36372 mbed / Mbed 2 deprecated SP14P1_skeleton

skeleton for lab1

Dependencies:   AvailableMemory mbed-rtos mbed

Fork of helloaabbc by 32314 mbed

RingBuffer.h@1:55e99f6e2aa5, 2014-04-04 (annotated)

Committer:
mbed36372
Date:
Fri Apr 04 21:31:22 2014 +0000
Revision:
1:55e99f6e2aa5
Parent:
0:1c8f2727e9f5 
SP14_lab1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
y7jin 0:1c8f2727e9f5 1 #ifndef _RING_BUFFER_H
y7jin 0:1c8f2727e9f5 2 #define _RING_BUFFER_H
y7jin 0:1c8f2727e9f5 3
y7jin 0:1c8f2727e9f5 4 #include "mbed.h"
y7jin 0:1c8f2727e9f5 5
y7jin 0:1c8f2727e9f5 6 class RingBuffer{
y7jin 0:1c8f2727e9f5 7 private:
y7jin 0:1c8f2727e9f5 8
y7jin 0:1c8f2727e9f5 9 /*buf is the maximum size of the ring buffer; start is the beginning of first valid element, end is the next available position
y7jin 0:1c8f2727e9f5 10 to write*/
y7jin 0:1c8f2727e9f5 11 int bufSize, start, end;
y7jin 0:1c8f2727e9f5 12 public:
y7jin 0:1c8f2727e9f5 13 /*buf is the pointer to actual buffer start, bufEnd is the actual end of the buffer,
y7jin 0:1c8f2727e9f5 14 end is the current available position to insert (no element is at end yet), start is the first full position*/
y7jin 0:1c8f2727e9f5 15 int *buf;
y7jin 0:1c8f2727e9f5 16 /*cur is used in next() method, denoting the current position in a sequential read, count is the number of elements*/
y7jin 0:1c8f2727e9f5 17 int cur,count;
y7jin 0:1c8f2727e9f5 18
mbed36372 1:55e99f6e2aa5 19 RingBuffer(int *data=NULL, int bs=0):bufSize(bs),start(0),end(0),buf(data),cur(0),count(0){}
y7jin 0:1c8f2727e9f5 20 ~RingBuffer(){buf=NULL;}
y7jin 0:1c8f2727e9f5 21 void insert(int sample);
y7jin 0:1c8f2727e9f5 22 int next();
y7jin 0:1c8f2727e9f5 23 int getCount()const{return count;}
y7jin 0:1c8f2727e9f5 24 void dump(FILE *fp)const;
y7jin 0:1c8f2727e9f5 25 };
y7jin 0:1c8f2727e9f5 26
y7jin 0:1c8f2727e9f5 27 #endif