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diff --git a/src/modules/fw_pos_control_l1/fw_pos_control_l1_params.c b/src/modules/fw_pos_control_l1/fw_pos_control_l1_params.c
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+++ b/src/modules/fw_pos_control_l1/fw_pos_control_l1_params.c
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+/****************************************************************************
+ *
+ *   Copyright (c) 2013, 2014 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
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/**
+ * @file fw_pos_control_l1_params.c
+ *
+ * Parameters defined by the L1 position control task
+ *
+ * @author Lorenz Meier <lm@inf.ethz.ch>
+ */
+
+#include <nuttx/config.h>
+
+#include <systemlib/param/param.h>
+
+/*
+ * Controller parameters, accessible via MAVLink
+ *
+ */
+
+/**
+ * L1 period
+ *
+ * This is the L1 distance and defines the tracking
+ * point ahead of the aircraft its following.
+ * A value of 25 meters works for most aircraft. Shorten
+ * slowly during tuning until response is sharp without oscillation.
+ *
+ * @min 1.0
+ * @max 100.0
+ * @group L1 Control
+ */
+PARAM_DEFINE_FLOAT(FW_L1_PERIOD, 25.0f);
+
+/**
+ * L1 damping
+ *
+ * Damping factor for L1 control.
+ *
+ * @min 0.6
+ * @max 0.9
+ * @group L1 Control
+ */
+PARAM_DEFINE_FLOAT(FW_L1_DAMPING, 0.75f);
+
+/**
+ * Default Loiter Radius
+ *
+ * This radius is used when no other loiter radius is set.
+ *
+ * @min 10.0
+ * @max 100.0
+ * @group L1 Control
+ */
+PARAM_DEFINE_FLOAT(FW_LOITER_R, 50.0f);
+
+/**
+ * Cruise throttle
+ *
+ * This is the throttle setting required to achieve the desired cruise speed. Most airframes have a value of 0.5-0.7.
+ *
+ * @min 0.0
+ * @max 1.0
+ * @group L1 Control
+ */
+PARAM_DEFINE_FLOAT(FW_THR_CRUISE, 0.7f);
+
+/**
+ * Negative pitch limit
+ *
+ * The minimum negative pitch the controller will output.
+ *
+ * @unit degrees
+ * @min -60.0
+ * @max 0.0
+ * @group L1 Control
+ */
+PARAM_DEFINE_FLOAT(FW_P_LIM_MIN, -45.0f);
+
+/**
+ * Positive pitch limit
+ *
+ * The maximum positive pitch the controller will output.
+ *
+ * @unit degrees
+ * @min 0.0
+ * @max 60.0
+ * @group L1 Control
+ */
+PARAM_DEFINE_FLOAT(FW_P_LIM_MAX, 45.0f);
+
+
+PARAM_DEFINE_FLOAT(FW_R_LIM, 45.0f);
+
+
+PARAM_DEFINE_FLOAT(FW_THR_MIN, 0.0f);
+
+
+PARAM_DEFINE_FLOAT(FW_THR_MAX, 1.0f);
+
+PARAM_DEFINE_FLOAT(FW_THR_LND_MAX, 1.0f);
+
+PARAM_DEFINE_FLOAT(FW_T_CLMB_MAX, 5.0f);
+
+
+PARAM_DEFINE_FLOAT(FW_T_SINK_MIN, 2.0f);
+
+
+PARAM_DEFINE_FLOAT(FW_T_TIME_CONST, 5.0f);
+
+
+PARAM_DEFINE_FLOAT(FW_T_THR_DAMP, 0.5f);
+
+
+PARAM_DEFINE_FLOAT(FW_T_INTEG_GAIN, 0.1f);
+
+
+PARAM_DEFINE_FLOAT(FW_T_VERT_ACC, 7.0f);
+
+
+PARAM_DEFINE_FLOAT(FW_T_HGT_OMEGA, 3.0f);
+
+
+PARAM_DEFINE_FLOAT(FW_T_SPD_OMEGA, 2.0f);
+
+
+PARAM_DEFINE_FLOAT(FW_T_RLL2THR, 10.0f);
+
+
+PARAM_DEFINE_FLOAT(FW_T_SPDWEIGHT, 1.0f);
+
+
+PARAM_DEFINE_FLOAT(FW_T_PTCH_DAMP, 0.0f);
+
+
+PARAM_DEFINE_FLOAT(FW_T_SINK_MAX, 5.0f);