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/*
* main.c
*
* Tranceiver main program
*
* Copyright (C) 2013 Sylvain Munaut <tnt@246tNt.com>
*
* All Rights Reserved
*
* 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/>.
*/
#include <stdlib.h>
#include <string.h>
#include <osmocom/core/select.h>
#include <osmocom/core/talloc.h>
#include <osmocom/bb/common/logging.h>
#include "app.h"
#include "l1ctl.h"
#include "l1ctl_link.h"
#include "trx.h"
#include "gmsk.h"
#include "gsm_ab.h"
void *l23_ctx = NULL;
int main(int argc, char *argv[])
{
struct app_state _as, *as = &_as;
int rv;
/* Options */
if (argc != 2) {
fprintf(stderr, "Usage: %s arfcn_sync\n", argv[0]);
return -1;
}
/* App state init */
memset(as, 0x00, sizeof(struct app_state));
as->arfcn_sync = atoi(argv[1]);
printf("%d\n", as->arfcn_sync);
/* Init talloc */
l23_ctx = talloc_named_const(NULL, 1, "l23 app context");
/* Init logging */
log_init(&log_info, l23_ctx);
as->stderr_target = log_target_create_stderr();
log_add_target(as->stderr_target);
log_set_all_filter(as->stderr_target, 1);
/* Init signal processing */
/* Init GMSK tables */
as->gs = osmo_gmsk_init(1);
if (!as->gs)
exit(-1);
/* Init AB corr seq */
as->train_ab = osmo_gmsk_trainseq_generate(as->gs, gsm_ab_train, GSM_AB_TRAIN_LEN);
if (!as->train_ab)
exit(-1);
/* TRX interface with OpenBTS */
as->trx = trx_alloc("127.0.0.1", 5700, &as->l1l);
if (!as->trx)
exit(-1);
/* Establish l1ctl link */
rv = l1l_open(&as->l1l, "/tmp/osmocom_l2", l1ctl_recv, as);
if (rv)
exit(-1);
/* Reset phone */
l1ctl_tx_reset_req(&as->l1l, L1CTL_RES_T_FULL);
/* Main loop */
while (1) {
osmo_select_main(0);
}
return 0;
}
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