Revision 0:f45f33d1febb, committed 2013-06-04

Comitter:

jhestolano

Date:

Tue Jun 04 01:39:13 2013 +0000

Commit message:

Simple data logger.

Changed in this revision

diff -r 000000000000 -r f45f33d1febb buffer.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/buffer.cpp	Tue Jun 04 01:39:13 2013 +0000
@@ -0,0 +1,105 @@
+#include "buffer.h"
+
+template<class T>
+Buffer<T>::Buffer(int buf_size)
+{
+    size = buf_size;
+    data = new T[buf_size];
+    full = false;
+    empty = true;
+    p_tail = &data[0];
+    p_head = &data[0];
+    p_start = &data[0];
+    p_end = &data[buf_size];
+}
+
+template<class T>
+void Buffer<T>::put(T val)
+{
+    if(!full) //Si hay espacio, escribe.
+    {
+        *p_head = val;
+        p_head++;
+        empty = false; //Si se pudo esciribir, el buffer no está vacío.
+        if(p_head == p_end) //Si ya llegó al final, volver a iniciar.
+        {
+            p_head = p_start;
+        }
+        if(p_head == p_tail)
+        {
+            full = true; // Si el indice de escritura alcanza el de lectura, el buffer se llenó.
+        }
+    }
+    else //Buffer lleno
+    {
+        //std::cout << "Buffer lleno..." << std::endl;
+    }
+}
+
+template<class T>
+T Buffer<T>::get()
+{
+    if(!empty)
+    {
+        T temp = *p_tail;
+        *p_tail = 0;
+        p_tail++;
+        full = false;
+        if(p_tail == p_end)
+        {
+            p_tail = p_start;
+        }
+        if(p_tail == p_head)
+        {
+            empty = true;
+        }
+        return temp;
+    }
+    else
+    {
+        //std::cout << "Buffer vacío..." << std::endl;
+        return 0;
+    }
+
+}
+
+template<class T>
+bool Buffer<T>::isEmpty()
+{
+    return empty;
+}
+
+template<class T>
+bool Buffer<T>::isFull()
+{
+    return full;
+}
+
+/*
+template<class T>
+void Buffer<T>::printData()
+{
+    for(int i = 0; i < size; i++)
+    {
+        std::cout << "Elemento " << i << ": " << data[i] << std::endl;
+    }
+}
+*/
+
+template<class T>
+Buffer<T>::~Buffer()
+{
+    delete[] data;
+}
+
+
+
+template class Buffer<float>;
+template class Buffer<char>;
+template class Buffer<uint8_t>;
+template class Buffer<uint16_t>;
+template class Buffer<uint32_t>;
+template class Buffer<int8_t>;
+template class Buffer<int16_t>;
+template class Buffer<int32_t>;
+template class Buffer<double>;

diff -r 000000000000 -r f45f33d1febb buffer.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/buffer.h	Tue Jun 04 01:39:13 2013 +0000
@@ -0,0 +1,30 @@
+#ifndef BUFFER_H
+#define BUFFER_H
+
+#include "mbed.h"
+
+template<class T>
+class Buffer
+{
+public:
+    Buffer(int buf_size);
+    void put(T val);
+    T get();
+    bool isEmpty();
+    bool isFull();
+    //void printData();
+    ~Buffer();
+
+private:
+    int size;
+    T* p_start;
+    T* p_end;
+    T* p_tail;
+    T* p_head;
+    T* data;
+    int index;
+    bool full;
+    bool empty;
+};
+
+#endif // BUFFER_H