tinyUSB/tinyusb/class/hid.h

/*
 * hid.h
 *
 *  Created on: Nov 27, 2012
 *      Author: hathach
 */

/*
 * Software License Agreement (BSD License)
 * Copyright (c) 2013, hathach (tinyusb.org)
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
 * OF SUCH DAMAGE.
 *
 * This file is part of the tinyUSB stack.
 */

/** \file
 *  \brief HID Class Driver
 *
 *  \note TBD
 */

/** 
 *  \addtogroup Group_ClassDriver Class Driver
 *  @{
 *  \defgroup Group_HID Human Interface Device
 *  @{
 */

#ifndef _TUSB_HID_H_
#define _TUSB_HID_H_

#ifdef __cplusplus
 extern "C" {
#endif

#include "common/common.h"

enum {
  HID_SUBCLASS_NONE = 0,
  HID_SUBCLASS_BOOT = 1
};

enum {
  HID_PROTOCOL_NONE     = 0,
  HID_PROTOCOL_KEYBOARD = 1,
  HID_PROTOCOL_MOUSE    = 2
};

enum {
  HID_DESC_HID      = 0x21,
  HID_DESC_REPORT   = 0x22,
  HID_DESC_PHYSICAL = 0x23
};

typedef ATTR_PREPACKED struct ATTR_PACKED {
  uint8_t  bLength;         /**< Numeric expression that is the total size of the HID descriptor */
  uint8_t  bDescriptorType; /**< Constant name specifying type of HID descriptor. */
  uint16_t bcdHID;          /**< Numeric expression identifying the HID Class Specification release */
  uint8_t  bCountryCode;    /**< Numeric expression identifying country code of the localized hardware.  */
  uint8_t  bNumDescriptors; /**< Numeric expression specifying the number of class descriptors */

  uint8_t  bReportType;     /**< Type of HID class report. */
  uint16_t wReportLength;   /**< the total size of the Report descriptor. */
} tusb_hid_descriptor_hid_t;

/**
 *  \brief Standard HID Boot Protocol Mouse Report.
 *
 *  Type define for a standard Boot Protocol Mouse report
 */
typedef ATTR_PACKED_STRUCT(struct)
{
  uint8_t buttons; /**< buttons mask for currently pressed buttons in the mouse. */
  int8_t  x; /**< Current delta x movement of the mouse. */
  int8_t  y; /**< Current delta y movement on the mouse. */
} tusb_mouse_report_t;

/**
 *  \brief Standard HID Boot Protocol Keyboard Report.
 *
 *  Type define for a standard Boot Protocol Keyboard report
 */
typedef ATTR_PACKED_STRUCT(struct)
{
  uint8_t modifier; /**< Keyboard modifier byte, indicating pressed modifier keys (a combination of HID_KEYBOARD_MODIFER_* masks). */
  uint8_t reserved; /**< Reserved for OEM use, always set to 0. */
  uint8_t keycode[6]; /**< Key codes of the currently pressed keys. */
} tusb_keyboard_report_t;

/**
 * \brief buttons codes for HID mouse
 */
enum {
	HID_MOUSEBUTTON_LEFT   = BIT_(0),
	HID_MOUSEBUTTON_RIGHT  = BIT_(1),
	HID_MOUSEBUTTON_MIDDLE = BIT_(2)
};

/**
 * \brief KB modifier codes for HID KB
 */
enum {
	KEYBOARD_MODIFIER_LEFTCTRL   = BIT_(0),
	KEYBOARD_MODIFIER_LEFTSHIFT  = BIT_(1),
	KEYBOARD_MODIFIER_LEFTALT    = BIT_(2),
	KEYBOARD_MODIFIER_LEFTGUI    = BIT_(3),
	KEYBOARD_MODIFIER_RIGHTCTRL  = BIT_(4),
	KEYBOARD_MODIFIER_RIGHTSHIFT = BIT_(5),
	KEYBOARD_MODIFIER_RIGHTALT   = BIT_(6),
	KEYBOARD_MODIFIER_RIGHTGUI   = BIT_(7)
};

enum
{
  KEYBOARD_KEYCODE_a = 0x04,
  KEYBOARD_KEYCODE_z = 0x1d,

  KEYBOARD_KEYCODE_1 = 0x1e,
  KEYBOARD_KEYCODE_0 = 0x27
  // TODO complete keycode table
};

/**
 * \brief Local Country code for HID
 */
enum USB_HID_LOCAL_CODE
{
  HID_Local_NotSupported = 0,
  HID_Local_Arabic,
  HID_Local_Belgian,
  HID_Local_Canadian_Bilingual,
  HID_Local_Canadian_French,
  HID_Local_Czech_Republic,
  HID_Local_Danish,
  HID_Local_Finnish,
  HID_Local_French,
  HID_Local_German,
  HID_Local_Greek,
  HID_Local_Hebrew,
  HID_Local_Hungary,
  HID_Local_International,
  HID_Local_Italian,
  HID_Local_Japan_Katakana,
  HID_Local_Korean,
  HID_Local_Latin_American,
  HID_Local_Netherlands_Dutch,
  HID_Local_Norwegian,
  HID_Local_Persian_Farsi,
  HID_Local_Poland,
  HID_Local_Portuguese,
  HID_Local_Russia,
  HID_Local_Slovakia,
  HID_Local_Spanish,
  HID_Local_Swedish,
  HID_Local_Swiss_French,
  HID_Local_Swiss_German,
  HID_Local_Switzerland,
  HID_Local_Taiwan,
  HID_Local_Turkish_Q,
  HID_Local_UK,
  HID_Local_US,
  HID_Local_Yugoslavia,
  HID_Local_Turkish_F
};

//--------------------------------------------------------------------+
// REPORT DESCRIPTOR
//--------------------------------------------------------------------+
//------------- ITEM & TAG -------------//
#define HID_REPORT_DATA_0(data)
#define HID_REPORT_DATA_1(data) , data
#define HID_REPORT_DATA_2(data) , U16_TO_U8S_LE(data)
#define HID_REPORT_DATA_3(data) , U32_TO_U8S_LE(data)

#define HID_REPORT_ITEM(data, tag, type, size) \
  ((tag << 4) | (type << 2) | size) HID_REPORT_DATA_##size(data)

#define RI_TYPE_MAIN   0
#define RI_TYPE_GLOBAL 1
#define RI_TYPE_LOCAL  2

//------------- MAIN ITEMS 6.2.2.4 -------------//
#define HID_INPUT(x)           HID_REPORT_ITEM(x, 8, RI_TYPE_MAIN, 1)
#define HID_OUTPUT(x)          HID_REPORT_ITEM(x, 9, RI_TYPE_MAIN, 1)
#define HID_COLLECTION(x)      HID_REPORT_ITEM(x, 10, RI_TYPE_MAIN, 1)
#define HID_FEATURE(x)         HID_REPORT_ITEM(x, 11, RI_TYPE_MAIN, 1)
#define HID_COLLECTION_END     HID_REPORT_ITEM(x, 12, RI_TYPE_MAIN, 0)

//------------- INPUT, OUTPUT, FEATURE 6.2.2.5 -------------//
#define HID_DATA             (0<<0)
#define HID_CONSTANT         (1<<0)

#define HID_ARRAY            (0<<1)
#define HID_VARIABLE         (1<<1)

#define HID_ABSOLUTE         (0<<2)
#define HID_RELATIVE         (1<<2)

#define HID_WRAP_NO          (0<<3)
#define HID_WRAP             (1<<3)

#define HID_LINEAR           (0<<4)
#define HID_NONLINEAR        (1<<4)

#define HID_PREFERRED_STATE  (0<<5)
#define HID_PREFERRED_NO     (1<<5)

#define HID_NO_NULL_POSITION (0<<6)
#define HID_NULL_STATE       (1<<6)

#define HID_NON_VOLATILE     (0<<7)
#define HID_VOLATILE         (1<<7)

#define HID_BITFIELD         (0<<8)
#define HID_BUFFERED_BYTES   (1<<8)

//------------- COLLECTION ITEM 6.2.2.6 -------------//
enum {
  HID_COLLECTION_PHYSICAL = 0,
  HID_COLLECTION_APPLICATION,
  HID_COLLECTION_LOGICAL,
  HID_COLLECTION_REPORT,
  HID_COLLECTION_NAMED_ARRAY,
  HID_COLLECTION_USAGE_SWITCH,
  HID_COLLECTION_USAGE_MODIFIER
};

//------------- GLOBAL ITEMS 6.2.2.7 -------------//
#define HID_USAGE_PAGE(x)         HID_REPORT_ITEM(x, 0, RI_TYPE_GLOBAL, 1)
#define HID_USAGE_PAGE_N(x, n)    HID_REPORT_ITEM(x, 0, RI_TYPE_GLOBAL, n)

#define HID_LOGICAL_MIN(x)        HID_REPORT_ITEM(x, 1, RI_TYPE_GLOBAL, 1)
#define HID_LOGICAL_MIN_N(x, n)   HID_REPORT_ITEM(x, 1, RI_TYPE_GLOBAL, n)

#define HID_LOGICAL_MAX(x)        HID_REPORT_ITEM(x, 2, RI_TYPE_GLOBAL, 1)
#define HID_LOGICAL_MAX_N(x, n)   HID_REPORT_ITEM(x, 2, RI_TYPE_GLOBAL, n)

#define HID_PHYSICAL_MIN(x)       HID_REPORT_ITEM(x, 3, RI_TYPE_GLOBAL, 1)
#define HID_PHYSICAL_MIN_N(x, n)  HID_REPORT_ITEM(x, 3, RI_TYPE_GLOBAL, n)

#define HID_PHYSICAL_MAX(x)       HID_REPORT_ITEM(x, 4, RI_TYPE_GLOBAL, 1)
#define HID_PHYSICAL_MAX_N(x, n)  HID_REPORT_ITEM(x, 4, RI_TYPE_GLOBAL, n)

#define HID_UNIT_EXPONENT(x)      HID_REPORT_ITEM(x, 5, RI_TYPE_GLOBAL, 1)
#define HID_UNIT_EXPONENT_N(x, n) HID_REPORT_ITEM(x, 5, RI_TYPE_GLOBAL, n)

#define HID_UNIT(x)               HID_REPORT_ITEM(x, 6, RI_TYPE_GLOBAL, 1)
#define HID_UNIT_N(x, n)          HID_REPORT_ITEM(x, 6, RI_TYPE_GLOBAL, n)

#define HID_REPORT_SIZE(x)        HID_REPORT_ITEM(x, 7, RI_TYPE_GLOBAL, 1)
#define HID_REPORT_SIZE_N(x, n)   HID_REPORT_ITEM(x, 7, RI_TYPE_GLOBAL, n)

#define HID_REPORT_ID(x)          HID_REPORT_ITEM(x, 8, RI_TYPE_GLOBAL, 1)
#define HID_REPORT_ID_N(x)        HID_REPORT_ITEM(x, 8, RI_TYPE_GLOBAL, n)

#define HID_REPORT_COUNT(x)       HID_REPORT_ITEM(x, 9, RI_TYPE_GLOBAL, 1)
#define HID_REPORT_COUNT_N(x, n)  HID_REPORT_ITEM(x, 9, RI_TYPE_GLOBAL, n)

#define HID_PUSH                  HID_REPORT_ITEM(x, 10, RI_TYPE_GLOBAL, 0)
#define HID_POP                   HID_REPORT_ITEM(x, 11, RI_TYPE_GLOBAL, 0)

//------------- LOCAL ITEMS 6.2.2.8 -------------//
#define HID_USAGE(x)              HID_REPORT_ITEM(x, 0, RI_TYPE_LOCAL, 1)
#define HID_USAGE_N(x, n)         HID_REPORT_ITEM(x, 0, RI_TYPE_LOCAL, n)

#define HID_USAGE_MIN(x)          HID_REPORT_ITEM(x, 1, RI_TYPE_LOCAL, 1)
#define HID_USAGE_MIN_N(x, n)     HID_REPORT_ITEM(x, 1, RI_TYPE_LOCAL, n)

#define HID_USAGE_MAX(x)          HID_REPORT_ITEM(x, 2, RI_TYPE_LOCAL, 1)
#define HID_USAGE_MAX_N(x, n)     HID_REPORT_ITEM(x, 2, RI_TYPE_LOCAL, n)

//--------------------------------------------------------------------+
// Usage Table
//--------------------------------------------------------------------+

/// HID Usage Table - Table 1: Usage Page Summary
enum {
  HID_USAGE_PAGE_DESKTOP         = 0x01,
  HID_USAGE_PAGE_SIMULATE        = 0x02,
  HID_USAGE_PAGE_VIRTUAL_REALITY = 0x03,
  HID_USAGE_PAGE_SPORT           = 0x04,
  HID_USAGE_PAGE_GAME            = 0x05,
  HID_USAGE_PAGE_GENERIC_DEVICE  = 0x06,
  HID_USAGE_PAGE_KEYBOARD        = 0x07,
  HID_USAGE_PAGE_LED             = 0x08,
  HID_USAGE_PAGE_BUTTON          = 0x09,
  HID_USAGE_PAGE_ORDINAL         = 0x0a,
  HID_USAGE_PAGE_TELEPHONY       = 0x0b,
  HID_USAGE_PAGE_CONSUMER        = 0x0c,
  HID_USAGE_PAGE_DIGITIZER       = 0x0d,
  HID_USAGE_PAGE_PID             = 0x0f,
  HID_USAGE_PAGE_UNICODE         = 0x10,
  HID_USAGE_PAGE_ALPHA_DISPLAY   = 0x14,
  HID_USAGE_PAGE_MEDICAL         = 0x40,
  HID_USAGE_PAGE_MONITOR         = 0x80, //0x80 - 0x83
  HID_USAGE_PAGE_POWER           = 0x84, // 0x084 - 0x87
  HID_USAGE_PAGE_BARCODE_SCANNER = 0x8c,
  HID_USAGE_PAGE_SCALE           = 0x8d,
  HID_USAGE_PAGE_MSR             = 0x8e,
  HID_USAGE_PAGE_CAMERA          = 0x90,
  HID_USAGE_PAGE_ARCADE          = 0x91,
  HID_USAGE_PAGE_VENDOR          = 0xFFFF // 0xFF00 - 0xFFFF
};

/// HID Usage Table - Table 6: Generic Desktop Page
enum {
  HID_USAGE_DESKTOP_POINTER                               = 0x01,
  HID_USAGE_DESKTOP_MOUSE                                 = 0x02,
  HID_USAGE_DESKTOP_JOYSTICK                              = 0x04,
  HID_USAGE_DESKTOP_GAMEPAD                               = 0x05,
  HID_USAGE_DESKTOP_KEYBOARD                              = 0x06,
  HID_USAGE_DESKTOP_KEYPAD                                = 0x07,
  HID_USAGE_DESKTOP_MULTI_AXIS_CONTROLLER                 = 0x08,
  HID_USAGE_DESKTOP_TABLET_PC_SYSTEM                      = 0x09,
  HID_USAGE_DESKTOP_X                                     = 0x30,
  HID_USAGE_DESKTOP_Y                                     = 0x31,
  HID_USAGE_DESKTOP_Z                                     = 0x32,
  HID_USAGE_DESKTOP_RX                                    = 0x33,
  HID_USAGE_DESKTOP_RY                                    = 0x34,
  HID_USAGE_DESKTOP_RZ                                    = 0x35,
  HID_USAGE_DESKTOP_SLIDER                                = 0x36,
  HID_USAGE_DESKTOP_DIAL                                  = 0x37,
  HID_USAGE_DESKTOP_WHEEL                                 = 0x38,
  HID_USAGE_DESKTOP_HAT_SWITCH                            = 0x39,
  HID_USAGE_DESKTOP_COUNTED_BUFFER                        = 0x3a,
  HID_USAGE_DESKTOP_BYTE_COUNT                            = 0x3b,
  HID_USAGE_DESKTOP_MOTION_WAKEUP                         = 0x3c,
  HID_USAGE_DESKTOP_START                                 = 0x3d,
  HID_USAGE_DESKTOP_SELECT                                = 0x3e,
  HID_USAGE_DESKTOP_VX                                    = 0x40,
  HID_USAGE_DESKTOP_VY                                    = 0x41,
  HID_USAGE_DESKTOP_VZ                                    = 0x42,
  HID_USAGE_DESKTOP_VBRX                                  = 0x43,
  HID_USAGE_DESKTOP_VBRY                                  = 0x44,
  HID_USAGE_DESKTOP_VBRZ                                  = 0x45,
  HID_USAGE_DESKTOP_VNO                                   = 0x46,
  HID_USAGE_DESKTOP_FEATURE_NOTIFICATION                  = 0x47,
  HID_USAGE_DESKTOP_RESOLUTION_MULTIPLIER                 = 0x48,
  HID_USAGE_DESKTOP_SYSTEM_CONTROL                        = 0x80,
  HID_USAGE_DESKTOP_SYSTEM_POWER_DOWN                     = 0x81,
  HID_USAGE_DESKTOP_SYSTEM_SLEEP                          = 0x82,
  HID_USAGE_DESKTOP_SYSTEM_WAKE_UP                        = 0x83,
  HID_USAGE_DESKTOP_SYSTEM_CONTEXT_MENU                   = 0x84,
  HID_USAGE_DESKTOP_SYSTEM_MAIN_MENU                      = 0x85,
  HID_USAGE_DESKTOP_SYSTEM_APP_MENU                       = 0x86,
  HID_USAGE_DESKTOP_SYSTEM_MENU_HELP                      = 0x87,
  HID_USAGE_DESKTOP_SYSTEM_MENU_EXIT                      = 0x88,
  HID_USAGE_DESKTOP_SYSTEM_MENU_SELECT                    = 0x89,
  HID_USAGE_DESKTOP_SYSTEM_MENU_RIGHT                     = 0x8A,
  HID_USAGE_DESKTOP_SYSTEM_MENU_LEFT                      = 0x8B,
  HID_USAGE_DESKTOP_SYSTEM_MENU_UP                        = 0x8C,
  HID_USAGE_DESKTOP_SYSTEM_MENU_DOWN                      = 0x8D,
  HID_USAGE_DESKTOP_SYSTEM_COLD_RESTART                   = 0x8E,
  HID_USAGE_DESKTOP_SYSTEM_WARM_RESTART                   = 0x8F,
  HID_USAGE_DESKTOP_DPAD_UP                               = 0x90,
  HID_USAGE_DESKTOP_DPAD_DOWN                             = 0x91,
  HID_USAGE_DESKTOP_DPAD_RIGHT                            = 0x92,
  HID_USAGE_DESKTOP_DPAD_LEFT                             = 0x93,
  HID_USAGE_DESKTOP_SYSTEM_DOCK                           = 0xA0,
  HID_USAGE_DESKTOP_SYSTEM_UNDOCK                         = 0xA1,
  HID_USAGE_DESKTOP_SYSTEM_SETUP                          = 0xA2,
  HID_USAGE_DESKTOP_SYSTEM_BREAK                          = 0xA3,
  HID_USAGE_DESKTOP_SYSTEM_DEBUGGER_BREAK                 = 0xA4,
  HID_USAGE_DESKTOP_APPLICATION_BREAK                     = 0xA5,
  HID_USAGE_DESKTOP_APPLICATION_DEBUGGER_BREAK            = 0xA6,
  HID_USAGE_DESKTOP_SYSTEM_SPEAKER_MUTE                   = 0xA7,
  HID_USAGE_DESKTOP_SYSTEM_HIBERNATE                      = 0xA8,
  HID_USAGE_DESKTOP_SYSTEM_DISPLAY_INVERT                 = 0xB0,
  HID_USAGE_DESKTOP_SYSTEM_DISPLAY_INTERNAL               = 0xB1,
  HID_USAGE_DESKTOP_SYSTEM_DISPLAY_EXTERNAL               = 0xB2,
  HID_USAGE_DESKTOP_SYSTEM_DISPLAY_BOTH                   = 0xB3,
  HID_USAGE_DESKTOP_SYSTEM_DISPLAY_DUAL                   = 0xB4,
  HID_USAGE_DESKTOP_SYSTEM_DISPLAY_TOGGLE_INT_EXT         = 0xB5,
  HID_USAGE_DESKTOP_SYSTEM_DISPLAY_SWAP_PRIMARY_SECONDARY = 0xB6,
  HID_USAGE_DESKTOP_SYSTEM_DISPLAY_LCD_AUTOSCALE          = 0xB7
};

#ifdef __cplusplus
 }
#endif

#endif /* _TUSB_HID_H__ */

/// @}
/// @}