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/* GMR-1 RT framework: Common definitions */
/* (C) 2011-2016 by 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/>.
*/
#ifndef __RTFWK_COMMON_H__
#define __RTFWK_COMMON_H__
#include <math.h>
#include <osmocom/dsp/cxvec.h>
#include <osmocom/dsp/cxvec_math.h>
#include <osmocom/gmr1/sdr/defs.h>
#include "sampbuf.h"
struct gsmtap_inst;
struct gmr1_pi4cxpsk_burst;
struct app_state
{
/* Sample source */
struct sample_buf *buf;
int arfcn[MAX_CHANS];
char *filename[MAX_CHANS];
/* Params */
int n_chans;
int sps;
/* GSMTap */
struct gsmtap_inst *gti;
};
int
win_map(struct osmo_cxvec *win,
float complex *data, int data_len,
int begin, int win_len);
int
burst_map(struct osmo_cxvec *burst,
float complex *data, int data_len, int base_align, int sps,
struct gmr1_pi4cxpsk_burst *burst_type, int tn, int win);
float
burst_energy(struct osmo_cxvec *burst);
static inline float
to_hz(float f_rps)
{
return (GMR1_SYM_RATE * f_rps) / (2.0f * M_PIf);
}
static inline float
to_db(float v)
{
return 10.0f * log10f(v);
}
#endif /* __RTFWK_COMMON_H__ */
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