From 08dfff379865656e94b31fd565a4b13b4609ea63 Mon Sep 17 00:00:00 2001 From: Josh Blum Date: Mon, 1 Nov 2010 18:56:38 -0700 Subject: uhd: created a meta range that is a range of ranges for gains and freqs created a templated range that that holds a start, stop, and step created a meta-range template that is a vector of ranges meta-range can calculate the overall start, stop, step or be indexed to get at components replaced instances of range.min, max, step with the functions start() stop() and step() the xcvr frequency range is now expressed in as two ranges (have to fix its clip function though) --- host/lib/types.cpp | 19 ----------------- host/lib/usrp/dboard/db_dbsrx.cpp | 16 +++++++-------- host/lib/usrp/dboard/db_rfx.cpp | 40 +++++++++++++++++------------------- host/lib/usrp/dboard/db_tvrx.cpp | 14 ++++++------- host/lib/usrp/dboard/db_wbx.cpp | 20 +++++++++--------- host/lib/usrp/dboard/db_xcvr2450.cpp | 22 ++++++++------------ host/lib/usrp/usrp1/codec_ctrl.cpp | 8 ++++---- host/lib/usrp/wrapper_utils.hpp | 2 +- host/lib/utils/gain_group.cpp | 22 ++++++++++---------- 9 files changed, 68 insertions(+), 95 deletions(-) (limited to 'host/lib') diff --git a/host/lib/types.cpp b/host/lib/types.cpp index e5e6a2512..8ccb664d5 100644 --- a/host/lib/types.cpp +++ b/host/lib/types.cpp @@ -16,7 +16,6 @@ // #include -#include #include #include #include @@ -40,24 +39,6 @@ using namespace uhd; -/*********************************************************************** - * ranges - **********************************************************************/ -gain_range_t::gain_range_t(float min, float max, float step): - min(min), - max(max), - step(step) -{ - /* NOP */ -} - -freq_range_t::freq_range_t(double min, double max): - min(min), - max(max) -{ - /* NOP */ -} - /*********************************************************************** * tune request **********************************************************************/ diff --git a/host/lib/usrp/dboard/db_dbsrx.cpp b/host/lib/usrp/dboard/db_dbsrx.cpp index 85251bdf9..70bf03158 100644 --- a/host/lib/usrp/dboard/db_dbsrx.cpp +++ b/host/lib/usrp/dboard/db_dbsrx.cpp @@ -212,10 +212,10 @@ dbsrx::dbsrx(ctor_args_t args) : rx_dboard_base(args){ //set defaults for LO, gains, and filter bandwidth _bandwidth = 33e6; - set_lo_freq(dbsrx_freq_range.min); + set_lo_freq(dbsrx_freq_range.start()); BOOST_FOREACH(const std::string &name, dbsrx_gain_ranges.keys()){ - set_gain(dbsrx_gain_ranges[name].min, name); + set_gain(dbsrx_gain_ranges[name].start(), name); } set_bandwidth(33e6); // default bandwidth from datasheet @@ -229,7 +229,7 @@ dbsrx::~dbsrx(void){ * Tuning **********************************************************************/ void dbsrx::set_lo_freq(double target_freq){ - target_freq = std::clip(target_freq, dbsrx_freq_range.min, dbsrx_freq_range.max); + target_freq = std::clip(target_freq, dbsrx_freq_range.start(), dbsrx_freq_range.stop()); double actual_freq=0.0, pfd_freq=0.0, ref_clock=0.0; int R=0, N=0, r=0, m=0; @@ -261,7 +261,7 @@ void dbsrx::set_lo_freq(double target_freq){ pfd_freq = ref_clock / R; //constrain the PFD frequency to specified range - if ((pfd_freq < dbsrx_pfd_freq_range.min) or (pfd_freq > dbsrx_pfd_freq_range.max)) continue; + if ((pfd_freq < dbsrx_pfd_freq_range.start()) or (pfd_freq > dbsrx_pfd_freq_range.stop())) continue; //compute N N = int(std::floor(target_freq/pfd_freq)); @@ -278,7 +278,7 @@ void dbsrx::set_lo_freq(double target_freq){ //Assert because we failed to find a suitable combination of ref_clock, R and N UHD_ASSERT_THROW(ref_clock <= 27.0e6 and ref_clock >= 0.0); UHD_ASSERT_THROW(ref_clock/m >= 1e6 and ref_clock/m <= 2.5e6); - UHD_ASSERT_THROW((pfd_freq >= dbsrx_pfd_freq_range.min) and (pfd_freq <= dbsrx_pfd_freq_range.max)); + UHD_ASSERT_THROW((pfd_freq >= dbsrx_pfd_freq_range.start()) and (pfd_freq <= dbsrx_pfd_freq_range.stop())); UHD_ASSERT_THROW((N >= 256) and (N <= 32768)); if(dbsrx_debug) std::cerr << boost::format( @@ -417,7 +417,7 @@ void dbsrx::set_lo_freq(double target_freq){ */ static int gain_to_gc2_vga_reg(float &gain){ int reg = 0; - gain = std::clip(float(boost::math::iround(gain)), dbsrx_gain_ranges["GC2"].min, dbsrx_gain_ranges["GC2"].max); + gain = std::clip(gain, dbsrx_gain_ranges["GC2"].start(), dbsrx_gain_ranges["GC2"].stop()); // Half dB steps from 0-5dB, 1dB steps from 5-24dB if (gain < 5) { @@ -443,11 +443,11 @@ static int gain_to_gc2_vga_reg(float &gain){ */ static float gain_to_gc1_rfvga_dac(float &gain){ //clip the input - gain = std::clip(gain, dbsrx_gain_ranges["GC1"].min, dbsrx_gain_ranges["GC1"].max); + gain = std::clip(gain, dbsrx_gain_ranges["GC1"].start(), dbsrx_gain_ranges["GC1"].stop()); //voltage level constants static const float max_volts = float(1.2), min_volts = float(2.7); - static const float slope = (max_volts-min_volts)/dbsrx_gain_ranges["GC1"].max; + static const float slope = (max_volts-min_volts)/dbsrx_gain_ranges["GC1"].stop(); //calculate the voltage for the aux dac float dac_volts = gain*slope + min_volts; diff --git a/host/lib/usrp/dboard/db_rfx.cpp b/host/lib/usrp/dboard/db_rfx.cpp index 152198c3a..bb9e19708 100644 --- a/host/lib/usrp/dboard/db_rfx.cpp +++ b/host/lib/usrp/dboard/db_rfx.cpp @@ -93,9 +93,9 @@ public: void tx_set(const wax::obj &key, const wax::obj &val); private: - freq_range_t _freq_range; - uhd::dict _rx_gain_ranges; - uhd::dict _div2; + const freq_range_t _freq_range; + const uhd::dict _rx_gain_ranges; + const uhd::dict _div2; double _rx_lo_freq, _tx_lo_freq; std::string _rx_ant; uhd::dict _rx_gains; @@ -168,19 +168,17 @@ rfx_xcvr::rfx_xcvr( ctor_args_t args, const freq_range_t &freq_range, bool rx_div2, bool tx_div2 -) : xcvr_dboard_base(args){ - _freq_range = freq_range; - _div2[dboard_iface::UNIT_RX] = rx_div2; - _div2[dboard_iface::UNIT_TX] = tx_div2; - - if(this->get_rx_id() == 0x0024) { //RFX400 - _rx_gain_ranges = rfx400_rx_gain_ranges; - } - else { - _rx_gain_ranges = rfx_rx_gain_ranges; - } - - +): + xcvr_dboard_base(args), + _freq_range(freq_range), + _rx_gain_ranges((this->get_rx_id() == 0x0024)? + rfx400_rx_gain_ranges : rfx_rx_gain_ranges + ), + _div2(map_list_of + (dboard_iface::UNIT_RX, rx_div2) + (dboard_iface::UNIT_TX, tx_div2) + ) +{ //enable the clocks that we need this->get_iface()->set_clock_enabled(dboard_iface::UNIT_TX, true); this->get_iface()->set_clock_enabled(dboard_iface::UNIT_RX, true); @@ -204,12 +202,12 @@ rfx_xcvr::rfx_xcvr( this->get_iface()->set_atr_reg(dboard_iface::UNIT_RX, dboard_iface::ATR_REG_FULL_DUPLEX, POWER_UP | ANT_RX2| MIXER_ENB); //set some default values - set_rx_lo_freq((_freq_range.min + _freq_range.max)/2.0); - set_tx_lo_freq((_freq_range.min + _freq_range.max)/2.0); + set_rx_lo_freq((_freq_range.start() + _freq_range.stop())/2.0); + set_tx_lo_freq((_freq_range.start() + _freq_range.stop())/2.0); set_rx_ant("RX2"); BOOST_FOREACH(const std::string &name, _rx_gain_ranges.keys()){ - set_rx_gain(_rx_gain_ranges[name].min, name); + set_rx_gain(_rx_gain_ranges[name].start(), name); } } @@ -265,7 +263,7 @@ void rfx_xcvr::set_rx_gain(float gain, const std::string &name){ assert_has(_rx_gain_ranges.keys(), name, "rfx rx gain name"); if(name == "PGA0"){ float dac_volts = rx_pga0_gain_to_dac_volts(gain, - (_rx_gain_ranges["PGA0"].max - _rx_gain_ranges["PGA0"].min)); + (_rx_gain_ranges["PGA0"].stop() - _rx_gain_ranges["PGA0"].start())); _rx_gains[name] = gain; //write the new voltage to the aux dac @@ -294,7 +292,7 @@ double rfx_xcvr::set_lo_freq( ) % (target_freq/1e6) << std::endl; //clip the input - target_freq = std::clip(target_freq, _freq_range.min, _freq_range.max); + target_freq = std::clip(target_freq, _freq_range.start(), _freq_range.stop()); if (_div2[unit]) target_freq *= 2; //map prescalers to the register enums diff --git a/host/lib/usrp/dboard/db_tvrx.cpp b/host/lib/usrp/dboard/db_tvrx.cpp index 2873e3d54..94ab86898 100644 --- a/host/lib/usrp/dboard/db_tvrx.cpp +++ b/host/lib/usrp/dboard/db_tvrx.cpp @@ -200,12 +200,12 @@ 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); + _lo_freq = tvrx_freq_range.start() + tvrx_if_freq; //init _lo_freq to a sane default + set_freq(tvrx_freq_range.start()); //set default gains BOOST_FOREACH(const std::string &name, get_tvrx_gain_ranges().keys()){ - set_gain(get_tvrx_gain_ranges()[name].min, name); + set_gain(get_tvrx_gain_ranges()[name].start(), name); } } @@ -219,7 +219,7 @@ tvrx::~tvrx(void){ static std::string get_band(double freq) { BOOST_FOREACH(const std::string &band, tvrx_freq_ranges.keys()) { - if(freq >= tvrx_freq_ranges[band].min && freq <= tvrx_freq_ranges[band].max){ + if(freq >= tvrx_freq_ranges[band].start() && freq <= tvrx_freq_ranges[band].stop()){ if(tvrx_debug) std::cout << "Band: " << band << std::endl; return band; } @@ -277,7 +277,7 @@ static double gain_interp(double gain, boost::array db_vector, boost static float rf_gain_to_voltage(float gain, double lo_freq){ //clip the input - gain = std::clip(gain, get_tvrx_gain_ranges()["RF"].min, get_tvrx_gain_ranges()["RF"].max); + gain = std::clip(gain, get_tvrx_gain_ranges()["RF"].start(), get_tvrx_gain_ranges()["RF"].stop()); //first we need to find out what band we're in, because gains are different across different bands std::string band = get_band(lo_freq + tvrx_if_freq); @@ -305,7 +305,7 @@ 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(gain, get_tvrx_gain_ranges()["IF"].min, get_tvrx_gain_ranges()["IF"].max); + gain = std::clip(gain, get_tvrx_gain_ranges()["IF"].start(), get_tvrx_gain_ranges()["IF"].stop()); double gain_volts = gain_interp(gain, tvrx_if_gains_db, tvrx_gains_volts); double dac_volts = gain_volts / opamp_gain; @@ -337,7 +337,7 @@ void tvrx::set_gain(float gain, const std::string &name){ */ void tvrx::set_freq(double freq) { - freq = std::clip(freq, tvrx_freq_range.min, tvrx_freq_range.max); + freq = std::clip(freq, tvrx_freq_range.start(), tvrx_freq_range.stop()); std::string prev_band = get_band(_lo_freq - tvrx_if_freq); std::string new_band = get_band(freq); diff --git a/host/lib/usrp/dboard/db_wbx.cpp b/host/lib/usrp/dboard/db_wbx.cpp index 572f5de97..d68cd4eaa 100644 --- a/host/lib/usrp/dboard/db_wbx.cpp +++ b/host/lib/usrp/dboard/db_wbx.cpp @@ -177,15 +177,15 @@ wbx_xcvr::wbx_xcvr(ctor_args_t args) : xcvr_dboard_base(args){ ) % RXIO_MASK % TXIO_MASK << std::endl; //set some default values - set_rx_lo_freq((wbx_freq_range.min + wbx_freq_range.max)/2.0); - set_tx_lo_freq((wbx_freq_range.min + wbx_freq_range.max)/2.0); + set_rx_lo_freq((wbx_freq_range.start() + wbx_freq_range.stop())/2.0); + set_tx_lo_freq((wbx_freq_range.start() + wbx_freq_range.stop())/2.0); set_rx_ant("RX2"); BOOST_FOREACH(const std::string &name, wbx_tx_gain_ranges.keys()){ - set_tx_gain(wbx_tx_gain_ranges[name].min, name); + set_tx_gain(wbx_tx_gain_ranges[name].start(), name); } BOOST_FOREACH(const std::string &name, wbx_rx_gain_ranges.keys()){ - set_rx_gain(wbx_rx_gain_ranges[name].min, name); + set_rx_gain(wbx_rx_gain_ranges[name].start(), name); } } @@ -198,10 +198,10 @@ wbx_xcvr::~wbx_xcvr(void){ **********************************************************************/ static int rx_pga0_gain_to_iobits(float &gain){ //clip the input - gain = std::clip(gain, wbx_rx_gain_ranges["PGA0"].min, wbx_rx_gain_ranges["PGA0"].max); + gain = std::clip(gain, wbx_rx_gain_ranges["PGA0"].start(), wbx_rx_gain_ranges["PGA0"].stop()); //convert to attenuation and update iobits for atr - float attn = wbx_rx_gain_ranges["PGA0"].max - gain; + float attn = wbx_rx_gain_ranges["PGA0"].stop() - gain; //calculate the attenuation int attn_code = int(floor(attn*2)); @@ -213,18 +213,18 @@ 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"].max - float(attn_code)/2; + gain = wbx_rx_gain_ranges["PGA0"].stop() - float(attn_code)/2; return iobits; } static float tx_pga0_gain_to_dac_volts(float &gain){ //clip the input - gain = std::clip(gain, wbx_tx_gain_ranges["PGA0"].min, wbx_tx_gain_ranges["PGA0"].max); + gain = std::clip(gain, wbx_tx_gain_ranges["PGA0"].start(), wbx_tx_gain_ranges["PGA0"].stop()); //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"].max; + static const float 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; @@ -328,7 +328,7 @@ double wbx_xcvr::set_lo_freq( ) % (target_freq/1e6) << std::endl; //clip the input - target_freq = std::clip(target_freq, wbx_freq_range.min, wbx_freq_range.max); + target_freq = std::clip(target_freq, wbx_freq_range.start(), wbx_freq_range.stop()); //map prescaler setting to mininmum integer divider (N) values (pg.18 prescaler) static const uhd::dict prescaler_to_min_int_div = map_list_of diff --git a/host/lib/usrp/dboard/db_xcvr2450.cpp b/host/lib/usrp/dboard/db_xcvr2450.cpp index be0e42b92..d3084b0a0 100644 --- a/host/lib/usrp/dboard/db_xcvr2450.cpp +++ b/host/lib/usrp/dboard/db_xcvr2450.cpp @@ -72,8 +72,10 @@ using namespace boost::assign; **********************************************************************/ static const bool xcvr2450_debug = false; -static const freq_range_t xcvr_freq_range(2.4e9, 6.0e9); -static const freq_range_t xcvr_freq_band_seperation(2.5e9, 4.9e9); +static const freq_range_t xcvr_freq_range = list_of + (range_t(2.4e9, 2.5e9)) + (range_t(4.9e9, 6.0e9)) +; static const prop_names_t xcvr_antennas = list_of("J1")("J2"); @@ -212,10 +214,10 @@ xcvr2450::xcvr2450(ctor_args_t args) : xcvr_dboard_base(args){ set_rx_ant(xcvr_antennas.at(0)); set_tx_ant(xcvr_antennas.at(1)); BOOST_FOREACH(const std::string &name, xcvr_tx_gain_ranges.keys()){ - set_tx_gain(xcvr_tx_gain_ranges[name].min, name); + set_tx_gain(xcvr_tx_gain_ranges[name].start(), name); } BOOST_FOREACH(const std::string &name, xcvr_rx_gain_ranges.keys()){ - set_rx_gain(xcvr_rx_gain_ranges[name].min, name); + set_rx_gain(xcvr_rx_gain_ranges[name].start(), name); } } @@ -259,17 +261,9 @@ void xcvr2450::update_atr(void){ * Tuning **********************************************************************/ void xcvr2450::set_lo_freq(double target_freq){ - //clip for highband and lowband - if((target_freq > xcvr_freq_band_seperation.min) and (target_freq < xcvr_freq_band_seperation.max)){ - if(target_freq - xcvr_freq_band_seperation.min < xcvr_freq_band_seperation.max - target_freq){ - target_freq = xcvr_freq_band_seperation.min; - }else{ - target_freq = xcvr_freq_band_seperation.max; - } - } - //clip for max and min - target_freq = std::clip(target_freq, xcvr_freq_range.min, xcvr_freq_range.max); + //clip the input to the range (TODO FIXME not right) + target_freq = std::clip(target_freq, xcvr_freq_range.start(), xcvr_freq_range.stop()); //variables used in the calculation below double scaler = xcvr2450::is_highband(target_freq)? (4.0/5.0) : (4.0/3.0); diff --git a/host/lib/usrp/usrp1/codec_ctrl.cpp b/host/lib/usrp/usrp1/codec_ctrl.cpp index 4aa730573..18f794632 100644 --- a/host/lib/usrp/usrp1/codec_ctrl.cpp +++ b/host/lib/usrp/usrp1/codec_ctrl.cpp @@ -160,19 +160,19 @@ usrp1_codec_ctrl_impl::~usrp1_codec_ctrl_impl(void) static const int mtpgw = 255; //maximum tx pga gain word void usrp1_codec_ctrl_impl::set_tx_pga_gain(float gain){ - int gain_word = int(mtpgw*(gain - tx_pga_gain_range.min)/(tx_pga_gain_range.max - tx_pga_gain_range.min)); + int gain_word = int(mtpgw*(gain - tx_pga_gain_range.start())/(tx_pga_gain_range.stop() - tx_pga_gain_range.start())); _ad9862_regs.tx_pga_gain = std::clip(gain_word, 0, mtpgw); this->send_reg(16); } float usrp1_codec_ctrl_impl::get_tx_pga_gain(void){ - return (_ad9862_regs.tx_pga_gain*(tx_pga_gain_range.max - tx_pga_gain_range.min)/mtpgw) + tx_pga_gain_range.min; + return (_ad9862_regs.tx_pga_gain*(tx_pga_gain_range.stop() - tx_pga_gain_range.start())/mtpgw) + tx_pga_gain_range.start(); } static const int mrpgw = 0x14; //maximum rx pga gain word void usrp1_codec_ctrl_impl::set_rx_pga_gain(float gain, char which){ - int gain_word = int(mrpgw*(gain - rx_pga_gain_range.min)/(rx_pga_gain_range.max - rx_pga_gain_range.min)); + int gain_word = int(mrpgw*(gain - rx_pga_gain_range.start())/(rx_pga_gain_range.stop() - rx_pga_gain_range.start())); gain_word = std::clip(gain_word, 0, mrpgw); switch(which){ case 'A': @@ -194,7 +194,7 @@ float usrp1_codec_ctrl_impl::get_rx_pga_gain(char which){ case 'B': gain_word = _ad9862_regs.rx_pga_b; break; default: UHD_THROW_INVALID_CODE_PATH(); } - return (gain_word*(rx_pga_gain_range.max - rx_pga_gain_range.min)/mrpgw) + rx_pga_gain_range.min; + return (gain_word*(rx_pga_gain_range.stop() - rx_pga_gain_range.start())/mrpgw) + rx_pga_gain_range.start(); } /*********************************************************************** diff --git a/host/lib/usrp/wrapper_utils.hpp b/host/lib/usrp/wrapper_utils.hpp index 6f9fdbfca..a7b5c5da6 100644 --- a/host/lib/usrp/wrapper_utils.hpp +++ b/host/lib/usrp/wrapper_utils.hpp @@ -30,7 +30,7 @@ static inline uhd::freq_range_t add_dsp_shift( wax::obj dsp ){ double codec_rate = dsp[uhd::usrp::DSP_PROP_CODEC_RATE].as(); - return uhd::freq_range_t(range.min - codec_rate/2.0, range.max + codec_rate/2.0); + return uhd::freq_range_t(range.start() - codec_rate/2.0, range.stop() + codec_rate/2.0); } static inline void do_samp_rate_warning_message( diff --git a/host/lib/utils/gain_group.cpp b/host/lib/utils/gain_group.cpp index 54146726a..11bbb8c0a 100644 --- a/host/lib/utils/gain_group.cpp +++ b/host/lib/utils/gain_group.cpp @@ -32,7 +32,7 @@ static const bool verbose = false; static bool compare_by_step_size( const size_t &rhs, const size_t &lhs, std::vector &fcns ){ - return fcns.at(rhs).get_range().step > fcns.at(lhs).get_range().step; + return fcns.at(rhs).get_range().step() > fcns.at(lhs).get_range().step(); } /*! @@ -69,11 +69,11 @@ public: float overall_min = 0, overall_max = 0, overall_step = 0; BOOST_FOREACH(const gain_fcns_t &fcns, get_all_fcns()){ const gain_range_t range = fcns.get_range(); - overall_min += range.min; - overall_max += range.max; + overall_min += range.start(); + overall_max += range.stop(); //the overall step is the min (zero is invalid, first run) - if (overall_step == 0) overall_step = range.step; - overall_step = std::min(overall_step, range.step); + if (overall_step == 0) overall_step = range.step(); + overall_step = std::min(overall_step, range.step()); } return gain_range_t(overall_min, overall_max, overall_step); } @@ -97,7 +97,7 @@ public: //get the max step size among the gains float max_step = 0; BOOST_FOREACH(const gain_fcns_t &fcns, all_fcns){ - max_step = std::max(max_step, fcns.get_range().step); + max_step = std::max(max_step, fcns.get_range().step()); } //create gain bucket to distribute power @@ -108,7 +108,7 @@ public: BOOST_FOREACH(const gain_fcns_t &fcns, all_fcns){ const gain_range_t range = fcns.get_range(); gain_bucket.push_back(floor_step(std::clip( - gain_left_to_distribute, range.min, range.max + gain_left_to_distribute, range.start(), range.stop() ), max_step)); gain_left_to_distribute -= gain_bucket.back(); } @@ -123,8 +123,8 @@ public: boost::bind(&compare_by_step_size, _1, _2, all_fcns) ); UHD_ASSERT_THROW( - all_fcns.at(indexes_step_size_dec.front()).get_range().step >= - all_fcns.at(indexes_step_size_dec.back()).get_range().step + all_fcns.at(indexes_step_size_dec.front()).get_range().step() >= + all_fcns.at(indexes_step_size_dec.back()).get_range().step() ); //distribute the remainder (less than max step) @@ -132,8 +132,8 @@ public: BOOST_FOREACH(size_t i, indexes_step_size_dec){ const gain_range_t range = all_fcns.at(i).get_range(); float additional_gain = floor_step(std::clip( - gain_bucket.at(i) + gain_left_to_distribute, range.min, range.max - ), range.step) - gain_bucket.at(i); + gain_bucket.at(i) + gain_left_to_distribute, range.start(), range.stop() + ), range.step()) - gain_bucket.at(i); gain_bucket.at(i) += additional_gain; gain_left_to_distribute -= additional_gain; } -- cgit v1.2.3 From 775383e635cdf27ede64f5936a649570b74d7c70 Mon Sep 17 00:00:00 2001 From: Josh Blum Date: Mon, 1 Nov 2010 20:57:09 -0700 Subject: uhd: added meta-range clip and implemented in dboards, fixed step calculation --- host/include/uhd/types/ranges.hpp | 8 ++++ host/include/uhd/types/ranges.ipp | 78 ++++++++++++++++++++++++++---------- host/lib/usrp/dboard/db_dbsrx.cpp | 6 +-- host/lib/usrp/dboard/db_rfx.cpp | 2 +- host/lib/usrp/dboard/db_tvrx.cpp | 6 +-- host/lib/usrp/dboard/db_wbx.cpp | 9 ++--- host/lib/usrp/dboard/db_xcvr2450.cpp | 10 +++-- 7 files changed, 82 insertions(+), 37 deletions(-) (limited to 'host/lib') diff --git a/host/include/uhd/types/ranges.hpp b/host/include/uhd/types/ranges.hpp index 0811fc4c8..206c64726 100644 --- a/host/include/uhd/types/ranges.hpp +++ b/host/include/uhd/types/ranges.hpp @@ -93,6 +93,14 @@ namespace uhd{ //! Get the overall step value for this meta-range. const T step(void) const; + /*! + * Clip the target value to a possible range value. + * \param value the value to clip to this range + * \param clip_step if true, clip to steps as well + * \return a value that is in one of the ranges + */ + const T clip(const T &value, bool clip_step = false) const; + }; typedef meta_range_t gain_range_t; diff --git a/host/include/uhd/types/ranges.ipp b/host/include/uhd/types/ranges.ipp index cb1628c53..7fd1bf2eb 100644 --- a/host/include/uhd/types/ranges.ipp +++ b/host/include/uhd/types/ranges.ipp @@ -19,6 +19,7 @@ #define INCLUDED_UHD_TYPES_RANGES_IPP #include +#include #include #include #include @@ -69,6 +70,21 @@ namespace uhd{ * meta_range_t implementation code ******************************************************************/ + namespace /*anon*/{ + template inline + void check_meta_range_monotonic(const meta_range_t &mr){ + if (mr.empty()){ + throw std::runtime_error("meta-range cannot be empty"); + } + for (size_t i = 1; i < mr.size(); i++){ + if (mr.at(i).start() < mr.at(i-1).stop()){ + throw std::runtime_error("meta-range is not monotonic"); + } + } + } + } //namespace /*anon*/ + + template meta_range_t::meta_range_t(void){ /* NOP */ } @@ -91,42 +107,60 @@ namespace uhd{ } template const T meta_range_t::start(void) const{ - if (this->empty()){ - throw std::runtime_error("cannot calculate overall start on empty meta-range"); - } - T min_start = this->at(0).start(); - for (size_t i = 1; i < this->size(); i++){ - min_start = std::min(min_start, this->at(i).start()); + check_meta_range_monotonic(*this); + T min_start = this->front().start(); + BOOST_FOREACH(const range_t &r, (*this)){ + min_start = std::min(min_start, r.start()); } return min_start; } template const T meta_range_t::stop(void) const{ - if (this->empty()){ - throw std::runtime_error("cannot calculate overall stop on empty meta-range"); - } - T max_stop = this->at(0).stop(); - for (size_t i = 1; i < this->size(); i++){ - max_stop = std::max(max_stop, this->at(i).stop()); + check_meta_range_monotonic(*this); + T max_stop = this->front().stop(); + BOOST_FOREACH(const range_t &r, (*this)){ + max_stop = std::max(max_stop, r.stop()); } return max_stop; } template const T meta_range_t::step(void) const{ - if (this->empty()){ - throw std::runtime_error("cannot calculate overall step on empty meta-range"); + check_meta_range_monotonic(*this); + std::vector non_zero_steps; + range_t last = this->front(); + BOOST_FOREACH(const range_t &r, (*this)){ + //steps at each range + if (r.step() != T(0)) non_zero_steps.push_back(r.step()); + //and steps in-between ranges + T ibtw_step = r.start() - last.stop(); + if (ibtw_step != T(0)) non_zero_steps.push_back(ibtw_step); + //store ref to last + last = r; } - T min_step = this->at(0).step(); - for (size_t i = 1; i < this->size(); i++){ - if (this->at(i).start() < this->at(i-1).stop()){ - throw std::runtime_error("cannot calculate overall range when start(n) < stop(n-1) "); + if (non_zero_steps.empty()) return T(0); //all zero steps, its zero... + return *std::min_element(non_zero_steps.begin(), non_zero_steps.end()); + } + + template const T meta_range_t::clip( + const T &value, bool clip_step + ) const{ + check_meta_range_monotonic(*this); + T last_stop = this->front().stop(); + BOOST_FOREACH(const range_t &r, (*this)){ + //in-between ranges, clip to nearest + if (value < r.start()){ + return (std::abs(value - r.start()) < std::abs(value - last_stop))? + r.start() : last_stop; } - if (this->at(i).start() != this->at(i).stop()){ - min_step = std::min(min_step, this->at(i).step()); + //in this range, clip here + if (value <= r.stop()){ + if (not clip_step or r.step() == T(0)) return value; + return boost::math::round((value - r.start())/r.step())*r.step() + r.start(); } - min_step = std::min(min_step, this->at(i).start() - this->at(i-1).stop()); + //continue on to the next range + last_stop = r.stop(); } - return min_step; + return last_stop; } } //namespace uhd diff --git a/host/lib/usrp/dboard/db_dbsrx.cpp b/host/lib/usrp/dboard/db_dbsrx.cpp index 70bf03158..5316fb952 100644 --- a/host/lib/usrp/dboard/db_dbsrx.cpp +++ b/host/lib/usrp/dboard/db_dbsrx.cpp @@ -229,7 +229,7 @@ dbsrx::~dbsrx(void){ * Tuning **********************************************************************/ void dbsrx::set_lo_freq(double target_freq){ - target_freq = std::clip(target_freq, dbsrx_freq_range.start(), dbsrx_freq_range.stop()); + target_freq = dbsrx_freq_range.clip(target_freq); double actual_freq=0.0, pfd_freq=0.0, ref_clock=0.0; int R=0, N=0, r=0, m=0; @@ -417,7 +417,7 @@ void dbsrx::set_lo_freq(double target_freq){ */ static int gain_to_gc2_vga_reg(float &gain){ int reg = 0; - gain = std::clip(gain, dbsrx_gain_ranges["GC2"].start(), dbsrx_gain_ranges["GC2"].stop()); + gain = dbsrx_gain_ranges["GC2"].clip(gain); // Half dB steps from 0-5dB, 1dB steps from 5-24dB if (gain < 5) { @@ -443,7 +443,7 @@ static int gain_to_gc2_vga_reg(float &gain){ */ static float gain_to_gc1_rfvga_dac(float &gain){ //clip the input - gain = std::clip(gain, dbsrx_gain_ranges["GC1"].start(), dbsrx_gain_ranges["GC1"].stop()); + gain = dbsrx_gain_ranges["GC1"].clip(gain); //voltage level constants static const float max_volts = float(1.2), min_volts = float(2.7); diff --git a/host/lib/usrp/dboard/db_rfx.cpp b/host/lib/usrp/dboard/db_rfx.cpp index bb9e19708..4e73fb3a3 100644 --- a/host/lib/usrp/dboard/db_rfx.cpp +++ b/host/lib/usrp/dboard/db_rfx.cpp @@ -292,7 +292,7 @@ double rfx_xcvr::set_lo_freq( ) % (target_freq/1e6) << std::endl; //clip the input - target_freq = std::clip(target_freq, _freq_range.start(), _freq_range.stop()); + target_freq = _freq_range.clip(target_freq); if (_div2[unit]) target_freq *= 2; //map prescalers to the register enums diff --git a/host/lib/usrp/dboard/db_tvrx.cpp b/host/lib/usrp/dboard/db_tvrx.cpp index 94ab86898..17fdad74a 100644 --- a/host/lib/usrp/dboard/db_tvrx.cpp +++ b/host/lib/usrp/dboard/db_tvrx.cpp @@ -277,7 +277,7 @@ static double gain_interp(double gain, boost::array db_vector, boost static float rf_gain_to_voltage(float gain, double lo_freq){ //clip the input - gain = std::clip(gain, get_tvrx_gain_ranges()["RF"].start(), get_tvrx_gain_ranges()["RF"].stop()); + gain = get_tvrx_gain_ranges()["RF"].clip(gain); //first we need to find out what band we're in, because gains are different across different bands std::string band = get_band(lo_freq + tvrx_if_freq); @@ -305,7 +305,7 @@ 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(gain, get_tvrx_gain_ranges()["IF"].start(), get_tvrx_gain_ranges()["IF"].stop()); + gain = get_tvrx_gain_ranges()["IF"].clip(gain); double gain_volts = gain_interp(gain, tvrx_if_gains_db, tvrx_gains_volts); double dac_volts = gain_volts / opamp_gain; @@ -337,7 +337,7 @@ void tvrx::set_gain(float gain, const std::string &name){ */ void tvrx::set_freq(double freq) { - freq = std::clip(freq, tvrx_freq_range.start(), tvrx_freq_range.stop()); + freq = tvrx_freq_range.clip(freq); std::string prev_band = get_band(_lo_freq - tvrx_if_freq); std::string new_band = get_band(freq); diff --git a/host/lib/usrp/dboard/db_wbx.cpp b/host/lib/usrp/dboard/db_wbx.cpp index d68cd4eaa..dd5bd600b 100644 --- a/host/lib/usrp/dboard/db_wbx.cpp +++ b/host/lib/usrp/dboard/db_wbx.cpp @@ -198,16 +198,15 @@ wbx_xcvr::~wbx_xcvr(void){ **********************************************************************/ static int rx_pga0_gain_to_iobits(float &gain){ //clip the input - gain = std::clip(gain, wbx_rx_gain_ranges["PGA0"].start(), wbx_rx_gain_ranges["PGA0"].stop()); + 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; //calculate the attenuation - int attn_code = int(floor(attn*2)); + int attn_code = boost::math::iround(attn*2); int iobits = ((~attn_code) << RX_ATTN_SHIFT) & RX_ATTN_MASK; - if (wbx_debug) std::cerr << boost::format( "WBX Attenuation: %f dB, Code: %d, IO Bits %x, Mask: %x" ) % attn % attn_code % (iobits & RX_ATTN_MASK) % RX_ATTN_MASK << std::endl; @@ -220,7 +219,7 @@ static int rx_pga0_gain_to_iobits(float &gain){ static float tx_pga0_gain_to_dac_volts(float &gain){ //clip the input - gain = std::clip(gain, wbx_tx_gain_ranges["PGA0"].start(), wbx_tx_gain_ranges["PGA0"].stop()); + gain = wbx_tx_gain_ranges["PGA0"].clip(gain); //voltage level constants static const float max_volts = float(0.5), min_volts = float(1.4); @@ -328,7 +327,7 @@ double wbx_xcvr::set_lo_freq( ) % (target_freq/1e6) << std::endl; //clip the input - target_freq = std::clip(target_freq, wbx_freq_range.start(), wbx_freq_range.stop()); + target_freq = wbx_freq_range.clip(target_freq); //map prescaler setting to mininmum integer divider (N) values (pg.18 prescaler) static const uhd::dict prescaler_to_min_int_div = map_list_of diff --git a/host/lib/usrp/dboard/db_xcvr2450.cpp b/host/lib/usrp/dboard/db_xcvr2450.cpp index d3084b0a0..a3a1e6242 100644 --- a/host/lib/usrp/dboard/db_xcvr2450.cpp +++ b/host/lib/usrp/dboard/db_xcvr2450.cpp @@ -84,7 +84,11 @@ static const uhd::dict xcvr_tx_gain_ranges = map_list ("BB", gain_range_t(0, 5, 1.5)) ; static const uhd::dict xcvr_rx_gain_ranges = map_list_of - ("LNA", gain_range_t(0, 30.5, 15)) + ("LNA", gain_range_t(list_of + (range_t(0)) + (range_t(15)) + (range_t(30.5)) + )) ("VGA", gain_range_t(0, 62, 2.0)) ; @@ -262,8 +266,8 @@ void xcvr2450::update_atr(void){ **********************************************************************/ void xcvr2450::set_lo_freq(double target_freq){ - //clip the input to the range (TODO FIXME not right) - target_freq = std::clip(target_freq, xcvr_freq_range.start(), xcvr_freq_range.stop()); + //clip the input to the range + target_freq = xcvr_freq_range.clip(target_freq); //variables used in the calculation below double scaler = xcvr2450::is_highband(target_freq)? (4.0/5.0) : (4.0/3.0); -- cgit v1.2.3 From 24517fa9226a0da8ca297476ea159b230a06ff56 Mon Sep 17 00:00:00 2001 From: Josh Blum Date: Wed, 10 Nov 2010 19:41:40 -0800 Subject: dbsrx2: updated code for ranges use --- host/lib/usrp/dboard/db_dbsrx2.cpp | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) (limited to 'host/lib') diff --git a/host/lib/usrp/dboard/db_dbsrx2.cpp b/host/lib/usrp/dboard/db_dbsrx2.cpp index 5a65e6123..bf5528688 100644 --- a/host/lib/usrp/dboard/db_dbsrx2.cpp +++ b/host/lib/usrp/dboard/db_dbsrx2.cpp @@ -195,15 +195,15 @@ dbsrx2::dbsrx2(ctor_args_t args) : rx_dboard_base(args){ //for (boost::uint8_t addr=0; addr<=12; addr++) this->send_reg(addr, addr); //set defaults for LO, gains - set_lo_freq(dbsrx2_freq_range.min); + set_lo_freq(dbsrx2_freq_range.start()); BOOST_FOREACH(const std::string &name, dbsrx2_gain_ranges.keys()){ - set_gain(dbsrx2_gain_ranges[name].min, name); + set_gain(dbsrx2_gain_ranges[name].start(), name); } set_bandwidth(40e6); // default bandwidth from datasheet get_locked(); - _max2112_write_regs.bbg = boost::math::iround(std::clip(0, dbsrx2_gain_ranges["BBG"].min, dbsrx2_gain_ranges["BBG"].max)); + _max2112_write_regs.bbg = dbsrx2_gain_ranges["BBG"].start(); send_reg(0x9, 0x9); } @@ -270,7 +270,7 @@ void dbsrx2::set_lo_freq(double target_freq){ * \return 4 bit the register value */ static int gain_to_bbg_vga_reg(float &gain){ - int reg = boost::math::iround(std::clip(gain, dbsrx2_gain_ranges["BBG"].min, dbsrx2_gain_ranges["BBG"].max)); + int reg = boost::math::iround(dbsrx2_gain_ranges["BBG"].clip(gain)); gain = float(reg); @@ -290,11 +290,11 @@ static int gain_to_bbg_vga_reg(float &gain){ */ static float gain_to_gc1_rfvga_dac(float &gain){ //clip the input - gain = std::clip(gain, dbsrx2_gain_ranges["GC1"].min, dbsrx2_gain_ranges["GC1"].max); + gain = dbsrx2_gain_ranges["GC1"].clip(gain); //voltage level constants static const float max_volts = float(0.5), min_volts = float(2.7); - static const float slope = (max_volts-min_volts)/dbsrx2_gain_ranges["GC1"].max; + static const float slope = (max_volts-min_volts)/dbsrx2_gain_ranges["GC1"].stop(); //calculate the voltage for the aux dac float dac_volts = gain*slope + min_volts; -- cgit v1.2.3