Unterschiede

Hier werden die Unterschiede zwischen zwei Versionen angezeigt.


Vorhergehende Überarbeitung
—makefile [2024/02/06 09:43] (aktuell) – Externe Bearbeitung 127.0.0.1
Zeile 1: Zeile 1:
 +<code c>
 +# 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
 +
 +</code>