From 54c20aa46ee7f9fb543b2d23a378eef795db9504 Mon Sep 17 00:00:00 2001
From: Gatsby Van <mail.gatsby.icu>
Date: Sun, 24 Dec 2023 13:07:30 +0800
Subject: [PATCH] add method peek data.

---
 datalink814_ge/src/phy_ctrl/phy_ctrl.c | 32 ++++++++++++++++++++++----
 datalink814_ge/src/phy_ctrl/phy_ctrl.h |  1 +
 2 files changed, 29 insertions(+), 4 deletions(-)

diff --git a/datalink814_ge/src/phy_ctrl/phy_ctrl.c b/datalink814_ge/src/phy_ctrl/phy_ctrl.c
index 6c440f9..5a43dc0 100644
--- a/datalink814_ge/src/phy_ctrl/phy_ctrl.c
+++ b/datalink814_ge/src/phy_ctrl/phy_ctrl.c
@@ -786,17 +786,20 @@ void Phy_GetLastSlotStartTimeStamp(PHY_INST* instPtr, TIME_WORD* slotStart) {
 
 /*****************************************************************************/
 /**
- * @brief   Get received data (base on PL Record), store it to data buffer.
+ * @brief   Copy ans store the received data, if received data valid.
  *
  * @param   instPtr  a pointer to physical layer control instance.
  *
- * @return  SUCCESS
- * 			FAILURE	last frame type cannot be recognized.
+ * @return  NONE
  *
  ******************************************************************************/
-void Phy_RetrieveRecvData(PHY_INST* instPtr, uint8_t* dataBuff) {
+void Phy_PeekRecvData(PHY_INST* instPtr, uint8_t* dataBuff) {
 	ASSERT(instPtr != NULL);
 	ASSERT(dataBuff != NULL);
+	if (instPtr->isValid == false)
+	{
+		return;
+	}
 	uint32_t frameLen, offset;
 
 	frameLen = (PhyRead(instPtr, RECVDATA_STATE) & RECVDATA_STATE_LEN_MASK) >> RECVDATA_STATE_LEN_SHIFT;
@@ -804,3 +807,24 @@ void Phy_RetrieveRecvData(PHY_INST* instPtr, uint8_t* dataBuff) {
 	
 	memcpy(dataBuff, (uint8_t*)(instPtr->recvDataAddr + offset), frameLen);
 }
+
+/*****************************************************************************/
+/**
+ * @brief   Get the received data (if valid), store it to data buffer.
+ * 			and clear data valid flag.
+ *
+ * @param   instPtr  a pointer to physical layer control instance.
+ *
+ * @return  NONE
+ *
+ ******************************************************************************/
+void Phy_RetrieveRecvData(PHY_INST* instPtr, uint8_t* dataBuff) {
+	ASSERT(instPtr != NULL);
+	ASSERT(dataBuff != NULL);
+	if (instPtr->isValid == false)
+	{
+		return;
+	}
+	Phy_RetrievePeekData(instPtr, dataBuff);
+	instPtr->isValid = false;
+}
diff --git a/datalink814_ge/src/phy_ctrl/phy_ctrl.h b/datalink814_ge/src/phy_ctrl/phy_ctrl.h
index 74d9d3c..cb8fbb2 100644
--- a/datalink814_ge/src/phy_ctrl/phy_ctrl.h
+++ b/datalink814_ge/src/phy_ctrl/phy_ctrl.h
@@ -242,6 +242,7 @@ void Phy_Halt(PHY_INST* instPtr);
 int32_t Phy_SetMode(PHY_INST* instPtr, PHY_MODE modeCod);
 
 int32_t Phy_SetupNextSlot(PHY_INST* instPtr, PHY_TOR_TYPE txrxMode, L1_FRAME_TYPE frameType, uint8_t* dataBuff);
+void Phy_PeekRecvData(PHY_INST* instPtr, uint8_t* dataBuff);
 void Phy_RetrieveRecvData(PHY_INST* instPtr, uint8_t* dataBuff);
 
 bool Phy_IsFrameDetected(PHY_INST* instPtr);