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############################################################################### |
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# Makefile for the project Tykadlo |
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############################################################################### |
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# (c)miho www.mlab.cz |
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# 1.00 - new makefile |
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# 1.01 - solved problem with default rules (invalid target "Makefile") |
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## User Settings |
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# Frequencies are in Hz, Callibration is usualy not needed |
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FREQUENCIES = 30000 32000 34000 36000 38000 40000 56000 |
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CALIBRATION = 0 |
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## Project |
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# Main source file name, target platform, destination directory |
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PROJECT = Tykadlo |
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MCU = attiny13 |
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TARGETDIR = BIN |
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## Variants - all supported frequences |
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# Combine project name with all required frequencies |
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VARIANTS = $(foreach FREQ, $(FREQUENCIES), $(PROJECT)_$(FREQ)) |
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## General Flags |
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CC = avr-gcc |
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## Options common to compile, link and assembly rules |
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COMMON = -mmcu=$(MCU) |
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## Compile options common for all C compilation units. |
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CFLAGS = $(COMMON) |
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CFLAGS += -Wall -gdwarf-2 -std=gnu99 -Os -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums |
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CFLAGS += -MD -MP -MT $(*F).o -MF dep/$(@F).d |
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## Linker flags |
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LDFLAGS = $(COMMON) |
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LDFLAGS += -Wl |
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## Intel Hex file production flags |
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HEX_FLASH_FLAGS = -R .fuse -R .lock -R .signature |
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## Build |
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# Tag targets that are not / do not require files |
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.PHONY: all allhex alllss clean Makefile |
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# Main target |
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all: allhex |
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# Subtarget - all variants hex files |
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allhex: $(foreach VAR, $(VARIANTS), $(VAR).hex) |
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# Subtarget - all variants lss files |
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alllss: $(foreach VAR, $(VARIANTS), $(VAR).lss) |
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# How to translate .o file - from .c with all possible frequencies |
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%.o: $(PROJECT).c |
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$(CC) $(INCLUDES) $(CFLAGS) -c $< -D CALIBRATION=$(CALIBRATION) -D IR_FREQUENCY=$(subst $(PROJECT)_,,$(@:.o=))UL -o $@ |
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# How to link .elf - from .o |
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%.elf: %.o |
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$(CC) $(LDFLAGS) $< $(LIBDIRS) $(LIBS) -o $@ |
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rm $< |
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# How to generate .hex file - from .elf |
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%.hex: %.elf |
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avr-objcopy -O ihex $(HEX_FLASH_FLAGS) $< $(TARGETDIR)/$@ |
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# How to generate .lss file - from .elf |
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%.lss: %.elf |
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avr-objdump -h -S $< > $(TARGETDIR)/$@ |
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## Clean target |
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clean: |
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-rm -rf $(PROJECT)*.o $(PROJECT)*.elf dep/* $(TARGETDIR)/$(PROJECT)*.hex $(TARGETDIR)/$(PROJECT)*.lss |
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-rmdir dep |
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-rmdir $(TARGETDIR) |
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## Other dependencies |
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-include $(shell mkdir dep 2>/dev/null) $(wildcard dep/*) |
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-include $(shell mkdir $(TARGETDIR) 2>/dev/null) |