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64 lines
1.3 KiB
C++
64 lines
1.3 KiB
C++
#pragma once
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//
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// FILE: DS18B20.h
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// AUTHOR: Rob.Tillaart@gmail.com
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// VERSION: 0.1.12
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// DATE: 2017-07-25
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// PUPROSE: library for DS18B20 temperature sensor with minimal footprint
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// URL: https://github.com/RobTillaart/DS18B20_RT
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//
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// BOTTOM VIEW
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//
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// PIN MEANING
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// /---+
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// / o | 1 GND
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// | o | 2 DATA
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// \ o | 3 VCC
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// \---+
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//
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#define DS18B20_LIB_VERSION (F("0.1.12"))
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#include <OneWire.h>
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// Error Code
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#define DEVICE_DISCONNECTED -127
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#define DEVICE_CRC_ERROR -128
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// config codes
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#define DS18B20_CLEAR 0x00
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#define DS18B20_CRC 0x01
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typedef uint8_t DeviceAddress[8];
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typedef uint8_t ScratchPad[9];
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class DS18B20
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{
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public:
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explicit DS18B20(OneWire * ow);
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bool begin(uint8_t retries = 3);
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void setResolution(uint8_t resolution = 9);
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void requestTemperatures(void);
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float getTempC(void);
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bool isConversionComplete(void);
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bool getAddress(uint8_t * buf);
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void setConfig(uint8_t config) { _config = config; };
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uint8_t getConfig() { return _config; };
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private:
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void readScratchPad(uint8_t *, uint8_t);
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DeviceAddress _deviceAddress;
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OneWire* _oneWire;
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bool _addressFound;
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uint8_t _config;
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};
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// -- END OF FILE --
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