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 *   Copyright (c) 2015-2016 PX4 Development Team. All rights reserved.
 *
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 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 * 3. Neither the name PX4 nor the names of its contributors may be
 *    used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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/**
 * @file camera_trigger_params.c
 * Camera trigger parameters
 *
 * @author Mohammed Kabir <mhkabir98@gmail.com>
 * @author Andreas Bircher <andreas@wingtra.com>
 */

#include <nuttx/config.h>
#include <systemlib/param/param.h>

/**
* Camera trigger Interface
*
* Selects the trigger interface
*
* @value 1 GPIO
* @value 2 Seagull MAP2 (PWM)
*
* @reboot_required true
*
* @group Camera trigger
*/
PARAM_DEFINE_INT32(TRIG_INTERFACE, 2);

/**
 * Camera trigger interval
 *
 * This parameter sets the time between two consecutive trigger events
 *
 * @unit ms
 * @min 4.0
 * @max 10000.0
 * @decimal 1
 * @group Camera trigger
 */
PARAM_DEFINE_FLOAT(TRIG_INTERVAL, 40.0f);

/**
 * Camera trigger polarity
 *
 * This parameter sets the polarity of the trigger (0 = active low, 1 = active high )
 *
 * @value 0 Active low
 * @value 1 Active high
 * @min 0
 * @max 1
 * @group Camera trigger
 */
PARAM_DEFINE_INT32(TRIG_POLARITY, 0);

/**
 * Camera trigger activation time
 *
 * This parameter sets the time the trigger needs to pulled high or low.
 *
 * @unit ms
 * @min 0.1
 * @max 3000
 * @decimal 1
 * @group Camera trigger
 */
PARAM_DEFINE_FLOAT(TRIG_ACT_TIME, 0.5f);

/**
 * Camera trigger mode
 *
 * @value 0 Disable
 * @value 1 On individual commands
 * @value 2 Time based, always on
 * @value 3 Distance based, always on
 * @value 4 Distance, mission controlled
 * @min 0
 * @max 4
 * @reboot_required true
 * @group Camera trigger
 */
PARAM_DEFINE_INT32(TRIG_MODE, 0);

/**
 * Camera trigger pin
 *
 * Selects which pin is used, ranges from 1 to 6 (AUX1-AUX6 on px4fmu-v2 and the rail
 * pins on px4fmu-v4). The PWM interface takes two pins per camera, while relay
 * triggers on every pin individually. Example: Value 56 would trigger on pins 5 and 6.
 *
 * @min 1
 * @max 123456
 * @decimal 0
 * @reboot_required true
 * @group Camera trigger
 */
PARAM_DEFINE_INT32(TRIG_PINS, 56);

/**
 * Camera trigger distance
 *
 * Sets the distance at which to trigger the camera.
 *
 * @unit m
 * @min 0
 * @increment 1
 * @decimal 1
 * @group Camera trigger
 */
PARAM_DEFINE_FLOAT(TRIG_DISTANCE, 25.0f);
