| 1 | # Name: Makefile
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| 2 | # Project: USBaspLoader
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| 3 | # Author: Christian Starkjohann
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| 4 | # Creation Date: 2007-12-10
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| 5 | # Tabsize: 4
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| 6 | # Copyright: (c) 2007 by OBJECTIVE DEVELOPMENT Software GmbH
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| 7 | # License: GNU GPL v2 (see License.txt)
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| 8 | # This Revision: $Id: Makefile 728 2009-03-20 09:03:16Z cs $
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| 9 |
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| 10 | ###############################################################################
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| 11 | # Configure the following variables according to your AVR.
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| 12 | # Program the device with
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| 13 | # make fuse # to set the clock generator, boot section size etc.
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| 14 | # make flash # to load the boot loader into flash
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| 15 | # make lock # to protect the boot loader from overwriting
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| 16 |
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| 17 | F_CPU = 16000000
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| 18 | DEVICE = atmega8
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| 19 | BOOTLOADER_ADDRESS = 0x1800
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| 20 | FUSEOPT = $(FUSEOPT_8)
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| 21 | LOCKOPT = -U lock:w:0x2f:m
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| 22 |
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| 23 | PROGRAMMER = -c usbasp
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| 24 | # PROGRAMMER contains AVRDUDE options to address your programmer
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| 25 |
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| 26 | FUSEOPT_8 = -U hfuse:w:0xc0:m -U lfuse:w:0x9f:m
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| 27 | FUSEOPT_88 = -U hfuse:w:0xd6:m -U lfuse:w:0xdf:m -U efuse:w:0x00:m
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| 28 | FUSEOPT_168 = -U hfuse:w:0xd6:m -U lfuse:w:0xdf:m -U efuse:w:0x00:m
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| 29 | # You may have to change the order of these -U commands.
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| 30 |
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| 31 | #---------------------------------------------------------------------
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| 32 | # ATMega8
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| 33 | #---------------------------------------------------------------------
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| 34 | # Fuse high byte:
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| 35 | # 0xc0 = 1 1 0 0 0 0 0 0 <-- BOOTRST (boot reset vector at 0x1800)
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| 36 | # ^ ^ ^ ^ ^ ^ ^------ BOOTSZ0
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| 37 | # | | | | | +-------- BOOTSZ1
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| 38 | # | | | | + --------- EESAVE (preserve EEPROM over chip erase)
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| 39 | # | | | +-------------- CKOPT (full output swing)
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| 40 | # | | +---------------- SPIEN (allow serial programming)
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| 41 | # | +------------------ WDTON (WDT not always on)
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| 42 | # +-------------------- RSTDISBL (reset pin is enabled)
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| 43 | # Fuse low byte:
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| 44 | # 0x9f = 1 0 0 1 1 1 1 1
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| 45 | # ^ ^ \ / \--+--/
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| 46 | # | | | +------- CKSEL 3..0 (external >8M crystal)
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| 47 | # | | +--------------- SUT 1..0 (crystal osc, BOD enabled)
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| 48 | # | +------------------ BODEN (BrownOut Detector enabled)
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| 49 | # +-------------------- BODLEVEL (2.7V)
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| 50 | #---------------------------------------------------------------------
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| 51 | # ATMega88, ATMega168
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| 52 | #---------------------------------------------------------------------
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| 53 | # Fuse extended byte:
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| 54 | # 0x00 = 0 0 0 0 0 0 0 0 <-- BOOTRST (boot reset vector at 0x1800)
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| 55 | # \+/
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| 56 | # +------- BOOTSZ (00 = 2k bytes)
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| 57 | # Fuse high byte:
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| 58 | # 0xd6 = 1 1 0 1 0 1 1 0
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| 59 | # ^ ^ ^ ^ ^ \-+-/
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| 60 | # | | | | | +------ BODLEVEL 0..2 (110 = 1.8 V)
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| 61 | # | | | | + --------- EESAVE (preserve EEPROM over chip erase)
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| 62 | # | | | +-------------- WDTON (if 0: watchdog always on)
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| 63 | # | | +---------------- SPIEN (allow serial programming)
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| 64 | # | +------------------ DWEN (debug wire enable)
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| 65 | # +-------------------- RSTDISBL (reset pin is enabled)
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| 66 | # Fuse low byte:
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| 67 | # 0xdf = 1 1 0 1 1 1 1 1
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| 68 | # ^ ^ \ / \--+--/
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| 69 | # | | | +------- CKSEL 3..0 (external >8M crystal)
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| 70 | # | | +--------------- SUT 1..0 (crystal osc, BOD enabled)
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| 71 | # | +------------------ CKOUT (if 0: Clock output enabled)
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| 72 | # +-------------------- CKDIV8 (if 0: divide by 8)
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| 73 |
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| 74 |
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| 75 | ###############################################################################
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| 76 |
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| 77 | # Tools:
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| 78 | AVRDUDE = avrdude $(PROGRAMMER) -p $(DEVICE)
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| 79 | CC = avr-gcc
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| 80 |
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| 81 | # Options:
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| 82 | DEFINES = #-DDEBUG_LEVEL=1
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| 83 | CFLAGS = -Wall -Os -I. -mmcu=$(DEVICE) -DF_CPU=$(F_CPU) $(DEFINES)
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| 84 | LDFLAGS = -Wl,--section-start=.text=$(BOOTLOADER_ADDRESS)
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| 85 |
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| 86 | OBJECTS = usbdrv/usbdrvasm.o usbdrv/oddebug.o main.o
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| 87 |
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| 88 | # symbolic targets:
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| 89 | all: main.hex
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| 90 |
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| 91 | .c.o:
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| 92 | $(CC) $(CFLAGS) -c $< -o $@
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| 93 |
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| 94 | .S.o:
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| 95 | $(CC) $(CFLAGS) -x assembler-with-cpp -c $< -o $@
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| 96 | # "-x assembler-with-cpp" should not be necessary since this is the default
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| 97 | # file type for the .S (with capital S) extension. However, upper case
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| 98 | # characters are not always preserved on Windows. To ensure WinAVR
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| 99 | # compatibility define the file type manually.
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| 100 |
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| 101 | .c.s:
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| 102 | $(CC) $(CFLAGS) -S $< -o $@
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| 103 |
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| 104 | flash: all
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| 105 | $(AVRDUDE) -U flash:w:main.hex:i
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| 106 |
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| 107 | readflash:
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| 108 | $(AVRDUDE) -U flash:r:read.hex:i
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| 109 |
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| 110 | fuse:
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| 111 | $(AVRDUDE) $(FUSEOPT)
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| 112 |
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| 113 | lock:
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| 114 | $(AVRDUDE) $(LOCKOPT)
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| 115 |
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| 116 | read_fuses:
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| 117 | $(UISP) --rd_fuses
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| 118 |
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| 119 | clean:
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| 120 | rm -f main.hex main.bin *.o usbdrv/*.o main.s usbdrv/oddebug.s usbdrv/usbdrv.s
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| 121 |
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| 122 | # file targets:
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| 123 | main.bin: $(OBJECTS)
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| 124 | $(CC) $(CFLAGS) -o main.bin $(OBJECTS) $(LDFLAGS)
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| 125 |
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| 126 | main.hex: main.bin
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| 127 | rm -f main.hex main.eep.hex
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| 128 | avr-objcopy -j .text -j .data -O ihex main.bin main.hex
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| 129 | avr-size main.hex
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| 130 |
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| 131 | disasm: main.bin
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| 132 | avr-objdump -d main.bin
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| 133 |
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| 134 | cpp:
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| 135 | $(CC) $(CFLAGS) -E main.c
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| 136 |
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| 137 | # Special rules for generating hex files for various devices and clock speeds
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| 138 | ALLHEXFILES = hexfiles/mega8_12mhz.hex hexfiles/mega8_15mhz.hex hexfiles/mega8_16mhz.hex \
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| 139 | hexfiles/mega88_12mhz.hex hexfiles/mega88_15mhz.hex hexfiles/mega88_16mhz.hex hexfiles/mega88_20mhz.hex\
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| 140 | hexfiles/mega168_12mhz.hex hexfiles/mega168_15mhz.hex hexfiles/mega168_16mhz.hex hexfiles/mega168_20mhz.hex
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| 141 |
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| 142 | allhexfiles: $(ALLHEXFILES)
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| 143 | $(MAKE) clean
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| 144 | avr-size hexfiles/*.hex
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| 145 |
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| 146 | $(ALLHEXFILES):
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| 147 | @[ -d hexfiles ] || mkdir hexfiles
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| 148 | @device=`echo $@ | sed -e 's|.*/mega||g' -e 's|_.*||g'`; \
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| 149 | clock=`echo $@ | sed -e 's|.*_||g' -e 's|mhz.*||g'`; \
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| 150 | addr=`echo $$device | sed -e 's/\([0-9]\)8/\1/g' | awk '{printf("%x", ($$1 - 2) * 1024)}'`; \
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| 151 | echo "### Make with F_CPU=$${clock}000000 DEVICE=atmega$$device BOOTLOADER_ADDRESS=$$addr"; \
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| 152 | $(MAKE) clean; \
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| 153 | $(MAKE) main.hex F_CPU=$${clock}000000 DEVICE=atmega$$device BOOTLOADER_ADDRESS=$$addr DEFINES=-DUSE_AUTOCONFIG=1
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| 154 | mv main.hex $@
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