70b9fe0dd6
arduino as a library will not build with -flto. I can't figure it out. so we waste some space compared to what platformio was building. oh well. there's still over 1K of space left for programs.
63 lines
1.9 KiB
C++
63 lines
1.9 KiB
C++
/*
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Copyright (c) 2014 Arduino. All right reserved.
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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.
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See the GNU 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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#ifndef _RING_BUFFER_
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#define _RING_BUFFER_
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#include <stdint.h>
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// Define constants and variables for buffering incoming serial data. We're
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// using a ring buffer (I think), in which head is the index of the location
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// to which to write the next incoming character and tail is the index of the
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// location from which to read.
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#define RINGBUFFER_HAS_ADDITIONAL_STORAGE_API
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#ifdef RINGBUFFER_FORCE_SMALL_SIZE
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typedef uint8_t rb_index_type;
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#else
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typedef unsigned int rb_index_type;
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#endif
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class RingBuffer {
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public:
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RingBuffer(rb_index_type size = 64) ;
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void store_char(uint8_t c) ;
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void clear();
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int read_char();
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int available();
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int availableForStore();
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int peek();
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bool isFull();
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void addStorage(uint8_t *_buffer, rb_index_type _size) {
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additionalSize = _size;
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additionalBuffer = _buffer;
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};
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private:
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rb_index_type nextIndex(rb_index_type index);
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uint8_t *additionalBuffer;
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int additionalSize = 0;
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rb_index_type size;
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uint8_t *_aucBuffer;
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volatile rb_index_type _iHead ;
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volatile rb_index_type _iTail ;
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};
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#endif /* _RING_BUFFER_ */
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