void base_init() {
/* init memory */
slot_buffer = malloc(sizeof(cf_t) * slot_n_re);
if (!slot_buffer) {
perror("malloc");
exit(-1);
}
output_buffer = malloc(sizeof(cf_t) * slot_n_samples);
if (!output_buffer) {
perror("malloc");
exit(-1);
}
/* open file or USRP */
if (output_file_name) {
if (filesink_init(&fsink, output_file_name, COMPLEX_FLOAT_BIN)) {
fprintf(stderr, "Error opening file %s\n", output_file_name);
exit(-1);
}
} else {
#ifndef DISABLE_UHD
printf("Opening UHD device...\n");
if (cuhd_open(uhd_args,&uhd)) {
fprintf(stderr, "Error opening uhd\n");
exit(-1);
}
#else
printf("Error UHD not available. Select an output file\n");
exit(-1);
#endif
}
/* create ifft object */
if (lte_ifft_init(&ifft, CPNORM, nof_prb)) {
fprintf(stderr, "Error creating iFFT object\n");
exit(-1);
}
if (pbch_init(&pbch, 6, cell_id, CPNORM)) {
fprintf(stderr, "Error creating PBCH object\n");
exit(-1);
}
}
void base_init() {
/* init memory */
sf_buffer = malloc(sizeof(cf_t) * sf_n_re);
if (!sf_buffer) {
perror("malloc");
exit(-1);
}
output_buffer = malloc(sizeof(cf_t) * sf_n_samples);
if (!output_buffer) {
perror("malloc");
exit(-1);
}
/* open file or USRP */
if (output_file_name) {
if (filesink_init(&fsink, output_file_name, COMPLEX_FLOAT_BIN)) {
fprintf(stderr, "Error opening file %s\n", output_file_name);
exit(-1);
}
} else {
#ifndef DISABLE_UHD
printf("Opening UHD device...\n");
if (cuhd_open(uhd_args, &uhd)) {
fprintf(stderr, "Error opening uhd\n");
exit(-1);
}
#else
printf("Error UHD not available. Select an output file\n");
exit(-1);
#endif
}
/* create ifft object */
if (lte_ifft_init(&ifft, CPNORM, cell.nof_prb)) {
fprintf(stderr, "Error creating iFFT object\n");
exit(-1);
}
if (pbch_init(&pbch, cell)) {
fprintf(stderr, "Error creating PBCH object\n");
exit(-1);
}
if (regs_init(®s, R_1, PHICH_NORM, cell)) {
fprintf(stderr, "Error initiating regs\n");
exit(-1);
}
if (pcfich_init(&pcfich, ®s, cell)) {
fprintf(stderr, "Error creating PBCH object\n");
exit(-1);
}
if (regs_set_cfi(®s, cfi)) {
fprintf(stderr, "Error setting CFI\n");
exit(-1);
}
if (pdcch_init(&pdcch, ®s, cell)) {
fprintf(stderr, "Error creating PDCCH object\n");
exit(-1);
}
if (pdsch_init(&pdsch, cell)) {
fprintf(stderr, "Error creating PDSCH object\n");
exit(-1);
}
pdsch_set_rnti(&pdsch, 1234);
if (pdsch_harq_init(&harq_process, &pdsch)) {
fprintf(stderr, "Error initiating HARQ process\n");
exit(-1);
}
}
int base_init() {
int i;
if (filesource_init(&fsrc, input_file_name, COMPLEX_FLOAT_BIN)) {
fprintf(stderr, "Error opening file %s\n", input_file_name);
exit(-1);
}
if (matlab_file_name) {
fmatlab = fopen(matlab_file_name, "w");
if (!fmatlab) {
perror("fopen");
return -1;
}
} else {
fmatlab = NULL;
}
input_buffer = malloc(FLEN * sizeof(cf_t));
if (!input_buffer) {
perror("malloc");
exit(-1);
}
fft_buffer = malloc(2 * CP_NSYMB(cell.cp) * cell.nof_prb * RE_X_RB * sizeof(cf_t));
if (!fft_buffer) {
perror("malloc");
return -1;
}
for (i=0;i<cell.nof_ports;i++) {
ce[i] = malloc(2 * CP_NSYMB(cell.cp) * cell.nof_prb * RE_X_RB * sizeof(cf_t));
if (!ce[i]) {
perror("malloc");
return -1;
}
}
if (!lte_cell_isvalid(&cell)) {
fprintf(stderr, "Invalid cell properties\n");
return -1;
}
if (chest_init_LTEDL(&chest, cell)) {
fprintf(stderr, "Error initializing equalizer\n");
return -1;
}
if (lte_fft_init(&fft, cell.cp, cell.nof_prb)) {
fprintf(stderr, "Error initializing FFT\n");
return -1;
}
if (pbch_init(&pbch, cell)) {
fprintf(stderr, "Error initiating PBCH\n");
return -1;
}
DEBUG("Memory init OK\n",0);
return 0;
}
int main(int argc, char **argv) {
pbch_t pbch;
pbch_mib_t mib_tx, mib_rx;
int i, j;
cf_t *ce[MAX_PORTS];
int nof_re;
cf_t *sf_symbols[MAX_PORTS];
parse_args(argc,argv);
nof_re = 2 * CPNORM_NSYMB * cell.nof_prb * RE_X_RB;
/* 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;
}
sf_symbols[i] = malloc(sizeof(cf_t) * nof_re);
if (!sf_symbols[i]) {
perror("malloc");
exit(-1);
}
}
if (pbch_init(&pbch, cell)) {
fprintf(stderr, "Error creating PBCH object\n");
exit(-1);
}
mib_tx.nof_ports = cell.nof_ports;
mib_tx.nof_prb = 50;
mib_tx.phich_length = PHICH_EXT;
mib_tx.phich_resources = R_1_6;
mib_tx.sfn = 124;
pbch_encode(&pbch, &mib_tx, sf_symbols);
/* combine outputs */
for (i=1;i<cell.nof_ports;i++) {
for (j=0;j<nof_re;j++) {
sf_symbols[0][j] += sf_symbols[i][j];
}
}
pbch_decode_reset(&pbch);
if (1 != pbch_decode(&pbch, sf_symbols[0], ce, &mib_rx)) {
printf("Error decoding\n");
exit(-1);
}
pbch_free(&pbch);
for (i=0;i<cell.nof_ports;i++) {
free(ce[i]);
free(sf_symbols[i]);
}
if (!memcmp(&mib_tx, &mib_rx, sizeof(pbch_mib_t))) {
printf("OK\n");
exit(0);
} else {
pbch_mib_fprint(stdout, &mib_rx);
exit(-1);
}
}
