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// $Id: RlinkPacketBuf.hpp 606 2014-11-24 07:08:51Z 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 // 2014-11-23 606 2.0 re-organize for rlink v4 // 2013-04-21 509 1.0.2 add SndAttn() method // 2013-01-13 474 1.0.1 add PollAttn() method // 2011-04-02 375 1.0 Initial version // 2011-03-05 366 0.1 First draft // --------------------------------------------------------------------------- /*! \file \version $Id: RlinkPacketBuf.hpp 606 2014-11-24 07:08:51Z mueller $ \brief Declaration of class RlinkPacketBuf. */ #ifndef included_Retro_RlinkPacketBuf #define included_Retro_RlinkPacketBuf 1 #include <cstdint> #include <ostream> #include <vector> #include "boost/utility.hpp" #include "librtools/Rstats.hpp" #include "RlinkCrc16.hpp" namespace Retro { class RlinkPacketBuf : private boost::noncopyable { public: RlinkPacketBuf(); ~RlinkPacketBuf(); size_t PktSize() const; uint32_t Flags() const; bool TestFlag(uint32_t mask) const; const Rstats& Stats() const; void Dump(std::ostream& os, int ind=0, const char* text=0) const; // flag bits (also defined in cpp) static const uint32_t kFlagSopSeen = 1<<0; //!< sop was seen static const uint32_t kFlagEopSeen = 1<<1; //!< eop was seen static const uint32_t kFlagNakSeen = 1<<2; //!< nak was seen static const uint32_t kFlagAttnSeen = 1<<3; //!< attn was seen static const uint32_t kFlagErrTout = 1<<16; //!< err: timeout on read static const uint32_t kFlagErrIO = 1<<17; //!< err: IO error on read static const uint32_t kFlagErrFrame = 1<<18; //!< err: frame error static const uint32_t kFlagErrClobber = 1<<19; //!< err: clobbered esc // some constants (also defined in cpp) static const uint8_t kSymEsc = 0xCA; //!< VHDL def escape 1100 1010 static const uint8_t kSymFill = 0xD5; //!< VHDL def fill 1101 0101 static const uint8_t kSymXon = 0x11; //!< VHDL def xon 0001 0001 static const uint8_t kSymXoff = 0x13; //!< VHDL def xoff 0001 0011 static const uint8_t kSymEdPref = 0x40; //!< VHDL def ed_pref 0100 0000 static const uint8_t kEcSop = 0x00; //!< VHDL def ec_sop 000 static const uint8_t kEcEop = 0x01; //!< VHDL def ec_eop 001 static const uint8_t kEcNak = 0x02; //!< VHDL def ec_nak 010 static const uint8_t kEcAttn = 0x03; //!< VHDL def ec_attn 011 static const uint8_t kEcXon = 0x04; //!< VHDL def ec_xon 100 static const uint8_t kEcXoff = 0x05; //!< VHDL def ec_xoff 101 static const uint8_t kEcFill = 0x06; //!< VHDL def ec_fill 110 static const uint8_t kEcEsc = 0x07; //!< VHDL def ec_esc 111 static const uint8_t kEcClobber = 0xff; //!< invalid Ecode protected: void SetFlagBit(uint32_t mask); void ClearFlagBit(uint32_t mask); protected: std::vector<uint8_t> fPktBuf; //!< packet buffer RlinkCrc16 fCrc; //!< crc accumulator uint32_t fFlags; //!< request/response flags Rstats fStats; //!< statistics }; } // end namespace Retro #include "RlinkPacketBuf.ipp" #endif