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