mirror of
https://github.com/ArduPilot/ardupilot
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74 lines
2.9 KiB
C++
74 lines
2.9 KiB
C++
#pragma once
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#include "AP_BattMonitor_Backend.h"
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#if AP_BATTERY_ANALOG_ENABLED
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#include "AP_BattMonitor.h"
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// default pins and dividers
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#if defined(HAL_BATT_VOLT_PIN)
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// pins defined in board config (hwdef.dat on ChibiOS)
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# define AP_BATT_VOLT_PIN HAL_BATT_VOLT_PIN
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# define AP_BATT_CURR_PIN HAL_BATT_CURR_PIN
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# define AP_BATT_VOLTDIVIDER_DEFAULT HAL_BATT_VOLT_SCALE
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# define AP_BATT_CURR_AMP_PERVOLT_DEFAULT HAL_BATT_CURR_SCALE
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#elif CONFIG_HAL_BOARD == HAL_BOARD_CHIBIOS
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# define AP_BATT_VOLT_PIN 4
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# define AP_BATT_CURR_PIN 3
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# define AP_BATT_VOLTDIVIDER_DEFAULT 10.1f
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# define AP_BATT_CURR_AMP_PERVOLT_DEFAULT 17.0f
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#else
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# define AP_BATT_VOLT_PIN -1
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# define AP_BATT_CURR_PIN -1
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# define AP_BATT_VOLTDIVIDER_DEFAULT 10.1f
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# define AP_BATT_CURR_AMP_PERVOLT_DEFAULT 17.0f
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#endif
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// This is 0 for the majority of the power modules.
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#ifndef AP_BATT_CURR_AMP_OFFSET_DEFAULT
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#define AP_BATT_CURR_AMP_OFFSET_DEFAULT 0.0f
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#endif
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// Other values normally set directly by mission planner
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// # define AP_BATT_VOLTDIVIDER_DEFAULT 15.70 // Volt divider for AttoPilot 50V/90A sensor
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// # define AP_BATT_VOLTDIVIDER_DEFAULT 4.127 // Volt divider for AttoPilot 13.6V/45A sensor
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// # define AP_BATT_CURR_AMP_PERVOLT_DEFAULT 27.32 // Amp/Volt for AttoPilot 50V/90A sensor
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// # define AP_BATT_CURR_AMP_PERVOLT_DEFAULT 13.66 // Amp/Volt for AttoPilot 13.6V/45A sensor
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class AP_BattMonitor_Analog : public AP_BattMonitor_Backend
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{
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public:
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/// Constructor
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AP_BattMonitor_Analog(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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virtual void read() override;
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/// returns true if battery monitor provides consumed energy info
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virtual bool has_consumed_energy() const override { return has_current(); }
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/// returns true if battery monitor provides current info
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virtual bool has_current() const override;
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virtual void init(void) override {}
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static const struct AP_Param::GroupInfo var_info[];
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protected:
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AP_HAL::AnalogSource *_volt_pin_analog_source;
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AP_HAL::AnalogSource *_curr_pin_analog_source;
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// Parameters
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AP_Float _volt_multiplier; /// voltage on volt pin multiplied by this to calculate battery voltage
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AP_Float _curr_amp_per_volt; /// voltage on current pin multiplied by this to calculate current in amps
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AP_Float _curr_amp_offset; /// offset voltage that is subtracted from current pin before conversion to amps
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AP_Float _volt_offset; /// offset voltage that is subtracted from voltage pin before conversion
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AP_Int8 _volt_pin; /// board pin used to measure battery voltage
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AP_Int8 _curr_pin; /// board pin used to measure battery current
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};
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#endif // AP_BATTERY_ANALOG_ENABLED
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