def into_buffer(self, buf, offset):
    """Produce a framed/packed SBP message into the provided buffer and offset.

    """
    self.payload = containerize(exclude_fields(self))
    self.parser = MsgEphemerisGPSDepF._parser
    self.stream_payload.reset(buf, offset)
    return self.pack_into(buf, offset, self._build_payload)
Produce a framed/packed SBP message into the provided buffer and offset.