author | Markus Bröker<broeker.markus@googlemail.com> |
Fri, 20 Oct 2017 06:43:33 +0200 | |
changeset 169 | df7c720bcaa6 |
parent 165 | f551b78c3eee |
permissions | -rw-r--r-- |
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a bluetooth and a c++ demo
Markus Bröker <mbroeker@largo.dyndns.tv>
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/** |
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* bluetooth.c |
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* Copyright (C) 2010 Markus Bröker |
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*/ |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <unistd.h> |
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#include <sys/socket.h> |
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#include <bluetooth/bluetooth.h> |
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#include <bluetooth/rfcomm.h> |
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int main (int argc, char **argv) |
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{ |
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struct sockaddr_rc loc_addr = { 0 }, rem_addr = { |
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0}; |
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char buf[1024] = { 0 }; |
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int s, client, bytes_read; |
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socklen_t opt = sizeof (rem_addr); |
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// allocate socket |
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s = socket (AF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM); |
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// bind socket to port 1 of the first available |
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// local bluetooth adapter |
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loc_addr.rc_family = AF_BLUETOOTH; |
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loc_addr.rc_bdaddr = *BDADDR_ANY; |
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loc_addr.rc_channel = (uint8_t) 1; |
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bind (s, (struct sockaddr *)&loc_addr, sizeof (loc_addr)); |
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// put socket into listening mode |
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listen (s, 1); |
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// accept one connection |
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client = accept (s, (struct sockaddr *)&rem_addr, &opt); |
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ba2str (&rem_addr.rc_bdaddr, buf); |
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fprintf (stderr, "accepted connection from %s\n", buf); |
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memset (buf, 0, sizeof (buf)); |
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// read data from the client |
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bytes_read = read (client, buf, sizeof (buf)); |
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if (bytes_read > 0) { |
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printf ("received [%s]\n", buf); |
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} |
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// close connection |
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close (client); |
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close (s); |
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return EXIT_SUCCESS; |
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} |