generate_header.h

#!/usr/bin/env python3
import os


def generate_header_file(input_file):
    # Read binary data from input file
    with open(input_file, "rb") as f:
        data = f.read()

    # Create header file name
    file_name, _ = os.path.splitext(input_file)
    header_file = file_name + ".h"

    # Write to header file
    with open(header_file, "w") as f:
        # Write array declaration
        f.write(
            "const unsigned char {}[{}] = {{\n    ".format(
                os.path.basename(file_name), len(data)
            )
        )

        # Write array elements
        bytes_per_line = 0
        for byte in data:
            # Write byte value
            f.write("0x{:02X}, ".format(byte))
            bytes_per_line += 1

            # Start a new line if 80 characters reached
            if bytes_per_line == 20:  # 20 bytes per line = 80 characters
                f.write("\n    ")
                bytes_per_line = 0

        # Close array declaration
        f.write("\n};\n")

    print("Header file '{}' generated successfully.".format(header_file))


if __name__ == "__main__":
    import sys

    if len(sys.argv) != 2:
        raise ValueError
    generate_header_file(sys.argv[1])