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update Makefile

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This commit is contained in:
Olaf Rempel
2014-10-05 14:32:07 +02:00
parent ca2a0a99ae
commit 5e4b562608
3 changed files with 70 additions and 50 deletions
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100
Makefile
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@@ -1,65 +1,71 @@
PRG = twiboot
OBJ = main.o
MCU_TARGET = atmega88
OPTIMIZE = -Os
CC := avr-gcc
LD := avr-ld
OBJCOPY := avr-objcopy
OBJDUMP := avr-objdump
SIZE := avr-size
ifeq ($(MCU_TARGET), atmega8)
BOOTLOADER_START=0x1C00
TARGET = twiboot
SOURCE = $(wildcard *.c)
# select MCU
MCU = atmega88
AVRDUDE_PROG := -c avr910 -b 115200 -P /dev/ttyUSB0
#AVRDUDE_PROG := -c dragon_isp -P usb
# ---------------------------------------------------------------------------
ifeq ($(MCU), atmega8)
# (8Mhz internal RC-Osz., 2.7V BOD)
AVRDUDE_MCU=m8
endif
ifeq ($(MCU_TARGET), atmega88)
AVRDUDE_FUSES=lfuse:w:0x84:m hfuse:w:0xda:m
BOOTLOADER_START=0x1C00
endif
ifeq ($(MCU), atmega88)
# (8Mhz internal RC-Osz., 2.7V BOD)
AVRDUDE_MCU=m88
AVRDUDE_FUSES=lfuse:w:0xc2:m hfuse:w:0xdd:m efuse:w:0xfa:m
BOOTLOADER_START=0x1C00
endif
ifeq ($(MCU_TARGET), atmega168)
ifeq ($(MCU), atmega168)
# (8Mhz internal RC-Osz., 2.7V BOD)
AVRDUDE_MCU=m168 -F
AVRDUDE_FUSES=lfuse:w:0xc2:m hfuse:w:0xdd:m efuse:w:0xfa:m
BOOTLOADER_START=0x3C00
AVRDUDE_MCU=m168
endif
DEFS = -DAPP_END=$(BOOTLOADER_START)
LIBS =
# ---------------------------------------------------------------------------
# Override is only needed by avr-lib build system.
override CFLAGS = -g -Wall $(OPTIMIZE) -mmcu=$(MCU_TARGET) $(DEFS)
override LDFLAGS = -Wl,-Map,$(PRG).map,--section-start=.text=$(BOOTLOADER_START)
CFLAGS = -pipe -g -Os -mmcu=$(MCU) -Wall -fdata-sections -ffunction-sections
CFLAGS += -Wa,-adhlns=$(*F).lst -DBOOTLOADER_START=$(BOOTLOADER_START)
LDFLAGS = -Wl,-Map,$(@:.elf=.map),--cref,--relax,--gc-sections,--section-start=.text=$(BOOTLOADER_START)
CC = avr-gcc
OBJCOPY = avr-objcopy
OBJDUMP = avr-objdump
SIZE = avr-size
# ---------------------------------------------------------------------------
all: $(PRG).elf lst text
$(SIZE) -x -A $(PRG).elf
$(TARGET): $(TARGET).elf
@$(SIZE) -B -x --mcu=$(MCU) $<
$(PRG).elf: $(OBJ)
$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $^ $(LIBS)
$(TARGET).elf: $(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)
%.o: %.c $(MAKEFILE_LIST)
$(CC) $(CFLAGS) -c $< -o $@
@echo " Building file: $<"
@$(CC) $(CFLAGS) -o $@ -c $<
clean:
rm -rf *.o $(PRG).lst $(PRG).map $(PRG).elf $(PRG).hex $(PRG).bin
rm -rf $(SOURCE:.c=.o) $(SOURCE:.c=.lst) $(addprefix $(TARGET), .elf .map .lss .hex .bin)
lst: $(PRG).lst
install: $(TARGET).elf
avrdude $(AVRDUDE_PROG) -p $(AVRDUDE_MCU) -U flash:w:$(<:.elf=.hex)
%.lst: %.elf
$(OBJDUMP) -h -S $< > $@
text: hex bin
hex: $(PRG).hex
bin: $(PRG).bin
%.hex: %.elf
$(OBJCOPY) -j .text -j .data -O ihex $< $@
%.bin: %.elf
$(OBJCOPY) -j .text -j .data -O binary $< $@
install: text
avrdude -c dragon_isp -P usb -p $(AVRDUDE_MCU) -U flash:w:$(PRG).hex
#fuses:
# avrdude -c dragon_isp -P usb -p $(AVRDUDE_MCU) -U lfuse:w:0xc2:m
# avrdude -c dragon_isp -P usb -p $(AVRDUDE_MCU) -U hfuse:w:0xdd:m
# avrdude -c dragon_isp -P usb -p $(AVRDUDE_MCU) -U efuse:w:0xfa:m
fuses:
avrdude $(AVRDUDE_PROG) -p $(AVRDUDE_MCU) $(patsubst %,-U %, $(AVRDUDE_FUSES))