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  1. /***************************************************************************
  2. * Copyright (C) 2009 by Simon Qian *
  3. * SimonQian@SimonQian.com *
  4. * *
  5. * This program is free software; you can redistribute it and/or modify *
  6. * it under the terms of the GNU General Public License as published by *
  7. * the Free Software Foundation; either version 2 of the License, or *
  8. * (at your option) any later version. *
  9. * *
  10. * This program is distributed in the hope that it will be useful, *
  11. * but WITHOUT ANY WARRANTY; without even the implied warranty of *
  12. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
  13. * GNU General Public License for more details. *
  14. * *
  15. * You should have received a copy of the GNU General Public License *
  16. * along with this program; if not, write to the *
  17. * Free Software Foundation, Inc., *
  18. * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
  19. ***************************************************************************/
  20. #ifndef SVF_H
  21. #define SVF_H
  22. #include "command.h"
  23. extern int svf_register_commands(struct command_context_s *cmd_ctx);
  24. /**
  25. * svf_add_statemove() moves from the current state to @a goal_state.
  26. *
  27. * @param goal_state The final TAP state.
  28. * @return ERROR_OK on success, or an error code on failure.
  29. *
  30. * The current and goal states must satisfy svf_tap_state_is_stable().
  31. * State transition paths used by this routine are those given in the
  32. * SVF specification for single-argument STATE commands (and also used
  33. * for various other state transitions).
  34. */
  35. extern int svf_add_statemove(tap_state_t goal_state);
  36. /**
  37. * svf_tap_state_is_stable() returns true for stable non-SHIFT states
  38. *
  39. * @param state The TAP state in question
  40. * @return true iff the state is stable and not a SHIFT state.
  41. */
  42. extern bool svf_tap_state_is_stable(tap_state_t state);
  43. #endif /* SVF_H */