LUFA USB descriptor cleanup (#4871)
* Fix indentation * Fix braces * Expand descriptor headers * Align descriptor elements * Nicer formatting * Tidy up preprocessor statements * Remove VERSION_BCD redefine - LUFA_VERSION_INTEGER is currently 0x170418 * Tidy up comments * Tweak ordering of HID report elements (no functional changes) * We don't need all of these newlines * Move default USB_MAX_POWER_CONSUMPTION closer to where it makes sense * Ask nicely * Add some more comments * Change indentation back to 4 spaces * Add changelog entry
This commit is contained in:
fauxpark
skullydazed
parent
21df614a8e
commit
ac16726895
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@ -0,0 +1,4 @@
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* LUFA USB descriptor cleanup
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* Some code cleanups related to the USB HID descriptors on AVR keyboards, to make them easier to read and understand
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* More information: see https://github.com/qmk/qmk_firmware/pull/4871
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* No behaviour changes anticipated and no keymaps modified
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File diff suppressed because it is too large
Load Diff
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@ -40,17 +40,19 @@
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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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#include <LUFA/Drivers/USB/USB.h>
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#ifdef PROTOCOL_CHIBIOS
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#include "hal.h"
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#endif
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typedef struct
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{
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/*
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* USB descriptor structure
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*/
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typedef struct {
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USB_Descriptor_Configuration_Header_t Config;
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#ifndef KEYBOARD_SHARED_EP
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@ -67,13 +69,14 @@ typedef struct
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USB_Descriptor_Endpoint_t Mouse_INEndpoint;
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#endif
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#if defined(SHARED_EP_ENABLE)
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#ifdef SHARED_EP_ENABLE
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// Shared Interface
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USB_Descriptor_Interface_t Shared_Interface;
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USB_HID_Descriptor_HID_t Shared_HID;
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USB_Descriptor_Endpoint_t Shared_INEndpoint;
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#endif
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#if defined(RAW_ENABLE)
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#ifdef RAW_ENABLE
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// Raw HID Interface
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USB_Descriptor_Interface_t Raw_Interface;
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USB_HID_Descriptor_HID_t Raw_HID;
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@ -94,7 +97,6 @@ typedef struct
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// MIDI Audio Control Interface
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USB_Descriptor_Interface_t Audio_ControlInterface;
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USB_Audio_Descriptor_Interface_AC_t Audio_ControlInterface_SPC;
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// MIDI Audio Streaming Interface
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USB_Descriptor_Interface_t Audio_StreamInterface;
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USB_MIDI_Descriptor_AudioInterface_AS_t Audio_StreamInterface_SPC;
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@ -110,14 +112,12 @@ typedef struct
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#ifdef VIRTSER_ENABLE
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USB_Descriptor_Interface_Association_t CDC_Interface_Association;
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// CDC Control Interface
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USB_Descriptor_Interface_t CDC_CCI_Interface;
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USB_CDC_Descriptor_FunctionalHeader_t CDC_Functional_Header;
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USB_CDC_Descriptor_FunctionalACM_t CDC_Functional_ACM;
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USB_CDC_Descriptor_FunctionalUnion_t CDC_Functional_Union;
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USB_Descriptor_Endpoint_t CDC_NotificationEndpoint;
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// CDC Data Interface
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USB_Descriptor_Interface_t CDC_DCI_Interface;
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USB_Descriptor_Endpoint_t CDC_DataOutEndpoint;
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@ -125,63 +125,80 @@ typedef struct
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#endif
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} USB_Descriptor_Configuration_t;
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/* index of interface */
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/*
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* Interface indexes
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*/
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enum usb_interfaces {
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#if !defined(KEYBOARD_SHARED_EP)
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#ifndef KEYBOARD_SHARED_EP
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KEYBOARD_INTERFACE,
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#else
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#define KEYBOARD_INTERFACE SHARED_INTERFACE
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#endif
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// It is important that the Raw HID interface is at a constant
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// interface number, to support Linux/OSX platforms and chrome.hid
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// If Raw HID is enabled, let it be always 1.
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#if defined(RAW_ENABLE)
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#ifdef RAW_ENABLE
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RAW_INTERFACE,
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#endif
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#if defined(MOUSE_ENABLE) && !defined(MOUSE_SHARED_EP)
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MOUSE_INTERFACE,
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#endif
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#if defined(SHARED_EP_ENABLE)
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#ifdef SHARED_EP_ENABLE
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SHARED_INTERFACE,
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#endif
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#if defined(CONSOLE_ENABLE)
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#ifdef CONSOLE_ENABLE
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CONSOLE_INTERFACE,
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#endif
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#if defined(MIDI_ENABLE)
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#ifdef MIDI_ENABLE
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AC_INTERFACE,
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AS_INTERFACE,
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#endif
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#if defined(VIRTSER_ENABLE)
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#ifdef VIRTSER_ENABLE
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CCI_INTERFACE,
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CDI_INTERFACE,
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#endif
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TOTAL_INTERFACES
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};
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#define NEXT_EPNUM __COUNTER__
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/*
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* Endpoint numbers
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*/
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enum usb_endpoints {
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__unused_epnum__ = NEXT_EPNUM, /* EP numbering starts at 1 */
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#if !defined(KEYBOARD_SHARED_EP)
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__unused_epnum__ = NEXT_EPNUM, // Endpoint numbering starts at 1
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#ifndef KEYBOARD_SHARED_EP
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KEYBOARD_IN_EPNUM = NEXT_EPNUM,
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#else
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#define KEYBOARD_IN_EPNUM SHARED_IN_EPNUM
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#endif
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#if defined(MOUSE_ENABLE) && !defined(MOUSE_SHARED_EP)
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MOUSE_IN_EPNUM = NEXT_EPNUM,
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#else
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#define MOUSE_IN_EPNUM SHARED_IN_EPNUM
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#endif
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#if defined(RAW_ENABLE)
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#ifdef RAW_ENABLE
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RAW_IN_EPNUM = NEXT_EPNUM,
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RAW_OUT_EPNUM = NEXT_EPNUM,
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#endif
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#if defined(SHARED_EP_ENABLE)
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#ifdef SHARED_EP_ENABLE
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SHARED_IN_EPNUM = NEXT_EPNUM,
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#endif
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#if defined(CONSOLE_ENABLE)
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#ifdef CONSOLE_ENABLE
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CONSOLE_IN_EPNUM = NEXT_EPNUM,
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#ifdef PROTOCOL_CHIBIOS
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// ChibiOS has enough memory and descriptor to actually enable the endpoint
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// It could use the same endpoint numbers, as that's supported by ChibiOS
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@ -191,12 +208,14 @@ enum usb_endpoints {
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#define CONSOLE_OUT_EPNUM CONSOLE_IN_EPNUM
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#endif
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#endif
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#ifdef MIDI_ENABLE
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MIDI_STREAM_IN_EPNUM = NEXT_EPNUM,
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MIDI_STREAM_OUT_EPNUM = NEXT_EPNUM,
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#define MIDI_STREAM_IN_EPADDR (ENDPOINT_DIR_IN | MIDI_STREAM_IN_EPNUM)
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#define MIDI_STREAM_OUT_EPADDR (ENDPOINT_DIR_OUT | MIDI_STREAM_OUT_EPNUM)
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#endif
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#ifdef VIRTSER_ENABLE
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CDC_NOTIFICATION_EPNUM = NEXT_EPNUM,
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CDC_IN_EPNUM = NEXT_EPNUM,
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@ -207,18 +226,18 @@ enum usb_endpoints {
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#endif
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};
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#if defined(PROTOCOL_LUFA)
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/* LUFA tells us total endpoints including control */
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#ifdef PROTOCOL_LUFA
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// LUFA tells us total endpoints including control
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#define MAX_ENDPOINTS (ENDPOINT_TOTAL_ENDPOINTS - 1)
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#elif defined(PROTOCOL_CHIBIOS)
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/* ChibiOS gives us number of available user endpoints, not control */
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// ChibiOS gives us number of available user endpoints, not control
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#define MAX_ENDPOINTS USB_MAX_ENDPOINTS
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#endif
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/* TODO - ARM_ATSAM */
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// TODO - ARM_ATSAM
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#if (NEXT_EPNUM - 1) > MAX_ENDPOINTS
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# error There are not enough available endpoints to support all functions. Remove some in the rules.mk file. (MOUSEKEY, EXTRAKEY, CONSOLE, NKRO, MIDI, SERIAL, STENO)
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#error There are not enough available endpoints to support all functions. Please disable one or more of the following: Mouse Keys, Extra Keys, Console, NKRO, MIDI, Serial, Steno
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#endif
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#define KEYBOARD_EPSIZE 8
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@ -230,17 +249,5 @@ enum usb_endpoints {
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#define CDC_NOTIFICATION_EPSIZE 8
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#define CDC_EPSIZE 16
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uint16_t get_usb_descriptor(const uint16_t wValue,
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const uint16_t wIndex,
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const void** const DescriptorAddress);
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/* new API */
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#if LUFA_VERSION_INTEGER < 0x140302
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#undef VERSION_BCD
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#define VERSION_BCD(Major, Minor, Revision) \
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CPU_TO_LE16( ((Major & 0xFF) << 8) | \
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((Minor & 0x0F) << 4) | \
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(Revision & 0x0F) )
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#endif
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uint16_t get_usb_descriptor(const uint16_t wValue, const uint16_t wIndex, const void** const DescriptorAddress);
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#endif
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