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41 lines
828 B
C++
41 lines
828 B
C++
#pragma once
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//
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// FILE: MT8870.h
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// AUTHOR: Rob Tillaart
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// VERSION: 0.1.4
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// DATE: 2019-02-11
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// PURPOSE: Arduino library for MT8870 DTMF decoder (breakout)
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// URL: https://github.com/RobTillaart/MT8870
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// https://www.tinytronics.nl/shop/nl/sensoren/geluid/mt8870-dtmf-module
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//
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#include "Arduino.h"
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#define MT8870_LIB_VERSION (F("0.1.4"))
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class MT8870
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{
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public:
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// STQ - pin to see if new data arrived
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// Q1 - Q4 data pins.
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void begin(uint8_t STQ, uint8_t Q1, uint8_t Q2, uint8_t Q3, uint8_t Q4);
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bool available();
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char read();
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uint8_t readRaw();
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uint8_t lastRaw() { return _val; };
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uint32_t lastTimeRead() { return _lastTimeRead; };
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private:
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uint8_t _val = 255;
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uint8_t _STQ;
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uint8_t _q[4];
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uint32_t _lastTimeRead;
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};
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// -- END OF FILE --
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