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https://gitee.com/mirrors_PX4/PX4-Autopilot.git
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c3e70b03aa
- Do not pull in PWM parameters when DISABLE_PARAMS_MODULE_SCOPING is TRUE since VOXL2 has no PWM nor any of the required timer_config files that go along with that - Replace non-standard M_PI constants with PX4 defined M_PI_F constants - Include missing header file for function hrt_absolute_time declaration - Add new PX4_SOC_ARCH_ID for the VOXL2 board
58 lines
2.0 KiB
C++
58 lines
2.0 KiB
C++
/****************************************************************************
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*
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* Copyright (C) 2012 PX4 Development Team. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name PX4 nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/**
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* @file blocks.cpp
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*
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* Controller library code
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*/
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#include <math.h>
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#include <float.h>
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#include "blocks.hpp"
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namespace control
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{
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float BlockHighPass::update(float input)
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{
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float b = 2 * M_PI_F * getFCut() * getDt();
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float a = 1 / (1 + b);
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setY(a * (getY() + input - getU()));
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setU(input);
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return getY();
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}
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} // namespace control
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