2020-10-13 04:45:09 -04:00
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#
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# @description Makefile for compiling, linking and flashing code into microcontroller atmega16
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#
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# @author Marian Hrinko
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# @datum 06.097.2020
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# @notes Suffix Replacement within a macro: $(name:string1=string2)
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# For each word in 'name' replace 'string1' with 'string2'
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# For example $(DEPENDENCIES:.c=.o)
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# @inspiration https://www.cs.swarthmore.edu/~newhall/unixhelp/howto_makefiles.html
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# https://wiki.hacdc.org/index.php/AVR_Makefile
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#
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# BASIC CONFIGURATION, SETTINGS
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# ------------------------------------------------------------------
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#
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# Final file
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TARGET = main
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#
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# Library directory
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LIBDIR = lib
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#
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# Type of microcontroller
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2021-07-19 09:06:29 -04:00
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DEVICE = atmega328p
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2020-10-13 04:45:09 -04:00
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#
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# Frequency
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2021-07-19 09:06:29 -04:00
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FCPU = 8000000
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2020-10-13 04:45:09 -04:00
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#
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# Optimization
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OPTIMIZE = Os
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#
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# Type of compiler
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CC = avr-gcc
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#
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# Compiler flags
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CFLAGS = -g -Wall -DF_CPU=$(FCPU) -mmcu=$(DEVICE) -$(OPTIMIZE)
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#
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# Includes
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INCLUDES = -I.
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#
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# Libraries
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LIBS = -L$(LIBDIR)
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#
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# Object copy
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OBJCOPY = avr-objcopy
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#
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# Objcopy, create hex file flags
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# -R .eeprom -O ihex or -j .data -j .text -O ihex
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OBJFLAGS = -j .data -j .text -O ihex
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#
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# Size of file
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AVRSIZE = avr-size
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#
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# Size flags
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SFLAGS = --mcu=$(DEVICE) --format=avr
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#
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# Target and dependencies .c
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SOURCES := $(wildcard *.c $(LIBDIR)/*.c)
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#
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# Target and dependencies .o
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OBJECTS = $(SOURCES:.c=.o)
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# AVRDUDE CONFIGURATION, SETTINGS
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# -------------------------------------------------------------------
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#
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# AVRDUDE
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AVRDUDE = avrdude
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#
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# AVRDUDE DEVICE
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2021-07-19 09:06:29 -04:00
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AVRDUDE_MMCU = m328p
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2020-10-13 04:45:09 -04:00
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#
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# AVRDUDE PORT
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AVRDUDE_PORT = /dev/ttyUSB0
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#
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# AVRDUDE PROGRAMMER
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AVRDUDE_PROG = usbasp
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#
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# AVRDUDE BAUD RATE
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AVRDUDE_BAUD = 57600
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#
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# AVRDUDE BAUD RATE
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AVROBJ_FORMAT = ihex
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#
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# AVRDUDE FLAGS
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AVRDUDE_FLAGS = -p $(AVRDUDE_MMCU) -P $(AVRDUDE_PORT) -c $(AVRDUDE_PROG) -b $(AVRDUDE_BAUD) -u -U
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#
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# Create file to programmer
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main: $(TARGET).hex
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#
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# Create hex file
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$(TARGET).hex: $(TARGET).elf
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$(OBJCOPY) $(OBJFLAGS) $(TARGET).elf $(TARGET).hex
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$(AVRSIZE) $(TARGET).elf
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#
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# Create .elf file
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$(TARGET).elf:$(OBJECTS)
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$(CC) $(CFLAGS) $(OBJECTS) -o $(TARGET).elf
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#
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# Create object files
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%.o: %.c
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$(CC) $(CFLAGS) -c $< -o $@
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#
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# Program avr - send file to programmer
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flash:
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$(AVRDUDE) $(AVRDUDE_FLAGS) flash:w:$(TARGET).hex:i
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#
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# Clean
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clean:
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rm -f $(OBJECTS) $(TARGET).elf $(TARGET).map
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#
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# Cleanall
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cleanall:
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rm -f $(OBJECTS) $(TARGET).hex $(TARGET).elf $(TARGET).map
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