complex_gain_iface.hpp

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//
// Copyright 2025 Ettus Research, a National Instruments Brand
//
// SPDX-License-Identifier: GPL-3.0-or-later
//
 
#pragma once
 
#include <uhd/config.hpp>
#include <uhd/features/discoverable_feature.hpp>
#include <uhd/types/direction.hpp>
#include <uhd/types/time_spec.hpp>
#include <complex>
#include <optional>
 
namespace uhd { namespace features {
 
template <uhd::direction_t trx>
class UHD_API complex_gain_iface : public discoverable_feature
{
public:
    using sptr = std::shared_ptr<complex_gain_iface>;
 
    static discoverable_feature::feature_id_t get_feature_id()
    {
        if constexpr (trx == uhd::direction_t::TX_DIRECTION) {
            return discoverable_feature::TX_COMPLEX_GAIN;
        } else {
            return discoverable_feature::RX_COMPLEX_GAIN;
        }
    }
 
    std::string get_feature_name() const
    {
        if constexpr (trx == uhd::direction_t::TX_DIRECTION) {
            return "TX Complex Gain";
        } else {
            return "RX Complex Gain";
        }
    }
 
    virtual ~complex_gain_iface() = default;
 
    virtual void set_gain_coeff(const std::complex<double> gain_coeff,
        const size_t chan,
        const std::optional<uhd::time_spec_t> time = {}) = 0;
 
    virtual std::complex<double> get_gain_coeff(const size_t chan) = 0;
};
 
using tx_complex_gain_iface = complex_gain_iface<uhd::direction_t::TX_DIRECTION>;
using rx_complex_gain_iface = complex_gain_iface<uhd::direction_t::RX_DIRECTION>;
 
}} // namespace uhd::features