Initial

makefile

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+# AVR-GCC compiler
+CC = avr-gcc
+
+# Programmer (change it according to your programmer)
+PROGRAMMER = usbasp
+
+# MCU
+MCU = atmega328p
+QEMU_MACHINE_NAME = uno
+
+# Compiler flags
+CFLAGS = -std=c2x -Wall -Wno-array-bounds -mmcu=$(MCU) -DF_CPU=16000000UL -O3
+
+# Source files
+SRCS = main.c
+
+# Object files
+OBJS = $(SRCS:.c=.o)
+
+# Target file
+TARGET = main
+
+# Default target
+all: $(TARGET).hex
+
+# Compile C files
+%.o: %.c
+	$(CC) $(CFLAGS) -c $< -o $@
+
+# Link object files
+$(TARGET).elf: $(OBJS)
+	$(CC) $(CFLAGS) $(OBJS) -o $(TARGET).elf
+	avr-strip $(TARGET).elf
+
+# Convert ELF to HEX
+$(TARGET).hex: $(TARGET).elf
+	avr-objcopy -O ihex -R .eeprom $(TARGET).elf $(TARGET).hex
+
+# Flash the program
+flash: $(TARGET).hex
+	avrdude -p $(MCU) -c $(PROGRAMMER) -U flash:w:$(TARGET).hex
+
+# Run the program in QEMU
+qemu: $(TARGET).elf
+	qemu-system-avr -machine $(QEMU_MACHINE_NAME) -bios $(TARGET).elf
+
+# View the generated assembly
+asm: $(TARGET).hex
+	avr-objdump -S $(TARGET).elf
+
+.PHONY: serial
+serial:
+	picocom -b 9600 /dev/ttyUSB0
+
+.PHONY: check
+check:
+	avrdude -p $(MCU) -c $(PROGRAMMER)
+
+# Clean
+.PHONY: clean
+clean:
+	rm -f $(OBJS) $(TARGET).elf $(TARGET).hex
+
+size: main.hex
+	avr-size --mcu=atmega328p main.hex