# CPU-Typ: MCU = atmega8 # CPU-Frequenz F_CPU = 8000000 # Ausgabeformat FORMAT = ihex # Zielname TARGET = timer_ton # C-Datein hier auflisten: SRC = $(TARGET).c # Assembler-Dateien hier auflisten: ASRC = # Optimierung OPT = s # Debugmodus DEBUG = #dwarf-2 # Zusaetzliche Verzeichnisse #EXTRAINCDIRS += verzeichnis/ # C-Standard # c89 - "ANSI" C # gnu89 - c89 plus GCC Erweiterungen # c99 - ISO C99 standard # gnu99 - c99 plus GCC Erweiterungen CSTANDARD = -std=gnu99 # Compilerdefinitionen CDEFS = -DF_CPU=$(F_CPU)UL # Compilerincludes CINCS = # Compiler flags. # -g*: Debug-Informationen # -O*: Optimierungslevel # -f...: Tuning # -Wall...: Warnlevel # -Wa,...: Assembler # -adhlns...: Erzeuge Assembler-listening CFLAGS = -g$(DEBUG) CFLAGS += $(CDEFS) $(CINCS) CFLAGS += -O$(OPT) CFLAGS += -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums CFLAGS += -Wall -Wstrict-prototypes #CFLAGS += -Wchar-subscripts -Wsign-compare ## Zusatz Flags CFLAGS += -fno-inline-small-functions #CFLAGS += -finline-small-functions CFLAGS += -fno-split-wide-types CFLAGS += -fno-tree-scev-cprop CFLAGS += -fno-move-loop-invariants CFLAGS += -ffunction-sections -fdata-sections -Wl,--gc-sections CFLAGS += -Wl,--relax CFLAGS += -Wa,-adhlns=$(<:.c=.lst) CFLAGS += $(patsubst %,-I%,$(EXTRAINCDIRS)) CFLAGS += $(CSTANDARD) # Assemblerflags ASFLAGS = -Wa,-adhlns=$(<:.S=.lst),-gstabs # Externe Speicheroptionen EXTMEMOPTS = # Linker flags # -Wl,...: Weiterreichen an den Linker # -Map: Erzeuge map-Datei # --cref: Querverweise im map-File erzeugen LDFLAGS = -Wl,-Map=$(TARGET).map,--cref LDFLAGS += $(EXTMEMOPTS) LDFLAGS += $(PRINTF_LIB) $(SCANF_LIB) $(MATH_LIB) # Programmiersupport mit avrdude # Gardware: alf avr910 avrisp bascom bsd # dt006 pavr picoweb pony-stk200 sp12 stk200 stk500 AVRDUDE_PROGRAMMER = avrispmkII # Port wo der Programmer dranhaengt AVRDUDE_PORT = usb # Schreibbefehl AVRDUDE_WRITE_FLASH = -U flash:w:$(TARGET).hex:i #AVRDUDE_WRITE_EEPROM = -U eeprom:w:$(TARGET).eep AVRDUDE_FLAGS = -p $(MCU) -P $(AVRDUDE_PORT) -c $(AVRDUDE_PROGRAMMER) AVRDUDE_FLAGS += $(AVRDUDE_NO_VERIFY) AVRDUDE_FLAGS += $(AVRDUDE_VERBOSE) AVRDUDE_FLAGS += $(AVRDUDE_ERASE_COUNTER) # --------------------------------------------------------------------------- # Define programs and commands. SHELL = sh CC = avr-gcc OBJCOPY = avr-objcopy OBJDUMP = avr-objdump SIZE = avr-size NM = avr-nm AVRDUDE = avrdude REMOVE = rm -f COPY = cp # Define Messages # English MSG_ERRORS_NONE = Fehler: keine MSG_BEGIN = -------- Start -------- MSG_END = -------- Ende -------- MSG_SIZE_BEFORE = Speicherbedarf davor: MSG_SIZE_AFTER = Speicherbedarf danach: MSG_COFF = Konvertiere zu AVR COFF: MSG_EXTENDED_COFF = Konvertiere zu AVR Extended COFF: MSG_FLASH = Erstelle Flash-Datei: MSG_EEPROM = Erstelle EEPROM-Datei: MSG_EXTENDED_LISTING = Erstelle erweitertes Listing: MSG_SYMBOL_TABLE = Erstelle Symboltabelle: MSG_LINKING = Verlinke: MSG_COMPILING = Kompiliere: MSG_ASSEMBLING = Assembliere: MSG_CLEANING = Projekt aufraeumen: # Define all object files. OBJ = $(SRC:.c=.o) $(ASRC:.S=.o) # Define all listing files. LST = $(ASRC:.S=.lst) $(SRC:.c=.lst) # Compiler flags to generate dependency files. GENDEPFLAGS = -Wp,-M,-MP,-MT,$(*F).o,-MF,.dep/$(@F).d # Combine all necessary flags and optional flags. # Add target processor to flags. ALL_CFLAGS = -mmcu=$(MCU) -I. $(CFLAGS) $(GENDEPFLAGS) ALL_ASFLAGS = -mmcu=$(MCU) -I. -x assembler-with-cpp $(ASFLAGS) # Default target. all: begin gccversion sizebefore build sizeafter finished end build: elf hex eep lss sym elf: $(TARGET).elf hex: $(TARGET).hex eep: $(TARGET).eep lss: $(TARGET).lss sym: $(TARGET).sym # Damits schoen aussieht: begin: @echo @echo $(MSG_BEGIN) end: @echo $(MSG_END) @echo # Zeige Dateigroesse: HEXSIZE = $(SIZE) --target=$(FORMAT) $(TARGET).hex ELFSIZE = $(SIZE) --target=elf32-avr $(TARGET).elf # --mcu=$(MCU) sizebefore: @if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_BEFORE); $(ELFSIZE); \ 2>/dev/null; echo; fi sizeafter: @if test -f $(TARGET).elf; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); \ 2>/dev/null; echo; fi # Zeige compiler version informationen. gccversion : @$(CC) --version # Programmiere Chip program: $(TARGET).hex $(TARGET).eep $(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FLASH) $(AVRDUDE_WRITE_EEPROM) # Konvertiere ELF zu COFF fuer debugging/simulieren im AVR-Studio COFFCONVERT=$(OBJCOPY) --debugging \ --change-section-address .data-0x800000 \ --change-section-address .bss-0x800000 \ --change-section-address .noinit-0x800000 \ --change-section-address .eeprom-0x810000 coff: $(TARGET).elf @echo @echo $(MSG_COFF) $(TARGET).cof $(COFFCONVERT) -O coff-avr $< $(TARGET).cof extcoff: $(TARGET).elf @echo @echo $(MSG_EXTENDED_COFF) $(TARGET).cof $(COFFCONVERT) -O coff-ext-avr $< $(TARGET).cof # Erzeuge Ausgabedateien (.hex, .eep) von der ELF-Datei. %.hex: %.elf @echo @echo $(MSG_FLASH) $@ $(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@ %.eep: %.elf @echo @echo $(MSG_EEPROM) $@ -$(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" \ --change-section-lma .eeprom=0 -O $(FORMAT) $< $@ # Erstelle erweitertes Listing von der ELF-Datei. %.lss: %.elf @echo @echo $(MSG_EXTENDED_LISTING) $@ $(OBJDUMP) -h -S $< > $@ # Erstelle Symboltabelle von der ELF-Datei %.sym: %.elf @echo @echo $(MSG_SYMBOL_TABLE) $@ $(NM) --size-sort --print-size $< > $@ # Link: Erstelle ELF-Datei von Object-Dateien. .SECONDARY : $(TARGET).elf .PRECIOUS : $(OBJ) %.elf: $(OBJ) @echo @echo $(MSG_LINKING) $@ $(CC) $(ALL_CFLAGS) $(OBJ) --output $@ $(LDFLAGS) # Kompiliere: Erstelle Objektdateien von den C-Codes. %.o : %.c @echo @echo $(MSG_COMPILING) $< $(CC) -c $(ALL_CFLAGS) $< -o $@ # Compile: Erstelle Assemblercode von den C-Codes. %.s : %.c $(CC) -S $(ALL_CFLAGS) $< -o $@ # Assemble: Erstelle Objekte vom Assembler-Code. %.o : %.S @echo @echo $(MSG_ASSEMBLING) $< $(CC) -c $(ALL_ASFLAGS) $< -o $@ # Target: Aufraeumen. clean: begin clean_list finished end clean_list : @echo @echo $(MSG_CLEANING) # $(REMOVE) $(TARGET).hex $(REMOVE) $(TARGET).eep $(REMOVE) $(TARGET).obj $(REMOVE) $(TARGET).cof $(REMOVE) $(TARGET).elf $(REMOVE) $(TARGET).map $(REMOVE) $(TARGET).obj $(REMOVE) $(TARGET).a90 $(REMOVE) $(TARGET).sym $(REMOVE) $(TARGET).lnk $(REMOVE) $(TARGET).lss $(REMOVE) $(OBJ) $(REMOVE) $(LST) $(REMOVE) $(SRC:.c=.s) $(REMOVE) $(SRC:.c=.d) $(REMOVE) .dep/* # Includiere Abhaengigkeiten. -include $(shell mkdir .dep 2>/dev/null) $(wildcard .dep/*) # Listing PHONY. .PHONY : all begin finish end sizebefore sizeafter gccversion \ build elf hex eep lss sym coff extcoff \ clean clean_list program