mirror of
https://github.com/RobTillaart/Arduino.git
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52 lines
1.2 KiB
C++
52 lines
1.2 KiB
C++
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//
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// FILE: DEVNULL.cpp
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// AUTHOR: Rob Tillaart
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// VERSION: 0.1.4
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// PURPOSE: Arduino library for a /dev/null stream - useful for testing
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// URL: https://github.com/RobTillaart/DEVNULL
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//
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// HISTORY:
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// 0.1.0 2020-06-23 initial version.
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// 0.1.1 2020-12-18 add Arduino-CI.
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// 0.1.2 2021-11-24 update build-CI, badges, etc.
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// added write(data, length) + _timeOut.
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// 0.1.3 2021-12-15 update library.json, license, minor edits
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// 0.1.4 2022-09-21 split up .h in .cpp and .h
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// add last() to check last byte written to.
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#include "DEVNULL.h"
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DEVNULL::DEVNULL()
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{
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setTimeout(0); // no timeout.
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_bottomLessPit = -1; // nothing in the pit
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}
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int DEVNULL::available() { return 0; };
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int DEVNULL::peek() { return EOF; };
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int DEVNULL::read() { return EOF; };
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// placeholder to keep CI happy
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void DEVNULL::flush() { return; };
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size_t DEVNULL::write(const uint8_t data)
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{
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_bottomLessPit = data;
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return 1;
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}
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size_t DEVNULL::write( const uint8_t *buffer, size_t size)
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{
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if (size > 0) _bottomLessPit = buffer[size - 1];
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return size;
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}
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int DEVNULL::lastByte()
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{
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return _bottomLessPit;
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}
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// -- END OF FILE --
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