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| author | Josh Blum <josh@joshknows.com> | 2012-01-09 12:07:33 -0800 |
|---|---|---|
| committer | Josh Blum <josh@joshknows.com> | 2012-01-09 14:12:10 -0800 |
| commit | 3ebc4ed5456583abdf1534b4261f72989490237d (patch) | |
| tree | ee63c5c01b9cb89e8b7c5a04a7f81e10cc8c3d2d | |
| parent | f72dc7bd5b1cc3049a431efa676382e2270000be (diff) | |
| download | uhd-3ebc4ed5456583abdf1534b4261f72989490237d.tar.gz uhd-3ebc4ed5456583abdf1534b4261f72989490237d.tar.bz2 uhd-3ebc4ed5456583abdf1534b4261f72989490237d.zip | |
usrp: compensate for other sc8 conversion gain
| -rw-r--r-- | host/lib/usrp/cores/rx_dsp_core_200.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/host/lib/usrp/cores/rx_dsp_core_200.cpp b/host/lib/usrp/cores/rx_dsp_core_200.cpp index f184a8346..7c4231103 100644 --- a/host/lib/usrp/cores/rx_dsp_core_200.cpp +++ b/host/lib/usrp/cores/rx_dsp_core_200.cpp @@ -216,7 +216,9 @@ public: } else if (format == "sc8"){ format_word = (1 << 18); - _fxpt_scale_adj = 32767./scale; + _fxpt_scale_adj = 127. * scale; + _fxpt_scale_adj /= 256; //engine 16to8 drops lower 8 bits + _fxpt_scale_adj /= 4; //scale operation 2-bit pad } else throw uhd::value_error("USRP RX cannot handle requested wire format: " + format); |