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/*
*
* BlueZ - Bluetooth protocol stack for Linux
*
* Copyright (C) 2004-2008 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 <stdint.h>
#include <string.h>
#include <getopt.h>
#include <usb.h>
#ifdef NEED_USB_GET_BUSSES
static inline struct usb_bus *usb_get_busses(void)
{
return usb_busses;
}
#endif
struct device_info;
struct device_id {
uint16_t vendor;
uint16_t product;
int (*func)(struct device_info *dev, int argc, char *argv[]);
};
struct device_info {
struct usb_device *dev;
struct device_id *id;
};
static int switch_babel(struct device_info *devinfo, int argc, char *argv[])
{
char buf[3];
struct usb_dev_handle *udev;
int err;
memset(buf, 0, sizeof(buf));
buf[0] = 0x00;
buf[1] = 0x06;
buf[2] = 0x00;
udev = usb_open(devinfo->dev);
if (!udev)
return -errno;
if (usb_claim_interface(udev, 0) < 0) {
err = -errno;
usb_close(udev);
return err;
}
err = usb_bulk_write(udev, 0x02, buf, sizeof(buf), 10000);
if (err == 0) {
err = -1;
errno = EALREADY;
} else {
if (errno == ETIMEDOUT)
err = 0;
}
usb_release_interface(udev, 0);
usb_close(udev);
return err;
}
static struct device_id device_list[] = {
{ 0x0a12, 0x0042, switch_babel },
{ -1 }
};
static struct device_id *match_device(uint16_t vendor, uint16_t product)
{
int i;
for (i = 0; device_list[i].func; i++) {
if (vendor == device_list[i].vendor &&
product == device_list[i].product)
return &device_list[i];
}
return NULL;
}
static int find_devices(struct device_info *devinfo, size_t size)
{
struct usb_bus *bus;
struct usb_device *dev;
struct device_id *id;
int count = 0;
usb_find_busses();
usb_find_devices();
for (bus = usb_get_busses(); bus; bus = bus->next)
for (dev = bus->devices; dev; dev = dev->next) {
id = match_device(dev->descriptor.idVendor,
dev->descriptor.idProduct);
if (!id)
continue;
if (count < size) {
devinfo[count].dev = dev;
devinfo[count].id = id;
count++;
}
}
return count;
}
static void usage(void)
{
printf("dfubabel - Babel DFU mode switching utility\n\n");
printf("Usage:\n"
"\tdfubabel [options]\n"
"\n");
printf("Options:\n"
"\t-h, --help Display help\n"
"\t-q, --quiet Don't display any messages\n"
"\n");
}
static struct option main_options[] = {
{ "help", 0, 0, 'h' },
{ "quiet", 0, 0, 'q' },
{ 0, 0, 0, 0 }
};
int main(int argc, char *argv[])
{
struct device_info dev[16];
int i, opt, num, quiet = 0;
while ((opt = getopt_long(argc, argv, "+qh", main_options, NULL)) != -1) {
switch (opt) {
case 'q':
quiet = 1;
break;
case 'h':
usage();
exit(0);
default:
exit(0);
}
}
argc -= optind;
argv += optind;
optind = 0;
usb_init();
num = find_devices(dev, sizeof(dev) / sizeof(dev[0]));
if (num <= 0) {
if (!quiet)
fprintf(stderr, "No Babel devices found\n");
exit(1);
}
for (i = 0; i < num; i++) {
struct device_id *id = dev[i].id;
int err;
if (!quiet)
printf("Switching device %04x:%04x ",
id->vendor, id->product);
fflush(stdout);
err = id->func(&dev[i], argc, argv);
if (err < 0) {
if (!quiet)
printf("failed (%s)\n", strerror(-err));
} else {
if (!quiet)
printf("was successful\n");
}
}
return 0;
}
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