ring_buffer.c

#include <stdint.h>
#include <stdlib.h>
#include <string.h>

void flatten_ring_buffer(uint8_t* buffer, uint8_t end_index, uint16_t sample_count)
{
    uint8_t* buffer_copy = malloc(sample_count*sizeof(uint8_t));   
    memcpy(buffer_copy, buffer, sample_count*sizeof(uint8_t));
    uint16_t i;
    for(i = 0; i < sample_count; i++)
    {
        if(i < end_index)
            buffer[sample_count - end_index + i] = buffer_copy[i];  
        else
            buffer[i-end_index] = buffer_copy[i];
    }
    free(buffer_copy);
}