diff options
Diffstat (limited to 'host/lib/usrp/usrp2/codec_ctrl.cpp')
-rw-r--r-- | host/lib/usrp/usrp2/codec_ctrl.cpp | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/host/lib/usrp/usrp2/codec_ctrl.cpp b/host/lib/usrp/usrp2/codec_ctrl.cpp index 2e645dcec..e5be62205 100644 --- a/host/lib/usrp/usrp2/codec_ctrl.cpp +++ b/host/lib/usrp/usrp2/codec_ctrl.cpp @@ -86,12 +86,16 @@ public: } } - void set_rx_digital_gain(float gain) { //combine fine/correction digital gains + void set_rx_digital_gain(float gain) { //fine digital gain if(_iface->get_hw_rev() >= USRP2P_FIRST_HW_REV) { - int fine_gain = int(gain/0.5); - _ads62p44_regs.fine_gain = fine_gain; //hey what about when it calls for 6.5dB? - _ads62p44_regs.gain_correction = (gain - (double(fine_gain) * 0.5)) / 0.05; + _ads62p44_regs.fine_gain = int(gain/0.5); this->send_ads62p44_reg(0x17); + } else UHD_THROW_INVALID_CODE_PATH(); //should never have been called for USRP2 + } + + void set_rx_digital_fine_gain(float gain) { //gain correction + if(_iface->get_hw_rev() >= USRP2P_FIRST_HW_REV) { + _ads62p44_regs.gain_correction = int(gain / 0.05); this->send_ads62p44_reg(0x1A); } else UHD_THROW_INVALID_CODE_PATH(); //should never have been called for USRP2 } |