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change returned value of UE_dl_preprocessing() in case no sampleShift change from 0 to INT_MAX

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This now allows to indicate "there was a new sampleShift calculation, and the actual value is 0"
additionally to "there was no new sampleShift calculation".
This commit is contained in:
Thomas Schlichter
2024-08-23 10:25:00 +02:00
parent cfb6ed4d82
commit 8ab7f1dd68
3 changed files with 4 additions and 7 deletions
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executables/nr-ue.c
+2 -5
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@@ -597,7 +597,7 @@ void processSlotTX(void *arg)
static int UE_dl_preprocessing(PHY_VARS_NR_UE *UE, const UE_nr_rxtx_proc_t *proc, int *tx_wait_for_dlsch, nr_phy_data_t *phy_data)
{
int sampleShift = 0;
int sampleShift = INT_MAX;
NR_DL_FRAME_PARMS *fp = &UE->frame_parms;
if (UE->sl_mode == 2)
fp = &UE->SL_UE_PHY_PARAMS.sl_frame_params;
@@ -991,10 +991,7 @@ void *UE_thread(void *arg)
nr_rxtx_thread_data_t *curMsgRx = (nr_rxtx_thread_data_t *)NotifiedFifoData(newRx);
*curMsgRx = (nr_rxtx_thread_data_t){.proc = curMsg.proc, .UE = UE};
int ret = UE_dl_preprocessing(UE, &curMsgRx->proc, tx_wait_for_dlsch, &curMsgRx->phy_data);
if (ret)
// if ret is 0, no rx_offset has been computed,
// or the computed value is 0 = no offset to do
// we store it to apply the drift compensation at beginning of next frame
if (ret != INT_MAX)
shiftForNextFrame = ret;
pushTpool(&(get_nrUE_params()->Tpool), newRx);