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97 lines
2.6 KiB
C++
97 lines
2.6 KiB
C++
/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2013-2014 The srsLTE Developers. See the
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* COPYRIGHT file at the top-level directory of this distribution.
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*
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* \section LICENSE
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*
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* This file is part of the srsLTE library.
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*
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* srsLTE is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* srsLTE is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* A copy of the GNU Lesser General Public License can be found in
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* the LICENSE file in the top-level directory of this distribution
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* and at http://www.gnu.org/licenses/.
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*
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*/
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#include <unistd.h>
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#include "srslte/utils/debug.h"
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#include "srslte/ue_itf/phy.h"
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void tti_callback();
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void status_change();
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srslte::ue::phy phy;
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uint8_t payload[1024];
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void tti_callback(uint32_t tti) {
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printf("called tti: %d\n", tti);
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// This is the MAC implementation
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if ((phy.tti_to_SFN(tti)%2) == 0 && phy.tti_to_subf(tti) == 5) {
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srslte::ue::sched_grant grant;
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srslte_verbose = SRSLTE_VERBOSE_DEBUG;
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if (phy.get_dl_buffer(tti)->get_dl_grant(srslte::ue::dl_buffer::PDCCH_DL_SEARCH_SIRNTI, SRSLTE_SIRNTI, &grant)) {
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if (phy.get_dl_buffer(tti)->decode_pdsch(grant, payload)) {
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printf("Decoded SIB1 ok TBS: %d\n", grant.get_tbs());
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srslte_vec_fprint_hex(stdout, payload, grant.get_tbs());
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} else {
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fprintf(stderr, "Could not decode SIB\n");
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}
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} else {
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fprintf(stderr, "Error getting DL grant\n");
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}
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exit(0);
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}
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}
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void status_change() {
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printf("called status change\n");
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}
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int main(int argc, char *argv[])
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{
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srslte_cell_t cell;
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uint8_t bch_payload[SRSLTE_BCH_PAYLOAD_LEN];
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phy.init(tti_callback, status_change);
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sleep(1);
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phy.set_rx_freq(1825000000);
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phy.set_rx_gain(60.0);
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/* Instruct the PHY to decode BCH */
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if (!phy.decode_mib_best(&cell, bch_payload)) {
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exit(-1);
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}
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srslte_pbch_mib_fprint(stdout, &cell, phy.get_current_tti()/10);
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srslte_vec_fprint_hex(stdout, bch_payload, SRSLTE_BCH_PAYLOAD_LEN);
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// Set the current PHY cell to the detected cell
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if (!phy.set_cell(cell)) {
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printf("Error setting cell\n");
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exit(-1);
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}
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/* Instruct the PHY to start RX streaming and synchronize */
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if (!phy.start_rxtx()) {
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printf("Could not start RX\n");
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exit(-1);
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}
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/* go to idle and process each tti */
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while(1) {
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sleep(1);
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}
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} |