TlmChan.hpp

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#ifndef TELEMCHANIMPL_HPP_
#define TELEMCHANIMPL_HPP_

#include <Fw/Tlm/TlmPacket.hpp>
#include <Svc/TlmChan/TlmChanComponentAc.hpp>
#include <TlmChanImplCfg.hpp>

namespace Svc {

class TlmChan final : public TlmChanComponentBase {
  public:
    TlmChan(const char* compName);
    virtual ~TlmChan();

  PROTECTED:
    // can be overridden for alternate algorithms
    virtual FwChanIdType doHash(FwChanIdType id);

  PRIVATE:
    // Port functions
    void TlmRecv_handler(FwIndexType portNum, FwChanIdType id, Fw::Time& timeTag, Fw::TlmBuffer& val);
    void TlmGet_handler(FwIndexType portNum, FwChanIdType id, Fw::Time& timeTag, Fw::TlmBuffer& val);
    void Run_handler(FwIndexType portNum, U32 context);
    void pingIn_handler(const FwIndexType portNum, 
                        U32 key                        
    );

    typedef struct tlmEntry {
        FwChanIdType id;  
        bool updated;     
        Fw::Time lastUpdate;        
        Fw::TlmBuffer buffer;       
        tlmEntry* next;             
        bool used;                  
        FwChanIdType bucketNo;  
    } TlmEntry;

    struct TlmSet {
        TlmEntry* slots[TLMCHAN_NUM_TLM_HASH_SLOTS];  
        TlmEntry buckets[TLMCHAN_HASH_BUCKETS];       
        FwChanIdType free;                            
    } m_tlmEntries[2];

    U32 m_activeBuffer;  // !< which buffer is active for storing telemetry
};

}  // namespace Svc

#endif /* TELEMCHANIMPL_HPP_ */