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srsLTE
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SRSENB: added PRACH worker plot

This commit is contained in:
Xavier Arteaga 2020-06-19 09:45:42 +02:00 committed by Xavier Arteaga
parent a1a58507c1
commit 55a208ede8
2 changed files with 31 additions and 0 deletions
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12
srsenb/hdr/phy/prach_worker.h
View File

@ -28,6 +28,13 @@
#include "srslte/common/threads.h"
#include "srslte/interfaces/enb_interfaces.h"
// Setting ENABLE_PRACH_GUI to non zero enables a GUI showing signal received in the PRACH window.
#define ENABLE_PRACH_GUI 0
#if defined(ENABLE_GUI) and ENABLE_PRACH_GUI
#include <srsgui/srsgui.h>
#endif // defined(ENABLE_GUI) and ENABLE_PRACH_GUI
namespace srsenb {
class prach_worker : srslte::thread
@ -55,6 +62,11 @@ private:
srslte_prach_cfg_t prach_cfg = {};
srslte_prach_t prach = {};
#if defined(ENABLE_GUI) and ENABLE_PRACH_GUI
plot_real_t plot_real;
std::array<float, 3 * SRSLTE_SF_LEN_MAX> plot_buffer;
#endif // defined(ENABLE_GUI) and ENABLE_PRACH_GUI
const static int sf_buffer_sz = 128 * 1024;
class sf_buffer
{

19
srsenb/src/phy/prach_worker.cc
View File

@ -54,6 +54,19 @@ int prach_worker::init(const srslte_cell_t& cell_,
initiated = true;
sf_cnt = 0;
#if defined(ENABLE_GUI) and ENABLE_PRACH_GUI
char title[32] = {};
snprintf(title, sizeof(title), "PRACH buffer %d", cc_idx);
sdrgui_init();
plot_real_init(&plot_real);
plot_real_setTitle(&plot_real, title);
plot_real_setXAxisAutoScale(&plot_real, true);
plot_real_setYAxisAutoScale(&plot_real, true);
plot_real_addToWindowGrid(&plot_real, (char*)"PRACH", 0, cc_idx);
#endif // defined(ENABLE_GUI) and ENABLE_PRACH_GUI
return 0;
}
@ -137,6 +150,12 @@ int prach_worker::run_tti(sf_buffer* b)
if (prach_offsets[i] * 1e6 < max_prach_offset_us) {
stack->rach_detected(b->tti, cc_idx, prach_indices[i], (uint32_t)(prach_offsets[i] * 1e6));
#if defined(ENABLE_GUI) and ENABLE_PRACH_GUI
uint32_t nof_samples = SRSLTE_MIN(nof_sf * SRSLTE_SF_LEN_PRB(cell.nof_prb), 3 * SRSLTE_SF_LEN_MAX);
srslte_vec_abs_cf(b->samples, plot_buffer.data(), nof_samples);
plot_real_setNewData(&plot_real, plot_buffer.data(), nof_samples);
#endif // defined(ENABLE_GUI) and ENABLE_PRACH_GUI
}
}
}