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srsLTE
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Added cross channels to srsue GUI

This commit is contained in:
Xavier Arteaga 2018-01-18 17:14:04 +01:00
parent 43549ee942
commit 373afcddc9
2 changed files with 35 additions and 18 deletions
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4
srsue/hdr/phy/phch_worker.h
View File

@ -63,7 +63,9 @@ public:
void start_trace();
void write_trace(std::string filename);
int read_ce_abs(float *ce_abs);
int read_ce_abs(float *ce_abs, uint32_t tx_antenna, uint32_t rx_antenna);
uint32_t get_cell_nof_ports() {return cell.nof_ports;};
uint32_t get_rx_nof_antennas() {return ue_dl.nof_rx_antennas;};
int read_pdsch_d(cf_t *pdsch_d);
void start_plot();

49
srsue/src/phy/phch_worker.cc
View File

@ -1287,13 +1287,13 @@ void phch_worker::start_plot() {
#endif
}
int phch_worker::read_ce_abs(float *ce_abs) {
int phch_worker::read_ce_abs(float *ce_abs, uint32_t tx_antenna, uint32_t rx_antenna) {
uint32_t i=0;
int sz = srslte_symbol_sz(cell.nof_prb);
bzero(ce_abs, sizeof(float)*sz);
int g = (sz - 12*cell.nof_prb)/2;
for (i = 0; i < 12*cell.nof_prb; i++) {
ce_abs[g+i] = 20 * log10f(cabsf(ue_dl.ce_m[0][0][i]));
ce_abs[g+i] = 20 * log10f(cabsf(ue_dl.ce_m[tx_antenna][rx_antenna][i]));
if (isinf(ce_abs[g+i])) {
ce_abs[g+i] = -80;
}
@ -1434,7 +1434,7 @@ void phch_worker::tr_log_end()
#ifdef ENABLE_GUI
plot_real_t pce;
plot_real_t pce[SRSLTE_MAX_PORTS][SRSLTE_MAX_PORTS];
plot_scatter_t pconst;
#define SCATTER_PDSCH_BUFFER_LEN (20*6*SRSLTE_SF_LEN_RE(SRSLTE_MAX_PRB, SRSLTE_CP_NORM))
#define SCATTER_PDSCH_PLOT_LEN 4000
@ -1443,22 +1443,33 @@ cf_t tmp_plot2[SRSLTE_SF_LEN_RE(SRSLTE_MAX_PRB, SRSLTE_CP_NORM)];
void *plot_thread_run(void *arg) {
srsue::phch_worker *worker = (srsue::phch_worker*) arg;
sdrgui_init();
plot_real_init(&pce);
plot_real_setTitle(&pce, (char*) "Channel Response - Magnitude");
plot_real_setLabels(&pce, (char*) "Index", (char*) "dB");
plot_real_setYAxisScale(&pce, -40, 40);
sdrgui_init();
for (uint32_t tx = 0; tx < worker->get_cell_nof_ports(); tx++) {
for (uint32_t rx = 0; rx < worker->get_rx_nof_antennas(); rx++) {
char str_buf[64];
snprintf(str_buf, 64, "|H%d%d|", rx, tx);
plot_real_init(&pce[tx][rx]);
plot_real_setTitle(&pce[tx][rx], str_buf);
plot_real_setLabels(&pce[tx][rx], (char *) "Index", (char *) "dB");
plot_real_setYAxisScale(&pce[tx][rx], -40, 40);
plot_real_addToWindowGrid(&pce[tx][rx], (char*)"srsue", tx, rx);
}
}
plot_scatter_init(&pconst);
plot_scatter_setTitle(&pconst, (char*) "PDSCH - Equalized Symbols");
plot_scatter_setXAxisScale(&pconst, -4, 4);
plot_scatter_setYAxisScale(&pconst, -4, 4);
plot_real_addToWindowGrid(&pce, (char*)"srsue", 0, 0);
plot_scatter_addToWindowGrid(&pconst, (char*)"srsue", 0, 1);
plot_scatter_addToWindowGrid(&pconst, (char*)"srsue", 0, worker->get_rx_nof_antennas());
int n;
int readed_pdsch_re=0;
while(1) {
@ -1468,10 +1479,14 @@ void *plot_thread_run(void *arg) {
n = worker->read_pdsch_d(&tmp_plot2[readed_pdsch_re]);
readed_pdsch_re += n;
} else {
n = worker->read_ce_abs(tmp_plot);
if (n>0) {
plot_real_setNewData(&pce, tmp_plot, n);
}
for (uint32_t tx = 0; tx < worker->get_cell_nof_ports(); tx++) {
for (uint32_t rx = 0; rx < worker->get_rx_nof_antennas(); rx++) {
n = worker->read_ce_abs(tmp_plot, tx, rx);
if (n > 0) {
plot_real_setNewData(&pce[tx][rx], tmp_plot, n);
}
}
}
if (readed_pdsch_re > 0) {
plot_scatter_setNewData(&pconst, tmp_plot2, readed_pdsch_re);
}