/* * *  BlueZ - Bluetooth protocol stack for Linux * *  Copyright (C) 2001-2008  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;}