guidance_opticflow_hover.h

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/*
 * Copyright (C) 2014 Hann Woei Ho
 *               2015 Freek van Tienen <freek.v.tienen@gmail.com>
 *
 * This file is part of Paparazzi.
 *
 * Paparazzi 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, or (at your option)
 * any later version.
 *
 * Paparazzi 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 Paparazzi; see the file COPYING.  If not, see
 * <http://www.gnu.org/licenses/>.
 */

#ifndef GUIDANCE_OPTICFLOW_HOVER_H_
#define GUIDANCE_OPTICFLOW_HOVER_H_

#include "std.h"
#include "math/pprz_algebra_int.h"

/* The opticflow stabilization */
struct opticflow_stab_t {
  int32_t phi_pgain;        
  int32_t phi_igain;        
  int32_t theta_pgain;      
  int32_t theta_igain;      
  float desired_vx;         
  float desired_vy;         

  float err_vx_int;         
  float err_vy_int;         
  struct Int32Eulers cmd;   
};
extern struct opticflow_stab_t opticflow_stab;

// Implement own Horizontal loops
extern void guidance_h_module_init(void);
extern void guidance_h_module_enter(void);
extern void guidance_h_module_read_rc(void);
extern void guidance_h_module_run(bool in_flight);

#endif /* GUIDANCE_OPTICFLOW_HOVER_H_ */