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-rw-r--r--usb/driver/get_status.c74
1 files changed, 74 insertions, 0 deletions
diff --git a/usb/driver/get_status.c b/usb/driver/get_status.c
new file mode 100644
index 0000000..2e77f91
--- /dev/null
+++ b/usb/driver/get_status.c
@@ -0,0 +1,74 @@
+/* libusb-win32, Generic Windows USB Library
+ * Copyright (c) 2002-2005 Stephan Meyer <ste_meyer@web.de>
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+
+#include "libusb_driver.h"
+
+
+
+NTSTATUS get_status(libusb_device_t *dev, int recipient,
+ int index, char *status, int *ret, int timeout)
+{
+ NTSTATUS _status = STATUS_SUCCESS;
+ URB urb;
+
+ USBMSG("recipient: %02d index: %04d timeout: %d\n",
+ recipient, index, timeout);
+
+ memset(&urb, 0, sizeof(URB));
+
+ switch (recipient)
+ {
+ case USB_RECIP_DEVICE:
+ urb.UrbHeader.Function = URB_FUNCTION_GET_STATUS_FROM_DEVICE;
+ break;
+ case USB_RECIP_INTERFACE:
+ urb.UrbHeader.Function = URB_FUNCTION_GET_STATUS_FROM_INTERFACE;
+ break;
+ case USB_RECIP_ENDPOINT:
+ urb.UrbHeader.Function = URB_FUNCTION_GET_STATUS_FROM_ENDPOINT;
+ break;
+ case USB_RECIP_OTHER:
+ urb.UrbHeader.Function = URB_FUNCTION_GET_STATUS_FROM_OTHER;
+ break;
+ default:
+ USBERR0("invalid recipient\n");
+ return STATUS_INVALID_PARAMETER;
+ }
+
+ urb.UrbHeader.Length = sizeof(struct _URB_CONTROL_GET_STATUS_REQUEST);
+ urb.UrbControlGetStatusRequest.TransferBufferLength = 2;
+ urb.UrbControlGetStatusRequest.TransferBuffer = status;
+ urb.UrbControlGetStatusRequest.Index = (USHORT)index;
+
+ _status = call_usbd(dev, &urb, IOCTL_INTERNAL_USB_SUBMIT_URB, timeout);
+
+ if (!NT_SUCCESS(_status) || !USBD_SUCCESS(urb.UrbHeader.Status))
+ {
+ USBERR("getting status failed: status: 0x%x, urb-status: 0x%x\n",
+ _status, urb.UrbHeader.Status);
+ *ret = 0;
+ }
+ else
+ {
+ *ret = urb.UrbControlGetStatusRequest.TransferBufferLength;
+ }
+
+ return _status;
+}
+