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refactor(oru): improve readability of TDD config and prefix selection in fft_and_cp_insertion

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Signed-off-by: Bartosz Podrygajlo <bartosz.podrygajlo@openairinterface.org>
This commit is contained in:
Bartosz Podrygajlo
2026-07-01 11:05:54 +02:00
parent bfeba0de48
commit 486f4423d9
1 changed files with 15 additions and 21 deletions
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36
executables/nr-oru.c
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@@ -326,25 +326,23 @@ void oru_init_frame_parms(ORU_t *oru)
for (int n = 0; n < numb_slots_frame; n++) {
int s = 0;
int p = n % numb_slots_period;
nfapi_nr_max_tdd_periodicity_t *periodicity = &ru->config.tdd_table.max_tdd_periodicity_list[n];
periodicity->max_num_of_symbol_per_slot_list =
malloc(sizeof(*periodicity->max_num_of_symbol_per_slot_list) * NR_SYMBOLS_PER_SLOT);
nfapi_nr_max_num_of_symbol_per_slot_t *symbol_list = periodicity->max_num_of_symbol_per_slot_list;
if (p < oru->num_DL_slots) {
ru->config.tdd_table.max_tdd_periodicity_list[n].max_num_of_symbol_per_slot_list =
malloc(sizeof(*ru->config.tdd_table.max_tdd_periodicity_list[n].max_num_of_symbol_per_slot_list) * NR_SYMBOLS_PER_SLOT);
for (s = 0; s < 14; s++)
ru->config.tdd_table.max_tdd_periodicity_list[n].max_num_of_symbol_per_slot_list[s].slot_config.value = 0;
symbol_list[s].slot_config.value = 0;
} else if (p == oru->num_DL_slots) {
ru->config.tdd_table.max_tdd_periodicity_list[n].max_num_of_symbol_per_slot_list =
malloc(sizeof(*ru->config.tdd_table.max_tdd_periodicity_list[n].max_num_of_symbol_per_slot_list) * NR_SYMBOLS_PER_SLOT);
for (s = 0; s < oru->num_DL_symbols; s++)
ru->config.tdd_table.max_tdd_periodicity_list[n].max_num_of_symbol_per_slot_list[s].slot_config.value = 0;
symbol_list[s].slot_config.value = 0;
for (; s < NR_SYMBOLS_PER_SLOT - oru->num_UL_symbols; s++)
ru->config.tdd_table.max_tdd_periodicity_list[n].max_num_of_symbol_per_slot_list[s].slot_config.value = 2;
symbol_list[s].slot_config.value = 2;
for (; s < NR_SYMBOLS_PER_SLOT; s++)
ru->config.tdd_table.max_tdd_periodicity_list[n].max_num_of_symbol_per_slot_list[s].slot_config.value = 1;
symbol_list[s].slot_config.value = 1;
} else {
ru->config.tdd_table.max_tdd_periodicity_list[n].max_num_of_symbol_per_slot_list =
malloc(sizeof(*ru->config.tdd_table.max_tdd_periodicity_list[n].max_num_of_symbol_per_slot_list) * NR_SYMBOLS_PER_SLOT);
for (s = 0; s < NR_SYMBOLS_PER_SLOT; s++)
ru->config.tdd_table.max_tdd_periodicity_list[n].max_num_of_symbol_per_slot_list[s].slot_config.value = 1;
symbol_list[s].slot_config.value = 1;
}
}
}
@@ -352,23 +350,19 @@ void oru_init_frame_parms(ORU_t *oru)
void fft_and_cp_insertion(NR_DL_FRAME_PARMS *fp, c16_t *txdataF, c16_t *txdata, int slot, int symbol)
{
if (fp->Ncp == 1) {
PHY_ofdm_mod((int *)txdataF, (int *)txdata, fp->ofdm_symbol_size, 1, fp->nb_prefix_samples, CYCLIC_PREFIX);
} else {
int nb_prefix_samples = fp->nb_prefix_samples;
if (fp->Ncp != 1) {
if (fp->numerology_index != 0) {
if (!(slot % (fp->slots_per_subframe / 2)) && (symbol == 0)) {
PHY_ofdm_mod((int *)txdataF, (int *)txdata, fp->ofdm_symbol_size, 1, fp->nb_prefix_samples0, CYCLIC_PREFIX);
} else {
PHY_ofdm_mod((int *)txdataF, (int *)txdata, fp->ofdm_symbol_size, 1, fp->nb_prefix_samples, CYCLIC_PREFIX);
nb_prefix_samples = fp->nb_prefix_samples0;
}
} else {
if (symbol % 0x7) {
PHY_ofdm_mod((int *)txdataF, (int *)txdata, fp->ofdm_symbol_size, 1, fp->nb_prefix_samples, CYCLIC_PREFIX);
} else {
PHY_ofdm_mod((int *)txdataF, (int *)txdata, fp->ofdm_symbol_size, 1, fp->nb_prefix_samples0, CYCLIC_PREFIX);
if (symbol % 0x7 == 0) {
nb_prefix_samples = fp->nb_prefix_samples0;
}
}
}
PHY_ofdm_mod((int *)txdataF, (int *)txdata, fp->ofdm_symbol_size, 1, nb_prefix_samples, CYCLIC_PREFIX);
}
static void dl_symbol_process(RU_t *ru, int frame, int slot, int symbol, c16_t **txDataF, int64_t timestamp)