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sdrangel/devices/usrp/deviceusrp.cpp
Jon Beniston 2400c4643c Add master clock rate display to GUI.
Calculate full range of sample rates supported, by varying master clock.
Check if requested sample rate can be met.
2020-10-26 14:39:12 +00:00

101 lines
4.2 KiB
C++

///////////////////////////////////////////////////////////////////////////////////
// Copyright (C) 2017 Edouard Griffiths, F4EXB //
// Copyright (C) 2020 Jon Beniston, M7RCE //
// //
// 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 as 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 V3 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/>. //
///////////////////////////////////////////////////////////////////////////////////
#include <QDebug>
#include <cstdio>
#include <cstring>
#include <cmath>
#include <regex>
#include <thread>
#include <uhd/types/device_addr.hpp>
#include "deviceusrpparam.h"
#include "deviceusrp.h"
void DeviceUSRP::enumOriginDevices(const QString& hardwareId, PluginInterface::OriginDevices& originDevices)
{
try
{
uhd::device_addr_t hint; // Discover all devices
uhd::device_addrs_t dev_addrs = uhd::device::find(hint);
if (dev_addrs.size() <= 0)
{
qDebug("DeviceUSRP::enumOriginDevices: Could not find any USRP device");
return;
}
for(unsigned i = 0; i != dev_addrs.size(); i++)
{
QString id = QString::fromStdString(dev_addrs[i].to_string());
QString name = QString::fromStdString(dev_addrs[i].get("name"));
QString serial = QString::fromStdString(dev_addrs[i].get("serial"));
QString displayedName(QString("%1[%2:$1] %3").arg(name).arg(i).arg(serial));
qDebug() << "DeviceUSRP::enumOriginDevices: found USRP device " << displayedName;
DeviceUSRPParams usrpParams;
usrpParams.open(id.toStdString().c_str(), true);
usrpParams.close();
originDevices.append(PluginInterface::OriginDevice(
displayedName,
hardwareId,
id,
(int)i,
usrpParams.m_nbRxChannels,
usrpParams.m_nbTxChannels
));
}
}
catch (const std::exception& e)
{
qDebug() << "DeviceUSRP::enumOriginDevices: exception: " << e.what();
}
}
void DeviceUSRP::waitForLock(uhd::usrp::multi_usrp::sptr usrp, const QString& clockSource, int channel)
{
int tries;
const int maxTries = 100;
// Wait for Ref lock
std::vector<std::string> sensor_names;
sensor_names = usrp->get_tx_sensor_names(channel);
if (clockSource == "external")
{
if (std::find(sensor_names.begin(), sensor_names.end(), "ref_locked") != sensor_names.end())
{
for (tries = 0; !usrp->get_mboard_sensor("ref_locked", 0).to_bool() && (tries < maxTries); tries++)
std::this_thread::sleep_for(std::chrono::milliseconds(10));
if (tries == maxTries)
qCritical("USRPInput::acquireChannel: Failed to lock ref");
}
}
// Wait for LO lock
if (std::find(sensor_names.begin(), sensor_names.end(), "lo_locked") != sensor_names.end())
{
for (tries = 0; !usrp->get_tx_sensor("lo_locked", channel).to_bool() && (tries < maxTries); tries++)
std::this_thread::sleep_for(std::chrono::milliseconds(10));
if (tries == maxTries)
qCritical("USRPInput::acquireChannel: Failed to lock LO");
}
}