70 lines
1.7 KiB
Makefile
70 lines
1.7 KiB
Makefile
MKDIR_P := mkdir -p
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CP := cp
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MV := mv
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CC := avr-gcc
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CCC := avr-g++
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RM_RF = rm -rf
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OCPY := avr-objcopy
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AVRDUDE := avrdude
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PORT := /dev/ttyACM0
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#PORT := usb
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#BOARD := atmega328p
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BOARD := atmega2560
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#PROGRAMMER := arduino
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PROGRAMMER := usbasp
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#PROGBOARD := m328p
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PROGBOARD := m2560
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BAUD_RATE_PROG := 115200
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FLASH_CMD := $(AVRDUDE) -b $(BAUD_RATE_PROG) -p $(PROGBOARD) -D -P $(PORT) -c $(PROGRAMMER)
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AVRSIZE := avr-size
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AVRSIZE_FLAGS := -C --mcu=$(PROGBOARD)
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# directories
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CWD := $(realpath .)
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BINDIR := $(CWD)/bin
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BUILDDIR := $(CWD)/build
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SRCDIR := $(CWD)/src
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INCLUDEDIR := $(CWD)/include
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# flas
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CFLAGS := -mmcu=$(BOARD) -Os -I$(INCLUDEDIR) -Wall -Wextra
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LDFLAGS := -mmcu=$(BOARD)
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# target files
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DIRS_TARGET := $(BINDIR) $(BUILDDIR)
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TARGET := $(BINDIR)/mc.hex
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TARGET_ELF := $(BINDIR)/mc.elf
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SRCFILES := $(wildcard $(SRCDIR)/*.c)
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OBJFILES := $(patsubst $(SRCDIR)/%.c,$(BUILDDIR)/%.o,$(SRCFILES))
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# fancy targets
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all: directories $(TARGET)
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directories: $(DIRS_TARGET)
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# less fancy targets
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$(DIRS_TARGET):
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$(MKDIR_P) $@
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$(TARGET) : $(TARGET_ELF)
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$(OCPY) -O ihex -j .text -j .data $^ $@
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$(TARGET_ELF): $(OBJFILES)
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$(CC) $(LDFLAGS) -o $@ $^
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$(AVRSIZE) $(AVRSIZE_FLAGS) $@
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$(BUILDDIR)/%.o: $(SRCDIR)/%.c
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$(CC) $(CFLAGS) -c -o $@ $<
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flash: $(TARGET)
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# For atmega 2560
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$(FLASH_CMD) -e -U hfuse:w:0xD9:m -U lfuse:w:0xDF:m -U efuse:w:0xFF:m -U flash:w:$^:i -U efuse:w:0xfa:m
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# For atmega 328p:
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#$(FLASH_CMD) -e -U hfuse:w:0xD9:m -U efuse:w:0xFF:m -U lfuse:w:0xDF:m -U flash:w:$^:i -U efuse:w:0xfd:m
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# If unknown or no fuse bits available over programmer
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#$(FLASH_CMD) -U flash:w:$^:i
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$(FLASH_CMD) -U flash:v:$^:i
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clean:
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$(RM_RF) $(DIRS_TARGET)
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