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