SWDDecoder.h

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* libscopeprotocols                                                                                                    *
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#ifndef SWDDecoder_h
#define SWDDecoder_h
 
class SWDSymbol
{
public:
    enum stype
    {
        TYPE_START,
        TYPE_LINERESET,
        TYPE_AP_NDP,
        TYPE_R_NW,
        TYPE_ADDRESS,
        TYPE_PARITY_OK,
        TYPE_PARITY_BAD,
        TYPE_STOP,
        TYPE_PARK,
        TYPE_TURNAROUND,
        TYPE_ACK,
        TYPE_DATA,
        TYPE_SWDTOJTAG,
        TYPE_JTAGTOSWD,
        TYPE_SWDTODORMANT,
        TYPE_LEAVEDORMANT,
        TYPE_ERROR
    };
 
    SWDSymbol() {}
 
    SWDSymbol(stype t, uint32_t d) : m_stype(t), m_data(d) {}
 
    stype m_stype;
    uint32_t m_data;
 
    bool operator==(const SWDSymbol& s) const { return (m_stype == s.m_stype) && (m_data == s.m_data); }
};
 
class SWDWaveform : public SparseWaveform<SWDSymbol>
{
public:
    SWDWaveform () : SparseWaveform<SWDSymbol>() {};
    virtual std::string GetText(size_t) override;
    virtual std::string GetColor(size_t) override;
};
 
class SWDDecoder : public Filter
{
private:
    // Magic numbers for the SWD protocol
    static const uint16_t c_JTAG_TO_SWD_SEQ;
    static const uint16_t c_SWD_TO_JTAG_SEQ;
    static const uint16_t c_SWD_TO_DORMANT_SEQ;
    static const uint32_t c_magic_seqlen;
    static const uint32_t c_reset_minseqlen;
    static const uint32_t c_magic_wakeuplen;
    static const uint8_t c_wakeup[16];
 
public:
    SWDDecoder(const std::string& color);
 
    virtual void Refresh() override;
 
    static std::string GetProtocolName();
 
    virtual bool ValidateChannel(size_t i, StreamDescriptor stream) override;
 
    PROTOCOL_DECODER_INITPROC(SWDDecoder)
};
 
#endif