mirror of
https://git.kernel.org/pub/scm/bluetooth/bluez.git
synced 2024-12-05 10:04:20 +08:00
212 lines
4.0 KiB
C
212 lines
4.0 KiB
C
/*
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*
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* BlueZ - Bluetooth protocol stack for Linux
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*
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* Copyright (C) 2004-2010 Marcel Holtmann <marcel@holtmann.org>
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stdio.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <stdint.h>
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#include <string.h>
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#include <getopt.h>
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#include <usb.h>
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#ifdef NEED_USB_GET_BUSSES
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static inline struct usb_bus *usb_get_busses(void)
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{
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return usb_busses;
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}
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#endif
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struct device_info;
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struct device_id {
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uint16_t vendor;
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uint16_t product;
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int (*func)(struct device_info *dev, int argc, char *argv[]);
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};
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struct device_info {
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struct usb_device *dev;
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struct device_id *id;
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};
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static int switch_babel(struct device_info *devinfo, int argc, char *argv[])
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{
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char buf[3];
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struct usb_dev_handle *udev;
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int err;
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memset(buf, 0, sizeof(buf));
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buf[0] = 0x00;
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buf[1] = 0x06;
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buf[2] = 0x00;
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udev = usb_open(devinfo->dev);
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if (!udev)
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return -errno;
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if (usb_claim_interface(udev, 0) < 0) {
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err = -errno;
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usb_close(udev);
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return err;
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}
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err = usb_bulk_write(udev, 0x02, buf, sizeof(buf), 10000);
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if (err == 0) {
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err = -1;
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errno = EALREADY;
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} else {
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if (errno == ETIMEDOUT)
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err = 0;
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}
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usb_release_interface(udev, 0);
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usb_close(udev);
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return err;
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}
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static struct device_id device_list[] = {
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{ 0x0a12, 0x0042, switch_babel },
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{ -1 }
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};
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static struct device_id *match_device(uint16_t vendor, uint16_t product)
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{
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int i;
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for (i = 0; device_list[i].func; i++) {
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if (vendor == device_list[i].vendor &&
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product == device_list[i].product)
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return &device_list[i];
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}
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return NULL;
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}
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static int find_devices(struct device_info *devinfo, size_t size)
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{
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struct usb_bus *bus;
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struct usb_device *dev;
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struct device_id *id;
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unsigned int count = 0;
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usb_find_busses();
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usb_find_devices();
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for (bus = usb_get_busses(); bus; bus = bus->next)
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for (dev = bus->devices; dev; dev = dev->next) {
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id = match_device(dev->descriptor.idVendor,
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dev->descriptor.idProduct);
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if (!id)
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continue;
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if (count < size) {
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devinfo[count].dev = dev;
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devinfo[count].id = id;
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count++;
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}
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}
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return count;
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}
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static void usage(void)
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{
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printf("dfubabel - Babel DFU mode switching utility\n\n");
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printf("Usage:\n"
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"\tdfubabel [options]\n"
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"\n");
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printf("Options:\n"
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"\t-h, --help Display help\n"
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"\t-q, --quiet Don't display any messages\n"
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"\n");
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}
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static struct option main_options[] = {
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{ "help", 0, 0, 'h' },
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{ "quiet", 0, 0, 'q' },
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{ 0, 0, 0, 0 }
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};
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int main(int argc, char *argv[])
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{
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struct device_info dev[16];
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int i, opt, num, quiet = 0;
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while ((opt = getopt_long(argc, argv, "+qh", main_options, NULL)) != -1) {
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switch (opt) {
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case 'q':
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quiet = 1;
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break;
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case 'h':
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usage();
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exit(0);
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default:
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exit(0);
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}
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}
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argc -= optind;
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argv += optind;
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optind = 0;
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usb_init();
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num = find_devices(dev, sizeof(dev) / sizeof(dev[0]));
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if (num <= 0) {
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if (!quiet)
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fprintf(stderr, "No Babel devices found\n");
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exit(1);
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}
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for (i = 0; i < num; i++) {
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struct device_id *id = dev[i].id;
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int err;
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if (!quiet)
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printf("Switching device %04x:%04x ",
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id->vendor, id->product);
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fflush(stdout);
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err = id->func(&dev[i], argc, argv);
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if (err < 0) {
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if (!quiet)
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printf("failed (%s)\n", strerror(-err));
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} else {
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if (!quiet)
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printf("was successful\n");
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}
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}
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return 0;
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}
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