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# Copyright: (c) 2007 by OBJECTIVE DEVELOPMENT Software GmbH
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# Copyright: (c) 2007 by OBJECTIVE DEVELOPMENT Software GmbH
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# License: GPLv2.
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# License: GPLv2.
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# This Revision: $Id$
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# This Revision: $Id$
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DEVICE=atmega168
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DEVICE=atmega168
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F_CPU=20000000
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HID_SIZE=44
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AVRDUDE = avrdude -c avrispmkii -P usb -p $(DEVICE)
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AVRDUDE = avrdude -c avrispmkii -P usb -p $(DEVICE)
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# The two lines above are for "avrdude" and the STK500 programmer connected
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# The two lines above are for "avrdude" and the STK500 programmer connected
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# to an USB to serial converter to a Mac running Mac OS X.
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# to an USB to serial converter to a Mac running Mac OS X.
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# Choose your favorite programmer and interface.
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# Choose your favorite programmer and interface.
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COMPILE = avr-gcc -Wall -Os -Iusbdrv -I. -mmcu=$(DEVICE) -DF_CPU=12000000 -DDEBUG_LEVEL=0
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COMPILE = avr-gcc -Wall -Os -Iusbdrv -I. -mmcu=$(DEVICE) -DF_CPU=$(F_CPU) -DHID_SIZE=$(HID_SIZE) -DDEBUG_LEVEL=0
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# NEVER compile the final product with debugging! Any debug output will
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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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# 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
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#OBJECTS = usbdrv/usbdrv.o usbdrv/usbdrvasm.o usbdrv/oddebug.o main.o
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OBJECTS = usbdrv/usbdrv.o usbdrv/usbdrvasm.o  main.o
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OBJECTS = usbdrv/usbdrv.o usbdrv/usbdrvasm.o  main.o
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flash:	all
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flash:	all
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	$(AVRDUDE) -U flash:w:main.hex:i
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	$(AVRDUDE) -U flash:w:main.hex:i
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# Fuse high byte:
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# 0xdd = 1 1 0 1   1 1 0 1
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#        ^ ^ ^ ^   ^ \-+-/
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#        | | | |   |   +------ BODLEVEL 2..0 (brownout trigger level -> 2.7V)
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#        | | | |   +---------- EESAVE (preserve EEPROM on Chip Erase -> not preserved)
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#        | | | +-------------- WDTON (watchdog timer always on -> disable)
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#        | | +---------------- SPIEN (enable serial programming -> enabled)
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#        | +------------------ DWEN (debug wire enable)
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#        +-------------------- RSTDISBL (disable external reset -> enabled)
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#
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# Fuse low byte:
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# 0xe1 = 1 1 1 0   0 0 0 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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#        | +------------------ CKOUT (clock output on CKOUT pin -> disabled)
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#        +-------------------- CKDIV8 (divide clock by 8 -> don't divide)
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fuse:
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fuse:
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	$(AVRDUDE) -U hfuse:w:0xdd:m -U lfuse:w:0xe1:m
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	$(AVRDUDE) -U hfuse:w:0xdf:m -U lfuse:w:0xff:m
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fusedef:
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fusedef:
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	$(AVRDUDE) -U hfuse:w:0xdf:m -Ulfuse:w:0x64:m
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	$(AVRDUDE) -U hfuse:w:0xdf:m -U lfuse:w:0x62:m
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readcal:
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readcal:
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	$(AVRDUDE) -U calibration:r:/dev/stdout:i | head -1
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	$(AVRDUDE) -U calibration:r:/dev/stdout:i | head -1
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