include ../mk/build.mk

INCLUDE_PATH	= ../include
HEADER_SUBDIR	= tabby
CROSS		= avr-

CC		= $(CROSS)gcc
CFLAGS		= $(CGFLAGS) -Wall -Os -mmcu=atmega328p -I$(INCLUDE_PATH)
LDFLAGS		=

OBJCOPY		= $(CROSS)objcopy
OBJCOPY_FLAGS	= -S

AVRDUDE		= avrdude
AVRDUDE_DEVICE	= /dev/cu.usbmodem1411
AVRDUDE_FLAGS	= -c arduino -p atmega328p -b 115200 -D -P $(AVRDUDE_DEVICE)

HEADERS_LOCAL	=
HEADERS_BUILD	= $(HEADERS_LOCAL) \
		  $(addprefix $(INCLUDE_PATH)/$(HEADER_SUBDIR)/,$(HEADERS))

HEADERS		= avr/buffer.h avr/uart.h clock.h command.h link.h
OBJS		= main.o uart.o

IMAGE_NAME	= tabby
IMAGE_ELF	= $(IMAGE_NAME).elf
IMAGE_BIN	= $(IMAGE_NAME).bin

RM		= /bin/rm

all: $(IMAGE_BIN)

$(IMAGE_BIN): $(IMAGE_ELF)
	$(OBJCOPY) $(OBJCOPY_FLAGS) -O binary $< $@

$(IMAGE_ELF): $(OBJS)
	$(CC) $(CFLAGS) $(OBJS) -o $@

$(OBJS): %.o: %.c $(HEADERS_BUILD)
	$(CC) $(CFLAGS) -c $<

flash: $(IMAGE_BIN)
	$(AVRDUDE) $(AVRDUDE_FLAGS) -U flash:w:$(IMAGE_BIN):r

clean:
	$(RM) -f $(IMAGE_BIN) $(IMAGE_ELF) $(OBJS)