diff options
author | Dimitri Stolnikov <horiz0n@gmx.net> | 2013-06-07 22:32:21 +0200 |
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committer | Dimitri Stolnikov <horiz0n@gmx.net> | 2013-06-07 22:32:21 +0200 |
commit | 40fb250e8f74a6fb5e5a58bc30fa82e9df5aabf4 (patch) | |
tree | f933f73d01cfd237ce9a10cdb03922adc1eb56bb /lib/hackrf/hackrf_source_c.cc | |
parent | 40483d09c866b4b2dca46d121d166ec914196a87 (diff) |
hackrf: add fractional sample rate support introduced in libhackrf
d9c46cbdac
Diffstat (limited to 'lib/hackrf/hackrf_source_c.cc')
-rw-r--r-- | lib/hackrf/hackrf_source_c.cc | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/lib/hackrf/hackrf_source_c.cc b/lib/hackrf/hackrf_source_c.cc index 3e5e0bc..814649d 100644 --- a/lib/hackrf/hackrf_source_c.cc +++ b/lib/hackrf/hackrf_source_c.cc @@ -366,6 +366,10 @@ osmosdr::meta_range_t hackrf_source_c::get_sample_rates() { osmosdr::meta_range_t range; + /* we only add integer rates here because of better phase noise performance. + * the user is allowed to request arbitrary (fractional) rates within these + * boundaries. */ + range += osmosdr::range_t( 8e6 ); range += osmosdr::range_t( 10e6 ); range += osmosdr::range_t( 12.5e6 ); @@ -380,12 +384,13 @@ double hackrf_source_c::set_sample_rate( double rate ) int ret; if (_dev) { - ret = hackrf_sample_rate_set( _dev, uint32_t(rate) ); + //ret = hackrf_sample_rate_set( _dev, uint32_t(rate) ); + ret = hackrf_set_fracrate( _dev, float(rate/1e6) ); if ( HACKRF_SUCCESS == ret ) { _sample_rate = rate; set_bandwidth( rate ); } else { - HACKRF_THROW_ON_ERROR( ret, HACKRF_FUNC_STR( "hackrf_sample_rate_set", rate ) ) + HACKRF_THROW_ON_ERROR( ret, HACKRF_FUNC_STR( "hackrf_set_fracrate", rate ) ) } } |