Initial

makefile

@@ -0,0 +1,72 @@
+PROJECT = main
+LOCAL_SOURCE_DIR = src
+BUILD_DIR = build
+
+MCU = attiny2313
+# internal oscillator
+# LFUSE = 0xe4
+# crystal
+LFUSE = 0xff
+HFUSE = 0xdf
+EFUSE = 0xff
+
+FORMAT = ihex
+
+LOCAL_SOURCES = $(wildcard $(LOCAL_SOURCE_DIR)/*.c)
+
+CFLAGS = -mmcu=$(MCU) -Wall -Wstrict-prototypes -gstabs -std=gnu99 -funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums -Os -lm
+
+RM = rm -f
+CC = avr-gcc
+NM = avr-nm
+AVRDUDE = avrdude
+OBJCOPY = avr-objcopy
+OBJDUMP = avr-objdump
+SIZE = avr-size
+
+LOCAL_OBJECTS = $(patsubst $(LOCAL_SOURCE_DIR)/%.c, $(BUILD_DIR)/%.o, $(LOCAL_SOURCES))
+OBJECTS = $(LOCAL_OBJECTS)
+LOCAL_DEPENDS = $(patsubst $(LOCAL_SOURCE_DIR)/%.c, $(BUILD_DIR)/%.d, $(LOCAL_SOURCES))
+
+.DEFAULT_GOAL = all
+.DELETE_ON_ERROR:
+
+$(LOCAL_OBJECTS): $(BUILD_DIR)/%.o: $(LOCAL_SOURCE_DIR)/%.c
+	$(CC) $^ -c -o $@ $(CFLAGS)
+
+$(LOCAL_DEPENDS): $(BUILD_DIR)/%.d: $(LOCAL_SOURCE_DIR)/%.c
+	@set -e; rm -f $@; $(CC) -MM $(CFLAGS) $< > $@.$$$$; sed 's,\($*\)\.o[ :]*,\1.o $@ : ,g' < $@.$$$$ > $@; rm -f $@.$$$$
+
+include $(LOCAL_DEPENDS) 
+
+$(BUILD_DIR)/$(PROJECT).elf: $(OBJECTS) | $(BUILD_DIR)
+	$(CC) $(OBJECTS) $(CFLAGS) --output $@
+
+$(BUILD_DIR)/$(PROJECT).hex: $(BUILD_DIR)/$(PROJECT).elf | $(BUILD_DIR)
+	$(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+
+$(BUILD_DIR)/$(PROJECT).eep: $(BUILD_DIR)/$(PROJECT).elf | $(BUILD_DIR)
+	-$(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" --change-section-lma .eeprom=0 -O $(FORMAT) $< $@
+
+$(BUILD_DIR)/$(PROJECT).lss: $(BUILD_DIR)/$(PROJECT).elf | $(BUILD_DIR)
+	$(OBJDUMP) -h -S $< > $@
+
+$(BUILD_DIR)/$(PROJECT).sym: $(BUILD_DIR)/$(PROJECT).elf | $(BUILD_DIR)
+	$(NM) -n $< > $@
+
+$(LOCAL_DEPENDS): | $(BUILD_DIR)
+$(BUILD_DIR):
+	if [ ! -d "$(BUILD_DIR)" ]; then mkdir "$(BUILD_DIR)"; fi
+
+.PHONY: all
+all: $(BUILD_DIR) $(OBJECTS) $(BUILD_DIR)/$(PROJECT).elf $(BUILD_DIR)/$(PROJECT).hex $(BUILD_DIR)/$(PROJECT).eep $(BUILD_DIR)/$(PROJECT).lss $(BUILD_DIR)/$(PROJECT).sym
+	$(SIZE) $(BUILD_DIR)/$(PROJECT).elf
+
+.PHONY: program
+program: $(BUILD_DIR)/$(PROJECT).hex
+	avrdude -c usbasp -p $(MCU) -U flash:w:$(BUILD_DIR)/$(PROJECT).hex -U lfuse:w:$(LFUSE):m -U hfuse:w:$(HFUSE):m -U efuse:w:$(EFUSE):m 
+	# avrdude -c usbasp -p $(MCU) -U flash:w:$(BUILD_DIR)/$(PROJECT).hex -U eeprom:w:$(BUILD_DIR)/$(PROJECT).eep -U lfuse:w:$(LFUSE):m -U hfuse:w:$(HFUSE):m -U efuse:w:$(EFUSE):m 
+
+.PHONY: clean
+clean:
+	$(RM) $(BUILD_DIR)/*