void base_free() {
int i;
for (i = 0; i < SRSLTE_MAX_CODEWORDS; i++) {
srslte_softbuffer_tx_free(softbuffers[i]);
if (softbuffers[i]) {
free(softbuffers[i]);
}
}
srslte_pdsch_free(&pdsch);
srslte_pdcch_free(&pdcch);
srslte_regs_free(®s);
srslte_pbch_free(&pbch);
if(mbsfn_area_id > -1){
srslte_pmch_free(&pmch);
}
srslte_ofdm_tx_free(&ifft_mbsfn);
for (i = 0; i < cell.nof_ports; i++) {
srslte_ofdm_tx_free(&ifft[i]);
}
for (i = 0; i < SRSLTE_MAX_CODEWORDS; i++) {
if (data[i]) {
free(data[i]);
}
}
for (i = 0; i < SRSLTE_MAX_PORTS; i++) {
if (sf_buffer[i]) {
free(sf_buffer[i]);
}
if (output_buffer[i]) {
free(output_buffer[i]);
}
}
if (output_file_name) {
if (!null_file_sink) {
srslte_filesink_free(&fsink);
}
} else {
#ifndef DISABLE_RF
srslte_rf_close(&rf);
#endif
}
if (net_port > 0) {
srslte_netsource_free(&net_source);
sem_close(&net_sem);
}
}
void base_free() {
int i;
srslte_filesource_free(&fsrc);
free(input_buffer);
free(fft_buffer);
srslte_filesource_free(&fsrc);
for (i=0;i<cell.nof_ports;i++) {
free(ce[i]);
}
srslte_chest_dl_free(&chest);
srslte_ofdm_rx_free(&fft);
srslte_pbch_free(&pbch);
}
void srslte_ue_mib_free(srslte_ue_mib_t * q)
{
if (q->sf_symbols) {
free(q->sf_symbols);
}
for (int i=0;i<SRSLTE_MAX_PORTS;i++) {
if (q->ce[i]) {
free(q->ce[i]);
}
}
srslte_sync_free(&q->sfind);
srslte_chest_dl_free(&q->chest);
srslte_pbch_free(&q->pbch);
srslte_ofdm_rx_free(&q->fft);
bzero(q, sizeof(srslte_ue_mib_t));
}
void srslte_enb_dl_free(srslte_enb_dl_t *q)
{
if (q) {
for (int i = 0; i < SRSLTE_MAX_PORTS; i++) {
srslte_ofdm_tx_free(&q->ifft[i]);
}
srslte_ofdm_tx_free(&q->ifft_mbsfn);
srslte_regs_free(&q->regs);
srslte_pbch_free(&q->pbch);
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_refsignal_free(&q->csr_signal);
srslte_refsignal_free(&q->mbsfnr_signal);
for (int i=0;i<SRSLTE_MAX_PORTS;i++) {
if (q->sf_symbols[i]) {
free(q->sf_symbols[i]);
}
}
bzero(q, sizeof(srslte_enb_dl_t));
}
}
int main(int argc, char **argv) {
srslte_pbch_t pbch;
uint8_t bch_payload_tx[SRSLTE_BCH_PAYLOAD_LEN], bch_payload_rx[SRSLTE_BCH_PAYLOAD_LEN];
int i, j;
cf_t *ce[SRSLTE_MAX_PORTS];
int nof_re;
cf_t *slot1_symbols[SRSLTE_MAX_PORTS];
uint32_t nof_rx_ports;
parse_args(argc,argv);
nof_re = SRSLTE_SLOT_LEN_RE(cell.nof_prb, SRSLTE_CP_NORM);
/* init memory */
for (i=0;i<cell.nof_ports;i++) {
ce[i] = malloc(sizeof(cf_t) * nof_re);
if (!ce[i]) {
perror("malloc");
exit(-1);
}
for (j=0;j<nof_re;j++) {
ce[i][j] = 1;
}
slot1_symbols[i] = malloc(sizeof(cf_t) * nof_re);
if (!slot1_symbols[i]) {
perror("malloc");
exit(-1);
}
}
if (srslte_pbch_init(&pbch, cell)) {
fprintf(stderr, "Error creating PBCH object\n");
exit(-1);
}
srand(time(NULL));
for (i=0;i<SRSLTE_BCH_PAYLOAD_LEN;i++) {
bch_payload_tx[i] = rand()%2;
}
srslte_pbch_encode(&pbch, bch_payload_tx, slot1_symbols, 0);
/* combine outputs */
for (i=1;i<cell.nof_ports;i++) {
for (j=0;j<nof_re;j++) {
slot1_symbols[0][j] += slot1_symbols[i][j];
}
}
srslte_pbch_decode_reset(&pbch);
if (1 != srslte_pbch_decode(&pbch, slot1_symbols[0], ce, 0, bch_payload_rx, &nof_rx_ports, NULL)) {
printf("Error decoding\n");
exit(-1);
}
srslte_pbch_free(&pbch);
for (i=0;i<cell.nof_ports;i++) {
free(ce[i]);
free(slot1_symbols[i]);
}
printf("Tx ports: %d - Rx ports: %d\n", cell.nof_ports, nof_rx_ports);
printf("Tx payload: ");
srslte_vec_fprint_hex(stdout, bch_payload_tx, SRSLTE_BCH_PAYLOAD_LEN);
printf("Rx payload: ");
srslte_vec_fprint_hex(stdout, bch_payload_rx, SRSLTE_BCH_PAYLOAD_LEN);
if (nof_rx_ports == cell.nof_ports && !memcmp(bch_payload_rx, bch_payload_tx, sizeof(uint8_t) * SRSLTE_BCH_PAYLOAD_LEN)) {
printf("OK\n");
exit(0);
} else {
printf("Error\n");
exit(-1);
}
}