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47 lines
1.9 KiB
47 lines
1.9 KiB
#
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# LUFA Library
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# Copyright (C) Dean Camera, 2012.
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#
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# dean [at] fourwalledcubicle [dot] com
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# www.lufa-lib.org
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#
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# --------------------------------------
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# LUFA Project Makefile.
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# --------------------------------------
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# Starting byte address of the bootloader, as a byte address - computed via the formula
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# BOOT_START = ((FLASH_SIZE_KB - BOOT_SECTION_SIZE_KB) * 1024)
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#
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# Note that the bootloader size and start address given in AVRStudio is in words and not
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# bytes, and so will need to be doubled to obtain the byte address needed by AVR-GCC.
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FLASH_SIZE_KB := 128
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BOOT_SECTION_SIZE_KB := 8
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# Formulas used to calculate the starting address of the Bootloader section, and the User Application
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# API jump table (for more information on the latter, see the bootloader documentation). These formulas
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# should not need to be altered - modify the FLASH_SIZE_KB and BOOT_SECTION_KB values above instead.
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BOOT_START := 0x$(shell echo "obase=16; ($(FLASH_SIZE_KB) - $(BOOT_SECTION_SIZE_KB)) * 1024" | bc)
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BOOT_API_TABLESTART := 0x$(shell echo "obase=16; (($(FLASH_SIZE_KB) * 1024) - 96)" | bc)
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MCU = at90usb1287
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ARCH = AVR8
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BOARD = USBKEY
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F_CPU = 8000000
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F_USB = $(F_CPU)
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OPTIMIZATION = s
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TARGET = BootloaderDFU
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SRC = $(TARGET).c Descriptors.c BootloaderAPI.c BootloaderAPITable.S $(LUFA_SRC_USB)
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LUFA_PATH = ../../LUFA/
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CC_FLAGS = -DUSE_LUFA_CONFIG_HEADER -IConfig/ -DBOOT_START_ADDR=$(BOOT_START)
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LD_FLAGS = -Wl,--section-start=.text=$(BOOT_START) -Wl,--section-start=.apitable=$(BOOT_API_TABLESTART) -Wl,--undefined=BootloaderAPI_JumpTable
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# Default target
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all:
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# Include LUFA build script makefiles
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include $(LUFA_PATH)/Build/lufa.core.in
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include $(LUFA_PATH)/Build/lufa.sources.in
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include $(LUFA_PATH)/Build/lufa.build.in
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include $(LUFA_PATH)/Build/lufa.doxygen.in
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include $(LUFA_PATH)/Build/lufa.avrdude.in
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