37 lines
1.3 KiB
C++
37 lines
1.3 KiB
C++
#pragma once
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#include "AP_BattMonitor_SMBus.h"
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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 ¶ms);
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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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// read_block - returns number of characters read if successful, zero if unsuccessful
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uint8_t read_block(uint8_t reg, uint8_t* data, bool append_zero) const;
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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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