Germain Lemasson / CircularArray

An implementation of a circular array allowing direct write and read.

CircularArray.h@0:28766f5a758e, 2014-02-11 (annotated)

Committer:
GLemasson
Date:
Tue Feb 11 18:41:26 2014 +0000
Revision:
0:28766f5a758e
Child:
1:5036a532fe62
An implementation of a circular array allowing drirect read and write

Who changed what in which revision?

UserRevisionLine numberNew contents of line
GLemasson 0:28766f5a758e 1
GLemasson 0:28766f5a758e 2 #ifndef _CIRCULAR_ARRAY_H_
GLemasson 0:28766f5a758e 3 #define _CIRCULAR_ARRAY_H_
GLemasson 0:28766f5a758e 4
GLemasson 0:28766f5a758e 5 template<typename T> class CircularArray
GLemasson 0:28766f5a758e 6 {
GLemasson 0:28766f5a758e 7 private:
GLemasson 0:28766f5a758e 8 unsigned int m_capacity;
GLemasson 0:28766f5a758e 9 volatile unsigned int w;
GLemasson 0:28766f5a758e 10 volatile unsigned int r;
GLemasson 0:28766f5a758e 11 volatile bool m_full;
GLemasson 0:28766f5a758e 12 volatile bool m_empty;
GLemasson 0:28766f5a758e 13 volatile T * data;
GLemasson 0:28766f5a758e 14
GLemasson 0:28766f5a758e 15 public:
GLemasson 0:28766f5a758e 16 CircularArray(unsigned int capacity);
GLemasson 0:28766f5a758e 17 ~CircularArray();
GLemasson 0:28766f5a758e 18 T * getWritePointer();
GLemasson 0:28766f5a758e 19 T * getReadPointer(T * buffer=0,unsigned int num=0);
GLemasson 0:28766f5a758e 20 void writeElements(unsigned int num);
GLemasson 0:28766f5a758e 21 void readElements(unsigned int num);
GLemasson 0:28766f5a758e 22 unsigned int fillCapacity();
GLemasson 0:28766f5a758e 23 unsigned int freeSpace();
GLemasson 0:28766f5a758e 24 unsigned int size();
GLemasson 0:28766f5a758e 25 unsigned int readable();
GLemasson 0:28766f5a758e 26 bool full();
GLemasson 0:28766f5a758e 27 bool empty();
GLemasson 0:28766f5a758e 28 };
GLemasson 0:28766f5a758e 29
GLemasson 0:28766f5a758e 30 #endif