50 lines
1.1 KiB
Makefile
50 lines
1.1 KiB
Makefile
# Doorlock AVR - The AVR part of doorlockd
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#
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# Copyright (c) Binary Kitchen e.V., 2018
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#
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# Authors:
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# Ralf Ramsauer <ralf@binary-kitchen.de>
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#
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# This work is licensed under the terms of the GNU GPL, version 2. See
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# the COPYING file in the top-level directory.
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TARGET = doorlock
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MCU ?= attiny2313a
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F_OSC ?= 4000000
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UART_BAUD ?= 9600
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AVRDUDE_MCU ?= t2313
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PROGRAMMER=linuxspi
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PORT=/dev/spidev0.0:/dev/gpiochip0:25
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SPEED=125000
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OBJS = main.o uart.o
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CC = avr-gcc
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OBJCOPY = avr-objcopy
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AVRDUDE = avrdude
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CFLAGS := -g -O2 -mmcu=$(MCU)
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CFLAGS += -Wall -Wextra -Wstrict-prototypes
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CFLAGS += -DF_OSC=$(F_OSC) -DF_CPU=F_OSC -DUART_BAUD=$(UART_BAUD)UL -DMCU=$(MCU)
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all: $(TARGET).hex
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$(TARGET).elf: $(OBJS)
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$(CC) $(CFLAGS) -o $(TARGET).elf $^
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$(TARGET).hex: $(TARGET).elf
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$(OBJCOPY) -O ihex -R .eeprom $^ $@
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program: $(TARGET).hex
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$(AVRDUDE) -p $(AVRDUDE_MCU) -c $(PROGRAMMER) -P $(PORT) -U flash:w:$^
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fuse:
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$(AVRDUDE) -p $(AVRDUDE_MCU) -c $(PROGRAMMER) -P $(PORT) -b $(SPEED) -U lfuse:w:0xfd:m -U hfuse:w:0xdf:m -U efuse:w:0xff:m
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clean:
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rm -f $(OBJS)
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rm -f $(TARGET).elf $(TARGET).hex
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