#include <stdio.h>
#include  <unistd.h>

int main(int argc, char **argv)
{
    unsigned int index = 0;
    unsigned   int  mSeconds = 500;
    int  returnCode;

    while(1)
    {
        if((++index % 10240) == 0 ){
            returnCode = usleep(mSeconds);
            index = 0;
        }
    }

    return 0;
}