def METHOD_NAME(self):
    ''' send no operation command and validate the echo readback '''
    if not self.word32: logging.warning("Currently, the SPI communication is set up with a 24bit word. Echo readback possibly not supported.")
    no_op = bytes_from_nibbles([15,0,0,0,0,0])
    self.write(no_op)
    if self.write(no_op) == no_op:
        return True
    else:
        return False