diff options
Diffstat (limited to 'lib/uhd/uhd_sink_c.cc')
| -rw-r--r-- | lib/uhd/uhd_sink_c.cc | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/lib/uhd/uhd_sink_c.cc b/lib/uhd/uhd_sink_c.cc index 48a3550..b226cbd 100644 --- a/lib/uhd/uhd_sink_c.cc +++ b/lib/uhd/uhd_sink_c.cc @@ -39,6 +39,8 @@ uhd_sink_c::uhd_sink_c(const std::string &args) : gr_hier_block2("uhd_sink_c", args_to_io_signature(args), gr_make_io_signature (0, 0, 0)), + _center_freq(0.0f), + _freq_corr(0.0f), _lo_offset(0.0f) { size_t nchan = 1; @@ -172,13 +174,16 @@ osmosdr::freq_range_t uhd_sink_c::get_freq_range( size_t chan ) double uhd_sink_c::set_center_freq( double freq, size_t chan ) { - //_snk->set_center_freq(freq, chan); + #define APPLY_PPM_CORR(val, ppm) ((val) * (1.0 + (ppm) * 0.000001)) - // advanced tuning with tune_request_t - uhd::tune_request_t tune_req(freq, _lo_offset); + double corr_freq = APPLY_PPM_CORR( freq, _freq_corr ); + // advanced tuning with tune_request_t + uhd::tune_request_t tune_req(corr_freq, _lo_offset); _snk->set_center_freq(tune_req, chan); + _center_freq = freq; + return get_center_freq(chan); } @@ -189,12 +194,16 @@ double uhd_sink_c::get_center_freq( size_t chan ) double uhd_sink_c::set_freq_corr( double ppm, size_t chan ) { + _freq_corr = ppm; + + set_center_freq( _center_freq ); + return get_freq_corr(chan); } double uhd_sink_c::get_freq_corr( size_t chan ) { - return 0; // frequency correction is not supported with UHD + return _freq_corr; } std::vector<std::string> uhd_sink_c::get_gain_names( size_t chan ) |