forked from mfulz_github/qmk_firmware
106 lines
5.0 KiB
C
106 lines
5.0 KiB
C
/*
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LUFA Library
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Copyright (C) Dean Camera, 2011.
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dean [at] fourwalledcubicle [dot] com
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www.lufa-lib.org
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*/
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/*
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Copyright 2011 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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* \brief Common USB Device definitions for all architectures.
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* \copydetails Group_Device
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*
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* \note This file should not be included directly. It is automatically included as needed by the USB driver
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* dispatch header located in LUFA/Drivers/USB/USB.h.
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*/
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/** \ingroup Group_USB
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* \defgroup Group_Device Device Management
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* \brief USB Device management definitions for USB device mode.
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*
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* USB Device mode related definitions common to all architectures. This module contains definitions which
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* are used when the USB controller is initialized in device mode.
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*
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* @{
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*/
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#ifndef __USBDEVICE_H__
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#define __USBDEVICE_H__
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/* Includes: */
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#include "../../../Common/Common.h"
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#include "StdDescriptors.h"
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#include "USBInterrupt.h"
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#include "Endpoint.h"
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#if (ARCH == ARCH_AVR8)
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#include "AVR8/Device.h"
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#endif
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/* Preprocessor Checks: */
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#if !defined(__INCLUDE_FROM_USB_DRIVER)
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#error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead.
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#endif
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/* Public Interface - May be used in end-application: */
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/* Function Prototypes: */
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/** Function to retrieve a given descriptor's size and memory location from the given descriptor type value,
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* index and language ID. This function MUST be overridden in the user application (added with full, identical
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* prototype and name so that the library can call it to retrieve descriptor data.
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*
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* \param[in] wValue The type of the descriptor to retrieve in the upper byte, and the index in the
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* lower byte (when more than one descriptor of the given type exists, such as the
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* case of string descriptors). The type may be one of the standard types defined
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* in the DescriptorTypes_t enum, or may be a class-specific descriptor type value.
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* \param[in] wIndex The language ID of the string to return if the \c wValue type indicates
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* \ref DTYPE_String, otherwise zero for standard descriptors, or as defined in a
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* class-specific standards.
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* \param[out] DescriptorAddress Pointer to the descriptor in memory. This should be set by the routine to
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* the address of the descriptor.
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* \param[out] MemoryAddressSpace A value from the \ref USB_DescriptorMemorySpaces_t enum to indicate the memory
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* space in which the descriptor is stored. This parameter does not exist when one
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* of the \c USE_*_DESCRIPTORS compile time options is used.
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*
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* \note By default, the library expects all descriptors to be located in flash memory via the \c PROGMEM attribute.
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* If descriptors should be located in RAM or EEPROM instead (to speed up access in the case of RAM, or to
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* allow the descriptors to be changed dynamically at runtime) either the \c USE_RAM_DESCRIPTORS or the
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* \c USE_EEPROM_DESCRIPTORS tokens may be defined in the project makefile and passed to the compiler by the -D
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* switch.
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*
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* \return Size in bytes of the descriptor if it exists, zero or \ref NO_DESCRIPTOR otherwise.
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*/
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uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue,
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const uint8_t wIndex,
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const void** const DescriptorAddress
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#if !defined(USE_FLASH_DESCRIPTORS) && !defined(USE_EEPROM_DESCRIPTORS) && !defined(USE_RAM_DESCRIPTORS)
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, uint8_t* MemoryAddressSpace
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#endif
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) ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(3);
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#endif
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/** @} */
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