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#ifndef top_hh
#define top_hh
// io-hub - Modular Input/Output. {{{
//
// Copyright (C) 2013 Nicolas Schodet
//
// APBTeam:
//        Web: http://apbteam.org/
//      Email: team AT apbteam DOT org
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, 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 more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
// }}}
#include "defs.hh"
#include "candles.hh"

/// Compute the candle to blow for a given angle, when going in the given
/// direction.
int
top_candle_for_angle (uint16_t a, Candles::Floor floor, int dir_sign);

/// Test whether there is an obstacle blocking in the given direction.
bool
top_follow_blocking (int dir_sign);

/// Update external consign when following cake.
void
top_update ();

/// Generate TOP FSM events, return true if one event handled.
bool
top_fsm_gen_event ();

#endif // top_hh