mirror of https://github.com/pvnis/srsRAN_4G.git
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
104 lines
2.4 KiB
C++
104 lines
2.4 KiB
C++
/**
|
|
*
|
|
* \section COPYRIGHT
|
|
*
|
|
* Copyright 2013-2015 The srsLTE Developers. See the
|
|
* COPYRIGHT file at the top-level directory of this distribution.
|
|
*
|
|
* \section LICENSE
|
|
*
|
|
* This file is part of the srsLTE library.
|
|
*
|
|
* 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/.
|
|
*
|
|
*/
|
|
|
|
#include "srsapps/ue/mac/proc_sr.h"
|
|
#include "srsapps/ue/mac/mac_params.h"
|
|
|
|
|
|
namespace srslte {
|
|
namespace ue {
|
|
|
|
sr_proc::sr_proc() {
|
|
initiated = false;
|
|
}
|
|
|
|
void sr_proc::init(log* log_h_, mac_params* params_db_, phy* phy_h_)
|
|
{
|
|
log_h = log_h_;
|
|
params_db = params_db_;
|
|
phy_h = phy_h_;
|
|
initiated = true;
|
|
do_ra = false;
|
|
}
|
|
|
|
void sr_proc::reset()
|
|
{
|
|
is_pending_sr = false;
|
|
phy_h->send_sr(false);
|
|
}
|
|
|
|
void sr_proc::step(uint32_t tti)
|
|
{
|
|
if (initiated) {
|
|
if (is_pending_sr) {
|
|
if (params_db->get_param(mac_params::SR_PUCCH_CONFIGURED)) {
|
|
if (sr_counter < dsr_transmax) {
|
|
int last_tx_tti = phy_h->sr_last_tx_tti();
|
|
if (last_tx_tti >= 0 && last_tx_tti + 4 < tti) {
|
|
sr_counter++;
|
|
Info("SR signalling PHY. sr_counter=%d, PHY TTI=%d\n", sr_counter, phy_h->get_current_tti());
|
|
phy_h->send_sr(true);
|
|
}
|
|
} else {
|
|
do_ra = true;
|
|
reset();
|
|
}
|
|
} else {
|
|
do_ra = true;
|
|
reset();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
bool sr_proc::need_random_access() {
|
|
if (initiated) {
|
|
if (do_ra) {
|
|
do_ra = false;
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
void sr_proc::start()
|
|
{
|
|
if (initiated) {
|
|
if (!is_pending_sr) {
|
|
sr_counter = 0;
|
|
is_pending_sr = true;
|
|
}
|
|
dsr_transmax = params_db->get_param(mac_params::SR_TRANS_MAX);
|
|
Info("SR starting dsrTransMax=%d. sr_counter=%d\n", dsr_transmax, sr_counter);
|
|
}
|
|
}
|
|
|
|
}
|
|
}
|
|
|