diff options
Diffstat (limited to 'host/lib/usrp/dboard/db_wbx_common.cpp')
| -rw-r--r-- | host/lib/usrp/dboard/db_wbx_common.cpp | 486 |
1 files changed, 44 insertions, 442 deletions
diff --git a/host/lib/usrp/dboard/db_wbx_common.cpp b/host/lib/usrp/dboard/db_wbx_common.cpp index c7f8ba55d..63f70e3d5 100644 --- a/host/lib/usrp/dboard/db_wbx_common.cpp +++ b/host/lib/usrp/dboard/db_wbx_common.cpp @@ -15,151 +15,22 @@ // along with this program. If not, see <http://www.gnu.org/licenses/>. // -// 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 - -// TX Attenuator Pins (v3 only) -#define TX_ATTN_16 (1 << 14) -#define TX_ATTN_8 (1 << 5) -#define TX_ATTN_4 (1 << 4) -#define TX_ATTN_2 (1 << 3) -#define TX_ATTN_1 (1 << 1) -#define TX_ATTN_MASK (TX_ATTN_16|TX_ATTN_8|TX_ATTN_4|TX_ATTN_2|TX_ATTN_1) // valid bits of TX Attenuator Control - -// Mixer functions -#define TX_MIXER_ENB (TXMOD_EN|ADF4350_PDBRF) // for v3, TXMOD_EN tied to ADF4350_PDBRF rather than separate -#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) // 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 <uhd/utils/log.hpp> #include <uhd/types/dict.hpp> #include <uhd/types/ranges.hpp> #include <uhd/types/sensors.hpp> #include <uhd/utils/assert_has.hpp> #include <uhd/utils/algorithm.hpp> #include <uhd/utils/msg.hpp> -#include <uhd/usrp/dboard_base.hpp> -#include <boost/assign/list_of.hpp> -#include <boost/format.hpp> -#include <boost/math/special_functions/round.hpp> using namespace uhd; using namespace uhd::usrp; using namespace boost::assign; -/*********************************************************************** - * The WBX Common dboard constants - **********************************************************************/ -static const uhd::dict<std::string, gain_range_t> wbx_tx_gain_ranges = map_list_of - ("PGA0", gain_range_t(0, 25, 0.05)) -; - -static const uhd::dict<std::string, gain_range_t> wbx_v3_tx_gain_ranges = map_list_of - ("PGA0", gain_range_t(0, 31, 1.0)) -; - -static const uhd::dict<std::string, gain_range_t> 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); - - //v3 has different io bits for attenuator control - int v3_iobits = is_v3() ? TX_ATTN_MASK : ADF4350_CE; - int v3_tx_mod = is_v3() ? ADF4350_PDBRF : TXMOD_EN|ADF4350_PDBRF; - - //set the gpio directions and atr controls - this->get_iface()->set_pin_ctrl(dboard_iface::UNIT_TX, v3_tx_mod); - 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|v3_tx_mod|v3_iobits); - 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 (always enabled to prevent phase slip between bursts) - this->get_iface()->set_atr_reg(dboard_iface::UNIT_TX, dboard_iface::ATR_REG_IDLE, v3_tx_mod, TX_MIXER_DIS | v3_tx_mod); - this->get_iface()->set_atr_reg(dboard_iface::UNIT_TX, dboard_iface::ATR_REG_RX_ONLY, v3_tx_mod, TX_MIXER_DIS | v3_tx_mod); - this->get_iface()->set_atr_reg(dboard_iface::UNIT_TX, dboard_iface::ATR_REG_TX_ONLY, v3_tx_mod, TX_MIXER_DIS | v3_tx_mod); - this->get_iface()->set_atr_reg(dboard_iface::UNIT_TX, dboard_iface::ATR_REG_FULL_DUPLEX, v3_tx_mod, TX_MIXER_DIS | v3_tx_mod); - - this->get_iface()->set_atr_reg(dboard_iface::UNIT_RX, dboard_iface::ATR_REG_IDLE, RX_MIXER_ENB, RX_MIXER_DIS | RX_MIXER_ENB); - this->get_iface()->set_atr_reg(dboard_iface::UNIT_RX, dboard_iface::ATR_REG_TX_ONLY, RX_MIXER_ENB, 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 - if (is_v3()) { - BOOST_FOREACH(const std::string &name, wbx_v3_tx_gain_ranges.keys()){ - set_tx_gain(wbx_v3_tx_gain_ranges[name].start(), name); - } - } - else { - 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 | ADF4350_CE : TX_POWER_DOWN, TX_POWER_UP | TX_POWER_DOWN | (is_v3() ? 0 : ADF4350_CE) - ); -} /*********************************************************************** - * Gain Handling + * Gain-related functions **********************************************************************/ static int rx_pga0_gain_to_iobits(double &gain){ //clip the input @@ -182,79 +53,50 @@ static int rx_pga0_gain_to_iobits(double &gain){ return iobits; } -//v3 TX gains -static int tx_pga0_gain_to_iobits(double &gain){ - //clip the input - gain = wbx_v3_tx_gain_ranges["PGA0"].clip(gain); - - //convert to attenuation - double attn = wbx_v3_tx_gain_ranges["PGA0"].stop() - gain; - //calculate the attenuation - int attn_code = boost::math::iround(attn); - int iobits = ( - (attn_code & 16 ? 0 : TX_ATTN_16) | - (attn_code & 8 ? 0 : TX_ATTN_8) | - (attn_code & 4 ? 0 : TX_ATTN_4) | - (attn_code & 2 ? 0 : TX_ATTN_2) | - (attn_code & 1 ? 0 : TX_ATTN_1) - ) & TX_ATTN_MASK; - - UHD_LOGV(often) << boost::format( - "WBX 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 = wbx_v3_tx_gain_ranges["PGA0"].stop() - double(attn_code); - - return iobits; +/*********************************************************************** + * WBX Common Implementation + **********************************************************************/ +wbx_base::wbx_base(ctor_args_t args) : xcvr_dboard_base(args){ + switch(get_rx_id().to_uint16()) { + case 0x053: + db_actual = wbx_versionx_sptr(new wbx_version2(this)); + return; + case 0x057: + db_actual = wbx_versionx_sptr(new wbx_version3(this)); + return; + case 0x063: + db_actual = wbx_versionx_sptr(new wbx_version4(this)); + return; + default: + /* We didn't recognize the version of the board... */ + UHD_THROW_INVALID_CODE_PATH(); + } } -//Pre v3 TX gains -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; - UHD_LOGV(often) << boost::format( - "WBX TX Gain: %f dB, dac_volts: %f V" - ) % gain % dac_volts << std::endl; +wbx_base::~wbx_base(void){ + /* NOP */ +} - //the actual gain setting - gain = (dac_volts - min_volts)/slope; +/*********************************************************************** + * 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 + ); +} - return dac_volts; +void wbx_base::set_tx_enabled(bool enb){ + db_actual->set_tx_enabled(enb); } +/*********************************************************************** + * Gain Handling + **********************************************************************/ void wbx_base::set_tx_gain(double gain, const std::string &name){ - if (is_v3()) { - assert_has(wbx_v3_tx_gain_ranges.keys(), name, "wbx tx gain name"); - if(name == "PGA0"){ - boost::uint16_t io_bits = tx_pga0_gain_to_iobits(gain); - _tx_gains[name] = gain; - - //write the new gain to tx gpio outputs - this->get_iface()->set_gpio_out(dboard_iface::UNIT_TX, io_bits, TX_ATTN_MASK); - } - else UHD_THROW_INVALID_CODE_PATH(); - } - else { - 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(); - } + db_actual->set_tx_gain(gain, name); } void wbx_base::set_rx_gain(double gain, const std::string &name){ @@ -272,183 +114,18 @@ void wbx_base::set_rx_gain(double gain, const std::string &name){ /*********************************************************************** * Tuning **********************************************************************/ -double wbx_base::set_lo_freq( - dboard_iface::unit_t unit, - double target_freq -){ - UHD_LOGV(often) << 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<int, int> prescaler_to_min_int_div = map_list_of - (0,23) //adf4350_regs_t::PRESCALER_4_5 - (1,75) //adf4350_regs_t::PRESCALER_8_9 - ; - - //map rf divider select output dividers to enums - static const uhd::dict<int, adf4350_regs_t::rf_divider_select_t> rfdivsel_to_enum = map_list_of - (1, adf4350_regs_t::RF_DIVIDER_SELECT_DIV1) - (2, adf4350_regs_t::RF_DIVIDER_SELECT_DIV2) - (4, adf4350_regs_t::RF_DIVIDER_SELECT_DIV4) - (8, adf4350_regs_t::RF_DIVIDER_SELECT_DIV8) - (16, adf4350_regs_t::RF_DIVIDER_SELECT_DIV16) - ; - - double actual_freq, pfd_freq; - double ref_freq = this->get_iface()->get_clock_rate(unit); - int R=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); - - - UHD_LOGV(often) - << 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 - - << 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]; - - 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; - - for(addr=5; addr>=0; addr--){ - UHD_LOGV(often) << 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 - ); - } +freq_range_t wbx_base::get_freq_range(void) { + return db_actual->get_freq_range(); +} - //return the actual frequency - UHD_LOGV(often) << boost::format( - "WBX tune: actual frequency %f Mhz" - ) % (actual_freq/1e6) << std::endl; - return actual_freq; +double wbx_base::set_lo_freq(dboard_iface::unit_t unit, double target_freq) { + return db_actual->set_lo_freq(unit, target_freq); } bool wbx_base::get_locked(dboard_iface::unit_t unit){ return (this->get_iface()->read_gpio(unit) & LOCKDET_MASK) != 0; } -bool wbx_base::is_v3(void){ - return get_rx_id().to_uint16() == 0x057; -} /*********************************************************************** * RX Get and Set @@ -552,84 +229,7 @@ void wbx_base::rx_set(const wax::obj &key_, const wax::obj &val){ * 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<subdev_prop_t>()){ - 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: - if (is_v3()) { - assert_has(wbx_v3_tx_gain_ranges.keys(), key.name, "wbx tx gain name"); - val = wbx_v3_tx_gain_ranges[key.name]; - } - else { - 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: - if (is_v3()) - val = prop_names_t(wbx_v3_tx_gain_ranges.keys()); - else - 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(); - } + db_actual->tx_get(key_, val); } void wbx_base::tx_set(const wax::obj &key_, const wax::obj &val){ @@ -654,3 +254,5 @@ void wbx_base::tx_set(const wax::obj &key_, const wax::obj &val){ default: UHD_THROW_PROP_SET_ERROR(); } } + + |