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 *
 *   Copyright (c) 2012-2016 PX4 Development Team. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * 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
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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/**
 * Logging rate.
 *
 * A value of -1 indicates the commandline argument
 * should be obeyed. A value of 0 sets the minimum rate,
 * any other value is interpreted as rate in Hertz. This
 * parameter is only read out before logging starts (which
 * commonly is before arming).
 *
 * @unit Hz
 * @min -1
 * @max  250
 * @group SD Logging
 */
PARAM_DEFINE_INT32(SDLOG_RATE, -1);

/**
 * Extended logging mode
 *
 * A value of -1 indicates the command line argument
 * should be obeyed. A value of 0 disables extended
 * logging mode, a value of 1 enables it. This
 * parameter is only read out before logging starts
 * (which commonly is before arming).
 *
 * @min -1
 * @max  1
 * @value -1 Command Line
 * @value 0 Disable
 * @value 1 Enable
 * @group SD Logging
 */
PARAM_DEFINE_INT32(SDLOG_EXT, -1);

/**
 * Use timestamps only if GPS 3D fix is available
 *
 * Constrain the log folder creation
 * to only use the time stamp if a 3D GPS lock is
 * present.
 *
 * @boolean
 * @group SD Logging
 */
PARAM_DEFINE_INT32(SDLOG_GPSTIME, 1);

/**
 * Give logging app higher thread priority to avoid data loss.
 * This is used for gathering replay logs for the ekf2 module.
 *
 * A value of 0 indicates that the default priority is used.
 * Increasing the parameter in steps of one increases the priority.
 *
 * @min 0
 * @max  3
 * @value 0 Low priority
 * @value 1 Default priority
 * @value 2 Medium priority
 * @value 3 Max priority
 * @group SD Logging
 */
PARAM_DEFINE_INT32(SDLOG_PRIO_BOOST, 2);