diff --git a/datalink814_ge/src/phy_ctrl/phy_ctrl.c b/datalink814_ge/src/phy_ctrl/phy_ctrl.c
index 5fed772..8909c59 100644
--- a/datalink814_ge/src/phy_ctrl/phy_ctrl.c
+++ b/datalink814_ge/src/phy_ctrl/phy_ctrl.c
@@ -556,12 +556,7 @@ int32_t Phy_SetupNextSlot(PHY_INST *instPtr, PHY_TOR_TYPE txrxMode,
 	default:
 		return EPARAM;
 	}
-	if (instPtr->isPresetHop == false)
-	{
-		hopPattern = hopPattern_Config;
-	}
-	else
-	{
+	
 	switch (frameType)
 	{
 	case L1_2KBPS_20MS_FRAME:
@@ -608,6 +603,9 @@ int32_t Phy_SetupNextSlot(PHY_INST *instPtr, PHY_TOR_TYPE txrxMode,
 		return EPARAM;
 		break;
 	}
+	if (instPtr->isPresetHop == false)
+	{
+		hopPattern = hopPattern_Config;
 	}
 
 	PhyWrite(instPtr, PHY_MODE_CTRL, phyModeCtrl | PHY_MODE_CTRL_CRC_EN);
@@ -767,6 +765,21 @@ double Phy_GetCoarseFreqEst(PHY_INST *instPtr)
 	return freqEst;
 }
 
+/*****************************************************************************/
+/**
+ * @brief   Get fine frequency estimation of last valid frame.
+ *
+ * @param   instPtr  a pointer to physical instance
+ *
+ * @return  frequency estimation
+ *
+ ******************************************************************************/
+double Phy_GetFineFreqEst(PHY_INST *instPtr)
+{
+	// TODO:
+	return 0.0;
+}
+
 /*****************************************************************************/
 /**
  * @brief   Setup a frequency hopping pattern.