182 lines
6.9 KiB
Makefile
182 lines
6.9 KiB
Makefile
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# Name: Makefile
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# Project: USBaspLoader
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# Author: Christian Starkjohann
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# Creation Date: 2007-12-10
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# Tabsize: 4
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# Copyright: (c) 2007 by OBJECTIVE DEVELOPMENT Software GmbH
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# License: GNU GPL v2 (see License.txt)
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# This Revision: $Id$
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###############################################################################
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# Configure the following variables according to your AVR.
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# Program the device with
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# make fuse # to set the clock generator, boot section size etc.
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# make flash # to load the boot loader into flash
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# make lock # to protect the boot loader from overwriting
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F_CPU = 16000000
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DEVICE = atmega8
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# BOOTLOADER_ADDRESS is 1800 for 8k devices, 3800 for 16k and 7800 for 32k.
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BOOTLOADER_ADDRESS = 1800
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FUSEOPT = $(FUSEOPT_8)
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LOCKOPT = -U lock:w:0x2f:m
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PROGRAMMER = -c usbasp
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# PROGRAMMER contains AVRDUDE options to address your programmer
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FUSEOPT_8 = -U lfuse:w:0xbf:m -U hfuse:w:0xc0:m
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FUSEOPT_88 = -U hfuse:w:0xd6:m -U lfuse:w:0xdf:m -U efuse:w:0x00:m
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FUSEOPT_168 = -U hfuse:w:0xd6:m -U lfuse:w:0xdf:m -U efuse:w:0x00:m
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FUSEOPT_328 = -U lfuse:w:0xf7:m -U hfuse:w:0xda:m -U efuse:w:0x03:m
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# You may have to change the order of these -U commands.
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#---------------------------------------------------------------------
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# ATMega8
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#---------------------------------------------------------------------
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# Fuse high byte:
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# 0xc0 = 1 1 0 0 0 0 0 0 <-- BOOTRST (boot reset vector at 0x1800)
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# ^ ^ ^ ^ ^ ^ ^------ BOOTSZ0
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# | | | | | +-------- BOOTSZ1
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# | | | | + --------- EESAVE (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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# 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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#---------------------------------------------------------------------
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# ATMega88, ATMega168
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#---------------------------------------------------------------------
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# Fuse extended byte:
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# 0x00 = 0 0 0 0 0 0 0 0 <-- BOOTRST (boot reset vector at 0x1800)
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# \+/
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# +------- BOOTSZ (00 = 2k bytes)
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# Fuse high byte:
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# 0xd6 = 1 1 0 1 0 1 1 0
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# ^ ^ ^ ^ ^ \-+-/
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# | | | | | +------ BODLEVEL 0..2 (110 = 1.8 V)
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# | | | | + --------- EESAVE (preserve EEPROM over chip erase)
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# | | | +-------------- WDTON (if 0: watchdog always on)
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# | | +---------------- SPIEN (allow serial programming)
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# | +------------------ DWEN (debug wire enable)
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# +-------------------- RSTDISBL (reset pin is enabled)
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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 (if 0: Clock output enabled)
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# +-------------------- CKDIV8 (if 0: divide by 8)
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#---------------------------------------------------------------------
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# ATMega328P
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#---------------------------------------------------------------------
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# Fuse extended byte:
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# 0x03 = - - - - - 0 1 1
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# \-+-/
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# +------ BODLEVEL 0..2 (011 = 4.3V)
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# Fuse high byte:
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# 0xda = 1 1 0 1 1 0 1 0 <-- BOOTRST (0 = jump to bootloader at start)
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# ^ ^ ^ ^ ^ \+/
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# | | | | | +------- BOOTSZ 0..1 (01 = 2KB starting at 0x7800)
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# | | | | + --------- EESAVE (don't preserve EEPROM over chip erase)
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# | | | +-------------- WDTON (1 = watchdog disabled at start)
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# | | +---------------- SPIEN (0 = allow serial programming)
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# | +------------------ DWEN (1 = debug wire disable)
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# +-------------------- RSTDISBL (1 = reset pin is enabled)
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# Fuse low byte:
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# 0xf7 = 1 1 1 1 0 1 1 1
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# ^ ^ \ / \--+--/
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# | | | +------- CKSEL 3..0 (0111 = external full-swing crystal)
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# | | +--------------- SUT 1..0 (11 = startup time 16K CK/14K + 65ms)
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# | +------------------ CKOUT (1 = clock output disabled)
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# +-------------------- CKDIV8 (1 = do not divide clock by 8)
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###############################################################################
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# Tools:
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AVRDUDE = avrdude $(PROGRAMMER) -p $(DEVICE)
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CC = avr-gcc
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# Options:
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DEFINES = #-DDEBUG_LEVEL=2
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# Remove the -fno-* options when you use gcc 3, it does not understand them
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CFLAGS = -Wall -Os -fno-move-loop-invariants -fno-tree-scev-cprop -fno-inline-small-functions -I. -mmcu=$(DEVICE) -DF_CPU=$(F_CPU) $(DEFINES)
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LDFLAGS = -Wl,--relax,--gc-sections -Wl,--section-start=.text=$(BOOTLOADER_ADDRESS)
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OBJECTS = usbdrv/usbdrvasm.o usbdrv/oddebug.o main.o
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# symbolic targets:
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all: main.hex
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.c.o:
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$(CC) $(CFLAGS) -c $< -o $@
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.S.o:
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$(CC) $(CFLAGS) -x assembler-with-cpp -c $< -o $@
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# "-x assembler-with-cpp" should not be necessary since this is the default
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# file type for the .S (with capital S) extension. However, upper case
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# characters are not always preserved on Windows. To ensure WinAVR
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# compatibility define the file type manually.
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.c.s:
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$(CC) $(CFLAGS) -S $< -o $@
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flash: all
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$(AVRDUDE) -U flash:w:main.hex:i
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readflash:
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$(AVRDUDE) -U flash:r:read.hex:i
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fuse:
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$(AVRDUDE) $(FUSEOPT)
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lock:
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$(AVRDUDE) $(LOCKOPT)
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read_fuses:
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$(UISP) --rd_fuses
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clean:
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rm -f main.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: $(OBJECTS)
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$(CC) $(CFLAGS) -o main.bin $(OBJECTS) $(LDFLAGS)
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main.hex: main.bin
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rm -f main.hex main.eep.hex
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avr-objcopy -j .text -j .data -O ihex main.bin main.hex
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avr-size main.hex
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disasm: main.bin
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avr-objdump -d main.bin
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cpp:
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$(CC) $(CFLAGS) -E main.c
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# Special rules for generating hex files for various devices and clock speeds
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ALLHEXFILES = hexfiles/mega8_12mhz.hex hexfiles/mega8_15mhz.hex hexfiles/mega8_16mhz.hex \
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hexfiles/mega88_12mhz.hex hexfiles/mega88_15mhz.hex hexfiles/mega88_16mhz.hex hexfiles/mega88_20mhz.hex\
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hexfiles/mega168_12mhz.hex hexfiles/mega168_15mhz.hex hexfiles/mega168_16mhz.hex hexfiles/mega168_20mhz.hex\
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hexfiles/mega328p_12mhz.hex hexfiles/mega328p_15mhz.hex hexfiles/mega328p_16mhz.hex hexfiles/mega328p_20mhz.hex
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allhexfiles: $(ALLHEXFILES)
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$(MAKE) clean
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avr-size hexfiles/*.hex
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$(ALLHEXFILES):
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@[ -d hexfiles ] || mkdir hexfiles
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@device=`echo $@ | sed -e 's|.*/mega||g' -e 's|_.*||g'`; \
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clock=`echo $@ | sed -e 's|.*_||g' -e 's|mhz.*||g'`; \
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addr=`echo $$device | sed -e 's/\([0-9]\)8/\1/g' | awk '{printf("%x", ($$1 - 2) * 1024)}'`; \
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echo "### Make with F_CPU=$${clock}000000 DEVICE=atmega$$device BOOTLOADER_ADDRESS=$$addr"; \
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$(MAKE) clean; \
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$(MAKE) main.hex F_CPU=$${clock}000000 DEVICE=atmega$$device BOOTLOADER_ADDRESS=$$addr DEFINES=-DUSE_AUTOCONFIG=1
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mv main.hex $@
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