bootloader/bootloader.Makefile at master · wdl83/bootloader · GitHub

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DRV ?= atmega328p_drv
MODBUS_C ?= modbus_c
OBJ_DIR ?= obj


BOOTLOADER_FLASH_ADDR=0x7000

include $(DRV)/Makefile.defs

# get default linker script for target MCU
# avr-gcc -mmcu=atmega328p -Wl,--verbose
# hfuse for atmega328p 0x90

CFLAGS += \
	-DEEPROM_ADDR_RTU_ADDR=0x0 \
	-DMODBUS_RTU_MEMORY_RD_HOLDING_REGISTERS_DISABLED \
	-DMODBUS_RTU_MEMORY_WR_REGISTERS_DISABLED \
	-DMODBUS_RTU_MEMORY_WR_REGISTER_DISABLED \
	-DRTU_MEMORY_ADDR=0x2000 \
	-DRTU_MEMORY_SIZE=400 \
	-DRTU_ERR_REBOOT_THREASHOLD=16 \
	-DTLOG_SIZE=256 \
	-DUSART0_RX_NO_BUFFERING \
	-I . \
	-I$(DRV) \
	-I$(MODBUS_C)

TARGET = bootloader
CSRCS = \
	$(DRV)/drv/tmr0.c \
	$(DRV)/drv/usart0.c \
	$(DRV)/drv/watchdog.c \
	$(MODBUS_C)/atmega328p/crc.c \
	$(MODBUS_C)/atmega328p/rtu_impl.c \
	$(MODBUS_C)/rtu.c \
	$(MODBUS_C)/rtu_memory.c \
	bootloader.c \
	fixed.c \
	rtu_cmd.c

LDFLAGS += \
	-Wl,-T atmega328p.ld

ifdef RELEASE
	CFLAGS +=  \
		-DASSERT_DISABLE \
		-DTLOG_DISABLE
	LDFLAGS += \
		-Wl,--section-start=.text=$(BOOTLOADER_FLASH_ADDR)
else
	CSRCS += \
		$(DRV)/drv/tlog.c \
		$(DRV)/drv/util.c \
		$(DRV)/hw.c
endif

OBJCPFLAGS += -j .mdata

include $(DRV)/Makefile.rules

clean:
	rm $(OBJ_DIR) -rf

write_hfuse:
	avrdude -p atmega328p -P usb -c dragon_isp -U hfuse:w:0x90:m