf
	$(OBJCOPY) -O $(FORMAT) -R .eeprom $(TARGET).elf $(TARGET).hex


# Link: create ELF output file from object files.
elf: $(OBJ)
	$(CC) -Os -Wl,--gc-sections -mmcu=atmega168 -o $(TARGET).elf $(OBJ) -lm


# 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 $@