Example #1
0
int init(void)
{
	struct usb_device *dev;

	dev = find_device();
	if (dev == NULL) {
		printf("not found\n");
		goto cleanup;
	}

	handle = usb_open(dev);
	if (handle == NULL)
		goto cleanup;

	usb_detach_kernel_driver_np(handle, 0);

	if (usb_set_configuration(handle, 1) < 0)
		goto cleanup;

	if (usb_claim_interface(handle, 0) < 0)
		goto cleanup;

//if (usb_set_altinterface(handle, 2) < 0)
	//goto cleanup;

	return 0;

 cleanup:
	assert(0);

	return 0;
}
Example #2
0
static usb_dev_handle *get_ir(void)
{
	static usb_dev_handle *ir = NULL;

	if (!ir) {
		usb_init();
		usb_find_busses();
		usb_find_devices();

		ir = find_ir();
		if (!ir) {
			fprintf(stderr, "IR receiver not found, quitting\n");
			exit(1);
		}

		/* interface is normally handled by hiddev */
		usb_detach_kernel_driver_np(ir, 0);
		if (usb_claim_interface(ir, 0)) {
			fprintf(stderr, "error claiming interface, are you root?\n");
			exit(2);
		}
		//usb_reset(ir);
		//usb_set_configuration(ir, 0);
	}

	return ir;
}
Example #3
0
static int open_interface(struct rf2500_transport *tr,
			  struct usb_device *dev, int ino)
{
	printc("Trying to open interface %d on %s\n", ino, dev->filename);

	tr->int_number = ino;

	tr->handle = usb_open(dev);
	if (!tr->handle) {
		pr_error("rf2500: can't open device");
		return -1;
	}

#if defined(__linux__)
	if (usb_detach_kernel_driver_np(tr->handle, tr->int_number) < 0)
		pr_error("rf2500: warning: can't "
			"detach kernel driver");
#endif

#ifdef WIN32
	if (usb_set_configuration(tr->handle, 1) < 0) {
		pr_error("rf2500: can't set configuration 1");
		usb_close(tr->handle);
		return -1;
	}
#endif

	if (usb_claim_interface(tr->handle, tr->int_number) < 0) {
		pr_error("rf2500: can't claim interface");
		usb_close(tr->handle);
		return -1;
	}

	return 0;
}
Example #4
0
int main(int argc, char **argv)
{
  usb_dev_handle      *handle = NULL;
  const unsigned char rawVid[2] = {USB_CFG_VENDOR_ID}, rawPid[2] = {USB_CFG_DEVICE_ID};
  char                vendor[] = {USB_CFG_VENDOR_NAME, 0}, product[] = {USB_CFG_DEVICE_NAME, 0};
  char                buffer[50] = "";
  unsigned char	      request;
  int                 vid, pid, nBytes;

  usb_init();

  if(argc < 2){   /* we need at least one argument */
    printf("Arguments Missing");
    exit(1);
  }

  request = atoi(argv[1]);

    /* compute VID/PID from usbconfig.h so that there is a central source of information */
  vid = rawVid[1] * 256 + rawVid[0];
  pid = rawPid[1] * 256 + rawPid[0];

    /* The following function is in opendevice.c: */
  if(usbOpenDevice(&handle, vid, vendor, pid, product, NULL, NULL, NULL) != 0){
    fprintf(stderr, "Could not find USB device \"%s\" with vid=0x%x pid=0x%x\n", product, vid, pid);
    exit(1);
  }

    /* Since we use only control endpoint 0, we don't need to choose a
     * configuration and interface. Reading device descriptor and setting a
     * configuration and interface is done through endpoint 0 after all.
     * However, newer versions of Linux require that we claim an interface
     * even for endpoint 0. Enable the following code if your operating system
     * needs it: */
#if 0
  int retries = 1, usbConfiguration = 1, usbInterface = 0;
  if(usb_set_configuration(handle, usbConfiguration) && showWarnings){
    fprintf(stderr, "Warning: could not set configuration: %s\n", usb_strerror());
  }
    /* now try to claim the interface and detach the kernel HID driver on
     * Linux and other operating systems which support the call. */
  while((len = usb_claim_interface(handle, usbInterface)) != 0 && retries-- > 0){
#ifdef LIBUSB_HAS_DETACH_KERNEL_DRIVER_NP
    if(usb_detach_kernel_driver_np(handle, 0) < 0 && showWarnings){
      fprintf(stderr, "Warning: could not detach kernel driver: %s\n", usb_strerror());
    }
#endif
  }
#endif


  nBytes = usb_control_msg(handle, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_ENDPOINT_OUT, request, 0, 0, (char *)buffer, sizeof(buffer), 5000);
				
  if(nBytes < 0)
    printf("error in USB control transfer: %s\n", usb_strerror());
				
  usb_close(handle);
  return 0;
}
Example #5
0
int detach_driver(struct usb_dev_handle *handle, int interface_number)
{
	int r;
	r = usb_detach_kernel_driver_np(handle, interface_number);
	r = usb_return(((r == -61)? 0 : r), "detach_driver: usb_detach_kernel_driver_np");
	
	return r;
}
Example #6
0
int
usbClaimInterface (UsbDevice *device, unsigned char interface) {
  UsbDeviceExtension *devx = device->extension;
  int detached = 0;
  int result;

  logMessage(LOG_CATEGORY(USB_IO), "claiming interface: %u", interface);

  while (1) {
    char driver[0X100];

    result = usb_claim_interface(devx->handle, interface);
    if (result >= 0) return 1;

    if (result != -EBUSY) break;
    if (detached) break;

#ifdef LIBUSB_HAS_GET_DRIVER_NP
    result = usb_get_driver_np(devx->handle, interface, driver, sizeof(driver));

    if (result < 0)
#endif /* LIBUSB_HAS_GET_DRIVER_NP */

    {
      strcpy(driver, "unknown");
    }

    logMessage(LOG_WARNING, "USB interface in use: %u (%s)", interface, driver);

    if (strcmp(driver, "usbfs") == 0) {
      result = -EBUSY;
      break;
    }

#ifdef LIBUSB_HAS_DETACH_KERNEL_DRIVER_NP
    logMessage(LOG_CATEGORY(USB_IO), "detaching kernel driver: %u (%s)",
               interface, driver);

    result = usb_detach_kernel_driver_np(devx->handle, interface);

    if (result >= 0) {
      logMessage(LOG_CATEGORY(USB_IO), "detached kernel driver: %u (%s)",
                 interface, driver);

      detached = 1;
      continue;
    }

    result = -EBUSY;
#endif /* LIBUSB_HAS_DETACH_KERNEL_DRIVER_NP */

    break;
  }

  errno = -result;
  logSystemError("USB interface claim");
  return 0;
}
Example #7
0
static int
gp_port_usb_open (GPPort *port)
{
	int ret;
	char name[64];

	gp_log (GP_LOG_DEBUG,"libusb","gp_port_usb_open()");
	if (!port || !port->pl->d)
		return GP_ERROR_BAD_PARAMETERS;

        /*
	 * Open the device using the previous usb_handle returned by
	 * find_device
	 */
	port->pl->dh = usb_open (port->pl->d);
	if (!port->pl->dh) {
		gp_port_set_error (port, _("Could not open USB device (%m)."));
		return GP_ERROR_IO;
	}
#if defined(LIBUSB_HAS_GET_DRIVER_NP) && defined(LIBUSB_HAS_DETACH_KERNEL_DRIVER_NP)
	memset(name,0,sizeof(name));
	ret = usb_get_driver_np (port->pl->dh, port->settings.usb.interface,
		name, sizeof(name)
	);
	if (strstr(name,"usbfs") || strstr(name,"storage")) {
		/* other gphoto instance most likely
		 * Also let mass storage be served by regular means.
		 */
		gp_port_set_error (port, _("Camera is already in use."));
		return GP_ERROR_IO_LOCK;
	}

	if (ret >= 0) {
		gp_log (GP_LOG_DEBUG,"libusb",_("Device has driver '%s' attached, detaching it now."), name);
		ret = usb_detach_kernel_driver_np (port->pl->dh, port->settings.usb.interface);
		if (ret < 0)
			gp_port_set_error (port, _("Could not detach kernel driver '%s' of camera device."),name);
		else
			port->pl->detached = 1;
	} else {
		if (errno != ENODATA) /* ENODATA - just no driver there */
			gp_port_set_error (port, _("Could not query kernel driver of device."));
	}
#endif

	gp_log (GP_LOG_DEBUG,"libusb","claiming interface %d", port->settings.usb.interface);
	ret = usb_claim_interface (port->pl->dh,
				   port->settings.usb.interface);
	if (ret < 0) {
		gp_port_set_error (port, _("Could not claim "
			"interface %d (%m). Make sure no other program "
			"or kernel module (such as %s) is using the device "
			"and you have read/write access to the device."),
			port->settings.usb.interface, "sdc2xx, stv680, spca50x");
		return GP_ERROR_IO_USB_CLAIM;
	}
	return GP_OK;
}
Example #8
0
usb_dev_handle *m4Init() {
  struct usb_bus *bus;
  struct usb_device *dev;

  usb_init();

  if (usb_find_busses() < 0) {
    return NULL;
  }

  if (usb_find_devices() < 0) {
    return NULL;
  }

  bus = usb_get_busses();

  while (bus) {
    dev = bus->devices;

    while (dev) {
      if (dev->descriptor.idVendor == VENDOR &&
          dev->descriptor.idProduct == PRODUCT) {
	usb_dev_handle *handle = usb_open(dev);

	if (handle) {
#ifdef LIBUSB_HAS_DETACH_KERNEL_DRIVER_NP
          /* Linux usually claims HID devices for its usbhid driver. */
          usb_detach_kernel_driver_np(handle, 0);
#endif
	  if (usb_set_configuration(handle, 1) >= 0) {
	    if (usb_claim_interface(handle, 0) >= 0) {
	      if (usb_set_altinterface(handle, 0) < 0) {
	        usb_close(handle);
		return NULL;
              }
	    } else {
	      usb_close(handle);
	      return NULL;
	    }
	  } else {
	    usb_close(handle);
	    return NULL;
	  }

	  return handle;
	}
      }

      dev = dev->next;
    }

    bus = bus->next;
  }

  return NULL;
}
Example #9
0
void
write_usb_device(struct usb_device* dev, int interface, int endpoint)
{
  struct usb_dev_handle* handle = usb_open(dev);
  if (!handle)
    {
      std::cout << "Error opening usb device" << std::endl;
    }
  else
    {
      if (usb_claim_interface(handle, interface) != 0)
        {
          std::cout << "Error claiming the interface: " << usb_strerror() << std::endl;
          if (usb_detach_kernel_driver_np(handle, interface) < 0)
            {
              std::cout << "Failure to kick kernel driver: " << usb_strerror() << std::endl;
              exit(EXIT_FAILURE);              
            }

          if (usb_claim_interface(handle, interface) != 0)
            {
              std::cout << "Error claiming the interface: " << usb_strerror() << std::endl;
              exit(EXIT_FAILURE);
            }
        }

      bool quit = false;

      while(!quit)
        {
          uint8_t data[32];
          
          if (1)
            {
              int ret = fread(data, sizeof(char), sizeof(data), stdin);

              std::cout << ret << std::endl;
              usb_interrupt_write(handle, endpoint, (char*)data, ret, 0);

            }
          else
            {
              int ret = sizeof(data);
              for(int i = 0; i < ret ; ++i)
                {
                  data[i] = int(127 * sin(float(i) / ret * M_PI*2)) + 127;
                  std::cout << ret << std::endl;
                }
              std::cout << ret << std::endl;
              usb_interrupt_write(handle, endpoint, (char*)data, ret, 0);

            }
        }
    }   
}
Example #10
0
int send_command(usb_dev_handle *handle, cmdstruct command ) {
    if (command.numCmds == 0) {
        printf( "send_command: Empty command provided! Not sending anything...\n");
        return 0;
    }

    int stat;
    stat = usb_detach_kernel_driver_np(handle, 0);
    if ((stat < 0 ) || verbose_flag) perror("Detach kernel driver");

    stat = usb_claim_interface( handle, 0 );
    if ( (stat < 0) || verbose_flag) perror("Claiming USB interface");

    int transferred = 0;

    // send all command strings provided in command
    int cmdCount;
    for (cmdCount=0; cmdCount < command.numCmds; cmdCount++) {
        if (verbose_flag) {
            char raw_string[255];
            print_cmd(raw_string, command.cmds[cmdCount]);
            printf("\tSending string:   \"%s\"\n", raw_string);
        }
        stat = usb_interrupt_write( handle, 1, (const char*)command.cmds[cmdCount], sizeof( command.cmds[cmdCount] ), TRANSFER_WAIT_TIMEOUT_MS );
        transferred = (stat>0)?stat:0;
        if ( (stat < 0) || verbose_flag) perror("Sending USB command");
    }

    /* In case the command just sent caused the device to switch from restricted mode to native mode
     * the following two commands will fail due to invalid device handle (because the device changed
     * its pid on the USB bus).
     * So it is not possible anymore to release the interface and re-attach kernel driver.
     * I am not sure if this produces a memory leak within libusb, but i do not think there is another
     * solution possible...
     */
    stat = usb_release_interface(handle, 0 );
/*FIXME:
    if (stat != usb_ERROR_NO_DEVICE) { // silently ignore "No such device" error due to reasons explained above.
        if ( (stat < 0) || verbose_flag) {
            perror("Releasing USB interface.");
        }
    }
*/

//FIXME: Not portable?!    stat = usb_attach_kernel_driver_np( handle, 0);
/*FIXME:
    if (stat != usb_ERROR_NO_DEVICE) { // silently ignore "No such device" error due to reasons explained above.
        if ( (stat < 0) || verbose_flag) {
            perror("Reattaching kernel driver");
        }
    }
*/
    return 0;
}
Example #11
0
static int open_interface(struct cp210x_transport *tr,
			  struct usb_device *dev, int ino,
			  int baud_rate)
{
#if defined(__linux__)
	int drv;
	char drName[256];
#endif

	printc_dbg(__FILE__": Trying to open interface %d on %s\n",
	       ino, dev->filename);

	tr->int_number = ino;

	tr->handle = usb_open(dev);
	if (!tr->handle) {
		pr_error(__FILE__": can't open device");
		return -1;
	}

#if defined(__linux__)
	drv = usb_get_driver_np(tr->handle, tr->int_number, drName,
				sizeof(drName));
	printc(__FILE__" : driver %d\n", drv);
	if (drv >= 0) {
		if (usb_detach_kernel_driver_np(tr->handle,
						tr->int_number) < 0)
			pr_error(__FILE__": warning: can't detach "
			       "kernel driver");
	}
#endif

#ifdef __Windows__
	if (usb_set_configuration(tr->handle, 1) < 0) {
		pr_error(__FILE__": can't set configuration 1");
		usb_close(tr->handle);
		return -1;
	}
#endif

	if (usb_claim_interface(tr->handle, tr->int_number) < 0) {
		pr_error(__FILE__": can't claim interface");
		usb_close(tr->handle);
		return -1;
	}

	if (configure_port(tr, baud_rate) < 0) {
		printc_err("Failed to configure for V1 device\n");
		usb_close(tr->handle);
		return -1;
	}

	return 0;
}
Example #12
0
/* USB::DevHandle#usb_detach_kernel_driver_np(interface) */
static VALUE
rusb_detach_kernel_driver_np(
  VALUE v,
  VALUE vinterface)
{
  usb_dev_handle *p = get_usb_devhandle(v);
  int interface = NUM2INT(vinterface);
  int ret;
  ret = usb_detach_kernel_driver_np(p, interface);
  check_usb_error("usb_detach_kernel_driver_np", ret);
  return Qnil;
}
Example #13
0
usb_dev_handle * open_usb_device(int vid, int pid)
{
	struct usb_bus *bus;
	struct usb_device *dev;
	usb_dev_handle *h;
	char buf[128];
	int r;

	usb_init();
	usb_find_busses();
	usb_find_devices();
	//printf_verbose("\nSearching for USB device:\n");
	for (bus = usb_get_busses(); bus; bus = bus->next) {
		for (dev = bus->devices; dev; dev = dev->next) {
			//printf_verbose("bus \"%s\", device \"%s\" vid=%04X, pid=%04X\n",
			//	bus->dirname, dev->filename,
			//	dev->descriptor.idVendor,
			//	dev->descriptor.idProduct
			//);
			if (dev->descriptor.idVendor != vid) continue;
			if (dev->descriptor.idProduct != pid) continue;
			h = usb_open(dev);
			if (!h) {
				printf_verbose("Found device but unable to open");
				continue;
			}
			#ifdef LIBUSB_HAS_GET_DRIVER_NP
			r = usb_get_driver_np(h, 0, buf, sizeof(buf));
			if (r >= 0) {
				r = usb_detach_kernel_driver_np(h, 0);
				if (r < 0) {
					usb_close(h);
					printf_verbose("Device is in use by \"%s\" driver", buf);
					continue;
				}
			}
			#endif
			// Mac OS-X - removing this call to usb_claim_interface() might allow
			// this to work, even though it is a clear misuse of the libusb API.
			// normally Apple's IOKit should be used on Mac OS-X
			r = usb_claim_interface(h, 0);
			if (r < 0) {
				usb_close(h);
				printf_verbose("Unable to claim interface, check USB permissions");
				continue;
			}
			return h;
		}
	}
	return NULL;
}
Example #14
0
/*
 * detaches the kernel from a particular USB interface.  The kernel tends to
 * claim HID devices it recognises, so if you want to utilitize the device
 * directly through libusb you must first detach the kernel.  This stop the
 * device from acting like a regular linux mouse or keyboard and let you utilize
 * it directly
 */
VALUE interface_detach_kernel(VALUE self)
{
  if(interface_is_claimable(self) == Qtrue) return Qnil;

  struct usb_interface_descriptor* interface;
  Data_Get_Struct(self, struct usb_interface_descriptor, interface);
  ENSURE_OPEN_BEGIN(rb_iv_get(self, "@device"));
  int result = usb_detach_kernel_driver_np(handle, interface->bInterfaceNumber);
  ENSURE_OPEN_END;
  if(result < 0) {
    raise_usb_error();
  }
  return Qnil;
}
void *_ykusb_open_device(int vendor_id, int *product_ids, size_t pids_len)
{
	struct usb_bus *bus;
	struct usb_device *yk_device;
	struct usb_dev_handle *h = NULL;
	int rc = YK_EUSBERR;
	int found = 0;

	for (bus = usb_get_busses(); bus; bus = bus->next) {
		struct usb_device *dev;
		rc = YK_ENOKEY;
		for (dev = bus->devices; dev; dev = dev->next) {
			if (dev->descriptor.idVendor == vendor_id) {
				size_t j;
				for (j = 0; j < pids_len; j++) {
					if (dev->descriptor.idProduct == product_ids[j]) {
						if(found == 0) {
							yk_device = dev;
							found = 1;
							break;
						} else {
							rc = YK_EMORETHANONE;
							goto done;
						}
					}
				}
			}
		}
	}
	if(found == 1) {
		rc = YK_EUSBERR;
		h = usb_open(yk_device);
#ifdef LIBUSB_HAS_DETACH_KERNEL_DRIVER_NP
		if (h != NULL)
			usb_detach_kernel_driver_np(h, 0);
#endif
		/* This is needed for yubikey-personalization to work inside virtualbox virtualization. */
		if (h != NULL)
			usb_set_configuration(h, 1);
		goto done;
	}
 done:
	if (h == NULL)
		yk_errno = rc;
	return h;
}
Example #16
0
static int handle_device(int dev_id)
{
  int r, i;
  struct usb_device *dev = g_devices[dev_id].usb_dev;
  usb_dev_handle *hdev = g_devices[dev_id].hdev;

  usb_detach_kernel_driver_np(hdev, 0);
  
  if( 0 != (r = usb_set_configuration(hdev, dev->config[0].bConfigurationValue)) )
  {
    printf("usb_set_configuration returns %d (%s)\n", r, usb_strerror());
    return -1;
  }

  if((r = usb_claim_interface(hdev, 0)) < 0)
  {
    printf("Interface cannot be claimed: %d\n", r);
    return r;
  }

  int nep = dev->config->interface->altsetting->bNumEndpoints;
  for(i=0; i<nep; i++)
  {
    int ep = dev->config->interface->altsetting->endpoint[i].bEndpointAddress;
    if(ep&(1<<7))
      g_devices[dev_id].epin = ep;
    else
      g_devices[dev_id].epout = ep;
  }

  // Set baudrate
  int baudrate = 250000;
  r = usb_control_msg(hdev, USB_TYPE_VENDOR | USB_RECIP_INTERFACE | USB_ENDPOINT_OUT, 
                      CP210X_IFC_ENABLE, UART_ENABLE, 0, NULL, 0, 500);
  r = usb_control_msg(hdev, USB_TYPE_VENDOR | USB_RECIP_INTERFACE | USB_ENDPOINT_OUT, 
                      CP210X_SET_BAUDRATE, 0, 0, (char *)&baudrate, sizeof(baudrate), 500);
  r = usb_control_msg(hdev, USB_TYPE_VENDOR | USB_RECIP_INTERFACE | USB_ENDPOINT_OUT, 
                      CP210X_IFC_ENABLE, UART_DISABLE, 0, NULL, 0, 500);
  
// read/write main loop
  io_loop(dev_id);
 
  usb_release_interface(hdev, 0);
  return 0;
}
Example #17
0
int main(int argc, char **argv)
{
	unsigned int count = 0U, removed = 0U;
	struct usb_bus *bus;
	struct usb_device *dev;
	static usb_dev_handle *handle;
	char name[256];

	usb_init();
	usb_find_busses();
	usb_find_devices();

	for (bus = usb_get_busses(); bus != NULL; bus = bus->next) {
		for (dev = bus->devices; dev != NULL; dev = dev->next) {
			if (dev->descriptor.idVendor == C108_VENDOR_ID &&
			   (dev->descriptor.idProduct == C108_PRODUCT_ID   ||
			    dev->descriptor.idProduct == C108AH_PRODUCT_ID ||
			    dev->descriptor.idProduct == C119_PRODUCT_ID)) {
				count++;
				if ((handle = usb_open(dev)) == NULL) {
					fprintf(stderr, "rmuridrv: cannot open the USB device: %s\n", usb_strerror());
					continue;
				}

				memset(name, 0, 256);
				if (usb_get_driver_np(handle, CM108_INTERFACE, name, 256) == 0) {
					if (strcmp(name, "usbhid") == 0) {
						if (usb_detach_kernel_driver_np(handle, CM108_INTERFACE) == 0)
							removed++;
						else
							fprintf(stderr, "rmuridrv: could not disconnect from usbhid: %s\n", usb_strerror());
					}
				}

				usb_close(handle);
			}
		}
	}

	fprintf(stdout, "rmuridrv: found %u CM108 devices and removed %u from the usbhid driver\n", count, removed);

	return 0;
}
Example #18
0
void
read_usb_device(struct usb_device* dev, int interface, int endpoint)
{
  struct usb_dev_handle* handle = usb_open(dev);
  if (!handle)
    {
      std::cout << "Error opening usb device" << std::endl;
    }
  else
    {
      if (usb_claim_interface(handle, interface) != 0)
        {
          std::cout << "Error claiming the interface: " << usb_strerror() << std::endl;
          if (usb_detach_kernel_driver_np(handle, interface) < 0)
            {
              std::cout << "Failure to kick kernel driver: " << usb_strerror() << std::endl;
              exit(EXIT_FAILURE);              
            }

          if (usb_claim_interface(handle, interface) != 0)
            {
              std::cout << "Error claiming the interface: " << usb_strerror() << std::endl;
              exit(EXIT_FAILURE);
            }
        }

      bool quit = false;

      while(!quit)
        {
          uint8_t data[8192];
          int ret = usb_interrupt_read(handle, endpoint, (char*)data, sizeof(data), 0);
          if (ret < 0)
            {
              std::cerr << "USBError: " << ret << "\n" << usb_strerror() << std::endl;
              std::cerr << "Shutting down" << std::endl;
              quit = true;
            }

          fwrite(data, sizeof(char), ret, stdout);
        }
    }  
}
Example #19
0
static int open_device(struct bslhid_transport *tr, struct usb_device *dev)
{
	if (find_interface(tr, dev) < 0)
		return -1;

	printc_dbg("Opening interface %d (config %d)...\n",
		   tr->int_number, tr->cfg_number);

	if (find_endpoints(tr, dev) < 0)
		return -1;

	printc_dbg("Found endpoints: IN: 0x%02x, OUT: 0x%02x\n",
		   tr->in_ep, tr->out_ep);

	tr->handle = usb_open(dev);
	if (!tr->handle) {
		pr_error("bslhid: can't open device");
		return -1;
	}

#ifdef __Windows__
	if (usb_set_configuration(tr->handle, tr->cfg_number) < 0)
		pr_error("warning: bslhid: can't set configuration");
#endif

#ifdef __linux__
	if (usb_detach_kernel_driver_np(tr->handle, tr->int_number) < 0)
		pr_error("warning: bslhid: can't detach kernel driver");
#endif

	if (usb_claim_interface(tr->handle, tr->int_number) < 0) {
		pr_error("bslhid: can't claim interface");
		usb_close(tr->handle);
		return -1;
	}

	/* Save the bus path for a future suspend/resume */
	strncpy(tr->bus_name, dev->bus->dirname, sizeof(tr->bus_name));
	tr->bus_name[sizeof(tr->bus_name) - 1] = 0;

	return 0;
}
Example #20
0
MyDriver::MyDriver() {
	const unsigned char rawVid[2] = {USB_CFG_VENDOR_ID}, rawPid[2] = {USB_CFG_DEVICE_ID};
	char vendor[] = {USB_CFG_VENDOR_NAME, 0}, product[] = {USB_CFG_DEVICE_NAME, 0};
	int vid, pid;

	handle=NULL;

	usb_init();

	// compute VID/PID from usbconfig.h so that there is a central source of information
	vid = rawVid[1] * 256 + rawVid[0];
	pid = rawPid[1] * 256 + rawPid[0];

	// The following function is in opendevice.c: */
	if(usbOpenDevice(&handle, vid, vendor, pid, product, NULL, NULL, NULL) != 0){
		fprintf(stderr, "Could not find USB device \"%s\" with vid=0x%x pid=0x%x\n", product, vid, pid);
	    exit(1);
	}

	// Since we use only control endpoint 0, we don't need to choose a
	// configuration and interface. Reading device descriptor and setting a
	// configuration and interface is done through endpoint 0 after all.
	// However, newer versions of Linux require that we claim an interface
	// even for endpoint 0. Enable the following code if your operating system
	// needs it
#if 0
	int retries = 1, usbConfiguration = 1, usbInterface = 0;
	if(usb_set_configuration(handle, usbConfiguration) && showWarnings){
		fprintf(stderr, "Warning: could not set configuration: %s\n", usb_strerror());
	}
	// now try to claim the interface and detach the kernel HID driver on
	// Linux and other operating systems which support the call.
	while((len = usb_claim_interface(handle, usbInterface)) != 0 && retries-- > 0){
#ifdef LIBUSB_HAS_DETACH_KERNEL_DRIVER_NP
		if(usb_detach_kernel_driver_np(handle, 0) < 0 && showWarnings){
			fprintf(stderr, "Warning: could not detach kernel driver: %s\n", usb_strerror());
		}
#endif
	}
#endif
}
Example #21
0
int main(void){
//	printf("SizeOF %ld\n", sizeof(struct usb_dev_handle*));
    libusb_init();
    libusb_set_debug(2);
    libusb_find_busses();
    libusb_find_devices();


	struct usb_dev_handle* green = malloc(256);
	green = get_green(bus, dev);
	printf("Detach: %d\n", usb_detach_kernel_driver_np(green, 0));
	printf("Halt: %d\n", usb_clear_halt(green, 0x81));
	printf("Interface: %d\n", usb_claim_interface(green, 0));


	libusb_alloc_transfer(0);
	   
//	printf("Buffer: %x\n", buffer);

	return 0;
}
Example #22
0
void usb_detach(usb_dev_handle *lvr_winusb, int iInterface) {
        int ret;
 
	ret = usb_detach_kernel_driver_np(lvr_winusb, iInterface);
	if(ret) {
		if(errno == ENODATA) {
			if(debug) {
				printf("Device already detached\n");
			}
		} else {
			if(debug) {
				printf("Detach failed: %s[%d]\n",
				       strerror(errno), errno);
				printf("Continuing anyway\n");
			}
		}
	} else {
		if(debug) {
			printf("detach successful\n");
		}
	}
} 
Example #23
0
void process_device(int argc, char **argv, struct usb_device *dev,
		    struct usb_config_descriptor *cfg, int itfnum) {
  int mac[6];

  usb_dev_handle *devh = usb_open(dev);
  if ( ! devh ) fatal("usb_open");

  usb_detach_kernel_driver_np(devh, itfnum);

  int res = usb_claim_interface(devh, itfnum);
  if ( res < 0 ) fatal("usb_claim_interface");

  show_master(devh, itfnum);

  if ( argc >= 2 ) {
    if ( sscanf(argv[1], "%x:%x:%x:%x:%x:%x",
		&mac[0],&mac[1],&mac[2],&mac[3],&mac[4],&mac[5]) != 6 ) {

      printf("usage: %s [<bd_addr of master>]\n", argv[0]);
      exit(1);
    }
  } else {
    FILE *f = popen("hcitool dev", "r");
    if ( !f ||
	 fscanf(f, "%*s\n%*s %x:%x:%x:%x:%x:%x",
		&mac[0],&mac[1],&mac[2],&mac[3],&mac[4],&mac[5]) != 6 ) {
      printf("Unable to retrieve local bd_addr from `hcitool dev`.\n");
      printf("Please enable Bluetooth or specify an address manually.\n");
      exit(1);
    }
    pclose(f);
  }
    
  set_master(devh, itfnum, mac);

  usb_reset(devh);
  usb_release_interface(devh, itfnum);
  usb_close(devh);
}
void *_ykusb_open_device(int vendor_id, int product_id)
{
	struct usb_bus *bus;
	struct usb_device *dev;
	struct usb_dev_handle *h = NULL;
	int rc = YK_EUSBERR;

	for (bus = usb_get_busses(); bus; bus = bus->next) {
		rc = YK_ENOKEY;
		for (dev = bus->devices; dev; dev = dev->next)
			if (dev->descriptor.idVendor == YUBICO_VID
			    && dev->descriptor.idProduct == YUBIKEY_PID) {
				rc = YK_EUSBERR;
				h = usb_open(dev);
				if (h != NULL)
					usb_detach_kernel_driver_np(h, 0);
				goto done;
			}
	}
 done:
	if (h == NULL)
		yk_errno = rc;
	return h;
}
Example #25
0
usb_dev_handle* OpenProxmark(int verbose)
{
  int ret;
  usb_dev_handle *handle = NULL;
  unsigned int iface;

  handle = findProxmark(verbose, &iface);
  if (!handle)
    return NULL;

#ifdef __linux__
  /* detach kernel driver first */
  ret = usb_detach_kernel_driver_np(handle, iface);
  /* don't complain if no driver attached */
  if (ret<0 && ret != -61 && verbose)
    fprintf(stderr, "detach kernel driver failed: (%d) %s!\n", ret, usb_strerror());
#endif

  // Needed for Windows. Optional for Mac OS and Linux
  ret = usb_set_configuration(handle, 1);
  if (ret < 0) {
    if (verbose)
      fprintf(stderr, "configuration set failed: %s!\n", usb_strerror());
    return NULL;
  }

  ret = usb_claim_interface(handle, iface);
  if (ret < 0) {
    if (verbose)
      fprintf(stderr, "claim failed: %s!\n", usb_strerror());
    return NULL;
  }
  claimed_iface = iface;
  devh = handle;
  return handle;
}
Example #26
0
usb_dev_handle* setup_libusb_access() {
     usb_dev_handle *lvr_winusb;
     usb_set_debug(0);
     usb_init();
     usb_find_busses();
     usb_find_devices();

     if(!(lvr_winusb = find_lvr_winusb())) {
                return NULL;
        }
/* 
Linux*/
usb_detach_kernel_driver_np(lvr_winusb,0);
        if (usb_set_configuration(lvr_winusb, 1) < 0) {
                printf("Could not set configuration 1 : \n");
                return NULL;
        }
 
        if (usb_claim_interface(lvr_winusb, INTFACE) < 0) {
                printf("Could not claim interface: \n");
                return NULL;
        }
        return lvr_winusb;
 }
Example #27
0
static int drv_MOGX_open(void)
{
    struct usb_bus *busses, *bus;
    struct usb_device *dev;
    char driver[1024];
    char product[1024];
    char manufacturer[1024];
    char serialnumber[1024];
    int ret;

    lcd_dev = NULL;

    info("%s: scanning for Matrix Orbital GX Series LCD...", Name);

    usb_set_debug(0);

    usb_init();
    usb_find_busses();
    usb_find_devices();
    busses = usb_get_busses();

    for (bus = busses; bus; bus = bus->next) {
	for (dev = bus->devices; dev; dev = dev->next) {
	    if ((dev->descriptor.idVendor == MatrixOrbitalGX_VENDOR) &&
		((dev->descriptor.idProduct == MatrixOrbitalGX_DEVICE_1) ||
		 (dev->descriptor.idProduct == MatrixOrbitalGX_DEVICE_2) ||
		 (dev->descriptor.idProduct == MatrixOrbitalGX_DEVICE_3))) {

		/* At the moment, I have information for only this LCD */
		if (dev->descriptor.idProduct == MatrixOrbitalGX_DEVICE_2)
		    backlight_RGB = 0;

		info("%s: found Matrix Orbital GX Series LCD on bus %s device %s", Name, bus->dirname, dev->filename);

		lcd_dev = usb_open(dev);

		ret = usb_get_driver_np(lcd_dev, 0, driver, sizeof(driver));

		if (ret == 0) {
		    info("%s: interface 0 already claimed by '%s'", Name, driver);
		    info("%s: attempting to detach driver...", Name);
		    if (usb_detach_kernel_driver_np(lcd_dev, 0) < 0) {
			error("%s: usb_detach_kernel_driver_np() failed!", Name);
			return -1;
		    }
		}

		usb_set_configuration(lcd_dev, 1);
		usleep(100);

		if (usb_claim_interface(lcd_dev, 0) < 0) {
		    error("%s: usb_claim_interface() failed!", Name);
		    return -1;
		}

		usb_set_altinterface(lcd_dev, 0);

		usb_get_string_simple(lcd_dev, dev->descriptor.iProduct, product, sizeof(product));
		usb_get_string_simple(lcd_dev, dev->descriptor.iManufacturer, manufacturer, sizeof(manufacturer));
		usb_get_string_simple(lcd_dev, dev->descriptor.iSerialNumber, serialnumber, sizeof(serialnumber));

		info("%s: Manufacturer='%s' Product='%s' SerialNumber='%s'", Name, manufacturer, product, serialnumber);

		return 0;
	    }
	}
    }
    error("%s: could not find a Matrix Orbital GX Series LCD", Name);
    return -1;
}
Example #28
0
File: test.c Project: axlrose/cells
int main(int argc, char *argv[])
{
	struct usb_bus *bus;
	struct usb_device *dev, *mydev;
	usb_dev_handle *handle;
	unsigned char bytes[64];
	int ret;
	int i; 

	for (ret = 0; ret < 64; ret++) {
		 bytes[ret] = 0;
	}

	bytes[0] = 0; 
	bytes[1] = 0; 
	bytes[2] = 0; 
	bytes[3] = 0; 
	bytes[4] = 0; 
	bytes[5] = 0; 
	bytes[6] = 0x01; 
	bytes[7] = 0xbb; 

	usb_init();
	usb_find_busses();
	usb_find_devices();

	for (bus = usb_busses; bus; bus = bus->next) {
		for (dev = bus->devices; dev; dev = dev->next) {
			if (dev->descriptor.idVendor == 0x1130 && dev->descriptor.idProduct == 0x6807) {
				printf("find my device\n");
				mydev = dev;
				break;
			}
		}
	}

	handle = usb_open(mydev);
	printf("handle = %d\n", handle);

	//usb_get_driver_np(handle, 0, bytes, 64); 
	//fprintf(stderr,  "return usb_get_driver name is %s\n",  bytes); 

#if 1
	ret = usb_detach_kernel_driver_np(handle, 1); 
	fprintf(stderr,  "usb_detach_kernel_driver_np return %d\n",  ret); 
	ret = usb_claim_interface(handle, 1);
	printf("claim interface return %d\n",  ret); 
#endif
	
#if 1
	ret = usb_detach_kernel_driver_np(handle, 0); 
	fprintf(stderr,  "return usb_detach_kernel_driver_np is %d\n",  ret); 
	ret = usb_claim_interface(handle, 0);
	printf("claim interface return %d\n",  ret); 
#endif

	ret = usb_control_msg(handle, 0x21, 0x09,
	0x0200, 1, bytes, 0x0008, 1000);
	printf("usb_control_msg return %d\n",  ret); 

	sleep(1); 
	ret = usb_interrupt_read(handle, 3, bytes, 64,  1000); 
	printf("usb_interrupt_read return %d\n",  ret); 
	for (i = 0;  i < 64;  i++) {
		printf("0x%02x ", bytes[i]); 
	}
	printf("\n"); 

	usb_release_interface(handle, 0); 
	usb_release_interface(handle, 1); 
	usb_close(handle); 
	return 0;
}
Example #29
0
/**
 * API: Initialize glcd2usb connection type.
 */
int
glcd2usb_init(Driver *drvthis)
{
	PrivateData *p = (PrivateData *)drvthis->private_data;
	CT_glcd2usb_data *ctd;

	static int didUsbInit = 0;
	struct usb_bus *bus;
	struct usb_device *dev;
	usb_dev_handle *handle = NULL;
	int err = 0;
	int rval, retries = 3;
	int len;

	/* Set up connection type low-level functions */
	p->glcd_functions->blit = glcd2usb_blit;
	p->glcd_functions->close = glcd2usb_close;
	p->glcd_functions->set_backlight = glcd2usb_backlight;
	p->glcd_functions->poll_keys = glcd2usb_poll_keys;

	/* Allocate memory structures */
	ctd = (CT_glcd2usb_data *) calloc(1, sizeof(CT_glcd2usb_data));
	if (ctd == NULL) {
		report(RPT_ERR, "%s/glcd2usb: error allocating connection data", drvthis->name);
		return -1;
	}
	p->ct_data = ctd;

	/*
	 * Try to find and open a device. Only the first device found will be
	 * recognized.
	 */
	if (!didUsbInit) {
		usb_init();
		didUsbInit = 1;
	}

	usb_find_busses();
	usb_find_devices();

	for (bus = usb_get_busses(); bus != NULL; bus = bus->next) {
		for (dev = bus->devices; dev != NULL; dev = dev->next) {

			if (dev->descriptor.idVendor == GLCD2USB_VID
			    && dev->descriptor.idProduct == GLCD2USB_PID) {

				handle = usb_open(dev);
				if (!handle) {
					report(RPT_WARNING, "%s/glcd2usb: cannot open USB device: %s",
					       drvthis->name, usb_strerror());
					continue;
				}
				else {
					goto found_dev;
				}
			}
		}
	}

found_dev:
	if (handle) {
		debug(RPT_DEBUG, "%s/glcd2usb: opening device succeeded", drvthis->name);
	}
	else {
		report(RPT_ERR, "%s/glcd2usb: no GLCD2USB device found", drvthis->name);
		goto err_out;
	}

	if (usb_set_configuration(handle, 1))
		report(RPT_WARNING, "%s/glcd2usb: could not set configuration: %s",
		       drvthis->name, usb_strerror());

	/*
	 * now try to claim the interface and detach the kernel HID driver on
	 * Linux and other operating systems which support the call.
	 */
	while ((rval = usb_claim_interface(handle, 0)) != 0 && retries-- > 0) {
#ifdef LIBUSB_HAS_DETACH_KERNEL_DRIVER_NP
		if (usb_detach_kernel_driver_np(handle, 0) < 0) {
			report(RPT_WARNING, "%s/glcd2usb: could not detach kernel HID driver: %s",
			       drvthis->name, usb_strerror());
		}
#endif
	}
	if (rval != 0)
		report(RPT_WARNING, "%s/glcd2usb: could not claim interface", drvthis->name);

	/*
	 * Continue anyway, even if we could not claim the interface. Control
	 * transfers should still work.
	 */
	ctd->device = handle;

	/* Query device */
	memset(&(ctd->tx_buffer), 0, sizeof(ctd->tx_buffer));
	len = sizeof(display_info_t);

	if ((err = usbGetReport(ctd->device, USB_HID_REPORT_TYPE_FEATURE, GLCD2USB_RID_GET_INFO, ctd->tx_buffer.bytes, &len)) != 0) {
		report(RPT_ERR, "%s/glcd2usb: query display parameters: %s",
		       drvthis->name, usbErrorMessage(err));
		goto err_out;
	}

	if (len < (int)sizeof(ctd->tx_buffer.display_info)) {
		report(RPT_ERR, "%s/glcd2usb: incomplete display info report (%d instead of %d)",
		       drvthis->name, len, (int)sizeof(ctd->tx_buffer.display_info));
		goto err_out;
	}

	if (!(ctd->tx_buffer.display_info.flags & FLAG_VERTICAL_UNITS)) {
		report(RPT_ERR, "%s/glcd2usb: unsupported display layout", drvthis->name);
		goto err_out;
	}

	if (ctd->tx_buffer.display_info.width > GLCD_MAX_WIDTH
	    || ctd->tx_buffer.display_info.width <= 0
	    || ctd->tx_buffer.display_info.height > GLCD_MAX_HEIGHT
	    || ctd->tx_buffer.display_info.height <= 0) {
		report(RPT_ERR, "%s/glcd2usb: display size out of range: %dx%d",
		       drvthis->name, ctd->tx_buffer.display_info.width,
		       ctd->tx_buffer.display_info.height);
		goto err_out;
	}
	p->framebuf.layout = FB_TYPE_VPAGED;
	p->framebuf.px_width = ctd->tx_buffer.display_info.width;
	p->framebuf.px_height = ctd->tx_buffer.display_info.height;
	p->framebuf.size = (p->framebuf.px_height + 7) / 8 * p->framebuf.px_width;
	report(RPT_INFO, "%s/glcd2usb: using display size %dx%d", drvthis->name,
	       ctd->tx_buffer.display_info.width, ctd->tx_buffer.display_info.height);

	ctd->paged_buffer = malloc(p->framebuf.size);
	if (ctd->paged_buffer == NULL) {
		report(RPT_ERR, "%s/glcd2usb: cannot allocate memory", drvthis->name);
		goto err_out;
	}
	memset(ctd->paged_buffer, 0x55, p->framebuf.size);

	ctd->dirty_buffer = malloc(p->framebuf.size);
	if (ctd->dirty_buffer == NULL) {
		report(RPT_ERR, "%s/glcd2usb: cannot allocate memory", drvthis->name);
		goto err_out;
	}

	/* Allocate the display (turn off the 'whirl') */
	ctd->tx_buffer.bytes[0] = GLCD2USB_RID_SET_ALLOC;
	ctd->tx_buffer.bytes[1] = 1;
	if ((err = usbSetReport(ctd->device, USB_HID_REPORT_TYPE_FEATURE, ctd->tx_buffer.bytes, 2)) != 0) {
		report(RPT_ERR, "%s/glcd2usb: Error allocating display: %s",
		       drvthis->name, usbErrorMessage(err));
		goto err_out;
	}

	return 0;

err_out:
	glcd2usb_close(p);
	return -1;
}
Example #30
-1
static int switch_dell(struct device_info *devinfo)
{
	char report[] = { 0x7f, 0x13, 0x00, 0x00 };

	struct usb_dev_handle *handle;
	int err;

	handle = usb_open(devinfo->dev);
	if (handle) {
		usb_claim_interface(handle, 0);
		usb_detach_kernel_driver_np(handle, 0);
	}

	err = usb_control_msg(handle,
			USB_ENDPOINT_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE,
			0x09, 0x7f | (0x03 << 8), 0,
			report, sizeof(report), 10000);

	if (err == 0) {
		err = -1;
		errno = EALREADY;
	} else {
		if (errno == ETIMEDOUT)
			err = 0;
	}

	usb_close(handle);

	return err;
}