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PRG            = bios
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PRG            = bios
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OBJ            = vectors.o bios.o flash.o mcp2515/mcp2515.o
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OBJ            = vectors.o bios.o flash.o mcp2515/mcp2515.o
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MCU_TARGET     = atmega8
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MCU_TARGET     = atmega88
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OPTIMIZE       = -Os -mcall-prologues
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OPTIMIZE       = -Os -mcall-prologues
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BIOS_START     = 0x1400
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BIOS_START     = 0xd00
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BOOT_START     = 0x1e00
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BOOT_START     = 0x1e00
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DEFS           =
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DEFS           =
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LIBS           =
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LIBS           =
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TARGET_CLK_SRC = 0x24
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TARGET_CLK_SRC = 0xe2
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#TARGET_CLK_SRC for mega88
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#TARGET_CLK_SRC for mega88
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#0xe7		#CKDIV8=1, external crystal
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#0xe7		#CKDIV8=1, external crystal
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#0xe0		#CKDIV8=1, external clock
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#0xe0		#CKDIV8=1, external clock
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#0xe2		#CKDIV8=1, internal RC
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#0xe2		#CKDIV8=1, internal RC
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#TARGET_CLK_SRC for mega8
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#TARGET_CLK_SRC for mega8
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#0x24		#BODLEVEL = 4.0V, BODEN=enabled, internal 8MHz
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#0x24		#BODLEVEL = 4.0V, BODEN=enabled, internal 8MHz
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#0x20		#BODLEVEL = 4.0V, BODEN=enabled, external clock
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#0x20		#BODLEVEL = 4.0V, BODEN=enabled, external clock
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- 
 
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#uncomment this line for programming fuses
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#PRGFUSES 	= ok
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#
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#
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# You should not have to change anything below here.
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# You should not have to change anything below here.
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#
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#
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CC             = avr-gcc
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CC             = avr-gcc
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# Override is only needed by avr-lib build system.
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# Override is only needed by avr-lib build system.
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override CFLAGS        = -g -Wall $(OPTIMIZE) -mmcu=$(MCU_TARGET) $(DEFS)
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override CFLAGS        = -g -Wall $(OPTIMIZE) -mmcu=$(MCU_TARGET) $(DEFS)
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override LDFLAGS       = -Wl,-Map,$(PRG).map,--defsym,__bios_start=$(BIOS_START),--defsym,__boot_start=$(BOOT_START),-T$(MCU_TARGET)_bios.ld,--cref
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override LDFLAGS       = -Wl,-Map,$(PRG).map,--defsym,__bios_start=$(BIOS_START),--defsym,__boot_start=$(BOOT_START),-T$(MCU_TARGET)_bios.ld,--cref
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override ASFLAGS       = -x assembler-with-cpp -Wa,-gstabs -mmcu=$(MCU_TARGET) $(DEFS)
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override ASFLAGS       = -x assembler-with-cpp -Wa,-gstabs -mmcu=$(MCU_TARGET) $(DEFS)
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OBJDUMP        = avr-objdump
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OBJDUMP        = avr-objdump
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SIZE           = avr-size
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SIZE           = avr-size
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SZFLAGS        =
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SZFLAGS        =
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UPLOAD         = avrdude
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UPLOAD         = avrdude
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#avrispv2 avr910
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#avrispv2 avr910
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ULFLAGS        = -p $(MCU_TARGET) -P /dev/ttyS0 -c avr910 -b 115200 -U flash:w:$(PRG).hex
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ULFLAGS        = -p $(MCU_TARGET) -P /dev/ttyUSB0 -c avrispv2 -b 115200 -U flash:w:$(PRG).hex
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ifeq ($(MCU_TARGET),atmega88)
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ifeq ($(MCU_TARGET),atmega88)
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#BOOTRST=0, BOOTSZ0=1, BOOTSZ1=1
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#BOOTRST=0, BOOTSZ0=0, BOOTSZ1=1
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EXTFUSE  = 0x06
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EXTFUSE  = 0x04
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#BODLEVEL = 4.3V
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#BODLEVEL = 4.3V
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HIGHFUSE = 0xdc
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HIGHFUSE = 0xdc
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LOWFUSE  = $(TARGET_CLK_SRC)
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LOWFUSE  = $(TARGET_CLK_SRC)
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endif
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endif
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ifeq ($(MCU_TARGET),atmega8)
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ifeq ($(MCU_TARGET),atmega8)
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#BOOTRST=0, BOOTSZ0=1, BOOTSZ1=1
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#BOOTRST=0, BOOTSZ0=0, BOOTSZ1=1
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HIGHFUSE = 0xd6
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HIGHFUSE = 0xd4
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LOWFUSE  = $(TARGET_CLK_SRC)
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LOWFUSE  = $(TARGET_CLK_SRC)
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endif
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endif
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AVRDUDE_WRITE_FUSEBITS = -u
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AVRDUDE_WRITE_FUSEBITS = -u
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ifdef EXTFUSE
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ifdef EXTFUSE
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AVRDUDE_WRITE_FUSEBITS += -U efuse:w:$(EXTFUSE):m
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AVRDUDE_WRITE_FUSEBITS += -U efuse:w:$(EXTFUSE):m
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endif
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endif
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ifdef HIGHFUSE
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ifdef HIGHFUSE
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AVRDUDE_WRITE_FUSEBITS += -U hfuse:w:$(HIGHFUSE):m
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AVRDUDE_WRITE_FUSEBITS += -U hfuse:w:$(HIGHFUSE):m
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endif
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endif
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ifdef LOWFUSE
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ifdef LOWFUSE
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AVRDUDE_WRITE_FUSEBITS += -U lfuse:w:$(LOWFUSE):m
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AVRDUDE_WRITE_FUSEBITS += -U lfuse:w:$(LOWFUSE):m
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endif
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endif
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#comment this line for not programming fusebits
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#comment this line for not programming fusebits
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ifdef PRGFUSES
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#ULFLAGS      += $(AVRDUDE_WRITE_FUSEBITS)
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ULFLAGS      += $(AVRDUDE_WRITE_FUSEBITS)
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endif
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default: $(PRG).elf lst
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default: $(PRG).elf lst
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	@$(SIZE) $(SZFLAGS) $(PRG).elf
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	@$(SIZE) $(SZFLAGS) $(PRG).elf
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all: $(PRG).elf lst text eeprom
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all: $(PRG).elf lst text eeprom