###############################################################################
# Makefile for the project 061004
###############################################################################

## General Flags
PROJECT = 061004
MCU = atmega16
TARGET = 061004.elf
CC = avr-gcc

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

## Compile options common for all C compilation units.
CFLAGS = $(COMMON)
CFLAGS += -Wall -gdwarf-2                    -DF_CPU=4000000  -O0  -funsigned-char  -funsigned-bitfields  -fpack-struct  -fshort-enums
CFLAGS += -Wp,-M,-MP,-MT,$(*F).o,-MF,dep/$(@F).d 

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

## Linker flags
LDFLAGS = $(COMMON)
LDFLAGS += 


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

HEX_EEPROM_FLAGS = -j .eeprom
HEX_EEPROM_FLAGS += --set-section-flags=.eeprom="alloc,load"
HEX_EEPROM_FLAGS += --change-section-lma .eeprom=0


## Objects that must be built in order to link
OBJECTS = main.o twi.o uart.o ds1307.o 1602.o 

## Build
all: $(TARGET) 061004.hex 061004.eep

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

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

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

ds1307.o: ../ds1307.c
	$(CC) $(INCLUDES) $(CFLAGS) -c   $< -o $@

1602.o: ../1602.c
	$(CC) $(INCLUDES) $(CFLAGS) -c   $< -o $@

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

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

%.eep: $(TARGET)
	avr-objcopy $(HEX_EEPROM_FLAGS) -O ihex $< $@

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

## Clean target
.PHONY: clean
clean:
	-rm -rf $(OBJECTS) 061004.elf dep/ 061004.hex 061004.eep

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