Commit f31145ac authored by Cedric Roux's avatar Cedric Roux

new IQ logger

the current version is very specific to PUSCH IQ data, where the
input buffer has a special format

to be rewritten cleanly at some point
parent d2bd09bb
CC=gcc
CFLAGS=-Wall -g -pthread -I..
OBJS=logger.o textlog.o framelog.o ttilog.o timelog.o ticklog.o
OBJS=logger.o textlog.o framelog.o ttilog.o timelog.o ticklog.o iqlog.o
logger.a: $(OBJS)
ar cr logger.a $(OBJS)
......
#include "logger.h"
#include "logger_defs.h"
#include "handler.h"
#include "database.h"
#include "filter/filter.h"
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <math.h>
struct iqlog {
struct logger common;
void *database;
int nb_rb_arg;
int N_RB_UL_arg;
int symbols_per_tti_arg;
int buffer_arg;
float *i;
float *q;
int max_length;
};
#if 0
/* this function passes all received IQ samples to the views */
static void _event(void *p, event e)
{
struct iqlog *l = p;
int i;
void *buffer;
int bsize;
int nsamples;
if (l->common.filter != NULL && filter_eval(l->common.filter, e) == 0)
return;
buffer = e.e[l->buffer_arg].b;
bsize = e.e[l->buffer_arg].bsize;
nsamples = bsize / (2*sizeof(int16_t));
if (nsamples > l->max_length) {
l->i = realloc(l->i, nsamples * sizeof(float));
if (l->i == NULL) abort();
l->q = realloc(l->q, nsamples * sizeof(float));
if (l->q == NULL) abort();
l->max_length = nsamples;
}
for (i = 0; i < nsamples; i++) {
l->i[i] = ((int16_t *)buffer)[i*2];
l->q[i] = ((int16_t *)buffer)[i*2+1];
}
for (i = 0; i < l->common.vsize; i++)
l->common.v[i]->append(l->common.v[i], l->i, l->q, nsamples);
}
#endif
static void _event(void *p, event e)
{
struct iqlog *l = p;
int i, j;
void *buffer;
int bsize;
int nb_rb;
int N_RB_UL;
int symbols_per_tti;
int max_nsamples;
float *idst, *qdst;
int count;
if (l->common.filter != NULL && filter_eval(l->common.filter, e) == 0)
return;
nb_rb = e.e[l->nb_rb_arg].i;
N_RB_UL = e.e[l->N_RB_UL_arg].i;
symbols_per_tti = e.e[l->symbols_per_tti_arg].i;
buffer = e.e[l->buffer_arg].b;
bsize = e.e[l->buffer_arg].bsize;
if (bsize != N_RB_UL * symbols_per_tti * 12 * 4) {
printf("%s:%d:%s: bad buffer size\n", __FILE__, __LINE__, __FUNCTION__);
abort();
}
max_nsamples = bsize / 4;
if (max_nsamples > l->max_length) {
l->i = realloc(l->i, max_nsamples * sizeof(float));
if (l->i == NULL) abort();
l->q = realloc(l->q, max_nsamples * sizeof(float));
if (l->q == NULL) abort();
l->max_length = max_nsamples;
}
idst = l->i;
qdst = l->q;
count = 0;
for (i = 0; i < symbols_per_tti; i++)
for (j = 0; j < 12 * nb_rb; j++) {
*idst = ((int16_t *)buffer)[(i*N_RB_UL*12 + j) * 2];
*qdst = ((int16_t *)buffer)[(i*N_RB_UL*12 + j) * 2 + 1];
idst++;
qdst++;
count++;
}
for (i = 0; i < l->common.vsize; i++)
l->common.v[i]->append(l->common.v[i], l->i, l->q, count);
}
logger *new_iqlog(event_handler *h, void *database,
char *event_name, char *nb_rb, char *N_RB_UL, char *symbols_per_tti,
char *buffer_varname)
{
struct iqlog *ret;
int event_id;
database_event_format f;
int i;
ret = calloc(1, sizeof(struct iqlog)); if (ret == NULL) abort();
ret->common.event_name = strdup(event_name);
if (ret->common.event_name == NULL) abort();
ret->database = database;
event_id = event_id_from_name(database, event_name);
ret->common.handler_id = register_handler_function(h,event_id,_event,ret);
f = get_format(database, event_id);
/* look for args */
ret->nb_rb_arg = -1;
ret->N_RB_UL_arg = -1;
ret->symbols_per_tti_arg = -1;
ret->buffer_arg = -1;
for (i = 0; i < f.count; i++) {
if (!strcmp(f.name[i], nb_rb)) ret->nb_rb_arg = i;
if (!strcmp(f.name[i], N_RB_UL)) ret->N_RB_UL_arg = i;
if (!strcmp(f.name[i], symbols_per_tti)) ret->symbols_per_tti_arg = i;
if (!strcmp(f.name[i], buffer_varname)) ret->buffer_arg = i;
}
if (ret->nb_rb_arg == -1) {
printf("%s:%d: argument '%s' not found in event '%s'\n",
__FILE__, __LINE__, nb_rb, event_name);
abort();
}
if (ret->N_RB_UL_arg == -1) {
printf("%s:%d: argument '%s' not found in event '%s'\n",
__FILE__, __LINE__, N_RB_UL, event_name);
abort();
}
if (ret->symbols_per_tti_arg == -1) {
printf("%s:%d: argument '%s' not found in event '%s'\n",
__FILE__, __LINE__, symbols_per_tti, event_name);
abort();
}
if (ret->buffer_arg == -1) {
printf("%s:%d: buffer argument '%s' not found in event '%s'\n",
__FILE__, __LINE__, buffer_varname, event_name);
abort();
}
if (strcmp(f.type[ret->nb_rb_arg], "int") != 0) {
printf("%s:%d: argument '%s' has wrong type (should be 'int')\n",
__FILE__, __LINE__, nb_rb);
abort();
}
if (strcmp(f.type[ret->N_RB_UL_arg], "int") != 0) {
printf("%s:%d: argument '%s' has wrong type (should be 'int')\n",
__FILE__, __LINE__, nb_rb);
abort();
}
if (strcmp(f.type[ret->symbols_per_tti_arg], "int") != 0) {
printf("%s:%d: argument '%s' has wrong type (should be 'int')\n",
__FILE__, __LINE__, symbols_per_tti);
abort();
}
if (strcmp(f.type[ret->buffer_arg], "buffer") != 0) {
printf("%s:%d: argument '%s' has wrong type (should be 'buffer')\n",
__FILE__, __LINE__, buffer_varname);
abort();
}
return ret;
}
......@@ -13,6 +13,9 @@ logger *new_ttilog(void *event_handler, void *database,
logger *new_timelog(void *event_handler, void *database, char *event_name);
logger *new_ticklog(void *event_handler, void *database,
char *event_name, char *frame_name, char *subframe_name);
logger *new_iqlog(void *event_handler, void *database,
char *event_name, char *nb_rb, char *N_RB_UL, char *symbols_per_tti,
char *buffer_varname);
void framelog_set_skip(logger *_this, int skip_delay);
void framelog_set_update_only_at_sf9(logger *_this, int update_only_at_sf9);
......
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