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FHI72: handle FDD in xran_fh_rx_read_slot()

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This commit is contained in:
Robert Schmidt
2025-01-23 18:16:28 +01:00
parent f1076605f2
commit 61b8217a15
1 changed files with 20 additions and 7 deletions
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radio/fhi_72/oaioran.c
+20 -7
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@@ -263,6 +263,22 @@ int read_prach_data(ru_info_t *ru, int frame, int slot)
return (0);
}
static bool is_tdd_ul_symbol(const struct xran_frame_config *frame_conf, int slot, int sym_idx)
{
/* in FDD, every symbol is also UL */
if (frame_conf->nFrameDuplexType == XRAN_FDD)
return true;
int tdd_period = frame_conf->nTddPeriod;
int slot_in_period = slot % tdd_period;
/* check if symbol is UL */
return frame_conf->sSlotConfig[slot_in_period].nSymbolType[sym_idx] == 1 /* UL */;
}
static bool is_tdd_dl_guard_slot(const struct xran_frame_config *frame_conf, int slot)
{
return !is_tdd_ul_symbol(frame_conf, slot, XRAN_NUM_OF_SYMBOL_PER_SLOT - 1);
}
int xran_fh_rx_read_slot(ru_info_t *ru, int *frame, int *slot)
{
void *ptr = NULL;
@@ -328,18 +344,15 @@ int xran_fh_rx_read_slot(ru_info_t *ru, int *frame, int *slot)
rx_data = (uint8_t *)ru->rxdataF[ant_id];
start_ptr = rx_data + (slot_size * slot_offset_rxdata);
xran_ctx = xran_dev_get_ctx_by_id(ant_id / nb_rx_per_ru);
const struct xran_fh_config *fh_config = &xran_ctx->fh_cfg;
int tdd_period = fh_config->frame_conf.nTddPeriod;
int slot_in_period = *slot % tdd_period;
if (fh_config->frame_conf.sSlotConfig[slot_in_period].nSymbolType[XRAN_NUM_OF_SYMBOL_PER_SLOT - 1] == 0)
const struct xran_frame_config *frame_conf = &xran_ctx->fh_cfg.frame_conf;
// skip processing this slot is TX (no RX in this slot)
if (is_tdd_dl_guard_slot(frame_conf, *slot))
continue;
// skip processing this slot if the last symbol in the slot is TX
// (no RX in this slot)
// This loop would better be more inner to avoid confusion and maybe also errors.
for (int32_t sym_idx = 0; sym_idx < XRAN_NUM_OF_SYMBOL_PER_SLOT; sym_idx++) {
/* the callback is for mixed and UL slots. In mixed, we have to
* skip DL and guard symbols. */
if (fh_config->frame_conf.sSlotConfig[slot_in_period].nSymbolType[sym_idx] != 1 /* UL */)
if (!is_tdd_ul_symbol(frame_conf, *slot, sym_idx))
continue;
uint8_t *pData;