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gauthiier
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# t4make00 Makefile
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# adapted from apmorton's teensy-template https://github.com/apmorton/teensy-template
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# and based on Makefile examples as part of teensy's cores https://github.com/PaulStoffregen/cores
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# gauthiier - d@gauthiier.info
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# name of your project (used to name the compiled .hex file)
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TARGET = $(notdir $(CURDIR))
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# directory to build in
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BUILDDIR = $(abspath $(CURDIR)/build)
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# (local) libraries
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LIBRARYPATH = $(abspath $(CURDIR)/libs)
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#*****************************************************
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# Location of utilites, toolchains, etc...
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# note: $T4MAKE00PATH must be part of your PATH
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#*****************************************************
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# generale tools path
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TOOLSPATH = $(T4MAKE00PATH)/tools
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# general libs path
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LIBSPATH = $(T4MAKE00PATH)/libs
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# path location for the arm-none-eabi compiler
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COMPILERPATH = $(TOOLSPATH)/gcc-arm-none-eabi/bin
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# path location for teensy-tools
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ifeq ($(OS), Windows_NT)
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$(error NT not supported)
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else
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UNAME_M := $(shell uname -m)
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ifneq ($(UNAME_M),x86_64)
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$(error only support for x86_64... sorry)
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endif
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UNAME_S := $(shell uname -s)
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#note: (ver.00) only packs t4make00 with Darwin-x86_64...
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ifneq ($(UNAME_S),Darwin)
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$(error only support for Darwin-x86_64... sorry)
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endif
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TEENSY_TOOLSPATH = $(TOOLSPATH)/teensy-tools/$(UNAME_S)-$(UNAME_M)
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endif
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#*****************************************************
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# Teensy specificities: version, cores, etc.
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#*****************************************************
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# teensy version to use, 41, 40, 30, 31, or LC
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TEENSY = <teensy-version>
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# teensy core to use, teensy3, teensy4
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TEENSYCORE = <teensy-core>
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# teensyduino version to use
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TEENSYDUINO = <teensyduino-version>
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# path location for teensy core to use, teensy3, teensy4
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COREPATH = $(LIBSPATH)/$(TEENSYCORE)
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#*****************************************************
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# Compiler, linker options
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#*****************************************************
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# compiler options specific to teensy core
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ifeq ($(TEENSYCORE), teensy3)
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# Set to 24000000, 48000000, or 96000000 to set CPU core speed
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TEENSY_CORE_SPEED = 48000000
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# configurable options
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OPTIONS = -DF_CPU=$(TEENSY_CORE_SPEED) -DUSB_SERIAL -DLAYOUT_US_ENGLISH -DUSING_MAKEFILE
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# cpu options
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CPUOPTIONS = -mthumb
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# CPPFLAGS = compiler options for C and C++
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CPPFLAGS = -Wall -g -Os $(CPUOPTIONS) -ffunction-sections -fdata-sections -MMD $(OPTIONS) -I$(COREPATH) -I$(LIBRARYPATH) -I. -DTEENSYDUINO=$(TEENSYDUINO)
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# compiler options for C++ only
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CXXFLAGS = -std=gnu++0x -felide-constructors -fno-exceptions -fno-rtti
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# compiler options for C only
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CFLAGS =
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# linker options
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LDFLAGS = -Os -Wl,--gc-sections $(CPUOPTIONS)
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# additional libraries to link
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LIBS = -lm
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else ifeq ($(TEENSYCORE), teensy4)
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# Set to 600000000 to set CPU core speed (can we clock it higher?)
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TEENSY_CORE_SPEED = 600000000
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# configurable options
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OPTIONS = -DF_CPU=$(TEENSY_CORE_SPEED) -DUSB_SERIAL -DLAYOUT_US_ENGLISH -DUSING_MAKEFILE
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# cpu options with single & double precision FPU
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CPUOPTIONS = -mthumb -mfloat-abi=hard -mfpu=fpv5-d16
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# CPPFLAGS = compiler options for C and C++
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CPPFLAGS = -Wall -g -O2 $(CPUOPTIONS) -ffunction-sections -fdata-sections -MMD $(OPTIONS) -I$(COREPATH) -I$(LIBRARYPATH) -I. -DTEENSYDUINO=$(TEENSYDUINO)
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# compiler options for C++ only
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CXXFLAGS = -std=gnu++14 -felide-constructors -fno-exceptions -fno-rtti -fpermissive -Wno-error=narrowing
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# compiler options for C only
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CFLAGS =
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# linker options
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LDFLAGS = -Os -Wl,--gc-sections $(CPUOPTIONS)
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# additional libraries to link
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LIBS = -lm -larm_cortexM7lfsp_math -lstdc++
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else
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$(error Invalid setting for TEENSYCORE)
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endif
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# compiler options specific to teensy version
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ifeq ($(TEENSY), 40)
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CPPFLAGS += -D__IMXRT1062__ -mcpu=cortex-m7 -DARDUINO_TEENSY40
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LDSCRIPT = $(COREPATH)/imxrt1062.ld
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LDFLAGS += -mcpu=cortex-m7 -T$(LDSCRIPT)
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else ifeq ($(TEENSY), 41)
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CPPFLAGS += -D__IMXRT1062__ -mcpu=cortex-m7 -DARDUINO_TEENSY41
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LDSCRIPT = $(COREPATH)/imxrt1062_t41.ld
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LDFLAGS += -mcpu=cortex-m7 -T$(LDSCRIPT)
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else ifeq ($(TEENSY), 30)
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CPPFLAGS += -D__MK20DX128__ -mcpu=cortex-m4
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LDSCRIPT = $(COREPATH)/mk20dx128.ld
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LDFLAGS += -mcpu=cortex-m4 -T$(LDSCRIPT)
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else ifeq ($(TEENSY), 31)
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CPPFLAGS += -D__MK20DX256__ -mcpu=cortex-m4
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LDSCRIPT = $(COREPATH)/mk20dx256.ld
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LDFLAGS += -mcpu=cortex-m4 -T$(LDSCRIPT)
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else ifeq ($(TEENSY), LC)
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CPPFLAGS += -D__MKL26Z64__ -mcpu=cortex-m0plus
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LDSCRIPT = $(COREPATH)/mkl26z64.ld
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LDFLAGS += -mcpu=cortex-m0plus -T$(LDSCRIPT)
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LIBS += -larm_cortexM0l_math
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else
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$(error Invalid setting for TEENSY)
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endif
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# set arduino define if given
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ifdef ARDUINO
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CPPFLAGS += -DARDUINO=$(ARDUINO)
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else
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CPPFLAGS += -DUSING_MAKEFILE
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endif
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# names for the compiler programs
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CC = $(abspath $(COMPILERPATH))/arm-none-eabi-gcc
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CXX = $(abspath $(COMPILERPATH))/arm-none-eabi-g++
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OBJCOPY = $(abspath $(COMPILERPATH))/arm-none-eabi-objcopy
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SIZE = $(abspath $(COMPILERPATH))/arm-none-eabi-size
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# automatically create lists of the sources and objects
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# library sources
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LC_FILES := $(shell find $(LIBRARYPATH) \( -name examples -o -name extras -o -path name \) -prune -false -o -name "*.c")
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LCPP_FILES := $(shell find $(LIBRARYPATH) \( -name examples -o -name extras -o -path name \) -prune -false -o -name "*.cpp")
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# core sources
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CC_FILES := $(wildcard $(COREPATH)/*.c)
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CCPP_FILES := $(wildcard $(COREPATH)/*.cpp)
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# project sources
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C_FILES := $(wildcard *.c)
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CPP_FILES := $(wildcard *.cpp)
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INO_FILES := $(wildcard *.ino)
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# include paths for libraries
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L_INC := $(foreach lib,$(filter %/, $(wildcard $(LIBRARYPATH)/*/)), -I$(lib))
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SOURCES := $(C_FILES:.c=.o) $(CPP_FILES:.cpp=.o) $(INO_FILES:.ino=.o) $(CC_FILES:.c=.o) $(CCPP_FILES:.cpp=.o) $(LC_FILES:.c=.o) $(LCPP_FILES:.cpp=.o)
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OBJS := $(foreach src,$(SOURCES), $(BUILDDIR)/$(src))
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all: hex
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build: $(TARGET).elf
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hex: $(TARGET).hex
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post_compile: $(TARGET).hex
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@$(abspath $(TEENSY_TOOLSPATH))/teensy_post_compile -file="$(basename $<)" -path=$(CURDIR) -tools="$(abspath $(TEENSY_TOOLSPATH))"
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reboot:
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@-$(abspath $(TEENSY_TOOLSPATH))/teensy_reboot
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upload: post_compile reboot
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$(BUILDDIR)/%.o: %.c
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@echo "[CC]\t$<"
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@mkdir -p "$(dir $@)"
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@$(CC) $(CPPFLAGS) $(CFLAGS) $(L_INC) -o "$@" -c "$<"
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$(BUILDDIR)/%.o: %.cpp
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@echo "[CXX]\t$<"
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@mkdir -p "$(dir $@)"
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@$(CXX) $(CPPFLAGS) $(CXXFLAGS) $(L_INC) -o "$@" -c "$<"
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$(BUILDDIR)/%.o: %.ino
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@echo "[CXX]\t$<"
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@mkdir -p "$(dir $@)"
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@$(CXX) $(CPPFLAGS) $(CXXFLAGS) $(L_INC) -o "$@" -x c++ -include Arduino.h -c "$<"
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$(TARGET).elf: $(OBJS) $(LDSCRIPT)
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@echo "[LD]\t$@"
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@$(CC) $(LDFLAGS) -o "$@" $(OBJS) $(LIBS)
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%.hex: %.elf
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@echo "[HEX]\t$@"
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@$(SIZE) "$<"
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@$(OBJCOPY) -O ihex -R .eeprom "$<" "$@"
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# compiler generated dependency info
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-include $(OBJS:.o=.d)
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clean:
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@echo Cleaning...
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@rm -rf "$(BUILDDIR)"
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@rm -f "$(TARGET).elf" "$(TARGET).hex"
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