def trans_list_to_str(data: list) -> str:
    """ 标准串口字符串表示 """
    func_trans = lambda x: ('00' + hex(x % 256)[2:])[-2:].upper()
    return " ".join(map(func_trans, data))


def trans_str_to_list(data: str) -> list:
    """ 标准串口字符串转换列表 """
    func_trans = lambda x: int(x, 16)
    return list(map(func_trans, data.strip().split(" ")))


def conv_int_to_array(num: int, big_end=False):
    """ 数值转字节数组 """
    result = [0, 0, 0, 0]
    if big_end:
       indexlist = reversed(range(len(result)))
    else:
        indexlist = range(len(result))

    for i in indexlist:
        result[i] = int(num % 0x100)
        num //= 0x100
    return result


def display_hex(data:int, length:int=2) -> str:
    """ Hex字符固定最小长度表示 """
    return f"0x{data:0{length}X}"