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| author | michael-west <michael.west@ettus.com> | 2014-07-22 15:15:48 -0700 |
|---|---|---|
| committer | michael-west <michael.west@ettus.com> | 2014-07-22 15:15:48 -0700 |
| commit | 138f1c57db6c8a654b0587a0e01a9849569893c5 (patch) | |
| tree | 412cbd1e793013ff9e2931022a528789bedce510 | |
| parent | e06c3b84a4afd2c8128b5ebb94be283247ec4d1b (diff) | |
| download | uhd-138f1c57db6c8a654b0587a0e01a9849569893c5.tar.gz uhd-138f1c57db6c8a654b0587a0e01a9849569893c5.tar.bz2 uhd-138f1c57db6c8a654b0587a0e01a9849569893c5.zip | |
Fix for BUG #517: B200: Regression of power level on RX
- Fixed scalar for RX DSP core
| -rw-r--r-- | host/lib/usrp/cores/rx_dsp_core_3000.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/host/lib/usrp/cores/rx_dsp_core_3000.cpp b/host/lib/usrp/cores/rx_dsp_core_3000.cpp index 584dd6a94..07399d462 100644 --- a/host/lib/usrp/cores/rx_dsp_core_3000.cpp +++ b/host/lib/usrp/cores/rx_dsp_core_3000.cpp @@ -177,7 +177,7 @@ public: void update_scalar(void){ const double factor = 1.0 + std::max(ceil_log2(_scaling_adjustment), 0.0); - const double target_scalar = (1 << 15)*_scaling_adjustment/_dsp_extra_scaling/factor; + const double target_scalar = (1 << (_is_b200 ? 17 : 15))*_scaling_adjustment/_dsp_extra_scaling/factor; const boost::int32_t actual_scalar = boost::math::iround(target_scalar); _fxpt_scalar_correction = target_scalar/actual_scalar*factor; //should be small _iface->poke32(REG_DSP_RX_SCALE_IQ, actual_scalar); |