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47 lines
1.2 KiB
C++
47 lines
1.2 KiB
C++
#ifndef RingStream_h
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#define RingStream_h
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/*
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(c) 2015 Ingo Fischer
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buffer serial device
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based on Arduino SoftwareSerial
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Constructor warning messages fixed by Chris Harlow.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <Arduino.h>
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class RingStream : public Print {
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public:
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RingStream( const uint16_t len);
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virtual size_t write(uint8_t b);
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using Print::write;
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int read();
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int count();
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private:
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int _len;
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int _pos_write;
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int _pos_read;
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bool _overflow;
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byte * _buffer;
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};
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#endif
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