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Makefile_mmcbb
### Project name (also used for output file name) PROJECT = avr_mmcbb ### Source files and search directory CSRC = main.c uart.c ff.c mmc_bb.c rtc_ds1338.c sound.c ffunicode_avr.c ASRC = xitoa.S VPATH = ### Target device DEVICE = atmega32u4 ### Optimization level (0, 1, 2, 3, 4 or s) OPTIMIZE = s ### C Standard level (c89, gnu89, c99 or gnu99) CSTD = gnu99 ### Include dirs, library dirs and definitions LIBS = LIBDIRS = INCDIRS = DEFS = F_CPU=20000000 ADEFS = ### Warning contorls WARNINGS = all extra error ### Output directory OBJDIR = obj_mmcbb ### Output file format (hex, bin or both) and debugger type OUTPUT = hex HEXFMT = ihex DEBUG = dwarf-2 ### Programs to build porject CC = avr-gcc OBJCOPY = avr-objcopy OBJDUMP = avr-objdump SIZE = avr-size NM = avr-nm # Define all object files COBJ = $(CSRC:.c=.o) AOBJ = $(ASRC:.S=.o) COBJ := $(addprefix $(OBJDIR)/,$(COBJ)) AOBJ := $(addprefix $(OBJDIR)/,$(AOBJ)) PROJECT := $(OBJDIR)/$(PROJECT) # Flags for C files CFLAGS += -std=$(CSTD) CFLAGS += -g$(DEBUG) CFLAGS += -mmcu=$(DEVICE) CFLAGS += -O$(OPTIMIZE) -mcall-prologues CFLAGS += $(addprefix -W,$(WARNINGS)) CFLAGS += $(addprefix -I,$(INCDIRS)) CFLAGS += $(addprefix -D,$(DEFS)) CFLAGS += -Wp,-MM,-MP,-MT,$(OBJDIR)/$(*F).o,-MF,$(OBJDIR)/$(*F).d CFLAGS += -fno-diagnostics-color # Assembler flags ASFLAGS += $(addprefix -D,$(ADEFS)) -Wa,-gstabs,-g$(DEBUG) ALL_ASFLAGS = -mmcu=$(DEVICE) -I. -x assembler-with-cpp $(ASFLAGS) # Linker flags LDFLAGS += -Wl,-Map,$(PROJECT).map # Default target. all: build size ifeq ($(OUTPUT),hex) build: elf hex lst sym hex: $(PROJECT).hex else ifeq ($(OUTPUT),bin) build: elf bin lst sym bin: $(PROJECT).bin else ifeq ($(OUTPUT),both) build: elf hex bin lst sym hex: $(PROJECT).hex bin: $(PROJECT).bin else $(error "Invalid format: $(OUTPUT)") endif endif endif elf: $(PROJECT).elf lst: $(PROJECT).lst sym: $(PROJECT).sym # Display compiler version information. version : @$(CC) --version # Create final output file from ELF output file. %.hex: %.elf @echo $(OBJCOPY) -j .text -j .data -j .eeprom -j .fuse -O $(HEXFMT) $< $@ %.bin: %.elf @echo $(OBJCOPY) -j .text -j .data -O binary $< $@ # Create extended listing file from ELF output file. %.lst: %.elf @echo $(OBJDUMP) -h -S -C $< > $@ # Create a symbol table from ELF output file. %.sym: %.elf @echo $(NM) -n $< > $@ # Display size of file. size: @echo $(SIZE) -G $(PROJECT).elf # Link: create ELF output file from object files. %.elf: $(AOBJ) $(COBJ) @echo @echo Linking... $(CC) $(CFLAGS) $(LDFLAGS) $(AOBJ) $(COBJ) -o $@ # Compile: create object files from C source files. ARM or Thumb(-2) $(COBJ) : $(OBJDIR)/%.o : %.c @echo @echo $< : $(CC) -c $(CFLAGS) $< -o $@ # Assemble: create object files from assembler source files. ARM or Thumb(-2) $(AOBJ) : $(OBJDIR)/%.o : %.S @echo @echo $< : $(CC) -c $(ALL_ASFLAGS) $< -o $@ # Target: clean project. clean: @echo rm -f -r $(OBJDIR) | exit 0 # Include the dependency files. -include $(shell mkdir $(OBJDIR) 2>/dev/null) $(wildcard $(OBJDIR)/*.d)
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