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RingBuffer.h
1 /* Teensy 3.x, LC ADC library
2 * https://github.com/pedvide/ADC
3 * Copyright (c) 2015 Pedro Villanueva
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be
14 * included in all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
20 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
21 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
22 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23 * SOFTWARE.
24 */
25
26 #ifndef RINGBUFFER_H
27 #define RINGBUFFER_H
28
29 // include new and delete
30 //#include <Arduino.h>
31
32 // THE SIZE MUST BE A POWER OF 2!!
33 #define RING_BUFFER_DEFAULT_BUFFER_SIZE 8
34
35
36
40 class RingBuffer
41 {
42 public:
44 RingBuffer();
45
47 virtual ~RingBuffer();
48
50 int isFull();
51
53 int isEmpty();
54
56 void write(int value);
57
59 int read();
60
61 protected:
62 private:
63
64 int increase(int p);
65
66 int b_size = RING_BUFFER_DEFAULT_BUFFER_SIZE;
67 int b_start = 0;
68 int b_end = 0;
69 //int *elems;
70 int elems[RING_BUFFER_DEFAULT_BUFFER_SIZE];
71 };
72
73
74 #endif // RINGBUFFER_H
RingBuffer::read
int read()
Read a value from the buffer.
Definition: RingBuffer.cpp:55
RingBuffer::RingBuffer
RingBuffer()
Default constructor, buffer has a size DEFAULT_BUFFER_SIZE.
Definition: RingBuffer.cpp:29
RingBuffer::isEmpty
int isEmpty()
Returns 1 (true) if the buffer is empty.
Definition: RingBuffer.cpp:43
RingBuffer::~RingBuffer
virtual ~RingBuffer()
Definition: RingBuffer.cpp:34
RingBuffer::write
void write(int value)
Write a value into the buffer.
Definition: RingBuffer.cpp:47
RingBuffer::isFull
int isFull()
Returns 1 (true) if the buffer is full.
Definition: RingBuffer.cpp:39
RingBuffer
Definition: RingBuffer.h:40