differential_pressure.hpp
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/****************************************************************************
*
* Copyright (c) 2020 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.
*
****************************************************************************/
/**
* @author Jacob Crabill <jacob@flyvoly.com>
*/
#pragma once
#include <uORB/uORB.h>
#include <uORB/topics/differential_pressure.h>
#include <mathlib/math/filter/LowPassFilter2p.hpp>
#include "sensor_bridge.hpp"
#include <uavcan/equipment/air_data/RawAirData.hpp>
class UavcanDifferentialPressureBridge : public UavcanSensorBridgeBase
{
public:
static const char *const NAME;
UavcanDifferentialPressureBridge(uavcan::INode &node);
const char *get_name() const override { return NAME; }
int init() override;
private:
float _diff_pres_offset{0.f};
math::LowPassFilter2p _filter{10.f, 1.1f}; /// Adapted from MS5525 driver
void air_sub_cb(const uavcan::ReceivedDataStructure<uavcan::equipment::air_data::RawAirData> &msg);
typedef uavcan::MethodBinder < UavcanDifferentialPressureBridge *,
void (UavcanDifferentialPressureBridge::*)
(const uavcan::ReceivedDataStructure<uavcan::equipment::air_data::RawAirData> &) >
AirCbBinder;
uavcan::Subscriber<uavcan::equipment::air_data::RawAirData, AirCbBinder> _sub_air;
};