public static TSBKMessage getMessage(int system, RadioLog.Common.SafeBitArray buffer) { int opcode = buffer.getInt(TSBKMessage.OPCODE); int vendor = buffer.getInt(TSBKMessage.VENDOR_ID); switch (vendor) { case 0: //STANDARD { return(new TSBKMessage(system, buffer)); } case 144: //MOTOROLA { return(new TSBKMessage(system, buffer)); } default: { return(new TSBKMessage(system, buffer)); } } }
private void checkComplete() { if (mDUID.Equals(Decoders.P25.Reference.DataUnitID.NID)) { int value = mMessage.getInt(Decoders.P25.Message.P25Message.DUID); Decoders.P25.Reference.DataUnitID duid = Decoders.P25.Reference.DataUnitID.fromValue(value); if (duid != Decoders.P25.Reference.DataUnitID.UNKN) { setDUID(duid); } else { mComplete = true; } } else if (mDUID.Equals(Decoders.P25.Reference.DataUnitID.HDU) || mDUID.Equals(Decoders.P25.Reference.DataUnitID.LDU1) || mDUID.Equals(Decoders.P25.Reference.DataUnitID.LDU2) || mDUID.Equals(Decoders.P25.Reference.DataUnitID.PDU2) || mDUID.Equals(Decoders.P25.Reference.DataUnitID.PDU3) || mDUID.Equals(Decoders.P25.Reference.DataUnitID.TDU) || mDUID.Equals(Decoders.P25.Reference.DataUnitID.TDULC) || mDUID.Equals(Decoders.P25.Reference.DataUnitID.UNKN)) { mComplete = true; mFramer.dispatch(new Decoders.P25.Message.P25Message(mMessage.Clone(), mDUID)); } else if (mDUID.Equals(Decoders.P25.Reference.DataUnitID.PDU1)) { int blocks = mMessage.getInt(Decoders.P25.Message.PDUMessage.PDU_HEADER_BLOCKS_TO_FOLLOW); int padBlocks = mMessage.getInt(Decoders.P25.Message.PDUMessage.PDU_HEADER_PAD_BLOCKS); int blockCount = blocks + padBlocks; if (blockCount == 24 || blockCount == 32) { setDUID(Decoders.P25.Reference.DataUnitID.PDU2); } else if (blockCount == 36 || blockCount == 48) { setDUID(Decoders.P25.Reference.DataUnitID.PDU3); } else { mFramer.dispatch(new Decoders.P25.Message.PDUMessage(mMessage.Clone(), mDUID)); mComplete = true; } } else if (mDUID.Equals(Decoders.P25.Reference.DataUnitID.TSBK1)) { /* Remove interleaving */ Decoders.P25.P25Interleave.deinterleave(mMessage, TSBK_BEGIN, TSBK_END); /* Remove trellis encoding */ mFramer.mHalfRate.decode(mMessage, TSBK_BEGIN, TSBK_END); /* Construct the message */ int tsbkSystem1 = mMessage.getInt(Decoders.P25.Message.P25Message.NAC); RadioLog.Common.SafeBitArray tsbkBuffer1 = new RadioLog.Common.SafeBitArray(mMessage.CloneFromIndexToIndex(TSBK_BEGIN, TSBK_DECODED_END), 96); Decoders.P25.Message.TSBKMessage tsbkMessage1 = Decoders.P25.Message.TSBKMessageFactory.getMessage(tsbkSystem1, tsbkBuffer1); if (tsbkMessage1.isLastBlock()) { mComplete = true; } else { setDUID(Decoders.P25.Reference.DataUnitID.TSBK2); mMessage.SetPointer(TSBK_BEGIN); } mFramer.dispatch(tsbkMessage1); } else if (mDUID.Equals(Decoders.P25.Reference.DataUnitID.TSBK2)) { /* Remove interleaving */ Decoders.P25.P25Interleave.deinterleave(mMessage, TSBK_BEGIN, TSBK_END); /* Remove trellis encoding */ mFramer.mHalfRate.decode(mMessage, TSBK_BEGIN, TSBK_END); /* Construct the message */ int tsbkSystem2 = mMessage.getInt(Decoders.P25.Message.P25Message.NAC); RadioLog.Common.SafeBitArray tsbkBuffer2 = new RadioLog.Common.SafeBitArray(mMessage.CloneFromIndexToIndex(TSBK_BEGIN, TSBK_DECODED_END), 98); Decoders.P25.Message.TSBKMessage tsbkMessage2 = Decoders.P25.Message.TSBKMessageFactory.getMessage(tsbkSystem2, tsbkBuffer2); if (tsbkMessage2.isLastBlock()) { mComplete = true; } else { setDUID(Decoders.P25.Reference.DataUnitID.TSBK3); mMessage.SetPointer(TSBK_BEGIN); } mFramer.dispatch(tsbkMessage2); } else if (mDUID.Equals(Decoders.P25.Reference.DataUnitID.TSBK3)) { /* Remove interleaving */ Decoders.P25.P25Interleave.deinterleave(mMessage, TSBK_BEGIN, TSBK_END); /* Remove trellis encoding */ mFramer.mHalfRate.decode(mMessage, TSBK_BEGIN, TSBK_END); /* Construct the message */ int tsbkSystem3 = mMessage.getInt(Decoders.P25.Message.P25Message.NAC); RadioLog.Common.SafeBitArray tsbkBuffer3 = new RadioLog.Common.SafeBitArray(mMessage.CloneFromIndexToIndex(TSBK_BEGIN, TSBK_DECODED_END), 96); Decoders.P25.Message.TSBKMessage tsbkMessage3 = Decoders.P25.Message.TSBKMessageFactory.getMessage(tsbkSystem3, tsbkBuffer3); mComplete = true; mFramer.dispatch(tsbkMessage3); } else { mComplete = true; } }