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74 lines
1.6 KiB
C++
74 lines
1.6 KiB
C++
#pragma once
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//
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// FILE: MS5611.h
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// AUTHOR: Rob Tillaart
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// Erni - testing/fixes
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// VERSION: 0.3.0
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// PURPOSE: Arduino library for MS5611 temperature and pressure sensor
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// URL: https://github.com/RobTillaart/MS5611
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//
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// HISTORY:
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// see MS5611.cpp file
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//
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#include "Arduino.h"
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#include "Wire.h"
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#define MS5611_LIB_VERSION (F("0.3.0"))
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#define MS5611_READ_OK 0
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#define MS5611_ERROR_2 2 // low level I2C error
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#define MS5611_NOT_READ -999
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class MS5611
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{
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public:
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explicit MS5611(uint8_t deviceAddress);
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#if defined (ESP8266) || defined(ESP32)
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bool begin(uint8_t sda, uint8_t scl, TwoWire *wire = &Wire);
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#endif
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bool begin(TwoWire *wire = &Wire);
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bool isConnected();
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// reset command + get constants
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void reset();
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// the actual reading of the sensor;
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// returns MS5611_READ_OK upon success
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int read(uint8_t bits = 8);
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// temperature is in ²C
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float getTemperature() const { return _temperature * 0.01; };
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// pressure is in mBar
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float getPressure() const { return _pressure * 0.01; };
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// to check for failure
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int getLastResult() const { return _result; };
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// last time in millis() that the sensor has been read.
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uint32_t lastRead() { return _lastRead; };
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private:
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void convert(const uint8_t addr, uint8_t bits);
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uint32_t readADC();
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uint16_t readProm(uint8_t reg);
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int command(const uint8_t command);
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uint8_t _address;
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int32_t _temperature;
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int32_t _pressure;
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int _result;
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float C[7];
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uint32_t _lastRead;
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TwoWire * _wire;
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};
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// -- END OF FILE --
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