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//
// Copyright 2019 Ettus Research, a National Instruments Company
//
// SPDX-License-Identifier: GPL-3.0-or-later
//
#ifndef INCLUDED_UHD_RFNOC_CLOCK_IFACE_HPP
#define INCLUDED_UHD_RFNOC_CLOCK_IFACE_HPP
#include <uhd/config.hpp>
#include <uhd/exception.hpp>
#include <uhd/utils/log.hpp>
#include <atomic>
#include <string>
#include <memory>
namespace uhd { namespace rfnoc {
class clock_iface
{
public:
using sptr = std::shared_ptr<clock_iface>;
clock_iface(const std::string& name) : _name(name), _is_mutable(true)
{
_is_running = false;
_freq = 0.0;
}
clock_iface(const std::string& name, const double freq, const bool is_mutable = true)
: _name(name), _freq(freq), _is_mutable(is_mutable)
{
_is_running = false;
}
clock_iface() = delete;
clock_iface(const clock_iface& rhs) = delete;
clock_iface(clock_iface&& rhs) = delete;
clock_iface& operator=(const clock_iface& fraction) = delete;
inline const std::string& get_name() const
{
return _name;
}
inline bool is_running() const
{
return _is_running;
}
inline bool is_mutable() const
{
return _is_mutable;
}
inline void set_running(bool is_running)
{
_is_running = is_running;
}
inline double get_freq() const
{
return _freq;
}
//! If the clock is immutable, this will throw if freq is different from the
// current frequency.
inline void set_freq(double freq)
{
if (!_is_mutable && freq != _freq.load()) {
UHD_LOG_ERROR(_name, "Trying to change an immutable clock!");
throw uhd::runtime_error("Trying to change an immutable clock!");
}
_freq = freq;
}
private:
const std::string _name;
std::atomic<bool> _is_running;
std::atomic<double> _freq;
const bool _is_mutable;
};
}} // namespace uhd::rfnoc
#endif /* INCLUDED_UHD_RFNOC_CLOCK_IFACE_HPP */
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