add utility functions and update comment.

datalink814_ge/src/linklayer/linklayer814.c

@@ -87,7 +87,42 @@ static inline void L2_DataAvailUpdate(L2_INST* instPtr, bool status) {
 	instPtr->dataAvail = status;
 }
 
-L2_NODE_STATE L2_GetMainState(L2_INST* instPtr){
+/**
+ * @brief   Get the current node ID.
+ */
+inline uint8_t L2_GetNodeId(L2_INST* instPtr){
+	ASSERT(instPtr != NULL);
+	return instPtr->myInfo.nodeId;
+}
+
+/**
+ * @brief   Get the current cluster ID.
+ */
+inline uint8_t L2_GetClusterId(L2_INST* instPtr){
+	ASSERT(instPtr != NULL);
+	return instPtr->myInfo.clustId;
+}
+
+/**
+ * @brief   Get the head node ID.
+ */
+uint8_t L2_GetHeadId(L2_INST* instPtr){
+	ASSERT(instPtr != NULL);
+	return instPtr->myInfo.headId;
+}
+
+/**
+ * @brief   Get the current node type.
+ */
+inline L2_NODE_TYPE L2_GetNodeType(L2_INST* instPtr){
+	ASSERT(instPtr != NULL);
+	return instPtr->myInfo.nodeType;
+}
+
+/**
+ * @brief   Get the current linklayer state.
+ */
+inline L2_NODE_STATE L2_GetMainState(L2_INST* instPtr){
 	ASSERT(instPtr != NULL);
 	return instPtr->mainState;
 }
@@ -124,6 +159,22 @@ inline uint32_t L2_GetLastSlotNum(L2_INST* instPtr) {
 	return instPtr->slotNum.last;
 }
 
+/**
+ * @brief   Get the frame type of last slot.
+ */
+inline L2_FRAME_TYPE L2_GetLastFrameType(L2_INST* instPtr) {
+	ASSERT(instPtr != NULL);
+	return instPtr->frame.last;
+}
+
+/**
+ * @brief    Get the tx/rx state of last slot.
+ */
+inline L2_TOR_TYPE L2_GetLastTor(L2_INST* instPtr) {
+	ASSERT(instPtr != NULL);
+	return instPtr->tor.last;
+}
+
 /**
  * @brief   Get current frame number.
  */
@@ -140,6 +191,22 @@ inline uint32_t L2_GetCurrentSlotNum(L2_INST* instPtr) {
 	return instPtr->slotNum.curr;
 }
 
+/**
+ * @brief    Get the frame type of current slot.
+ */
+inline L2_FRAME_TYPE L2_GetCurrentFrameType(L2_INST* instPtr) {
+	ASSERT(instPtr != NULL);
+	return instPtr->frame.curr;
+}
+
+/**
+ * @brief    Get the tx/rx state of current slot.
+ */
+inline L2_TOR_TYPE L2_GetCurrentTor(L2_INST* instPtr) {
+	ASSERT(instPtr != NULL);
+	return instPtr->tor.curr;
+}
+
 /**
  * @brief   Get next frame number.
  */
@@ -155,11 +222,31 @@ inline uint32_t L2_GetNextSlotNum(L2_INST* instPtr) {
 	return instPtr->slotNum.next;
 }
 
+/**
+ * @brief    Get the frame type of next slot.
+ */
+inline L2_FRAME_TYPE L2_GetNextFrameType(L2_INST* instPtr) {
+	ASSERT(instPtr != NULL);
+	return instPtr->frame.next;
+}
+
+/**
+ * @brief    Get the tx/rx state of next slot.
+ */
+inline L2_TOR_TYPE L2_GetNextTor(L2_INST* instPtr) {
+	ASSERT(instPtr != NULL);
+	return instPtr->tor.next;
+}
+
 // TODO: Multi-node RTT
-inline L2_RTT_FSM* L2_GetRttDesc(L2_INST* instPtr){
+/**
+ * @brief    Get the RTT FSM.
+ */
+inline L2_RTT_FSM* L2_GetRttFsm(L2_INST* instPtr){
 	ASSERT(instPtr != NULL);
 	return instPtr->rttFSM;
 }
+
 /*****************************************************************************/
 /**
  * @brief   Creat a new schedule envent, register event in schedule event pool.