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157 lines
4.6 KiB
Makefile
Executable File
157 lines
4.6 KiB
Makefile
Executable File
#-------------------------------------------------------------------------------------------------------
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# makefile
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#
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# written by Steffen from mikrocontrollerspielwiese.de
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#
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# inspired from Guido Socher's makefile
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# http://www.linuxfocus.org/Deutsch/November2004/article352.shtml
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#
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# license: GPL (http://www.gnu.org/licenses/gpl.txt)
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#-------------------------------------------------------------------------------------------------------
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AVRDUDE=/usr/local/bin/avrdude
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# avr-gcc part name
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MCU=attiny85
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# avrdude part name
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PART=t85
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CC=avr-gcc
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CPP=avr-c++
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#CPP=env -P/usr/local/bin:/usr/bin - avr-c++
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#CC=env -P/usr/local/bin:/usr/bin - avr-gcc
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OBJCOPY=avr-objcopy
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PORT=$(shell ls /dev/ttyACM*)
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#-------------------
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# Programmieradapter
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# hier kannst Du Deinen Programmieradapter angeben, wenn Du einen
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# anderen nimmst, als in der Mikrocontrollerspielwiese vorgeschlagen
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# Diamex
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PROGRAMMER = -c stk500v2 -P $(PORT) -b 9600 -B 1 -v
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#der USB-Programmieradapter der Mikrocontrollerspielwiese:
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#PROGRAMMER = -c usbasp
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#mein Mac-Programmieradapter:
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#PROGRAMMER = -c stk500v2 -P /dev/tty.usbmodem431
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#
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# attiny compatibility layer
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#COMPAT=-I/home/scip/devel/at/tiny/cores/tiny
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# gloabal defines
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DEFS=-DF_CPU=1000000UL
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#-------------------
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# auf Kleinheit optimieren:
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CFLAGS=-g -mmcu=$(MCU) -Wall -Wstrict-prototypes -Os -mcall-prologues -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums -Wundef -I. $(COMPAT) $(DEFS)
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CPPFLAGS=-g -mmcu=$(MCU) -Wall -Os -mcall-prologues -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums -Wundef -I. $(COMPAT) $(DEFS)
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PWD=$(shell pwd)
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SRC=$(shell basename $(PWD))
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OBJ=$(shell ls *.c *.cpp | sed -e 's/\.cpp/.o/' -e 's/\.c/.o/')
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#-------------------
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all: $(SRC).hex
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#-------------------
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help:
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@echo
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@echo "Moegliche Befehle:"
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@echo " make all - compiliert Dein Programm und erzeugt die .hex-Datei"
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@echo " make load - compiliert Dein Programm und schiebt es in den AVR"
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@echo " make clean - loescht die beim Compilieren erzeugten Dateien"
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@echo " make rdfuses - gibt Dir Informationen ueber die gesetzten Fusebits und mehr"
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@echo " make wrfuse4.8mhz - setzt Fusebit fuer 4.8 MHz intern"
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@echo " make wrfuse9.6mhz - setzt Fusebit fuer 9.6 MHz intern"
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@echo " make wrfuse128khz - setzt Fusebit fuer 128 kHz intern"
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@echo " make wrfusecrystal - setzt Fusebit fuer externen Quarz / Crystal (Achtung!)"
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@echo " make wrfusenoreset - setzt Fusebit fuer PB5 (Achtung!)"
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@echo " make help - zeigt diesen Hilfetext"
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@echo
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@echo "Achtung: ohne Quarz hast Du keine Chance wrfusecrystal rueckgaengig zu machen!"
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@echo
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@echo "Achtung: wrfusenoreset schaltet PB5 frei und deaktiviert RESET !!!"
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@echo
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#-------------------
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$(SRC).hex : $(SRC).out
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$(OBJCOPY) -R .eeprom -O ihex $(SRC).out $(SRC).hex
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$(SRC).out : $(OBJ)
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$(CC) $(CFLAGS) -o $(SRC).out -Wl,-Map,$(SRC).map $(OBJ)
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%.o : %.c
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$(CC) $(CFLAGS) -Os -c $< -o $@
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%.o : %.cpp
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$(CPP) $(CPPFLAGS) -Os -c $< -o $@
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#------------------
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load: $(SRC).hex
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$(AVRDUDE) -p $(PART) $(PROGRAMMER) -e -U flash:w:"$(SRC).hex"
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#-------------------
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# fuse byte settings attiny13:
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#
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# Fuse Low Byte = 0x69 (4,8MHz internal), 0x6a (9.6MHz internal)
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# Fuse High Byte = 0xff (RESET enabled), 0xfe (PB5 enabled, RESET disabled)
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# Factory default is 0x6a / 0xff
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# Check this with make rdfuses
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rdfuses:
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$(AVRDUDE) -p $(PART) $(PROGRAMMER) -v -q
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# use internal RC oscillator 4.8 MHz
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wrfuse4.8mhz:
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$(AVRDUDE) -p $(PART) $(PROGRAMMER) -u -v -U lfuse:w:0x69:m
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$(AVRDUDE) -p $(PART) $(PROGRAMMER) -u -v -U hfuse:w:0xff:m
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# use internal RC oscillator 9.6 MHz
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wrfuse9.6mhz:
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$(AVRDUDE) -p $(PART) $(PROGRAMMER) -u -v -U lfuse:w:0x6a:m
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$(AVRDUDE) -p $(PART) $(PROGRAMMER) -u -v -U hfuse:w:0xff:m
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# use external crystal
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wrfusecrystal:
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clear
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@echo "Warnung: Das Setzen des Quarz-Fusebits kann nur mit Quarz rueckgaengig gemacht werden!"
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@echo " Du hast 15 Sekunden, um mit crtl-c abzubrechen."
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@echo
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@echo "Warning: The external crystal setting can not be changed back without a working crystal"
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@echo " You have 15 seconds to abort this with crtl-c"
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@sleep 15
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$(AVRDUDE) -p $(PART) $(PROGRAMMER) -u -v -U lfuse:w:0x68:m
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$(AVRDUDE) -p $(PART) $(PROGRAMMER) -u -v -U hfuse:w:0xff:m
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# fuse byte setting for using PB5 (disables RESET)
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wrfusenoreset:
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clear
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@echo "Warnung:"
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@echo
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@echo "Das Setzen des Reset-Fusebits kann nicht rueckgaengig gemacht werden!"
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@echo "Du hast 15 Sekunden, um mit crtl-c abzubrechen."
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@echo
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@sleep 15
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$(AVRDUDE) -p $(PART) $(PROGRAMMER) -u -v -U hfuse:w:0xfe:m
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#-------------------
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clean:
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rm -f *.o *.map *.out *.hex
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#-------------------
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