bluetooth/bluetooth.c
author Markus Bröker<broeker.markus@googlemail.com>
Sun, 10 Feb 2019 13:17:01 +0100
changeset 173 374a86886bc5
parent 165 f551b78c3eee
permissions -rw-r--r--
LAST-DIGIT-BUG: INCREMENT before LF

/**
 * bluetooth.c
 * Copyright (C) 2010 Markus Bröker
 */

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/socket.h>
#include <bluetooth/bluetooth.h>
#include <bluetooth/rfcomm.h>

int main (int argc, char **argv)
{
    struct sockaddr_rc loc_addr = { 0 }, rem_addr = {
    0};
    char buf[1024] = { 0 };
    int s, client, bytes_read;
    socklen_t opt = sizeof (rem_addr);

    // allocate socket
    s = socket (AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM);

    // bind socket to port 1 of the first available
    // local bluetooth adapter
    loc_addr.rc_family = AF_BLUETOOTH;
    loc_addr.rc_bdaddr = *BDADDR_ANY;
    loc_addr.rc_channel = (uint8_t) 1;
    bind (s, (struct sockaddr *)&loc_addr, sizeof (loc_addr));

    // put socket into listening mode
    listen (s, 1);

    // accept one connection
    client = accept (s, (struct sockaddr *)&rem_addr, &opt);

    ba2str (&rem_addr.rc_bdaddr, buf);
    fprintf (stderr, "accepted connection from %s\n", buf);
    memset (buf, 0, sizeof (buf));

    // read data from the client
    bytes_read = read (client, buf, sizeof (buf));
    if (bytes_read > 0) {
        printf ("received [%s]\n", buf);
    }
    // close connection
    close (client);
    close (s);

    return EXIT_SUCCESS;
}