diff options
Diffstat (limited to 'host/lib/usrp')
| -rw-r--r-- | host/lib/usrp/dboard/db_tvrx2.cpp | 33 |
1 files changed, 8 insertions, 25 deletions
diff --git a/host/lib/usrp/dboard/db_tvrx2.cpp b/host/lib/usrp/dboard/db_tvrx2.cpp index df35b0f7c..0bfa5229a 100644 --- a/host/lib/usrp/dboard/db_tvrx2.cpp +++ b/host/lib/usrp/dboard/db_tvrx2.cpp @@ -702,9 +702,7 @@ static const std::vector<tvrx2_tda18272_freq_map_t> tvrx2_tda18272_freq_map = li ( tvrx2_tda18272_freq_map_t(969728000, 0x00, 0x0A, 3) ) ; -static const freq_range_t tvrx2_rf_freq_range(42e6, 870e6); - -static const freq_range_t tvrx2_lo_offset_range(25e3, 12.5e6); +static const freq_range_t tvrx2_freq_range(42e6, 870e6); static const freq_range_t tvrx2_bandwidth_range = list_of (range_t(1.7e6)) @@ -770,7 +768,6 @@ private: bool set_enabled(bool); double set_lo_freq(double target_freq); - double set_lo_offset(double lo_offset); double set_gain(double gain, const std::string &name); double set_bandwidth(double bandwidth); @@ -974,7 +971,7 @@ tvrx2::tvrx2(ctor_args_t args) : rx_dboard_base(args){ this->get_rx_subtree()->create<double>("freq/value") .coerce(boost::bind(&tvrx2::set_lo_freq, this, _1)); this->get_rx_subtree()->create<meta_range_t>("freq/range") - .set(tvrx2_rf_freq_range); + .set(tvrx2_freq_range); this->get_rx_subtree()->create<std::string>("antenna/value") .set(tvrx2_sd_name_to_antennas[get_subdev_name()]); this->get_rx_subtree()->create<std::vector<std::string> >("antenna/options") @@ -985,12 +982,7 @@ tvrx2::tvrx2(ctor_args_t args) : rx_dboard_base(args){ .coerce(boost::bind(&tvrx2::set_enabled, this, _1)) .set(_enabled); this->get_rx_subtree()->create<bool>("use_lo_offset") - .set(true); - this->get_rx_subtree()->create<double>("lo_offset/value") - .coerce(boost::bind(&tvrx2::set_lo_offset, this, _1)) - .set(-_if_freq/2.0); - this->get_rx_subtree()->create<meta_range_t>("lo_offset/range") - .set(tvrx2_lo_offset_range); + .set(false); this->get_rx_subtree()->create<double>("bandwidth/value") .coerce(boost::bind(&tvrx2::set_bandwidth, this, _1)) .set(_bandwidth); @@ -1059,7 +1051,7 @@ bool tvrx2::set_enabled(bool enable){ //setup tuner parameters transition_1(); - transition_2(int(tvrx2_rf_freq_range.start())); + transition_2(int(tvrx2_freq_range.start())); test_rf_filter_robustness(); @@ -1073,7 +1065,7 @@ bool tvrx2::set_enabled(bool enable){ //transition_2 equivalent this->get_rx_subtree()->access<double>("freq/value") - .set(tvrx2_rf_freq_range.start()); + .set(tvrx2_freq_range.start()); //enter standby mode transition_3(); @@ -1109,8 +1101,6 @@ double tvrx2::get_scaled_rf_freq(void){ void tvrx2::set_scaled_if_freq(double if_freq){ _tda18272hnm_regs.if_freq = int(_freq_scalar*if_freq/(50e3)); //max 12.8MHz?? - send_reg(0x15, 0x15); - _if_freq = get_scaled_if_freq(); } double tvrx2::get_scaled_if_freq(void){ @@ -1732,14 +1722,14 @@ void tvrx2::wait_irq(void){ * Tuning **********************************************************************/ double tvrx2::set_lo_freq(double target_freq){ - //target_freq = std::clip(target_freq, tvrx2_rf_freq_range.min, tvrx2_rf_freq_range.max); + //target_freq = std::clip(target_freq, tvrx2_freq_range.min, tvrx2_freq_range.max); read_reg(0x6, 0x6); if (_tda18272hnm_regs.sm == tda18272hnm_regs_t::SM_STANDBY) { - transition_2(int(target_freq + get_scaled_if_freq())); + transition_2(int(target_freq + _bandwidth/2 - get_scaled_if_freq())); } else { - transition_4(int(target_freq + get_scaled_if_freq())); + transition_4(int(target_freq + _bandwidth/2 - get_scaled_if_freq())); } read_reg(0x16, 0x18); @@ -1765,13 +1755,6 @@ double tvrx2::set_lo_freq(double target_freq){ return _lo_freq; } -double tvrx2::set_lo_offset(double lo_offset){ - lo_offset = tvrx2_lo_offset_range.clip(lo_offset); - set_scaled_if_freq(-lo_offset*2.0); - return -get_scaled_if_freq()/2.0; -} - - /*********************************************************************** * Gain Handling **********************************************************************/ |