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This commit is contained in:
Dmitry Borisenko
2020-07-26 23:47:00 +02:00
parent f7f4e176b2
commit 4aa0dc39b9
236 changed files with 0 additions and 27262 deletions
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86
include/Module/CircularBuffer.h
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@@ -1,86 +0,0 @@
#pragma once
#include <Arduino.h>
template <typename T, size_t BUFFER_SIZE>
class CircularBuffer {
public:
CircularBuffer() : _head{0}, _tail{0}, _full{false} {}
~CircularBuffer() {}
void reset() {
_head = _tail = _full = 0;
}
bool empty() const {
return _head == _tail && !_full;
}
bool full() const {
return _full;
}
size_t size() const {
size_t res = 0;
if (!_full) {
if (_head < _tail)
res = BUFFER_SIZE + _head - _tail;
else
res = _head - _tail;
} else {
res = BUFFER_SIZE;
}
return res;
}
void push(const T &item) {
if (_full) {
_tail++;
if (_tail == BUFFER_SIZE)
_tail = 0;
}
_pool[_head++] = item;
if (_head == BUFFER_SIZE)
_head = 0;
if (_head == _tail)
_full = true;
}
bool pop(T &item) {
bool res = false;
if (!empty()) {
item = _pool[_tail++];
if (_tail == BUFFER_SIZE) _tail = 0;
_full = false;
res = true;
}
return res;
}
bool pop_back(T &item) {
bool res = false;
if (!empty()) {
item = _pool[--_head];
_full = false;
res = true;
}
return res;
}
bool peek(T &item) const {
bool res = false;
if (!empty()) {
item = _pool[_tail];
res = true;
}
return res;
}
private:
T _pool[BUFFER_SIZE];
size_t _head;
size_t _tail;
bool _full;
};