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