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-- |
165
f551b78c3eee
a bluetooth and a c++ demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff
changeset
|
1 |
/** |
f551b78c3eee
a bluetooth and a c++ demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff
changeset
|
2 |
* bluetooth.c |
f551b78c3eee
a bluetooth and a c++ demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff
changeset
|
3 |
* Copyright (C) 2010 Markus Bröker |
f551b78c3eee
a bluetooth and a c++ demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff
changeset
|
4 |
*/ |
f551b78c3eee
a bluetooth and a c++ demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff
changeset
|
5 |
|
f551b78c3eee
a bluetooth and a c++ demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff
changeset
|
6 |
#include <stdio.h> |
f551b78c3eee
a bluetooth and a c++ demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff
changeset
|
7 |
#include <stdlib.h> |
f551b78c3eee
a bluetooth and a c++ demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff
changeset
|
8 |
#include <unistd.h> |
f551b78c3eee
a bluetooth and a c++ demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff
changeset
|
9 |
#include <sys/socket.h> |
f551b78c3eee
a bluetooth and a c++ demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff
changeset
|
10 |
#include <bluetooth/bluetooth.h> |
f551b78c3eee
a bluetooth and a c++ demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff
changeset
|
11 |
#include <bluetooth/rfcomm.h> |
f551b78c3eee
a bluetooth and a c++ demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff
changeset
|
12 |
|
f551b78c3eee
a bluetooth and a c++ demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff
changeset
|
13 |
int main (int argc, char **argv) |
f551b78c3eee
a bluetooth and a c++ demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff
changeset
|
14 |
{ |
f551b78c3eee
a bluetooth and a c++ demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff
changeset
|
15 |
struct sockaddr_rc loc_addr = { 0 }, rem_addr = { |
f551b78c3eee
a bluetooth and a c++ demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff
changeset
|
16 |
0}; |
f551b78c3eee
a bluetooth and a c++ demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff
changeset
|
17 |
char buf[1024] = { 0 }; |
f551b78c3eee
a bluetooth and a c++ demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff
changeset
|
18 |
int s, client, bytes_read; |
f551b78c3eee
a bluetooth and a c++ demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff
changeset
|
19 |
socklen_t opt = sizeof (rem_addr); |
f551b78c3eee
a bluetooth and a c++ demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff
changeset
|
20 |
|
f551b78c3eee
a bluetooth and a c++ demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff
changeset
|
21 |
// allocate socket |
f551b78c3eee
a bluetooth and a c++ demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff
changeset
|
22 |
s = socket (AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM); |
f551b78c3eee
a bluetooth and a c++ demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff
changeset
|
23 |
|
f551b78c3eee
a bluetooth and a c++ demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff
changeset
|
24 |
// bind socket to port 1 of the first available |
f551b78c3eee
a bluetooth and a c++ demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff
changeset
|
25 |
// local bluetooth adapter |
f551b78c3eee
a bluetooth and a c++ demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff
changeset
|
26 |
loc_addr.rc_family = AF_BLUETOOTH; |
f551b78c3eee
a bluetooth and a c++ demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff
changeset
|
27 |
loc_addr.rc_bdaddr = *BDADDR_ANY; |
f551b78c3eee
a bluetooth and a c++ demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff
changeset
|
28 |
loc_addr.rc_channel = (uint8_t) 1; |
f551b78c3eee
a bluetooth and a c++ demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff
changeset
|
29 |
bind (s, (struct sockaddr *)&loc_addr, sizeof (loc_addr)); |
f551b78c3eee
a bluetooth and a c++ demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff
changeset
|
30 |
|
f551b78c3eee
a bluetooth and a c++ demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff
changeset
|
31 |
// put socket into listening mode |
f551b78c3eee
a bluetooth and a c++ demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff
changeset
|
32 |
listen (s, 1); |
f551b78c3eee
a bluetooth and a c++ demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff
changeset
|
33 |
|
f551b78c3eee
a bluetooth and a c++ demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff
changeset
|
34 |
// accept one connection |
f551b78c3eee
a bluetooth and a c++ demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff
changeset
|
35 |
client = accept (s, (struct sockaddr *)&rem_addr, &opt); |
f551b78c3eee
a bluetooth and a c++ demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff
changeset
|
36 |
|
f551b78c3eee
a bluetooth and a c++ demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff
changeset
|
37 |
ba2str (&rem_addr.rc_bdaddr, buf); |
f551b78c3eee
a bluetooth and a c++ demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff
changeset
|
38 |
fprintf (stderr, "accepted connection from %s\n", buf); |
f551b78c3eee
a bluetooth and a c++ demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff
changeset
|
39 |
memset (buf, 0, sizeof (buf)); |
f551b78c3eee
a bluetooth and a c++ demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff
changeset
|
40 |
|
f551b78c3eee
a bluetooth and a c++ demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff
changeset
|
41 |
// read data from the client |
f551b78c3eee
a bluetooth and a c++ demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff
changeset
|
42 |
bytes_read = read (client, buf, sizeof (buf)); |
f551b78c3eee
a bluetooth and a c++ demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff
changeset
|
43 |
if (bytes_read > 0) { |
f551b78c3eee
a bluetooth and a c++ demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff
changeset
|
44 |
printf ("received [%s]\n", buf); |
f551b78c3eee
a bluetooth and a c++ demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff
changeset
|
45 |
} |
f551b78c3eee
a bluetooth and a c++ demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff
changeset
|
46 |
// close connection |
f551b78c3eee
a bluetooth and a c++ demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff
changeset
|
47 |
close (client); |
f551b78c3eee
a bluetooth and a c++ demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff
changeset
|
48 |
close (s); |
f551b78c3eee
a bluetooth and a c++ demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff
changeset
|
49 |
|
f551b78c3eee
a bluetooth and a c++ demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff
changeset
|
50 |
return EXIT_SUCCESS; |
f551b78c3eee
a bluetooth and a c++ demo
Markus Bröker <mbroeker@largo.dyndns.tv>
parents:
diff
changeset
|
51 |
} |