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/*
*
* BlueZ - Bluetooth protocol stack for Linux
*
* Copyright (C) 2001-2010 Marcel Holtmann <marcel@holtmann.org>
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <errno.h>
#include <fcntl.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <termios.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <bluetooth/bluetooth.h>
#include <bluetooth/rfcomm.h>
static int at_command(int fd, char *cmd, int to)
{
fd_set rfds;
struct timeval timeout;
char buf[1024];
int sel, len, i, n;
len = write(fd, cmd, strlen(cmd));
for (i = 0; i < 100; i++) {
FD_ZERO(&rfds);
FD_SET(fd, &rfds);
timeout.tv_sec = 0;
timeout.tv_usec = to;
if ((sel = select(fd + 1, &rfds, NULL, NULL, &timeout)) > 0) {
if (FD_ISSET(fd, &rfds)) {
memset(buf, 0, sizeof(buf));
len = read(fd, buf, sizeof(buf));
for (n = 0; n < len; n++)
printf("%c", buf[n]);
if (strstr(buf, "\r\nOK") != NULL)
break;
if (strstr(buf, "\r\nERROR") != NULL)
break;
if (strstr(buf, "\r\nCONNECT") != NULL)
break;
}
}
}
return 0;
}
static int open_device(char *device)
{
struct termios ti;
int fd;
fd = open(device, O_RDWR | O_NOCTTY | O_NONBLOCK);
if (fd < 0) {
fprintf(stderr, "Can't open serial port: %s (%d)\n",
strerror(errno), errno);
return -1;
}
tcflush(fd, TCIOFLUSH);
/* Switch tty to RAW mode */
cfmakeraw(&ti);
tcsetattr(fd, TCSANOW, &ti);
return fd;
}
static int open_socket(bdaddr_t *bdaddr, uint8_t channel)
{
struct sockaddr_rc addr;
int sk;
sk = socket(PF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM);
if (sk < 0) {
fprintf(stderr, "Can't create socket: %s (%d)\n",
strerror(errno), errno);
return -1;
}
memset(&addr, 0, sizeof(addr));
addr.rc_family = AF_BLUETOOTH;
bacpy(&addr.rc_bdaddr, BDADDR_ANY);
if (bind(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
fprintf(stderr, "Can't bind socket: %s (%d)\n",
strerror(errno), errno);
close(sk);
return -1;
}
memset(&addr, 0, sizeof(addr));
addr.rc_family = AF_BLUETOOTH;
bacpy(&addr.rc_bdaddr, bdaddr);
addr.rc_channel = channel;
if (connect(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
fprintf(stderr, "Can't connect: %s (%d)\n",
strerror(errno), errno);
close(sk);
return -1;
}
return sk;
}
static void usage(void)
{
printf("Usage:\n\tattest <device> | <bdaddr> [channel]\n");
}
int main(int argc, char *argv[])
{
int fd;
bdaddr_t bdaddr;
uint8_t channel;
switch (argc) {
case 2:
str2ba(argv[1], &bdaddr);
channel = 1;
break;
case 3:
str2ba(argv[1], &bdaddr);
channel = atoi(argv[2]);
break;
default:
usage();
exit(-1);
}
if (bacmp(BDADDR_ANY, &bdaddr)) {
printf("Connecting to %s on channel %d\n", argv[1], channel);
fd = open_socket(&bdaddr, channel);
} else {
printf("Opening device %s\n", argv[1]);
fd = open_device(argv[1]);
}
if (fd < 0)
exit(-2);
at_command(fd, "ATZ\r\n", 10000);
at_command(fd, "AT+CPBS=\"ME\"\r\n", 10000);
at_command(fd, "AT+CPBR=1,100\r\n", 100000);
close(fd);
return 0;
}
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