mirror of https://github.com/ArduPilot/ardupilot
55 lines
1.5 KiB
C
55 lines
1.5 KiB
C
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/// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*-
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/*
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*
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backend driver for airspeed from I2C
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*/
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#ifndef __AP_AIRSPEED_I2C_H__
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#define __AP_AIRSPEED_I2C_H__
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#include <AP_Common.h>
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#include <AP_HAL.h>
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class AP_Airspeed_I2C_PX4 : AP_Airspeed_I2C {
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public:
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// constructor
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AP_Airspeed_I2C();
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// probe and initialise the sensor
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bool init(void);
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// return the current differential_pressure in Pascal
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bool get_differential_pressure(float &pressure);
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// return the current temperature in degrees C, if available
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bool get_temperature(float &temperature);
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private:
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void _measure(void);
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void _collect(void);
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void _timer(void);
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float _temperature;
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float _pressure;
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uint32_t _last_sample_time_ms;
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uint32_t _measurement_started_ms;
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};
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#endif // __AP_AIRSPEED_I2C_H__
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