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78 lines
1.5 KiB
C++
78 lines
1.5 KiB
C++
#pragma once
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//
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// FILE: MAX31850.h
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// AUTHOR: Rob Tillaart
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// VERSION: 0.1.4
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// DATE: 2021-06-03
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// PURPOSE: Arduino library for the MAX31850 thermocouple temperature sensor.
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// URL: https://github.com/RobTillaart/MAX31850
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#define MAX31850_LIB_VERSION (F("0.1.4"))
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#include "Arduino.h"
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#include "OneWire.h"
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// ERROR CODES
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#define MAX31850_OK 0
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#define MAX31850_ERR_SHORT_OPEN 1
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#define MAX31850_ERR_SHORT_GND 2
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#define MAX31850_ERR_SHORT_VDD 4
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typedef uint8_t DeviceAddress[8];
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typedef uint8_t ScratchPad[9];
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class MAX31850
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{
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public:
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explicit MAX31850(OneWire * oneWire);
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bool begin(uint8_t retries = 3);
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bool getAddress(uint8_t * buffer);
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void requestTemperatures(void);
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bool isConversionComplete(void);
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// call read to get new measurement.
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float read(void);
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// Call read first!!
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float getTempTC(void);
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float getTempInternal(void);
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uint8_t getErrorCode();
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// TODO
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uint8_t getAddressPins();
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// type is a char from E J K N R S T (lowercase will be converted)
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bool setTypeTC(char typeTC = 'K'); // K is most used
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char getTypeTC();
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protected:
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void readScratchPad(uint8_t *, uint8_t);
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uint8_t _deviceAddress[8];
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OneWire* _oneWire;
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bool _addresFound;
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char _typeTC;
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float _TCTemp;
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float _internalTemp;
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uint8_t _errorBits;
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bool _failFlag;
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uint8_t _addrBits;
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};
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class MAX31851 : public MAX31850
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{
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public:
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MAX31851(OneWire * onewire);
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};
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// -- END OF FILE --
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