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LUFA USB descriptor cleanup (#4871)

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* 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
better_chibios_wait
fauxpark 6 years ago committed by skullydazed
parent 21df614a8e
commit ac16726895
3 changed files with 879 additions and 875 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 4
      docs/ChangeLog/20190830/PR4871.md
  2. 773
      tmk_core/protocol/usb_descriptor.c
  3. 85
      tmk_core/protocol/usb_descriptor.h

4
docs/ChangeLog/20190830/PR4871.md
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@ -0,0 +1,4 @@
* LUFA USB descriptor cleanup
* Some code cleanups related to the USB HID descriptors on AVR keyboards, to make them easier to read and understand
* More information: see https://github.com/qmk/qmk_firmware/pull/4871
* No behaviour changes anticipated and no keymaps modified

773
tmk_core/protocol/usb_descriptor.c
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85
tmk_core/protocol/usb_descriptor.h
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@ -40,17 +40,19 @@
*
* Header file for Descriptors.c.
*/
#ifndef _DESCRIPTORS_H_
#define _DESCRIPTORS_H_
#include <LUFA/Drivers/USB/USB.h>
#ifdef PROTOCOL_CHIBIOS
#include "hal.h"
#endif
typedef struct
{
/*
* USB descriptor structure
*/
typedef struct {
USB_Descriptor_Configuration_Header_t Config;
#ifndef KEYBOARD_SHARED_EP
@ -67,13 +69,14 @@ typedef struct
USB_Descriptor_Endpoint_t Mouse_INEndpoint;
#endif
#if defined(SHARED_EP_ENABLE)
#ifdef SHARED_EP_ENABLE
// Shared Interface
USB_Descriptor_Interface_t Shared_Interface;
USB_HID_Descriptor_HID_t Shared_HID;
USB_Descriptor_Endpoint_t Shared_INEndpoint;
#endif
#if defined(RAW_ENABLE)
#ifdef RAW_ENABLE
// Raw HID Interface
USB_Descriptor_Interface_t Raw_Interface;
USB_HID_Descriptor_HID_t Raw_HID;
@ -94,7 +97,6 @@ typedef struct
// MIDI Audio Control Interface
USB_Descriptor_Interface_t Audio_ControlInterface;
USB_Audio_Descriptor_Interface_AC_t Audio_ControlInterface_SPC;
// MIDI Audio Streaming Interface
USB_Descriptor_Interface_t Audio_StreamInterface;
USB_MIDI_Descriptor_AudioInterface_AS_t Audio_StreamInterface_SPC;
@ -110,14 +112,12 @@ typedef struct
#ifdef VIRTSER_ENABLE
USB_Descriptor_Interface_Association_t CDC_Interface_Association;
// CDC Control Interface
USB_Descriptor_Interface_t CDC_CCI_Interface;
USB_CDC_Descriptor_FunctionalHeader_t CDC_Functional_Header;
USB_CDC_Descriptor_FunctionalACM_t CDC_Functional_ACM;
USB_CDC_Descriptor_FunctionalUnion_t CDC_Functional_Union;
USB_Descriptor_Endpoint_t CDC_NotificationEndpoint;
// CDC Data Interface
USB_Descriptor_Interface_t CDC_DCI_Interface;
USB_Descriptor_Endpoint_t CDC_DataOutEndpoint;
@ -125,63 +125,80 @@ typedef struct
#endif
} USB_Descriptor_Configuration_t;
/* index of interface */
/*
* Interface indexes
*/
enum usb_interfaces {
#if !defined(KEYBOARD_SHARED_EP)
#ifndef KEYBOARD_SHARED_EP
KEYBOARD_INTERFACE,
#else
#define KEYBOARD_INTERFACE SHARED_INTERFACE
#endif
// It is important that the Raw HID interface is at a constant
// interface number, to support Linux/OSX platforms and chrome.hid
// If Raw HID is enabled, let it be always 1.
#if defined(RAW_ENABLE)
#ifdef RAW_ENABLE
RAW_INTERFACE,
#endif
#if defined(MOUSE_ENABLE) && !defined(MOUSE_SHARED_EP)
MOUSE_INTERFACE,
#endif
#if defined(SHARED_EP_ENABLE)
#ifdef SHARED_EP_ENABLE
SHARED_INTERFACE,
#endif
#if defined(CONSOLE_ENABLE)
#ifdef CONSOLE_ENABLE
CONSOLE_INTERFACE,
#endif
#if defined(MIDI_ENABLE)
#ifdef MIDI_ENABLE
AC_INTERFACE,
AS_INTERFACE,
#endif
#if defined(VIRTSER_ENABLE)
#ifdef VIRTSER_ENABLE
CCI_INTERFACE,
CDI_INTERFACE,
#endif
TOTAL_INTERFACES
};
#define NEXT_EPNUM __COUNTER__
/*
* Endpoint numbers
*/
enum usb_endpoints {
__unused_epnum__ = NEXT_EPNUM, /* EP numbering starts at 1 */
#if !defined(KEYBOARD_SHARED_EP)
__unused_epnum__ = NEXT_EPNUM, // Endpoint numbering starts at 1
#ifndef KEYBOARD_SHARED_EP
KEYBOARD_IN_EPNUM = NEXT_EPNUM,
#else
#define KEYBOARD_IN_EPNUM SHARED_IN_EPNUM
#endif
#if defined(MOUSE_ENABLE) && !defined(MOUSE_SHARED_EP)
MOUSE_IN_EPNUM = NEXT_EPNUM,
#else
#define MOUSE_IN_EPNUM SHARED_IN_EPNUM
#endif
#if defined(RAW_ENABLE)
#ifdef RAW_ENABLE
RAW_IN_EPNUM = NEXT_EPNUM,
RAW_OUT_EPNUM = NEXT_EPNUM,
#endif
#if defined(SHARED_EP_ENABLE)
#ifdef SHARED_EP_ENABLE
SHARED_IN_EPNUM = NEXT_EPNUM,
#endif
#if defined(CONSOLE_ENABLE)
#ifdef CONSOLE_ENABLE
CONSOLE_IN_EPNUM = NEXT_EPNUM,
#ifdef PROTOCOL_CHIBIOS
// ChibiOS has enough memory and descriptor to actually enable the endpoint
// It could use the same endpoint numbers, as that's supported by ChibiOS
@ -191,12 +208,14 @@ enum usb_endpoints {
#define CONSOLE_OUT_EPNUM CONSOLE_IN_EPNUM
#endif
#endif
#ifdef MIDI_ENABLE
MIDI_STREAM_IN_EPNUM = NEXT_EPNUM,
MIDI_STREAM_OUT_EPNUM = NEXT_EPNUM,
#define MIDI_STREAM_IN_EPADDR (ENDPOINT_DIR_IN | MIDI_STREAM_IN_EPNUM)
#define MIDI_STREAM_OUT_EPADDR (ENDPOINT_DIR_OUT | MIDI_STREAM_OUT_EPNUM)
#endif
#ifdef VIRTSER_ENABLE
CDC_NOTIFICATION_EPNUM = NEXT_EPNUM,
CDC_IN_EPNUM = NEXT_EPNUM,
@ -207,18 +226,18 @@ enum usb_endpoints {
#endif
};
#if defined(PROTOCOL_LUFA)
/* LUFA tells us total endpoints including control */
#ifdef PROTOCOL_LUFA
// LUFA tells us total endpoints including control
#define MAX_ENDPOINTS (ENDPOINT_TOTAL_ENDPOINTS - 1)
#elif defined(PROTOCOL_CHIBIOS)
/* ChibiOS gives us number of available user endpoints, not control */
// ChibiOS gives us number of available user endpoints, not control
#define MAX_ENDPOINTS USB_MAX_ENDPOINTS
#endif
/* TODO - ARM_ATSAM */
// TODO - ARM_ATSAM
#if (NEXT_EPNUM - 1) > MAX_ENDPOINTS
# 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)
#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
#endif
#define KEYBOARD_EPSIZE 8
@ -230,17 +249,5 @@ enum usb_endpoints {
#define CDC_NOTIFICATION_EPSIZE 8
#define CDC_EPSIZE 16
uint16_t get_usb_descriptor(const uint16_t wValue,
const uint16_t wIndex,
const void** const DescriptorAddress);
/* new API */
#if LUFA_VERSION_INTEGER < 0x140302
#undef VERSION_BCD
#define VERSION_BCD(Major, Minor, Revision) \
CPU_TO_LE16( ((Major & 0xFF) << 8) | \
((Minor & 0x0F) << 4) | \
(Revision & 0x0F) )
#endif
uint16_t get_usb_descriptor(const uint16_t wValue, const uint16_t wIndex, const void** const DescriptorAddress);
#endif

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