diff options
author | Jason Abele <jason@ettus.com> | 2011-09-22 13:44:26 -0700 |
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committer | Josh Blum <josh@joshknows.com> | 2011-11-07 11:21:24 -0800 |
commit | a445f30003c415843a779fd40e67eeb670ab5d29 (patch) | |
tree | ec9124382077742b9fcbebc08fa1d7b32bea2148 /host/lib/usrp/dboard/db_tvrx.cpp | |
parent | ef256d2f6c14006ba27eaf2ba1a7fba3a828420a (diff) | |
download | uhd-a445f30003c415843a779fd40e67eeb670ab5d29.tar.gz uhd-a445f30003c415843a779fd40e67eeb670ab5d29.tar.bz2 uhd-a445f30003c415843a779fd40e67eeb670ab5d29.zip |
Port of daughterboards from wax to new property trees
Ported:
Basic/LF
Unknown
XCVR
DBSRX
DBSRX2
TVRX
TVRX2
Diffstat (limited to 'host/lib/usrp/dboard/db_tvrx.cpp')
-rw-r--r-- | host/lib/usrp/dboard/db_tvrx.cpp | 175 |
1 files changed, 41 insertions, 134 deletions
diff --git a/host/lib/usrp/dboard/db_tvrx.cpp b/host/lib/usrp/dboard/db_tvrx.cpp index 907d798dd..dfa617e77 100644 --- a/host/lib/usrp/dboard/db_tvrx.cpp +++ b/host/lib/usrp/dboard/db_tvrx.cpp @@ -57,7 +57,7 @@ using namespace boost::assign; **********************************************************************/ static const freq_range_t tvrx_freq_range(50e6, 860e6); -static const prop_names_t tvrx_antennas = list_of("RX"); +static const std::vector<std::string> tvrx_antennas = list_of("RX"); static const uhd::dict<std::string, freq_range_t> tvrx_freq_ranges = map_list_of ("VHFLO", freq_range_t(50e6, 158e6)) @@ -136,9 +136,6 @@ 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, double> _gains; double _lo_freq; @@ -147,8 +144,8 @@ private: return (this->get_iface()->get_special_props().mangle_i2c_addrs)? 0x61 : 0x60; //ok really? we could rename that call }; - void set_gain(double gain, const std::string &name); - void set_freq(double freq); + double set_gain(double gain, const std::string &name); + double set_freq(double freq); void update_regs(void){ byte_vector_t regs_vector(4); @@ -185,6 +182,39 @@ UHD_STATIC_BLOCK(reg_tvrx_dboard){ * Structors **********************************************************************/ tvrx::tvrx(ctor_args_t args) : rx_dboard_base(args){ + //////////////////////////////////////////////////////////////////// + // Register properties + //////////////////////////////////////////////////////////////////// + this->get_rx_subtree()->create<std::string>("name") + .set(get_rx_id().to_pp_string()); + BOOST_FOREACH(const std::string &name, get_tvrx_gain_ranges().keys()){ + this->get_rx_subtree()->create<double>("gains/"+name+"/value") + .coerce(boost::bind(&tvrx::set_gain, this, _1, name)) + .set(get_tvrx_gain_ranges()[name].start()); + this->get_rx_subtree()->create<meta_range_t>("gains/"+name+"/range") + .set(get_tvrx_gain_ranges()[name]); + } + this->get_rx_subtree()->create<double>("freq/value") + .coerce(boost::bind(&tvrx::set_freq, this, _1)) + .set(tvrx_freq_range.start()); + this->get_rx_subtree()->create<meta_range_t>("freq/range") + .set(tvrx_freq_range); + this->get_rx_subtree()->create<std::string>("antenna/value") + .set(tvrx_antennas.at(0)); + this->get_rx_subtree()->create<std::vector<std::string> >("antenna/options") + .set(tvrx_antennas); + this->get_rx_subtree()->create<std::string>("connection") + .set("I"); + this->get_rx_subtree()->create<bool>("enabled") + .set(true); //always enabled + this->get_rx_subtree()->create<bool>("use_lo_offset") + .set(false); + this->get_rx_subtree()->create<double>("bandwidth/value") + .set(6.0e6); + this->get_rx_subtree()->create<meta_range_t>("bandwidth/range") + .set(freq_range_t(6.0e6, 6.0e6)); + + //enable only the clocks we need this->get_iface()->set_clock_enabled(dboard_iface::UNIT_RX, true); //set the gpio directions and atr controls (identically) @@ -317,7 +347,7 @@ static double if_gain_to_voltage(double gain){ return dac_volts; } -void tvrx::set_gain(double gain, const std::string &name){ +double tvrx::set_gain(double 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)); @@ -327,6 +357,8 @@ void tvrx::set_gain(double gain, const std::string &name){ } else UHD_THROW_INVALID_CODE_PATH(); _gains[name] = gain; + + return gain; } /*! @@ -334,7 +366,7 @@ void tvrx::set_gain(double gain, const std::string &name){ * \param freq the requested frequency */ -void tvrx::set_freq(double freq) { +double tvrx::set_freq(double freq) { freq = tvrx_freq_range.clip(freq); std::string prev_band = get_band(_lo_freq - tvrx_if_freq); std::string new_band = get_band(freq); @@ -367,131 +399,6 @@ void tvrx::set_freq(double freq) { UHD_LOGV(often) << 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 = freq - fs; - } 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); - UHD_LOGV(often) - << "Getting TVRX freq..." << std::endl - << "\tCodec rate: " << codec_rate << std::endl - << "\tLO freq: " << _lo_freq << std::endl - << "\tIF freq: " << tvrx_if_freq << std::endl - << "\tAlias freq: " << get_alias(tvrx_if_freq, codec_rate) << std::endl - << "\tCalculated freq: " << val.as<double>() << std::endl; - return; - - case SUBDEV_PROP_FREQ_RANGE: - val = tvrx_freq_range; - return; - - case SUBDEV_PROP_ANTENNA: - val = tvrx_antennas.front(); //there's only one - return; - - case SUBDEV_PROP_ANTENNA_NAMES: - val = tvrx_antennas; - return; - - case SUBDEV_PROP_CONNECTION: - val = SUBDEV_CONN_REAL_I; - return; - - case SUBDEV_PROP_ENABLED: - val = true; //always enabled - return; - - case SUBDEV_PROP_USE_LO_OFFSET: - val = false; - return; - - case SUBDEV_PROP_BANDWIDTH: - val = 6.0e6; - return; - - case SUBDEV_PROP_SENSOR_NAMES: - val = std::vector<std::string>(); //empty - 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<double>(), key.name); - return; - - case SUBDEV_PROP_FREQ: - this->set_freq(val.as<double>()); - return; - - case SUBDEV_PROP_ENABLED: - return; //always enabled - - case SUBDEV_PROP_BANDWIDTH: - UHD_MSG(warning) << "TVRX: No tunable bandwidth, fixed filtered to 6MHz"; - return; - - default: UHD_THROW_PROP_SET_ERROR(); - } + return _lo_freq; } - |