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83 lines
1.7 KiB
C++
83 lines
1.7 KiB
C++
#pragma once
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//
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// FILE: Multiplex.h
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// AUTHOR: Rob Tillaart
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// VERSION: 0.2.6
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// PURPOSE: Arduino library to multiplex streams
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// DATE: 2021-01-09
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// URL: https://github.com/RobTillaart/Multiplex
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#include "Arduino.h"
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#define MULTIPLEX_LIB_VERSION (F("0.2.6"))
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// MAX 254 (in theory) as 0xFF is a special value
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#ifndef MAX_MULTIPLEX
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#define MAX_MULTIPLEX 4
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#endif
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class Multiplex: public Print
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{
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public:
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Multiplex();
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~Multiplex();
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// CORE
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virtual size_t write(uint8_t c) override;
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virtual size_t write(const uint8_t * buffer, size_t size) override;
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bool add(Print * stream); // returns true on success
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void reset();
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// remove
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// use with care as it changes the indices.
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bool remove(Print * stream);
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bool remove(uint8_t index);
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// see issue #13
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virtual void flush() override;
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// CONTROL
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uint8_t count() { return _count; };
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uint8_t size() { return _size; };
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uint8_t free() { return _size - _count; };
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// returns true on success, false otherwise.
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bool enable(uint8_t index);
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bool enableStream(Print * stream);
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bool disable(uint8_t index);
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bool disableStream(Print * stream);
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bool isEnabled(uint8_t index);
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bool isEnabledStream(Print * stream);
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uint8_t index(Print *stream);
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Print * stream(uint8_t index);
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bool isEnabledAny();
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// DIAGNOSTIC
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void resetOutputCount() { _outputCount = 0; };
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uint32_t getOutputCount() { return _outputCount; };
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private:
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Print * _stream[MAX_MULTIPLEX];
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bool _enabled[MAX_MULTIPLEX];
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// bool _free[MAX_MULTIPLEX];
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uint8_t _count;
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uint8_t _size;
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uint32_t _outputCount;
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};
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// -- END OF FILE --
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