diff options
Diffstat (limited to 'host/lib/usrp')
-rw-r--r-- | host/lib/usrp/dboard/CMakeLists.txt | 1 | ||||
-rw-r--r-- | host/lib/usrp/dboard/db_tvrx.cpp | 477 | ||||
-rw-r--r-- | host/lib/usrp/dboard/db_wbx.cpp | 2 | ||||
-rw-r--r-- | host/lib/usrp/dboard_manager.cpp | 25 | ||||
-rw-r--r-- | host/lib/usrp/usrp1/codec_ctrl.cpp | 14 | ||||
-rw-r--r-- | host/lib/usrp/usrp1/codec_ctrl.hpp | 3 | ||||
-rw-r--r-- | host/lib/usrp/usrp1/dboard_iface.cpp | 11 | ||||
-rw-r--r-- | host/lib/usrp/usrp1/io_impl.cpp | 8 | ||||
-rw-r--r-- | host/lib/usrp/usrp1/usrp1_ctrl.cpp | 16 | ||||
-rw-r--r-- | host/lib/usrp/usrp1/usrp1_iface.cpp | 16 | ||||
-rw-r--r-- | host/lib/usrp/usrp1/usrp1_iface.hpp | 14 | ||||
-rw-r--r-- | host/lib/usrp/usrp1/usrp1_impl.cpp | 46 | ||||
-rw-r--r-- | host/lib/usrp/usrp2/dboard_iface.cpp | 4 | ||||
-rw-r--r-- | host/lib/usrp/usrp2/io_impl.cpp | 5 |
14 files changed, 581 insertions, 61 deletions
diff --git a/host/lib/usrp/dboard/CMakeLists.txt b/host/lib/usrp/dboard/CMakeLists.txt index 3e995009e..8d3d11530 100644 --- a/host/lib/usrp/dboard/CMakeLists.txt +++ b/host/lib/usrp/dboard/CMakeLists.txt @@ -24,5 +24,6 @@ LIBUHD_APPEND_SOURCES( ${CMAKE_SOURCE_DIR}/lib/usrp/dboard/db_wbx.cpp ${CMAKE_SOURCE_DIR}/lib/usrp/dboard/db_dbsrx.cpp ${CMAKE_SOURCE_DIR}/lib/usrp/dboard/db_unknown.cpp + ${CMAKE_SOURCE_DIR}/lib/usrp/dboard/db_tvrx.cpp ) diff --git a/host/lib/usrp/dboard/db_tvrx.cpp b/host/lib/usrp/dboard/db_tvrx.cpp new file mode 100644 index 000000000..1cb74c5ae --- /dev/null +++ b/host/lib/usrp/dboard/db_tvrx.cpp @@ -0,0 +1,477 @@ +// +// Copyright 2010 Ettus Research LLC +// +// This program is free software: you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program. If not, see <http://www.gnu.org/licenses/>. +// + +// No RX IO Pins Used + +// RX IO Functions + +//ADC/DAC functions: +//DAC 1: RF AGC +//DAC 2: IF AGC + +//min freq: 50e6 +//max freq: 860e6 +//gain range: [0:1dB:115dB] + +#include <uhd/utils/static.hpp> +#include <uhd/utils/assert.hpp> +#include <uhd/utils/algorithm.hpp> +#include <uhd/utils/warning.hpp> +#include <uhd/types/ranges.hpp> +#include <uhd/types/dict.hpp> +#include <uhd/usrp/subdev_props.hpp> +#include <uhd/usrp/dboard_base.hpp> +#include <uhd/usrp/dboard_manager.hpp> +#include <boost/assign/list_of.hpp> +#include <boost/format.hpp> +#include <boost/thread.hpp> +#include <boost/array.hpp> +#include <boost/math/special_functions/round.hpp> +#include <utility> +#include <cmath> +#include <cfloat> +#include <limits> +#include <tuner_4937di5_regs.hpp> + +using namespace uhd; +using namespace uhd::usrp; +using namespace boost::assign; + +/*********************************************************************** + * The tvrx constants + **********************************************************************/ +static const bool tvrx_debug = false; + +static const freq_range_t tvrx_freq_range(50e6, 860e6); + +static const std::string tvrx_antennas = std::string(""); //only got one + +static const uhd::dict<std::string, freq_range_t> tvrx_freq_ranges = map_list_of + ("VHFLO", freq_range_t(50e6, 158e6)) + ("VHFHI", freq_range_t(158e6, 454e6)) + ("UHF" , freq_range_t(454e6, 860e6)) +; + +static const boost::array<float, 17> vhflo_gains_db = + {{-6.00000, -6.00000, -6.00000, -4.00000, 0.00000, + 5.00000, 10.00000, 17.40000, 26.30000, 36.00000, + 43.00000, 48.00000, 49.50000, 50.10000, 50.30000, + 50.30000, 50.30000}}; + +static const boost::array<float, 17> vhfhi_gains_db = + {{13.3000, -13.3000, -13.3000, -1.0000, 7.7000, + 11.0000, 14.7000, 19.3000, 26.1000, 36.0000, + 42.7000, 46.0000, 47.0000, 47.8000, 48.2000, + 48.2000, 48.2000}}; + +static const boost::array<float, 17> uhf_gains_db = + {{-8.0000, -8.0000, -7.0000, 4.0000, 10.2000, + 14.5000, 17.5000, 20.0000, 24.5000, 30.8000, + 37.0000, 39.8000, 40.7000, 41.6000, 42.6000, + 43.2000, 43.8000}}; + +static const boost::array<float, 17> tvrx_if_gains_db = + {{-1.50000, -1.50000, -1.50000, -1.00000, 0.20000, + 2.10000, 4.30000, 6.40000, 9.00000, 12.00000, + 14.80000, 18.20000, 26.10000, 32.50000, 32.50000, + 32.50000, 32.50000}}; + +//gain linearization data +//this is from the datasheet and is dB vs. volts (below) +//i tried to curve fit this, but it's really just so nonlinear that you'd +//need dang near as many coefficients as to just map it like this and interp. +//these numbers are culled from the 4937DI5 datasheet and are probably totally inaccurate +//but if it's better than the old linear fit i'm happy +static const uhd::dict<std::string, boost::array<float, 17> > tvrx_rf_gains_db = map_list_of + ("VHFLO", vhflo_gains_db) + ("VHFHI", vhfhi_gains_db) + ("UHF" , uhf_gains_db) +; + +//sample voltages for the above points +static const boost::array<float, 17> tvrx_gains_volts = + {{0.8, 1.0, 1.2, 1.4, 1.6, 1.8, 2.0, 2.2, 2.4, 2.6, 2.8, 3.0, 3.2, 3.4, 3.6, 3.8, 4.0}}; + +static uhd::dict<std::string, gain_range_t> get_tvrx_gain_ranges(void) { + float rfmax = 0.0, rfmin = FLT_MAX; + BOOST_FOREACH(const std::string range, tvrx_rf_gains_db.keys()) { + float my_max = tvrx_rf_gains_db[range].back(); //we're assuming it's monotonic + float my_min = tvrx_rf_gains_db[range].front(); //if it's not this is wrong wrong wrong + if(my_max > rfmax) rfmax = my_max; + if(my_min < rfmin) rfmin = my_min; + } + + float ifmin = tvrx_if_gains_db.front(); + float ifmax = tvrx_if_gains_db.back(); + + return map_list_of + ("RF", gain_range_t(rfmin, rfmax, (rfmax-rfmin)/4096.0)) + ("IF", gain_range_t(ifmin, ifmax, (ifmax-ifmin)/4096.0)) + ; +} + +static const double opamp_gain = 1.22; //onboard DAC opamp gain +static const double tvrx_if_freq = 43.75e6; //IF freq of TVRX module +static const boost::uint16_t reference_divider = 640; //clock reference divider to use +static const double reference_freq = 4.0e6; + +/*********************************************************************** + * The tvrx dboard class + **********************************************************************/ +class tvrx : public rx_dboard_base{ +public: + tvrx(ctor_args_t args); + ~tvrx(void); + + void rx_get(const wax::obj &key, wax::obj &val); + void rx_set(const wax::obj &key, const wax::obj &val); + +private: + uhd::dict<std::string, float> _gains; + double _lo_freq; + tuner_4937di5_regs_t _tuner_4937di5_regs; + boost::uint8_t _tuner_4937di5_addr(void){ + return (this->get_iface()->get_special_props().mangle_i2c_addrs)? 0x61 : 0x60; //ok really? we could rename that call + }; + + void set_gain(float gain, const std::string &name); + void set_freq(double freq); + + void update_regs(void){ + byte_vector_t regs_vector(4); + + //get the register data + for(int i=0; i<4; i++){ + regs_vector[i] = _tuner_4937di5_regs.get_reg(i); + if(tvrx_debug) std::cerr << boost::format( + "tvrx: send reg 0x%02x, value 0x%04x" + ) % int(i) % int(regs_vector[i]) << std::endl; + } + + //send the data + this->get_iface()->write_i2c( + _tuner_4937di5_addr(), regs_vector + ); + } + +}; + +/*********************************************************************** + * Register the tvrx dboard + **********************************************************************/ +static dboard_base::sptr make_tvrx(dboard_base::ctor_args_t args){ + return dboard_base::sptr(new tvrx(args)); +} + +UHD_STATIC_BLOCK(reg_tvrx_dboard){ + //register the factory function for the rx dbid + dboard_manager::register_dboard(0x0040, &make_tvrx, "tvrx"); +} + +/*********************************************************************** + * Structors + **********************************************************************/ +tvrx::tvrx(ctor_args_t args) : rx_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_RX, 0x0); // All unused in atr + if (this->get_iface()->get_special_props().soft_clock_divider){ + this->get_iface()->set_gpio_ddr(dboard_iface::UNIT_RX, 0x1); // GPIO0 is clock + } + else{ + this->get_iface()->set_gpio_ddr(dboard_iface::UNIT_RX, 0x0); // All Inputs + } + + //send initial register settings if necessary + + //set default freq + _lo_freq = tvrx_freq_range.min + tvrx_if_freq; //init _lo_freq to a sane default + set_freq(tvrx_freq_range.min); + + //set default gains + BOOST_FOREACH(const std::string &name, get_tvrx_gain_ranges().keys()){ + set_gain(get_tvrx_gain_ranges()[name].min, name); + } +} + +tvrx::~tvrx(void){ +} + +/*! Return a string corresponding to the relevant band + * \param freq the frequency of interest + * \return a string corresponding to the band + */ + +static std::string get_band(double freq) { + BOOST_FOREACH(const std::string &band, tvrx_freq_ranges.keys()) { + if(freq >= tvrx_freq_ranges[band].min && freq <= tvrx_freq_ranges[band].max){ + if(tvrx_debug) std::cout << "Band: " << band << std::endl; + return band; + } + } + UHD_THROW_INVALID_CODE_PATH(); +} + +/*********************************************************************** + * Gain Handling + **********************************************************************/ +/*! + * Execute a linear interpolation to find the voltage corresponding to a desired gain + * \param gain the desired gain in dB + * \param db_vector the vector of dB readings + * \param volts_vector the corresponding vector of voltages db_vector was sampled at + * \return a voltage to feed the TVRX analog gain + */ + +static float gain_interp(float gain, boost::array<float, 17> db_vector, boost::array<float, 17> volts_vector) { + float volts; + gain = std::clip<float>(gain, db_vector.front(), db_vector.back()); //let's not get carried away here + + boost::uint8_t gain_step = 0; + //find which bin we're in + for(size_t i = 0; i < db_vector.size()-1; i++) { + if(gain >= db_vector[i] && gain <= db_vector[i+1]) gain_step = i; + } + + //find the current slope for linear interpolation + float slope = (volts_vector[gain_step + 1] - volts_vector[gain_step]) + / (db_vector[gain_step + 1] - db_vector[gain_step]); + + //the problem here is that for gains approaching the maximum, the voltage slope becomes infinite + //i.e., a small change in gain requires an infinite change in voltage + //to cope, we limit the slope + + if(slope == std::numeric_limits<float>::infinity()) + return volts_vector[gain_step]; + + //use the volts per dB slope to find the final interpolated voltage + volts = volts_vector[gain_step] + (slope * (gain - db_vector[gain_step])); + + if(tvrx_debug) + std::cout << "Gain interp: gain: " << gain << ", gain_step: " << int(gain_step) << ", slope: " << slope << ", volts: " << volts << std::endl; + + return volts; +} + +/*! + * Convert a requested gain for the RF gain into a DAC voltage. + * The gain passed into the function will be set to the actual value. + * \param gain the requested gain in dB + * \return dac voltage value + */ + +static float rf_gain_to_voltage(float gain, double lo_freq){ + //clip the input + gain = std::clip<float>(gain, get_tvrx_gain_ranges()["RF"].min, get_tvrx_gain_ranges()["RF"].max); + + //first we need to find out what band we're in, because gains are different across different bands + std::string band = get_band(lo_freq + tvrx_if_freq); + + //this is the voltage at the TVRX gain input + float gain_volts = gain_interp(gain, tvrx_rf_gains_db[band], tvrx_gains_volts); + //this is the voltage at the USRP DAC output + float dac_volts = gain_volts / opamp_gain; + + dac_volts = std::clip<float>(dac_volts, 0.0, 3.3); + + if (tvrx_debug) std::cerr << boost::format( + "tvrx RF AGC gain: %f dB, dac_volts: %f V" + ) % gain % dac_volts << std::endl; + + return dac_volts; +} + +/*! + * Convert a requested gain for the IF gain into a DAC voltage. + * The gain passed into the function will be set to the actual value. + * \param gain the requested gain in dB + * \return dac voltage value + */ + +static float if_gain_to_voltage(float gain){ + //clip the input + gain = std::clip<float>(gain, get_tvrx_gain_ranges()["IF"].min, get_tvrx_gain_ranges()["IF"].max); + + float gain_volts = gain_interp(gain, tvrx_if_gains_db, tvrx_gains_volts); + float dac_volts = gain_volts / opamp_gain; + + dac_volts = std::clip<float>(dac_volts, 0.0, 3.3); + + if (tvrx_debug) std::cerr << boost::format( + "tvrx IF AGC gain: %f dB, dac_volts: %f V" + ) % gain % dac_volts << std::endl; + + return dac_volts; +} + +void tvrx::set_gain(float gain, const std::string &name){ + assert_has(get_tvrx_gain_ranges().keys(), name, "tvrx gain name"); + if (name == "RF"){ + this->get_iface()->write_aux_dac(dboard_iface::UNIT_RX, dboard_iface::AUX_DAC_B, rf_gain_to_voltage(gain, _lo_freq)); + } + else if(name == "IF"){ + this->get_iface()->write_aux_dac(dboard_iface::UNIT_RX, dboard_iface::AUX_DAC_A, if_gain_to_voltage(gain)); + } + else UHD_THROW_INVALID_CODE_PATH(); + _gains[name] = gain; +} + +/*! + * Set the tuner to center the desired frequency at 43.75MHz + * \param freq the requested frequency + */ + +void tvrx::set_freq(double freq) { + freq = std::clip<float>(freq, tvrx_freq_range.min, tvrx_freq_range.max); + std::string prev_band = get_band(_lo_freq - tvrx_if_freq); + std::string new_band = get_band(freq); + + double target_lo_freq = freq + tvrx_if_freq; //the desired LO freq for high-side mixing + double f_ref = reference_freq / double(reference_divider); //your tuning step size + + int divisor = int((target_lo_freq + (f_ref * 4.0)) / (f_ref * 8)); //the divisor we'll use + double actual_lo_freq = (f_ref * 8 * divisor); //the LO freq we'll actually get + + if((divisor & ~0x7fff)) UHD_THROW_INVALID_CODE_PATH(); + + //now we update the registers + _tuner_4937di5_regs.db1 = (divisor >> 8) & 0xff; + _tuner_4937di5_regs.db2 = divisor & 0xff; + + if(new_band == "VHFLO") _tuner_4937di5_regs.bandsel = tuner_4937di5_regs_t::BANDSEL_VHFLO; + else if(new_band == "VHFHI") _tuner_4937di5_regs.bandsel = tuner_4937di5_regs_t::BANDSEL_VHFHI; + else if(new_band == "UHF") _tuner_4937di5_regs.bandsel = tuner_4937di5_regs_t::BANDSEL_UHF; + else UHD_THROW_INVALID_CODE_PATH(); + + _tuner_4937di5_regs.power = tuner_4937di5_regs_t::POWER_OFF; + update_regs(); + + //ok don't forget to reset RF gain here if the new band != the old band + //we do this because the gains are different for different band settings + //not FAR off, but we do this to be consistent + if(prev_band != new_band) set_gain(_gains["RF"], "RF"); + + if(tvrx_debug) + std::cout << boost::format("set_freq: target LO: %f f_ref: %f divisor: %i actual LO: %f") % target_lo_freq % f_ref % divisor % actual_lo_freq << std::endl; + + _lo_freq = actual_lo_freq; //for rx props +} + +/*********************************************************************** + * Get the alias frequency of frequency freq when sampled at fs. + * \param freq the frequency of interest + * \param fs the sample rate + * \return the alias frequency + **********************************************************************/ + +static double get_alias(double freq, double fs) { + double alias; + freq = fmod(freq, fs); + if(freq >= (fs/2)) { + alias = fs - freq; + } else { + alias = freq; + } + return alias; +} + +/*********************************************************************** + * RX Get and Set + **********************************************************************/ +void tvrx::rx_get(const wax::obj &key_, wax::obj &val){ + named_prop_t key = named_prop_t::extract(key_); + double codec_rate; + + //handle the get request conditioned on the key + switch(key.as<subdev_prop_t>()){ + case SUBDEV_PROP_NAME: + val = get_rx_id().to_pp_string(); + return; + + case SUBDEV_PROP_OTHERS: + val = prop_names_t(); //empty + return; + + case SUBDEV_PROP_GAIN: + assert_has(_gains.keys(), key.name, "tvrx gain name"); + val = _gains[key.name]; + return; + + case SUBDEV_PROP_GAIN_RANGE: + assert_has(get_tvrx_gain_ranges().keys(), key.name, "tvrx gain name"); + val = get_tvrx_gain_ranges()[key.name]; + return; + + case SUBDEV_PROP_GAIN_NAMES: + val = prop_names_t(get_tvrx_gain_ranges().keys()); + return; + + case SUBDEV_PROP_FREQ: + /* + * so here we have to do some magic. because the TVRX uses a relatively high IF, + * we have to watch the sample rate to see if the IF will be aliased + * or if it will fall within Nyquist. + */ + codec_rate = this->get_iface()->get_codec_rate(dboard_iface::UNIT_RX); + val = (_lo_freq - tvrx_if_freq) + get_alias(tvrx_if_freq, codec_rate); + return; + + case SUBDEV_PROP_FREQ_RANGE: + val = tvrx_freq_range; + return; + + case SUBDEV_PROP_ANTENNA: + val = std::string(tvrx_antennas); + return; + + case SUBDEV_PROP_ANTENNA_NAMES: + val = tvrx_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 = true; + return; + + default: UHD_THROW_PROP_GET_ERROR(); + } +} + +void tvrx::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<subdev_prop_t>()){ + case SUBDEV_PROP_GAIN: + this->set_gain(val.as<float>(), key.name); + return; + case SUBDEV_PROP_FREQ: + this->set_freq(val.as<double>()); + return; + + default: UHD_THROW_PROP_SET_ERROR(); + } +} + diff --git a/host/lib/usrp/dboard/db_wbx.cpp b/host/lib/usrp/dboard/db_wbx.cpp index ccd897674..e473ce41e 100644 --- a/host/lib/usrp/dboard/db_wbx.cpp +++ b/host/lib/usrp/dboard/db_wbx.cpp @@ -154,7 +154,7 @@ static dboard_base::sptr make_wbx(dboard_base::ctor_args_t args){ } UHD_STATIC_BLOCK(reg_wbx_dboards){ - dboard_manager::register_dboard(0x0052, 0x0053, &make_wbx, "WBX"); + dboard_manager::register_dboard(0x0053, 0x0052, &make_wbx, "WBX"); } /*********************************************************************** diff --git a/host/lib/usrp/dboard_manager.cpp b/host/lib/usrp/dboard_manager.cpp index ab80875f5..181f843a0 100644 --- a/host/lib/usrp/dboard_manager.cpp +++ b/host/lib/usrp/dboard_manager.cpp @@ -18,6 +18,7 @@ #include "dboard_ctor_args.hpp" #include <uhd/usrp/dboard_manager.hpp> #include <uhd/usrp/subdev_props.hpp> +#include <uhd/utils/warning.hpp> #include <uhd/utils/static.hpp> #include <uhd/utils/assert.hpp> #include <uhd/types/dict.hpp> @@ -176,10 +177,6 @@ static args_t get_dboard_args( ){ //special case, the none id was provided, use the following ids if (dboard_id == dboard_id_t::none() or force_to_unknown){ - std::cerr << boost::format( - "Warning: unknown dboard-id or dboard-id combination: %s\n" - " -> defaulting to the unknown board type" - ) % dboard_id.to_pp_string() << std::endl; UHD_ASSERT_THROW(get_id_to_args_map().has_key(0xfff1)); UHD_ASSERT_THROW(get_id_to_args_map().has_key(0xfff0)); switch(unit){ @@ -191,6 +188,9 @@ static args_t get_dboard_args( //verify that there is a registered constructor for this id if (not get_id_to_args_map().has_key(dboard_id)){ + uhd::print_warning(str(boost::format( + "Unknown dboard ID: %s.\n" + ) % dboard_id.to_pp_string())); return get_dboard_args(unit, dboard_id, true); } @@ -214,12 +214,25 @@ dboard_manager_impl::dboard_manager_impl( (get_xcvr_id_to_id_map()[tx_dboard_id] == rx_dboard_id) ); + //warn for invalid dboard id xcvr combinations + if (rx_dboard_is_xcvr != this_dboard_is_xcvr or tx_dboard_is_xcvr != this_dboard_is_xcvr){ + uhd::print_warning(str(boost::format( + "Unknown transceiver board ID combination...\n" + "RX dboard ID: %s\n" + "TX dboard ID: %s\n" + ) % rx_dboard_id.to_pp_string() % tx_dboard_id.to_pp_string())); + } + //extract dboard constructor and settings (force to unknown for messed up xcvr status) dboard_ctor_t rx_dboard_ctor; std::string rx_name; prop_names_t rx_subdevs; - boost::tie(rx_dboard_ctor, rx_name, rx_subdevs) = get_dboard_args(dboard_iface::UNIT_RX, rx_dboard_id, rx_dboard_is_xcvr != this_dboard_is_xcvr); + boost::tie(rx_dboard_ctor, rx_name, rx_subdevs) = get_dboard_args( + dboard_iface::UNIT_RX, rx_dboard_id, rx_dboard_is_xcvr != this_dboard_is_xcvr + ); dboard_ctor_t tx_dboard_ctor; std::string tx_name; prop_names_t tx_subdevs; - boost::tie(tx_dboard_ctor, tx_name, tx_subdevs) = get_dboard_args(dboard_iface::UNIT_TX, tx_dboard_id, tx_dboard_is_xcvr != this_dboard_is_xcvr); + boost::tie(tx_dboard_ctor, tx_name, tx_subdevs) = get_dboard_args( + dboard_iface::UNIT_TX, tx_dboard_id, tx_dboard_is_xcvr != this_dboard_is_xcvr + ); //initialize the gpio pins before creating subdevs set_nice_dboard_if(); diff --git a/host/lib/usrp/usrp1/codec_ctrl.cpp b/host/lib/usrp/usrp1/codec_ctrl.cpp index ad16f6b3a..4aa730573 100644 --- a/host/lib/usrp/usrp1/codec_ctrl.cpp +++ b/host/lib/usrp/usrp1/codec_ctrl.cpp @@ -61,6 +61,9 @@ public: float get_tx_pga_gain(void); void set_rx_pga_gain(float, char); float get_rx_pga_gain(char); + + //rx adc buffer control + void bypass_adc_buffers(bool bypass); private: usrp1_iface::sptr _iface; @@ -419,6 +422,17 @@ void usrp1_codec_ctrl_impl::set_duc_freq(double freq) } /*********************************************************************** + * Codec Control ADC buffer bypass + * Disable this for AC-coupled daughterboards (TVRX) + * By default it is initialized TRUE. + **********************************************************************/ +void usrp1_codec_ctrl_impl::bypass_adc_buffers(bool bypass) { + _ad9862_regs.byp_buffer_a = bypass; + _ad9862_regs.byp_buffer_b = bypass; + this->send_reg(2); +} + +/*********************************************************************** * Codec Control Make **********************************************************************/ usrp1_codec_ctrl::sptr usrp1_codec_ctrl::make(usrp1_iface::sptr iface, diff --git a/host/lib/usrp/usrp1/codec_ctrl.hpp b/host/lib/usrp/usrp1/codec_ctrl.hpp index 259d10ef4..e2e8a010d 100644 --- a/host/lib/usrp/usrp1/codec_ctrl.hpp +++ b/host/lib/usrp/usrp1/codec_ctrl.hpp @@ -92,6 +92,9 @@ public: //! Set the TX modulator frequency virtual void set_duc_freq(double freq) = 0; + + //! Enable or disable ADC buffer bypass + virtual void bypass_adc_buffers(bool bypass) = 0; }; #endif /* INCLUDED_USRP1_CODEC_CTRL_HPP */ diff --git a/host/lib/usrp/usrp1/dboard_iface.cpp b/host/lib/usrp/usrp1/dboard_iface.cpp index 4791b55ce..1ac15a46a 100644 --- a/host/lib/usrp/usrp1/dboard_iface.cpp +++ b/host/lib/usrp/usrp1/dboard_iface.cpp @@ -32,6 +32,8 @@ using namespace uhd; using namespace uhd::usrp; using namespace boost::assign; +static const dboard_id_t tvrx_id(0x0040); + class usrp1_dboard_iface : public dboard_iface { public: @@ -51,6 +53,10 @@ public: //init the clock rate shadows this->set_clock_rate(UNIT_RX, this->get_clock_rates(UNIT_RX).front()); this->set_clock_rate(UNIT_TX, this->get_clock_rates(UNIT_TX).front()); + + //yes this is evil but it's necessary for TVRX to work on USRP1 + if(_rx_dboard_id == tvrx_id) _codec->bypass_adc_buffers(false); + //else _codec->bypass_adc_buffers(false); //don't think this is necessary } ~usrp1_dboard_iface() @@ -93,6 +99,7 @@ public: std::vector<double> get_clock_rates(unit_t); double get_clock_rate(unit_t); void set_clock_enabled(unit_t, bool); + double get_codec_rate(unit_t); private: usrp1_iface::sptr _iface; @@ -170,6 +177,10 @@ void usrp1_dboard_iface::set_clock_enabled(unit_t, bool) //TODO we can only enable for special case anyway... } +double usrp1_dboard_iface::get_codec_rate(unit_t){ + return _clock->get_master_clock_freq(); +} + /*********************************************************************** * GPIO **********************************************************************/ diff --git a/host/lib/usrp/usrp1/io_impl.cpp b/host/lib/usrp/usrp1/io_impl.cpp index 73974f2d6..aee760a83 100644 --- a/host/lib/usrp/usrp1/io_impl.cpp +++ b/host/lib/usrp/usrp1/io_impl.cpp @@ -272,18 +272,18 @@ static void usrp1_bs_vrt_unpacker( } static bool get_recv_buffs( - zero_copy_if::sptr zc_if, + zero_copy_if::sptr zc_if, size_t timeout_ms, vrt_packet_handler::managed_recv_buffs_t &buffs ){ UHD_ASSERT_THROW(buffs.size() == 1); - buffs[0] = zc_if->get_recv_buff(); + buffs[0] = zc_if->get_recv_buff(timeout_ms); return buffs[0].get() != NULL; } size_t usrp1_impl::recv( const std::vector<void *> &buffs, size_t num_samps, rx_metadata_t &metadata, const io_type_t &io_type, - recv_mode_t recv_mode, size_t /*timeout_ms TODO*/ + recv_mode_t recv_mode, size_t timeout_ms ){ size_t num_samps_recvd = vrt_packet_handler::recv( _io_impl->packet_handler_recv_state, //last state of the recv handler @@ -292,7 +292,7 @@ size_t usrp1_impl::recv( io_type, _rx_otw_type, //input and output types to convert _clock_ctrl->get_master_clock_freq(), //master clock tick rate &usrp1_bs_vrt_unpacker, - boost::bind(&get_recv_buffs, _data_transport, _1), + boost::bind(&get_recv_buffs, _data_transport, timeout_ms, _1), &vrt_packet_handler::handle_overflow_nop, 0, //vrt header offset _rx_subdev_spec.size() //num channels diff --git a/host/lib/usrp/usrp1/usrp1_ctrl.cpp b/host/lib/usrp/usrp1/usrp1_ctrl.cpp index 1dc6e6e25..5043aed7d 100644 --- a/host/lib/usrp/usrp1/usrp1_ctrl.cpp +++ b/host/lib/usrp/usrp1/usrp1_ctrl.cpp @@ -38,6 +38,8 @@ enum firmware_code { #define FX2_FIRMWARE_LOAD 0xa0 +static const bool load_img_msg = true; + /*********************************************************************** * Helper Functions **********************************************************************/ @@ -178,6 +180,7 @@ public: unsigned char reset_n = 0; //hit the reset line + if (load_img_msg) std::cout << "Loading firmware image: " << filestring << "..." << std::flush; usrp_control_write(FX2_FIRMWARE_LOAD, 0xe600, 0, &reset_y, 1); @@ -206,14 +209,14 @@ public: } //type 0x01 is end else if (type == 0x01) { + usrp_set_firmware_hash(hash); //set hash before reset usrp_control_write(FX2_FIRMWARE_LOAD, 0xe600, 0, &reset_n, 1); - usrp_set_firmware_hash(hash); file.close(); //wait for things to settle boost::this_thread::sleep(boost::posix_time::milliseconds(1000)); - + if (load_img_msg) std::cout << " done" << std::endl; return USRP_FIRMWARE_LOAD_SUCCESS; } //type anything else is unhandled @@ -249,6 +252,7 @@ public: unsigned char buf[ep0_size]; int ret; + if (load_img_msg) std::cout << "Loading FPGA image: " << filestring << "..." << std::flush; std::ifstream file; file.open(filename, std::ios::in | std::ios::binary); if (not file.good()) { @@ -263,11 +267,12 @@ public: return -1; } - ssize_t n; - while ((n = file.readsome((char *)buf, sizeof(buf))) > 0) { + while (not file.eof()) { + file.read((char *)buf, sizeof(buf)); + size_t n = file.gcount(); ret = usrp_control_write(VRQ_FPGA_LOAD, 0, FL_XFER, buf, n); - if (ret != n) { + if (ret < 0 or size_t(ret) != n) { std::cerr << "fpga load error " << ret << std::endl; file.close(); return -1; @@ -282,6 +287,7 @@ public: usrp_set_fpga_hash(hash); file.close(); + if (load_img_msg) std::cout << " done" << std::endl; return 0; } diff --git a/host/lib/usrp/usrp1/usrp1_iface.cpp b/host/lib/usrp/usrp1/usrp1_iface.cpp index 5fd3987d5..64ced2905 100644 --- a/host/lib/usrp/usrp1/usrp1_iface.cpp +++ b/host/lib/usrp/usrp1/usrp1_iface.cpp @@ -49,7 +49,7 @@ public: ******************************************************************/ void poke32(boost::uint32_t addr, boost::uint32_t value) { - boost::uint32_t swapped = byteswap(value); + boost::uint32_t swapped = uhd::htonx(value); if (iface_debug) { std::cout.fill('0'); @@ -72,12 +72,6 @@ public: std::cerr << "USRP: failed memory write: " << ret << std::endl; } - void poke16(boost::uint32_t, boost::uint16_t) - { - //fpga only handles 32 bit writes - std::cerr << "USRP: unsupported operation: poke16()" << std::endl; - } - boost::uint32_t peek32(boost::uint32_t addr) { boost::uint32_t value_out; @@ -95,13 +89,7 @@ public: if (ret < 0) std::cerr << "USRP: failed memory read: " << ret << std::endl; - return byteswap(value_out); - } - - boost::uint16_t peek16(boost::uint32_t addr) - { - boost::uint32_t val = peek32(addr); - return boost::uint16_t(val & 0xff); + return uhd::ntohx(value_out); } /******************************************************************* diff --git a/host/lib/usrp/usrp1/usrp1_iface.hpp b/host/lib/usrp/usrp1/usrp1_iface.hpp index 9a3fdd6bc..3f608584a 100644 --- a/host/lib/usrp/usrp1/usrp1_iface.hpp +++ b/host/lib/usrp/usrp1/usrp1_iface.hpp @@ -54,20 +54,6 @@ public: virtual boost::uint32_t peek32(boost::uint32_t addr) = 0; /*! - * Write a register (16 bits) - * \param addr the address - * \param data the 16bit data - */ - virtual void poke16(boost::uint32_t addr, boost::uint16_t data) = 0; - - /*! - * read a register (16 bits) - * \param addr the address - * \return the 16bit data - */ - virtual boost::uint16_t peek16(boost::uint32_t addr) = 0; - - /*! * Perform an spi transaction. * \param which_slave the slave device number * \param config spi config args diff --git a/host/lib/usrp/usrp1/usrp1_impl.cpp b/host/lib/usrp/usrp1/usrp1_impl.cpp index 627180b11..793e3027d 100644 --- a/host/lib/usrp/usrp1/usrp1_impl.cpp +++ b/host/lib/usrp/usrp1/usrp1_impl.cpp @@ -30,6 +30,7 @@ #include <boost/assign/list_of.hpp> #include <boost/filesystem.hpp> #include <boost/thread/thread.hpp> +#include <boost/lexical_cast.hpp> #include <iostream> using namespace uhd; @@ -74,14 +75,14 @@ static device_addrs_t usrp1_find(const device_addr_t &hint) boost::uint16_t vid = hint.has_key("uninit") ? FX2_VENDOR_ID : USRP1_VENDOR_ID; boost::uint16_t pid = hint.has_key("uninit") ? FX2_PRODUCT_ID : USRP1_PRODUCT_ID; - //see what we got on the USB bus - std::vector<usb_device_handle::sptr> device_list = - usb_device_handle::get_device_list(vid, pid); - - if(device_list.size() == 0) return usrp1_addrs; //return nothing if no USRPs found + // Important note: + // The get device list calls are nested inside the for loop. + // This allows the usb guts to decontruct when not in use, + // so that re-enumeration after fw load can occur successfully. + // This requirement is a courtesy of libusb1.0 on windows. //find the usrps and load firmware - BOOST_FOREACH(usb_device_handle::sptr handle, device_list) { + BOOST_FOREACH(usb_device_handle::sptr handle, usb_device_handle::get_device_list(vid, pid)) { usb_control::sptr ctrl_transport = usb_control::make(handle); usrp_ctrl::sptr usrp_ctrl = usrp_ctrl::make(ctrl_transport); usrp_ctrl->usrp_load_firmware(usrp1_fw_image); @@ -90,13 +91,15 @@ static device_addrs_t usrp1_find(const device_addr_t &hint) //get descriptors again with serial number, but using the initialized VID/PID now since we have firmware vid = USRP1_VENDOR_ID; pid = USRP1_PRODUCT_ID; - device_list = usb_device_handle::get_device_list(vid, pid); - BOOST_FOREACH(usb_device_handle::sptr handle, device_list) { + BOOST_FOREACH(usb_device_handle::sptr handle, usb_device_handle::get_device_list(vid, pid)) { device_addr_t new_addr; new_addr["type"] = "usrp1"; new_addr["serial"] = handle->get_serial(); - usrp1_addrs.push_back(new_addr); + //this is a found usrp1 when a hint serial is not specified or it matches + if (not hint.has_key("serial") or hint["serial"] == new_addr["serial"]){ + usrp1_addrs.push_back(new_addr); + } } return usrp1_addrs; @@ -105,6 +108,15 @@ static device_addrs_t usrp1_find(const device_addr_t &hint) /*********************************************************************** * Make **********************************************************************/ +template<typename output_type> static output_type cast_from_dev_addr( + const device_addr_t &device_addr, + const std::string &key, + output_type def_val +){ + return (device_addr.has_key(key))? + boost::lexical_cast<output_type>(device_addr[key]) : def_val; +} + static device::sptr usrp1_make(const device_addr_t &device_addr) { //extract the FPGA path for the USRP1 @@ -128,11 +140,15 @@ static device::sptr usrp1_make(const device_addr_t &device_addr) usrp_ctrl = usrp_ctrl::make(ctrl_transport); usrp_ctrl->usrp_load_fpga(usrp1_fpga_image); - data_transport = usb_zero_copy::make(handle, // identifier - 6, // IN endpoint - 2, // OUT endpoint - 2 * (1 << 20), // buffer size - 16384); // transfer size + data_transport = usb_zero_copy::make( + handle, // identifier + 6, // IN endpoint + 2, // OUT endpoint + size_t(cast_from_dev_addr<double>(device_addr, "recv_xfer_size", 0)), + size_t(cast_from_dev_addr<double>(device_addr, "recv_num_xfers", 0)), + size_t(cast_from_dev_addr<double>(device_addr, "send_xfer_size", 0)), + size_t(cast_from_dev_addr<double>(device_addr, "send_num_xfers", 0)) + ); break; } } @@ -171,7 +187,7 @@ usrp1_impl::usrp1_impl(uhd::transport::usb_zero_copy::sptr data_transport, //initialize the mboard mboard_init(); - //initialize the dboards + //initialize the dboards dboard_init(); //initialize the dsps diff --git a/host/lib/usrp/usrp2/dboard_iface.cpp b/host/lib/usrp/usrp2/dboard_iface.cpp index f6d2b718a..fdfbf0d17 100644 --- a/host/lib/usrp/usrp2/dboard_iface.cpp +++ b/host/lib/usrp/usrp2/dboard_iface.cpp @@ -61,6 +61,7 @@ public: double get_clock_rate(unit_t); std::vector<double> get_clock_rates(unit_t); void set_clock_enabled(unit_t, bool); + double get_codec_rate(unit_t); void write_spi( unit_t unit, @@ -158,6 +159,9 @@ void usrp2_dboard_iface::set_clock_enabled(unit_t unit, bool enb){ } } +double usrp2_dboard_iface::get_codec_rate(unit_t){ + return _clock_ctrl->get_master_clock_rate(); +} /*********************************************************************** * GPIO **********************************************************************/ diff --git a/host/lib/usrp/usrp2/io_impl.cpp b/host/lib/usrp/usrp2/io_impl.cpp index 91a1b2344..3395f94e2 100644 --- a/host/lib/usrp/usrp2/io_impl.cpp +++ b/host/lib/usrp/usrp2/io_impl.cpp @@ -33,6 +33,7 @@ using namespace uhd::transport; namespace asio = boost::asio; static const int underflow_flags = async_metadata_t::EVENT_CODE_UNDERFLOW | async_metadata_t::EVENT_CODE_UNDERFLOW_IN_PACKET; +static const double RECV_TIMEOUT_MS = 100; /*********************************************************************** * io impl details (internal to this file) @@ -90,7 +91,7 @@ void usrp2_impl::io_impl::recv_pirate_loop( size_t next_packet_seq = 0; while(recv_pirate_crew_raiding){ - managed_recv_buffer::sptr buff = zc_if->get_recv_buff(); + managed_recv_buffer::sptr buff = zc_if->get_recv_buff(RECV_TIMEOUT_MS); if (not buff.get()) continue; //ignore timeout/error buffers try{ @@ -150,7 +151,7 @@ void usrp2_impl::io_init(void){ std::memcpy(send_buff->cast<void*>(), &data, sizeof(data)); send_buff->commit(sizeof(data)); //drain the recv buffers (may have junk) - while (data_transport->get_recv_buff().get()); + while (data_transport->get_recv_buff(RECV_TIMEOUT_MS).get()){}; } //the number of recv frames is the number for the first transport |