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pfowler |
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DEVICE=attiny24
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F_CPU=8000000
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HFUSE=0xdf
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LFUSE=0xe2
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HDUSE=0xdf # Default fuses for device
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LDUSE=0x62
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PROGTYPE=avrispmkii
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PROGPORT=usb
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INCLUDES=-I. -I./lib/
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VALUES=-DF_CPU=$(F_CPU)
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AVRDUDE = avrdude -c $(PROGTYPE) -P $(PROGPORT) -p $(DEVICE)
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#COMPILE = avr-gcc -Wall -Os -DDEBUG_LEVEL=0 -mmcu=$(DEVICE) $(INCLUDES) $(VALUES)
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# Use this one to trip out unused functions
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COMPILE = avr-gcc -mtiny-stack -Wall -Wl,-gc-section -fdata-sections -ffunction-sections -Os -DDEBUG_LEVEL=0 -mmcu=$(DEVICE) $(INCLUDES) $(VALUES)
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OBJECTS = main.o
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OBJECTS += lib/avrutil.o
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OBJECTS += lib/hc595.o
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OBJECTS += lib/usiTwiSlave.o
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OBJECTS += lib/twires.o
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#OBJECTS += lib/uart.o
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#OBJECTS += lib/twi.o
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#OBJECTS += lib/wire.o
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#OBJECTS += lib/lcd.o
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#OBJECTS += lib/e2p.o
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#OBJECTS += lib/mio.o
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#OBJECTS += lib/oled.o
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#OBJECTS += lib/gfx.o
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#OBJECTS += lib/dht.o
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#OBJECTS += lib/lmd.o
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# Compiling:
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all: main.hex
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.c.o:
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$(COMPILE) -c $< -o $@
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.S.o:
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$(COMPILE) -x assembler-with-cpp -c $< -o $@
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.c.s:
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$(COMPILE) -S $< -o $@
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main.bin: $(OBJECTS)
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$(COMPILE) -o main.bin $(OBJECTS) -lm
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main.hex: main.bin
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rm -f main.hex main.eep.hex
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avr-objcopy -j .text -j .data -O ihex main.bin main.hex
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./checksize main.bin 4096 256
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# do the checksize script as our last action to allow successful compilation
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# on Windows with WinAVR where the Unix commands will fail.
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disasm: main.bin
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avr-objdump -d main.bin
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clean:
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rm -f main.hex main.lst main.obj main.cof main.list main.map main.eep.hex main.bin *.o lib/*.o main.s
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# Functions interfacing to the device
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flash: all
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sudo $(AVRDUDE) -U flash:w:main.hex:i
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fuse:
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sudo $(AVRDUDE) -U hfuse:w:$(HFUSE):m -U lfuse:w:$(LFUSE):m
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fusedef:
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sudo $(AVRDUDE) -U hfuse:w:$(HDUSE):m -U lfuse:w:$(LDUSE):m
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readcal:
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sudo $(AVRDUDE) -U calibration:r:/dev/stdout:i | head -1
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readfuse:
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sudo $(AVRDUDE) -U lfuse:r:-:h -U hfuse:r:-:h -U efuse:r:-:h -U lock:r:-:h
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