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83 lines
3.4 KiB
83 lines
3.4 KiB
/*
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LUFA Library
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Copyright (C) Dean Camera, 2010.
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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 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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Permission to use, copy, modify, distribute, and sell this
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software and its documentation for any purpose is hereby granted
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without fee, provided that the above copyright notice appear in
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all 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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#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>
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#include "PrinterHost.h"
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#include "Lib/PrinterCommands.h"
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/* Macros: */
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/** Interface Class value for the Printer Device class */
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#define PRINTER_CLASS 0x07
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/** Interface Subclass value for the Printer Device class */
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#define PRINTER_SUBCLASS 0x01
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/** Interface Protocol value for a Bidirectional communication encapsulation */
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#define PRINTER_PROTOCOL 0x02
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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 PrinterHost_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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NoInterfaceFound = 4, /**< A compatible printer interface was not found in the device's Configuration Descriptor */
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NoEndpointFound = 5, /**< The printer data endpoints were not found in the device's Configuration Descriptor */
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};
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/* External Variables: */
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/** Interface index of the Bidirectional Printer interface within the device, once the Configuration
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* Descriptor has been processed.
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*/
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uint8_t PrinterInterfaceNumber;
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/** Interface Alternate Setting index of the Bidirectional Printer interface within the device, once
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* the Configuration Descriptor has been processed.
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*/
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uint8_t PrinterAltSetting;
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/* Function Prototypes: */
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uint8_t ProcessConfigurationDescriptor(void);
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uint8_t DComp_NextBidirectionalPrinterInterface(void* CurrentDescriptor);
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uint8_t DComp_NextPrinterInterfaceBulkDataEndpoint(void* CurrentDescriptor);
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#endif
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