d9bb189e25
mpaland printf implementation was abandoned in ~2019 and the fork by eyalroz is now regarded to be the goto replacement of it. So this commit incoporates the changes needed to use this fork in QMK. Note that pointer ptrdiff_t is always supported since commit 51c90f93a97fdaef895783ecbe24569be0db7cb8
201 lines
7.2 KiB
Makefile
201 lines
7.2 KiB
Makefile
# Hey Emacs, this is a -*- makefile -*-
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##############################################################################
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# Compiler settings
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#
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CC = $(CC_PREFIX) avr-gcc
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OBJCOPY = avr-objcopy
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OBJDUMP = avr-objdump
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SIZE = avr-size
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AR = avr-ar
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NM = avr-nm
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HEX = $(OBJCOPY) -O $(FORMAT) -R .eeprom -R .fuse -R .lock -R .signature
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EEP = $(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" --change-section-lma .eeprom=0 --no-change-warnings -O $(FORMAT)
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BIN =
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# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105523
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ifneq ($(findstring 12.,$(shell avr-gcc --version 2>/dev/null)),)
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COMPILEFLAGS += --param=min-pagesize=0
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endif
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COMPILEFLAGS += -funsigned-char
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COMPILEFLAGS += -funsigned-bitfields
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COMPILEFLAGS += -ffunction-sections
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COMPILEFLAGS += -fdata-sections
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COMPILEFLAGS += -fpack-struct
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COMPILEFLAGS += -fshort-enums
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COMPILEFLAGS += -mcall-prologues
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COMPILEFLAGS += -fno-builtin-printf
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# Linker relaxation is only possible if
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# link time optimizations are not enabled.
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ifeq ($(strip $(LTO_ENABLE)), no)
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COMPILEFLAGS += -mrelax
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endif
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ASFLAGS += $(AVR_ASFLAGS)
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CFLAGS += $(COMPILEFLAGS) $(AVR_CFLAGS)
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CFLAGS += -fno-inline-small-functions
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CFLAGS += -fno-strict-aliasing
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CXXFLAGS += $(COMPILEFLAGS)
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CXXFLAGS += -fno-exceptions $(CXXSTANDARD)
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LDFLAGS += -Wl,--gc-sections
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# Use AVR's libc minimal printf implementation which has less features
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# and thus can shave ~400 bytes. Usually we use the xprintf
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# implementation but keyboards that use s(n)printf automatically
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# pull in the AVR libc implementation, which is ~900 bytes heavy.
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AVR_USE_MINIMAL_PRINTF ?= no
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ifeq ($(strip $(AVR_USE_MINIMAL_PRINTF)), yes)
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LDFLAGS += -Wl,--whole-archive -lprintf_min -Wl,--no-whole-archive
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endif
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OPT_DEFS += -DF_CPU=$(F_CPU)UL
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MCUFLAGS = -mmcu=$(MCU)
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# List any extra directories to look for libraries here.
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# Each directory must be seperated by a space.
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# Use forward slashes for directory separators.
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# For a directory that has spaces, enclose it in quotes.
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EXTRALIBDIRS =
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#---------------- External Memory Options ----------------
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# 64 KB of external RAM, starting after internal RAM (ATmega128!),
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# used for variables (.data/.bss) and heap (malloc()).
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#EXTMEMOPTS = -Wl,-Tdata=0x801100,--defsym=__heap_end=0x80ffff
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# 64 KB of external RAM, starting after internal RAM (ATmega128!),
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# only used for heap (malloc()).
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#EXTMEMOPTS = -Wl,--section-start,.data=0x801100,--defsym=__heap_end=0x80ffff
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EXTMEMOPTS =
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#---------------- Debugging Options ----------------
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# Debugging format.
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# Native formats for AVR-GCC's -g are dwarf-2 [default] or stabs.
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# AVR Studio 4.10 requires dwarf-2.
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# AVR [Extended] COFF format requires stabs, plus an avr-objcopy run.
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DEBUG = dwarf-2
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# For simulavr only - target MCU frequency.
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DEBUG_MFREQ = $(F_CPU)
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# Set the DEBUG_UI to either gdb or insight.
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# DEBUG_UI = gdb
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DEBUG_UI = insight
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# Set the debugging back-end to either avarice, simulavr.
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DEBUG_BACKEND = avarice
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#DEBUG_BACKEND = simulavr
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# GDB Init Filename.
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GDBINIT_FILE = __avr_gdbinit
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# When using avarice settings for the JTAG
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JTAG_DEV = /dev/com1
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# Debugging port used to communicate between GDB / avarice / simulavr.
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DEBUG_PORT = 4242
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# Debugging host used to communicate between GDB / avarice / simulavr, normally
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# just set to localhost unless doing some sort of crazy debugging when
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# avarice is running on a different computer.
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DEBUG_HOST = localhost
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#============================================================================
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# Convert hex to bin.
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bin: $(BUILD_DIR)/$(TARGET).hex
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ifeq ($(BOOTLOADER),lufa-ms)
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$(eval BIN_PADDING=$(shell n=`expr 32768 - $(BOOTLOADER_SIZE)` && echo $$(($$n)) || echo 0))
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$(OBJCOPY) -Iihex -Obinary $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).bin --pad-to $(BIN_PADDING)
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else
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$(OBJCOPY) -Iihex -Obinary $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).bin
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endif
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$(COPY) $(BUILD_DIR)/$(TARGET).bin $(TARGET).bin;
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# copy bin to FLASH.bin
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flashbin: bin
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$(COPY) $(BUILD_DIR)/$(TARGET).bin FLASH.bin;
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# Generate avr-gdb config/init file which does the following:
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# define the reset signal, load the target file, connect to target, and set
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# a breakpoint at main().
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gdb-config:
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@$(REMOVE) $(GDBINIT_FILE)
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@echo define reset >> $(GDBINIT_FILE)
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@echo SIGNAL SIGHUP >> $(GDBINIT_FILE)
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@echo end >> $(GDBINIT_FILE)
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@echo file $(BUILD_DIR)/$(TARGET).elf >> $(GDBINIT_FILE)
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@echo target remote $(DEBUG_HOST):$(DEBUG_PORT) >> $(GDBINIT_FILE)
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ifeq ($(DEBUG_BACKEND),simulavr)
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@echo load >> $(GDBINIT_FILE)
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endif
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@echo break main >> $(GDBINIT_FILE)
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debug: gdb-config $(BUILD_DIR)/$(TARGET).elf
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ifeq ($(DEBUG_BACKEND), avarice)
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@echo Starting AVaRICE - Press enter when "waiting to connect" message displays.
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@$(WINSHELL) /c start avarice --jtag $(JTAG_DEV) --erase --program --file \
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$(BUILD_DIR)/$(TARGET).elf $(DEBUG_HOST):$(DEBUG_PORT)
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@$(WINSHELL) /c pause
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else
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@$(WINSHELL) /c start simulavr --gdbserver --device $(MCU) --clock-freq \
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$(DEBUG_MFREQ) --port $(DEBUG_PORT)
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endif
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@$(WINSHELL) /c start avr-$(DEBUG_UI) --command=$(GDBINIT_FILE)
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# Convert ELF to COFF for use in debugging / simulating in AVR Studio or VMLAB.
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COFFCONVERT = $(OBJCOPY) --debugging
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COFFCONVERT += --change-section-address .data-0x800000
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COFFCONVERT += --change-section-address .bss-0x800000
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COFFCONVERT += --change-section-address .noinit-0x800000
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COFFCONVERT += --change-section-address .eeprom-0x810000
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coff: $(BUILD_DIR)/$(TARGET).elf
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@$(SECHO) $(MSG_COFF) $(BUILD_DIR)/$(TARGET).cof
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$(COFFCONVERT) -O coff-avr $< $(BUILD_DIR)/$(TARGET).cof
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extcoff: $(BUILD_DIR)/$(TARGET).elf
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@$(SECHO) $(MSG_EXTENDED_COFF) $(BUILD_DIR)/$(TARGET).cof
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$(COFFCONVERT) -O coff-ext-avr $< $(BUILD_DIR)/$(TARGET).cof
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ifeq ($(strip $(BOOTLOADER)), qmk-dfu)
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QMK_BOOTLOADER_TYPE = DFU
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else ifeq ($(strip $(BOOTLOADER)), qmk-hid)
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QMK_BOOTLOADER_TYPE = HID
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endif
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bootloader:
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ifeq ($(strip $(QMK_BOOTLOADER_TYPE)),)
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$(call CATASTROPHIC_ERROR,Invalid BOOTLOADER,Please set BOOTLOADER to "qmk-dfu" or "qmk-hid" first!)
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else
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make -C lib/lufa/Bootloaders/$(QMK_BOOTLOADER_TYPE)/ clean
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$(QMK_BIN) generate-dfu-header --quiet --keyboard $(KEYBOARD) --output lib/lufa/Bootloaders/$(QMK_BOOTLOADER_TYPE)/Keyboard.h
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$(eval MAX_SIZE=$(shell n=`$(CC) -E -mmcu=$(MCU) -D__ASSEMBLER__ $(CFLAGS) $(OPT_DEFS) platforms/avr/bootloader_size.c 2> /dev/null | sed -ne 's/\r//;/^#/n;/^AVR_SIZE:/,$${s/^AVR_SIZE: //;p;}'` && echo $$(($$n)) || echo 0))
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$(eval PROGRAM_SIZE_KB=$(shell n=`expr $(MAX_SIZE) / 1024` && echo $$(($$n)) || echo 0))
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$(eval BOOT_SECTION_SIZE_KB=$(shell n=`expr $(BOOTLOADER_SIZE) / 1024` && echo $$(($$n)) || echo 0))
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$(eval FLASH_SIZE_KB=$(shell n=`expr $(PROGRAM_SIZE_KB) + $(BOOT_SECTION_SIZE_KB)` && echo $$(($$n)) || echo 0))
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make -C lib/lufa/Bootloaders/$(QMK_BOOTLOADER_TYPE)/ MCU=$(MCU) ARCH=$(ARCH) F_CPU=$(F_CPU) FLASH_SIZE_KB=$(FLASH_SIZE_KB) BOOT_SECTION_SIZE_KB=$(BOOT_SECTION_SIZE_KB)
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printf "Bootloader$(QMK_BOOTLOADER_TYPE).hex copied to $(TARGET)_bootloader.hex\n"
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cp lib/lufa/Bootloaders/$(QMK_BOOTLOADER_TYPE)/Bootloader$(QMK_BOOTLOADER_TYPE).hex $(TARGET)_bootloader.hex
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endif
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production: $(BUILD_DIR)/$(TARGET).hex bootloader cpfirmware
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@cat $(BUILD_DIR)/$(TARGET).hex | awk '/^:00000001FF/ == 0' > $(TARGET)_production.hex
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@cat $(TARGET)_bootloader.hex >> $(TARGET)_production.hex
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echo "File sizes:"
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$(SIZE) $(TARGET).hex $(TARGET)_bootloader.hex $(TARGET)_production.hex
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