heiher

#!/bin/bash

if [ ! -e /sys/class/gpio/gpio33 ]; then
    echo 33 > /sys/class/gpio/export
    sleep 0.1
    echo out > /sys/class/gpio/gpio33/direction
fi

if [ ! -e /sys/class/gpio/gpio35 ]; then
    echo 35 > /sys/class/gpio/export

heiher

#!/bin/bash

if [ "$#" -lt 2 ]; then
    SRC=$1
    DST=$1
else
    SRC=$1
    DST=$2
fi

heiher

#define _GNU_SOURCE
#include <fcntl.h>
#include <sched.h>
#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
#include <unistd.h>
#include <sys/stat.h>
#include <sys/mman.h>
#include <sys/types.h>

heiher

#include <stdio.h>
#include <unistd.h>
#include <sys/epoll.h>

int
main (int argc, char *argv[])
{
    int efd[2];
    struct epoll_event e;