Line data    Source code

       1             : /*
       2             :    This program is free software: you can redistribute it and/or modify
       3             :    it under the terms of the GNU General Public License as published by
       4             :    the Free Software Foundation, either version 3 of the License, or
       5             :    (at your option) any later version.
       6             : 
       7             :    This program is distributed in the hope that it will be useful,
       8             :    but WITHOUT ANY WARRANTY; without even the implied warranty of
       9             :    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      10             :    GNU General Public License for more details.
      11             : 
      12             :    You should have received a copy of the GNU General Public License
      13             :    along with this program.  If not, see <http://www.gnu.org/licenses/>.
      14             :  */
      15             : #pragma once
      16             : 
      17             : #include "AP_Airspeed_config.h"
      18             : 
      19             : #if AP_AIRSPEED_ASP5033_ENABLED
      20             : 
      21             : /*
      22             :   backend driver for airspeed from I2C
      23             :  */
      24             : #include "AP_Airspeed_Backend.h"
      25             : #include <AP_HAL/I2CDevice.h>
      26             : 
      27             : class AP_Airspeed_ASP5033 : public AP_Airspeed_Backend
      28             : {
      29             : public:
      30             :     using AP_Airspeed_Backend::AP_Airspeed_Backend;
      31             : 
      32           0 :     ~AP_Airspeed_ASP5033(void) {
      33           0 :         delete dev;
      34           0 :     }
      35             : 
      36             :     bool init() override;
      37             : 
      38             :     // return the current differential_pressure in Pascal
      39             :     bool get_differential_pressure(float &_pressure) override;
      40             : 
      41             :     // return the current temperature in degrees C, if available
      42             :     bool get_temperature(float &_temperature) override;
      43             : 
      44             : private:
      45             :     void timer();
      46             :     bool confirm_sensor_id(void);
      47             :     float temp_sum;
      48             :     float press_sum;
      49             :     float last_pressure;
      50             :     float last_temperature;
      51             :     uint32_t press_count;
      52             :     uint32_t temp_count;
      53             :     uint32_t last_sample_ms;
      54             : 
      55             :     AP_HAL::I2CDevice *dev;
      56             : };
      57             : 
      58             : #endif  // AP_AIRSPEED_ASP5033_ENABLED