diff options
Diffstat (limited to 'host/lib/usrp/dboard/db_wbx.cpp')
| -rw-r--r-- | host/lib/usrp/dboard/db_wbx.cpp | 36 |
1 files changed, 18 insertions, 18 deletions
diff --git a/host/lib/usrp/dboard/db_wbx.cpp b/host/lib/usrp/dboard/db_wbx.cpp index dd5bd600b..135997789 100644 --- a/host/lib/usrp/dboard/db_wbx.cpp +++ b/host/lib/usrp/dboard/db_wbx.cpp @@ -1,5 +1,5 @@ // -// Copyright 2010 Ettus Research LLC +// Copyright 2010-2011 Ettus Research LLC // // This program is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by @@ -94,11 +94,11 @@ static const prop_names_t wbx_tx_antennas = list_of("TX/RX"); static const prop_names_t wbx_rx_antennas = list_of("TX/RX")("RX2"); static const uhd::dict<std::string, gain_range_t> wbx_tx_gain_ranges = map_list_of - ("PGA0", gain_range_t(0, 25, float(0.05))) + ("PGA0", gain_range_t(0, 25, 0.05)) ; static const uhd::dict<std::string, gain_range_t> wbx_rx_gain_ranges = map_list_of - ("PGA0", gain_range_t(0, 31.5, float(0.5))) + ("PGA0", gain_range_t(0, 31.5, 0.5)) ; /*********************************************************************** @@ -116,7 +116,7 @@ public: void tx_set(const wax::obj &key, const wax::obj &val); private: - uhd::dict<std::string, float> _tx_gains, _rx_gains; + uhd::dict<std::string, double> _tx_gains, _rx_gains; double _rx_lo_freq, _tx_lo_freq; std::string _tx_ant, _rx_ant; @@ -124,8 +124,8 @@ private: void set_tx_lo_freq(double freq); void set_rx_ant(const std::string &ant); void set_tx_ant(const std::string &ant); - void set_rx_gain(float gain, const std::string &name); - void set_tx_gain(float gain, const std::string &name); + void set_rx_gain(double gain, const std::string &name); + void set_tx_gain(double gain, const std::string &name); void update_atr(void); @@ -196,12 +196,12 @@ wbx_xcvr::~wbx_xcvr(void){ /*********************************************************************** * Gain Handling **********************************************************************/ -static int rx_pga0_gain_to_iobits(float &gain){ +static int rx_pga0_gain_to_iobits(double &gain){ //clip the input gain = wbx_rx_gain_ranges["PGA0"].clip(gain); //convert to attenuation and update iobits for atr - float attn = wbx_rx_gain_ranges["PGA0"].stop() - gain; + double attn = wbx_rx_gain_ranges["PGA0"].stop() - gain; //calculate the attenuation int attn_code = boost::math::iround(attn*2); @@ -212,21 +212,21 @@ static int rx_pga0_gain_to_iobits(float &gain){ ) % attn % attn_code % (iobits & RX_ATTN_MASK) % RX_ATTN_MASK << std::endl; //the actual gain setting - gain = wbx_rx_gain_ranges["PGA0"].stop() - float(attn_code)/2; + gain = wbx_rx_gain_ranges["PGA0"].stop() - double(attn_code)/2; return iobits; } -static float tx_pga0_gain_to_dac_volts(float &gain){ +static double tx_pga0_gain_to_dac_volts(double &gain){ //clip the input gain = wbx_tx_gain_ranges["PGA0"].clip(gain); //voltage level constants - static const float max_volts = float(0.5), min_volts = float(1.4); - static const float slope = (max_volts-min_volts)/wbx_tx_gain_ranges["PGA0"].stop(); + static const double max_volts = 0.5, min_volts = 1.4; + static const double slope = (max_volts-min_volts)/wbx_tx_gain_ranges["PGA0"].stop(); //calculate the voltage for the aux dac - float dac_volts = gain*slope + min_volts; + double dac_volts = gain*slope + min_volts; if (wbx_debug) std::cerr << boost::format( "WBX TX Gain: %f dB, dac_volts: %f V" @@ -238,10 +238,10 @@ static float tx_pga0_gain_to_dac_volts(float &gain){ return dac_volts; } -void wbx_xcvr::set_tx_gain(float gain, const std::string &name){ +void wbx_xcvr::set_tx_gain(double gain, const std::string &name){ assert_has(wbx_tx_gain_ranges.keys(), name, "wbx tx gain name"); if(name == "PGA0"){ - float dac_volts = tx_pga0_gain_to_dac_volts(gain); + double dac_volts = tx_pga0_gain_to_dac_volts(gain); _tx_gains[name] = gain; //write the new voltage to the aux dac @@ -250,7 +250,7 @@ void wbx_xcvr::set_tx_gain(float gain, const std::string &name){ else UHD_THROW_INVALID_CODE_PATH(); } -void wbx_xcvr::set_rx_gain(float gain, const std::string &name){ +void wbx_xcvr::set_rx_gain(double gain, const std::string &name){ assert_has(wbx_rx_gain_ranges.keys(), name, "wbx rx gain name"); if(name == "PGA0"){ rx_pga0_gain_to_iobits(gain); @@ -544,7 +544,7 @@ void wbx_xcvr::rx_set(const wax::obj &key_, const wax::obj &val){ return; case SUBDEV_PROP_GAIN: - this->set_rx_gain(val.as<float>(), key.name); + this->set_rx_gain(val.as<double>(), key.name); return; case SUBDEV_PROP_ANTENNA: @@ -645,7 +645,7 @@ void wbx_xcvr::tx_set(const wax::obj &key_, const wax::obj &val){ return; case SUBDEV_PROP_GAIN: - this->set_tx_gain(val.as<float>(), key.name); + this->set_tx_gain(val.as<double>(), key.name); return; case SUBDEV_PROP_ANTENNA: |