32 lines
1.1 KiB
C++
32 lines
1.1 KiB
C++
/// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*-
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#pragma once
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#include <AP_Common/AP_Common.h>
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#include <AP_Param/AP_Param.h>
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#include <AP_Math/AP_Math.h>
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#include "AP_BattMonitor_SMBus.h"
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class AP_BattMonitor_SMBus_I2C : 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_I2C(AP_BattMonitor &mon, uint8_t instance, AP_BattMonitor::BattMonitor_State &mon_state);
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// Read the battery voltage and current. Should be called at 10hz
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void read();
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private:
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// read word from register
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// returns true if read was successful, false if failed
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bool read_word(uint8_t reg, uint16_t& data) const;
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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, uint8_t max_len, bool append_zero) const;
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// get_PEC - calculate PEC for a read or write from the battery
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// buff is the data that was read or will be written
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uint8_t get_PEC(const uint8_t i2c_addr, uint8_t cmd, bool reading, const uint8_t buff[], uint8_t len) const;
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};
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