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GitHub Repository: Ardupilot/ardupilot
 Path: blob/master/libraries/AP_Airspeed/AP_Airspeed_External.h
Views: 1798
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/*

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  external AHRS airspeed backend

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 */

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#pragma once

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#include "AP_Airspeed_config.h"

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#if AP_AIRSPEED_EXTERNAL_ENABLED

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#include "AP_Airspeed_Backend.h"

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#include <AP_ExternalAHRS/AP_ExternalAHRS.h>

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class AP_Airspeed_External : public AP_Airspeed_Backend

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{

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public:

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    AP_Airspeed_External(AP_Airspeed &airspeed, uint8_t instance);

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    bool init(void) override {

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        return true;

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    }

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    void handle_external(const AP_ExternalAHRS::airspeed_data_message_t &pkt) override;

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    // return the current differential_pressure in Pascal

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    bool get_differential_pressure(float &pressure) override;

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    // temperature not available via analog backend

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    bool get_temperature(float &temperature) override;

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private:

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    float sum_pressure;

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    uint8_t press_count;

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    float sum_temperature;

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    uint8_t temperature_count;

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};

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#endif // AP_AIRSPEED_EXTERNAL_ENABLED

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