diff options
Diffstat (limited to 'gr-uhd/lib/usrp_common.h')
| -rw-r--r-- | gr-uhd/lib/usrp_common.h | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/gr-uhd/lib/usrp_common.h b/gr-uhd/lib/usrp_common.h index 29caa585cf..41f443922c 100644 --- a/gr-uhd/lib/usrp_common.h +++ b/gr-uhd/lib/usrp_common.h @@ -180,9 +180,22 @@ namespace gr { return true; } + void _update_stream_args(const ::uhd::stream_args_t &stream_args_) + { + ::uhd::stream_args_t stream_args(stream_args_); + if (stream_args.channels.empty()) { + stream_args.channels = _stream_args.channels; + } + if (stream_args.cpu_format != _stream_args.cpu_format || + stream_args.channels.size() != _stream_args.channels.size()) { + throw std::runtime_error("Cannot change I/O signatures while updating stream args!"); + } + _stream_args = stream_args; + } + //! Shared pointer to the underlying multi_usrp object ::uhd::usrp::multi_usrp::sptr _dev; - const ::uhd::stream_args_t _stream_args; + ::uhd::stream_args_t _stream_args; boost::shared_ptr< ::uhd::io_type_t > _type; //! Number of channels (i.e. number of in- or outputs) size_t _nchan; |