From 941ef7cfe0d6df667802d57277aac097c6c470db Mon Sep 17 00:00:00 2001 From: Jason Abele Date: Fri, 27 Aug 2010 17:09:33 -0700 Subject: Initial SBX-ADI driver --- host/lib/usrp/dboard/CMakeLists.txt | 1 + host/lib/usrp/dboard/db_sbx.cpp | 643 ++++++++++++++++++++++++++++++++++++ 2 files changed, 644 insertions(+) create mode 100644 host/lib/usrp/dboard/db_sbx.cpp (limited to 'host/lib/usrp/dboard') diff --git a/host/lib/usrp/dboard/CMakeLists.txt b/host/lib/usrp/dboard/CMakeLists.txt index 7bd201294..36e988f30 100644 --- a/host/lib/usrp/dboard/CMakeLists.txt +++ b/host/lib/usrp/dboard/CMakeLists.txt @@ -24,6 +24,7 @@ LIBUHD_APPEND_SOURCES( ${CMAKE_CURRENT_SOURCE_DIR}/db_rfx.cpp ${CMAKE_CURRENT_SOURCE_DIR}/db_xcvr2450.cpp ${CMAKE_CURRENT_SOURCE_DIR}/db_wbx.cpp + ${CMAKE_CURRENT_SOURCE_DIR}/db_sbx.cpp ${CMAKE_CURRENT_SOURCE_DIR}/db_dbsrx.cpp ${CMAKE_CURRENT_SOURCE_DIR}/db_unknown.cpp ${CMAKE_CURRENT_SOURCE_DIR}/db_tvrx.cpp diff --git a/host/lib/usrp/dboard/db_sbx.cpp b/host/lib/usrp/dboard/db_sbx.cpp new file mode 100644 index 000000000..188d5615e --- /dev/null +++ b/host/lib/usrp/dboard/db_sbx.cpp @@ -0,0 +1,643 @@ +// +// 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 . +// + +// Common IO Pins +#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 TRSW (1 << 15) // 0 = TX, 1 = RX +#define LNASW (1 << 14) // 0 = TX/RX, 1 = RX2 +#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 + +// TX Attenuator Pins +#define TX_ATTN_SHIFT 8 // lsb of RX Attenuator Control +#define TX_ATTN_MASK (63 << TX_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|ADF4350_CE|ADF4350_PDBRF|TXMOD_EN|TX_ATTN_MASK) + +#define RX_POWER_IO (RX_PUP_5V|RX_PUP_3V) // high enables power supply +#define RXIO_MASK (RX_POWER_IO|TRSW|LNASW|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 TRSW //the tx line is receiving +#define ANT_TXRX 0 //the rx line is on txrx +#define ANT_RX2 LNASW //the rx line in on rx2 +#define ANT_XX 0 //dont care how the antenna is set + +#include "adf4350_regs.hpp" +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +using namespace uhd; +using namespace uhd::usrp; +using namespace boost::assign; + +/*********************************************************************** + * The SBX dboard constants + **********************************************************************/ +static const bool sbx_debug = true; + +static const freq_range_t sbx_freq_range(68.75e6, 4.4e9); + +static const prop_names_t sbx_tx_antennas = list_of("TX/RX"); + +static const prop_names_t sbx_rx_antennas = list_of("TX/RX")("RX2"); + +static const uhd::dict sbx_tx_gain_ranges = map_list_of + ("PGA0", gain_range_t(0, 31.5, float(0.5))) +; + +static const uhd::dict sbx_rx_gain_ranges = map_list_of + ("PGA0", gain_range_t(0, 31.5, float(0.5))) +; + +/*********************************************************************** + * The SBX dboard + **********************************************************************/ +class sbx_xcvr : public xcvr_dboard_base{ +public: + sbx_xcvr(ctor_args_t args); + ~sbx_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: + uhd::dict _tx_gains, _rx_gains; + double _rx_lo_freq, _tx_lo_freq; + std::string _tx_ant, _rx_ant; + + void set_rx_lo_freq(double freq); + 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 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 SBX dboard (min freq, max freq, rx div2, tx div2) + **********************************************************************/ +static dboard_base::sptr make_sbx(dboard_base::ctor_args_t args){ + return dboard_base::sptr(new sbx_xcvr(args)); +} + +UHD_STATIC_BLOCK(reg_sbx_dboards){ + dboard_manager::register_dboard(0x0054, 0x0055, &make_sbx, "SBX"); +} + +/*********************************************************************** + * 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); + 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 (sbx_debug) std::cerr << 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.min + sbx_freq_range.max)/2.0); + set_tx_lo_freq((sbx_freq_range.min + sbx_freq_range.max)/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].min, name); + } + BOOST_FOREACH(const std::string &name, sbx_rx_gain_ranges.keys()){ + set_rx_gain(sbx_rx_gain_ranges[name].min, name); + } +} + +sbx_xcvr::~sbx_xcvr(void){ + /* NOP */ +} + +/*********************************************************************** + * Gain Handling + **********************************************************************/ +static int rx_pga0_gain_to_iobits(float &gain){ + //clip the input + gain = std::clip(gain, sbx_rx_gain_ranges["PGA0"].min, sbx_rx_gain_ranges["PGA0"].max); + + //convert to attenuation and update iobits for atr + float attn = sbx_rx_gain_ranges["PGA0"].max - gain; + + //calculate the RX attenuation + int attn_code = int(floor(attn*2)); + int iobits = ((~attn_code) << RX_ATTN_SHIFT) & RX_ATTN_MASK; + + + if (sbx_debug) std::cerr << boost::format( + "SBX TX Attenuation: %f dB, Code: %d, IO Bits %x, Mask: %x" + ) % attn % attn_code % (iobits & RX_ATTN_MASK) % RX_ATTN_MASK << std::endl; + + //the actual gain setting + gain = sbx_rx_gain_ranges["PGA0"].max - float(attn_code)/2; + + return iobits; +} + +static int tx_pga0_gain_to_iobits(float &gain){ + //clip the input + gain = std::clip(gain, sbx_tx_gain_ranges["PGA0"].min, sbx_tx_gain_ranges["PGA0"].max); + + //convert to attenuation and update iobits for atr + float attn = sbx_tx_gain_ranges["PGA0"].max - gain; + + //calculate the TX attenuation + int attn_code = int(floor(attn*2)); + int iobits = ((~attn_code) << TX_ATTN_SHIFT) & TX_ATTN_MASK; + + + if (sbx_debug) std::cerr << boost::format( + "SBX TX Attenuation: %f dB, Code: %d, IO Bits %x, Mask: %x" + ) % attn % attn_code % (iobits & TX_ATTN_MASK) % TX_ATTN_MASK << std::endl; + + //the actual gain setting + gain = sbx_tx_gain_ranges["PGA0"].max - float(attn_code)/2; + + return iobits; +} + +void sbx_xcvr::set_tx_gain(float gain, const std::string &name){ + assert_has(sbx_tx_gain_ranges.keys(), name, "sbx tx gain name"); + if(name == "PGA0"){ + tx_pga0_gain_to_iobits(gain); + _tx_gains[name] = gain; + + //write the new gain to atr regs + update_atr(); + } + else UHD_THROW_INVALID_CODE_PATH(); +} + +void sbx_xcvr::set_rx_gain(float gain, const std::string &name){ + assert_has(sbx_rx_gain_ranges.keys(), name, "sbx 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(); +} + +/*********************************************************************** + * Antenna Handling + **********************************************************************/ +void sbx_xcvr::update_atr(void){ + //calculate atr pins + int rx_pga0_iobits = rx_pga0_gain_to_iobits(_rx_gains["PGA0"]); + int tx_pga0_iobits = tx_pga0_gain_to_iobits(_tx_gains["PGA0"]); + + //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_pga0_iobits | 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_pga0_iobits | TX_POWER_UP | ANT_XX | TX_MIXER_DIS); + this->get_iface()->set_atr_reg(dboard_iface::UNIT_TX, dboard_iface::ATR_REG_TX_ONLY, + tx_pga0_iobits | TX_POWER_UP | ANT_XX | TX_MIXER_ENB); + this->get_iface()->set_atr_reg(dboard_iface::UNIT_TX, dboard_iface::ATR_REG_FULL_DUPLEX, + tx_pga0_iobits | TX_POWER_UP | ANT_XX | 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_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_iobits | RX_POWER_UP | ANT_TX | RX_MIXER_DIS); + this->get_iface()->set_atr_reg(dboard_iface::UNIT_RX, dboard_iface::ATR_REG_FULL_DUPLEX, + rx_pga0_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_iobits | RX_POWER_UP | RX_MIXER_ENB | ((_rx_ant == "TX/RX")? ANT_TXRX : ANT_RX2)); + if (sbx_debug) std::cerr << boost::format( + "SBX RXONLY ATR REG: 0x%08x" + ) % (rx_pga0_iobits | RX_POWER_UP | RX_MIXER_ENB | ((_rx_ant == "TX/RX")? ANT_TXRX : ANT_RX2)) << std::endl; +} + +void sbx_xcvr::set_rx_ant(const std::string &ant){ + //validate input + assert_has(sbx_rx_antennas, ant, "sbx rx antenna name"); + + //shadow the setting + _rx_ant = ant; + + //write the new antenna setting to atr regs + update_atr(); +} + +void sbx_xcvr::set_tx_ant(const std::string &ant){ + assert_has(sbx_tx_antennas, ant, "sbx tx antenna name"); + //only one antenna option, do nothing +} + +/*********************************************************************** + * Tuning + **********************************************************************/ +void sbx_xcvr::set_rx_lo_freq(double freq){ + _rx_lo_freq = set_lo_freq(dboard_iface::UNIT_RX, freq); +} + +void sbx_xcvr::set_tx_lo_freq(double freq){ + _tx_lo_freq = set_lo_freq(dboard_iface::UNIT_TX, freq); +} + +double sbx_xcvr::set_lo_freq( + dboard_iface::unit_t unit, + double target_freq +){ + if (sbx_debug) std::cerr << boost::format( + "SBX tune: target frequency %f Mhz" + ) % (target_freq/1e6) << std::endl; + + //clip the input + target_freq = std::clip(target_freq, sbx_freq_range.min, sbx_freq_range.max); + + //map prescaler setting to mininmum integer divider (N) values (pg.18 prescaler) + static const uhd::dict 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 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=0, BS=0, N=0, FRAC=0, MOD=0; + 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; + 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); + + + if (sbx_debug) { + std::cerr << boost::format("SBX 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("SBX 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("SBX 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; + UHD_ASSERT_THROW(rfdivsel_to_enum.has_key(RFdiv)); + 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 (sbx_debug) std::cerr << boost::format( + "SBX 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 (sbx_debug) std::cerr << boost::format( + "SBX tune: actual frequency %f Mhz" + ) % (actual_freq/1e6) << std::endl; + return actual_freq; +} + +/*********************************************************************** + * RX Get and Set + **********************************************************************/ +void sbx_xcvr::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()){ + 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(_rx_gains.keys(), key.name, "sbx rx gain name"); + val = _rx_gains[key.name]; + return; + + case SUBDEV_PROP_GAIN_RANGE: + assert_has(sbx_rx_gain_ranges.keys(), key.name, "sbx rx gain name"); + val = sbx_rx_gain_ranges[key.name]; + return; + + case SUBDEV_PROP_GAIN_NAMES: + val = prop_names_t(sbx_rx_gain_ranges.keys()); + return; + + case SUBDEV_PROP_FREQ: + val = _rx_lo_freq; + return; + + case SUBDEV_PROP_FREQ_RANGE: + val = sbx_freq_range; + return; + + case SUBDEV_PROP_ANTENNA: + val = _rx_ant; + return; + + case SUBDEV_PROP_ANTENNA_NAMES: + val = sbx_rx_antennas; + return; + + case SUBDEV_PROP_CONNECTION: + val = SUBDEV_CONN_COMPLEX_IQ; + 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 sbx_xcvr::rx_set(const wax::obj &key_, const wax::obj &val){ + named_prop_t key = named_prop_t::extract(key_); + + //handle the get request conditioned on the key + switch(key.as()){ + + case SUBDEV_PROP_FREQ: + this->set_rx_lo_freq(val.as()); + return; + + case SUBDEV_PROP_GAIN: + this->set_rx_gain(val.as(), key.name); + return; + + case SUBDEV_PROP_ANTENNA: + this->set_rx_ant(val.as()); + return; + + default: UHD_THROW_PROP_SET_ERROR(); + } +} + +/*********************************************************************** + * TX Get and Set + **********************************************************************/ +void sbx_xcvr::tx_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()){ + case SUBDEV_PROP_NAME: + val = get_tx_id().to_pp_string(); + return; + + case SUBDEV_PROP_OTHERS: + val = prop_names_t(); //empty + return; + + case SUBDEV_PROP_GAIN: + assert_has(_tx_gains.keys(), key.name, "sbx tx gain name"); + val = _tx_gains[key.name]; + return; + + case SUBDEV_PROP_GAIN_RANGE: + assert_has(sbx_tx_gain_ranges.keys(), key.name, "sbx tx gain name"); + val = sbx_tx_gain_ranges[key.name]; + return; + + case SUBDEV_PROP_GAIN_NAMES: + val = prop_names_t(sbx_tx_gain_ranges.keys()); + return; + + case SUBDEV_PROP_FREQ: + val = _tx_lo_freq; + return; + + case SUBDEV_PROP_FREQ_RANGE: + val = sbx_freq_range; + return; + + case SUBDEV_PROP_ANTENNA: + val = std::string("TX/RX"); + return; + + case SUBDEV_PROP_ANTENNA_NAMES: + val = sbx_tx_antennas; + return; + + case SUBDEV_PROP_CONNECTION: + val = SUBDEV_CONN_COMPLEX_IQ; + 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 sbx_xcvr::tx_set(const wax::obj &key_, const wax::obj &val){ + named_prop_t key = named_prop_t::extract(key_); + + //handle the get request conditioned on the key + switch(key.as()){ + + case SUBDEV_PROP_FREQ: + this->set_tx_lo_freq(val.as()); + return; + + case SUBDEV_PROP_GAIN: + this->set_tx_gain(val.as(), key.name); + return; + + case SUBDEV_PROP_ANTENNA: + this->set_tx_ant(val.as()); + return; + + default: UHD_THROW_PROP_SET_ERROR(); + } +} -- cgit v1.2.3 From 8882a6677b57910caf2a2cd924f0c55b80b2c303 Mon Sep 17 00:00:00 2001 From: Jason Abele Date: Mon, 27 Sep 2010 14:33:39 -0700 Subject: Capture characterization changes --- host/lib/usrp/dboard/db_sbx.cpp | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) (limited to 'host/lib/usrp/dboard') diff --git a/host/lib/usrp/dboard/db_sbx.cpp b/host/lib/usrp/dboard/db_sbx.cpp index 188d5615e..a636aec45 100644 --- a/host/lib/usrp/dboard/db_sbx.cpp +++ b/host/lib/usrp/dboard/db_sbx.cpp @@ -45,7 +45,7 @@ #define TX_MIXER_ENB (TXMOD_EN|ADF4350_PDBRF) #define TX_MIXER_DIS 0 -#define RX_MIXER_ENB (RXBB_PDB|ADF4350_PDBRF) +#define RX_MIXER_ENB (ADF4350_PDBRF) #define RX_MIXER_DIS 0 // Pin functions @@ -63,11 +63,11 @@ #define RX_POWER_DOWN 0 // Antenna constants -#define ANT_TX 0 //the tx line is transmitting +#define ANT_TX TRSW //the tx line is transmitting #define ANT_RX TRSW //the tx line is receiving -#define ANT_TXRX 0 //the rx line is on txrx -#define ANT_RX2 LNASW //the rx line in on rx2 -#define ANT_XX 0 //dont care how the antenna is set +#define ANT_TXRX TRSW //the rx line is on txrx +#define ANT_RX2 (TRSW|LNASW) //the rx line in on rx2 +#define ANT_XX TRSW //dont care how the antenna is set #include "adf4350_regs.hpp" #include @@ -605,7 +605,7 @@ void sbx_xcvr::tx_get(const wax::obj &key_, wax::obj &val){ return; case SUBDEV_PROP_CONNECTION: - val = SUBDEV_CONN_COMPLEX_IQ; + val = SUBDEV_CONN_COMPLEX_QI; return; case SUBDEV_PROP_USE_LO_OFFSET: -- cgit v1.2.3 From cf7449ef06ed1f188231d0b24294d8139231cb82 Mon Sep 17 00:00:00 2001 From: Jason Abele Date: Fri, 11 Mar 2011 11:56:41 -0800 Subject: Updating SBX to latest UHD --- host/lib/usrp/dboard/db_sbx.cpp | 62 +++++++++++++++++++++++++++++++---------- 1 file changed, 47 insertions(+), 15 deletions(-) (limited to 'host/lib/usrp/dboard') diff --git a/host/lib/usrp/dboard/db_sbx.cpp b/host/lib/usrp/dboard/db_sbx.cpp index a636aec45..c9dca49b0 100644 --- a/host/lib/usrp/dboard/db_sbx.cpp +++ b/host/lib/usrp/dboard/db_sbx.cpp @@ -73,9 +73,11 @@ #include #include #include +#include #include #include #include +#include #include #include #include @@ -181,15 +183,15 @@ sbx_xcvr::sbx_xcvr(ctor_args_t args) : xcvr_dboard_base(args){ ) % RXIO_MASK % TXIO_MASK << std::endl; //set some default values - set_rx_lo_freq((sbx_freq_range.min + sbx_freq_range.max)/2.0); - set_tx_lo_freq((sbx_freq_range.min + sbx_freq_range.max)/2.0); + 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].min, name); + 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].min, name); + set_rx_gain(sbx_rx_gain_ranges[name].start(), name); } } @@ -202,10 +204,10 @@ sbx_xcvr::~sbx_xcvr(void){ **********************************************************************/ static int rx_pga0_gain_to_iobits(float &gain){ //clip the input - gain = std::clip(gain, sbx_rx_gain_ranges["PGA0"].min, sbx_rx_gain_ranges["PGA0"].max); + gain = sbx_rx_gain_ranges["PGA0"].clip(gain); //convert to attenuation and update iobits for atr - float attn = sbx_rx_gain_ranges["PGA0"].max - gain; + float attn = sbx_rx_gain_ranges["PGA0"].stop() - gain; //calculate the RX attenuation int attn_code = int(floor(attn*2)); @@ -217,17 +219,17 @@ 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 = sbx_rx_gain_ranges["PGA0"].max - float(attn_code)/2; + gain = sbx_rx_gain_ranges["PGA0"].stop() - float(attn_code)/2; return iobits; } static int tx_pga0_gain_to_iobits(float &gain){ //clip the input - gain = std::clip(gain, sbx_tx_gain_ranges["PGA0"].min, sbx_tx_gain_ranges["PGA0"].max); + gain = sbx_tx_gain_ranges["PGA0"].clip(gain); //convert to attenuation and update iobits for atr - float attn = sbx_tx_gain_ranges["PGA0"].max - gain; + float attn = sbx_tx_gain_ranges["PGA0"].stop() - gain; //calculate the TX attenuation int attn_code = int(floor(attn*2)); @@ -239,7 +241,7 @@ static int tx_pga0_gain_to_iobits(float &gain){ ) % attn % attn_code % (iobits & TX_ATTN_MASK) % TX_ATTN_MASK << std::endl; //the actual gain setting - gain = sbx_tx_gain_ranges["PGA0"].max - float(attn_code)/2; + gain = sbx_tx_gain_ranges["PGA0"].stop() - float(attn_code)/2; return iobits; } @@ -338,7 +340,7 @@ double sbx_xcvr::set_lo_freq( ) % (target_freq/1e6) << std::endl; //clip the input - target_freq = std::clip(target_freq, sbx_freq_range.min, sbx_freq_range.max); + target_freq = sbx_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 @@ -528,8 +530,17 @@ void sbx_xcvr::rx_get(const wax::obj &key_, wax::obj &val){ val = false; return; - case SUBDEV_PROP_LO_LOCKED: - val = this->get_locked(dboard_iface::UNIT_RX); + case SUBDEV_PROP_SENSOR: + UHD_ASSERT_THROW(key.name == "lo_locked"); + val = sensor_value_t("LO", this->get_locked(dboard_iface::UNIT_RX), "locked", "unlocked"); + return; + + case SUBDEV_PROP_SENSOR_NAMES: + val = prop_names_t(1, "lo_locked"); + return; + + case SUBDEV_PROP_BANDWIDTH: + val = 2*20.0e6; //20MHz low-pass, we want complex double-sided return; default: UHD_THROW_PROP_GET_ERROR(); @@ -554,6 +565,12 @@ void sbx_xcvr::rx_set(const wax::obj &key_, const wax::obj &val){ this->set_rx_ant(val.as()); return; + case SUBDEV_PROP_BANDWIDTH: + uhd::warning::post( + str(boost::format("SBX: No tunable bandwidth, fixed filtered to 40MHz")) + ); + return; + default: UHD_THROW_PROP_SET_ERROR(); } } @@ -612,8 +629,17 @@ void sbx_xcvr::tx_get(const wax::obj &key_, wax::obj &val){ val = false; return; - case SUBDEV_PROP_LO_LOCKED: - val = this->get_locked(dboard_iface::UNIT_TX); + case SUBDEV_PROP_SENSOR: + UHD_ASSERT_THROW(key.name == "lo_locked"); + val = sensor_value_t("LO", this->get_locked(dboard_iface::UNIT_TX), "locked", "unlocked"); + return; + + case SUBDEV_PROP_SENSOR_NAMES: + val = prop_names_t(1, "lo_locked"); + return; + + case SUBDEV_PROP_BANDWIDTH: + val = 2*20.0e6; //20MHz low-pass, we want complex double-sided return; default: UHD_THROW_PROP_GET_ERROR(); @@ -638,6 +664,12 @@ void sbx_xcvr::tx_set(const wax::obj &key_, const wax::obj &val){ this->set_tx_ant(val.as()); return; + case SUBDEV_PROP_BANDWIDTH: + uhd::warning::post( + str(boost::format("SBX: No tunable bandwidth, fixed filtered to 40MHz")) + ); + return; + default: UHD_THROW_PROP_SET_ERROR(); } } -- cgit v1.2.3 From 49ea6363f0adfe159cecdb3f68c318173cb14a47 Mon Sep 17 00:00:00 2001 From: Jason Abele Date: Thu, 17 Mar 2011 10:48:22 -0700 Subject: Makes 2nd SBX proto work --- host/lib/usrp/dboard/db_sbx.cpp | 79 ++++++++++++++++++++++++----------------- 1 file changed, 47 insertions(+), 32 deletions(-) (limited to 'host/lib/usrp/dboard') diff --git a/host/lib/usrp/dboard/db_sbx.cpp b/host/lib/usrp/dboard/db_sbx.cpp index c9dca49b0..40e1a8851 100644 --- a/host/lib/usrp/dboard/db_sbx.cpp +++ b/host/lib/usrp/dboard/db_sbx.cpp @@ -16,18 +16,19 @@ // // Common IO Pins +#define LO_LPF_EN (1 << 15) #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 TRSW (1 << 14) // 0 = TX, 1 = RX #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 TRSW (1 << 15) // 0 = TX, 1 = RX #define LNASW (1 << 14) // 0 = TX/RX, 1 = RX2 #define RX_PUP_5V (1 << 7) // enables 5.0V power supply #define RX_PUP_3V (1 << 6) // enables 3.3V supply @@ -45,15 +46,15 @@ #define TX_MIXER_ENB (TXMOD_EN|ADF4350_PDBRF) #define TX_MIXER_DIS 0 -#define RX_MIXER_ENB (ADF4350_PDBRF) +#define RX_MIXER_ENB (LO_LPF_EN|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|ADF4350_CE|ADF4350_PDBRF|TXMOD_EN|TX_ATTN_MASK) +#define TXIO_MASK (LO_LPF_EN|TX_POWER_IO|TRSW|ADF4350_CE|ADF4350_PDBRF|TXMOD_EN|TX_ATTN_MASK) #define RX_POWER_IO (RX_PUP_5V|RX_PUP_3V) // high enables power supply -#define RXIO_MASK (RX_POWER_IO|TRSW|LNASW|ADF4350_CE|ADF4350_PDBRF|RXBB_PDB|RX_ATTN_MASK) +#define RXIO_MASK (LO_LPF_EN|RX_POWER_IO|LNASW|ADF4350_CE|ADF4350_PDBRF|RXBB_PDB|RX_ATTN_MASK) // Power functions #define TX_POWER_UP (TX_POWER_IO|ADF4350_CE) @@ -63,11 +64,11 @@ #define RX_POWER_DOWN 0 // Antenna constants -#define ANT_TX TRSW //the tx line is transmitting -#define ANT_RX TRSW //the tx line is receiving -#define ANT_TXRX TRSW //the rx line is on txrx -#define ANT_RX2 (TRSW|LNASW) //the rx line in on rx2 -#define ANT_XX TRSW //dont care how the antenna is set +#define ANT_TX 0 //the tx line is transmitting +#define ANT_RX 0 //the tx line is receiving +#define ANT_TXRX LNASW //the rx line is on txrx +#define ANT_RX2 LNASW //the rx line in on rx2 +#define ANT_XX LNASW //dont care how the antenna is set #include "adf4350_regs.hpp" #include @@ -100,11 +101,11 @@ static const prop_names_t sbx_tx_antennas = list_of("TX/RX"); static const prop_names_t sbx_rx_antennas = list_of("TX/RX")("RX2"); static const uhd::dict sbx_tx_gain_ranges = map_list_of - ("PGA0", gain_range_t(0, 31.5, float(0.5))) + ("PGA0", gain_range_t(0, 31.5, double(0.5))) ; static const uhd::dict sbx_rx_gain_ranges = map_list_of - ("PGA0", gain_range_t(0, 31.5, float(0.5))) + ("PGA0", gain_range_t(0, 31.5, double(0.5))) ; /*********************************************************************** @@ -122,7 +123,7 @@ public: void tx_set(const wax::obj &key, const wax::obj &val); private: - uhd::dict _tx_gains, _rx_gains; + uhd::dict _tx_gains, _rx_gains; double _rx_lo_freq, _tx_lo_freq; std::string _tx_ant, _rx_ant; @@ -130,8 +131,8 @@ 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); @@ -202,12 +203,12 @@ sbx_xcvr::~sbx_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 = sbx_rx_gain_ranges["PGA0"].clip(gain); //convert to attenuation and update iobits for atr - float attn = sbx_rx_gain_ranges["PGA0"].stop() - gain; + double attn = sbx_rx_gain_ranges["PGA0"].stop() - gain; //calculate the RX attenuation int attn_code = int(floor(attn*2)); @@ -219,17 +220,17 @@ 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 = sbx_rx_gain_ranges["PGA0"].stop() - float(attn_code)/2; + gain = sbx_rx_gain_ranges["PGA0"].stop() - double(attn_code)/2; return iobits; } -static int tx_pga0_gain_to_iobits(float &gain){ +static int tx_pga0_gain_to_iobits(double &gain){ //clip the input gain = sbx_tx_gain_ranges["PGA0"].clip(gain); //convert to attenuation and update iobits for atr - float attn = sbx_tx_gain_ranges["PGA0"].stop() - gain; + double attn = sbx_tx_gain_ranges["PGA0"].stop() - gain; //calculate the TX attenuation int attn_code = int(floor(attn*2)); @@ -241,12 +242,12 @@ static int tx_pga0_gain_to_iobits(float &gain){ ) % attn % attn_code % (iobits & TX_ATTN_MASK) % TX_ATTN_MASK << std::endl; //the actual gain setting - gain = sbx_tx_gain_ranges["PGA0"].stop() - float(attn_code)/2; + gain = sbx_tx_gain_ranges["PGA0"].stop() - double(attn_code)/2; return iobits; } -void sbx_xcvr::set_tx_gain(float gain, const std::string &name){ +void sbx_xcvr::set_tx_gain(double gain, const std::string &name){ assert_has(sbx_tx_gain_ranges.keys(), name, "sbx tx gain name"); if(name == "PGA0"){ tx_pga0_gain_to_iobits(gain); @@ -258,7 +259,7 @@ void sbx_xcvr::set_tx_gain(float gain, const std::string &name){ else UHD_THROW_INVALID_CODE_PATH(); } -void sbx_xcvr::set_rx_gain(float gain, const std::string &name){ +void sbx_xcvr::set_rx_gain(double gain, const std::string &name){ assert_has(sbx_rx_gain_ranges.keys(), name, "sbx rx gain name"); if(name == "PGA0"){ rx_pga0_gain_to_iobits(gain); @@ -280,25 +281,25 @@ void sbx_xcvr::update_atr(void){ //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_pga0_iobits | TX_POWER_UP | ANT_XX | TX_MIXER_DIS); + tx_pga0_iobits | TX_POWER_UP | TRSW | TX_MIXER_DIS); this->get_iface()->set_atr_reg(dboard_iface::UNIT_TX, dboard_iface::ATR_REG_RX_ONLY, - tx_pga0_iobits | TX_POWER_UP | ANT_XX | TX_MIXER_DIS); + tx_pga0_iobits | TX_POWER_UP | TRSW | TX_MIXER_DIS); this->get_iface()->set_atr_reg(dboard_iface::UNIT_TX, dboard_iface::ATR_REG_TX_ONLY, - tx_pga0_iobits | TX_POWER_UP | ANT_XX | TX_MIXER_ENB); + tx_pga0_iobits | TX_POWER_UP | TRSW | TX_MIXER_ENB); this->get_iface()->set_atr_reg(dboard_iface::UNIT_TX, dboard_iface::ATR_REG_FULL_DUPLEX, - tx_pga0_iobits | TX_POWER_UP | ANT_XX | TX_MIXER_ENB); + tx_pga0_iobits | TX_POWER_UP | TRSW | 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_iobits | RX_POWER_UP | ANT_XX | RX_MIXER_DIS); + rx_pga0_iobits | RX_POWER_UP | LNASW | RX_MIXER_DIS); this->get_iface()->set_atr_reg(dboard_iface::UNIT_RX, dboard_iface::ATR_REG_TX_ONLY, - rx_pga0_iobits | RX_POWER_UP | ANT_TX | RX_MIXER_DIS); + rx_pga0_iobits | RX_POWER_UP | LNASW | RX_MIXER_DIS); this->get_iface()->set_atr_reg(dboard_iface::UNIT_RX, dboard_iface::ATR_REG_FULL_DUPLEX, - rx_pga0_iobits | RX_POWER_UP | ANT_RX2| RX_MIXER_ENB); + rx_pga0_iobits | RX_POWER_UP | LNASW | 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_iobits | RX_POWER_UP | RX_MIXER_ENB | ((_rx_ant == "TX/RX")? ANT_TXRX : ANT_RX2)); + rx_pga0_iobits | RX_POWER_UP | RX_MIXER_ENB | LNASW); //((_rx_ant == "TX/RX")? ANT_TXRX : ANT_RX2)); if (sbx_debug) std::cerr << boost::format( "SBX RXONLY ATR REG: 0x%08x" ) % (rx_pga0_iobits | RX_POWER_UP | RX_MIXER_ENB | ((_rx_ant == "TX/RX")? ANT_TXRX : ANT_RX2)) << std::endl; @@ -530,6 +531,10 @@ void sbx_xcvr::rx_get(const wax::obj &key_, wax::obj &val){ val = false; return; + case SUBDEV_PROP_ENABLED: + val = true; //always enabled + return; + case SUBDEV_PROP_SENSOR: UHD_ASSERT_THROW(key.name == "lo_locked"); val = sensor_value_t("LO", this->get_locked(dboard_iface::UNIT_RX), "locked", "unlocked"); @@ -558,13 +563,16 @@ void sbx_xcvr::rx_set(const wax::obj &key_, const wax::obj &val){ return; case SUBDEV_PROP_GAIN: - this->set_rx_gain(val.as(), key.name); + this->set_rx_gain(val.as(), key.name); return; case SUBDEV_PROP_ANTENNA: this->set_rx_ant(val.as()); return; + case SUBDEV_PROP_ENABLED: + return; //always enabled + case SUBDEV_PROP_BANDWIDTH: uhd::warning::post( str(boost::format("SBX: No tunable bandwidth, fixed filtered to 40MHz")) @@ -629,6 +637,10 @@ void sbx_xcvr::tx_get(const wax::obj &key_, wax::obj &val){ val = false; return; + case SUBDEV_PROP_ENABLED: + val = true; //always enabled + return; + case SUBDEV_PROP_SENSOR: UHD_ASSERT_THROW(key.name == "lo_locked"); val = sensor_value_t("LO", this->get_locked(dboard_iface::UNIT_TX), "locked", "unlocked"); @@ -657,13 +669,16 @@ void sbx_xcvr::tx_set(const wax::obj &key_, const wax::obj &val){ return; case SUBDEV_PROP_GAIN: - this->set_tx_gain(val.as(), key.name); + this->set_tx_gain(val.as(), key.name); return; case SUBDEV_PROP_ANTENNA: this->set_tx_ant(val.as()); return; + case SUBDEV_PROP_ENABLED: + return; //always enabled + case SUBDEV_PROP_BANDWIDTH: uhd::warning::post( str(boost::format("SBX: No tunable bandwidth, fixed filtered to 40MHz")) -- cgit v1.2.3 From 625126b5f11853df58affe94e7adcfb0cf5bcebc Mon Sep 17 00:00:00 2001 From: Jason Abele Date: Thu, 31 Mar 2011 17:00:49 -0700 Subject: SBX enable LO LPF at 1.5GHz --- host/lib/usrp/dboard/db_sbx.cpp | 43 +++++++++++++++++++++++++++++------------ 1 file changed, 31 insertions(+), 12 deletions(-) (limited to 'host/lib/usrp/dboard') diff --git a/host/lib/usrp/dboard/db_sbx.cpp b/host/lib/usrp/dboard/db_sbx.cpp index 40e1a8851..2726332cd 100644 --- a/host/lib/usrp/dboard/db_sbx.cpp +++ b/host/lib/usrp/dboard/db_sbx.cpp @@ -46,7 +46,7 @@ #define TX_MIXER_ENB (TXMOD_EN|ADF4350_PDBRF) #define TX_MIXER_DIS 0 -#define RX_MIXER_ENB (LO_LPF_EN|ADF4350_PDBRF) +#define RX_MIXER_ENB (ADF4350_PDBRF) #define RX_MIXER_DIS 0 // Pin functions @@ -75,7 +75,7 @@ #include #include #include -#include +#include #include #include #include @@ -92,10 +92,22 @@ using namespace boost::assign; /*********************************************************************** * The SBX dboard constants **********************************************************************/ -static const bool sbx_debug = true; +static const bool sbx_debug = false; static const freq_range_t sbx_freq_range(68.75e6, 4.4e9); +static const freq_range_t sbx_tx_lo_2dbm = list_of + (range_t(0.35e9, 0.37e9)) +; + +static const freq_range_t sbx_enable_tx_lo_filter = list_of + (range_t(0.4e9, 1.5e9)) +; + +static const freq_range_t sbx_enable_rx_lo_filter = list_of + (range_t(0.4e9, 1.5e9)) +; + static const prop_names_t sbx_tx_antennas = list_of("TX/RX"); static const prop_names_t sbx_rx_antennas = list_of("TX/RX")("RX2"); @@ -278,28 +290,31 @@ void sbx_xcvr::update_atr(void){ //calculate atr pins int rx_pga0_iobits = rx_pga0_gain_to_iobits(_rx_gains["PGA0"]); int tx_pga0_iobits = tx_pga0_gain_to_iobits(_tx_gains["PGA0"]); + int rx_lo_lpf_en = (_rx_lo_freq == sbx_enable_rx_lo_filter.clip(_rx_lo_freq)) ? LO_LPF_EN : 0; + int tx_lo_lpf_en = (_tx_lo_freq == sbx_enable_tx_lo_filter.clip(_tx_lo_freq)) ? LO_LPF_EN : 0; //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_pga0_iobits | TX_POWER_UP | TRSW | TX_MIXER_DIS); + tx_pga0_iobits | tx_lo_lpf_en | TX_POWER_UP | TRSW | TX_MIXER_DIS); this->get_iface()->set_atr_reg(dboard_iface::UNIT_TX, dboard_iface::ATR_REG_RX_ONLY, - tx_pga0_iobits | TX_POWER_UP | TRSW | TX_MIXER_DIS); + tx_pga0_iobits | tx_lo_lpf_en | TX_POWER_UP | TRSW | TX_MIXER_DIS); this->get_iface()->set_atr_reg(dboard_iface::UNIT_TX, dboard_iface::ATR_REG_TX_ONLY, - tx_pga0_iobits | TX_POWER_UP | TRSW | TX_MIXER_ENB); + tx_pga0_iobits | tx_lo_lpf_en | TX_POWER_UP | TRSW | TX_MIXER_ENB); this->get_iface()->set_atr_reg(dboard_iface::UNIT_TX, dboard_iface::ATR_REG_FULL_DUPLEX, - tx_pga0_iobits | TX_POWER_UP | TRSW | TX_MIXER_ENB); + tx_pga0_iobits | tx_lo_lpf_en | TX_POWER_UP | TRSW | 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_iobits | RX_POWER_UP | LNASW | RX_MIXER_DIS); + rx_pga0_iobits | rx_lo_lpf_en | RX_POWER_UP | LNASW | RX_MIXER_DIS); this->get_iface()->set_atr_reg(dboard_iface::UNIT_RX, dboard_iface::ATR_REG_TX_ONLY, - rx_pga0_iobits | RX_POWER_UP | LNASW | RX_MIXER_DIS); + rx_pga0_iobits | rx_lo_lpf_en | RX_POWER_UP | LNASW | RX_MIXER_DIS); this->get_iface()->set_atr_reg(dboard_iface::UNIT_RX, dboard_iface::ATR_REG_FULL_DUPLEX, - rx_pga0_iobits | RX_POWER_UP | LNASW | RX_MIXER_ENB); + rx_pga0_iobits | rx_lo_lpf_en | RX_POWER_UP | LNASW | 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_iobits | RX_POWER_UP | RX_MIXER_ENB | LNASW); //((_rx_ant == "TX/RX")? ANT_TXRX : ANT_RX2)); + rx_pga0_iobits | rx_lo_lpf_en | RX_POWER_UP | RX_MIXER_ENB | LNASW); + //((_rx_ant == "TX/RX")? ANT_TXRX : ANT_RX2)); if (sbx_debug) std::cerr << boost::format( "SBX RXONLY ATR REG: 0x%08x" ) % (rx_pga0_iobits | RX_POWER_UP | RX_MIXER_ENB | ((_rx_ant == "TX/RX")? ANT_TXRX : ANT_RX2)) << std::endl; @@ -432,7 +447,6 @@ double sbx_xcvr::set_lo_freq( //actual frequency calculation actual_freq = double((N + (double(FRAC)/double(MOD)))*ref_freq*(1+int(D))/(R*(1+int(T)))/RFdiv); - if (sbx_debug) { std::cerr << boost::format("SBX 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; @@ -445,6 +459,11 @@ double sbx_xcvr::set_lo_freq( //load the register values adf4350_regs_t regs; + if ((unit == dboard_iface::UNIT_TX) and (actual_freq == sbx_tx_lo_2dbm.clip(actual_freq))) + regs.output_power = adf4350_regs_t::OUTPUT_POWER_2DBM; + else + regs.output_power = adf4350_regs_t::OUTPUT_POWER_5DBM; + regs.frac_12_bit = FRAC; regs.int_16_bit = N; regs.mod_12_bit = MOD; -- cgit v1.2.3 From a0cfc903bfc8bf5dd74981465131ee5cc045762b Mon Sep 17 00:00:00 2001 From: Jason Abele Date: Mon, 18 Apr 2011 20:54:42 -0700 Subject: Handle antenna switching and LEDs --- host/lib/usrp/dboard/db_sbx.cpp | 156 ++++++++++++++++++++++++++++++---------- 1 file changed, 120 insertions(+), 36 deletions(-) (limited to 'host/lib/usrp/dboard') diff --git a/host/lib/usrp/dboard/db_sbx.cpp b/host/lib/usrp/dboard/db_sbx.cpp index 2726332cd..1fa169304 100644 --- a/host/lib/usrp/dboard/db_sbx.cpp +++ b/host/lib/usrp/dboard/db_sbx.cpp @@ -24,51 +24,53 @@ // TX IO Pins #define TRSW (1 << 14) // 0 = TX, 1 = RX -#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 +#define TX_LED_TXRX (1 << 7) // LED for TX Antenna Selection TX/RX +#define TX_LED_LD (1 << 6) // LED for TX Lock Detect +#define DIS_POWER_TX (1 << 5) // on UNIT_TX, 0 powers up TX +#define TX_ENABLE (1 << 4) // on UNIT_TX, 0 disables TX Mixer // RX IO Pins #define LNASW (1 << 14) // 0 = TX/RX, 1 = RX2 -#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 +#define RX_LED_RX1RX2 (1 << 7) // LED for RX Antenna Selection RX1/RX2 +#define RX_LED_LD (1 << 6) // LED for RX Lock Detect +#define DIS_POWER_RX (1 << 5) // on UNIT_RX, 0 powers up RX +#define RX_DISABLE (1 << 4) // on UNIT_RX, 1 disables RX Mixer and 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 +#define RX_ATTN_MASK (63 << RX_ATTN_SHIFT) // valid bits of RX Attenuator Control // TX Attenuator Pins #define TX_ATTN_SHIFT 8 // lsb of RX Attenuator Control -#define TX_ATTN_MASK (63 << TX_ATTN_SHIFT) // valid bits of RX Attenuator Control +#define TX_ATTN_MASK (63 << TX_ATTN_SHIFT) // valid bits of RX Attenuator Control // Mixer functions -#define TX_MIXER_ENB (TXMOD_EN|ADF4350_PDBRF) +#define TX_MIXER_ENB (ADF4350_PDBRF) #define TX_MIXER_DIS 0 #define RX_MIXER_ENB (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 (LO_LPF_EN|TX_POWER_IO|TRSW|ADF4350_CE|ADF4350_PDBRF|TXMOD_EN|TX_ATTN_MASK) +#define TX_LED_IO (TX_LED_TXRX|TX_LED_LD) // LED gpio lines, pull down for LED +#define TXIO_MASK (LO_LPF_EN|TRSW|ADF4350_CE|ADF4350_PDBRF|TX_ATTN_MASK|DIS_POWER_TX|TX_ENABLE) -#define RX_POWER_IO (RX_PUP_5V|RX_PUP_3V) // high enables power supply -#define RXIO_MASK (LO_LPF_EN|RX_POWER_IO|LNASW|ADF4350_CE|ADF4350_PDBRF|RXBB_PDB|RX_ATTN_MASK) +#define RX_LED_IO (RX_LED_RX1RX2|RX_LED_LD) // LED gpio lines, pull down for LED +#define RXIO_MASK (LO_LPF_EN|LNASW|ADF4350_CE|ADF4350_PDBRF|RX_ATTN_MASK|DIS_POWER_RX|RX_DISABLE) // Power functions -#define TX_POWER_UP (TX_POWER_IO|ADF4350_CE) -#define TX_POWER_DOWN 0 +#define TX_POWER_UP (ADF4350_CE|TX_ENABLE) +#define TX_POWER_DOWN (DIS_POWER_TX) -#define RX_POWER_UP (RX_POWER_IO|ADF4350_CE) -#define RX_POWER_DOWN 0 +#define RX_POWER_UP (ADF4350_CE) +#define RX_POWER_DOWN (DIS_POWER_RX) // Antenna constants -#define ANT_TX 0 //the tx line is transmitting -#define ANT_RX 0 //the tx line is receiving -#define ANT_TXRX LNASW //the rx line is on txrx +#define ANT_TX TRSW //the tx line is transmitting +#define ANT_RX 0 //the tx line is receiving +#define ANT_TXRX 0 //the rx line is on txrx #define ANT_RX2 LNASW //the rx line in on rx2 -#define ANT_XX LNASW //dont care how the antenna is set +#define ANT_XX LNASW //dont care how the antenna is set #include "adf4350_regs.hpp" #include @@ -84,6 +86,7 @@ #include #include #include +#include using namespace uhd; using namespace uhd::usrp; @@ -164,6 +167,77 @@ private: bool get_locked(dboard_iface::unit_t unit){ return (this->get_iface()->read_gpio(unit) & LOCKDET_MASK) != 0; } + + /*! + * Flash the LEDs + */ + void flash_leds(void) { + //Remove LED gpios from ATR control temporarily and set to outputs + 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|RX_LED_IO)); + this->get_iface()->set_gpio_ddr(dboard_iface::UNIT_RX, (RXIO_MASK|RX_LED_IO)); + + /* + //flash All LEDs + for (int i = 0; i < 3; i++) { + this->get_iface()->set_gpio_out(dboard_iface::UNIT_RX, RX_LED_IO, RX_LED_IO); + this->get_iface()->set_gpio_out(dboard_iface::UNIT_TX, TX_LED_IO, TX_LED_IO); + + boost::this_thread::sleep(boost::posix_time::milliseconds(100)); + + this->get_iface()->set_gpio_out(dboard_iface::UNIT_RX, 0, RX_LED_IO); + this->get_iface()->set_gpio_out(dboard_iface::UNIT_TX, 0, TX_LED_IO); + + boost::this_thread::sleep(boost::posix_time::milliseconds(100)); + } + */ + + this->get_iface()->set_gpio_out(dboard_iface::UNIT_TX, TX_LED_LD, TX_LED_IO); + boost::this_thread::sleep(boost::posix_time::milliseconds(100)); + + this->get_iface()->set_gpio_out(dboard_iface::UNIT_TX, TX_LED_TXRX|TX_LED_LD, TX_LED_IO); + boost::this_thread::sleep(boost::posix_time::milliseconds(100)); + + this->get_iface()->set_gpio_out(dboard_iface::UNIT_RX, RX_LED_LD, RX_LED_IO); + boost::this_thread::sleep(boost::posix_time::milliseconds(100)); + + this->get_iface()->set_gpio_out(dboard_iface::UNIT_RX, RX_LED_RX1RX2|RX_LED_LD, RX_LED_IO); + boost::this_thread::sleep(boost::posix_time::milliseconds(100)); + + this->get_iface()->set_gpio_out(dboard_iface::UNIT_RX, RX_LED_LD, RX_LED_IO); + boost::this_thread::sleep(boost::posix_time::milliseconds(100)); + + this->get_iface()->set_gpio_out(dboard_iface::UNIT_RX, 0, RX_LED_IO); + boost::this_thread::sleep(boost::posix_time::milliseconds(100)); + + this->get_iface()->set_gpio_out(dboard_iface::UNIT_TX, TX_LED_LD, TX_LED_IO); + boost::this_thread::sleep(boost::posix_time::milliseconds(100)); + + this->get_iface()->set_gpio_out(dboard_iface::UNIT_TX, 0, TX_LED_IO); + boost::this_thread::sleep(boost::posix_time::milliseconds(100)); + + /* + //flash All LEDs + for (int i = 0; i < 3; i++) { + this->get_iface()->set_gpio_out(dboard_iface::UNIT_RX, 0, RX_LED_IO); + this->get_iface()->set_gpio_out(dboard_iface::UNIT_TX, 0, TX_LED_IO); + + boost::this_thread::sleep(boost::posix_time::milliseconds(100)); + + this->get_iface()->set_gpio_out(dboard_iface::UNIT_RX, RX_LED_IO, RX_LED_IO); + this->get_iface()->set_gpio_out(dboard_iface::UNIT_TX, TX_LED_IO, TX_LED_IO); + + boost::this_thread::sleep(boost::posix_time::milliseconds(100)); + } + */ + //Put LED gpios back in ATR control and update atr + 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)); + } + }; /*********************************************************************** @@ -187,10 +261,14 @@ sbx_xcvr::sbx_xcvr(ctor_args_t args) : xcvr_dboard_base(args){ 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); + 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(); + if (sbx_debug) std::cerr << boost::format( "SBX GPIO Direction: RX: 0x%08x, TX: 0x%08x" ) % RXIO_MASK % TXIO_MASK << std::endl; @@ -292,29 +370,35 @@ void sbx_xcvr::update_atr(void){ int tx_pga0_iobits = tx_pga0_gain_to_iobits(_tx_gains["PGA0"]); int rx_lo_lpf_en = (_rx_lo_freq == sbx_enable_rx_lo_filter.clip(_rx_lo_freq)) ? LO_LPF_EN : 0; int tx_lo_lpf_en = (_tx_lo_freq == sbx_enable_tx_lo_filter.clip(_tx_lo_freq)) ? LO_LPF_EN : 0; + int rx_ld_led = get_locked(dboard_iface::UNIT_RX) ? 0 : RX_LED_LD; + int tx_ld_led = get_locked(dboard_iface::UNIT_TX) ? 0 : TX_LED_LD; + int rx_ant_led = _rx_ant == "TX/RX" ? RX_LED_RX1RX2 : 0; + int tx_ant_led = _rx_ant == "TX/RX" ? 0 : TX_LED_TXRX; //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_pga0_iobits | tx_lo_lpf_en | TX_POWER_UP | TRSW | TX_MIXER_DIS); - this->get_iface()->set_atr_reg(dboard_iface::UNIT_TX, dboard_iface::ATR_REG_RX_ONLY, - tx_pga0_iobits | tx_lo_lpf_en | TX_POWER_UP | TRSW | TX_MIXER_DIS); + tx_pga0_iobits | tx_lo_lpf_en | tx_ld_led | tx_ant_led | TX_POWER_UP | ANT_XX | TX_MIXER_DIS); this->get_iface()->set_atr_reg(dboard_iface::UNIT_TX, dboard_iface::ATR_REG_TX_ONLY, - tx_pga0_iobits | tx_lo_lpf_en | TX_POWER_UP | TRSW | TX_MIXER_ENB); + tx_pga0_iobits | tx_lo_lpf_en | tx_ld_led | tx_ant_led | 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_pga0_iobits | tx_lo_lpf_en | TX_POWER_UP | TRSW | TX_MIXER_ENB); + tx_pga0_iobits | tx_lo_lpf_en | tx_ld_led | tx_ant_led | 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_iobits | rx_lo_lpf_en | RX_POWER_UP | LNASW | RX_MIXER_DIS); + rx_pga0_iobits | rx_lo_lpf_en | rx_ld_led | rx_ant_led | 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_iobits | rx_lo_lpf_en | RX_POWER_UP | LNASW | RX_MIXER_DIS); + rx_pga0_iobits | rx_lo_lpf_en | rx_ld_led | rx_ant_led | RX_POWER_UP | ANT_RX2 | RX_MIXER_DIS); this->get_iface()->set_atr_reg(dboard_iface::UNIT_RX, dboard_iface::ATR_REG_FULL_DUPLEX, - rx_pga0_iobits | rx_lo_lpf_en | RX_POWER_UP | LNASW | RX_MIXER_ENB); + rx_pga0_iobits | rx_lo_lpf_en | rx_ld_led | rx_ant_led | RX_POWER_UP | ANT_RX2 | RX_MIXER_ENB); - //set the rx atr regs that change with antenna setting + //set the atr regs that change with antenna setting + this->get_iface()->set_atr_reg(dboard_iface::UNIT_TX, dboard_iface::ATR_REG_RX_ONLY, + tx_pga0_iobits | tx_lo_lpf_en | tx_ld_led | tx_ant_led | TX_POWER_UP | TX_MIXER_DIS | + ((_rx_ant == "TX/RX")? ANT_RX : ANT_TX)); this->get_iface()->set_atr_reg(dboard_iface::UNIT_RX, dboard_iface::ATR_REG_RX_ONLY, - rx_pga0_iobits | rx_lo_lpf_en | RX_POWER_UP | RX_MIXER_ENB | LNASW); - //((_rx_ant == "TX/RX")? ANT_TXRX : ANT_RX2)); + rx_pga0_iobits | rx_lo_lpf_en | rx_ld_led | rx_ant_led | RX_POWER_UP | RX_MIXER_ENB | + ((_rx_ant == "TX/RX")? ANT_TXRX : ANT_RX2)); + if (sbx_debug) std::cerr << boost::format( "SBX RXONLY ATR REG: 0x%08x" ) % (rx_pga0_iobits | RX_POWER_UP | RX_MIXER_ENB | ((_rx_ant == "TX/RX")? ANT_TXRX : ANT_RX2)) << std::endl; -- cgit v1.2.3 From 7c70958c388ec404458f9fc270b877886ad60994 Mon Sep 17 00:00:00 2001 From: Josh Blum Date: Tue, 26 Apr 2011 14:18:02 -0700 Subject: xcvr2450: initialize the max_power variable --- host/lib/usrp/dboard/db_xcvr2450.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'host/lib/usrp/dboard') diff --git a/host/lib/usrp/dboard/db_xcvr2450.cpp b/host/lib/usrp/dboard/db_xcvr2450.cpp index 70b0bbabd..45f600569 100644 --- a/host/lib/usrp/dboard/db_xcvr2450.cpp +++ b/host/lib/usrp/dboard/db_xcvr2450.cpp @@ -153,7 +153,7 @@ private: */ double get_rssi(void){ //*FIXME* RSSI depends on LNA Gain Setting (datasheet pg 16 top middle chart) - double max_power; + double max_power = 0.0; switch(_max2829_regs.rx_lna_gain){ case 0: case 1: max_power = 0; break; -- cgit v1.2.3 From f92821a275db90e7fa95d64831f4a3f33e533ad0 Mon Sep 17 00:00:00 2001 From: Josh Blum Date: Tue, 26 Apr 2011 14:47:21 -0700 Subject: wbx: split wbx into daughterboard and granddaughterboard implementation --- host/lib/usrp/dboard/CMakeLists.txt | 5 +- host/lib/usrp/dboard/db_wbx.cpp | 677 --------------------------------- host/lib/usrp/dboard/db_wbx_common.cpp | 555 +++++++++++++++++++++++++++ host/lib/usrp/dboard/db_wbx_common.hpp | 72 ++++ host/lib/usrp/dboard/db_wbx_simple.cpp | 251 ++++++++++++ 5 files changed, 881 insertions(+), 679 deletions(-) delete mode 100644 host/lib/usrp/dboard/db_wbx.cpp create mode 100644 host/lib/usrp/dboard/db_wbx_common.cpp create mode 100644 host/lib/usrp/dboard/db_wbx_common.hpp create mode 100644 host/lib/usrp/dboard/db_wbx_simple.cpp (limited to 'host/lib/usrp/dboard') diff --git a/host/lib/usrp/dboard/CMakeLists.txt b/host/lib/usrp/dboard/CMakeLists.txt index 7bd201294..1687713a9 100644 --- a/host/lib/usrp/dboard/CMakeLists.txt +++ b/host/lib/usrp/dboard/CMakeLists.txt @@ -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 @@ -23,7 +23,8 @@ LIBUHD_APPEND_SOURCES( ${CMAKE_CURRENT_SOURCE_DIR}/db_basic_and_lf.cpp ${CMAKE_CURRENT_SOURCE_DIR}/db_rfx.cpp ${CMAKE_CURRENT_SOURCE_DIR}/db_xcvr2450.cpp - ${CMAKE_CURRENT_SOURCE_DIR}/db_wbx.cpp + ${CMAKE_CURRENT_SOURCE_DIR}/db_wbx_common.cpp + ${CMAKE_CURRENT_SOURCE_DIR}/db_wbx_simple.cpp ${CMAKE_CURRENT_SOURCE_DIR}/db_dbsrx.cpp ${CMAKE_CURRENT_SOURCE_DIR}/db_unknown.cpp ${CMAKE_CURRENT_SOURCE_DIR}/db_tvrx.cpp diff --git a/host/lib/usrp/dboard/db_wbx.cpp b/host/lib/usrp/dboard/db_wbx.cpp deleted file mode 100644 index 2e9a1edc8..000000000 --- a/host/lib/usrp/dboard/db_wbx.cpp +++ /dev/null @@ -1,677 +0,0 @@ -// -// 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 -// 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 . -// - -// 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 -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -using namespace uhd; -using namespace uhd::usrp; -using namespace boost::assign; - -/*********************************************************************** - * The WBX dboard constants - **********************************************************************/ -static const bool wbx_debug = false; - -static const freq_range_t wbx_freq_range(68.75e6, 2.2e9); - -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 wbx_tx_gain_ranges = map_list_of - ("PGA0", gain_range_t(0, 25, 0.05)) -; - -static const uhd::dict wbx_rx_gain_ranges = map_list_of - ("PGA0", gain_range_t(0, 31.5, 0.5)) -; - -/*********************************************************************** - * The WBX dboard - **********************************************************************/ -class wbx_xcvr : public xcvr_dboard_base{ -public: - wbx_xcvr(ctor_args_t args); - ~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: - uhd::dict _tx_gains, _rx_gains; - double _rx_lo_freq, _tx_lo_freq; - std::string _tx_ant, _rx_ant; - - void set_rx_lo_freq(double freq); - 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(double gain, const std::string &name); - void set_tx_gain(double gain, const std::string &name); - - 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 args){ - return dboard_base::sptr(new wbx_xcvr(args)); -} - -UHD_STATIC_BLOCK(reg_wbx_dboards){ - dboard_manager::register_dboard(0x0053, 0x0052, &make_wbx, "WBX"); -} - -/*********************************************************************** - * 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); - } -} - -wbx_xcvr::~wbx_xcvr(void){ - /* NOP */ -} - -/*********************************************************************** - * Gain Handling - **********************************************************************/ -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 - double attn = wbx_rx_gain_ranges["PGA0"].stop() - gain; - - //calculate the attenuation - 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; - - //the actual gain setting - gain = wbx_rx_gain_ranges["PGA0"].stop() - double(attn_code)/2; - - return iobits; -} - -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 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 - double 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; - - //the actual gain setting - gain = (dac_volts - min_volts)/slope; - - return dac_volts; -} - -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(); -} - -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(); -} - -/*********************************************************************** - * Antenna Handling - **********************************************************************/ -void wbx_xcvr::update_atr(void){ - //calculate atr pins - int pga0_iobits = rx_pga0_gain_to_iobits(_rx_gains["PGA0"]); - - //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, - pga0_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, - pga0_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, - pga0_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, - pga0_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" - ) % (pga0_iobits | RX_POWER_UP | RX_MIXER_ENB | ((_rx_ant == "TX/RX")? ANT_TXRX : ANT_RX2)) << std::endl; -} - -void wbx_xcvr::set_rx_ant(const std::string &ant){ - //validate input - assert_has(wbx_rx_antennas, ant, "wbx rx antenna name"); - - //shadow the setting - _rx_ant = ant; - - //write the new antenna setting to atr regs - update_atr(); -} - -void wbx_xcvr::set_tx_ant(const std::string &ant){ - assert_has(wbx_tx_antennas, ant, "wbx tx antenna name"); - //only one antenna option, do nothing -} - -/*********************************************************************** - * Tuning - **********************************************************************/ -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); -} - -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 = 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 - (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 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=0, BS=0, N=0, FRAC=0, MOD=0; - 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; - UHD_ASSERT_THROW(rfdivsel_to_enum.has_key(RFdiv)); - 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){ - named_prop_t key = named_prop_t::extract(key_); - - //handle the get request conditioned on the key - switch(key.as()){ - 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(_rx_gains.keys(), key.name, "wbx rx gain name"); - val = _rx_gains[key.name]; - return; - - case SUBDEV_PROP_GAIN_RANGE: - assert_has(wbx_rx_gain_ranges.keys(), key.name, "wbx rx gain name"); - val = wbx_rx_gain_ranges[key.name]; - return; - - case SUBDEV_PROP_GAIN_NAMES: - val = prop_names_t(wbx_rx_gain_ranges.keys()); - return; - - case SUBDEV_PROP_FREQ: - val = _rx_lo_freq; - return; - - case SUBDEV_PROP_FREQ_RANGE: - val = wbx_freq_range; - return; - - case SUBDEV_PROP_ANTENNA: - val = _rx_ant; - return; - - case SUBDEV_PROP_ANTENNA_NAMES: - val = wbx_rx_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(dboard_iface::UNIT_RX), "locked", "unlocked"); - return; - - case SUBDEV_PROP_SENSOR_NAMES: - val = prop_names_t(1, "lo_locked"); - return; - - case SUBDEV_PROP_BANDWIDTH: - val = 2*20.0e6; //20MHz low-pass, we want complex double-sided - return; - - default: UHD_THROW_PROP_GET_ERROR(); - } -} - -void wbx_xcvr::rx_set(const wax::obj &key_, const wax::obj &val){ - named_prop_t key = named_prop_t::extract(key_); - - //handle the get request conditioned on the key - switch(key.as()){ - - case SUBDEV_PROP_FREQ: - this->set_rx_lo_freq(val.as()); - return; - - case SUBDEV_PROP_GAIN: - this->set_rx_gain(val.as(), key.name); - return; - - case SUBDEV_PROP_ANTENNA: - this->set_rx_ant(val.as()); - return; - - case SUBDEV_PROP_ENABLED: - return; //always enabled - - case SUBDEV_PROP_BANDWIDTH: - uhd::warning::post( - str(boost::format("WBX: No tunable bandwidth, fixed filtered to 40MHz")) - ); - return; - - default: UHD_THROW_PROP_SET_ERROR(); - } -} - -/*********************************************************************** - * TX Get and Set - **********************************************************************/ -void wbx_xcvr::tx_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()){ - case SUBDEV_PROP_NAME: - val = get_tx_id().to_pp_string(); - return; - - case SUBDEV_PROP_OTHERS: - val = prop_names_t(); //empty - return; - - case SUBDEV_PROP_GAIN: - assert_has(_tx_gains.keys(), key.name, "wbx tx gain name"); - val = _tx_gains[key.name]; - return; - - case SUBDEV_PROP_GAIN_RANGE: - assert_has(wbx_tx_gain_ranges.keys(), key.name, "wbx tx gain name"); - val = wbx_tx_gain_ranges[key.name]; - return; - - case SUBDEV_PROP_GAIN_NAMES: - val = prop_names_t(wbx_tx_gain_ranges.keys()); - return; - - case SUBDEV_PROP_FREQ: - val = _tx_lo_freq; - return; - - case SUBDEV_PROP_FREQ_RANGE: - val = wbx_freq_range; - return; - - case SUBDEV_PROP_ANTENNA: - val = std::string("TX/RX"); - return; - - case SUBDEV_PROP_ANTENNA_NAMES: - val = wbx_tx_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(dboard_iface::UNIT_TX), "locked", "unlocked"); - return; - - case SUBDEV_PROP_SENSOR_NAMES: - val = prop_names_t(1, "lo_locked"); - return; - - case SUBDEV_PROP_BANDWIDTH: - val = 2*20.0e6; //20MHz low-pass, we want complex double-sided - return; - - default: UHD_THROW_PROP_GET_ERROR(); - } -} - -void wbx_xcvr::tx_set(const wax::obj &key_, const wax::obj &val){ - named_prop_t key = named_prop_t::extract(key_); - - //handle the get request conditioned on the key - switch(key.as()){ - - case SUBDEV_PROP_FREQ: - this->set_tx_lo_freq(val.as()); - return; - - case SUBDEV_PROP_GAIN: - this->set_tx_gain(val.as(), key.name); - return; - - case SUBDEV_PROP_ANTENNA: - this->set_tx_ant(val.as()); - return; - - case SUBDEV_PROP_ENABLED: - return; //always enabled - - case SUBDEV_PROP_BANDWIDTH: - uhd::warning::post( - str(boost::format("WBX: No tunable bandwidth, fixed filtered to 40MHz")) - ); - return; - - default: UHD_THROW_PROP_SET_ERROR(); - } -} diff --git a/host/lib/usrp/dboard/db_wbx_common.cpp b/host/lib/usrp/dboard/db_wbx_common.cpp new file mode 100644 index 000000000..3ad2dac6a --- /dev/null +++ b/host/lib/usrp/dboard/db_wbx_common.cpp @@ -0,0 +1,555 @@ +// +// Copyright 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 +// 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 . +// + +// Common IO Pins +#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 + +// Power functions +#define TX_POWER_UP (TX_PUP_5V|TX_PUP_3V|ADF4350_CE) // high enables power supply +#define TX_POWER_DOWN 0 + +#define RX_POWER_UP (RX_PUP_5V|RX_PUP_3V|ADF4350_CE) // high enables power supply +#define RX_POWER_DOWN 0 + +#include "db_wbx_common.hpp" +#include "adf4350_regs.hpp" +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +using namespace uhd; +using namespace uhd::usrp; +using namespace boost::assign; + +/*********************************************************************** + * The WBX Common dboard constants + **********************************************************************/ +static const bool wbx_debug = false; + +static const uhd::dict wbx_tx_gain_ranges = map_list_of + ("PGA0", gain_range_t(0, 25, 0.05)) +; + +static const uhd::dict wbx_rx_gain_ranges = map_list_of + ("PGA0", gain_range_t(0, 31.5, 0.5)) +; + +/*********************************************************************** + * WBX Common Implementation + **********************************************************************/ +wbx_base::wbx_base(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 + this->get_iface()->set_pin_ctrl(dboard_iface::UNIT_TX, TXMOD_EN|ADF4350_PDBRF); + this->get_iface()->set_pin_ctrl(dboard_iface::UNIT_RX, RXBB_PDB|ADF4350_PDBRF); + this->get_iface()->set_gpio_ddr(dboard_iface::UNIT_TX, TX_PUP_5V|TX_PUP_3V|ADF4350_CE|TXMOD_EN|ADF4350_PDBRF); + this->get_iface()->set_gpio_ddr(dboard_iface::UNIT_RX, RX_PUP_5V|RX_PUP_3V|ADF4350_CE|RXBB_PDB|ADF4350_PDBRF|RX_ATTN_MASK); + + //setup ATR for the mixer enables + this->get_iface()->set_atr_reg(dboard_iface::UNIT_TX, dboard_iface::ATR_REG_IDLE, TX_MIXER_DIS, TX_MIXER_DIS | TX_MIXER_ENB); + this->get_iface()->set_atr_reg(dboard_iface::UNIT_TX, dboard_iface::ATR_REG_RX_ONLY, TX_MIXER_DIS, TX_MIXER_DIS | TX_MIXER_ENB); + this->get_iface()->set_atr_reg(dboard_iface::UNIT_TX, dboard_iface::ATR_REG_TX_ONLY, TX_MIXER_ENB, TX_MIXER_DIS | TX_MIXER_ENB); + this->get_iface()->set_atr_reg(dboard_iface::UNIT_TX, dboard_iface::ATR_REG_FULL_DUPLEX, TX_MIXER_ENB, TX_MIXER_DIS | TX_MIXER_ENB); + + this->get_iface()->set_atr_reg(dboard_iface::UNIT_RX, dboard_iface::ATR_REG_IDLE, RX_MIXER_DIS, RX_MIXER_DIS | RX_MIXER_ENB); + this->get_iface()->set_atr_reg(dboard_iface::UNIT_RX, dboard_iface::ATR_REG_TX_ONLY, RX_MIXER_DIS, RX_MIXER_DIS | RX_MIXER_ENB); + this->get_iface()->set_atr_reg(dboard_iface::UNIT_RX, dboard_iface::ATR_REG_RX_ONLY, RX_MIXER_ENB, RX_MIXER_DIS | RX_MIXER_ENB); + this->get_iface()->set_atr_reg(dboard_iface::UNIT_RX, dboard_iface::ATR_REG_FULL_DUPLEX, RX_MIXER_ENB, RX_MIXER_DIS | RX_MIXER_ENB); + + //set some default values + 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); + } + set_rx_enabled(false); + set_tx_enabled(false); +} + +wbx_base::~wbx_base(void){ + /* NOP */ +} + +/*********************************************************************** + * Enables + **********************************************************************/ +void wbx_base::set_rx_enabled(bool enb){ + this->get_iface()->set_gpio_out(dboard_iface::UNIT_RX, + (enb)? RX_POWER_UP : RX_POWER_DOWN, RX_POWER_UP | RX_POWER_DOWN + ); +} + +void wbx_base::set_tx_enabled(bool enb){ + this->get_iface()->set_gpio_out(dboard_iface::UNIT_TX, + (enb)? TX_POWER_UP : TX_POWER_DOWN, TX_POWER_UP | TX_POWER_DOWN + ); +} + +/*********************************************************************** + * Gain Handling + **********************************************************************/ +static int rx_pga0_gain_to_iobits(double &gain){ + //clip the input + gain = wbx_rx_gain_ranges["PGA0"].clip(gain); + + //convert to attenuation + double attn = wbx_rx_gain_ranges["PGA0"].stop() - gain; + + //calculate the attenuation + 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; + + //the actual gain setting + gain = wbx_rx_gain_ranges["PGA0"].stop() - double(attn_code)/2; + + return iobits; +} + +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 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 + double 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; + + //the actual gain setting + gain = (dac_volts - min_volts)/slope; + + return dac_volts; +} + +void wbx_base::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(); +} + +void wbx_base::set_rx_gain(double gain, const std::string &name){ + assert_has(wbx_rx_gain_ranges.keys(), name, "wbx rx gain name"); + if(name == "PGA0"){ + boost::uint16_t io_bits = rx_pga0_gain_to_iobits(gain); + _rx_gains[name] = gain; + + //write the new gain to rx gpio outputs + this->get_iface()->set_gpio_out(dboard_iface::UNIT_RX, io_bits, RX_ATTN_MASK); + } + else UHD_THROW_INVALID_CODE_PATH(); +} + +/*********************************************************************** + * Tuning + **********************************************************************/ +double wbx_base::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; + + //map prescaler setting to mininmum integer divider (N) values (pg.18 prescaler) + static const uhd::dict 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 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=0, BS=0, N=0, FRAC=0, MOD=0; + 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; + UHD_ASSERT_THROW(rfdivsel_to_enum.has_key(RFdiv)); + 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; +} + +bool wbx_base::get_locked(dboard_iface::unit_t unit){ + return (this->get_iface()->read_gpio(unit) & LOCKDET_MASK) != 0; +} + +/*********************************************************************** + * RX Get and Set + **********************************************************************/ +void wbx_base::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()){ + 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(_rx_gains.keys(), key.name, "wbx rx gain name"); + val = _rx_gains[key.name]; + return; + + case SUBDEV_PROP_GAIN_RANGE: + assert_has(wbx_rx_gain_ranges.keys(), key.name, "wbx rx gain name"); + val = wbx_rx_gain_ranges[key.name]; + return; + + case SUBDEV_PROP_GAIN_NAMES: + val = prop_names_t(wbx_rx_gain_ranges.keys()); + return; + + case SUBDEV_PROP_FREQ: + val = 0.0; + return; + + case SUBDEV_PROP_FREQ_RANGE: + val = freq_range_t(0.0, 0.0, 0.0);; + return; + + case SUBDEV_PROP_ANTENNA: + val = std::string(""); + return; + + case SUBDEV_PROP_ANTENNA_NAMES: + val = prop_names_t(1, ""); + return; + + case SUBDEV_PROP_CONNECTION: + val = SUBDEV_CONN_COMPLEX_IQ; + return; + + case SUBDEV_PROP_ENABLED: + val = _rx_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(dboard_iface::UNIT_RX), "locked", "unlocked"); + return; + + case SUBDEV_PROP_SENSOR_NAMES: + val = prop_names_t(1, "lo_locked"); + return; + + case SUBDEV_PROP_BANDWIDTH: + val = 2*20.0e6; //20MHz low-pass, we want complex double-sided + return; + + default: UHD_THROW_PROP_GET_ERROR(); + } +} + +void wbx_base::rx_set(const wax::obj &key_, const wax::obj &val){ + named_prop_t key = named_prop_t::extract(key_); + + //handle the get request conditioned on the key + switch(key.as()){ + + case SUBDEV_PROP_GAIN: + this->set_rx_gain(val.as(), key.name); + return; + + case SUBDEV_PROP_ENABLED: + _rx_enabled = val.as(); + this->set_rx_enabled(_rx_enabled); + return; + + case SUBDEV_PROP_BANDWIDTH: + uhd::warning::post( + str(boost::format("WBX: No tunable bandwidth, fixed filtered to 40MHz")) + ); + return; + + default: UHD_THROW_PROP_SET_ERROR(); + } +} + +/*********************************************************************** + * TX Get and Set + **********************************************************************/ +void wbx_base::tx_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()){ + case SUBDEV_PROP_NAME: + val = get_tx_id().to_pp_string(); + return; + + case SUBDEV_PROP_OTHERS: + val = prop_names_t(); //empty + return; + + case SUBDEV_PROP_GAIN: + assert_has(_tx_gains.keys(), key.name, "wbx tx gain name"); + val = _tx_gains[key.name]; + return; + + case SUBDEV_PROP_GAIN_RANGE: + assert_has(wbx_tx_gain_ranges.keys(), key.name, "wbx tx gain name"); + val = wbx_tx_gain_ranges[key.name]; + return; + + case SUBDEV_PROP_GAIN_NAMES: + val = prop_names_t(wbx_tx_gain_ranges.keys()); + return; + + case SUBDEV_PROP_FREQ: + val = 0.0; + return; + + case SUBDEV_PROP_FREQ_RANGE: + val = freq_range_t(0.0, 0.0, 0.0); + return; + + case SUBDEV_PROP_ANTENNA: + val = std::string(""); + return; + + case SUBDEV_PROP_ANTENNA_NAMES: + val = prop_names_t(1, ""); + return; + + case SUBDEV_PROP_CONNECTION: + val = SUBDEV_CONN_COMPLEX_IQ; + return; + + case SUBDEV_PROP_ENABLED: + val = _tx_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(dboard_iface::UNIT_TX), "locked", "unlocked"); + return; + + case SUBDEV_PROP_SENSOR_NAMES: + val = prop_names_t(1, "lo_locked"); + return; + + case SUBDEV_PROP_BANDWIDTH: + val = 2*20.0e6; //20MHz low-pass, we want complex double-sided + return; + + default: UHD_THROW_PROP_GET_ERROR(); + } +} + +void wbx_base::tx_set(const wax::obj &key_, const wax::obj &val){ + named_prop_t key = named_prop_t::extract(key_); + + //handle the get request conditioned on the key + switch(key.as()){ + + case SUBDEV_PROP_GAIN: + this->set_tx_gain(val.as(), key.name); + return; + + case SUBDEV_PROP_ENABLED: + _tx_enabled = val.as(); + this->set_tx_enabled(_tx_enabled); + return; + + case SUBDEV_PROP_BANDWIDTH: + uhd::warning::post( + str(boost::format("WBX: No tunable bandwidth, fixed filtered to 40MHz")) + ); + return; + + default: UHD_THROW_PROP_SET_ERROR(); + } +} diff --git a/host/lib/usrp/dboard/db_wbx_common.hpp b/host/lib/usrp/dboard/db_wbx_common.hpp new file mode 100644 index 000000000..07e84a565 --- /dev/null +++ b/host/lib/usrp/dboard/db_wbx_common.hpp @@ -0,0 +1,72 @@ +// +// Copyright 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 +// 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 . +// + +#ifndef INCLUDED_LIBUHD_USRP_DBOARD_DB_WBX_COMMON_HPP +#define INCLUDED_LIBUHD_USRP_DBOARD_DB_WBX_COMMON_HPP + +#include "adf4350_regs.hpp" +#include +#include +#include +#include + +namespace uhd{ namespace usrp{ + +/*********************************************************************** + * The WBX dboard base class + **********************************************************************/ +class wbx_base : public xcvr_dboard_base{ +public: + wbx_base(ctor_args_t args); + virtual ~wbx_base(void); + +protected: + virtual void set_rx_gain(double gain, const std::string &name); + virtual void set_tx_gain(double gain, const std::string &name); + + virtual void set_rx_enabled(bool enb); + virtual void set_tx_enabled(bool enb); + + 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); + + /*! + * 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 + */ + virtual 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 + */ + virtual bool get_locked(dboard_iface::unit_t unit); + +private: + uhd::dict _tx_gains, _rx_gains; + bool _rx_enabled, _tx_enabled; +}; + +}} //namespace uhd::usrp + +#endif /* INCLUDED_LIBUHD_USRP_DBOARD_DB_WBX_COMMON_HPP */ diff --git a/host/lib/usrp/dboard/db_wbx_simple.cpp b/host/lib/usrp/dboard/db_wbx_simple.cpp new file mode 100644 index 000000000..390b4474b --- /dev/null +++ b/host/lib/usrp/dboard/db_wbx_simple.cpp @@ -0,0 +1,251 @@ +// +// Copyright 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 +// 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 . +// + +// Antenna constants +#define ANTSW_IO ((1 << 5)|(1 << 15)) // on UNIT_TX, 0 = TX, 1 = RX, on UNIT_RX 0 = main ant, 1 = RX2 +#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 "db_wbx_common.hpp" +#include +#include +#include +#include +#include + +using namespace uhd; +using namespace uhd::usrp; +using namespace boost::assign; + +/*********************************************************************** + * The WBX Simple dboard constants + **********************************************************************/ +static const bool wbx_debug = false; + +static const freq_range_t wbx_freq_range(68.75e6, 2.2e9); + +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"); + +/*********************************************************************** + * The WBX simple implementation + **********************************************************************/ +class wbx_simple : public wbx_base{ +public: + wbx_simple(ctor_args_t args); + ~wbx_simple(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: + void set_rx_lo_freq(double freq); + void set_tx_lo_freq(double freq); + double _rx_lo_freq, _tx_lo_freq; + + void set_rx_ant(const std::string &ant); + void set_tx_ant(const std::string &ant); + std::string _rx_ant; +}; + +/*********************************************************************** + * Register the WBX simple implementation + **********************************************************************/ +static dboard_base::sptr make_wbx_simple(dboard_base::ctor_args_t args){ + return dboard_base::sptr(new wbx_simple(args)); +} + +UHD_STATIC_BLOCK(reg_wbx_simple_dboards){ + dboard_manager::register_dboard(0x0053, 0x0052, &make_wbx_simple, "WBX"); + dboard_manager::register_dboard(0x0053, 0x004f, &make_wbx_simple, "WBX + Simple GDB"); +} + +/*********************************************************************** + * Structors + **********************************************************************/ +wbx_simple::wbx_simple(ctor_args_t args) : wbx_base(args){ + + //set the gpio directions and atr controls (antenna switches all under ATR) + this->get_iface()->set_pin_ctrl(dboard_iface::UNIT_TX, ANTSW_IO, ANTSW_IO); + this->get_iface()->set_pin_ctrl(dboard_iface::UNIT_RX, ANTSW_IO, ANTSW_IO); + this->get_iface()->set_gpio_ddr(dboard_iface::UNIT_TX, ANTSW_IO, ANTSW_IO); + this->get_iface()->set_gpio_ddr(dboard_iface::UNIT_RX, ANTSW_IO, ANTSW_IO); + + //setup ATR for the antenna switches (constant) + this->get_iface()->set_atr_reg(dboard_iface::UNIT_TX, dboard_iface::ATR_REG_IDLE, ANT_XX, ANTSW_IO); + this->get_iface()->set_atr_reg(dboard_iface::UNIT_TX, dboard_iface::ATR_REG_RX_ONLY, ANT_RX, ANTSW_IO); + this->get_iface()->set_atr_reg(dboard_iface::UNIT_TX, dboard_iface::ATR_REG_TX_ONLY, ANT_TX, ANTSW_IO); + this->get_iface()->set_atr_reg(dboard_iface::UNIT_TX, dboard_iface::ATR_REG_FULL_DUPLEX, ANT_TX, ANTSW_IO); + + this->get_iface()->set_atr_reg(dboard_iface::UNIT_RX, dboard_iface::ATR_REG_IDLE, ANT_XX, ANTSW_IO); + this->get_iface()->set_atr_reg(dboard_iface::UNIT_RX, dboard_iface::ATR_REG_RX_ONLY, ANT_XX, ANTSW_IO); + this->get_iface()->set_atr_reg(dboard_iface::UNIT_RX, dboard_iface::ATR_REG_FULL_DUPLEX, ANT_RX2, ANTSW_IO); + + //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"); +} + +wbx_simple::~wbx_simple(void){ + /* NOP */ +} + +/*********************************************************************** + * Antennas + **********************************************************************/ +void wbx_simple::set_rx_ant(const std::string &ant){ + //validate input + assert_has(wbx_rx_antennas, ant, "wbx rx antenna name"); + + //shadow the setting + _rx_ant = ant; + + //write the new antenna setting to atr regs + this->get_iface()->set_atr_reg(dboard_iface::UNIT_RX, dboard_iface::ATR_REG_RX_ONLY, ((_rx_ant == "TX/RX")? ANT_TXRX : ANT_RX2), ANTSW_IO); +} + +void wbx_simple::set_tx_ant(const std::string &ant){ + assert_has(wbx_tx_antennas, ant, "wbx tx antenna name"); + //only one antenna option, do nothing +} + +/*********************************************************************** + * Tuning + **********************************************************************/ +void wbx_simple::set_rx_lo_freq(double freq){ + _rx_lo_freq = set_lo_freq(dboard_iface::UNIT_RX, wbx_freq_range.clip(freq)); +} + +void wbx_simple::set_tx_lo_freq(double freq){ + _tx_lo_freq = set_lo_freq(dboard_iface::UNIT_TX, wbx_freq_range.clip(freq)); +} + +/*********************************************************************** + * RX Get and Set + **********************************************************************/ +void wbx_simple::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()){ + case SUBDEV_PROP_NAME: + val = std::string("WBX RX + Simple GDB"); + return; + + case SUBDEV_PROP_FREQ: + val = _rx_lo_freq; + return; + + case SUBDEV_PROP_FREQ_RANGE: + val = wbx_freq_range; + return; + + case SUBDEV_PROP_ANTENNA: + val = _rx_ant; + return; + + case SUBDEV_PROP_ANTENNA_NAMES: + val = wbx_rx_antennas; + return; + + default: + //call into the base class for other properties + wbx_base::rx_get(key_, val); + } +} + +void wbx_simple::rx_set(const wax::obj &key_, const wax::obj &val){ + named_prop_t key = named_prop_t::extract(key_); + + //handle the get request conditioned on the key + switch(key.as()){ + + case SUBDEV_PROP_FREQ: + this->set_rx_lo_freq(val.as()); + return; + + case SUBDEV_PROP_ANTENNA: + this->set_rx_ant(val.as()); + return; + + default: + //call into the base class for other properties + wbx_base::rx_set(key_, val); + } +} + +/*********************************************************************** + * TX Get and Set + **********************************************************************/ +void wbx_simple::tx_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()){ + case SUBDEV_PROP_NAME: + val = std::string("WBX TX + Simple GDB"); + return; + + case SUBDEV_PROP_FREQ: + val = _tx_lo_freq; + return; + + case SUBDEV_PROP_FREQ_RANGE: + val = wbx_freq_range; + return; + + case SUBDEV_PROP_ANTENNA: + val = std::string("TX/RX"); + return; + + case SUBDEV_PROP_ANTENNA_NAMES: + val = wbx_tx_antennas; + return; + + default: + //call into the base class for other properties + wbx_base::tx_get(key_, val); + } +} + +void wbx_simple::tx_set(const wax::obj &key_, const wax::obj &val){ + named_prop_t key = named_prop_t::extract(key_); + + //handle the get request conditioned on the key + switch(key.as()){ + + case SUBDEV_PROP_FREQ: + this->set_tx_lo_freq(val.as()); + return; + + case SUBDEV_PROP_ANTENNA: + this->set_tx_ant(val.as()); + return; + + default: + //call into the base class for other properties + wbx_base::tx_set(key_, val); + } +} -- cgit v1.2.3 From 1a81e2a35ff1d288e87eb1e65911c1a97588217c Mon Sep 17 00:00:00 2001 From: Josh Blum Date: Tue, 26 Apr 2011 16:37:07 -0700 Subject: Enhance WBX IQ balance performance through LO drive --- host/lib/usrp/dboard/db_wbx_common.cpp | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) (limited to 'host/lib/usrp/dboard') diff --git a/host/lib/usrp/dboard/db_wbx_common.cpp b/host/lib/usrp/dboard/db_wbx_common.cpp index 3ad2dac6a..eb239c305 100644 --- a/host/lib/usrp/dboard/db_wbx_common.cpp +++ b/host/lib/usrp/dboard/db_wbx_common.cpp @@ -329,6 +329,35 @@ double wbx_base::set_lo_freq( UHD_ASSERT_THROW(rfdivsel_to_enum.has_key(RFdiv)); regs.rf_divider_select = rfdivsel_to_enum[RFdiv]; + if (unit == dboard_iface::UNIT_RX) { + freq_range_t rx_lo_5dbm = list_of + (range_t(0.05e9, 1.4e9)) + ; + + freq_range_t rx_lo_2dbm = list_of + (range_t(1.4e9, 2.2e9)) + ; + + if (actual_freq == rx_lo_5dbm.clip(actual_freq)) regs.output_power = adf4350_regs_t::OUTPUT_POWER_5DBM; + + if (actual_freq == rx_lo_2dbm.clip(actual_freq)) regs.output_power = adf4350_regs_t::OUTPUT_POWER_2DBM; + + } else if (unit == dboard_iface::UNIT_TX) { + freq_range_t tx_lo_5dbm = list_of + (range_t(0.05e9, 1.7e9)) + (range_t(1.9e9, 2.2e9)) + ; + + freq_range_t tx_lo_m1dbm = list_of + (range_t(1.7e9, 1.9e9)) + ; + + if (actual_freq == tx_lo_5dbm.clip(actual_freq)) regs.output_power = adf4350_regs_t::OUTPUT_POWER_5DBM; + + if (actual_freq == tx_lo_m1dbm.clip(actual_freq)) regs.output_power = adf4350_regs_t::OUTPUT_POWER_M1DBM; + + } + //write the registers //correct power-up sequence to write registers (5, 4, 3, 2, 1, 0) int addr; -- cgit v1.2.3 From 546b5b882902a065c667b45d0529978340457786 Mon Sep 17 00:00:00 2001 From: Josh Blum Date: Sat, 16 Apr 2011 17:51:05 +0100 Subject: rfx: reverted change, now prefer R divider to clock divider There seems to be some issue using lower clock rates, at least on E100, I am reverting this now until I can figure out why it happens, or until I can find a more stable way to offer this feature. --- host/lib/usrp/dboard/db_rfx.cpp | 39 +++++++++++++++++---------------------- 1 file changed, 17 insertions(+), 22 deletions(-) (limited to 'host/lib/usrp/dboard') diff --git a/host/lib/usrp/dboard/db_rfx.cpp b/host/lib/usrp/dboard/db_rfx.cpp index f938c749a..725b5cc03 100644 --- a/host/lib/usrp/dboard/db_rfx.cpp +++ b/host/lib/usrp/dboard/db_rfx.cpp @@ -312,8 +312,7 @@ double rfx_xcvr::set_lo_freq( (8, adf4360_regs_t::BAND_SELECT_CLOCK_DIV_8) ; - std::vector clock_rates = this->get_iface()->get_clock_rates(unit); - double actual_freq = 0, ref_freq = 0; + double actual_freq=0, ref_freq = this->get_iface()->get_clock_rate(unit); int R=0, BS=0, P=0, B=0, A=0; /* @@ -326,31 +325,27 @@ double rfx_xcvr::set_lo_freq( * fvco = [P*B + A] * fref/R * fvco*R/fref = P*B + A = N */ - for(R = 1; R <= 32; R+=((R==1)?1:2)){ - BOOST_FOREACH(ref_freq, uhd::reversed(uhd::sorted(clock_rates))){ - BOOST_FOREACH(BS, bandsel_to_enum.keys()){ - if (ref_freq/R/BS > 1e6) continue; //constraint on band select clock - BOOST_FOREACH(P, prescaler_to_enum.keys()){ - //calculate B and A from N - double N = target_freq*R/ref_freq; - B = int(std::floor(N/P)); - A = boost::math::iround(N - P*B); - if (B < A or B > 8191 or B < 3 or A > 31) continue; //constraints on A, B - //calculate the actual frequency - actual_freq = double(P*B + A)*ref_freq/R; - if (actual_freq/P > 300e6) continue; //constraint on prescaler output - //constraints met: exit loop - goto done_loop; - } + for(R = 2; R <= 32; R+=2){ + BOOST_FOREACH(BS, bandsel_to_enum.keys()){ + if (ref_freq/R/BS > 1e6) continue; //constraint on band select clock + BOOST_FOREACH(P, prescaler_to_enum.keys()){ + //calculate B and A from N + double N = target_freq*R/ref_freq; + B = int(std::floor(N/P)); + A = boost::math::iround(N - P*B); + if (B < A or B > 8191 or B < 3 or A > 31) continue; //constraints on A, B + //calculate the actual frequency + actual_freq = double(P*B + A)*ref_freq/R; + if (actual_freq/P > 300e6) continue; //constraint on prescaler output + //constraints met: exit loop + goto done_loop; } } } done_loop: if (rfx_debug) std::cerr << boost::format( - "RFX tune: R=%d, BS=%d, P=%d, B=%d, A=%d, DIV2=%d, ref=%fMHz" - ) % R % BS % P % B % A % int(_div2[unit] && (!is_rx_rfx400)) % (ref_freq/1e6) << std::endl; - - this->get_iface()->set_clock_rate(unit, ref_freq); + "RFX tune: R=%d, BS=%d, P=%d, B=%d, A=%d, DIV2=%d" + ) % R % BS % P % B % A % int(_div2[unit] && (!is_rx_rfx400)) << std::endl; //load the register values adf4360_regs_t regs; -- cgit v1.2.3 From 424462cb99a3c4b12ac8a79ed9bb0670e1426cba Mon Sep 17 00:00:00 2001 From: Josh Blum Date: Thu, 28 Apr 2011 21:11:36 -0700 Subject: dbsrx: implement SUBDEV_PROP_ANTENNA to give users a better error --- host/lib/usrp/dboard/db_dbsrx.cpp | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'host/lib/usrp/dboard') diff --git a/host/lib/usrp/dboard/db_dbsrx.cpp b/host/lib/usrp/dboard/db_dbsrx.cpp index b984608ca..8fdd4f953 100644 --- a/host/lib/usrp/dboard/db_dbsrx.cpp +++ b/host/lib/usrp/dboard/db_dbsrx.cpp @@ -543,7 +543,7 @@ void dbsrx::rx_get(const wax::obj &key_, wax::obj &val){ return; case SUBDEV_PROP_ANTENNA: - val = std::string("J3"); + val = dbsrx_antennas.at(0); return; case SUBDEV_PROP_ANTENNA_NAMES: @@ -589,6 +589,10 @@ void dbsrx::rx_set(const wax::obj &key_, const wax::obj &val){ this->set_lo_freq(val.as()); return; + case SUBDEV_PROP_ANTENNA: + assert_has(dbsrx_antennas, val.as(), "DBSRX antenna name"); + return; + case SUBDEV_PROP_GAIN: this->set_gain(val.as(), key.name); return; -- cgit v1.2.3