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98 lines
3.9 KiB
98 lines
3.9 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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/** \file
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*
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* Header file for Descriptors.c.
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*/
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#ifndef _DESCRIPTORS_H_
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#define _DESCRIPTORS_H_
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/* Includes: */
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#include <LUFA/Drivers/USB/USB.h>
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#include <avr/pgmspace.h>
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/* Macros: */
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/** Macro to define a CDC class-specific functional descriptor. CDC functional descriptors have a
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* uniform structure but variable sized data payloads, thus cannot be represented accurately by
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* a single typedef struct. A macro is used instead so that functional descriptors can be created
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* easily by specifying the size of the payload. This allows sizeof() to work correctly.
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*
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* \param[in] DataSize Size in bytes of the CDC functional descriptor's data payload
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*/
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#define CDC_FUNCTIONAL_DESCRIPTOR(DataSize) \
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struct \
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{ \
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USB_Descriptor_Header_t Header; \
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uint8_t SubType; \
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uint8_t Data[DataSize]; \
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}
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/** Endpoint number of the CDC device-to-host notification IN endpoint. */
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#define CDC_NOTIFICATION_EPNUM 3
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/** Endpoint number of the CDC device-to-host data IN endpoint. */
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#define CDC_TX_EPNUM 1
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/** Endpoint number of the CDC host-to-device data OUT endpoint. */
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#define CDC_RX_EPNUM 2
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/** Size in bytes of the CDC device-to-host notification IN endpoint. */
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#define CDC_NOTIFICATION_EPSIZE 8
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/** Size in bytes of the CDC data IN and OUT endpoints. */
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#define CDC_TXRX_EPSIZE 64
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/* Type Defines: */
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/** Type define for the device configuration descriptor structure. This must be defined in the
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* application code, as the configuration descriptor contains several sub-descriptors which
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* vary between devices, and which describe the device's usage to the host.
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*/
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typedef struct
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{
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USB_Descriptor_Configuration_Header_t Config;
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USB_Descriptor_Interface_t CDC_CCI_Interface;
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CDC_FUNCTIONAL_DESCRIPTOR(2) CDC_Functional_Header;
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CDC_FUNCTIONAL_DESCRIPTOR(1) CDC_Functional_AbstractControlManagement;
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CDC_FUNCTIONAL_DESCRIPTOR(2) CDC_Functional_Union;
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USB_Descriptor_Endpoint_t CDC_ManagementEndpoint;
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USB_Descriptor_Interface_t CDC_DCI_Interface;
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USB_Descriptor_Endpoint_t RNDIS_DataOutEndpoint;
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USB_Descriptor_Endpoint_t RNDIS_DataInEndpoint;
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} USB_Descriptor_Configuration_t;
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/* Function Prototypes: */
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uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue, const uint8_t wIndex, void** const DescriptorAddress)
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ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(3);
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#endif
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