void srslte_sync_free(srslte_sync_t *q) {
if (q) {
srslte_pss_synch_free(&q->pss);
srslte_sss_synch_free(&q->sss);
srslte_cfo_free(&q->cfocorr);
}
}
void srslte_ue_dl_free(srslte_ue_dl_t *q) {
if (q) {
for (int port = 0; port < SRSLTE_MAX_PORTS; port++) {
srslte_ofdm_rx_free(&q->fft[port]);
}
srslte_ofdm_rx_free(&q->fft_mbsfn);
srslte_chest_dl_free(&q->chest);
srslte_regs_free(&q->regs);
srslte_pcfich_free(&q->pcfich);
srslte_phich_free(&q->phich);
srslte_pdcch_free(&q->pdcch);
srslte_pdsch_free(&q->pdsch);
srslte_pmch_free(&q->pmch);
srslte_cfo_free(&q->sfo_correct);
for (int i = 0; i < SRSLTE_MAX_TB; i++) {
srslte_softbuffer_rx_free(q->softbuffers[i]);
if (q->softbuffers[i]) {
free(q->softbuffers[i]);
}
}
for (int j = 0; j < SRSLTE_MAX_PORTS; j++) {
if (q->sf_symbols_m[j]) {
free(q->sf_symbols_m[j]);
}
for (uint32_t i=0;i<SRSLTE_MAX_PORTS;i++) {
if (q->ce_m[i][j]) {
free(q->ce_m[i][j]);
}
}
}
bzero(q, sizeof(srslte_ue_dl_t));
}
}
int main(int argc, char **argv) {
int i;
cf_t *input, *output;
srslte_cfo_t cfocorr;
float mse;
if (argc < 5) {
usage(argv[0]);
exit(-1);
}
parse_args(argc, argv);
input = malloc(sizeof(cf_t) * num_samples);
if (!input) {
perror("malloc");
exit(-1);
}
output = malloc(sizeof(cf_t) * num_samples);
if (!output) {
perror("malloc");
exit(-1);
}
for (i=0;i<num_samples;i++) {
input[i] = 100 * (rand()/RAND_MAX + I*rand()/RAND_MAX);
output[i] = input[i];
}
if (srslte_cfo_init(&cfocorr, num_samples)) {
fprintf(stderr, "Error initiating CFO\n");
return -1;
}
srslte_cfo_correct(&cfocorr, output, output, freq);
srslte_cfo_correct(&cfocorr, output, output, -freq);
mse = 0;
for (i=0;i<num_samples;i++) {
mse += cabsf(input[i] - output[i]) / num_samples;
}
srslte_cfo_free(&cfocorr);
free(input);
free(output);
printf("MSE: %f\n", mse);
if (mse > MAX_MSE) {
printf("MSE too large\n");
exit(-1);
} else {
printf("Ok\n");
exit(0);
}
}
void srslte_sync_free(srslte_sync_t *q)
{
if (q) {
srslte_pss_free(&q->pss);
srslte_sss_free(&q->sss);
srslte_cfo_free(&q->cfo_corr_frame);
srslte_cfo_free(&q->cfo_corr_symbol);
srslte_cp_synch_free(&q->cp_synch);
for (int i = 0; i < 2; i++) {
if (q->cfo_i_corr[i]) {
free(q->cfo_i_corr[i]);
}
srslte_pss_free(&q->pss_i[i]);
}
if (q->temp) {
free(q->temp);
}
}
}
void srslte_sync_free(srslte_sync_t *q) {
if (q) {
srslte_pss_synch_free(&q->pss);
srslte_sss_synch_free(&q->sss);
srslte_cfo_free(&q->cfocorr);
srslte_cp_synch_free(&q->cp_synch);
for (int i=0;i<2;i++) {
if (q->cfo_i_corr[i]) {
free(q->cfo_i_corr[i]);
}
srslte_pss_synch_free(&q->pss_i[i]);
}
}
}
void srslte_ue_dl_free(srslte_ue_dl_t *q) {
if (q) {
srslte_ofdm_rx_free(&q->fft);
srslte_chest_dl_free(&q->chest);
srslte_regs_free(&q->regs);
srslte_pcfich_free(&q->pcfich);
srslte_phich_free(&q->phich);
srslte_pdcch_free(&q->pdcch);
srslte_pdsch_free(&q->pdsch);
srslte_cfo_free(&q->sfo_correct);
srslte_softbuffer_rx_free(&q->softbuffer);
if (q->sf_symbols) {
free(q->sf_symbols);
}
for (uint32_t i=0;i<q->cell.nof_ports;i++) {
if (q->ce[i]) {
free(q->ce[i]);
}
}
bzero(q, sizeof(srslte_ue_dl_t));
}
}