elphyio.py 文件源码

def filter_bytes(self, databytes, bit_mask):
        """
        Detect from a bit mask which bits
        to keep to recompose the signal.
        """
        n_bytes = len(databytes)
        mask = np.ones(n_bytes, dtype=int)
        np.putmask(mask, mask, bit_mask)
        to_keep = np.where(mask > 0)[0]
        return databytes.take(to_keep)