PCIeGen2LogicalDecoder.h

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* libscopeprotocols                                                                                                    *
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#ifndef PCIe2Gen2LogicalDecoder_h
#define PCIe2Gen2LogicalDecoder_h
 
class PCIeLogicalSymbol
{
public:
 
    enum SymbolType
    {
        TYPE_NO_SCRAMBLER,      //unknown data before the scrambler seed is figured out
        TYPE_LOGICAL_IDLE,      //nothing happening
        TYPE_SKIP,              //rate matching character
        TYPE_START_TLP,         //Begin an upper layer packet
        TYPE_START_DLLP,
        TYPE_END,               //End a TLP or DLLP
        TYPE_END_BAD,           //End a packet, but mark it as to be ignored
        TYPE_PAYLOAD_DATA,      //A byte of TLP or DLLP data
        TYPE_END_DATA_STREAM,   //End of a data stream
        TYPE_ERROR,
        TYPE_TS1,               //Training set
        TYPE_TS2,
        TYPE_IDLE,
        TYPE_EXIT_IDLE,
        TYPE_PAD
    } m_type;
 
    uint8_t m_data;
 
    PCIeLogicalSymbol()
    {}
 
    PCIeLogicalSymbol(SymbolType type, uint8_t data = 0)
        : m_type(type)
        , m_data(data)
    {}
 
 
    bool operator==(const PCIeLogicalSymbol& s) const
    {
        return (m_type == s.m_type) && (m_data == s.m_data);
    }
};
 
class PCIeLogicalWaveform : public SparseWaveform<PCIeLogicalSymbol>
{
public:
    PCIeLogicalWaveform () : SparseWaveform<PCIeLogicalSymbol>() {};
    virtual std::string GetText(size_t) override;
    virtual std::string GetColor(size_t) override;
};
 
class PCIeGen2LogicalDecoder : public Filter
{
public:
    PCIeGen2LogicalDecoder(const std::string& color);
    virtual ~PCIeGen2LogicalDecoder();
 
    virtual void Refresh(vk::raii::CommandBuffer& cmdBuf, std::shared_ptr<QueueHandle> queue) override;
 
    static std::string GetProtocolName();
 
    PROTOCOL_DECODER_INITPROC(PCIeGen2LogicalDecoder)
 
protected:
    uint8_t RunScrambler(uint16_t& state);
 
    //non-virtual shim we can call from signal_changed
    void RefreshPortsHelper()
    { RefreshPorts(); }
 
    virtual void RefreshPorts();
 
    FilterParameter& m_portCount;
};
 
#endif