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# Name: Makefile |
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# Project: USB I2C |
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# Author: Christian Starkjohann, modified for I2C USB by Till Harbaum |
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# Creation Date: 2005-03-20 |
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# Tabsize: 4 |
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# Copyright: (c) 2005 by OBJECTIVE DEVELOPMENT Software GmbH |
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# License: Proprietary, free under certain conditions. See Documentation. |
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# This Revision: $Id: Makefile-avrusb.mega8,v 1.1 2006/12/03 21:28:59 harbaum Exp $ |
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SERIAL = `echo /dev/tty.[Uu][Ss]*` |
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UISP = uisp -dprog=stk200 |
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# UISP = uisp -dprog=avr910 -dserial=$(SERIAL) -dpart=auto |
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# The two lines above are for "uisp" and the AVR910 serial programmer connected |
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# to a Keyspan 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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DEFINES += -DDEBUG |
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DEFINES += -DDEBUG_LEVEL=1 |
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COMPILE = avr-gcc -Wall -O2 -Iusbdrv -I. -mmcu=atmega8 $(DEFINES) |
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OBJECTS = usbdrv/usbdrv.o usbdrv/usbdrvasm.o usbdrv/oddebug.o main.o |
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# symbolic targets: |
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all: firmware.hex |
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.c.o: |
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$(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 $@ |
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# Fuse high byte: |
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# 0xD9 = 1 1 0 1 1 0 0 1 = Factory Default Value |
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# 0xC9 = 1 1 0 0 1 0 0 1 <-- BOOTRST (boot reset vector at 0x0000) |
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# ^ ^ ^ ^ ^ ^ ^------ BOOTSZ0 |
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# | | | | | +-------- BOOTSZ1 |
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# | | | | + --------- EESAVE (don't preserve EEPROM over chip erase) |
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# | | | +-------------- CKOPT (full output swing) |
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# | | +---------------- SPIEN (allow serial programming) |
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# | +------------------ WDTON (WDT not always on) |
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# +-------------------- RSTDISBL (reset pin is enabled) |
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# Fuse low byte: |
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# 0xE1 = 1 1 1 0 0 0 0 1 = Factory Default Value |
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# 0x9F = 1 0 0 1 1 1 1 1 |
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# ^ ^ \ / \--+--/ |
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# | | | +------- CKSEL 3..0 (external >8M crystal) |
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# | | +--------------- SUT 1..0 (crystal osc, BOD enabled) |
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# | +------------------ BODEN (BrownOut Detector enabled) |
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# +-------------------- BODLEVEL (2.7V) |
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fuse: |
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$(UISP) --wr_fuse_h=0xc9 --wr_fuse_l=0x9f |
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clean: |
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rm -f firmware.hex firmware.lst firmware.obj firmware.cof firmware.list firmware.map firmware.eep.hex firmware.bin *.o usbdrv/*.o firmware.s usbdrv/oddebug.s usbdrv/usbdrv.s |
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# file targets: |
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firmware.bin: $(OBJECTS) |
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$(COMPILE) -o firmware.bin $(OBJECTS) |
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firmware.hex: firmware.bin |
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rm -f firmware.hex firmware.eep.hex |
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avr-objcopy -j .text -j .data -O ihex firmware.bin firmware.hex |
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./checksize firmware.bin 8192 960 |
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# do the checksize script as our last action to allow successful compilation |
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# on Windows with WinAVR where the Unix commands will fail. |
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program: firmware.hex |
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avrdude -c usbasp -p atmega8 -U lfuse:w:0x9f:m -U hfuse:w:0xc9:m -U flash:w:firmware.hex |
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program-nodep: |
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avrdude -c usbasp -p atmega8 -U lfuse:w:0x9f:m -U hfuse:w:0xc9:m -U flash:w:firmware.hex |
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disasm: firmware.bin |
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avr-objdump -d firmware.bin |
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cpp: |
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$(COMPILE) -E main.c |