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  TAP_EXIT1_IR         = 12,

  TAP_EXIT1_IR         = 12,

  TAP_PAUSE_IR         = 13,

  TAP_PAUSE_IR         = 13,

  TAP_EXIT2_IR         = 14,

  TAP_EXIT2_IR         = 14,

  TAP_UPDATE_IR        = 15,

  TAP_UPDATE_IR        = 15,

  TAP_SIZE             = 16

  TAP_SIZE             = 16

};      // enum TapState

};      // enum TapState

//! Textual representation of all the TAP states.

//! Textual representation of all the TAP states.

//! Provided for debugging purposes

//! Provided for debugging purposes

static const char *tapStateNames[TAP_SIZE] = {

static const char *tapStateNames[TAP_SIZE] = {

  "Test-Logic-Reset",

  "Test-Logic-Reset",

  "Shift-IR",

  "Shift-IR",

  "Exit1-IR",

  "Exit1-IR",

  "Pause-IR",

  "Pause-IR",

  "Exit2-IR",

  "Exit2-IR",

  "Update-IR"

  "Update-IR"

};      // tapStateNames

};      // tapStateNames

//! TAP state machine

//! TAP state machine

//! Tracks the state of the TAP. This should mirror the state of the TAP in

//! Tracks the state of the TAP. This should mirror the state of the TAP in

//! the connected HW.

//! the connected HW.

//! state machine.

//! state machine.

//! For convenience of users, this class provides a flag (resetDone::),

//! For convenience of users, this class provides a flag (resetDone::),

//! with accessors by which reset state can be recorded.

//! with accessors by which reset state can be recorded.

public:

public:

  friend class  JtagSC;

  friend class  JtagSC;

  friend class  TapAction;

  friend class  TapAction;

  friend class  TapActionDRScan;

  friend class  TapActionDRScan;

  friend class  TapActionIRScan;

  friend class  TapActionIRScan;

  friend class  TapActionReset;

  friend class  TapActionReset;

protected:

protected:

  //! The number of cycles of TMS=1 required to force reset

  //! The number of cycles of TMS=1 required to force reset

  static const int TAP_RESET_CYCLES = 5;

  static const int TAP_RESET_CYCLES = 5;

  // Drive the TAP state machine

  // Drive the TAP state machine

  void  nextState (bool tms);

  void  nextState (bool tms);

  // Determine if we are in a particular target state

  // Determine if we are in a particular target state

private:

private:

  //! The current TAP state

  //! The current TAP state

  TapState  state;

  TapState  state;

  //! user classes to set this.

  //! user classes to set this.

  bool  resetDone;

  bool  resetDone;

};      // class TapStateMachine

};      // class TapStateMachine

#endif  // TAP_STATE_MACHINE__H

#endif  // TAP_STATE_MACHINE__H

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