76 lines
2.3 KiB
C++
76 lines
2.3 KiB
C++
/*
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* MAX1704X Arduino Library for MAX17043 and MAX17044 Fuel Gauge.
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*
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* Version 1.0.0
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* Copyright © 2018 Daniel Porrey. All Rights Reserved.
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* https://github.com/porrey/max1704x
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*
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* This file is part of the MAX1704X Arduino Library.
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*
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* The MAX1704X Arduino Library is free software: you can redistribute
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* it and/or modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* The MAX1704X Arduino Library is distributed in the hope that it
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* will be useful, but WITHOUT ANY WARRANTY; without even the implied
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
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* the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with the MAX1704X Arduino Library. If not,
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* see http://www.gnu.org/licenses/.
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*/
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#ifndef MAX1704X_H
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#define MAX1704X_H
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#include <Arduino.h>
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#include <Wire.h>
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#define toLowByte(w) ((uint8_t) ((w) & 0xff))
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#define toHighByte(w) ((uint8_t) ((w) >> 8))
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#define toUint16(highB, lowB) ((uint16_t)((uint8_t)highB << 8) + (uint8_t)lowB)
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#define BV(bit) (1 <<(bit))
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#define setBit(byte, bit) (byte |= BV(bit))
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#define clearBit(byte, bit) (byte &= ~BV(bit))
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#define toggleBit(byte, bit) (byte ^= BV(bit))
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#define I2C_ADDRESS 0x36
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#define REGISTER_VCELL 0x02
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#define REGISTER_SOC 0x04
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#define REGISTER_MODE 0x06
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#define REGISTER_VERSION 0x08
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#define REGISTER_CONFIG 0x0C
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#define REGISTER_COMMAND 0xFE
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class MAX1704X
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{
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public:
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MAX1704X(float);
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void begin();
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uint16_t adc();
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float voltage();
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float percent();
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uint16_t version();
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uint8_t compensation();
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void compensation(uint8_t data);
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bool sleep();
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bool isSleeping();
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bool wake();
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void reset();
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void quickstart();
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bool alertIsActive();
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void clearAlert();
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uint8_t getThreshold();
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void setThreshold(uint8_t threshold);
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protected:
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float _maxVoltage;
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uint8_t thresholdToConfig(uint8_t threshold);
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uint8_t configToThreshold(uint8_t config);
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uint16_t readRegister16(uint8_t registerId);
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void writeRegisterId(uint8_t registerId);
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void writeRegister16(uint8_t registerId, uint16_t data);
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};
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#endif
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