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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.tiny45,v 1.3 2007/06/07 13:53:47 harbaum Exp $ |
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# DEFINES += -DDEBUG |
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# DEFINES += -DDEBUG_LEVEL=1 |
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DEFINES += -DF_CPU=12000000 |
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COMPILE = avr-gcc -Wall -O2 -Iusbdrv -I. -mmcu=attiny45 $(DEFINES) |
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OBJECTS = usbdrv/usbdrv.o usbdrv/usbdrvasm.o usbdrv/oddebug.o main.o |
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# symbolic targets: |
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all: firmware.hex |
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.c.o: |
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$(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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# 0x5f = 0 1 0 1 1 1 1 1 <-- BODLEVEL0 (Brown out trigger level bit 0) |
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# ^ ^ ^ ^ ^ ^ ^------ BODLEVEL1 (Brown out trigger level bit 1) |
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# | | | | | +-------- BODLEVEL2 (Brown out trigger level bit 2) |
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# | | | | + --------- EESAVE (don't preserve EEPROM over chip erase) |
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# | | | +-------------- WDTON (WDT not always on) |
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# | | +---------------- SPIEN (allow serial programming) |
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# | +------------------ DWEN (ebug wire is enabled) |
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# +-------------------- RSTDISBL (reset pin is disabled) |
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# Fuse low byte: |
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# 0xdf = 1 1 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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# | +------------------ CKOUT (clock output enable) |
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# +-------------------- CKDIV8 (divide clock by eight disabled) |
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clean: |
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rm -f firmware.lst firmware.obj firmware.cof firmware.list firmware.map *.bin *.o */*.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 $(OBJECTS) |
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firmware.hex: firmware.bin |
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rm -f firmware.hex firmware.eep.hex |
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avr-objcopy -j .text -j .data -O ihex firmware.bin firmware.hex |
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./checksize firmware.bin 4096 196 |
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# do the checksize script as our last action to allow successful compilation |
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# on Windows with WinAVR where the Unix commands will fail. |
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program: firmware.hex |
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avrdude -P/dev/ttyS0 -c stk500hvsp -p attiny45 -U lfuse:w:0xdf:m -U flash:w:firmware.hex -U hfuse:w:0x5f:m |
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program-usb: firmware.hex |
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avrdude -P/dev/ttyUSB0 -c stk500hvsp -p attiny45 -U lfuse:w:0xdf:m -U flash:w:firmware.hex -U hfuse:w:0x5f:m |
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disasm: firmware.bin |
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avr-objdump -d firmware.bin |
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cpp: |
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$(COMPILE) -E main.c |