#include "mbed.h"
#include "memory.h"

int mem_head = 0;
int mem_tail = 0;
uint8_t full = 0;

MEM_TYPE buffer[MEM_SIZE];

void tail_reset()
{
 mem_tail=0;
}

void mem_free()
{
 mem_head=0;
 full=0;
}


uint8_t mem_put(MEM_TYPE data)
{
 
    if (full)
        return 1;
    buffer[mem_head] = data;
    mem_head += 1;
    if (mem_head == MEM_SIZE)
        full =1;
    return 0;
}

uint8_t mem_get(MEM_TYPE* data)
{
    if (mem_head == 0)
        return 1; 
    if (mem_head == mem_tail)
        return 1; 
    
 
    *data = buffer[mem_tail];
    mem_tail += 1;
  
    return 0;
}