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pssch_ue: fix memory leaks and operation with RF

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- add missing free's for ofdm and chest objects
- fix sf_idx setting
- add getchar() when plotting from file to observe output
master
Andre Puschmann 5 years ago
parent 248e2b5f7e
commit 14143f8560
1 changed files with 38 additions and 47 deletions
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85
lib/examples/pssch_ue.c
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@ -43,7 +43,7 @@
#define PCAP_FILENAME "/tmp/pssch.pcap"
static bool keep_running = true;
static bool keep_running = true;
static srslte_cell_sl_t cell_sl = {.nof_prb = 50, .tm = SRSLTE_SIDELINK_TM4, .cp = SRSLTE_CP_NORM, .N_sl_id = 0};
@ -52,7 +52,7 @@ typedef struct {
bool disable_plots;
char* input_file_name;
uint32_t file_start_sf_idx;
uint32_t nof_ports;
uint32_t nof_rx_antennas;
char* rf_dev;
char* rf_args;
double rf_freq;
@ -69,14 +69,12 @@ void args_default(prog_args_t* args)
args->use_standard_lte_rates = false;
args->input_file_name = NULL;
args->file_start_sf_idx = 0;
args->nof_ports = 1;
args->nof_rx_antennas = 1;
args->rf_dev = "";
args->rf_args = "";
args->rf_dev = "";
args->rf_args = "";
args->rf_freq = 5.92e6;
args->rf_freq = 5.92e9;
args->rf_gain = 50;
args->nof_ports = 1;
args->size_sub_channel = 10;
args->num_sub_channel = 5;
}
@ -94,7 +92,7 @@ static srslte_filesource_t fsrc = {};
#ifdef ENABLE_GUI
#include "srsgui/srsgui.h"
void init_plots();
void init_plots();
static pthread_t plot_thread;
static sem_t plot_sem;
#endif // ENABLE_GUI
@ -136,13 +134,13 @@ void pcap_pack_and_write(FILE* pcap_file,
void usage(prog_args_t* args, char* prog)
{
printf("Usage: %s [agrnv] -f rx_frequency_hz\n", prog);
printf("Usage: %s [agrnmv] -f rx_frequency_hz\n", prog);
printf("\t-a RF args [Default %s]\n", args->rf_args);
printf("\t-d RF devicename [Default %s]\n", args->rf_dev);
printf("\t-i input_file_name\n");
printf("\t-s Start subframe_idx [Default %d]\n", args->file_start_sf_idx);
printf("\t-m Start subframe_idx [Default %d]\n", args->file_start_sf_idx);
printf("\t-g RF Gain [Default %.2f dB]\n", args->rf_gain);
printf("\t-A nof_rx_antennas [Default %d]\n", args->nof_ports);
printf("\t-A nof_rx_antennas [Default %d]\n", args->nof_rx_antennas);
printf("\t-c N_sl_id [Default %d]\n", cell_sl.N_sl_id);
printf("\t-p nof_prb [Default %d]\n", cell_sl.nof_prb);
printf("\t-s size_sub_channel [Default for 50 prbs %d]\n", args->size_sub_channel);
@ -187,7 +185,7 @@ void parse_args(prog_args_t* args, int argc, char** argv)
args->rf_freq = strtof(argv[optind], NULL);
break;
case 'A':
args->nof_ports = (int32_t)strtol(argv[optind], NULL, 10);
args->nof_rx_antennas = (int32_t)strtol(argv[optind], NULL, 10);
break;
case 'v':
srslte_verbose++;
@ -255,12 +253,13 @@ int main(int argc, char** argv)
if (!prog_args.input_file_name) {
printf("Opening RF device...\n");
if (srslte_rf_open_multi(&radio, prog_args.rf_args, prog_args.nof_ports)) {
if (srslte_rf_open_multi(&radio, prog_args.rf_args, prog_args.nof_rx_antennas)) {
ERROR("Error opening rf\n");
exit(-1);
}
printf("Set RX freq: %.6f MHz\n", srslte_rf_set_rx_freq(&radio, prog_args.nof_ports, prog_args.rf_freq) / 1000000);
printf("Set RX freq: %.6f MHz\n",
srslte_rf_set_rx_freq(&radio, prog_args.nof_rx_antennas, prog_args.rf_freq) / 1e6);
printf("Set RX gain: %.1f dB\n", srslte_rf_set_rx_gain(&radio, prog_args.rf_gain));
int srate = srslte_sampling_freq_hz(cell_sl.nof_prb);
@ -283,9 +282,9 @@ int main(int argc, char** argv)
printf("Using a SF len of %d samples\n", sf_len);
cf_t* rx_buffer[SRSLTE_MAX_CHANNELS] = {}; //< For radio to receive samples
cf_t* sf_buffer[SRSLTE_MAX_PORTS] = {NULL}; ///< For OFDM object to store subframe after FFT
cf_t* sf_buffer[SRSLTE_MAX_PORTS] = {NULL}; ///< For OFDM object to store subframe after FFT
for (int i = 0; i < prog_args.nof_ports; i++) {
for (int i = 0; i < prog_args.nof_rx_antennas; i++) {
rx_buffer[i] = srslte_vec_cf_malloc(sf_len);
if (!rx_buffer[i]) {
perror("malloc");
@ -310,7 +309,7 @@ int main(int argc, char** argv)
ofdm_cfg.normalize = true;
ofdm_cfg.sf_type = SRSLTE_SF_NORM;
ofdm_cfg.freq_shift_f = -0.5;
for (int i = 0; i < prog_args.nof_ports; i++) {
for (int i = 0; i < prog_args.nof_rx_antennas; i++) {
ofdm_cfg.in_buffer = rx_buffer[0];
ofdm_cfg.out_buffer = sf_buffer[0];
@ -357,30 +356,35 @@ int main(int argc, char** argv)
return SRSLTE_ERROR;
}
uint8_t tb[SRSLTE_SL_SCH_MAX_TB_LEN] = {};
uint8_t packed_tb[SRSLTE_SL_SCH_MAX_TB_LEN / 8] = {};
uint8_t tb[SRSLTE_SL_SCH_MAX_TB_LEN] = {};
uint8_t packed_tb[SRSLTE_SL_SCH_MAX_TB_LEN / 8] = {};
#ifndef DISABLE_RF
srslte_ue_sync_t ue_sync = {};
if (!prog_args.input_file_name) {
srslte_cell_t cell = {};
cell.nof_prb = cell_sl.nof_prb;
cell.cp = SRSLTE_CP_NORM;
cell.nof_ports = 1;
if (srslte_ue_sync_init_multi_decim_mode(&ue_sync,
SRSLTE_MAX_PRB,
cell.nof_prb,
false,
srslte_rf_recv_wrapper,
prog_args.nof_ports,
prog_args.nof_rx_antennas,
(void*)&radio,
1.0,
1,
SYNC_MODE_GNSS)) {
fprintf(stderr, "Error initiating sync_gnss\n");
exit(-1);
}
srslte_cell_t cell = {};
cell.nof_prb = cell_sl.nof_prb;
if (srslte_ue_sync_set_cell(&ue_sync, cell)) {
ERROR("Error initiating ue_sync\n");
exit(-1);
}
srslte_rf_start_rx_stream(&radio, false);
}
#endif
@ -391,17 +395,7 @@ int main(int argc, char** argv)
}
#endif
#ifndef DISABLE_RF
if (!prog_args.input_file_name) {
// after configuring RF params and before starting streamer, set device to GPS time
srslte_rf_sync(&radio);
// start streaming
srslte_rf_start_rx_stream(&radio, false);
}
#endif // DISABLE_RF
uint32_t subframe_count = 0;
uint32_t subframe_count = 0;
uint32_t pscch_prb_start_idx = 0;
uint32_t current_sf_idx = 0;
@ -430,18 +424,8 @@ int main(int argc, char** argv)
ERROR("Error calling srslte_ue_sync_work()\n");
}
if (subframe_count == 0) {
// print timestamp of the first samples
srslte_timestamp_t ts_rx;
srslte_ue_sync_get_last_timestamp(&ue_sync, &ts_rx);
printf("Received samples start at %ld + %.10f. TTI=%d.%d\n",
ts_rx.full_secs,
ts_rx.frac_secs,
srslte_ue_sync_get_sfn(&ue_sync),
srslte_ue_sync_get_sfidx(&ue_sync));
current_sf_idx = (srslte_ue_sync_get_sfn(&ue_sync) * 10) + srslte_ue_sync_get_sfidx(&ue_sync);
}
// update SF index
current_sf_idx = srslte_ue_sync_get_sfidx(&ue_sync);
#endif // DISABLE_RF
}
@ -529,6 +513,10 @@ int main(int argc, char** argv)
if (!prog_args.disable_plots) {
sem_post(&plot_sem);
}
if (prog_args.input_file_name) {
printf("Press Enter to continue ...\n");
getchar();
}
#endif
}
}
@ -547,6 +535,7 @@ int main(int argc, char** argv)
}
}
}
current_sf_idx = (current_sf_idx + 1) % 10;
subframe_count++;
}
@ -580,14 +569,16 @@ clean_exit:
srslte_sci_free(&sci);
srslte_pscch_free(&pscch);
srslte_chest_sl_free(&pscch_chest);
srslte_chest_sl_free(&pssch_chest);
for (int i = 0; i < prog_args.nof_ports; i++) {
for (int i = 0; i < prog_args.nof_rx_antennas; i++) {
if (rx_buffer[i]) {
free(rx_buffer[i]);
}
if (sf_buffer[i]) {
free(sf_buffer[i]);
}
srslte_ofdm_rx_free(&fft[i]);
}
if (equalized_sf_buffer) {

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