###############################################################################
# Makefile for the project LCD_con_320x240_8Grau
###############################################################################

## General Flags
PROJECT = main
TARGET = main.elf
CC = avr-gcc

CPP = avr-g++

DEPENDFILE = .depend

MCU = atmega162

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

## Compile options common for all C compilation units.
CFLAGS += $(COMMON)
CFLAGS += -gdwarf-2 -std=gnu99 -Os -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums
CFLAGS += -MD -MP -MT $(*F).o -MF dep/$(@F).d 

## Assembly specific flags
ASMFLAGS = $(COMMON)
ASMFLAGS += $(CFLAGS)
ASMFLAGS += -x assembler-with-cpp -Wa,-gdwarf2

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


## Intel Hex file production flags
HEX_FLASH_FLAGS = -R .lock -R .signature


## Objects that must be built in order to link
OBJECTS = main.o lcd.o uart.o

## Objects explicitly added by the user
LINKONLYOBJECTS = 


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

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

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

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

lcdcon.o: ../lcdcon.S Makefile
	$(CC) $(INCLUDES) $(CFLAGS) -c  $<

dep: $(SRC)
	$(CC) -MM $(SRC) > $(DEPENDFILE)	

##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) main.elf dep/* main.hex main.lss main.map
steril:
	-rm -rf $(OBJECTS) main.elf dep/* main.lss main.map


## Other dependencies
-include $(shell mkdir dep 2>/dev/null) $(wildcard dep/*) $(DEPENDFILE)