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//
// Copyright 2011-2014 Ettus Research LLC
// Copyright 2018 Ettus Research, a National Instruments Company
//
// SPDX-License-Identifier: GPL-3.0-or-later
//
#include "db_wbx_common.hpp"
#include <uhd/types/dict.hpp>
#include <uhd/types/ranges.hpp>
#include <uhd/types/sensors.hpp>
#include <uhd/utils/algorithm.hpp>
#include <uhd/utils/assert_has.hpp>
#include <uhd/utils/log.hpp>
#include <cmath>
#include <functional>
using namespace uhd;
using namespace uhd::usrp;
using namespace boost::assign;
/***********************************************************************
* Gain-related functions
**********************************************************************/
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 = static_cast<int>(std::lround(attn * 2));
int iobits = ((~attn_code) << RX_ATTN_SHIFT) & RX_ATTN_MASK;
UHD_LOGGER_TRACE("WBX")
<< boost::format("WBX RX Attenuation: %f dB, Code: %d, IO Bits %x, Mask: %x")
% attn % attn_code % (iobits & RX_ATTN_MASK) % RX_ATTN_MASK;
// the actual gain setting
gain = wbx_rx_gain_ranges["PGA0"].stop() - double(attn_code) / 2;
return iobits;
}
/***********************************************************************
* 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);
////////////////////////////////////////////////////////////////////
// Register RX and TX properties
////////////////////////////////////////////////////////////////////
uint16_t rx_id = this->get_rx_id().to_uint16();
this->get_rx_subtree()->create<device_addr_t>("tune_args").set(device_addr_t());
this->get_rx_subtree()
->create<sensor_value_t>("sensors/lo_locked")
.set_publisher(std::bind(&wbx_base::get_locked, this, dboard_iface::UNIT_RX));
for (const std::string& name : wbx_rx_gain_ranges.keys()) {
this->get_rx_subtree()
->create<double>("gains/" + name + "/value")
.set_coercer(
std::bind(&wbx_base::set_rx_gain, this, std::placeholders::_1, name))
.set(wbx_rx_gain_ranges[name].start());
this->get_rx_subtree()
->create<meta_range_t>("gains/" + name + "/range")
.set(wbx_rx_gain_ranges[name]);
}
this->get_rx_subtree()->create<std::string>("connection").set("IQ");
this->get_rx_subtree()
->create<bool>("enabled")
.add_coerced_subscriber(
std::bind(&wbx_base::set_rx_enabled, this, std::placeholders::_1))
.set(true); // start enabled
this->get_rx_subtree()->create<bool>("use_lo_offset").set(false);
// Value of bw low-pass dependent on board, we want complex double-sided
double bw = (rx_id != 0x0081) ? 20.0e6 : 60.0e6;
this->get_rx_subtree()->create<double>("bandwidth/value").set(2 * bw);
this->get_rx_subtree()
->create<meta_range_t>("bandwidth/range")
.set(freq_range_t(2 * bw, 2 * bw));
this->get_tx_subtree()->create<double>("bandwidth/value").set(2 * bw);
this->get_tx_subtree()
->create<meta_range_t>("bandwidth/range")
.set(freq_range_t(2 * bw, 2 * bw));
this->get_tx_subtree()->create<device_addr_t>("tune_args").set(device_addr_t());
this->get_tx_subtree()
->create<sensor_value_t>("sensors/lo_locked")
.set_publisher(std::bind(&wbx_base::get_locked, this, dboard_iface::UNIT_TX));
this->get_tx_subtree()->create<std::string>("connection").set("IQ");
this->get_tx_subtree()->create<bool>("use_lo_offset").set(false);
// instantiate subclass foo
switch (rx_id) {
case 0x0053:
db_actual = wbx_versionx_sptr(new wbx_version2(this));
return;
case 0x0057:
db_actual = wbx_versionx_sptr(new wbx_version3(this));
return;
case 0x0063:
db_actual = wbx_versionx_sptr(new wbx_version4(this));
return;
case 0x0081:
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();
}
}
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);
}
/***********************************************************************
* Gain Handling
**********************************************************************/
double 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") {
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();
return _rx_gains[name]; // returned shadowed
}
/***********************************************************************
* Tuning
**********************************************************************/
sensor_value_t wbx_base::get_locked(dboard_iface::unit_t unit)
{
const bool locked = (this->get_iface()->read_gpio(unit) & LOCKDET_MASK) != 0;
return sensor_value_t("LO", locked, "locked", "unlocked");
}
void wbx_base::wbx_versionx::write_lo_regs(
dboard_iface::unit_t unit, const std::vector<uint32_t>& regs)
{
for (uint32_t reg : regs) {
self_base->get_iface()->write_spi(unit, spi_config_t::EDGE_RISE, reg, 32);
}
}
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