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https://github.com/RobTillaart/Arduino.git
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70 lines
1.3 KiB
C
70 lines
1.3 KiB
C
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#pragma once
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//
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// FILE: MSP300.h
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// AUTHOR: Rob Tillaart
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// VERSION: 0.1.0
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// PURPOSE: Arduino library for I2C MSP300 pressure transducer.
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// URL: https://github.com/RobTillaart/MSP300
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#include "Arduino.h"
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#include "Wire.h"
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#define MSP300_LIB_VERSION (F("0.1.0"))
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// ERROR CODES
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#define MSP300_OK 0
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#define MSP300_ERROR 100
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/////////////////////////////////////////////////
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//
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// MSP300
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//
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class MSP300
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{
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public:
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explicit MSP300(const uint8_t deviceAddress = 0x20, TwoWire *wire = &Wire);
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#if defined (ESP8266) || defined(ESP32)
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bool begin(int sda, int scl, int maxValue);
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#endif
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bool begin(int maxValue);
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bool isConnected();
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// set the address to select other sensor if needed.
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bool setAddress(const uint8_t deviceAddress);
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uint8_t getAddress();
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// READ
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uint32_t readPT();
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float getPressure();
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float getTemperature();
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// CALIBRATION
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void setPressureCounts(uint16_t Pmin = 1000, uint16_t Pmax = 15000);
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// ERROR HANDLING
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int lastError();
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private:
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uint8_t _address;
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int _error;
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int _maxValue;
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uint32_t _raw;
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// default span reversed.
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float _pressureFactor = 1.0/14000.0;
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TwoWire* _wire;
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void _request();
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void _read(uint8_t bytes);
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};
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// -- END OF FILE --
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