--- /dev/null
+/*\r
+ LUFA Library\r
+ Copyright (C) Dean Camera, 2009.\r
+ \r
+ dean [at] fourwalledcubicle [dot] com\r
+ www.fourwalledcubicle.com\r
+*/\r
+\r
+/*\r
+ Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
+\r
+ Permission to use, copy, modify, and distribute this software\r
+ and its documentation for any purpose and without fee is hereby\r
+ granted, provided that the above copyright notice appear in all\r
+ copies and that both that the copyright notice and this\r
+ permission notice and warranty disclaimer appear in supporting\r
+ documentation, and that the name of the author not be used in\r
+ advertising or publicity pertaining to distribution of the\r
+ software without specific, written prior permission.\r
+\r
+ The author disclaim all warranties with regard to this\r
+ software, including all implied warranties of merchantability\r
+ and fitness. In no event shall the author be liable for any\r
+ special, indirect or consequential damages or any damages\r
+ whatsoever resulting from loss of use, data or profits, whether\r
+ in an action of contract, negligence or other tortious action,\r
+ arising out of or in connection with the use or performance of\r
+ this software.\r
+*/\r
+\r
+#include "DeviceDescriptor.h"\r
+\r
+uint8_t ProcessDeviceDescriptor(void)\r
+{\r
+ USB_Descriptor_Device_t DeviceDescriptor;\r
+\r
+ /* Standard request to get the device descriptor */\r
+ USB_HostRequest = (USB_Host_Request_Header_t)\r
+ {\r
+ bmRequestType: (REQDIR_DEVICETOHOST | REQTYPE_STANDARD | REQREC_DEVICE),\r
+ bRequest: REQ_GetDescriptor,\r
+ wValue: (DTYPE_Device << 8),\r
+ wIndex: 0,\r
+ wLength: sizeof(USB_Descriptor_Device_t),\r
+ };\r
+\r
+ /* Send the request to retrieve the device descriptor */\r
+ if (USB_Host_SendControlRequest((void*)&DeviceDescriptor) != HOST_SENDCONTROL_Successful)\r
+ return ControlErrorDuringDeviceRead;\r
+ \r
+ /* Validate returned data - ensure the returned data is a device descriptor */\r
+ if (DeviceDescriptor.Header.Type != DTYPE_Device)\r
+ return InvalidDeviceDataReturned;\r
+ \r
+ if ((DeviceDescriptor.Class != BLUETOOTH_DEVICE_CLASS) ||\r
+ (DeviceDescriptor.SubClass != BLUETOOTH_DEVICE_SUBCLASS) ||\r
+ (DeviceDescriptor.Protocol != BLUETOOTH_DEVICE_PROTOCOL))\r
+ {\r
+ return IncorrectDevice;\r
+ }\r
+ \r
+ return SuccessfulDeviceRead;\r
+}\r