RingBuffer.cpp

00001 #include "RingBuffer.h"
00002  
00003 Buffer::Buffer(int size) : bufSize(size), full(false), empty(true), windex(0), rindex(0)
00004 {
00005     data = std::vector<float>(bufSize);
00006     itBeg = data.begin();
00007     itEnd = data.end();
00008     head = itBeg;
00009     tail = itBeg;
00010 }
00011  
00012 void Buffer::put(float val)
00013 {
00014     if(!full)
00015     {
00016         //std::cout << "Escribiendo " << val << " en " << windex << std::endl;
00017         data[windex] = val;
00018         windex++;
00019         empty = false;
00020         if(windex >= bufSize)
00021         {
00022             windex = 0;
00023         }
00024         if(windex == rindex)
00025         {
00026             full = true;
00027             //std::cout << "Buffer lleno..." << std::endl;
00028         }
00029     }
00030 }
00031  
00032 const float Buffer::get()
00033 {  
00034     float temp;
00035     if(!empty)
00036     {
00037         temp = data[rindex];
00038         //std::cout << "Leyendo " << temp << " de " << rindex << std::endl;
00039         data[rindex] = 0;
00040         full = false;
00041         rindex++;
00042         if(rindex >= bufSize)
00043         {
00044             rindex = 0;
00045         }
00046         if(rindex == windex)
00047         {
00048             empty = true;
00049             //std::cout << "Buffer vacío. R-Index: " << rindex <<  std::endl;
00050         }
00051     }
00052     return temp;
00053 }
00054  
00055 const bool Buffer::isFull()
00056 {
00057     return full;
00058 }
00059  
00060 const bool Buffer::isEmpty()
00061 {
00062     return empty;
00063 }
00064  
00065 const int Buffer::getSize()
00066 {
00067     return bufSize;
00068 }
00069  
00070 const int Buffer::getWritingIndex()
00071 {
00072     return windex;
00073 }
00074 
00075 const int Buffer::getReadingIndex()
00076 {
00077     return rindex;
00078 }
00079  
00080 /*
00081 void Buffer::printBuffer()
00082 {
00083     std::cout << "Imprimiendo buffer..." << std::endl;
00084     int k = 0;
00085     for(std::vector<float>::iterator it = data.begin(); it != data.end(); ++it)
00086     {
00087         std::cout << "Elemento " << k++ << " es: " << *it << std::endl;
00088     }
00089 }
00090 */
00091  
00092