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srsLTE
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Option to not wrap when reading signal from file

This commit is contained in:
Ismael Gomez 2018-01-16 19:33:51 +01:00
parent 4cc286222d
commit 0750ff3091
3 changed files with 21 additions and 8 deletions
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2
lib/examples/usrp_capture_sync.c
View File

@ -213,6 +213,6 @@ int main(int argc, char **argv) {
}
}
printf("Ok - wrote %d subframes\n", subframe_count);
printf("\nOk - wrote %d subframes\n", subframe_count);
exit(0);
}

4
lib/include/srslte/phy/ue/ue_sync.h
View File

@ -97,6 +97,7 @@ typedef struct SRSLTE_API {
srslte_filesource_t file_source;
bool file_mode;
float file_cfo;
bool file_wrap_enable;
srslte_cfo_t file_cfo_correct;
srslte_ue_sync_state_t state;
@ -185,6 +186,9 @@ SRSLTE_API int srslte_ue_sync_init_file_multi(srslte_ue_sync_t *q,
SRSLTE_API void srslte_ue_sync_free(srslte_ue_sync_t *q);
SRSLTE_API void srslte_ue_sync_file_wrap(srslte_ue_sync_t *q,
bool enable);
SRSLTE_API int srslte_ue_sync_set_cell(srslte_ue_sync_t *q,
srslte_cell_t cell);

9
lib/src/phy/ue/ue_sync.c
View File

@ -58,6 +58,10 @@ int srslte_ue_sync_init_file(srslte_ue_sync_t *q, uint32_t nof_prb, char *file_n
return srslte_ue_sync_init_file_multi(q, nof_prb, file_name, offset_time, offset_freq, 1);
}
void srslte_ue_sync_file_wrap(srslte_ue_sync_t *q, bool enable) {
q->file_wrap_enable = enable;
}
int srslte_ue_sync_init_file_multi(srslte_ue_sync_t *q, uint32_t nof_prb, char *file_name, int offset_time,
float offset_freq, uint32_t nof_rx_ant) {
int ret = SRSLTE_ERROR_INVALID_INPUTS;
@ -69,6 +73,7 @@ int srslte_ue_sync_init_file_multi(srslte_ue_sync_t *q, uint32_t nof_prb, char *
ret = SRSLTE_ERROR;
bzero(q, sizeof(srslte_ue_sync_t));
q->file_mode = true;
q->file_wrap_enable = true;
q->sf_len = SRSLTE_SF_LEN(srslte_symbol_sz(nof_prb));
q->file_cfo = -offset_freq;
q->fft_size = srslte_symbol_sz(nof_prb);
@ -691,6 +696,7 @@ int srslte_ue_sync_zerocopy_multi(srslte_ue_sync_t *q, cf_t *input_buffer[SRSLTE
return SRSLTE_ERROR;
}
if (n == 0) {
if (q->file_wrap_enable) {
srslte_filesource_seek(&q->file_source, 0);
q->sf_idx = 9;
n = srslte_filesource_read_multi(&q->file_source, (void **) input_buffer, q->sf_len, q->nof_rx_antennas);
@ -698,6 +704,9 @@ int srslte_ue_sync_zerocopy_multi(srslte_ue_sync_t *q, cf_t *input_buffer[SRSLTE
fprintf(stderr, "Error reading input file\n");
return SRSLTE_ERROR;
}
} else {
return SRSLTE_ERROR;
}
}
if (q->cfo_correct_enable_track) {
for (int i = 0; i < q->nof_rx_antennas; i++) {