###############################################################################
# Makefile for the project cdctiny
###############################################################################

## General Flags
PROJECT = cdcmega
MCU = atmega48
TARGET = $(PROJECT).elf
CC = avr-gcc.exe

## Options common to compile, link and assembly rules
COMMON = -mmcu=$(MCU)

## Compile options common for all C compilation units.
CFLAGS = $(COMMON)
CFLAGS += -Wall                                                                               -DF_CPU=12000000UL  -O2 -fsigned-char

## Assembly specific flags
ASMFLAGS = $(COMMON)
ASMFLAGS += -x assembler-with-cpp -Wa

## Linker flags
LDFLAGS = $(COMMON)
LDFLAGS +=  -Wl,-Map=$(PROJECT).map


## Intel Hex file production flags
HEX_FLASH_FLAGS = -R .eeprom


## Include Directories
INCLUDES = -I"." -I"..\usbdrv" -I"..\." 

## Objects that must be built in order to link
OBJECTS = usbdrv.o usbdrvasm.o oddebug.o uart-asm.o uart.o sw-uart-asm.o sw-uart.o main.o

## Objects explicitly added by the user
LINKONLYOBJECTS = 

## Build
all: $(TARGET) $(PROJECT).hex $(PROJECT).lss size

## Compile
usbdrv.o: ../usbdrv/usbdrv.c
	$(CC) $(INCLUDES) $(CFLAGS) -c  $<

usbdrvasm.o: ../usbdrv/usbdrvasm.S
	$(CC) $(INCLUDES) $(ASMFLAGS) -c  $<

oddebug.o: ../usbdrv/oddebug.c
	$(CC) $(INCLUDES) $(CFLAGS) -c  $<

uart-asm.o: ../uart-asm.S
	$(CC) $(INCLUDES) $(ASMFLAGS) -c  $<

uart.o: ../uart.c
	$(CC) $(INCLUDES) $(CFLAGS) -c  $<

sw-uart-asm.o: ../sw-uart-asm.S
	$(CC) $(INCLUDES) $(ASMFLAGS) -c  $<

sw-uart.o: ../sw-uart.c
	$(CC) $(INCLUDES) $(CFLAGS) -c  $<

main.o: ../main.c
	$(CC) $(INCLUDES) $(CFLAGS) -c  $<

##Link
$(TARGET): $(OBJECTS)
	 $(CC) $(LDFLAGS) $(OBJECTS) $(LINKONLYOBJECTS) $(LIBDIRS) $(LIBS) -o $(TARGET)

%.hex: $(TARGET)
	avr-objcopy -O ihex $(HEX_FLASH_FLAGS)  $< $@

%.lss: $(TARGET)
	avr-objdump -h -S $< > $@

size: ${TARGET}
	@echo
	@avr-size -C --mcu=${MCU} ${TARGET}

## Clean target
.PHONY: clean
clean:
	-rm -rf $(OBJECTS) $(PROJECT).*