fix missing makefile

module00/ex03/Makefile

@@ -0,0 +1,43 @@
+# frequency of the CPU (in Hz)
+F_CPU = 16000000UL
+TARGET = main
+CC = avr-gcc
+
+AVRGCC_MCU_TYPE = atmega328p
+AVRDUDE_MCU_TYPE = m328p
+BAUD_RATE = 115200
+SERIAL_PORT = /dev/ttyUSB0
+PROGRAMMER_ID = arduino
+DUMP_ORI = ../../ressources/dump_atmega328p_ori.hex
+
+
+all: hex flash
+
+
+hex: $(TARGET).hex
+
+
+# https://gcc.gnu.org/onlinedocs/gcc/AVR-Options.html
+$(TARGET).bin: $(TARGET).c
+	$(CC) -mmcu=$(AVRGCC_MCU_TYPE) -D F_CPU=$(F_CPU) $(TARGET).c -Os -o $(TARGET).bin
+
+
+# https://linux.die.net/man/1/avr-objcopy
+$(TARGET).hex: $(TARGET).bin
+	avr-objcopy -O ihex $(TARGET).bin $(TARGET).hex
+
+
+# AVR Downloader/UploaDEr https://avrdudes.github.io/avrdude (v6.3 https://download-mirror.savannah.gnu.org/releases/avrdude/avrdude-doc-6.3.pdf)
+flash:
+	avrdude -p $(AVRDUDE_MCU_TYPE) -c $(PROGRAMMER_ID) -b $(BAUD_RATE) -P $(SERIAL_PORT) -U flash:w:$(TARGET).hex
+
+
+restore:
+	avrdude -p $(AVRDUDE_MCU_TYPE) -c $(PROGRAMMER_ID) -b $(BAUD_RATE) -P $(SERIAL_PORT) -U flash:w:$(DUMP_ORI)
+
+
+clean:
+	rm -f main.hex main.bin
+
+
+.PHONY : all clean hex flash restore