JIRA ID:[ODUHIGH-301]:implement Mu 1 for SSB

[o-du/l2.git] / src / 5gnrsch / sch.c

diff --git a/src/5gnrsch/sch.c b/src/5gnrsch/sch.c
index 16495af..afbcb18 100644 (file)
--- a/src/5gnrsch/sch.c
+++ b/src/5gnrsch/sch.c
@@ -407,9 +407,7 @@ uint16_t schGetPeriodicityInMsec(DlUlTxPeriodicity tddPeriod)
  *           
  *  @param[in]  schCellCb *cell
  *  @param[in]  SchCellCfg *schCellCfg
- *  @return  int
- *      -# ROK 
- *      -# RFAILED 
+ *  @return  void
  **/
 void schInitTddSlotCfg(SchCellCb *cell, SchCellCfg *schCellCfg)
 {
@@ -418,7 +416,6 @@ void schInitTddSlotCfg(SchCellCb *cell, SchCellCfg *schCellCfg)
    int8_t slotIdx, symbIdx;
 
    periodicityInMicroSec = schGetPeriodicityInMsec(schCellCfg->tddCfg.tddPeriod);
-   schCellCfg->numerology = 1; //TODO: Remove this
    cell->numSlotsInPeriodicity = (periodicityInMicroSec * pow(2, schCellCfg->numerology))/1000;
 cell->slotFrmtBitMap = 0;
    cell->symbFrmtBitMap = 0;
@@ -514,6 +511,69 @@ cell->slotFrmtBitMap = 0;
 }
 #endif
 
+/**
+ * @brief Fill SSB start symbol
+ *
+ * @details
+ *
+ *     Function : fillSsbStartSymb 
+ *      
+ *      This API stores SSB start index per beam
+ *           
+ *  @param[in]  SchCellCb     *cellCb
+ *  @return  int
+ *      -# ROK 
+ *      -# RFAILED 
+ **/
+void fillSsbStartSymb(SchCellCb *cellCb)
+{
+   uint8_t cnt, scs, symbIdx, ssbStartSymbArr[SCH_MAX_SSB_BEAM];
+
+   scs = cellCb->cellCfg.ssbSchCfg.scsCommon;
+
+   memset(ssbStartSymbArr, 0, sizeof(SCH_MAX_SSB_BEAM));
+   symbIdx = 0;
+   /* Determine value of "n" based on Section 4.1 of 3GPP TS 38.213 */
+   switch(scs)
+   {
+      case SCS_15KHZ:
+        {
+            if(cellCb->cellCfg.dlFreq <= 300000)
+              cnt = 2;/* n = 0, 1 */
+            else
+               cnt = 4; /* n = 0, 1, 2, 3 */
+           for(uint8_t idx=0; idx<cnt; idx++)
+           {
+              /* start symbol determined using {2, 8} + 14n */
+              ssbStartSymbArr[symbIdx++] = 2 + SCH_SYMBOL_PER_SLOT*idx;
+              ssbStartSymbArr[symbIdx++] = 8 + SCH_SYMBOL_PER_SLOT*idx;
+           }
+        }
+        break;
+      case SCS_30KHZ:
+        {
+            if(cellCb->cellCfg.dlFreq <= 300000)
+              cnt = 1;/* n = 0 */
+            else
+               cnt = 2; /* n = 0, 1 */
+           for(uint8_t idx=0; idx<cnt; idx++)
+           {
+              /* start symbol determined using {4, 8, 16, 20} + 28n */
+              ssbStartSymbArr[symbIdx++] = 4 + SCH_SYMBOL_PER_SLOT*idx;
+              ssbStartSymbArr[symbIdx++] = 8 + SCH_SYMBOL_PER_SLOT*idx;
+              ssbStartSymbArr[symbIdx++] = 16 + SCH_SYMBOL_PER_SLOT*idx;
+              ssbStartSymbArr[symbIdx++] = 20 + SCH_SYMBOL_PER_SLOT*idx;
+            }
+        }
+        break;
+      default:
+        DU_LOG("\nERROR  -->  SCH : SCS %d is currently not supported", scs);
+   }
+   memset(cellCb->ssbStartSymbArr, 0, sizeof(SCH_MAX_SSB_BEAM));
+   memcpy(cellCb->ssbStartSymbArr, ssbStartSymbArr, SCH_MAX_SSB_BEAM);
+
+}
+
 
 /**
  * @brief init cellCb based on cellCfg
@@ -618,6 +678,7 @@ uint8_t schInitCellCb(Inst inst, SchCellCfg *schCellCfg)
       cell->schUlSlotInfo[idx] = schUlSlotInfo;
 
    }
+   fillSsbStartSymb(cell);
    schCb[inst].cells[inst] = cell;
 
    DU_LOG("\nINFO  -->  SCH : Cell init completed for cellId:%d", cell->cellId);
@@ -785,51 +846,6 @@ void fillSchSib1Cfg(uint8_t bandwidth, uint8_t numSlots, SchSib1Cfg *sib1SchCfg,
 
 }
 
-/**
- * @brief Fill SSB start symbol
- *
- * @details
- *
- *     Function : fillSsbStartSymb 
- *      
- *      This API stores SSB start index per beam
- *           
- *  @param[in]  SchCellCb     *cellCb
- *  @return  int
- *      -# ROK 
- *      -# RFAILED 
- **/
-void fillSsbStartSymb(SchCellCb *cellCb)
-{
-   uint8_t cnt, scs;
-
-   scs = cellCb->cellCfg.ssbSchCfg.scsCommon;
-   uint8_t ssbStartSymbArr[SCH_MAX_SSB_BEAM];
-
-   memset(ssbStartSymbArr, 0, sizeof(SCH_MAX_SSB_BEAM));
-   /* Determine value of "n" based on Section 4.1 of 3GPP TS 38.213 */
-   switch(scs)
-   {
-      case SCH_SCS_15KHZ:
-        {
-           uint8_t symbIdx=0;
-           cnt = 2;/* n = 0, 1 for SCS = 15KHz */
-           for(uint8_t idx=0; idx<cnt; idx++)
-           {
-              /* start symbol determined using {2, 8} + 14n */
-              ssbStartSymbArr[symbIdx++]       = 2 + SCH_SYMBOL_PER_SLOT*idx;
-              ssbStartSymbArr[symbIdx++]       = 8 + SCH_SYMBOL_PER_SLOT*idx;
-           }
-        }
-        break;
-      default:
-        DU_LOG("\nERROR  -->  SCH : SCS %d is currently not supported", scs);
-   }
-   memset(cellCb->ssbStartSymbArr, 0, sizeof(SCH_MAX_SSB_BEAM));
-   memcpy(cellCb->ssbStartSymbArr, ssbStartSymbArr, SCH_MAX_SSB_BEAM);
-
-}
-
 /**
  * @brief cell config from MAC to SCH.
  *