feat(ex00): Full ex00

.gitignore

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+*.o
+*.hex
+*.bin

ex00/Makefile

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+# Makefile
+MCU=atmega328p
+F_CPU=16000000
+CC=avr-gcc
+OBJCOPY=avr-objcopy
+CFLAGS=-nostdlib -std=c99 -Wall -Wextra -g -Os -mmcu=$(MCU) -DF_CPU=$(F_CPU) -I.
+TARGET=main
+SERIAL=-P /dev/ttyUSB0 -b 115200
+
+SRC_DIR=.
+OBJ_DIR=build
+
+SRC_FILES=main.c
+OBJ_FILES=$(patsubst %.c,%.o,$(SRC_FILES))
+
+SRC=$(addprefix $(SRC_DIR)/,$(SRC_FILES))
+OBJ=$(addprefix $(OBJ_DIR)/,$(OBJ_FILES))
+
+all: flash
+
+re: fclean all
+
+fclean: clean
+clean:
+	rm -rf $(OBJ_DIR)
+	rm -f $(TARGET).hex
+
+hex: $(TARGET).hex
+
+flash: hex
+	avrdude -p $(MCU) -c arduino -U flash:w:$(TARGET).hex:i $(SERIAL) 
+
+$(OBJ_DIR)/$(TARGET).bin: $(OBJ)
+	$(CC) $(CFLAGS) $(OBJ) -o $@
+
+$(OBJ_DIR)/%.o: $(SRC_DIR)/%.c
+	mkdir -p $(shell dirname $@)
+	$(CC) $(CFLAGS) -c $< -o $@
+
+
+$(TARGET).hex: $(OBJ_DIR)/$(TARGET).bin
+	$(OBJCOPY) -j .text -j .data -O ihex $< $@

ex00/main.c

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+int main(void) {}