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# 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
