MDIODecoder.h

Go to the documentation of this file.

/***********************************************************************************************************************
*                                                                                                                      *
* libscopeprotocols                                                                                                    *
*                                                                                                                      *
* Copyright (c) 2012-2026 Andrew D. Zonenberg and contributors                                                         *
* All rights reserved.                                                                                                 *
*                                                                                                                      *
* Redistribution and use in source and binary forms, with or without modification, are permitted provided that the     *
* following conditions are met:                                                                                        *
*                                                                                                                      *
*    * Redistributions of source code must retain the above copyright notice, this list of conditions, and the         *
*      following disclaimer.                                                                                           *
*                                                                                                                      *
*    * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the       *
*      following disclaimer in the documentation and/or other materials provided with the distribution.                *
*                                                                                                                      *
*    * Neither the name of the author nor the names of any contributors may be used to endorse or promote products     *
*      derived from this software without specific prior written permission.                                           *
*                                                                                                                      *
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED   *
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL *
* THE AUTHORS BE HELD LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES        *
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR       *
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT *
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE       *
* POSSIBILITY OF SUCH DAMAGE.                                                                                          *
*                                                                                                                      *
***********************************************************************************************************************/
 
#ifndef MDIODecoder_h
#define MDIODecoder_h
 
#include "../scopehal/PacketDecoder.h"
 
class MDIOSymbol
{
public:
    enum stype
    {
        TYPE_PREAMBLE,
        TYPE_START,
        TYPE_OP,
        TYPE_PHYADDR,
        TYPE_REGADDR,
        TYPE_TURN,
        TYPE_DATA,
        TYPE_ERROR,
    };
 
    MDIOSymbol()
    {}
 
    MDIOSymbol(stype t, uint16_t d = 0)
     : m_stype(t)
     , m_data(d)
    {}
 
    stype m_stype;
    uint16_t m_data;
 
    bool operator== (const MDIOSymbol& s) const
    {
        return (m_stype == s.m_stype) && (m_data == s.m_data);
    }
};
 
class MDIOWaveform : public SparseWaveform<MDIOSymbol>
{
public:
    MDIOWaveform () : SparseWaveform<MDIOSymbol>() {};
    virtual std::string GetText(size_t) override;
    virtual std::string GetColor(size_t) override;
};
 
class MDIODecoder : public PacketDecoder
{
public:
    MDIODecoder(const std::string& color);
 
    virtual void Refresh(vk::raii::CommandBuffer& cmdBuf, std::shared_ptr<QueueHandle> queue) override;
 
    virtual bool GetShowDataColumn() override;
 
    static std::string GetProtocolName();
 
    enum PhyTypes
    {
        PHY_TYPE_GENERIC,   //IEEE registers only
        PHY_TYPE_KSZ9031,
        PHY_TYPE_DP83867,
        PHY_TYPE_VSC8512
    };
 
    virtual std::vector<std::string> GetHeaders() override;
 
    virtual bool CanMerge(Packet* first, Packet* cur, Packet* next) override;
    virtual Packet* CreateMergedHeader(Packet* pack, size_t i) override;
 
    PROTOCOL_DECODER_INITPROC(MDIODecoder)
 
protected:
    FilterParameter& m_type;
 
    std::string DecodeBasicControl(uint16_t value);
    std::string DecodeBasicStatus(uint16_t value);
    std::string DecodePhyID1(uint16_t value, uint16_t phytype);
    std::string DecodePhyID2(uint16_t value, uint16_t phytype);
    std::string DecodeANAdvertisement(uint16_t value);
    std::string DecodeANPartnerAbility(uint16_t value);
    std::string Decode1000BaseTControl(uint16_t value);
    std::string Decode1000BaseTStatus(uint16_t value);
};
 
#endif