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

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#include "AP_BattMonitor_SMBus.h"

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#if AP_BATTERY_SMBUS_GENERIC_ENABLED

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#if CONFIG_HAL_BOARD == HAL_BOARD_SITL

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#define BATTMONITOR_SMBUS_NUM_CELLS_MAX 14

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#else

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#define BATTMONITOR_SMBUS_NUM_CELLS_MAX 12

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#endif

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class AP_BattMonitor_SMBus_Generic : public AP_BattMonitor_SMBus

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{

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public:

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    // Constructor

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    AP_BattMonitor_SMBus_Generic(AP_BattMonitor &mon,

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                             AP_BattMonitor::BattMonitor_State &mon_state,

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                             AP_BattMonitor_Params &params);

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private:

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    void timer(void) override;

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    // check if PEC supported with the version value in SpecificationInfo() function

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    // returns true once PEC is confirmed as working or not working

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    bool check_pec_support();

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    uint8_t _pec_confirmed; // count of the number of times PEC has been confirmed as working

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    uint32_t _last_cell_update_us[BATTMONITOR_SMBUS_NUM_CELLS_MAX]; // system time of last successful read of cell voltage

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    uint32_t _cell_count_check_start_us;  // system time we started attempting to count the number of cells

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    uint8_t _cell_count;    // number of cells returning voltages

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    bool _cell_count_fixed; // true when cell count check is complete

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};

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#endif  // AP_BATTERY_SMBUS_GENERIC_ENABLED

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