Exemplo n.º 1
0
ssize_t
libusb_get_device_list(libusb_context *ctx, libusb_device ***list)
{
	struct libusb20_backend *usb_backend;
	struct libusb20_device *pdev;
	struct libusb_device *dev;
	int i;

	ctx = GET_CONTEXT(ctx);

	if (ctx == NULL)
		return (LIBUSB_ERROR_INVALID_PARAM);

	if (list == NULL)
		return (LIBUSB_ERROR_INVALID_PARAM);

	usb_backend = libusb20_be_alloc_default();
	if (usb_backend == NULL)
		return (LIBUSB_ERROR_NO_MEM);

	/* figure out how many USB devices are present */
	pdev = NULL;
	i = 0;
	while ((pdev = libusb20_be_device_foreach(usb_backend, pdev)))
		i++;

	/* allocate device pointer list */
	*list = malloc((i + 1) * sizeof(void *));
	if (*list == NULL) {
		libusb20_be_free(usb_backend);
		return (LIBUSB_ERROR_NO_MEM);
	}
	/* create libusb v1.0 compliant devices */
	i = 0;
	while ((pdev = libusb20_be_device_foreach(usb_backend, NULL))) {

		dev = malloc(sizeof(*dev));
		if (dev == NULL) {
			while (i != 0) {
				libusb_unref_device((*list)[i - 1]);
				i--;
			}
			free(*list);
			*list = NULL;
			libusb20_be_free(usb_backend);
			return (LIBUSB_ERROR_NO_MEM);
		}
		/* get device into libUSB v1.0 list */
		libusb20_be_dequeue_device(usb_backend, pdev);

		memset(dev, 0, sizeof(*dev));

		/* init transfer queues */
		TAILQ_INIT(&dev->tr_head);

		/* set context we belong to */
		dev->ctx = ctx;

		/* link together the two structures */
		dev->os_priv = pdev;
		pdev->privLuData = dev;

		(*list)[i] = libusb_ref_device(dev);
		i++;
	}
	(*list)[i] = NULL;

	libusb20_be_free(usb_backend);
	return (i);
}
Exemplo n.º 2
0
int
main(int argc, char **argv)
{
  unsigned int vid = UINT_MAX, pid = UINT_MAX; /* impossible VID:PID */
  int c;

  /*
   * Initialize setup struct.  This step is required, and initializes
   * internal fields in the struct.
   *
   * All the "public" fields are named exactly the way as the USB
   * standard describes them, namely:
   *
   *	setup.bmRequestType: bitmask, bit 7 is direction
   *	                              bits 6/5 is request type
   *	                                       (standard, class, vendor)
   *	                              bits 4..0 is recipient
   *	                                       (device, interface, endpoint,
   *	                                        other)
   *	setup.bRequest:      the request itself (see get_req() for standard
   *	                                         requests, or specific value)
   *	setup.wValue:        a 16-bit value
   *	setup.wIndex:        another 16-bit value
   *	setup.wLength:       length of associated data transfer, direction
   *	                     depends on bit 7 of bmRequestType
   */
  LIBUSB20_INIT(LIBUSB20_CONTROL_SETUP, &setup);

  while ((c = getopt(argc, argv, "i:p:v:")) != -1)
    switch (c)
      {
      case 'i':
	intr_ep = strtol(optarg, NULL, 0);
	break;

      case 'p':
	pid = strtol(optarg, NULL, 0);
	break;

      case 'v':
	vid = strtol(optarg, NULL, 0);
	break;

      default:
	usage();
	break;
      }
  argc -= optind;
  argv += optind;

  if (vid != UINT_MAX || pid != UINT_MAX)
    {
      if (intr_ep != 0 && (intr_ep & 0x80) == 0)
	{
	  fprintf(stderr, "Interrupt endpoint must be of type IN\n");
	  usage();
	}

      if (argc > 0)
	{
	  do_request = true;

	  int rv = parse_req(argc, argv);
	  if (rv < 0)
	    return EX_USAGE;
	  argc = rv;

	  if (argc > 0)
	    {
	      for (out_len = 0; argc > 0 && out_len < BUFLEN; out_len++, argc--)
		{
		  unsigned n = strtoul(argv[out_len], 0, 0);
		  if (n > 255)
		    fprintf(stderr,
			    "Warning: data #%d 0x%0x > 0xff, truncating\n",
			    out_len, n);
		  out_buf[out_len] = (uint8_t)n;
		}
	      out_len++;
	      if (argc > 0)
		fprintf(stderr,
			"Data count exceeds maximum of %d, ignoring %d elements\n",
			BUFLEN, optind);
	    }
	}
    }

  struct libusb20_backend *be;
  struct libusb20_device *dev;

  if ((be = libusb20_be_alloc_default()) == NULL)
    {
      perror("libusb20_be_alloc()");
      return 1;
    }

  dev = NULL;
  while ((dev = libusb20_be_device_foreach(be, dev)) != NULL)
    {
      struct LIBUSB20_DEVICE_DESC_DECODED *ddp =
      libusb20_dev_get_device_desc(dev);

      printf("Found device %s (VID:PID = 0x%04x:0x%04x)\n",
	     libusb20_dev_get_desc(dev),
	     ddp->idVendor, ddp->idProduct);

      if (ddp->idVendor == vid && ddp->idProduct == pid)
	doit(dev);
    }

  libusb20_be_free(be);
  return 0;
}
Exemplo n.º 3
0
int
usb_find_devices(void)
{
	struct libusb20_device *pdev;
	struct usb_device *udev;
	struct LIBUSB20_DEVICE_DESC_DECODED *ddesc;
	int devnum;
	int err;

	/* cleanup after last device search */
	/* close all opened devices, if any */

	while ((pdev = libusb20_be_device_foreach(usb_backend, NULL))) {
		udev = pdev->privLuData;
		libusb20_be_dequeue_device(usb_backend, pdev);
		libusb20_dev_free(pdev);
		if (udev != NULL) {
			LIST_DEL(usb_global_bus.devices, udev);
			free(udev);
		}
	}

	/* free old USB backend, if any */

	libusb20_be_free(usb_backend);

	/* do a new backend device search */
	usb_backend = libusb20_be_alloc_default();
	if (usb_backend == NULL) {
		return (-1);
	}
	/* iterate all devices */

	devnum = 1;
	pdev = NULL;
	while ((pdev = libusb20_be_device_foreach(usb_backend, pdev))) {
		udev = malloc(sizeof(*udev));
		if (udev == NULL)
			break;

		memset(udev, 0, sizeof(*udev));

		udev->bus = &usb_global_bus;

		snprintf(udev->filename, sizeof(udev->filename),
		    "/dev/ugen%u.%u",
		    libusb20_dev_get_bus_number(pdev),
		    libusb20_dev_get_address(pdev));

		ddesc = libusb20_dev_get_device_desc(pdev);

		udev->descriptor.bLength = sizeof(udev->descriptor);
		udev->descriptor.bDescriptorType = ddesc->bDescriptorType;
		udev->descriptor.bcdUSB = ddesc->bcdUSB;
		udev->descriptor.bDeviceClass = ddesc->bDeviceClass;
		udev->descriptor.bDeviceSubClass = ddesc->bDeviceSubClass;
		udev->descriptor.bDeviceProtocol = ddesc->bDeviceProtocol;
		udev->descriptor.bMaxPacketSize0 = ddesc->bMaxPacketSize0;
		udev->descriptor.idVendor = ddesc->idVendor;
		udev->descriptor.idProduct = ddesc->idProduct;
		udev->descriptor.bcdDevice = ddesc->bcdDevice;
		udev->descriptor.iManufacturer = ddesc->iManufacturer;
		udev->descriptor.iProduct = ddesc->iProduct;
		udev->descriptor.iSerialNumber = ddesc->iSerialNumber;
		udev->descriptor.bNumConfigurations =
		    ddesc->bNumConfigurations;
		if (udev->descriptor.bNumConfigurations > USB_MAXCONFIG) {
			/* truncate number of configurations */
			udev->descriptor.bNumConfigurations = USB_MAXCONFIG;
		}
		udev->devnum = devnum++;
		/* link together the two structures */
		udev->dev = pdev;
		pdev->privLuData = udev;

		err = libusb20_dev_open(pdev, 0);
		if (err == 0) {
			/* XXX get all config descriptors by default */
			usb_fetch_and_parse_descriptors((void *)pdev);
			libusb20_dev_close(pdev);
		}
		LIST_ADD(usb_global_bus.devices, udev);
	}

	return (devnum - 1);			/* success */
}
Exemplo n.º 4
0
int
main(int argc, char **argv)
{
  unsigned int vid = UINT_MAX, pid = UINT_MAX; /* impossible VID:PID */
  int c;

  while ((c = getopt(argc, argv, "i:o:p:v:")) != -1)
    switch (c)
      {
      case 'i':
	in_ep = strtol(optarg, NULL, 0);
	break;

      case 'o':
	out_ep = strtol(optarg, NULL, 0);
	break;

      case 'p':
	pid = strtol(optarg, NULL, 0);
	break;

      case 'v':
	vid = strtol(optarg, NULL, 0);
	break;

      default:
	usage();
	break;
      }
  argc -= optind;
  argv += optind;

  if (vid != UINT_MAX || pid != UINT_MAX)
    {
      if (in_ep == 0 || out_ep == 0)
	{
	  usage();
	}
      if ((in_ep & 0x80) == 0)
	{
	  fprintf(stderr, "IN_EP must have bit 7 set\n");
	  return (EX_USAGE);
	}

      if (argc > 0)
	{
	  for (out_len = 0; argc > 0 && out_len < BUFLEN; out_len++, argc--)
	    {
	      unsigned n = strtoul(argv[out_len], 0, 0);
	      if (n > 255)
		fprintf(stderr,
			"Warning: data #%d 0x%0x > 0xff, truncating\n",
			out_len, n);
	      out_buf[out_len] = (uint8_t)n;
	    }
	  out_len++;
	  if (argc > 0)
	    fprintf(stderr,
		    "Data count exceeds maximum of %d, ignoring %d elements\n",
		    BUFLEN, optind);
	}
    }

  struct libusb20_backend *be;
  struct libusb20_device *dev;

  if ((be = libusb20_be_alloc_default()) == NULL)
    {
      perror("libusb20_be_alloc()");
      return 1;
    }

  dev = NULL;
  while ((dev = libusb20_be_device_foreach(be, dev)) != NULL)
    {
      struct LIBUSB20_DEVICE_DESC_DECODED *ddp =
      libusb20_dev_get_device_desc(dev);

      printf("Found device %s (VID:PID = 0x%04x:0x%04x)\n",
	     libusb20_dev_get_desc(dev),
	     ddp->idVendor, ddp->idProduct);

      if (ddp->idVendor == vid && ddp->idProduct == pid)
	doit(dev);
    }

  libusb20_be_free(be);
  return 0;
}