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authorMarcel Holtmann <marcel@holtmann.org>2007-09-07 19:38:57 +0000
committerMarcel Holtmann <marcel@holtmann.org>2007-09-07 19:38:57 +0000
commitc05d3bbdd321efc2d92ad99488ad8c54af43d61b (patch)
tree1751fce153b07bfb511da10aa0cee62fc635db25 /tools/dfubabel.c
parentdc6a67eda727b063558e9ae95b05ed16110a3108 (diff)
Add utility for Babel devices
Diffstat (limited to 'tools/dfubabel.c')
-rw-r--r--tools/dfubabel.c211
1 files changed, 211 insertions, 0 deletions
diff --git a/tools/dfubabel.c b/tools/dfubabel.c
new file mode 100644
index 00000000..ffcded90
--- /dev/null
+++ b/tools/dfubabel.c
@@ -0,0 +1,211 @@
+/*
+ *
+ * BlueZ - Bluetooth protocol stack for Linux
+ *
+ * Copyright (C) 2004-2007 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;
+}