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GitHub Repository: Ardupilot/ardupilot
 Path: blob/master/libraries/AP_BattMonitor/AP_BattMonitor_FuelFlow.h
Views: 1798
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#pragma once

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#include "AP_BattMonitor_Analog.h"

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#if AP_BATTERY_FUELFLOW_ENABLED

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#include "AP_BattMonitor.h"

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class AP_BattMonitor_FuelFlow : public AP_BattMonitor_Analog

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{

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public:

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    /// Constructor

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    AP_BattMonitor_FuelFlow(AP_BattMonitor &mon, AP_BattMonitor::BattMonitor_State &mon_state, AP_BattMonitor_Params &params);

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    /// Read the battery voltage and current.  Should be called at 10hz

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    void read() override;

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    /// returns true if battery monitor provides consumed energy info

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    bool has_consumed_energy() const override { return true; }

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    /// returns true if battery monitor provides current info

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    bool has_current() const override { return true; }

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    void init(void) override {}

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private:

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    void irq_handler(uint8_t pin, bool pin_state, uint32_t timestamp);

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    struct IrqState {

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        uint32_t pulse_count;

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        uint32_t total_us;

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        uint32_t last_pulse_us;

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    } irq_state;

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    int8_t last_pin = -1;

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};

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#endif  // AP_BATTERY_FUELFLOW_ENABLED

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