2007-11-15 15:42:07 +01:00
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# $Id: Makefile,v 1.2 2007/11/15 14:42:07 rschaten Exp $
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2006-09-26 20:18:27 +02:00
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AVRDUDE = avrdude -p atmega8 -P /dev/parport0 -c stk200
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COMPILE = avr-gcc -Wall -Os -Iusbdrv -I../common -I. -mmcu=atmega8 #-DDEBUG_LEVEL=2
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# NEVER compile the final product with debugging! Any debug output will
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# distort timing so that the specs can't be met.
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OBJECTS = usbdrv/usbdrv.o usbdrv/usbdrvasm.o usbdrv/oddebug.o main.o pwm_timer.o pwm_channels.o message_queue.o
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# Note that we link usbdrv.o first! This is required for correct alignment of
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# driver-internal global variables!
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# symbolic targets:
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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 $@
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# "-x assembler-with-cpp" should not be necessary since this is the default
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# file type for the .S (with capital S) extension. However, upper case
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# characters are not always preserved on Windows. To ensure WinAVR
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# compatibility define the file type manually.
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.c.s:
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$(COMPILE) -S $< -o $@
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program: all
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$(AVRDUDE) -E noreset,vcc -U flash:w:main.hex
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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 usbdrv/*.o main.s usbdrv/oddebug.s usbdrv/usbdrv.s
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# file targets:
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main.bin: $(OBJECTS)
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$(COMPILE) -o main.bin $(OBJECTS)
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main.hex: main.bin
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rm -f main.hex main.eep.hex
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avr-objcopy -j .text -j .data -O ihex main.bin main.hex
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disasm: main.bin
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avr-objdump -d main.bin
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cpp:
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$(COMPILE) -E main.c
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2007-11-15 15:42:07 +01:00
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# Fuse high byte:
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# 0xc9 = 1 1 0 0 1 0 0 1
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# ^ ^ ^ ^ ^ \-+-/
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# | | | | | +------ BOOT
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# | | | | +---------- EESAVE (preserve EEPROM on Chip Erase -> not preserved)
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# | | | +-------------- CKOPT
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# | | +---------------- SPIEN (enable serial programming -> enabled)
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# | +------------------ WDTON (watchdog timer always on -> disable)
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# +-------------------- RSTDISBL (disable external reset -> enabled)
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#
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# Fuse low byte:
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# 0x9f = 1 0 0 1 1 1 1 1
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# ^ ^ \+/ \--+--/
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# | | | +------- CKSEL 3..0 (clock selection -> HF PLL)
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# | | +--------------- SUT 1..0 (BOD enabled, fast rising power)
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# | +------------------ BODEN
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# +-------------------- BODLEVEL
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# external Crystal ===> CKSEL = 1111
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fuses:
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$(AVRDUDE) -U hfuse:w:0xc9:m -U lfuse:w:0x9f:m
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