diff options
Diffstat (limited to 'gr-uhd/include/gr_uhd_usrp_source.h')
-rw-r--r-- | gr-uhd/include/gr_uhd_usrp_source.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/gr-uhd/include/gr_uhd_usrp_source.h b/gr-uhd/include/gr_uhd_usrp_source.h index 6e51a1423..f8ac9361e 100644 --- a/gr-uhd/include/gr_uhd_usrp_source.h +++ b/gr-uhd/include/gr_uhd_usrp_source.h @@ -28,6 +28,29 @@ class uhd_usrp_source; +/*! + * \brief Make a new USRP source block. + * + * The USRP source block receives samples and writes to a stream. + * The source block also provides API calls for receiver settings. + * + * RX Stream tagging: + * + * The following tag keys will be produced by the work function: + * - pmt::pmt_string_to_symbol("rx_time") + * + * The timstamp tag value is a pmt tuple of the following: + * (uint64 seconds, and double fractional seconds). + * A timestamp tag is produced at start() and after overflows. + * + * See the UHD manual for more detailed documentation: + * http://code.ettus.com/redmine/ettus/projects/uhd/wiki + * + * \param device_addr the address to identify the hardware + * \param io_type the desired output data type + * \param num_channels number of stream from the device + * \return a new USRP source block object + */ GR_UHD_API boost::shared_ptr<uhd_usrp_source> uhd_make_usrp_source( const uhd::device_addr_t &device_addr, const uhd::io_type_t &io_type, |