CasFrameProcessor.h

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// 5G-MAG Reference Tools
// MBMS Modem Process
//
// Copyright (C) 2021 Klaus Kühnhammer (Österreichische Rundfunksender GmbH & Co KG)
//
// This program 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.
// 
// 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 Affero General Public License for more details.
// 
// You should have received a copy of the GNU Affero General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.
//
 
#pragma once
 
#include <cstdint>
#include <string>
#include <vector>
#include <thread>
#include "srsran/srsran.h"
#include "srsran/rlc/rlc.h"
#include "Phy.h"
#include "RestHandler.h"
#include <libconfig.h++>
 
class CasFrameProcessor {
 public:
   CasFrameProcessor(const libconfig::Config& cfg, Phy& phy, srsran::rlc& rlc, RestHandler& rest, unsigned rx_channels)
     : _cfg(cfg)
     , _phy(phy)
     , _rest(rest)
     , _rlc(rlc)
     , _rx_channels(rx_channels)
     {}
 
   virtual ~CasFrameProcessor();
 
   bool init();
 
   bool process(uint32_t tti);
 
   void set_cell(srsran_cell_t cell);
 
   cf_t** get_rx_buffer_and_lock() {  _mutex.lock(); return _signal_buffer_rx; }
 
   uint32_t rx_buffer_size() { return _signal_buffer_max_samples; }
 
    void unlock() { _mutex.unlock(); }
 
    void lock() { _mutex.lock(); }
 
   std::vector<uint8_t> ce_values();
 
   std::vector<uint8_t> pdsch_data();
 
   float cinr_db() { return _ue_dl.chest_res.snr_db; }
 
 
 
 
   /********************** Getters and setters for chest_cfg params for rt-wui **********************************/
 
   void inline set_filter_order(uint8_t filter_order) { _ue_dl_cfg.chest_cfg.filter_coef[0]= filter_order; };
   uint8_t inline get_filter_order() { return static_cast<uint8_t>(_ue_dl_cfg.chest_cfg.filter_coef[0]); };
 
   void inline set_filter_coef(float filter_coef) { _ue_dl_cfg.chest_cfg.filter_coef[1] = filter_coef; };
   float inline get_filter_coef() { return static_cast<float>(_ue_dl_cfg.chest_cfg.filter_coef[1]); };
 
   void inline set_filter_type(srsran_chest_filter_t filter_type) { _ue_dl_cfg.chest_cfg.filter_type = filter_type; };
   uint8_t inline get_filter_type() { return static_cast<uint8_t>(_ue_dl_cfg.chest_cfg.filter_type); };
 
   void inline set_noise_alg(srsran_chest_dl_noise_alg_t noise_alg) { _ue_dl_cfg.chest_cfg.noise_alg = noise_alg; };
   uint8_t inline get_noise_alg() { return static_cast<uint8_t>(_ue_dl_cfg.chest_cfg.noise_alg); };
 
   void inline set_sync_error(bool enable) { _ue_dl_cfg.chest_cfg.sync_error_enable = enable; };
   bool inline get_sync_error() { return static_cast<uint8_t>(_ue_dl_cfg.chest_cfg.sync_error_enable); };
 
   void inline set_estimator_alg(srsran_chest_dl_estimator_alg_t estimator_alg) { _ue_dl_cfg.chest_cfg.estimator_alg = estimator_alg; };
   uint8_t inline get_estimator_alg() { return static_cast<uint8_t>(_ue_dl_cfg.chest_cfg.estimator_alg); };
   
   void inline set_cfo_estimate(bool enable) { _ue_dl_cfg.chest_cfg.cfo_estimate_enable = enable; };
   bool inline get_cfo_estimate() { return static_cast<uint8_t>(_ue_dl_cfg.chest_cfg.cfo_estimate_enable); };
 
   void inline set_evm_meas(bool enable) { _ue_dl_cfg.cfg.pdsch.meas_evm_en = enable; };
   bool inline get_evm_meas() { return static_cast<uint8_t>(_ue_dl_cfg.cfg.pdsch.meas_evm_en); };
 
   bool inline is_started() { return _started; }
 
 private:
   const libconfig::Config& _cfg;
    srsran::rlc& _rlc;
    Phy& _phy;
    RestHandler& _rest;
 
    cf_t*    _signal_buffer_rx[SRSRAN_MAX_PORTS] = {};
    uint32_t _signal_buffer_max_samples          = 0;
 
    srsran_softbuffer_rx_t _softbuffer;
    uint8_t* _data[SRSRAN_MAX_CODEWORDS];
 
    srsran_ue_dl_t     _ue_dl     = {};
    srsran_ue_dl_cfg_t _ue_dl_cfg = {};
    srsran_dl_sf_cfg_t _sf_cfg = {};
 
    srsran_cell_t _cell;
    std::mutex _mutex;
    unsigned _rx_channels;
 
    bool _started = 0;
};