//
// Copyright 2017 Ettus Research, a National Instruments Company
//
// SPDX-License-Identifier: GPL-3.0-or-later
//
#include "magnesium_radio_ctrl_impl.hpp"
#include "magnesium_constants.hpp"
#include "magnesium_gain_table.hpp"
#include <uhd/exception.hpp>
#include <uhd/rfnoc/node_ctrl_base.hpp>
#include <uhd/transport/chdr.hpp>
#include <uhd/types/direction.hpp>
#include <uhd/types/eeprom.hpp>
#include <uhd/utils/algorithm.hpp>
#include <uhd/utils/log.hpp>
#include <uhd/utils/math.hpp>
#include <boost/algorithm/string.hpp>
#include <boost/format.hpp>
#include <boost/make_shared.hpp>
#include <cmath>
#include <cstdlib>
#include <sstream>
using namespace uhd;
using namespace uhd::usrp;
using namespace uhd::rfnoc;
using namespace uhd::math::fp_compare;
namespace {
/**************************************************************************
* ADF4351 Controls
*************************************************************************/
/*!
* \param lo_iface Reference to the LO object
* \param freq Frequency (in Hz) of the tone to be generated from the LO
* \param ref_clock_freq Frequency (in Hz) of the reference clock at the
* PLL input of the LO
* \param int_n_mode Integer-N mode on or off
*/
double _lo_set_frequency(adf435x_iface::sptr lo_iface,
const double freq,
const double ref_clock_freq,
const bool int_n_mode)
{
UHD_LOG_TRACE("MG/ADF4351",
"Attempting to tune low band LO to " << freq << " Hz with ref clock freq "
<< ref_clock_freq);
lo_iface->set_feedback_select(adf435x_iface::FB_SEL_DIVIDED);
lo_iface->set_reference_freq(ref_clock_freq);
lo_iface->set_prescaler(adf435x_iface::PRESCALER_4_5);
const double actual_freq = lo_iface->set_frequency(freq, int_n_mode);
lo_iface->set_output_power(
adf435x_iface::RF_OUTPUT_A, adf435x_iface::OUTPUT_POWER_2DBM);
lo_iface->set_output_power(
adf435x_iface::RF_OUTPUT_B, adf435x_iface::OUTPUT_POWER_2DBM);
lo_iface->set_charge_pump_current(adf435x_iface::CHARGE_PUMP_CURRENT_0_31MA);
return actual_freq;
}
/*! Configure and enable LO
*
* Will tune it to requested frequency and enable outputs.
*
* \param lo_iface Reference to the LO object
* \param lo_freq Frequency (in Hz) of the tone to be generated from the LO
* \param ref_clock_freq Frequency (in Hz) of the reference clock at the
* PLL input of the LO
* \param int_n_mode Integer-N mode on or off
* \returns the actual frequency the LO is running at
*/
double _lo_enable(adf435x_iface::sptr lo_iface,
const double lo_freq,
const double ref_clock_freq,
const bool int_n_mode)
{
const double actual_lo_freq =
_lo_set_frequency(lo_iface, lo_freq, ref_clock_freq, int_n_mode);
lo_iface->set_output_enable(adf435x_iface::RF_OUTPUT_A, true);
lo_iface->set_output_enable(adf435x_iface::RF_OUTPUT_B, true);
lo_iface->commit();
return actual_lo_freq;
}
/*! Disable LO
*/
void _lo_disable(adf435x_iface::sptr lo_iface)
{
lo_iface->set_output_enable(adf435x_iface::RF_OUTPUT_A, false);
lo_iface->set_output_enable(adf435x_iface::RF_OUTPUT_B, false);
lo_iface->commit();
}
} // namespace
/******************************************************************************
* Structors
*****************************************************************************/
UHD_RFNOC_RADIO_BLOCK_CONSTRUCTOR(magnesium_radio_ctrl)
{
UHD_LOG_TRACE(unique_id(), "Entering magnesium_radio_ctrl_impl ctor...");
const char radio_slot_name[2] = {'A', 'B'};
_radio_slot = radio_slot_name[get_block_id().get_block_count()];
UHD_LOG_TRACE(unique_id(), "Radio slot: " << _radio_slot);
_rpc_prefix = (_radio_slot == "A") ? "db_0_" : "db_1_";
_init_defaults();
_init_peripherals();
_init_prop_tree();
}
magnesium_radio_ctrl_impl::~magnesium_radio_ctrl_impl()
{
UHD_LOG_TRACE(unique_id(), "magnesium_radio_ctrl_impl::dtor() ");
}
/******************************************************************************
* API Calls
*****************************************************************************/
double magnesium_radio_ctrl_impl::set_rate(double requested_rate)
{
meta_range_t rates;
for (const double rate : MAGNESIUM_RADIO_RATES) {
rates.push_back(range_t(rate));
}
const double rate = rates.clip(requested_rate);
if (!math::frequencies_are_equal(requested_rate, rate)) {
UHD_LOG_WARNING(unique_id(),
"Coercing requested sample rate from " << (requested_rate / 1e6) << " to "
<< (rate / 1e6));
}
const double current_rate = get_rate();
if (math::frequencies_are_equal(current_rate, rate)) {
UHD_LOG_DEBUG(
unique_id(), "Rate is already at " << rate << ". Skipping set_rate()");
return current_rate;
}
std::lock_guard<std::mutex> l(_set_lock);
// Now commit to device. First, disable LOs.
_lo_disable(_tx_lo);
_lo_disable(_rx_lo);
const double new_rate = _ad9371->set_master_clock_rate(rate);
// Frequency settings apply to both channels, no loop needed. Will also
// re-enable the lowband LOs if they were used.
set_rx_frequency(get_rx_frequency(0), 0);
set_tx_frequency(get_tx_frequency(0), 0);
// Gain and bandwidth need to be looped:
for (size_t radio_idx = 0; radio_idx < _get_num_radios(); radio_idx++) {
set_rx_gain(get_rx_gain(radio_idx), radio_idx);
set_tx_gain(get_rx_gain(radio_idx), radio_idx);
set_rx_bandwidth(get_rx_bandwidth(radio_idx), radio_idx);
set_tx_bandwidth(get_tx_bandwidth(radio_idx), radio_idx);
}
radio_ctrl_impl::set_rate(new_rate);
return new_rate;
}
void magnesium_radio_ctrl_impl::set_tx_antenna(const std::string& ant, const size_t chan)
{
if (ant != get_tx_antenna(chan)) {
throw uhd::value_error(
str(boost::format("[%s] Requesting invalid TX antenna value: %s")
% unique_id() % ant));
}
// We can't actually set the TX antenna, so let's stop here.
}
void magnesium_radio_ctrl_impl::set_rx_antenna(const std::string& ant, const size_t chan)
{
UHD_ASSERT_THROW(chan <= MAGNESIUM_NUM_CHANS);
if (std::find(MAGNESIUM_RX_ANTENNAS.begin(), MAGNESIUM_RX_ANTENNAS.end(), ant)
== MAGNESIUM_RX_ANTENNAS.end()) {
throw uhd::value_error(
str(boost::format("[%s] Requesting invalid RX antenna value: %s")
% unique_id() % ant));
}
UHD_LOG_TRACE(unique_id(), "Setting RX antenna to " << ant << " for chan " << chan);
magnesium_cpld_ctrl::chan_sel_t chan_sel = chan == 0 ? magnesium_cpld_ctrl::CHAN1
: magnesium_cpld_ctrl::CHAN2;
_update_atr_switches(chan_sel, RX_DIRECTION, ant);
radio_ctrl_impl::set_rx_antenna(ant, chan);
}
double magnesium_radio_ctrl_impl::set_tx_frequency(
const double req_freq, const size_t chan)
{
const double freq = MAGNESIUM_FREQ_RANGE.clip(req_freq);
UHD_LOG_TRACE(unique_id(), "set_tx_frequency(f=" << freq << ", chan=" << chan << ")");
_desired_rf_freq[TX_DIRECTION] = freq;
std::lock_guard<std::mutex> l(_set_lock);
// We need to set the switches on both channels, because they share an LO.
// This way, if we tune channel 0 it will not put channel 1 into a bad
// state.
_update_tx_freq_switches(freq, _tx_bypass_amp, magnesium_cpld_ctrl::BOTH);
const std::string ad9371_source = this->get_tx_lo_source(MAGNESIUM_LO1, chan);
const std::string adf4351_source = this->get_tx_lo_source(MAGNESIUM_LO2, chan);
UHD_ASSERT_THROW(adf4351_source == "internal");
double coerced_if_freq = freq;
if (_map_freq_to_tx_band(freq) == tx_band::LOWBAND) {
_is_low_band[TX_DIRECTION] = true;
const double desired_low_freq = MAGNESIUM_TX_IF_FREQ - freq;
coerced_if_freq =
this->_set_tx_lo_freq(adf4351_source, MAGNESIUM_LO2, desired_low_freq, chan)
+ freq;
UHD_LOG_TRACE(unique_id(), "coerced_if_freq = " << coerced_if_freq);
} else {
_is_low_band[TX_DIRECTION] = false;
_lo_disable(_tx_lo);
}
// external LO required to tune at 2xdesired_frequency.
const double desired_if_freq = (ad9371_source == "internal") ? coerced_if_freq
: 2 * coerced_if_freq;
this->_set_tx_lo_freq(ad9371_source, MAGNESIUM_LO1, desired_if_freq, chan);
this->_update_freq(chan, TX_DIRECTION);
this->_update_gain(chan, TX_DIRECTION);
return radio_ctrl_impl::get_tx_frequency(chan);
}
void magnesium_radio_ctrl_impl::_update_gain(
const size_t chan, const uhd::direction_t dir)
{
const std::string fe = (dir == TX_DIRECTION) ? "tx_frontends" : "rx_frontends";
const double freq = (dir == TX_DIRECTION) ? this->get_tx_frequency(chan)
: this->get_rx_frequency(chan);
this->_set_all_gain(this->_get_all_gain(chan, dir), freq, chan, dir);
}
void magnesium_radio_ctrl_impl::_update_freq(
const size_t chan, const uhd::direction_t dir)
{
const std::string ad9371_source = dir == TX_DIRECTION
? this->get_tx_lo_source(MAGNESIUM_LO1, chan)
: this->get_rx_lo_source(MAGNESIUM_LO1, chan);
const double ad9371_freq = ad9371_source == "external" ? _ad9371_freq[dir] / 2
: _ad9371_freq[dir];
const double rf_freq = _is_low_band[dir] ? ad9371_freq - _adf4351_freq[dir]
: ad9371_freq;
UHD_LOG_TRACE(unique_id(), "RF freq = " << rf_freq);
UHD_ASSERT_THROW(fp_compare_epsilon<double>(rf_freq) >= 0);
UHD_ASSERT_THROW(fp_compare_epsilon<double>(std::abs(rf_freq - _desired_rf_freq[dir]))
<= _master_clock_rate / 2);
if (dir == RX_DIRECTION) {
radio_ctrl_impl::set_rx_frequency(rf_freq, chan);
} else if (dir == TX_DIRECTION) {
radio_ctrl_impl::set_tx_frequency(rf_freq, chan);
} else {
UHD_THROW_INVALID_CODE_PATH();
}
}
double magnesium_radio_ctrl_impl::set_rx_frequency(
const double req_freq, const size_t chan)
{
const double freq = MAGNESIUM_FREQ_RANGE.clip(req_freq);
UHD_LOG_TRACE(unique_id(), "set_rx_frequency(f=" << freq << ", chan=" << chan << ")");
_desired_rf_freq[RX_DIRECTION] = freq;
std::lock_guard<std::mutex> l(_set_lock);
// We need to set the switches on both channels, because they share an LO.
// This way, if we tune channel 0 it will not put channel 1 into a bad
// state.
_update_rx_freq_switches(freq, _rx_bypass_lnas, magnesium_cpld_ctrl::BOTH);
const std::string ad9371_source = this->get_rx_lo_source(MAGNESIUM_LO1, chan);
const std::string adf4351_source = this->get_rx_lo_source(MAGNESIUM_LO2, chan);
UHD_ASSERT_THROW(adf4351_source == "internal");
double coerced_if_freq = freq;
if (_map_freq_to_rx_band(freq) == rx_band::LOWBAND) {
_is_low_band[RX_DIRECTION] = true;
const double desired_low_freq = MAGNESIUM_RX_IF_FREQ - freq;
coerced_if_freq =
this->_set_rx_lo_freq(adf4351_source, MAGNESIUM_LO2, desired_low_freq, chan)
+ freq;
UHD_LOG_TRACE(unique_id(), "coerced_if_freq = " << coerced_if_freq);
} else {
_is_low_band[RX_DIRECTION] = false;
_lo_disable(_rx_lo);
}
// external LO required to tune at 2xdesired_frequency.
const double desired_if_freq = ad9371_source == "internal" ? coerced_if_freq
: 2 * coerced_if_freq;
this->_set_rx_lo_freq(ad9371_source, MAGNESIUM_LO1, desired_if_freq, chan);
this->_update_freq(chan, RX_DIRECTION);
this->_update_gain(chan, RX_DIRECTION);
return radio_ctrl_impl::get_rx_frequency(chan);
}
double magnesium_radio_ctrl_impl::get_tx_frequency(const size_t chan)
{
UHD_LOG_TRACE(unique_id(), "get_tx_frequency(chan=" << chan << ")");
return radio_ctrl_impl::get_tx_frequency(chan);
}
double magnesium_radio_ctrl_impl::get_rx_frequency(const size_t chan)
{
UHD_LOG_TRACE(unique_id(), "get_rx_frequency(chan=" << chan << ")");
return radio_ctrl_impl::get_rx_frequency(chan);
}
double magnesium_radio_ctrl_impl::set_rx_bandwidth(
const double bandwidth, const size_t chan)
{
std::lock_guard<std::mutex> l(_set_lock);
_ad9371->set_bandwidth(bandwidth, chan, RX_DIRECTION);
// FIXME: setting analog bandwidth on AD9371 take no effect.
// Remove this warning when ADI can confirm that it works.
UHD_LOG_WARNING(unique_id(),
"set_rx_bandwidth take no effect on AD9371. "
"Default analog bandwidth is 100MHz");
return AD9371_RX_MAX_BANDWIDTH;
}
double magnesium_radio_ctrl_impl::set_tx_bandwidth(
const double bandwidth, const size_t chan)
{
std::lock_guard<std::mutex> l(_set_lock);
_ad9371->set_bandwidth(bandwidth, chan, TX_DIRECTION);
// FIXME: setting analog bandwidth on AD9371 take no effect.
// Remove this warning when ADI can confirm that it works.
UHD_LOG_WARNING(unique_id(),
"set_tx_bandwidth take no effect on AD9371. "
"Default analog bandwidth is 100MHz");
return AD9371_TX_MAX_BANDWIDTH;
}
double magnesium_radio_ctrl_impl::set_tx_gain(const double gain, const size_t chan)
{
std::lock_guard<std::mutex> l(_set_lock);
UHD_LOG_TRACE(unique_id(), "set_tx_gain(gain=" << gain << ", chan=" << chan << ")");
const double coerced_gain =
_set_all_gain(gain, this->get_tx_frequency(chan), chan, TX_DIRECTION);
radio_ctrl_impl::set_tx_gain(coerced_gain, chan);
return coerced_gain;
}
double magnesium_radio_ctrl_impl::_set_tx_gain(
const std::string& name, const double gain, const size_t chan)
{
std::lock_guard<std::mutex> l(_set_lock);
UHD_LOG_TRACE(unique_id(),
"_set_tx_gain(name=" << name << ", gain=" << gain << ", chan=" << chan << ")");
UHD_LOG_TRACE(unique_id(),
"_set_tx_gain(name=" << name << ", gain=" << gain << ", chan=" << chan << ")");
double clip_gain = 0;
if (name == MAGNESIUM_GAIN1) {
clip_gain = uhd::clip(gain, AD9371_MIN_TX_GAIN, AD9371_MAX_TX_GAIN);
_ad9371_att[TX_DIRECTION] = clip_gain;
} else if (name == MAGNESIUM_GAIN2) {
clip_gain = uhd::clip(gain, DSA_MIN_GAIN, DSA_MAX_GAIN);
_dsa_att[TX_DIRECTION] = clip_gain;
} else if (name == MAGNESIUM_AMP) {
clip_gain = gain > 0.0 ? AMP_MAX_GAIN : AMP_MIN_GAIN;
_amp_bypass[TX_DIRECTION] = clip_gain == 0.0;
} else {
throw uhd::value_error("Could not find gain element " + name);
}
UHD_LOG_TRACE(unique_id(), "_set_tx_gain calling update gain");
this->_set_all_gain(this->_get_all_gain(chan, TX_DIRECTION),
this->get_tx_frequency(chan),
chan,
TX_DIRECTION);
return clip_gain;
}
double magnesium_radio_ctrl_impl::_get_tx_gain(
const std::string& name, const size_t /*chan*/
)
{
std::lock_guard<std::mutex> l(_set_lock);
if (name == MAGNESIUM_GAIN1) {
return _ad9371_att[TX_DIRECTION];
} else if (name == MAGNESIUM_GAIN2) {
return _dsa_att[TX_DIRECTION];
} else if (name == MAGNESIUM_AMP) {
return _amp_bypass[TX_DIRECTION] ? AMP_MIN_GAIN : AMP_MAX_GAIN;
} else {
throw uhd::value_error("Could not find gain element " + name);
}
}
double magnesium_radio_ctrl_impl::set_rx_gain(const double gain, const size_t chan)
{
std::lock_guard<std::mutex> l(_set_lock);
UHD_LOG_TRACE(unique_id(), "set_rx_gain(gain=" << gain << ", chan=" << chan << ")");
const double coerced_gain =
_set_all_gain(gain, this->get_rx_frequency(chan), chan, RX_DIRECTION);
radio_ctrl_impl::set_rx_gain(coerced_gain, chan);
return coerced_gain;
}
double magnesium_radio_ctrl_impl::_set_rx_gain(
const std::string& name, const double gain, const size_t chan)
{
std::lock_guard<std::mutex> l(_set_lock);
UHD_LOG_TRACE(unique_id(),
"_set_rx_gain(name=" << name << ", gain=" << gain << ", chan=" << chan << ")");
double clip_gain = 0;
if (name == MAGNESIUM_GAIN1) {
clip_gain = uhd::clip(gain, AD9371_MIN_RX_GAIN, AD9371_MAX_RX_GAIN);
_ad9371_att[RX_DIRECTION] = clip_gain;
} else if (name == MAGNESIUM_GAIN2) {
clip_gain = uhd::clip(gain, DSA_MIN_GAIN, DSA_MAX_GAIN);
_dsa_att[RX_DIRECTION] = clip_gain;
} else if (name == MAGNESIUM_AMP) {
clip_gain = gain > 0.0 ? AMP_MAX_GAIN : AMP_MIN_GAIN;
_amp_bypass[RX_DIRECTION] = clip_gain == 0.0;
} else {
throw uhd::value_error("Could not find gain element " + name);
}
UHD_LOG_TRACE(unique_id(), "_set_rx_gain calling update gain");
this->_set_all_gain(this->_get_all_gain(chan, RX_DIRECTION),
this->get_rx_frequency(chan),
chan,
RX_DIRECTION);
return clip_gain; // not really any coreced here (only clip) for individual gain
}
double magnesium_radio_ctrl_impl::_get_rx_gain(
const std::string& name, const size_t /*chan*/
)
{
std::lock_guard<std::mutex> l(_set_lock);
if (name == MAGNESIUM_GAIN1) {
return _ad9371_att[RX_DIRECTION];
} else if (name == MAGNESIUM_GAIN2) {
return _dsa_att[RX_DIRECTION];
} else if (name == MAGNESIUM_AMP) {
return _amp_bypass[RX_DIRECTION] ? AMP_MIN_GAIN : AMP_MAX_GAIN;
} else {
throw uhd::value_error("Could not find gain element " + name);
}
}
std::vector<std::string> magnesium_radio_ctrl_impl::get_rx_lo_names(const size_t /*chan*/
)
{
return std::vector<std::string>{MAGNESIUM_LO1, MAGNESIUM_LO2};
}
std::vector<std::string> magnesium_radio_ctrl_impl::get_rx_lo_sources(
const std::string& name, const size_t /*chan*/
)
{
if (name == MAGNESIUM_LO2) {
return std::vector<std::string>{"internal"};
} else if (name == MAGNESIUM_LO1) {
return std::vector<std::string>{"internal", "external"};
} else {
throw uhd::value_error("Could not find LO stage " + name);
}
}
freq_range_t magnesium_radio_ctrl_impl::get_rx_lo_freq_range(
const std::string& name, const size_t /*chan*/
)
{
if (name == MAGNESIUM_LO1) {
return freq_range_t{ADF4351_MIN_FREQ, ADF4351_MAX_FREQ};
} else if (name == MAGNESIUM_LO2) {
return freq_range_t{AD9371_MIN_FREQ, AD9371_MAX_FREQ};
} else {
throw uhd::value_error("Could not find LO stage " + name);
}
}
void magnesium_radio_ctrl_impl::set_rx_lo_source(
const std::string& src, const std::string& name, const size_t /*chan*/
)
{
// TODO: checking what options are there
std::lock_guard<std::mutex> l(_set_lock);
UHD_LOG_TRACE(unique_id(), "Setting RX LO " << name << " to " << src);
if (name == MAGNESIUM_LO1) {
_ad9371->set_lo_source(src, RX_DIRECTION);
} else {
UHD_LOG_ERROR(unique_id(),
"RX LO " << name << " does not support setting source to " << src);
}
}
const std::string magnesium_radio_ctrl_impl::get_rx_lo_source(
const std::string& name, const size_t /*chan*/
)
{
if (name == MAGNESIUM_LO1) {
// TODO: should we use this from cache?
return _ad9371->get_lo_source(RX_DIRECTION);
}
return "internal";
}
double magnesium_radio_ctrl_impl::_set_rx_lo_freq(const std::string source,
const std::string name,
const double freq,
const size_t chan)
{
double coerced_lo_freq = freq;
if (source != "internal") {
UHD_LOG_WARNING(
unique_id(), "LO source is not internal. This set frequency will be ignored");
if (name == MAGNESIUM_LO1) {
// handle ad9371 external LO case
coerced_lo_freq = freq;
_ad9371_freq[RX_DIRECTION] = coerced_lo_freq;
}
} else {
if (name == MAGNESIUM_LO1) {
coerced_lo_freq = _ad9371->set_frequency(freq, chan, RX_DIRECTION);
_ad9371_freq[RX_DIRECTION] = coerced_lo_freq;
} else if (name == MAGNESIUM_LO2) {
// TODO: no hardcode the init_n_mode
coerced_lo_freq = _lo_enable(_rx_lo, freq, _master_clock_rate, false);
_adf4351_freq[RX_DIRECTION] = coerced_lo_freq;
} else {
UHD_LOG_WARNING(unique_id(),
"There's no LO with this name of "
<< name << " in the system. This set rx lo freq will be ignored");
};
}
return coerced_lo_freq;
}
double magnesium_radio_ctrl_impl::set_rx_lo_freq(
double freq, const std::string& name, const size_t chan)
{
UHD_LOG_TRACE(
unique_id(), "Setting rx lo frequency for " << name << " with freq = " << freq);
std::lock_guard<std::mutex> l(_set_lock);
std::string source = this->get_rx_lo_source(name, chan);
const double coerced_lo_freq = this->_set_rx_lo_freq(source, name, freq, chan);
this->_update_freq(chan, RX_DIRECTION);
this->_update_gain(chan, RX_DIRECTION);
return coerced_lo_freq;
}
double magnesium_radio_ctrl_impl::get_rx_lo_freq(
const std::string& name, const size_t chan)
{
UHD_LOG_TRACE(unique_id(), "Getting rx lo frequency for " << name);
std::string source = this->get_rx_lo_source(name, chan);
if (name == MAGNESIUM_LO1) {
return _ad9371_freq[RX_DIRECTION];
} else if (name == "adf4531") {
return _adf4351_freq[RX_DIRECTION];
} else {
UHD_LOG_ERROR(unique_id(),
"There's no LO with this name of "
<< name << " in the system. This set rx lo freq will be ignored");
}
UHD_THROW_INVALID_CODE_PATH();
}
// TX LO
std::vector<std::string> magnesium_radio_ctrl_impl::get_tx_lo_names(const size_t /*chan*/
)
{
return std::vector<std::string>{MAGNESIUM_LO1, MAGNESIUM_LO2};
}
std::vector<std::string> magnesium_radio_ctrl_impl::get_tx_lo_sources(
const std::string& name, const size_t /*chan*/
)
{
if (name == MAGNESIUM_LO2) {
return std::vector<std::string>{"internal"};
} else if (name == MAGNESIUM_LO1) {
return std::vector<std::string>{"internal", "external"};
} else {
throw uhd::value_error("Could not find LO stage " + name);
}
}
freq_range_t magnesium_radio_ctrl_impl::get_tx_lo_freq_range(
const std::string& name, const size_t /*chan*/
)
{
if (name == MAGNESIUM_LO2) {
return freq_range_t{ADF4351_MIN_FREQ, ADF4351_MAX_FREQ};
} else if (name == MAGNESIUM_LO1) {
return freq_range_t{AD9371_MIN_FREQ, AD9371_MAX_FREQ};
} else {
throw uhd::value_error("Could not find LO stage " + name);
}
}
void magnesium_radio_ctrl_impl::set_tx_lo_source(
const std::string& src, const std::string& name, const size_t /*chan*/
)
{
// TODO: checking what options are there
std::lock_guard<std::mutex> l(_set_lock);
UHD_LOG_TRACE(unique_id(), "Setting TX LO " << name << " to " << src);
if (name == MAGNESIUM_LO1) {
_ad9371->set_lo_source(src, TX_DIRECTION);
} else {
UHD_LOG_ERROR(unique_id(),
"TX LO " << name << " does not support setting source to " << src);
}
}
const std::string magnesium_radio_ctrl_impl::get_tx_lo_source(
const std::string& name, const size_t /*chan*/
)
{
if (name == MAGNESIUM_LO1) {
// TODO: should we use this from cache?
return _ad9371->get_lo_source(TX_DIRECTION);
}
return "internal";
}
double magnesium_radio_ctrl_impl::_set_tx_lo_freq(const std::string source,
const std::string name,
const double freq,
const size_t chan)
{
double coerced_lo_freq = freq;
if (source != "internal") {
UHD_LOG_WARNING(
unique_id(), "LO source is not internal. This set frequency will be ignored");
if (name == MAGNESIUM_LO1) {
// handle ad9371 external LO case
coerced_lo_freq = freq;
_ad9371_freq[TX_DIRECTION] = coerced_lo_freq;
}
} else {
if (name == MAGNESIUM_LO1) {
coerced_lo_freq = _ad9371->set_frequency(freq, chan, TX_DIRECTION);
_ad9371_freq[TX_DIRECTION] = coerced_lo_freq;
} else if (name == MAGNESIUM_LO2) {
// TODO: no hardcode the int_n_mode
const bool int_n_mode = false;
coerced_lo_freq = _lo_enable(_tx_lo, freq, _master_clock_rate, int_n_mode);
_adf4351_freq[TX_DIRECTION] = coerced_lo_freq;
} else {
UHD_LOG_WARNING(unique_id(),
"There's no LO with this name of "
<< name << " in the system. This set tx lo freq will be ignored");
};
}
return coerced_lo_freq;
}
double magnesium_radio_ctrl_impl::set_tx_lo_freq(
double freq, const std::string& name, const size_t chan)
{
UHD_LOG_TRACE(
unique_id(), "Setting tx lo frequency for " << name << " with freq = " << freq);
std::string source = this->get_tx_lo_source(name, chan);
const double return_freq = this->_set_tx_lo_freq(source, name, freq, chan);
this->_update_freq(chan, TX_DIRECTION);
this->_update_gain(chan, TX_DIRECTION);
return return_freq;
}
double magnesium_radio_ctrl_impl::get_tx_lo_freq(
const std::string& name, const size_t chan)
{
UHD_LOG_TRACE(unique_id(), "Getting tx lo frequency for " << name);
std::string source = this->get_tx_lo_source(name, chan);
if (name == MAGNESIUM_LO1) {
return _ad9371_freq[TX_DIRECTION];
} else if (name == MAGNESIUM_LO2) {
return _adf4351_freq[TX_DIRECTION];
} else {
UHD_LOG_ERROR(
unique_id(), "There's no LO with this name of " << name << " in the system.");
};
UHD_THROW_INVALID_CODE_PATH();
}
size_t magnesium_radio_ctrl_impl::get_chan_from_dboard_fe(
const std::string& fe, const direction_t /* dir */
)
{
return boost::lexical_cast<size_t>(fe);
}
std::string magnesium_radio_ctrl_impl::get_dboard_fe_from_chan(
const size_t chan, const direction_t /* dir */
)
{
return std::to_string(chan);
}
void magnesium_radio_ctrl_impl::set_rpc_client(
uhd::rpc_client::sptr rpcc, const uhd::device_addr_t& block_args)
{
_rpcc = rpcc;
_block_args = block_args;
UHD_LOG_TRACE(unique_id(), "Instantiating AD9371 control object...");
_ad9371 = magnesium_ad9371_iface::uptr(
new magnesium_ad9371_iface(_rpcc, (_radio_slot == "A") ? 0 : 1));
if (block_args.has_key("identify")) {
const std::string identify_val = block_args.get("identify");
int identify_duration = std::atoi(identify_val.c_str());
if (identify_duration == 0) {
identify_duration = 5;
}
UHD_LOG_INFO(unique_id(),
"Running LED identification process for " << identify_duration
<< " seconds.");
_identify_with_leds(identify_duration);
}
// Note: MCR gets set during the init() call (prior to this), which takes
// in arguments from the device args. So if block_args contains a
// master_clock_rate key, then it should better be whatever the device is
// configured to do.
_master_clock_rate =
_rpcc->request_with_token<double>(_rpc_prefix + "get_master_clock_rate");
if (block_args.cast<double>("master_clock_rate", _master_clock_rate)
!= _master_clock_rate) {
throw uhd::runtime_error(str(
boost::format("Master clock rate mismatch. Device returns %f MHz, "
"but should have been %f MHz.")
% (_master_clock_rate / 1e6)
% (block_args.cast<double>("master_clock_rate", _master_clock_rate) / 1e6)));
}
UHD_LOG_DEBUG(
unique_id(), "Master Clock Rate is: " << (_master_clock_rate / 1e6) << " MHz.");
radio_ctrl_impl::set_rate(_master_clock_rate);
// EEPROM paths subject to change FIXME
const size_t db_idx = get_block_id().get_block_count();
_tree->access<eeprom_map_t>(_root_path / "eeprom")
.add_coerced_subscriber([this, db_idx](const eeprom_map_t& db_eeprom) {
this->_rpcc->notify_with_token("set_db_eeprom", db_idx, db_eeprom);
})
.set_publisher([this, db_idx]() {
return this->_rpcc->request_with_token<eeprom_map_t>("get_db_eeprom", db_idx);
});
// Init sensors
for (const auto& dir : std::vector<direction_t>{RX_DIRECTION, TX_DIRECTION}) {
for (size_t chan_idx = 0; chan_idx < MAGNESIUM_NUM_CHANS; chan_idx++) {
_init_mpm_sensors(dir, chan_idx);
}
}
}
bool magnesium_radio_ctrl_impl::get_lo_lock_status(const direction_t dir)
{
if (not(bool(_rpcc))) {
UHD_LOG_DEBUG(unique_id(), "Reported no LO lock due to lack of RPC connection.");
return false;
}
const std::string trx = (dir == RX_DIRECTION) ? "rx" : "tx";
const size_t chan = 0; // They're the same after all
const double freq = (dir == RX_DIRECTION) ? get_rx_frequency(chan)
: get_tx_frequency(chan);
bool lo_lock =
_rpcc->request_with_token<bool>(_rpc_prefix + "get_ad9371_lo_lock", trx);
UHD_LOG_TRACE(unique_id(),
"AD9371 " << trx << " LO reports lock: " << (lo_lock ? "Yes" : "No"));
if (lo_lock and _map_freq_to_rx_band(freq) == rx_band::LOWBAND) {
lo_lock =
lo_lock
&& _rpcc->request_with_token<bool>(_rpc_prefix + "get_lowband_lo_lock", trx);
UHD_LOG_TRACE(unique_id(),
"ADF4351 " << trx << " LO reports lock: " << (lo_lock ? "Yes" : "No"));
}
return lo_lock;
}
UHD_RFNOC_BLOCK_REGISTER(magnesium_radio_ctrl, "MagnesiumRadio");