83 lines
2.0 KiB
Makefile
83 lines
2.0 KiB
Makefile
# Configure the following variables according to your AVR.
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# Program the device with
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# make fuse # to set the clock generator, boot section size etc.
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# make flash # to load the boot loader into flash
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# make lock # to protect the boot loader from overwriting
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F_CPU = 12000000
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DEVICE = atmega32
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BOOTLOADER_ADDRESS = 0x7000
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FUSEOPT = -U lfuse:w:0xCF:m -U hfuse:w:0xD8:m
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LOCKOPT = -U lock:w:0x2f:m
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# reminder, if something gets broken: default lock-byte for a mega32 is 0x3f
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PROGRAMMER = -c avrispv2 -P usb -B 10
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# PROGRAMMER contains AVRDUDE options to address your programmer
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###############################################################################
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# Tools:
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AVRDUDE = avrdude $(PROGRAMMER) -p $(DEVICE)
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CC = avr-gcc
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# Options:
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DEFINES = -DMODELIBMMODELM
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#DEFINES = -DMODELMAYHEM
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#DEFINES = -DMODELSUNTYPE5
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#DEFINES = -DMODELIBMHOST
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CFLAGS = -Wall -Os -I. -mmcu=$(DEVICE) -DF_CPU=$(F_CPU) $(DEFINES)
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LDFLAGS = -Wl,--section-start=.text=$(BOOTLOADER_ADDRESS)
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OBJECTS = usbdrv/usbdrvasm.o usbdrv/oddebug.o main.o
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# symbolic targets:
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all: main.hex
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.c.o:
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$(CC) $(CFLAGS) -c $< -o $@
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.S.o:
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$(CC) $(CFLAGS) -x assembler-with-cpp -c $< -o $@
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# "-x assembler-with-cpp" should not be necessary since this is the default
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# file type for the .S (with capital S) extension. However, upper case
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# characters are not always preserved on Windows. To ensure WinAVR
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# compatibility define the file type manually.
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.c.s:
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$(CC) $(CFLAGS) -S $< -o $@
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flash: all
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$(AVRDUDE) -U flash:w:main.hex:i
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readflash:
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$(AVRDUDE) -U flash:r:read.hex:i
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fuse:
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$(AVRDUDE) $(FUSEOPT)
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lock:
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$(AVRDUDE) $(LOCKOPT)
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read_fuses:
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$(UISP) --rd_fuses
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clean:
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rm -f main.hex main.bin *.o usbdrv/*.o main.s usbdrv/oddebug.s usbdrv/usbdrv.s
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# file targets:
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main.bin: $(OBJECTS)
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$(CC) $(CFLAGS) -o main.bin $(OBJECTS) $(LDFLAGS)
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main.hex: main.bin
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rm -f main.hex main.eep.hex
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avr-objcopy -j .text -j .data -O ihex main.bin main.hex
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avr-size main.hex
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disasm: main.bin
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avr-objdump -d main.bin
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cpp:
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$(CC) $(CFLAGS) -E main.c
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