| 1 | /**************************************************************************** |
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| 2 | |
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| 3 | Copyright 2006 Virginia Polytechnic Institute and State University |
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| 4 | |
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| 5 | This file is part of the OSSIE Depacketizer. |
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| 6 | |
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| 7 | OSSIE Depacketizer is free software; you can redistribute it and/or modify |
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| 8 | it under the terms of the GNU General Public License as published by |
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| 9 | the Free Software Foundation; either version 2 of the License, or |
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| 10 | (at your option) any later version. |
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| 11 | |
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| 12 | OSSIE Depacketizer is distributed in the hope that it will be useful, |
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| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 15 | GNU General Public License for more details. |
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| 16 | |
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| 17 | You should have received a copy of the GNU General Public License |
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| 18 | along with OSSIE Depacketizer; if not, write to the Free Software |
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| 19 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 20 | |
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| 21 | ****************************************************************************/ |
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| 22 | |
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| 23 | |
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| 24 | #ifndef DEPACKETIZER_IMPL_H |
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| 25 | #define DEPACKETIZER_IMPL_H |
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| 26 | |
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| 27 | #include <stdlib.h> |
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| 28 | #include "ossie/cf.h" |
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| 29 | #include "ossie/debug.h" |
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| 30 | #include "ossie/Resource_impl.h" |
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| 31 | |
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| 32 | #include "ossie/PortTypes.h" |
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| 33 | #include "standardinterfaces/realChar_u.h" |
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| 34 | #include "standardinterfaces/realChar_p.h" |
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| 35 | |
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| 36 | #include "PacketizerDSP.h" |
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| 37 | |
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| 38 | class Depacketizer_i : public virtual Resource_impl, public PacketizerDSP |
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| 39 | { |
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| 40 | public: |
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| 41 | Depacketizer_i(const char *uuid, omni_condition *sem); |
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| 42 | ~Depacketizer_i(void); |
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| 43 | |
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| 44 | void start() throw (CF::Resource::StartError, CORBA::SystemException); |
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| 45 | void stop() throw (CF::Resource::StopError, CORBA::SystemException); |
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| 46 | void static run( void * data ); |
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| 47 | |
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| 48 | CORBA::Object_ptr getPort( const char* portName ) throw (CF::PortSupplier::UnknownPort, CORBA::SystemException); |
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| 49 | |
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| 50 | void releaseObject() throw (CF::LifeCycle::ReleaseError, CORBA::SystemException); |
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| 51 | |
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| 52 | void initialize() throw (CF::LifeCycle::InitializeError, CORBA::SystemException); |
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| 53 | void configure(const CF::Properties&) throw (CORBA::SystemException, CF::PropertySet::InvalidConfiguration, CF::PropertySet::PartialConfiguration); |
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| 54 | |
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| 55 | |
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| 56 | private: |
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| 57 | Depacketizer_i(); |
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| 58 | Depacketizer_i(Depacketizer_i&); |
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| 59 | |
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| 60 | void run_loop(); |
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| 61 | |
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| 62 | omni_condition *component_running; // for component shutdown |
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| 63 | omni_thread *processing_thread; // for component writer function |
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| 64 | omni_mutex accessPrivateData; // for asynchronous configure() invocation |
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| 65 | |
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| 66 | CORBA::Long simple_0_value; |
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| 67 | CORBA::Long simple_1_value; |
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| 68 | CORBA::Long simple_2_value; |
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| 69 | |
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| 70 | |
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| 71 | //list components provides and uses ports |
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| 72 | standardInterfaces_i::realChar_p *dataIn; |
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| 73 | standardInterfaces_i::realChar_u *dataOut; |
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| 74 | standardInterfaces::MetaData *metadata; |
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| 75 | |
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| 76 | // ----- algorithm methods ----- |
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| 77 | |
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| 78 | unsigned int numControlCodesExtracted; |
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| 79 | unsigned int numBitsExtracted; |
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| 80 | int pnSyncCodeThreshold; ///< |
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| 81 | bool invertBits; ///< negative correlation indicator |
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| 82 | |
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| 83 | /// Operational mode |
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| 84 | enum { |
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| 85 | EXTRACT_PN_SYNC_CODE, |
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| 86 | EXTRACT_PACKET_TYPE, |
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| 87 | EXTRACT_CONTROL_CODES, |
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| 88 | EXTRACT_HEADER, |
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| 89 | EXTRACT_DATA_BLOCK, |
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| 90 | EXTRACT_EOM_CODE |
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| 91 | } operationalMode; |
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| 92 | |
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| 93 | }; |
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| 94 | #endif |
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| 95 | |
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