Germain Lemasson / CircularArray

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

CircularArray.h@1:5036a532fe62, 2014-02-12 (annotated)

Committer:
GLemasson
Date:
Wed Feb 12 15:51:51 2014 +0000
Revision:
1:5036a532fe62
Parent:
0:28766f5a758e 
change to char version

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 1:5036a532fe62 4 #include <stdint.h>
GLemasson 0:28766f5a758e 5
GLemasson 1:5036a532fe62 6 class CircularArray
GLemasson 0:28766f5a758e 7 {
GLemasson 0:28766f5a758e 8 private:
GLemasson 0:28766f5a758e 9 unsigned int m_capacity;
GLemasson 0:28766f5a758e 10 volatile unsigned int w;
GLemasson 0:28766f5a758e 11 volatile unsigned int r;
GLemasson 0:28766f5a758e 12 volatile bool m_full;
GLemasson 0:28766f5a758e 13 volatile bool m_empty;
GLemasson 1:5036a532fe62 14 volatile uint8_t * data;
GLemasson 1:5036a532fe62 15 volatile uint8_t * readerBuffer;
GLemasson 1:5036a532fe62 16 uint16_t sizeRB;
GLemasson 1:5036a532fe62 17 volatile uint8_t * writerBuffer;
GLemasson 1:5036a532fe62 18 uint16_t sizeWB;
GLemasson 0:28766f5a758e 19
GLemasson 0:28766f5a758e 20 public:
GLemasson 0:28766f5a758e 21 CircularArray(unsigned int capacity);
GLemasson 0:28766f5a758e 22 ~CircularArray();
GLemasson 1:5036a532fe62 23 uint8_t * getWritePointer();
GLemasson 1:5036a532fe62 24 uint8_t * getReadPointer(uint16_t num);
GLemasson 0:28766f5a758e 25 void writeElements(unsigned int num);
GLemasson 0:28766f5a758e 26 void readElements(unsigned int num);
GLemasson 0:28766f5a758e 27 unsigned int fillCapacity();
GLemasson 0:28766f5a758e 28 unsigned int freeSpace();
GLemasson 0:28766f5a758e 29 unsigned int size();
GLemasson 0:28766f5a758e 30 unsigned int readable();
GLemasson 0:28766f5a758e 31 bool full();
GLemasson 0:28766f5a758e 32 bool empty();
GLemasson 0:28766f5a758e 33 };
GLemasson 0:28766f5a758e 34
GLemasson 0:28766f5a758e 35 #endif