You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 

60 lines
1.8 KiB

CC := avr-gcc
LD := avr-ld
OBJCOPY := avr-objcopy
OBJDUMP := avr-objdump
SIZE := avr-size
TARGET = funkboot
SOURCE = $(wildcard *.c)
BUILD_DIR = build
CONFIG = funkstuff168
AVRDUDE_PROG := -c avr910 -b 115200 -P /dev/ispprog
#AVRDUDE_PROG := -c dragon_isp -P usb
# ---------------------------------------------------------------------------
ifeq ($(CONFIG), funkstuff168)
# (ext. crystal 16MHz, 2.7V BOD)
MCU = atmega168
AVRDUDE_MCU=m168 -F
AVRDUDE_FUSES=lfuse:w:0xff:m hfuse:w:0xdd:m efuse:w:0x00:m
BOOTLOADER_START=0x3800
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)/$(*F).d
CFLAGS += -DBOOTLOADER_START=$(BOOTLOADER_START) -DCONFIG_$(CONFIG)=1
LDFLAGS = -Wl,-Map,$(@:.elf=.map),--cref,--relax,--gc-sections,--section-start=.text=$(BOOTLOADER_START)
# ---------------------------------------------------------------------------
$(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))