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70 lines
1.4 KiB
C++
70 lines
1.4 KiB
C++
#pragma once
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//
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// FILE: I2C_SCANNER.h
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// AUTHOR: Rob Tillaart
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// VERSION: 0.2.1
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// DATE: 2022-08-29
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// PURPOSE: Arduino class to implement an I2C scanner.
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#include "Arduino.h"
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#include "Wire.h"
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#define I2C_SCANNER_LIB_VERSION (F("0.2.1"))
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class I2C_SCANNER
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{
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public:
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I2C_SCANNER(TwoWire *wire = &Wire);
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// CONFIGURATION
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bool begin();
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#if defined (ESP8266) || defined(ESP32)
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bool begin(int sda, int scl);
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#endif
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// I2C PORT
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uint8_t getWirePortCount();
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// 0 == Wire, 1 = Wire1 ... 5 = Wire5 (if supported)
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// to be used for iteration over the I2C interfaces.
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bool setWire(uint8_t n = 0);
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bool setWire(TwoWire *wire = &Wire);
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TwoWire* getWire();
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// valid methods 0 and 1.
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int softwareReset(uint8_t method = 0);
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// TIMING
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bool setClock(uint32_t clockFrequency = 100000UL);
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#if defined(ESP32)
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uint32_t getClock();
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#endif
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// SCANNING FUNCTIONS
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uint16_t ping(uint8_t address, uint16_t count = 1);
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int diag(uint8_t address);
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int32_t pingTime(uint8_t address);
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uint8_t count(uint8_t start = 0, uint8_t end = 127);
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// EXPERIMENTAL.
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// not all platforms support this function.
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// patch .cpp file to get this working for your platform.
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bool setWireTimeout(uint32_t timeOut);
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uint32_t getWireTimeout();
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private:
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int _init();
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int _wirePortCount;
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TwoWire* _wire;
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uint32_t _timeout = 0;
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};
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// -- END OF FILE --
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