AVR ISP adapter (avr109/910 compatible, using ATmega16)
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CC := avr-gcc
LD := avr-ld
OBJCOPY := avr-objcopy
OBJDUMP := avr-objdump
SIZE := avr-size
TARGET = ispprog
SOURCE = $(wildcard *.c)
BUILD_DIR = build
#CONFIG = ispprog
CONFIG = ispprog2
AVRDUDE_PROG := -c butterfly -b 19200 -P /dev/ttyUSB0
#AVRDUDE_PROG := -c dragon_isp -P usb
# ---------------------------------------------------------------------------
ifeq ($(CONFIG), ispprog)
# (7.3728MHz ext. crystal)
AVRDUDE_MCU=m16
AVRDUDE_FUSES=lfuse:w:0xff:m hfuse:w:0xda:m
MCU=atmega16
endif
ifeq ($(CONFIG), ispprog2)
# (8MHz int. osc, 2.7V BOD)
AVRDUDE_MCU=m328p -F
AVRDUDE_FUSES=lfuse:w:0xe2:m hfuse:w:0xdc:m efuse:w:0x02:m
MCU = atmega328p
endif
# ---------------------------------------------------------------------------
CFLAGS = -pipe -g -Os -mmcu=$(MCU) -Wall -fdata-sections -ffunction-sections
CFLAGS += -Wa,-adhlns=$(BUILD_DIR)/$(*D)/$(*F).lst -MMD -MP -MF $(BUILD_DIR)/$(*D)/$(*F).d
CFLAGS += -DCONFIG_$(CONFIG)=1
LDFLAGS = -Wl,-Map,$(@:.elf=.map),--cref,--relax,--gc-sections
# ---------------------------------------------------------------------------
$(TARGET): $(BUILD_DIR)/$(TARGET).elf
@$(SIZE) -B -x --mcu=$(MCU) $<
$(BUILD_DIR)/$(TARGET).elf: $(patsubst %,$(BUILD_DIR)/%,$(SOURCE:.c=.o))
@echo " Linking file: $@"
@$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^
@$(OBJDUMP) -h -S $@ > $(@:.elf=.lss)
@$(OBJCOPY) -j .text -j .data -O ihex $@ $(@:.elf=.hex)
@$(OBJCOPY) -j .text -j .data -O binary $@ $(@:.elf=.bin)
$(BUILD_DIR)/%.o: %.c $(MAKEFILE_LIST)
@echo " Building file: $<"
@$(shell test -d $(BUILD_DIR)/$(*D) || mkdir -p $(BUILD_DIR)/$(*D))
@$(CC) $(CFLAGS) -o $@ -c $<
include $(shell find $(BUILD_DIR) -name \*.d 2> /dev/null)
clean:
rm -rf $(BUILD_DIR)
install: $(BUILD_DIR)/$(TARGET).elf
avrdude $(AVRDUDE_PROG) -p $(AVRDUDE_MCU) -U flash:w:$(<:.elf=.hex)
fuses:
avrdude $(AVRDUDE_PROG) -p $(AVRDUDE_MCU) $(patsubst %,-U %, $(AVRDUDE_FUSES))