diff options
Diffstat (limited to 'host/lib/usrp/dboard')
-rw-r--r-- | host/lib/usrp/dboard/db_basic_and_lf.cpp | 14 | ||||
-rw-r--r-- | host/lib/usrp/dboard/db_dbsrx.cpp | 7 | ||||
-rw-r--r-- | host/lib/usrp/dboard/db_rfx.cpp | 14 | ||||
-rw-r--r-- | host/lib/usrp/dboard/db_tvrx.cpp | 118 | ||||
-rw-r--r-- | host/lib/usrp/dboard/db_unknown.cpp | 14 | ||||
-rw-r--r-- | host/lib/usrp/dboard/db_wbx.cpp | 14 | ||||
-rw-r--r-- | host/lib/usrp/dboard/db_xcvr2450.cpp | 14 |
7 files changed, 140 insertions, 55 deletions
diff --git a/host/lib/usrp/dboard/db_basic_and_lf.cpp b/host/lib/usrp/dboard/db_basic_and_lf.cpp index 4b0d8bf27..41f6f8002 100644 --- a/host/lib/usrp/dboard/db_basic_and_lf.cpp +++ b/host/lib/usrp/dboard/db_basic_and_lf.cpp @@ -149,6 +149,10 @@ void basic_rx::rx_get(const wax::obj &key_, wax::obj &val){ val = sd_name_to_conn[get_subdev_name()]; return; + case SUBDEV_PROP_ENABLED: + val = true; //always enabled + return; + case SUBDEV_PROP_USE_LO_OFFSET: val = false; return; @@ -178,6 +182,9 @@ void basic_rx::rx_set(const wax::obj &key_, const wax::obj &val){ case SUBDEV_PROP_FREQ: return; // it wont do you much good, but you can set it + case SUBDEV_PROP_ENABLED: + return; //always enabled + default: UHD_THROW_PROP_SET_ERROR(); } } @@ -241,6 +248,10 @@ void basic_tx::tx_get(const wax::obj &key_, wax::obj &val){ val = sd_name_to_conn[get_subdev_name()]; return; + case SUBDEV_PROP_ENABLED: + val = true; //always enabled + return; + case SUBDEV_PROP_USE_LO_OFFSET: val = false; return; @@ -270,6 +281,9 @@ void basic_tx::tx_set(const wax::obj &key_, const wax::obj &val){ case SUBDEV_PROP_FREQ: return; // it wont do you much good, but you can set it + case SUBDEV_PROP_ENABLED: + return; //always enabled + default: UHD_THROW_PROP_SET_ERROR(); } } diff --git a/host/lib/usrp/dboard/db_dbsrx.cpp b/host/lib/usrp/dboard/db_dbsrx.cpp index 81434f054..23cafea53 100644 --- a/host/lib/usrp/dboard/db_dbsrx.cpp +++ b/host/lib/usrp/dboard/db_dbsrx.cpp @@ -551,6 +551,10 @@ void dbsrx::rx_get(const wax::obj &key_, wax::obj &val){ val = SUBDEV_CONN_COMPLEX_IQ; return; + case SUBDEV_PROP_ENABLED: + val = true; //always enabled + return; + case SUBDEV_PROP_USE_LO_OFFSET: val = false; return; @@ -587,6 +591,9 @@ void dbsrx::rx_set(const wax::obj &key_, const wax::obj &val){ this->set_gain(val.as<float>(), key.name); return; + case SUBDEV_PROP_ENABLED: + return; //always enabled + case SUBDEV_PROP_BANDWIDTH: this->set_bandwidth(val.as<float>()); return; diff --git a/host/lib/usrp/dboard/db_rfx.cpp b/host/lib/usrp/dboard/db_rfx.cpp index c3ab96e59..cfc34381e 100644 --- a/host/lib/usrp/dboard/db_rfx.cpp +++ b/host/lib/usrp/dboard/db_rfx.cpp @@ -444,6 +444,10 @@ void rfx_xcvr::rx_get(const wax::obj &key_, wax::obj &val){ val = SUBDEV_CONN_COMPLEX_QI; return; + case SUBDEV_PROP_ENABLED: + val = true; //always enabled + return; + case SUBDEV_PROP_USE_LO_OFFSET: val = false; return; @@ -474,6 +478,9 @@ void rfx_xcvr::rx_set(const wax::obj &key_, const wax::obj &val){ this->set_rx_ant(val.as<std::string>()); return; + case SUBDEV_PROP_ENABLED: + return; //always enabled + default: UHD_THROW_PROP_SET_ERROR(); } } @@ -524,6 +531,10 @@ void rfx_xcvr::tx_get(const wax::obj &key_, wax::obj &val){ val = SUBDEV_CONN_COMPLEX_IQ; return; + case SUBDEV_PROP_ENABLED: + val = true; //always enabled + return; + case SUBDEV_PROP_USE_LO_OFFSET: val = true; return; @@ -554,6 +565,9 @@ void rfx_xcvr::tx_set(const wax::obj &key_, const wax::obj &val){ this->set_tx_ant(val.as<std::string>()); return; + case SUBDEV_PROP_ENABLED: + return; //always enabled + default: UHD_THROW_PROP_SET_ERROR(); } } diff --git a/host/lib/usrp/dboard/db_tvrx.cpp b/host/lib/usrp/dboard/db_tvrx.cpp index 41c52fbf5..b1fc2ea76 100644 --- a/host/lib/usrp/dboard/db_tvrx.cpp +++ b/host/lib/usrp/dboard/db_tvrx.cpp @@ -66,25 +66,25 @@ static const uhd::dict<std::string, freq_range_t> tvrx_freq_ranges = map_list_of ("UHF" , freq_range_t(454e6, 860e6)) ; -static const boost::array<float, 17> vhflo_gains_db = +static const boost::array<double, 17> vhflo_gains_db = {{-6.00000, -6.00000, -6.00000, -4.00000, 0.00000, 5.00000, 10.00000, 17.40000, 26.30000, 36.00000, 43.00000, 48.00000, 49.50000, 50.10000, 50.30000, 50.30000, 50.30000}}; - -static const boost::array<float, 17> vhfhi_gains_db = + +static const boost::array<double, 17> vhfhi_gains_db = {{13.3000, -13.3000, -13.3000, -1.0000, 7.7000, 11.0000, 14.7000, 19.3000, 26.1000, 36.0000, 42.7000, 46.0000, 47.0000, 47.8000, 48.2000, 48.2000, 48.2000}}; - -static const boost::array<float, 17> uhf_gains_db = + +static const boost::array<double, 17> uhf_gains_db = {{-8.0000, -8.0000, -7.0000, 4.0000, 10.2000, 14.5000, 17.5000, 20.0000, 24.5000, 30.8000, 37.0000, 39.8000, 40.7000, 41.6000, 42.6000, 43.2000, 43.8000}}; - -static const boost::array<float, 17> tvrx_if_gains_db = + +static const boost::array<double, 17> tvrx_if_gains_db = {{-1.50000, -1.50000, -1.50000, -1.00000, 0.20000, 2.10000, 4.30000, 6.40000, 9.00000, 12.00000, 14.80000, 18.20000, 26.10000, 32.50000, 32.50000, @@ -96,32 +96,32 @@ static const boost::array<float, 17> tvrx_if_gains_db = //need dang near as many coefficients as to just map it like this and interp. //these numbers are culled from the 4937DI5 datasheet and are probably totally inaccurate //but if it's better than the old linear fit i'm happy -static const uhd::dict<std::string, boost::array<float, 17> > tvrx_rf_gains_db = map_list_of +static const uhd::dict<std::string, boost::array<double, 17> > tvrx_rf_gains_db = map_list_of ("VHFLO", vhflo_gains_db) ("VHFHI", vhfhi_gains_db) ("UHF" , uhf_gains_db) ; //sample voltages for the above points -static const boost::array<float, 17> tvrx_gains_volts = +static const boost::array<double, 17> tvrx_gains_volts = {{0.8, 1.0, 1.2, 1.4, 1.6, 1.8, 2.0, 2.2, 2.4, 2.6, 2.8, 3.0, 3.2, 3.4, 3.6, 3.8, 4.0}}; static uhd::dict<std::string, gain_range_t> get_tvrx_gain_ranges(void) { - float rfmax = 0.0, rfmin = FLT_MAX; + double rfmax = 0.0, rfmin = FLT_MAX; BOOST_FOREACH(const std::string range, tvrx_rf_gains_db.keys()) { - float my_max = tvrx_rf_gains_db[range].back(); //we're assuming it's monotonic - float my_min = tvrx_rf_gains_db[range].front(); //if it's not this is wrong wrong wrong + double my_max = tvrx_rf_gains_db[range].back(); //we're assuming it's monotonic + double my_min = tvrx_rf_gains_db[range].front(); //if it's not this is wrong wrong wrong if(my_max > rfmax) rfmax = my_max; if(my_min < rfmin) rfmin = my_min; } - - float ifmin = tvrx_if_gains_db.front(); - float ifmax = tvrx_if_gains_db.back(); - + + double ifmin = tvrx_if_gains_db.front(); + double ifmax = tvrx_if_gains_db.back(); + return map_list_of - ("RF", gain_range_t(rfmin, rfmax, (rfmax-rfmin)/4096.0)) - ("IF", gain_range_t(ifmin, ifmax, (ifmax-ifmin)/4096.0)) - ; + ("RF", gain_range_t(float(rfmin), float(rfmax), float((rfmax-rfmin)/4096.0))) + ("IF", gain_range_t(float(ifmin), float(ifmax), float((ifmax-ifmin)/4096.0))) + ; } static const double opamp_gain = 1.22; //onboard DAC opamp gain @@ -136,7 +136,7 @@ class tvrx : public rx_dboard_base{ public: tvrx(ctor_args_t args); ~tvrx(void); - + void rx_get(const wax::obj &key, wax::obj &val); void rx_set(const wax::obj &key, const wax::obj &val); @@ -198,11 +198,11 @@ tvrx::tvrx(ctor_args_t args) : rx_dboard_base(args){ } //send initial register settings if necessary - + //set default freq _lo_freq = tvrx_freq_range.min + tvrx_if_freq; //init _lo_freq to a sane default set_freq(tvrx_freq_range.min); - + //set default gains BOOST_FOREACH(const std::string &name, get_tvrx_gain_ranges().keys()){ set_gain(get_tvrx_gain_ranges()[name].min, name); @@ -238,33 +238,33 @@ static std::string get_band(double freq) { * \return a voltage to feed the TVRX analog gain */ -static float gain_interp(float gain, boost::array<float, 17> db_vector, boost::array<float, 17> volts_vector) { - float volts; - gain = std::clip<float>(gain, db_vector.front(), db_vector.back()); //let's not get carried away here - +static double gain_interp(double gain, boost::array<double, 17> db_vector, boost::array<double, 17> volts_vector) { + double volts; + gain = std::clip<double>(gain, db_vector.front(), db_vector.back()); //let's not get carried away here + boost::uint8_t gain_step = 0; //find which bin we're in for(size_t i = 0; i < db_vector.size()-1; i++) { if(gain >= db_vector[i] && gain <= db_vector[i+1]) gain_step = i; } - + //find the current slope for linear interpolation - float slope = (volts_vector[gain_step + 1] - volts_vector[gain_step]) + double slope = (volts_vector[gain_step + 1] - volts_vector[gain_step]) / (db_vector[gain_step + 1] - db_vector[gain_step]); - + //the problem here is that for gains approaching the maximum, the voltage slope becomes infinite //i.e., a small change in gain requires an infinite change in voltage //to cope, we limit the slope - - if(slope == std::numeric_limits<float>::infinity()) + + if(slope == std::numeric_limits<double>::infinity()) return volts_vector[gain_step]; //use the volts per dB slope to find the final interpolated voltage volts = volts_vector[gain_step] + (slope * (gain - db_vector[gain_step])); - + if(tvrx_debug) std::cout << "Gain interp: gain: " << gain << ", gain_step: " << int(gain_step) << ", slope: " << slope << ", volts: " << volts << std::endl; - + return volts; } @@ -283,17 +283,17 @@ static float rf_gain_to_voltage(float gain, double lo_freq){ std::string band = get_band(lo_freq + tvrx_if_freq); //this is the voltage at the TVRX gain input - float gain_volts = gain_interp(gain, tvrx_rf_gains_db[band], tvrx_gains_volts); + double gain_volts = gain_interp(gain, tvrx_rf_gains_db[band], tvrx_gains_volts); //this is the voltage at the USRP DAC output - float dac_volts = gain_volts / opamp_gain; - - dac_volts = std::clip<float>(dac_volts, 0.0, 3.3); + double dac_volts = gain_volts / opamp_gain; + + dac_volts = std::clip<double>(dac_volts, 0.0, 3.3); if (tvrx_debug) std::cerr << boost::format( "tvrx RF AGC gain: %f dB, dac_volts: %f V" ) % gain % dac_volts << std::endl; - return dac_volts; + return float(dac_volts); } /*! @@ -306,17 +306,17 @@ static float rf_gain_to_voltage(float gain, double lo_freq){ static float if_gain_to_voltage(float gain){ //clip the input gain = std::clip<float>(gain, get_tvrx_gain_ranges()["IF"].min, get_tvrx_gain_ranges()["IF"].max); - - float gain_volts = gain_interp(gain, tvrx_if_gains_db, tvrx_gains_volts); - float dac_volts = gain_volts / opamp_gain; - - dac_volts = std::clip<float>(dac_volts, 0.0, 3.3); + + double gain_volts = gain_interp(gain, tvrx_if_gains_db, tvrx_gains_volts); + double dac_volts = gain_volts / opamp_gain; + + dac_volts = std::clip<double>(dac_volts, 0.0, 3.3); if (tvrx_debug) std::cerr << boost::format( "tvrx IF AGC gain: %f dB, dac_volts: %f V" ) % gain % dac_volts << std::endl; - return dac_volts; + return float(dac_volts); } void tvrx::set_gain(float gain, const std::string &name){ @@ -337,27 +337,27 @@ void tvrx::set_gain(float gain, const std::string &name){ */ void tvrx::set_freq(double freq) { - freq = std::clip<float>(freq, tvrx_freq_range.min, tvrx_freq_range.max); + freq = std::clip<double>(freq, tvrx_freq_range.min, tvrx_freq_range.max); std::string prev_band = get_band(_lo_freq - tvrx_if_freq); std::string new_band = get_band(freq); - + double target_lo_freq = freq + tvrx_if_freq; //the desired LO freq for high-side mixing double f_ref = reference_freq / double(reference_divider); //your tuning step size - + int divisor = int((target_lo_freq + (f_ref * 4.0)) / (f_ref * 8)); //the divisor we'll use double actual_lo_freq = (f_ref * 8 * divisor); //the LO freq we'll actually get - + if((divisor & ~0x7fff)) UHD_THROW_INVALID_CODE_PATH(); - + //now we update the registers _tuner_4937di5_regs.db1 = (divisor >> 8) & 0xff; _tuner_4937di5_regs.db2 = divisor & 0xff; - + if(new_band == "VHFLO") _tuner_4937di5_regs.bandsel = tuner_4937di5_regs_t::BANDSEL_VHFLO; else if(new_band == "VHFHI") _tuner_4937di5_regs.bandsel = tuner_4937di5_regs_t::BANDSEL_VHFHI; else if(new_band == "UHF") _tuner_4937di5_regs.bandsel = tuner_4937di5_regs_t::BANDSEL_UHF; else UHD_THROW_INVALID_CODE_PATH(); - + _tuner_4937di5_regs.power = tuner_4937di5_regs_t::POWER_OFF; update_regs(); @@ -365,10 +365,10 @@ void tvrx::set_freq(double freq) { //we do this because the gains are different for different band settings //not FAR off, but we do this to be consistent if(prev_band != new_band) set_gain(_gains["RF"], "RF"); - - if(tvrx_debug) + + if(tvrx_debug) std::cout << boost::format("set_freq: target LO: %f f_ref: %f divisor: %i actual LO: %f") % target_lo_freq % f_ref % divisor % actual_lo_freq << std::endl; - + _lo_freq = actual_lo_freq; //for rx props } @@ -422,7 +422,7 @@ void tvrx::rx_get(const wax::obj &key_, wax::obj &val){ return; case SUBDEV_PROP_FREQ: - /* + /* * so here we have to do some magic. because the TVRX uses a relatively high IF, * we have to watch the sample rate to see if the IF will be aliased * or if it will fall within Nyquist. @@ -447,6 +447,10 @@ void tvrx::rx_get(const wax::obj &key_, wax::obj &val){ val = SUBDEV_CONN_COMPLEX_IQ; return; + case SUBDEV_PROP_ENABLED: + val = true; //always enabled + return; + case SUBDEV_PROP_USE_LO_OFFSET: val = false; return; @@ -467,10 +471,14 @@ void tvrx::rx_set(const wax::obj &key_, const wax::obj &val){ case SUBDEV_PROP_GAIN: this->set_gain(val.as<float>(), key.name); return; + case SUBDEV_PROP_FREQ: this->set_freq(val.as<double>()); return; + case SUBDEV_PROP_ENABLED: + return; //always enabled + default: UHD_THROW_PROP_SET_ERROR(); } } diff --git a/host/lib/usrp/dboard/db_unknown.cpp b/host/lib/usrp/dboard/db_unknown.cpp index f6f4f4a61..ec7ab440b 100644 --- a/host/lib/usrp/dboard/db_unknown.cpp +++ b/host/lib/usrp/dboard/db_unknown.cpp @@ -122,6 +122,10 @@ void unknown_rx::rx_get(const wax::obj &key_, wax::obj &val){ val = SUBDEV_CONN_COMPLEX_IQ; return; + case SUBDEV_PROP_ENABLED: + val = true; //always enabled + return; + case SUBDEV_PROP_USE_LO_OFFSET: val = false; return; @@ -151,6 +155,9 @@ void unknown_rx::rx_set(const wax::obj &key_, const wax::obj &val){ case SUBDEV_PROP_FREQ: return; // it wont do you much good, but you can set it + case SUBDEV_PROP_ENABLED: + return; //always enabled + default: UHD_THROW_PROP_SET_ERROR(); } } @@ -211,6 +218,10 @@ void unknown_tx::tx_get(const wax::obj &key_, wax::obj &val){ val = SUBDEV_CONN_COMPLEX_IQ; return; + case SUBDEV_PROP_ENABLED: + val = true; //always enabled + return; + case SUBDEV_PROP_USE_LO_OFFSET: val = false; return; @@ -240,6 +251,9 @@ void unknown_tx::tx_set(const wax::obj &key_, const wax::obj &val){ case SUBDEV_PROP_FREQ: return; // it wont do you much good, but you can set it + case SUBDEV_PROP_ENABLED: + return; //always enabled + default: UHD_THROW_PROP_SET_ERROR(); } } diff --git a/host/lib/usrp/dboard/db_wbx.cpp b/host/lib/usrp/dboard/db_wbx.cpp index e473ce41e..907268aac 100644 --- a/host/lib/usrp/dboard/db_wbx.cpp +++ b/host/lib/usrp/dboard/db_wbx.cpp @@ -513,6 +513,10 @@ void wbx_xcvr::rx_get(const wax::obj &key_, wax::obj &val){ val = SUBDEV_CONN_COMPLEX_IQ; return; + case SUBDEV_PROP_ENABLED: + val = true; //always enabled + return; + case SUBDEV_PROP_USE_LO_OFFSET: val = false; return; @@ -543,6 +547,9 @@ void wbx_xcvr::rx_set(const wax::obj &key_, const wax::obj &val){ this->set_rx_ant(val.as<std::string>()); return; + case SUBDEV_PROP_ENABLED: + return; //always enabled + default: UHD_THROW_PROP_SET_ERROR(); } } @@ -597,6 +604,10 @@ void wbx_xcvr::tx_get(const wax::obj &key_, wax::obj &val){ val = SUBDEV_CONN_COMPLEX_IQ; return; + case SUBDEV_PROP_ENABLED: + val = true; //always enabled + return; + case SUBDEV_PROP_USE_LO_OFFSET: val = false; return; @@ -627,6 +638,9 @@ void wbx_xcvr::tx_set(const wax::obj &key_, const wax::obj &val){ this->set_tx_ant(val.as<std::string>()); return; + case SUBDEV_PROP_ENABLED: + return; //always enabled + default: UHD_THROW_PROP_SET_ERROR(); } } diff --git a/host/lib/usrp/dboard/db_xcvr2450.cpp b/host/lib/usrp/dboard/db_xcvr2450.cpp index 798ff74a3..0ee133f3d 100644 --- a/host/lib/usrp/dboard/db_xcvr2450.cpp +++ b/host/lib/usrp/dboard/db_xcvr2450.cpp @@ -484,6 +484,10 @@ void xcvr2450::rx_get(const wax::obj &key_, wax::obj &val){ val = SUBDEV_CONN_COMPLEX_IQ; return; + case SUBDEV_PROP_ENABLED: + val = true; //always enabled + return; + case SUBDEV_PROP_USE_LO_OFFSET: val = false; return; @@ -518,6 +522,9 @@ void xcvr2450::rx_set(const wax::obj &key_, const wax::obj &val){ this->set_rx_ant(val.as<std::string>()); return; + case SUBDEV_PROP_ENABLED: + return; //always enabled + default: UHD_THROW_PROP_SET_ERROR(); } } @@ -572,6 +579,10 @@ void xcvr2450::tx_get(const wax::obj &key_, wax::obj &val){ val = SUBDEV_CONN_COMPLEX_QI; return; + case SUBDEV_PROP_ENABLED: + val = true; //always enabled + return; + case SUBDEV_PROP_USE_LO_OFFSET: val = false; return; @@ -602,6 +613,9 @@ void xcvr2450::tx_set(const wax::obj &key_, const wax::obj &val){ this->set_tx_ant(val.as<std::string>()); return; + case SUBDEV_PROP_ENABLED: + return; //always enabled + default: UHD_THROW_PROP_SET_ERROR(); } } |