File content as of revision 3:0c4aa3cec685:

#include "buffer.h"

template <typename T>
CircularBuffer<T>::CircularBuffer(const uint32_t size)
    :buffer_size(size)
{
    read_ptr = 0;
    write_ptr = 0;
    count = 0;
    
    // mutex lock
    mux = false; 
    
    // overflow
    is_over_flow = false;
    
    // container
    data = new T[buffer_size];
}

template <typename T>
CircularBuffer<T>::~CircularBuffer()
{
    delete[] data;
}

template <typename T>
bool CircularBuffer<T>::isLocked()
{
    return mux;
}

template <typename T>
void CircularBuffer<T>::lock()
{
    mux = true;
}

template <typename T>
void CircularBuffer<T>::unlock()
{
    mux = false;
}

template <typename T>
void CircularBuffer<T>::enqueue(T in)
{
    data[write_ptr++] = in;
    write_ptr %= buffer_size;
    
    count++;
}

template <typename T>
T CircularBuffer<T>::dequeue()
{
    T temp = data[read_ptr++];
    read_ptr %= buffer_size;
    
    count--;
    return temp;   
}

template <typename T>
uint32_t CircularBuffer<T>::getReadPtr()
{
    return read_ptr;
}

template <typename T>
uint32_t CircularBuffer<T>::getWritePtr()
{
    return write_ptr;
}

template <typename T>
uint32_t CircularBuffer<T>::getCounter()
{
    return count;
}

template <typename T>
bool CircularBuffer<T>::getOverFlow()
{
    return is_over_flow;
}

template <typename T>
void CircularBuffer<T>::clearOverFlow()
{
    is_over_flow = false;  
}

template <typename T>
T CircularBuffer<T>::first()
{
    if (read_ptr > 0)
    {
        return data[read_ptr - 1];   
    }
    else
    {
        return data[read_ptr];
    }
}

template <typename T>
T CircularBuffer<T>::last()
{
    if (write_ptr > 0)
    {
        return data[write_ptr - 1];   
    }
    else
    {
        return data[write_ptr];
    }
}

template <typename T>
T CircularBuffer<T>::operator[](uint32_t idx)
{
    return data[idx];
}

// force compiler to create code for template
template class CircularBuffer<int>;
template class CircularBuffer<uint8_t>;
template class CircularBuffer<uint16_t>;
template class CircularBuffer<uint32_t>;