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/*
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 <LUFA/Drivers/USB/USB.h> // USB Functionality
#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, /**< Compatible CDC endpoints were not found in the device's CDC interface */
};
/* Function Prototypes: */
uint8_t ProcessConfigurationDescriptor(void);
uint8_t DComp_NextCDCControlInterface(void* CurrentDescriptor);
uint8_t DComp_NextCDCDataInterface(void* CurrentDescriptor);
uint8_t DComp_NextInterfaceCDCDataEndpoint(void* CurrentDescriptor);
#endif
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