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// $Id: RlinkCommand.hpp 609 2014-12-07 19:35:25Z mueller $

//

// Copyright 2011-2014 by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>

//

// This program is free software; you may redistribute and/or modify it under

// the terms of the GNU General Public License as published by the Free

// Software Foundation, either version 2, or at your option any later version.

//

// This program is distributed in the hope that it will be useful, but

// WITHOUT ANY WARRANTY, without even the implied warranty of MERCHANTABILITY

// or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

// for complete details.

// 

// Revision History: 

// Date         Rev Version  Comment

// 2014-12-06   609   1.2    new rlink v4 iface

// 2013-05-06   495   1.0.1  add RlinkContext to Print() args; drop oper<<()

// 2011-03-27   374   1.0    Initial version

// 2011-01-09   354   0.1    First draft

// ---------------------------------------------------------------------------

/*!

  \file

  \version $Id: RlinkCommand.hpp 609 2014-12-07 19:35:25Z mueller $

  \brief   Declaration of class RlinkCommand.

*/

#ifndef included_Retro_RlinkCommand

#define included_Retro_RlinkCommand 1

#include <cstddef>

#include <cstdint>

#include <vector>

#include <ostream>

#include "librtools/Rtools.hpp"

#include "RlinkContext.hpp"

#include "RlinkAddrMap.hpp"

#include "RlinkCommandExpect.hpp"

#include "librtools/Rbits.hpp"

namespace Retro {

  class RlinkCommand : public Rbits {

    public:

                    RlinkCommand();

                    RlinkCommand(const RlinkCommand& rhs);

                   ~RlinkCommand();

      void          CmdRreg(uint16_t addr);

      void          CmdRblk(uint16_t addr, size_t size);

      void          CmdRblk(uint16_t addr, uint16_t* pblock, size_t size);

      void          CmdWreg(uint16_t addr, uint16_t data);

      void          CmdWblk(uint16_t addr, const std::vector<uint16_t>& block);

      void          CmdWblk(uint16_t addr, const uint16_t* pblock, size_t size);

      void          CmdLabo();

      void          CmdAttn();

      void          CmdInit(uint16_t addr, uint16_t data);

      void          SetCommand(uint8_t cmd, uint16_t addr=0, uint16_t data=0);

      void          SetSeqNumber(uint8_t snum);

      void          SetAddress(uint16_t addr);

      void          SetData(uint16_t data);

      void          SetBlockWrite(const std::vector<uint16_t>& block);

      void          SetBlockRead(size_t size) ;

      void          SetBlockExt(uint16_t* pblock, size_t size);

      void          SetBlockDone(uint16_t dcnt);

      void          SetStatus(uint8_t stat);

      void          SetFlagBit(uint32_t mask);

      void          ClearFlagBit(uint32_t mask);

      void          SetRcvSize(size_t rsize);

      void          SetExpect(RlinkCommandExpect* pexp);

      uint8_t       Request() const;

      uint8_t       Command() const;

      uint8_t       SeqNumber() const;

      uint16_t      Address() const;

      uint16_t      Data() const;

      const std::vector<uint16_t>& Block() const;

      bool          IsBlockExt() const;

      uint16_t*        BlockPointer();

      const uint16_t*  BlockPointer() const;

      size_t        BlockSize() const;

      size_t        BlockDone() const;

      uint8_t       Status() const;

      uint32_t      Flags() const;

      bool          TestFlagAny(uint32_t mask) const;

      bool          TestFlagAll(uint32_t mask) const;

      size_t        RcvSize() const;

      RlinkCommandExpect* Expect() const;

      void          Print(std::ostream& os, const RlinkContext& cntx,

                          const RlinkAddrMap* pamap=0, size_t abase=16,

                          size_t dbase=16, size_t sbase=16) const;

      void          Dump(std::ostream& os, int ind=0, const char* text=0) const;

      static const char* CommandName(uint8_t cmd);

      static const RflagName* FlagNames();

      RlinkCommand& operator=(const RlinkCommand& rhs);

    // some constants (also defined in cpp)

      static const uint8_t  kCmdRreg = 0;   //!< command code read register

      static const uint8_t  kCmdRblk = 1;   //!< command code read block

      static const uint8_t  kCmdWreg = 2;   //!< command code write register

      static const uint8_t  kCmdWblk = 3;   //!< command code write block

      static const uint8_t  kCmdLabo = 4;   //!< command code list abort

      static const uint8_t  kCmdAttn = 5;   //!< command code get attention

      static const uint8_t  kCmdInit = 6;   //!< command code send initialize

      static const uint32_t kFlagInit   = 1u<<0;  //!< cmd,addr,data setup

      static const uint32_t kFlagSend   = 1u<<1;  //!< command send

      static const uint32_t kFlagDone   = 1u<<2;  //!< command done

      static const uint32_t kFlagLabo   = 1u<<3;  //!< command labo'ed

      static const uint32_t kFlagPktBeg = 1u<<4;  //!< command first in packet

      static const uint32_t kFlagPktEnd = 1u<<5;  //!< command last in packet

      static const uint32_t kFlagErrNak = 1u<<8;  //!< error: nak abort

      static const uint32_t kFlagErrDec = 1u<<9;  //!< error: decode error

      static const uint32_t kFlagChkStat= 1u<<12; //!< stat expect check failed

      static const uint32_t kFlagChkData= 1u<<13; //!< data expect check failed

      static const uint8_t  kStat_M_Stat  = 0xf0; //!< stat: external stat bits

      static const uint8_t  kStat_V_Stat  = 4;

      static const uint8_t  kStat_B_Stat  = 0x0f;

      static const uint8_t  kStat_M_Attn  = kBBit03;//!< stat: attn flags set

      static const uint8_t  kStat_M_RbNak = kBBit01;//!< stat: attn flags set

      static const uint8_t  kStat_M_RbErr = kBBit00;//!< stat: attn flags set

    protected:

      void          SetCmdSimple(uint8_t cmd, uint16_t addr, uint16_t data);

    protected:

      uint8_t       fRequest;               //!< rlink request (cmd+seqnum)

      uint16_t      fAddress;               //!< rbus address

      uint16_t      fData;                  //!< data 

      std::vector<uint16_t> fBlock;         //!< data vector for blk commands 

      uint16_t*     fpBlockExt;             //!< external data for blk commands

      size_t        fBlockExtSize;          //!< transfer size if data external

      size_t        fBlockDone;             //!< valid transfer count

      uint8_t       fStatus;                //!< rlink command status

      uint32_t      fFlags;                 //!< state bits

      size_t        fRcvSize;               //!< receive size for command

      RlinkCommandExpect* fpExpect;         //!< pointer to expect container

  };

} // end namespace Retro

#include "RlinkCommand.ipp"

#endif