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# ====================================================================== |
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# Common Makefile for USBtiny applications |
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# |
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# Macros to be defined before including this file: |
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# |
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# USBTINY - the location of this directory |
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# TARGET_ARCH - gcc -mmcu= option with AVR device type |
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# OBJECTS - the objects in addition to the USBtiny objects |
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# FLASH_CMD - command to upload main.hex to flash |
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# FUSES_CMD - command to program the fuse bytes |
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# STACK - maximum stack size (optional) |
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# FLASH - flash size (optional) |
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# SRAM - SRAM size (optional) |
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# SCHEM - Postscript version of the schematic to be generated |
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# |
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# Copyright 2006-2010 Dick Streefland |
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# |
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# This is free software, licensed under the terms of the GNU General |
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# Public License as published by the Free Software Foundation. |
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# ====================================================================== |
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check = $(shell $(CC) $1 -c -xc /dev/null -o/dev/null 2>/dev/null && echo $1) |
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CC = avr-gcc |
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OPTIM = -Os -ffunction-sections $(call check,-fno-split-wide-types) |
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CFLAGS = -g -Wall -Wattributes -I. -I$(USBTINY) $(OPTIM) |
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LDFLAGS = -g -Wl,--relax,--gc-sections |
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MODULES = crc.o int.o usb.o $(OBJECTS) |
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UTIL = $(USBTINY)/../util |
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main.hex: |
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all: main.hex $(SCHEM) |
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clean: |
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rm -f main.elf *.o tags *.sch~ gschem.log |
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clobber: clean |
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rm -f main.hex $(SCHEM) |
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main.elf: $(MODULES) |
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$(LINK.o) -o $@ $(MODULES) |
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main.hex: main.elf $(UTIL)/check.py |
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@python $(UTIL)/check.py main.elf $(STACK) $(FLASH) $(SRAM) |
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avr-objcopy -j .text -j .data -O ihex main.elf main.hex |
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check: main.elf $(UTIL)/check.py |
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@python $(UTIL)/check.py main.elf $(STACK) $(FLASH) $(SRAM) |
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disasm: main.elf |
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avr-objdump -S main.elf |
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flash: main.hex |
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$(FLASH_CMD) |
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fuses: |
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$(FUSES_CMD) |
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crc.o: $(USBTINY)/crc.S $(USBTINY)/def.h usbtiny.h |
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$(COMPILE.c) $(USBTINY)/crc.S |
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int.o: $(USBTINY)/int.S $(USBTINY)/def.h usbtiny.h |
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$(COMPILE.c) $(USBTINY)/int.S |
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usb.o: $(USBTINY)/usb.c $(USBTINY)/def.h $(USBTINY)/usb.h usbtiny.h |
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$(COMPILE.c) $(USBTINY)/usb.c |
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main.o: $(USBTINY)/usb.h |
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%.ps: %.sch $(UTIL)/sch2ps |
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$(UTIL)/sch2ps $< |