diff options
Diffstat (limited to 'data/mnet/GP10/Host/Rlc_mac/src/msgL1Decode.cpp')
| -rw-r--r-- | data/mnet/GP10/Host/Rlc_mac/src/msgL1Decode.cpp | 295 |
1 files changed, 295 insertions, 0 deletions
diff --git a/data/mnet/GP10/Host/Rlc_mac/src/msgL1Decode.cpp b/data/mnet/GP10/Host/Rlc_mac/src/msgL1Decode.cpp new file mode 100644 index 0000000..3c7b8af --- /dev/null +++ b/data/mnet/GP10/Host/Rlc_mac/src/msgL1Decode.cpp @@ -0,0 +1,295 @@ +/*******************************************************************************
+ (c) Copyright Cisco 2000
+ All Rights Reserved
+*******************************************************************************/
+
+/*******************************************************************************
+msgL1Decode
+
+This file contains the functins to deccode the messages received from Layer 1.
+There is one function per message type. The caller supplies the message in a
+byte array and receives the decoded message in a structure. The memory of the
+prepared structured is managed by the caller.
+*/
+
+#include "vxWorks.h"
+#include "string.h"
+#include "msgL1.h"
+
+#if _BYTE_ORDER == _BIG_ENDIAN
+#define BYTES_TO_WORD(b) *(int*)b
+#else
+#define BYTES_TO_WORD(b) LONGSWAP(*(int*)b)
+#endif
+
+/*******************************************************************************
+*/
+static void msgDecodeHeader
+(
+ char** ppMsgIn,
+ MsgHeader* header
+)
+{
+ header->function = *(*ppMsgIn)++;
+ header->type = (*(*ppMsgIn)++ << 8) | *(*ppMsgIn)++;
+ header->trx = *(*ppMsgIn)++;
+}
+
+/*******************************************************************************
+*/
+static void msgDecodeChannel
+(
+ char** ppMsgIn,
+ Channel* channel
+)
+{
+ channel->typeTs = *(*ppMsgIn)++;
+ channel->ccch = *(*ppMsgIn)++;
+}
+
+/*******************************************************************************
+*/
+static void msgDecodeFrameNum
+(
+ char** ppMsgIn,
+ FrameNum* frame
+)
+{
+ frame->t1 = (*(*ppMsgIn) >> 3) & 0x1F;
+ frame->t3 = ((*(*ppMsgIn)++ << 3) & 0x1C) | ((*(*ppMsgIn) >> 5) & 0x07);
+ frame->t2 = *(*ppMsgIn)++ & 0x1F;
+}
+
+/*******************************************************************************
+*/
+void msgDecodePrach
+(
+ char* msgIn,
+ MsgPrach* msgOut
+)
+{
+ msgDecodeHeader(&msgIn, &msgOut->header);
+ msgDecodeChannel(&msgIn, &msgOut->channel);
+ msgDecodeFrameNum(&msgIn, &msgOut->frameNum);
+ msgOut->packetAccessRef = (*msgIn++ << 8) | (*msgIn++ & 0x0F);
+ msgOut->ta = *msgIn++;
+ msgOut->power = *msgIn;
+}
+
+/*******************************************************************************
+*/
+void msgDecodePacch
+(
+ char* msgIn,
+ MsgPacchInd* msgOut
+)
+{
+ msgDecodeHeader(&msgIn, &msgOut->header);
+ msgDecodeChannel(&msgIn, &msgOut->channel);
+ msgOut->tbf = *msgIn++;
+ bcopy(msgIn, msgOut->data, MAX_RLC_CONTROL_MSG);
+}
+
+/*******************************************************************************
+*/
+void msgDecodePdtch
+(
+ char* msgIn,
+ MsgPdtchInd* msgOut,
+ int msgSize
+)
+{
+ msgDecodeHeader(&msgIn, &msgOut->header);
+ msgDecodeChannel(&msgIn, &msgOut->channel);
+ msgOut->codeRate = *msgIn++;
+ bcopy(msgIn, msgOut->data, msgSize - DSP_CHAN_IE_SIZE + DSP_MSG_HDR_SIZE -
+ DSP_CODE_RATE_SIZE);
+}
+
+/*******************************************************************************
+*/
+void msgDecodeUlPowerTiming
+(
+ char* msgIn,
+ MsgUlPowerTiming* msgOut
+)
+{
+ msgDecodeHeader(&msgIn, &msgOut->header);
+ msgDecodeChannel(&msgIn, &msgOut->channel);
+ msgOut->groupTfi = *msgIn;
+}
+
+/*******************************************************************************
+*/
+void msgDecodeUlTbfActivationAck
+(
+ char* msgIn,
+ MsgUlTbfActivationAck* msgOut
+)
+{
+ msgDecodeHeader(&msgIn, &msgOut->header);
+ msgOut->tlli = BYTES_TO_WORD(msgIn);
+}
+
+/*******************************************************************************
+*/
+static void msgDecodeCommon
+(
+ char* msgIn,
+ MsgCommon* msgOut
+)
+{
+ msgDecodeHeader(&msgIn, &msgOut->header);
+ msgOut->tlli = BYTES_TO_WORD(msgIn);
+}
+
+/*******************************************************************************
+*/
+void msgDecodeUlTbfDeactivationAck
+(
+ char* msgIn,
+ MsgUlTbfDeactivationAck* msgOut
+)
+{
+ msgDecodeCommon(msgIn, (MsgCommon *)msgOut);
+}
+
+/*******************************************************************************
+*/
+void msgDecodeDlTbfActivationAck
+(
+ char* msgIn,
+ MsgDlTbfActivationAck* msgOut
+)
+{
+ msgDecodeCommon(msgIn, (MsgCommon *)msgOut);
+}
+
+/*******************************************************************************
+*/
+void msgDecodeDlTbfDeactivationAck
+(
+ char* msgIn,
+ MsgDlTbfDeactivationAck* msgOut
+)
+{
+ msgDecodeCommon(msgIn, (MsgCommon *)msgOut);
+}
+
+/*******************************************************************************
+*/
+void msgDecodeUlTbfReconfigAck
+(
+ char* msgIn,
+ MsgUlTbfReconfigAck* msgOut
+)
+{
+ msgDecodeCommon(msgIn, (MsgCommon *)msgOut);
+}
+
+/*******************************************************************************
+*/
+void msgDecodeDlTbfReconfigAck
+(
+ char* msgIn,
+ MsgDlTbfReconfigAck* msgOut
+)
+{
+ msgDecodeCommon(msgIn, (MsgCommon *)msgOut);
+}
+
+/*******************************************************************************
+*/
+void msgDecodeReadyToSend
+(
+ char* msgIn,
+ MsgReadyToSend* msgOut
+)
+{
+ msgDecodeHeader(&msgIn, &msgOut->header);
+ msgDecodeChannel(&msgIn, &msgOut->channel);
+ msgOut->link = *msgIn++;
+ msgOut->numBuffs = *msgIn;
+}
+
+/*******************************************************************************
+*/
+void msgDecodePacchNack
+(
+ char* msgIn,
+ MsgPacchNack* msgOut
+)
+{
+ msgDecodeHeader(&msgIn, &msgOut->header);
+ msgDecodeChannel(&msgIn, &msgOut->channel);
+ msgOut->tbf = *msgIn;
+}
+
+
+/*******************************************************************************
+*/
+void msgDecodeSingleBlockAssignAlert
+(
+ char* msgIn,
+ MsgSingleBlockAssignAlert* msgOut
+)
+{
+ msgDecodeHeader(&msgIn, &msgOut->header);
+ msgOut->ts = *msgIn++;
+ msgOut->frameNum = BYTES_TO_WORD(msgIn);
+ msgIn += 4;
+ msgOut->ARFCN = 0;
+ msgOut->ARFCN |= (*msgIn++ << 8);
+ msgOut->ARFCN |= *msgIn;
+}
+
+
+/*******************************************************************************
+*/
+void msgDecodeDLAssignAlert
+(
+ char* msgIn,
+ MsgDLAssignAlert* msgOut
+)
+{
+ msgDecodeHeader(&msgIn, &msgOut->header);
+ msgOut->ts = *msgIn++;
+ msgOut->frameNum = BYTES_TO_WORD(msgIn);
+ msgIn += 4;
+ msgOut->ARFCN = 0;
+ msgOut->ARFCN |= (*msgIn++ << 8);
+ msgOut->ARFCN |= *msgIn++;
+ msgOut->tag = *msgIn;
+}
+
+
+/*******************************************************************************
+*/
+void msgDecodePacchAbInd
+(
+ char* msgIn,
+ MsgPacchAbInd* msgOut
+)
+{
+ msgDecodeHeader(&msgIn, &msgOut->header);
+ msgDecodeChannel(&msgIn, &msgOut->channel);
+ msgOut->tag = *msgIn++;
+ msgOut->data[0] = *msgIn++;
+ msgOut->data[1] = *msgIn++ << 5;
+ msgOut->ta = *msgIn;
+}
+
+
+/*******************************************************************************
+*/
+void msgDecodeCodeRateReq
+(
+ char* msgIn,
+ MsgCodeRateReq* msgOut
+)
+{
+ msgDecodeHeader(&msgIn, &msgOut->header);
+ msgOut->tbfType = *msgIn++;
+ msgOut->groupTfi = *msgIn++;
+ msgOut->codeRate = *msgIn;
+}
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