C++ dict::keys方法代码示例

/***********************************************************************
 * Structors
 **********************************************************************/
wbx_xcvr::wbx_xcvr(ctor_args_t args) : xcvr_dboard_base(args){

    //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);

    //set the gpio directions and atr controls (identically)
    this->get_iface()->set_pin_ctrl(dboard_iface::UNIT_TX, TXIO_MASK);
    this->get_iface()->set_pin_ctrl(dboard_iface::UNIT_RX, RXIO_MASK);
    this->get_iface()->set_gpio_ddr(dboard_iface::UNIT_TX, TXIO_MASK);
    this->get_iface()->set_gpio_ddr(dboard_iface::UNIT_RX, RXIO_MASK);
    if (wbx_debug) std::cerr << boost::format(
        "WBX GPIO Direction: RX: 0x%08x, TX: 0x%08x"
    ) % RXIO_MASK % TXIO_MASK << std::endl;

    //set some default values
    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].start(), name);
    }
    BOOST_FOREACH(const std::string &name, wbx_rx_gain_ranges.keys()){
        set_rx_gain(wbx_rx_gain_ranges[name].start(), name);
    }
}

/***********************************************************************
 * Structors
 **********************************************************************/
sbx_xcvr::sbx_xcvr(ctor_args_t args) : xcvr_dboard_base(args){

    //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);

    //set the gpio directions and atr controls (identically)
    this->get_iface()->set_pin_ctrl(dboard_iface::UNIT_TX, (TXIO_MASK|TX_LED_IO));
    this->get_iface()->set_pin_ctrl(dboard_iface::UNIT_RX, (RXIO_MASK|RX_LED_IO));
    this->get_iface()->set_gpio_ddr(dboard_iface::UNIT_TX, (TXIO_MASK|TX_LED_IO));
    this->get_iface()->set_gpio_ddr(dboard_iface::UNIT_RX, (RXIO_MASK|RX_LED_IO));

    //flash LEDs
    flash_leds();

    UHD_LOGV(often) << boost::format(
        "SBX GPIO Direction: RX: 0x%08x, TX: 0x%08x"
    ) % RXIO_MASK % TXIO_MASK << std::endl;

    //set some default values
    set_rx_lo_freq((sbx_freq_range.start() + sbx_freq_range.stop())/2.0);
    set_tx_lo_freq((sbx_freq_range.start() + sbx_freq_range.stop())/2.0);
    set_rx_ant("RX2");

    BOOST_FOREACH(const std::string &name, sbx_tx_gain_ranges.keys()){
        set_tx_gain(sbx_tx_gain_ranges[name].start(), name);
    }
    BOOST_FOREACH(const std::string &name, sbx_rx_gain_ranges.keys()){
        set_rx_gain(sbx_rx_gain_ranges[name].start(), name);
    }
}

/***********************************************************************
 * RX Codec Properties
 **********************************************************************/
void usrp2_mboard_impl::rx_codec_get(const wax::obj &key_, wax::obj &val){
    named_prop_t key = named_prop_t::extract(key_);

    //handle the get request conditioned on the key
    switch(key.as<codec_prop_t>()){
    case CODEC_PROP_NAME:
        switch(_iface->get_rev()){
        case usrp2_iface::USRP_N200:
        case usrp2_iface::USRP_N210:
            val = _iface->get_cname() + " adc - ads62p44";
            break;

        case usrp2_iface::USRP2_REV3:
        case usrp2_iface::USRP2_REV4:
            val = _iface->get_cname() + " adc - ltc2284";
            break;

        case usrp2_iface::USRP_NXXX:
            val = _iface->get_cname() + " adc - ??????";
            break;
        }
        return;

    case CODEC_PROP_OTHERS:
        val = prop_names_t();
        return;

    case CODEC_PROP_GAIN_NAMES:
        switch(_iface->get_rev()){
        case usrp2_iface::USRP_N200:
        case usrp2_iface::USRP_N210:
            val = prop_names_t(codec_rx_gain_ranges.keys());
            return;

        default: val = prop_names_t();
        }
        return;

    case CODEC_PROP_GAIN_I:
    case CODEC_PROP_GAIN_Q:
        assert_has(_codec_rx_gains.keys(), key.name, "codec rx gain name");
        val = _codec_rx_gains[key.name];
        return;

    case CODEC_PROP_GAIN_RANGE:
      assert_has(codec_rx_gain_ranges.keys(), key.name, "codec rx gain range name");
      val = codec_rx_gain_ranges[key.name];
      return;

    default: UHD_THROW_PROP_GET_ERROR();
    }
}

static std::string get_band(double freq) {
    BOOST_FOREACH(const std::string &band, tvrx_freq_ranges.keys()) {
        if(freq >= tvrx_freq_ranges[band].start() && freq <= tvrx_freq_ranges[band].stop()){
            UHD_LOGV(often) << "Band: " << band << std::endl;
            return band;
        }
    }
    UHD_THROW_INVALID_CODE_PATH();
}

static std::string get_band(double freq) {
    for(const std::string &band:  tvrx_freq_ranges.keys()) {
        if(freq >= tvrx_freq_ranges[band].start() && freq <= tvrx_freq_ranges[band].stop()){
            UHD_LOGGER_TRACE("TVRX") << "Band: " << band ;
            return band;
        }
    }
    UHD_THROW_INVALID_CODE_PATH();
}

/***********************************************************************
 * WBX Common Implementation
 **********************************************************************/
wbx_base::wbx_version4::wbx_version4(wbx_base *_self_wbx_base) {
    //register our handle on the primary wbx_base instance
    self_base = _self_wbx_base;

    ////////////////////////////////////////////////////////////////////
    // Register RX properties
    ////////////////////////////////////////////////////////////////////
    this->get_rx_subtree()->create<std::string>("name").set("WBXv4 RX");
    this->get_rx_subtree()->create<double>("freq/value")
         .coerce(boost::bind(&wbx_base::wbx_version4::set_lo_freq, this, dboard_iface::UNIT_RX, _1))
         .set((wbx_v4_freq_range.start() + wbx_v4_freq_range.stop())/2.0);
    this->get_rx_subtree()->create<meta_range_t>("freq/range").set(wbx_v4_freq_range);

    ////////////////////////////////////////////////////////////////////
    // Register TX properties
    ////////////////////////////////////////////////////////////////////
    this->get_tx_subtree()->create<std::string>("name").set("WBXv4 TX");
    BOOST_FOREACH(const std::string &name, wbx_v4_tx_gain_ranges.keys()){
        self_base->get_tx_subtree()->create<double>("gains/"+name+"/value")
            .coerce(boost::bind(&wbx_base::wbx_version4::set_tx_gain, this, _1, name))
            .set(wbx_v4_tx_gain_ranges[name].start());
        self_base->get_tx_subtree()->create<meta_range_t>("gains/"+name+"/range")
            .set(wbx_v4_tx_gain_ranges[name]);
    }
    this->get_tx_subtree()->create<double>("freq/value")
         .coerce(boost::bind(&wbx_base::wbx_version4::set_lo_freq, this, dboard_iface::UNIT_TX, _1))
         .set((wbx_v4_freq_range.start() + wbx_v4_freq_range.stop())/2.0);
    this->get_tx_subtree()->create<meta_range_t>("freq/range").set(wbx_v4_freq_range);
    this->get_tx_subtree()->create<bool>("enabled")
        .subscribe(boost::bind(&wbx_base::wbx_version4::set_tx_enabled, this, _1))
        .set(true); //start enabled

    //set attenuator control bits
    int v4_iobits = TX_ATTN_MASK;
    int v4_tx_mod = ADF4351_PDBRF;

    //set the gpio directions and atr controls
    self_base->get_iface()->set_pin_ctrl(dboard_iface::UNIT_TX, v4_tx_mod|v4_iobits);
    self_base->get_iface()->set_pin_ctrl(dboard_iface::UNIT_RX, RXBB_PDB|ADF4351_PDBRF);
    self_base->get_iface()->set_gpio_ddr(dboard_iface::UNIT_TX, TX_PUP_5V|TX_PUP_3V|v4_tx_mod|v4_iobits);
    self_base->get_iface()->set_gpio_ddr(dboard_iface::UNIT_RX, RX_PUP_5V|RX_PUP_3V|ADF4351_CE|RXBB_PDB|ADF4351_PDBRF|RX_ATTN_MASK);

    //setup ATR for the mixer enables (always enabled to prevent phase slip between bursts)
    //set TX gain iobits to min gain (max attenuation) when RX_ONLY or IDLE to suppress LO leakage
    self_base->get_iface()->set_atr_reg(dboard_iface::UNIT_TX, dboard_iface::ATR_REG_IDLE,        v4_tx_mod, TX_ATTN_MASK | TX_MIXER_DIS | v4_tx_mod);
    self_base->get_iface()->set_atr_reg(dboard_iface::UNIT_TX, dboard_iface::ATR_REG_RX_ONLY,     v4_tx_mod, TX_ATTN_MASK | TX_MIXER_DIS | v4_tx_mod);
    self_base->get_iface()->set_atr_reg(dboard_iface::UNIT_TX, dboard_iface::ATR_REG_TX_ONLY,     v4_tx_mod, TX_ATTN_MASK | TX_MIXER_DIS | v4_tx_mod);
    self_base->get_iface()->set_atr_reg(dboard_iface::UNIT_TX, dboard_iface::ATR_REG_FULL_DUPLEX, v4_tx_mod, TX_ATTN_MASK | TX_MIXER_DIS | v4_tx_mod);

    self_base->get_iface()->set_atr_reg(dboard_iface::UNIT_RX, dboard_iface::ATR_REG_IDLE,        RX_MIXER_ENB, RX_MIXER_DIS | RX_MIXER_ENB);
    self_base->get_iface()->set_atr_reg(dboard_iface::UNIT_RX, dboard_iface::ATR_REG_TX_ONLY,     RX_MIXER_ENB, RX_MIXER_DIS | RX_MIXER_ENB);
    self_base->get_iface()->set_atr_reg(dboard_iface::UNIT_RX, dboard_iface::ATR_REG_RX_ONLY,     RX_MIXER_ENB, RX_MIXER_DIS | RX_MIXER_ENB);
    self_base->get_iface()->set_atr_reg(dboard_iface::UNIT_RX, dboard_iface::ATR_REG_FULL_DUPLEX, RX_MIXER_ENB, RX_MIXER_DIS | RX_MIXER_ENB);
}

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);
        _rx_gains[name] = gain;

        //write the new gain to atr regs
        update_atr();
    }
    else UHD_THROW_INVALID_CODE_PATH();
}

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"){
        double dac_volts = tx_pga0_gain_to_dac_volts(gain);
        _tx_gains[name] = gain;

        //write the new voltage to the aux dac
        this->get_iface()->write_aux_dac(dboard_iface::UNIT_TX, dboard_iface::AUX_DAC_A, dac_volts);
    }
    else UHD_THROW_INVALID_CODE_PATH();
}

/***********************************************************************
 * Gain Handling
 **********************************************************************/
double wbx_base::wbx_version2::set_tx_gain(double gain, const std::string &name){
    assert_has(wbx_v2_tx_gain_ranges.keys(), name, "wbx tx gain name");
    if(name == "PGA0"){
        double dac_volts = tx_pga0_gain_to_dac_volts(gain);
        self_base->_tx_gains[name] = gain;

        //write the new voltage to the aux dac
        self_base->get_iface()->write_aux_dac(dboard_iface::UNIT_TX, dboard_iface::AUX_DAC_A, dac_volts);
    }
    else UHD_THROW_INVALID_CODE_PATH();
    return self_base->_tx_gains[name]; //shadowed
}

void dbsrx::set_gain(double gain, const std::string &name){
    assert_has(dbsrx_gain_ranges.keys(), name, "dbsrx gain name");
    if (name == "GC2"){
        _max2118_write_regs.gc2 = gain_to_gc2_vga_reg(gain);
        send_reg(0x5, 0x5);
    }
    else if(name == "GC1"){
        //write the new voltage to the aux dac
        this->get_iface()->write_aux_dac(dboard_iface::UNIT_RX, dboard_iface::AUX_DAC_A, gain_to_gc1_rfvga_dac(gain));
    }
    else UHD_THROW_INVALID_CODE_PATH();
    _gains[name] = gain;
}

double rfx_xcvr::set_rx_gain(double gain, const std::string &name){
    assert_has(_rx_gain_ranges.keys(), name, "rfx rx gain name");
    if(name == "PGA0"){
        double dac_volts = rx_pga0_gain_to_dac_volts(gain, 
                              (_rx_gain_ranges["PGA0"].stop() - _rx_gain_ranges["PGA0"].start()));

        //write the new voltage to the aux dac
        this->get_iface()->write_aux_dac(dboard_iface::UNIT_RX, dboard_iface::AUX_DAC_A, dac_volts);

        return gain;
    }
    else UHD_THROW_INVALID_CODE_PATH();
}

/***********************************************************************
 * Gain Handling
 **********************************************************************/
double wbx_base::wbx_version3::set_tx_gain(double gain, const std::string &name){
    assert_has(wbx_v3_tx_gain_ranges.keys(), name, "wbx tx gain name");
    if(name == "PGA0"){
        uint16_t io_bits = tx_pga0_gain_to_iobits(gain);

        self_base->_tx_gains[name] = gain;

        //write the new gain to tx gpio outputs
        //Update ATR with gain io_bits, only update for TX_ONLY and FULL_DUPLEX ATR states
        self_base->get_iface()->set_atr_reg(dboard_iface::UNIT_TX, gpio_atr::ATR_REG_TX_ONLY,     io_bits, TX_ATTN_MASK);
        self_base->get_iface()->set_atr_reg(dboard_iface::UNIT_TX, gpio_atr::ATR_REG_FULL_DUPLEX, io_bits, TX_ATTN_MASK);
    }
    else UHD_THROW_INVALID_CODE_PATH();
    return self_base->_tx_gains[name]; //shadow
}

/***********************************************************************
 * Structors
 **********************************************************************/
dbsrx::dbsrx(ctor_args_t args) : rx_dboard_base(args){
    //warn user about incorrect DBID on USRP1, requires R193 populated
    if (this->get_iface()->get_special_props().soft_clock_divider and this->get_rx_id() == 0x000D)
        uhd::warning::post(
            str(boost::format(
                "DBSRX: incorrect dbid\n"
                "Expected dbid 0x0002 and R193\n"
                "found dbid == %d\n"
                "Please see the daughterboard app notes" 
                ) % this->get_rx_id().to_pp_string())
        );

    //warn user about incorrect DBID on non-USRP1, requires R194 populated
    if (not this->get_iface()->get_special_props().soft_clock_divider and this->get_rx_id() == 0x0002)
        uhd::warning::post(
            str(boost::format(
                "DBSRX: incorrect dbid\n"
                "Expected dbid 0x000D and R194\n"
                "found dbid == %d\n"
                "Please see the daughterboard app notes" 
                ) % this->get_rx_id().to_pp_string())
        );

    //enable only the clocks we need
    this->get_iface()->set_clock_enabled(dboard_iface::UNIT_RX, true);

    //set the gpio directions and atr controls (identically)
    this->get_iface()->set_pin_ctrl(dboard_iface::UNIT_RX, 0x0); // All unused in atr
    if (this->get_iface()->get_special_props().soft_clock_divider){
        this->get_iface()->set_gpio_ddr(dboard_iface::UNIT_RX, 0x1); // GPIO0 is clock
    }
    else{
        this->get_iface()->set_gpio_ddr(dboard_iface::UNIT_RX, 0x0); // All Inputs
    }

    //send initial register settings
    this->send_reg(0x0, 0x5);

    //set defaults for LO, gains, and filter bandwidth
    _bandwidth = 33e6;
    set_lo_freq(dbsrx_freq_range.start());

    BOOST_FOREACH(const std::string &name, dbsrx_gain_ranges.keys()){
        set_gain(dbsrx_gain_ranges[name].start(), name);
    }

    set_bandwidth(33e6); // default bandwidth from datasheet
}

void usrp2_mboard_impl::rx_codec_set_gain(double gain, const std::string &name){
  assert_has(codec_rx_gain_ranges.keys(), name, "codec rx gain name");

  _codec_rx_gains[name] = gain;
/*
  if(name == "analog") {
    _codec_ctrl->set_rx_analog_gain(gain > 0); //just turn it on or off
    return;
  }
*/
  if(name == "digital") {
    _codec_ctrl->set_rx_digital_gain(gain);
    return;
  }
  if(name == "digital-fine") {
    _codec_ctrl->set_rx_digital_fine_gain(gain);
    return;
  }
  UHD_THROW_PROP_SET_ERROR();
}

/***********************************************************************
 * RX Get and Set
 **********************************************************************/
void dbsrx::rx_get(const wax::obj &key_, wax::obj &val){
    named_prop_t key = named_prop_t::extract(key_);

    //handle the get request conditioned on the key
    switch(key.as<subdev_prop_t>()){
    case SUBDEV_PROP_NAME:
        val = get_rx_id().to_pp_string();
        return;

    case SUBDEV_PROP_OTHERS:
        val = prop_names_t(); //empty
        return;

    case SUBDEV_PROP_GAIN:
        assert_has(_gains.keys(), key.name, "dbsrx gain name");
        val = _gains[key.name];
        return;

    case SUBDEV_PROP_GAIN_RANGE:
        assert_has(dbsrx_gain_ranges.keys(), key.name, "dbsrx gain name");
        val = dbsrx_gain_ranges[key.name];
        return;

    case SUBDEV_PROP_GAIN_NAMES:
        val = prop_names_t(dbsrx_gain_ranges.keys());
        return;

    case SUBDEV_PROP_FREQ:
        val = _lo_freq;
        return;

    case SUBDEV_PROP_FREQ_RANGE:
        val = dbsrx_freq_range;
        return;

    case SUBDEV_PROP_ANTENNA:
        val = std::string("J3");
        return;

    case SUBDEV_PROP_ANTENNA_NAMES:
        val = dbsrx_antennas;
        return;

    case SUBDEV_PROP_CONNECTION:
        val = SUBDEV_CONN_COMPLEX_IQ;
        return;

    case SUBDEV_PROP_ENABLED:
        val = true; //always enabled
        return;

    case SUBDEV_PROP_USE_LO_OFFSET:
        val = false;
        return;

    case SUBDEV_PROP_SENSOR:
        UHD_ASSERT_THROW(key.name == "lo_locked");
        val = sensor_value_t("LO", this->get_locked(), "locked", "unlocked");
        return;

    case SUBDEV_PROP_SENSOR_NAMES:
        val = prop_names_t(1, "lo_locked");
        return;

    case SUBDEV_PROP_BANDWIDTH:
        val = 2*_bandwidth; //_bandwidth is low-pass, we want complex double-sided
        return;

    default: UHD_THROW_PROP_GET_ERROR();
    }
}