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https://github.com/ArduPilot/ardupilot
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5571a84a49
This is for sensors that give a pulse for each fixed volume of fuel.
Output is:
- current in Amps maps to in litres/hour
- consumed mAh is in consumed millilitres
- fixed 1.0v voltage
35 lines
923 B
C++
35 lines
923 B
C++
#pragma once
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#include "AP_BattMonitor.h"
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#include "AP_BattMonitor_Backend.h"
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class AP_BattMonitor_FuelFlow : public AP_BattMonitor_Backend
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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 ¶ms);
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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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