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@@ -40,6 +40,7 @@ static void L2_SetSlotNum(L2_INST *instPtr, uint32_t newSlotNum);
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static void L2_SetFrameNum(L2_INST *instPtr, uint32_t newFrameNum);
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static void L2_UpdateSlotNum(L2_INST *instPtr);
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static void L2_DataAvailUpdate(L2_INST *instPtr, bool status);
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static L2_FRAME_TYPE L2_GetReceiveFrameType(L2_INST *instPtr);
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/**
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* @brief helper function to update linkelayer state
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@@ -296,6 +297,34 @@ inline void L2_RcdShift(L2_RCD *rcd, int32_t netxVal)
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rcd->next = netxVal;
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}
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/*****************************************************************************/
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/**
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* @brief Infer last received frame type.
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*
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* @param instPtr A pointer to physical layer control instance.
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*
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* @return L2_FRAME_TYPE.
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*
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******************************************************************************/
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static L2_FRAME_TYPE L2_GetReceiveFrameType(L2_INST *instPtr)
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{
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if (instPtr->myInfo.nodeType == L2_NODE_HEAD || L2_isCxn2Net(instPtr))
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{
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return instPtr->frame.curr;
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}
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switch (instPtr->scanNetFSM->scanStage)
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{
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case L2_SCAN_INIT_STAGE:
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case L2_SCAN_BMADVT_STAGE:
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return L2_INTRA_BM_FRAME;
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case L2_SCANT_2WAYACQ_STAGE:
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return L2_INTRA_W2_ACQ_FRAME;
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default:
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return L2_NONE_FRAME;
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}
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}
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/*****************************************************************************/
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/**
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* @brief Update L2 frame state, check if there is any valid L2 frame data in
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@@ -322,7 +351,7 @@ void L2_FrameStateUpdate(L2_INST *instPtr)
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Phy_RetrieveRecvData(phyRef, instPtr->recvPktData);
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instPtr->log.frameRecv++;
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switch (instPtr->frame.last)
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switch (L2_GetReceiveFrameType(instPtr))
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{
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case L2_INTRA_SCAN_FRAME:
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// INTRA_BM_FRAME could be received if current frame type is INTRA_BM_FRAME
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@@ -583,7 +612,7 @@ uint32_t L2_GetFrameLen(L2_FRAME_TYPE l2FrameType)
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* @return L1 frame type.
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*
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******************************************************************************/
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#ifndef TEST_200KBPS
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#ifdef TEST_200KBPS
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L1_FRAME_TYPE L2_L2frame2L1frame(L2_FRAME_TYPE l2Frame)
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{
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switch (l2Frame)
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@@ -651,12 +680,14 @@ L1_FRAME_TYPE L2_L2frame2L1frame(L2_FRAME_TYPE l2Frame)
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}
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}
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#endif
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/*****************************************************************************/
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/**
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* @brief Initialize link layer fsm instance, allocate memory to storage fsm
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* data. Apply the default values to fsm.
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*
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* @param instPtr a pointer to physical layer controller instance
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* @param config a pointer to configurations
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*
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* @return SUCCESS
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* Other error code.
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@@ -821,6 +852,18 @@ error:
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return Status;
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}
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/*****************************************************************************/
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/**
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* @brief Reconfigure link layer instance, reset all segment and reconfigure
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* accordingly.
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*
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* @param instPtr a pointer to physical layer controller instance
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* @param config a pointer to configurations
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*
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* @return SUCCESS
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* Other error code.
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*
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******************************************************************************/
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int32_t Linklayer_Reconfig(L2_INST *instPtr, const L2_CONFIG *config)
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{
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ASSERT(instPtr != NULL);
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@@ -888,6 +931,15 @@ int32_t Linklayer_Reconfig(L2_INST *instPtr, const L2_CONFIG *config)
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return SUCCESS;
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}
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/*****************************************************************************/
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/**
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* @brief Completely destroy link layer instance, free all allocated memory.
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*
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* @param instPtr a pointer to physical layer controller instance
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*
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* @return NONE
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*
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******************************************************************************/
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void Linklayer_Destroy(L2_INST *instPtr)
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{
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ASSERT(instPtr != NULL);
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@@ -907,6 +959,15 @@ void Linklayer_Destroy(L2_INST *instPtr)
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free(instPtr);
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}
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/*****************************************************************************/
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/**
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* @brief Start link layer processing.
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*
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* @param instPtr a pointer to physical layer controller instance
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*
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* @return NONE
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*
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******************************************************************************/
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int32_t Linklayer_Start(L2_INST *instPtr)
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{
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ASSERT(instPtr != NULL);
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@@ -915,6 +976,15 @@ int32_t Linklayer_Start(L2_INST *instPtr)
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return SUCCESS;
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}
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/*****************************************************************************/
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/**
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* @brief Halt link layer.
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*
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* @param instPtr a pointer to physical layer controller instance
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*
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* @return NONE
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*
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******************************************************************************/
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int32_t Linklayer_Halt(L2_INST *instPtr)
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{
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ASSERT(instPtr != NULL);
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