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87 lines
3.4 KiB
87 lines
3.4 KiB
/*
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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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/** \file
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*
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* Header file for ConfigDescriptor.c.
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*/
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#ifndef _CONFIGDESCRIPTOR_H_
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#define _CONFIGDESCRIPTOR_H_
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/* Includes: */
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#include <LUFA/Drivers/USB/USB.h> // USB Functionality
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#include <LUFA/Drivers/USB/Class/ConfigDescriptor.h> // Configuration Descriptor Parser
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#include "CDCHost.h"
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/* Macros: */
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/** Interface Class value for the CDC class */
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#define CDC_CONTROL_CLASS 0x02
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/** Interface Class value for the CDC Communication Interface subclass */
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#define CDC_CONTROL_SUBCLASS 0x02
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/** Interface Class value for the CDC protocol */
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#define CDC_CONTROL_PROTOCOL 0x01
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/** Interface Class value for the CDC data class */
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#define CDC_DATA_CLASS 0x0A
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/** Interface Class value for the CDC data subclass (unused) */
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#define CDC_DATA_SUBCLASS 0x00
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/** Interface Class value for the CDC data protocol */
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#define CDC_DATA_PROTOCOL 0x00
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/** Maximum size of a device configuration descriptor which can be processed by the host, in bytes */
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#define MAX_CONFIG_DESCRIPTOR_SIZE 512
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/* Enums: */
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/** Enum for the possible return codes of the ProcessConfigurationDescriptor() function. */
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enum CDCHost_GetConfigDescriptorDataCodes_t
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{
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SuccessfulConfigRead = 0, /**< Configuration Descriptor was processed successfully */
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ControlError = 1, /**< A control request to the device failed to complete successfully */
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DescriptorTooLarge = 2, /**< The device's Configuration Descriptor is too large to process */
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InvalidConfigDataReturned = 3, /**< The device returned an invalid Configuration Descriptor */
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NoCDCInterfaceFound = 4, /**< A compatible CDC interface was not found in the device's Configuration Descriptor */
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NoEndpointFound = 5, /**< Cmpatible CDC endpoints were not found in the device's CDC interface */
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};
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/* Configuration Descriptor Comparison Functions: */
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DESCRIPTOR_COMPARATOR(NextCDCInterface);
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DESCRIPTOR_COMPARATOR(NextInterfaceCDCDataEndpoint);
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/* Function Prototypes: */
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uint8_t ProcessConfigurationDescriptor(void);
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#endif
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