Line data    Source code

       1             : /*
       2             :   MSP airspeed backend
       3             :  */
       4             : #pragma once
       5             : 
       6             : #include "AP_Airspeed_config.h"
       7             : 
       8             : #if AP_AIRSPEED_MSP_ENABLED
       9             : 
      10             : #include "AP_Airspeed_Backend.h"
      11             : 
      12             : #include <AP_MSP/msp.h>
      13             : 
      14             : class AP_Airspeed_MSP : public AP_Airspeed_Backend
      15             : {
      16             : public:
      17             :     AP_Airspeed_MSP(AP_Airspeed &airspeed, uint8_t instance, uint8_t msp_instance);
      18             : 
      19           0 :     bool init(void) override {
      20           0 :         return true;
      21             :     }
      22             : 
      23             :     void handle_msp(const MSP::msp_airspeed_data_message_t &pkt) override;
      24             : 
      25             :     // return the current differential_pressure in Pascal
      26             :     bool get_differential_pressure(float &pressure) override;
      27             : 
      28             :     // temperature not available via analog backend
      29             :     bool get_temperature(float &temperature) override;
      30             :     
      31             : private:
      32             :     const uint8_t msp_instance;
      33             :     float sum_pressure;
      34             :     uint8_t press_count;
      35             :     float sum_temp;
      36             :     uint8_t temp_count;
      37             : };
      38             : 
      39             : #endif // AP_AIRSPEED_MSP_ENABLED