186 lines
4.4 KiB
Makefile
186 lines
4.4 KiB
Makefile
#==== Main Options =============================================================
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MCU = atmega328p
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F_CPU = 16000000
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LFUSE = 0xf1
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HFUSE = 0xdf
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TARGET = main
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SRC = $(TARGET).cpp
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OBJDIR = obj
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BACKUPDIR = backup
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#==== Compile Options ==========================================================
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OPT = s
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CFLAGS = -mmcu=$(MCU) -I.
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CFLAGS += -DF_CPU=$(F_CPU)UL
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CFLAGS += -O$(OPT)
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#CFLAGS += -mint8
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#CFLAGS += -mshort-calls
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CFLAGS += -funsigned-char
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CFLAGS += -funsigned-bitfields
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CFLAGS += -fpack-struct
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CFLAGS += -fshort-enums
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#CFLAGS += -fno-unit-at-a-time
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CFLAGS += -Wall
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CFLAGS += -Wstrict-prototypes
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hCFLAGS += -Wundef
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#CFLAGS += -Wunreachable-code
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#CFLAGS += -Wsign-compare
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CFLAGS += -std=gnu99
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#CFLAGS += -Wa,-adhlns=$(<:%.c=$(OBJDIR)/%.lst)
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#CFLAGS += -flto
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#LDFLAGS =
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#==== Programming Options (avrdude) ============================================
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AVRDUDE_PROGRAMMER = arduino
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AVRDUDE_PORT = /dev/ttyS4
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AVRDUDE_BAUD = 115200
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#AVRDUDE_NO_VERIFY = -V
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AVRDUDE_FLAGS = -p $(MCU) -P $(AVRDUDE_PORT) -b $(AVRDUDE_BAUD) -c $(AVRDUDE_PROGRAMMER) $(AVRDUDE_NO_VERIFY)
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#==== Targets ==================================================================
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CC = avr-g++
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OBJCOPY = avr-objcopy
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OBJDUMP = avr-objdump
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AVRDUDE = avrdude
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AVRSIZE = avr-size
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REMOVE = rm -f
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REMOVEDIR = rm -rf
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TAIL = tail
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AWK = awk
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OBJ = $(SRC:%.c=$(OBJDIR)/%.o)
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AVRDUDE_WRITE_FLASH = -U flash:w:$(TARGET).hex
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AVRDUDE_WRITE_EEPROM = -U eeprom:w:$(TARGET).eep
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MEMORYTYPES = flash eeprom fuse lfuse hfuse efuse boot calibration lock signature application apptable prodsig usersig
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all: build
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help:
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@echo 'Basic targets:'
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@echo ' build Create all files.'
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@echo ' clean Remove files created by make.'
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@echo ' size Show the size of each section in the .elf file.'
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@echo
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@echo 'Create files:'
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@echo ' elf Create binary .elf file.'
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@echo ' hex Create .hex file containing .text and .data sections.'
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@echo ' eep Create .eep file with the EEPROM content.'
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@echo ' lss Create .lss file with a listing of the program.'
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@echo
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@echo 'Flashing:'
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@echo ' program Write flash and EEPROM.'
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@echo ' flash Write only flash.'
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@echo ' eeprom Write only EEPROM.'
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@echo ' backup Backup MCU content to "$(BACKUPDIR)". Available memory types:'
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@echo ' $(MEMORYTYPES)'
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@echo
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@echo 'Fuses:'
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@echo ' readfuses Read fuses from MCU.'
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@echo ' writefuses Write fuses to MCU using .fuse section.'
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@echo ' printfuses Print fuses from .fuse section.'
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build: elf hex eep lss size
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elf: $(TARGET).elf
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hex: $(TARGET).hex
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eep: $(TARGET).eep
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lss: $(TARGET).lss
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program: flash eeprom
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flash: $(TARGET).hex
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$(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FLASH)
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eeprom: $(TARGET).eep
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$(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_EEPROM)
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readfuses:
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$(AVRDUDE) $(AVRDUDE_FLAGS) -U lfuse:r:-:i -U hfuse:r:-:i
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writefuses:
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$(AVRDUDE) $(AVRDUDE_FLAGS) -U lfuse:w:$(LFUSE):m -U hfuse:w:$(HFUSE):m
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#writefuses: FUSES = $(shell $(OBJDUMP) -s --section=.fuse $(TARGET).elf | tail -1 | awk '{print substr($$2,1,2),substr($$2,3,2),substr($$2,5,2)}')
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#writefuses: $(TARGET).elf
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# $(AVRDUDE) $(AVRDUDE_FLAGS) \
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# $(if $(word 1,$(FUSES)),-U lfuse:w:0x$(word 1,$(FUSES)):m) \
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# $(if $(word 2,$(FUSES)),-U hfuse:w:0x$(word 2,$(FUSES)):m) \
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# $(if $(word 3,$(FUSES)),-U efuse:w:0x$(word 3,$(FUSES)):m)
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printfuses: FUSES = $(shell $(OBJDUMP) -s --section=.fuse $(TARGET).elf | tail -1 | awk '{print substr($$2,1,2),substr($$2,3,2),substr($$2,5,2)}')
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printfuses: $(TARGET).elf
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@echo 'FUSES = $(FUSES)'
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%.hex: %.elf
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$(OBJCOPY) -O ihex -j .text -j .data $< $@
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%.eep: %.elf
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-$(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" --change-section-lma .eeprom=0 -O ihex $< $@
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%.lss: %.elf
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$(OBJDUMP) -h -S $< > $@
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.SECONDARY: $(TARGET).elf
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.PRECIOUS: $(OBJ)
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%.elf: $(OBJ)
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$(CC) $(CFLAGS) $^ --output $@ $(LDFLAGS)
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$(OBJDIR)/%.o: %.c
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$(shell mkdir -p $(OBJDIR) 2>/dev/null)
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$(CC) -c $(CFLAGS) $< -o $@
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size: $(TARGET).elf
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$(AVRSIZE) -A $(TARGET).elf
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clean:
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$(REMOVE) "$(TARGET).hex"
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$(REMOVE) "$(TARGET).eep"
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$(REMOVE) "$(TARGET).elf"
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$(REMOVE) "$(TARGET).lss"
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$(REMOVEDIR) "$(OBJDIR)"
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backup:
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$(shell mkdir -p $(BACKUPDIR) 2>/dev/null)
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@for memory in $(MEMORYTYPES); do \
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$(AVRDUDE) $(AVRDUDE_FLAGS) -U $$memory:r:$(BACKUPDIR)/$(MCU).$$memory.hex:i; \
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done
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.PHONY: all size build elf hex eep lss clean program flash eeprom readfuses writefuses printfuses backup help
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