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authorJosh Blum <josh@joshknows.com>2010-05-04 17:49:19 -0700
committerJosh Blum <josh@joshknows.com>2010-05-04 17:49:19 -0700
commit3f4c6b6121350b19a63c029efa5c1e8fe22a1210 (patch)
treeb6ab7164f04a8c4f549f23bbcf2ac21cdeecc049 /host/lib/usrp/dboard
parent825ea9ac62632e106098cca9e853db1bb9dccfc2 (diff)
parent23e0f3d215a320a30731a70590d50003bd718378 (diff)
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Merge branch 'wbx' of git@ettus.sourcerepo.com:ettus/uhdpriv
Diffstat (limited to 'host/lib/usrp/dboard')
-rw-r--r--host/lib/usrp/dboard/db_wbx.cpp613
1 files changed, 613 insertions, 0 deletions
diff --git a/host/lib/usrp/dboard/db_wbx.cpp b/host/lib/usrp/dboard/db_wbx.cpp
new file mode 100644
index 000000000..b4aaf587c
--- /dev/null
+++ b/host/lib/usrp/dboard/db_wbx.cpp
@@ -0,0 +1,613 @@
+//
+// Copyright 2010 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
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <http://www.gnu.org/licenses/>.
+//
+
+static const bool wbx_debug = false;
+
+// Common IO Pins
+#define ANTSW_IO ((1 << 5)|(1 << 15)) // on UNIT_TX, 0 = TX, 1 = RX, on UNIT_RX 0 = main ant, 1 = RX2
+#define ADF4350_CE (1 << 3)
+#define ADF4350_PDBRF (1 << 2)
+#define ADF4350_MUXOUT (1 << 1) // INPUT!!!
+#define LOCKDET_MASK (1 << 0) // INPUT!!!
+
+// TX IO Pins
+#define TX_PUP_5V (1 << 7) // enables 5.0V power supply
+#define TX_PUP_3V (1 << 6) // enables 3.3V supply
+#define TXMOD_EN (1 << 4) // on UNIT_TX, 1 enables TX Modulator
+
+// RX IO Pins
+#define RX_PUP_5V (1 << 7) // enables 5.0V power supply
+#define RX_PUP_3V (1 << 6) // enables 3.3V supply
+#define RXBB_PDB (1 << 4) // on UNIT_RX, 1 powers up RX baseband
+
+// RX Attenuator Pins
+#define RX_ATTN_SHIFT 8 // lsb of RX Attenuator Control
+#define RX_ATTN_MASK (63 << RX_ATTN_SHIFT) // valid bits of RX Attenuator Control
+
+// Mixer functions
+#define TX_MIXER_ENB (TXMOD_EN|ADF4350_PDBRF)
+#define TX_MIXER_DIS 0
+
+#define RX_MIXER_ENB (RXBB_PDB|ADF4350_PDBRF)
+#define RX_MIXER_DIS 0
+
+// Pin functions
+#define TX_POWER_IO (TX_PUP_5V|TX_PUP_3V) // high enables power supply
+#define TXIO_MASK (TX_POWER_IO|ANTSW_IO|ADF4350_CE|ADF4350_PDBRF|TXMOD_EN)
+
+#define RX_POWER_IO (RX_PUP_5V|RX_PUP_3V) // high enables power supply
+#define RXIO_MASK (RX_POWER_IO|ANTSW_IO|ADF4350_CE|ADF4350_PDBRF|RXBB_PDB|RX_ATTN_MASK)
+
+// Power functions
+#define TX_POWER_UP (TX_POWER_IO|ADF4350_CE)
+#define TX_POWER_DOWN 0
+
+#define RX_POWER_UP (RX_POWER_IO|ADF4350_CE)
+#define RX_POWER_DOWN 0
+
+// Antenna constants
+#define ANT_TX 0 //the tx line is transmitting
+#define ANT_RX ANTSW_IO //the tx line is receiving
+#define ANT_TXRX 0 //the rx line is on txrx
+#define ANT_RX2 ANTSW_IO //the rx line in on rx2
+#define ANT_XX 0 //dont care how the antenna is set
+
+#include "adf4350_regs.hpp"
+#include <uhd/types/dict.hpp>
+#include <uhd/usrp/subdev_props.hpp>
+#include <uhd/types/ranges.hpp>
+#include <uhd/utils/assert.hpp>
+#include <uhd/utils/static.hpp>
+#include <uhd/utils/algorithm.hpp>
+#include <uhd/usrp/dboard_base.hpp>
+#include <uhd/usrp/dboard_manager.hpp>
+#include <boost/assign/list_of.hpp>
+#include <boost/format.hpp>
+#include <boost/math/special_functions/round.hpp>
+
+using namespace uhd;
+using namespace uhd::usrp;
+using namespace boost::assign;
+
+/***********************************************************************
+ * The WBX dboard
+ **********************************************************************/
+static const float _max_rx_pga0_gain = 31.5;
+static const float _max_tx_pga0_gain = 25;
+
+class wbx_xcvr : public xcvr_dboard_base{
+public:
+ wbx_xcvr(
+ ctor_args_t const& args,
+ const freq_range_t &freq_range
+ );
+ ~wbx_xcvr(void);
+
+ void rx_get(const wax::obj &key, wax::obj &val);
+ void rx_set(const wax::obj &key, const wax::obj &val);
+
+ void tx_get(const wax::obj &key, wax::obj &val);
+ void tx_set(const wax::obj &key, const wax::obj &val);
+
+private:
+ freq_range_t _freq_range;
+ uhd::dict<dboard_iface::unit_t, bool> _div2;
+ double _rx_lo_freq, _tx_lo_freq;
+ std::string _rx_ant;
+ int _rx_pga0_attn_iobits;
+ float _rx_pga0_gain;
+ float _tx_pga0_gain;
+
+ void set_rx_lo_freq(double freq);
+ void set_tx_lo_freq(double freq);
+ void set_rx_ant(const std::string &ant);
+ void set_rx_pga0_gain(float gain);
+ void set_rx_pga0_attn(float attn);
+ void set_tx_pga0_gain(float gain);
+
+ void update_atr(void);
+
+ /*!
+ * Set the LO frequency for the particular dboard unit.
+ * \param unit which unit rx or tx
+ * \param target_freq the desired frequency in Hz
+ * \return the actual frequency in Hz
+ */
+ double set_lo_freq(dboard_iface::unit_t unit, double target_freq);
+
+ /*!
+ * Get the lock detect status of the LO.
+ * \param unit which unit rx or tx
+ * \return true for locked
+ */
+ bool get_locked(dboard_iface::unit_t unit){
+ return (this->get_iface()->read_gpio(unit) & LOCKDET_MASK) != 0;
+ }
+};
+
+/***********************************************************************
+ * Register the WBX dboard (min freq, max freq, rx div2, tx div2)
+ **********************************************************************/
+static dboard_base::sptr make_wbx(dboard_base::ctor_args_t const& args){
+ return dboard_base::sptr(new wbx_xcvr(args, freq_range_t(50e6, 2220e6)));
+}
+
+UHD_STATIC_BLOCK(reg_wbx_dboards){
+ dboard_manager::register_dboard(0x0052, &make_wbx, "WBX RX");
+ dboard_manager::register_dboard(0x0053, &make_wbx, "WBX TX");
+}
+
+/***********************************************************************
+ * Structors
+ **********************************************************************/
+wbx_xcvr::wbx_xcvr(
+ ctor_args_t const& args,
+ const freq_range_t &freq_range
+) : xcvr_dboard_base(args){
+ _freq_range = freq_range;
+
+ //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
+ 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((_freq_range.min + _freq_range.max)/2.0);
+ set_tx_lo_freq((_freq_range.min + _freq_range.max)/2.0);
+ set_rx_ant("RX2");
+ set_rx_pga0_gain(0);
+ set_tx_pga0_gain(0);
+}
+
+wbx_xcvr::~wbx_xcvr(void){
+ /* NOP */
+}
+
+/***********************************************************************
+ * Helper Methods
+ **********************************************************************/
+void wbx_xcvr::update_atr(void){
+ //calculate atr pins
+
+ //setup the tx atr (this does not change with antenna)
+ this->get_iface()->set_atr_reg(dboard_iface::UNIT_TX, dboard_iface::ATR_REG_IDLE, TX_POWER_UP | ANT_XX | TX_MIXER_DIS);
+ this->get_iface()->set_atr_reg(dboard_iface::UNIT_TX, dboard_iface::ATR_REG_RX_ONLY, TX_POWER_UP | ANT_RX | TX_MIXER_DIS);
+ this->get_iface()->set_atr_reg(dboard_iface::UNIT_TX, dboard_iface::ATR_REG_TX_ONLY, TX_POWER_UP | ANT_TX | TX_MIXER_ENB);
+ this->get_iface()->set_atr_reg(dboard_iface::UNIT_TX, dboard_iface::ATR_REG_FULL_DUPLEX, TX_POWER_UP | ANT_TX | TX_MIXER_ENB);
+
+ //setup the rx atr (this does not change with antenna)
+ this->get_iface()->set_atr_reg(dboard_iface::UNIT_RX, dboard_iface::ATR_REG_IDLE,
+ _rx_pga0_attn_iobits | RX_POWER_UP | ANT_XX | RX_MIXER_DIS);
+ this->get_iface()->set_atr_reg(dboard_iface::UNIT_RX, dboard_iface::ATR_REG_TX_ONLY,
+ _rx_pga0_attn_iobits | RX_POWER_UP | ANT_XX | RX_MIXER_DIS);
+ this->get_iface()->set_atr_reg(dboard_iface::UNIT_RX, dboard_iface::ATR_REG_FULL_DUPLEX,
+ _rx_pga0_attn_iobits | RX_POWER_UP | ANT_RX2| RX_MIXER_ENB);
+
+ //set the rx atr regs that change with antenna setting
+ this->get_iface()->set_atr_reg(dboard_iface::UNIT_RX, dboard_iface::ATR_REG_RX_ONLY,
+ _rx_pga0_attn_iobits | RX_POWER_UP | RX_MIXER_ENB | ((_rx_ant == "TX/RX")? ANT_TXRX : ANT_RX2));
+ if (wbx_debug) std::cerr << boost::format(
+ "WBX RXONLY ATR REG: 0x%08x"
+ ) % (_rx_pga0_attn_iobits | RX_POWER_UP | RX_MIXER_ENB | ((_rx_ant == "TX/RX")? ANT_TXRX : ANT_RX2)) << std::endl;
+}
+
+void wbx_xcvr::set_rx_lo_freq(double freq){
+ _rx_lo_freq = set_lo_freq(dboard_iface::UNIT_RX, freq);
+}
+
+void wbx_xcvr::set_tx_lo_freq(double freq){
+ _tx_lo_freq = set_lo_freq(dboard_iface::UNIT_TX, freq);
+}
+
+void wbx_xcvr::set_rx_ant(const std::string &ant){
+ //validate input
+ UHD_ASSERT_THROW(ant == "TX/RX" or ant == "RX2");
+
+ //shadow the setting
+ _rx_ant = ant;
+
+ //write the new antenna setting to atr regs
+ update_atr();
+}
+
+void wbx_xcvr::set_rx_pga0_gain(float gain){
+ //clip the input
+ gain = std::clip<float>(gain, 0, _max_rx_pga0_gain);
+
+ //shadow the setting (does not account for precision loss)
+ _rx_pga0_gain = gain;
+
+ //convert to attenuation and update iobits for atr
+ set_rx_pga0_attn(_max_rx_pga0_gain - gain);
+
+ //write the new gain to atr regs
+ update_atr();
+}
+
+void wbx_xcvr::set_rx_pga0_attn(float attn)
+{
+ int attn_code = int(floor(attn*2));
+ _rx_pga0_attn_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 % (_rx_pga0_attn_iobits & RX_ATTN_MASK) % RX_ATTN_MASK << std::endl;
+}
+
+void wbx_xcvr::set_tx_pga0_gain(float gain){
+ //clip the input
+ gain = std::clip<float>(gain, 0, _max_tx_pga0_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)/_max_rx_pga0_gain;
+
+ //calculate the voltage for the aux dac
+ float dac_volts = gain*slope + min_volts;
+
+ if (wbx_debug) std::cerr << boost::format(
+ "WBX TX Gain: %f dB, dac_volts: %f V"
+ ) % gain % dac_volts << std::endl;
+
+ //write the new voltage to the aux dac
+ this->get_iface()->write_aux_dac(dboard_iface::UNIT_TX, 0, dac_volts);
+
+ //shadow the setting (does not account for precision loss)
+ _tx_pga0_gain = gain;
+}
+
+double wbx_xcvr::set_lo_freq(
+ dboard_iface::unit_t unit,
+ double target_freq
+){
+ if (wbx_debug) std::cerr << boost::format(
+ "WBX tune: target frequency %f Mhz"
+ ) % (target_freq/1e6) << std::endl;
+
+ //clip the input
+ target_freq = std::clip(target_freq, _freq_range.min, _freq_range.max);
+
+ //map prescaler setting to mininmum integer divider (N) values (pg.18 prescaler)
+ static const uhd::dict<int, int> prescaler_to_min_int_div = map_list_of
+ (0,23) //adf4350_regs_t::PRESCALER_4_5
+ (1,75) //adf4350_regs_t::PRESCALER_8_9
+ ;
+
+ //map rf divider select output dividers to enums
+ static const uhd::dict<int, adf4350_regs_t::rf_divider_select_t> rfdivsel_to_enum = map_list_of
+ (1, adf4350_regs_t::RF_DIVIDER_SELECT_DIV1)
+ (2, adf4350_regs_t::RF_DIVIDER_SELECT_DIV2)
+ (4, adf4350_regs_t::RF_DIVIDER_SELECT_DIV4)
+ (8, adf4350_regs_t::RF_DIVIDER_SELECT_DIV8)
+ (16, adf4350_regs_t::RF_DIVIDER_SELECT_DIV16)
+ ;
+
+ double actual_freq, pfd_freq;
+ double ref_freq = this->get_iface()->get_clock_rate(unit);
+ int R, BS, N, FRAC, MOD;
+ int RFdiv = 1;
+ adf4350_regs_t::reference_divide_by_2_t T = adf4350_regs_t::REFERENCE_DIVIDE_BY_2_DISABLED;
+ adf4350_regs_t::reference_doubler_t D = adf4350_regs_t::REFERENCE_DOUBLER_DISABLED;
+
+ //Reference doubler for 50% duty cycle
+ // if ref_freq < 12.5MHz enable regs.reference_divide_by_2
+ if(ref_freq <= 12.5e6) D = adf4350_regs_t::REFERENCE_DOUBLER_ENABLED;
+
+ //increase RF divider until acceptable VCO frequency
+ //start with target_freq*2 because mixer has divide by 2
+ double vco_freq = target_freq*2;
+ while (vco_freq < 2.2e9) {
+ vco_freq *= 2;
+ RFdiv *= 2;
+ }
+
+ //use 8/9 prescaler for vco_freq > 3 GHz (pg.18 prescaler)
+ adf4350_regs_t::prescaler_t prescaler = vco_freq > 3e9 ? adf4350_regs_t::PRESCALER_8_9 : adf4350_regs_t::PRESCALER_4_5;
+
+ /*
+ * The goal here is to loop though possible R dividers,
+ * band select clock dividers, N (int) dividers, and FRAC
+ * (frac) dividers.
+ *
+ * Calculate the N and F dividers for each set of values.
+ * The loop exists when it meets all of the constraints.
+ * The resulting loop values are loaded into the registers.
+ *
+ * from pg.21
+ *
+ * f_pfd = f_ref*(1+D)/(R*(1+T))
+ * f_vco = (N + (FRAC/MOD))*f_pfd
+ * N = f_vco/f_pfd - FRAC/MOD = f_vco*((R*(T+1))/(f_ref*(1+D))) - FRAC/MOD
+ * f_rf = f_vco/RFdiv)
+ * f_actual = f_rf/2
+ */
+ for(R = 1; R <= 1023; R+=1){
+ //PFD input frequency = f_ref/R ... ignoring Reference doubler/divide-by-2 (D & T)
+ pfd_freq = ref_freq*(1+D)/(R*(1+T));
+
+ //keep the PFD frequency at or below 25MHz (Loop Filter Bandwidth)
+ if (pfd_freq > 25e6) continue;
+
+ //ignore fractional part of tuning
+ N = int(std::floor(vco_freq/pfd_freq));
+
+ //keep N > minimum int divider requirement
+ if (N < prescaler_to_min_int_div[prescaler]) continue;
+
+ for(BS=1; BS <= 255; BS+=1){
+ //keep the band select frequency at or below 100KHz
+ //constraint on band select clock
+ if (pfd_freq/BS > 100e3) continue;
+ goto done_loop;
+ }
+ } done_loop:
+
+ //Fractional-N calculation
+ MOD = 4095; //max fractional accuracy
+ FRAC = int((vco_freq/pfd_freq - N)*MOD);
+
+ //Reference divide-by-2 for 50% duty cycle
+ // if R even, move one divide by 2 to to regs.reference_divide_by_2
+ if(R % 2 == 0){
+ T = adf4350_regs_t::REFERENCE_DIVIDE_BY_2_ENABLED;
+ R /= 2;
+ }
+
+ //actual frequency calculation
+ actual_freq = double((N + (double(FRAC)/double(MOD)))*ref_freq*(1+int(D))/(R*(1+int(T)))/RFdiv/2);
+
+
+ if (wbx_debug) {
+ std::cerr << boost::format("WBX Intermediates: ref=%0.2f, outdiv=%f, fbdiv=%f") % (ref_freq*(1+int(D))/(R*(1+int(T)))) % double(RFdiv*2) % double(N + double(FRAC)/double(MOD)) << std::endl;
+
+ std::cerr << boost::format("WBX tune: R=%d, BS=%d, N=%d, FRAC=%d, MOD=%d, T=%d, D=%d, RFdiv=%d, LD=%d"
+ ) % R % BS % N % FRAC % MOD % T % D % RFdiv % get_locked(unit)<< std::endl
+ << boost::format("WBX Frequencies (MHz): REQ=%0.2f, ACT=%0.2f, VCO=%0.2f, PFD=%0.2f, BAND=%0.2f"
+ ) % (target_freq/1e6) % (actual_freq/1e6) % (vco_freq/1e6) % (pfd_freq/1e6) % (pfd_freq/BS/1e6) << std::endl;
+ }
+
+ //load the register values
+ adf4350_regs_t regs;
+
+ regs.frac_12_bit = FRAC;
+ regs.int_16_bit = N;
+ regs.mod_12_bit = MOD;
+ regs.prescaler = prescaler;
+ regs.r_counter_10_bit = R;
+ regs.reference_divide_by_2 = T;
+ regs.reference_doubler = D;
+ regs.band_select_clock_div = BS;
+ regs.rf_divider_select = rfdivsel_to_enum[RFdiv];
+
+ //write the registers
+ //correct power-up sequence to write registers (5, 4, 3, 2, 1, 0)
+ int addr;
+
+ for(addr=5; addr>=0; addr--){
+ if (wbx_debug) std::cerr << boost::format(
+ "WBX SPI Reg (0x%02x): 0x%08x"
+ ) % addr % regs.get_reg(addr) << std::endl;
+ this->get_iface()->write_spi(
+ unit, spi_config_t::EDGE_RISE,
+ regs.get_reg(addr), 32
+ );
+ }
+
+ //return the actual frequency
+ if (wbx_debug) std::cerr << boost::format(
+ "WBX tune: actual frequency %f Mhz"
+ ) % (actual_freq/1e6) << std::endl;
+ return actual_freq;
+}
+
+/***********************************************************************
+ * RX Get and Set
+ **********************************************************************/
+void wbx_xcvr::rx_get(const wax::obj &key_, wax::obj &val){
+ wax::obj key; std::string name;
+ boost::tie(key, name) = extract_named_prop(key_);
+
+ //handle the get request conditioned on the key
+ switch(key.as<subdev_prop_t>()){
+ case SUBDEV_PROP_NAME:
+ val = dboard_id::to_string(get_rx_id());
+ return;
+
+ case SUBDEV_PROP_OTHERS:
+ val = prop_names_t(); //empty
+ return;
+
+ case SUBDEV_PROP_GAIN:
+ UHD_ASSERT_THROW(name == "PGA0");
+ val = _rx_pga0_gain;
+ return;
+
+ case SUBDEV_PROP_GAIN_RANGE:
+ UHD_ASSERT_THROW(name == "PGA0");
+ val = gain_range_t(0, _max_rx_pga0_gain, float(0.5));
+ return;
+
+ case SUBDEV_PROP_GAIN_NAMES:
+ val = prop_names_t(1, "PGA0");
+ return;
+
+ case SUBDEV_PROP_FREQ:
+ val = _rx_lo_freq;
+ return;
+
+ case SUBDEV_PROP_FREQ_RANGE:
+ val = _freq_range;
+ return;
+
+ case SUBDEV_PROP_ANTENNA:
+ val = _rx_ant;
+ return;
+
+ case SUBDEV_PROP_ANTENNA_NAMES:{
+ prop_names_t ants = list_of("TX/RX")("RX2");
+ val = ants;
+ }
+ return;
+
+ case SUBDEV_PROP_QUADRATURE:
+ val = true;
+ return;
+
+ case SUBDEV_PROP_IQ_SWAPPED:
+ val = false;
+ return;
+
+ case SUBDEV_PROP_SPECTRUM_INVERTED:
+ val = false;
+ return;
+
+ case SUBDEV_PROP_USE_LO_OFFSET:
+ val = false;
+ return;
+
+ case SUBDEV_PROP_LO_LOCKED:
+ val = this->get_locked(dboard_iface::UNIT_RX);
+ return;
+
+ default: UHD_THROW_PROP_GET_ERROR();
+ }
+}
+
+void wbx_xcvr::rx_set(const wax::obj &key_, const wax::obj &val){
+ wax::obj key; std::string name;
+ boost::tie(key, name) = extract_named_prop(key_);
+
+ //handle the get request conditioned on the key
+ switch(key.as<subdev_prop_t>()){
+
+ case SUBDEV_PROP_FREQ:
+ set_rx_lo_freq(val.as<double>());
+ return;
+
+ case SUBDEV_PROP_GAIN:
+ UHD_ASSERT_THROW(name == "PGA0");
+ set_rx_pga0_gain(val.as<float>());
+ return;
+
+ case SUBDEV_PROP_ANTENNA:
+ set_rx_ant(val.as<std::string>());
+ return;
+
+ default: UHD_THROW_PROP_SET_ERROR();
+ }
+}
+
+/***********************************************************************
+ * TX Get and Set
+ **********************************************************************/
+void wbx_xcvr::tx_get(const wax::obj &key_, wax::obj &val){
+ wax::obj key; std::string name;
+ boost::tie(key, name) = extract_named_prop(key_);
+
+ //handle the get request conditioned on the key
+ switch(key.as<subdev_prop_t>()){
+ case SUBDEV_PROP_NAME:
+ val = dboard_id::to_string(get_tx_id());
+ return;
+
+ case SUBDEV_PROP_OTHERS:
+ val = prop_names_t(); //empty
+ return;
+
+ case SUBDEV_PROP_GAIN:
+ UHD_ASSERT_THROW(name == "PGA0");
+ val = _tx_pga0_gain;
+ return;
+
+ case SUBDEV_PROP_GAIN_RANGE:
+ UHD_ASSERT_THROW(name == "PGA0");
+ val = gain_range_t(0, _max_tx_pga0_gain, float(0.05));
+ return;
+
+ case SUBDEV_PROP_GAIN_NAMES:
+ val = prop_names_t(1, "PGA0");
+ return;
+
+ case SUBDEV_PROP_FREQ:
+ val = _tx_lo_freq;
+ return;
+
+ case SUBDEV_PROP_FREQ_RANGE:
+ val = _freq_range;
+ return;
+
+ case SUBDEV_PROP_ANTENNA:
+ val = std::string("TX/RX");
+ return;
+
+ case SUBDEV_PROP_ANTENNA_NAMES:
+ val = prop_names_t(1, "TX/RX");
+ return;
+
+ case SUBDEV_PROP_QUADRATURE:
+ val = true;
+ return;
+
+ case SUBDEV_PROP_IQ_SWAPPED:
+ val = false;
+ return;
+
+ case SUBDEV_PROP_SPECTRUM_INVERTED:
+ val = false;
+ return;
+
+ case SUBDEV_PROP_USE_LO_OFFSET:
+ val = false;
+ return;
+
+ case SUBDEV_PROP_LO_LOCKED:
+ val = this->get_locked(dboard_iface::UNIT_TX);
+ return;
+
+ default: UHD_THROW_PROP_GET_ERROR();
+ }
+}
+
+void wbx_xcvr::tx_set(const wax::obj &key_, const wax::obj &val){
+ wax::obj key; std::string name;
+ boost::tie(key, name) = extract_named_prop(key_);
+
+ //handle the get request conditioned on the key
+ switch(key.as<subdev_prop_t>()){
+
+ case SUBDEV_PROP_FREQ:
+ set_tx_lo_freq(val.as<double>());
+ return;
+
+ case SUBDEV_PROP_GAIN:
+ UHD_ASSERT_THROW(name == "PGA0");
+ set_tx_pga0_gain(val.as<float>());
+ return;
+
+ case SUBDEV_PROP_ANTENNA:
+ //its always set to tx/rx, so we only allow this value
+ UHD_ASSERT_THROW(val.as<std::string>() == "TX/RX");
+ return;
+
+ default: UHD_THROW_PROP_SET_ERROR();
+ }
+}