Line data    Source code

       1             : #pragma once
       2             : 
       3             : #include "AP_BattMonitor_Backend.h"
       4             : 
       5             : #if AP_BATTERY_ANALOG_ENABLED
       6             : 
       7             : #include "AP_BattMonitor.h"
       8             : 
       9             : class AP_BattMonitor_Analog : public AP_BattMonitor_Backend
      10             : {
      11             : public:
      12             : 
      13             :     /// Constructor
      14             :     AP_BattMonitor_Analog(AP_BattMonitor &mon, AP_BattMonitor::BattMonitor_State &mon_state, AP_BattMonitor_Params &params);
      15             : 
      16             :     /// Read the battery voltage and current.  Should be called at 10hz
      17             :     virtual void read() override;
      18             : 
      19             :     /// returns true if battery monitor provides consumed energy info
      20      864071 :     virtual bool has_consumed_energy() const override { return has_current(); }
      21             : 
      22             :     /// returns true if battery monitor provides current info
      23             :     virtual bool has_current() const override;
      24             : 
      25        1859 :     virtual void init(void) override {}
      26             : 
      27             :     static const struct AP_Param::GroupInfo var_info[];
      28             : 
      29             : protected:
      30             : 
      31             :     AP_HAL::AnalogSource *_volt_pin_analog_source;
      32             :     AP_HAL::AnalogSource *_curr_pin_analog_source;
      33             : 
      34             :     // Parameters
      35             :     AP_Float _volt_multiplier;          /// voltage on volt pin multiplied by this to calculate battery voltage
      36             :     AP_Float _curr_amp_per_volt;        /// voltage on current pin multiplied by this to calculate current in amps
      37             :     AP_Float _curr_amp_offset;          /// offset voltage that is subtracted from current pin before conversion to amps
      38             :     AP_Float _volt_offset;              /// offset voltage that is subtracted from voltage pin before conversion
      39             :     AP_Int8  _volt_pin;                 /// board pin used to measure battery voltage
      40             :     AP_Int8  _curr_pin;                 /// board pin used to measure battery current
      41             : };
      42             : 
      43             : #endif  // AP_BATTERY_ANALOG_ENABLED