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C++

/**
* Copyright 2013-2021 Software Radio Systems Limited
*
* This file is part of srsLTE.
*
* srsLTE is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version.
*
* srsLTE 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 Affero General Public License for more details.
*
* A copy of the GNU Affero General Public License can be found in
* the LICENSE file in the top-level directory of this distribution
* and at http://www.gnu.org/licenses/.
*
*/
#ifndef SRSRAN_RF_TIMESTAMP_H
#define SRSRAN_RF_TIMESTAMP_H
#include "srsran/interfaces/radio_interfaces.h"
namespace srsran {
/**
* Implemenation of the rf_buffer_interface for the current radio implementation which uses flat arrays.
* @see rf_buffer_interface
* @see radio
*
*/
class rf_timestamp_t : public rf_timestamp_interface
{
public:
/**
* Default constructor, all timestamps are zero by default
*/
rf_timestamp_t() = default;
/**
* Copy constructor
* @param other the other object to copy
*/
rf_timestamp_t(const rf_timestamp_t& other) { copy(other); }
/**
* Default destructor
*/
~rf_timestamp_t() = default;
/**
* Gets a timestamp by reference
* @return Given timestamp of the indicated device if the index is bounded, otherwise it returns the default timestamp
*/
const srsran_timestamp_t& get(uint32_t idx) const override
{
if (idx >= SRSRAN_MAX_CHANNELS) {
return default_ts;
}
return timestamps[idx];
}
/**
* Get the timestamp array pointer
* @return timestamp pointer with the value if the channel index is bounded. Otherwise, returns nullptr
*/
srsran_timestamp_t* get_ptr(uint32_t idx) override
{
if (idx >= SRSRAN_MAX_CHANNELS) {
return nullptr;
}
return &timestamps[idx];
}
/**
* Add a given amount of seconds to all the timestamps
* @param secs number of seconds
*/
void add(double secs) override
{
for (srsran_timestamp_t& ts : timestamps) {
srsran_timestamp_add(&ts, 0, secs);
}
}
/**
* Subtract a given amount of seconds to all the timestamps
* @param secs number of seconds
*/
void sub(double secs) override
{
for (srsran_timestamp_t& ts : timestamps) {
srsran_timestamp_sub(&ts, 0, secs);
}
}
private:
const srsran_timestamp_t default_ts = {};
std::array<srsran_timestamp_t, SRSRAN_MAX_CHANNELS> timestamps = {};
};
} // namespace srsran
#endif // SRSRAN_RF_TIMESTAMP_H