hid.h

Go to the documentation of this file.

/*
 * Copyright (c) 2018 Intel Corporation
 * Copyright (c) 2018,2021 Nordic Semiconductor ASA
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef ZEPHYR_INCLUDE_USB_CLASS_HID_H_
#define ZEPHYR_INCLUDE_USB_CLASS_HID_H_
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define USB_DESC_HID                    0x21
#define USB_DESC_HID_REPORT             0x22
#define USB_DESC_HID_PHYSICAL           0x23
 
#define USB_HID_GET_REPORT              0x01
#define USB_HID_GET_IDLE                0x02
#define USB_HID_GET_PROTOCOL            0x03
#define USB_HID_SET_REPORT              0x09
#define USB_HID_SET_IDLE                0x0A
#define USB_HID_SET_PROTOCOL            0x0B
 
#define HID_BOOT_IFACE_CODE_NONE        0
#define HID_BOOT_IFACE_CODE_KEYBOARD    1
#define HID_BOOT_IFACE_CODE_MOUSE       2
 
#define HID_PROTOCOL_BOOT               0
#define HID_PROTOCOL_REPORT             1
 
#define HID_ITEM_TYPE_MAIN              0x0
#define HID_ITEM_TYPE_GLOBAL            0x1
#define HID_ITEM_TYPE_LOCAL             0x2
 
#define HID_ITEM_TAG_INPUT              0x8
#define HID_ITEM_TAG_OUTPUT             0x9
#define HID_ITEM_TAG_COLLECTION         0xA
#define HID_ITEM_TAG_FEATURE            0xB
#define HID_ITEM_TAG_COLLECTION_END     0xC
 
#define HID_ITEM_TAG_USAGE_PAGE         0x0
#define HID_ITEM_TAG_LOGICAL_MIN        0x1
#define HID_ITEM_TAG_LOGICAL_MAX        0x2
#define HID_ITEM_TAG_PHYSICAL_MIN       0x3
#define HID_ITEM_TAG_PHYSICAL_MAX       0x4
#define HID_ITEM_TAG_UNIT_EXPONENT      0x5
#define HID_ITEM_TAG_UNIT               0x6
#define HID_ITEM_TAG_REPORT_SIZE        0x7
#define HID_ITEM_TAG_REPORT_ID          0x8
#define HID_ITEM_TAG_REPORT_COUNT       0x9
 
#define HID_ITEM_TAG_USAGE              0x0
#define HID_ITEM_TAG_USAGE_MIN          0x1
#define HID_ITEM_TAG_USAGE_MAX          0x2
 
#define HID_COLLECTION_PHYSICAL         0x00
#define HID_COLLECTION_APPLICATION      0x01
 
/* Usage page and IDs from Universal Serial Bus HID Usage Tables */
 
#define HID_USAGE_GEN_DESKTOP           0x01
#define HID_USAGE_GEN_KEYBOARD          0x07
#define HID_USAGE_GEN_LEDS              0x08
#define HID_USAGE_GEN_BUTTON            0x09
 
#define HID_USAGE_GEN_DESKTOP_UNDEFINED 0x00
#define HID_USAGE_GEN_DESKTOP_POINTER   0x01
#define HID_USAGE_GEN_DESKTOP_MOUSE     0x02
#define HID_USAGE_GEN_DESKTOP_JOYSTICK  0x04
#define HID_USAGE_GEN_DESKTOP_GAMEPAD   0x05
#define HID_USAGE_GEN_DESKTOP_KEYBOARD  0x06
#define HID_USAGE_GEN_DESKTOP_KEYPAD    0x07
#define HID_USAGE_GEN_DESKTOP_X         0x30
#define HID_USAGE_GEN_DESKTOP_Y         0x31
#define HID_USAGE_GEN_DESKTOP_WHEEL     0x38
 
#define HID_ITEM(bTag, bType, bSize)    (((bTag & 0xF) << 4) | \
                                         ((bType & 0x3) << 2) | (bSize & 0x3))
 
#define HID_INPUT(a)                    \
        HID_ITEM(HID_ITEM_TAG_INPUT, HID_ITEM_TYPE_MAIN, 1), a
 
#define HID_OUTPUT(a)                   \
        HID_ITEM(HID_ITEM_TAG_OUTPUT, HID_ITEM_TYPE_MAIN, 1), a
 
#define HID_FEATURE(a)                  \
        HID_ITEM(HID_ITEM_TAG_OUTPUT, HID_ITEM_TYPE_MAIN, 1), a
 
#define HID_COLLECTION(a)               \
        HID_ITEM(HID_ITEM_TAG_COLLECTION, HID_ITEM_TYPE_MAIN, 1), a
 
#define HID_END_COLLECTION              \
        HID_ITEM(HID_ITEM_TAG_COLLECTION_END, HID_ITEM_TYPE_MAIN, 0)
 
#define HID_USAGE_PAGE(page)            \
        HID_ITEM(HID_ITEM_TAG_USAGE_PAGE, HID_ITEM_TYPE_GLOBAL, 1), page
 
#define HID_LOGICAL_MIN8(a)             \
        HID_ITEM(HID_ITEM_TAG_LOGICAL_MIN, HID_ITEM_TYPE_GLOBAL, 1), a
 
#define HID_LOGICAL_MAX8(a)             \
        HID_ITEM(HID_ITEM_TAG_LOGICAL_MAX, HID_ITEM_TYPE_GLOBAL, 1), a
 
#define HID_LOGICAL_MIN16(a, b)         \
        HID_ITEM(HID_ITEM_TAG_LOGICAL_MIN, HID_ITEM_TYPE_GLOBAL, 2), a, b
 
#define HID_LOGICAL_MAX16(a, b)         \
        HID_ITEM(HID_ITEM_TAG_LOGICAL_MAX, HID_ITEM_TYPE_GLOBAL, 2), a, b
 
#define HID_LOGICAL_MIN32(a, b, c, d)   \
        HID_ITEM(HID_ITEM_TAG_LOGICAL_MIN, HID_ITEM_TYPE_GLOBAL, 3), a, b, c, d
 
#define HID_LOGICAL_MAX32(a, b, c, d)   \
        HID_ITEM(HID_ITEM_TAG_LOGICAL_MAX, HID_ITEM_TYPE_GLOBAL, 3), a, b, c, d
 
#define HID_REPORT_SIZE(size)           \
        HID_ITEM(HID_ITEM_TAG_REPORT_SIZE, HID_ITEM_TYPE_GLOBAL, 1), size
 
#define HID_REPORT_ID(id)               \
        HID_ITEM(HID_ITEM_TAG_REPORT_ID, HID_ITEM_TYPE_GLOBAL, 1), id
 
#define HID_REPORT_COUNT(count)         \
        HID_ITEM(HID_ITEM_TAG_REPORT_COUNT, HID_ITEM_TYPE_GLOBAL, 1), count
 
#define HID_USAGE(idx)                  \
        HID_ITEM(HID_ITEM_TAG_USAGE, HID_ITEM_TYPE_LOCAL, 1), idx
 
#define HID_USAGE_MIN8(a)               \
        HID_ITEM(HID_ITEM_TAG_USAGE_MIN, HID_ITEM_TYPE_LOCAL, 1), a
 
#define HID_USAGE_MAX8(a)               \
        HID_ITEM(HID_ITEM_TAG_USAGE_MAX, HID_ITEM_TYPE_LOCAL, 1), a
 
#define HID_USAGE_MIN16(a, b)           \
        HID_ITEM(HID_ITEM_TAG_USAGE_MIN, HID_ITEM_TYPE_LOCAL, 2), a, b
 
#define HID_USAGE_MAX16(a, b)           \
        HID_ITEM(HID_ITEM_TAG_USAGE_MAX, HID_ITEM_TYPE_LOCAL, 2), a, b
 
#define HID_MOUSE_REPORT_DESC(bcnt) {                           \
        HID_USAGE_PAGE(HID_USAGE_GEN_DESKTOP),                  \
        HID_USAGE(HID_USAGE_GEN_DESKTOP_MOUSE),                 \
        HID_COLLECTION(HID_COLLECTION_APPLICATION),             \
                HID_USAGE(HID_USAGE_GEN_DESKTOP_POINTER),       \
                HID_COLLECTION(HID_COLLECTION_PHYSICAL),        \
                        /* Bits used for button signalling */   \
                        HID_USAGE_PAGE(HID_USAGE_GEN_BUTTON),   \
                        HID_USAGE_MIN8(1),                      \
                        HID_USAGE_MAX8(bcnt),                   \
                        HID_LOGICAL_MIN8(0),                    \
                        HID_LOGICAL_MAX8(1),                    \
                        HID_REPORT_SIZE(1),                     \
                        HID_REPORT_COUNT(bcnt),                 \
                        /* HID_INPUT (Data,Var,Abs) */          \
                        HID_INPUT(0x02),                        \
                        /* Unused bits */                       \
                        HID_REPORT_SIZE(8 - bcnt),              \
                        HID_REPORT_COUNT(1),                    \
                        /* HID_INPUT (Cnst,Ary,Abs) */          \
                        HID_INPUT(1),                           \
                        /* X and Y axis, scroll */              \
                        HID_USAGE_PAGE(HID_USAGE_GEN_DESKTOP),  \
                        HID_USAGE(HID_USAGE_GEN_DESKTOP_X),     \
                        HID_USAGE(HID_USAGE_GEN_DESKTOP_Y),     \
                        HID_USAGE(HID_USAGE_GEN_DESKTOP_WHEEL), \
                        HID_LOGICAL_MIN8(-127),                 \
                        HID_LOGICAL_MAX8(127),                  \
                        HID_REPORT_SIZE(8),                     \
                        HID_REPORT_COUNT(3),                    \
                        /* HID_INPUT (Data,Var,Rel) */          \
                        HID_INPUT(0x06),                        \
                HID_END_COLLECTION,                             \
        HID_END_COLLECTION,                                     \
}
 
#define HID_KEYBOARD_REPORT_DESC() {                            \
        HID_USAGE_PAGE(HID_USAGE_GEN_DESKTOP),                  \
        HID_USAGE(HID_USAGE_GEN_DESKTOP_KEYBOARD),              \
        HID_COLLECTION(HID_COLLECTION_APPLICATION),             \
                HID_USAGE_PAGE(HID_USAGE_GEN_DESKTOP_KEYPAD),   \
                /* HID_USAGE_MINIMUM(Keyboard LeftControl) */   \
                HID_USAGE_MIN8(0xE0),                           \
                /* HID_USAGE_MAXIMUM(Keyboard Right GUI) */     \
                HID_USAGE_MAX8(0xE7),                           \
                HID_LOGICAL_MIN8(0),                            \
                HID_LOGICAL_MAX8(1),                            \
                HID_REPORT_SIZE(1),                             \
                HID_REPORT_COUNT(8),                            \
                /* HID_INPUT(Data,Var,Abs) */                   \
                HID_INPUT(0x02),                                \
                HID_REPORT_SIZE(8),                             \
                HID_REPORT_COUNT(1),                            \
                /* HID_INPUT(Cnst,Var,Abs) */                   \
                HID_INPUT(0x03),                                \
                HID_REPORT_SIZE(1),                             \
                HID_REPORT_COUNT(5),                            \
                HID_USAGE_PAGE(HID_USAGE_GEN_LEDS),             \
                /* HID_USAGE_MINIMUM(Num Lock) */               \
                HID_USAGE_MIN8(1),                              \
                /* HID_USAGE_MAXIMUM(Kana) */                   \
                HID_USAGE_MAX8(5),                              \
                /* HID_OUTPUT(Data,Var,Abs) */                  \
                HID_OUTPUT(0x02),                               \
                HID_REPORT_SIZE(3),                             \
                HID_REPORT_COUNT(1),                            \
                /* HID_OUTPUT(Cnst,Var,Abs) */                  \
                HID_OUTPUT(0x03),                               \
                HID_REPORT_SIZE(8),                             \
                HID_REPORT_COUNT(6),                            \
                HID_LOGICAL_MIN8(0),                            \
                HID_LOGICAL_MAX8(101),                          \
                HID_USAGE_PAGE(HID_USAGE_GEN_DESKTOP_KEYPAD),   \
                /* HID_USAGE_MIN8(Reserved) */                  \
                HID_USAGE_MIN8(0),                              \
                /* HID_USAGE_MAX8(Keyboard Application) */      \
                HID_USAGE_MAX8(101),                            \
                /* HID_INPUT (Data,Ary,Abs) */                  \
                HID_INPUT(0x00),                                \
        HID_END_COLLECTION,                                     \
}
 
enum hid_kbd_code {
        HID_KEY_A               = 4,
        HID_KEY_B               = 5,
        HID_KEY_C               = 6,
        HID_KEY_D               = 7,
        HID_KEY_E               = 8,
        HID_KEY_F               = 9,
        HID_KEY_G               = 10,
        HID_KEY_H               = 11,
        HID_KEY_I               = 12,
        HID_KEY_J               = 13,
        HID_KEY_K               = 14,
        HID_KEY_L               = 15,
        HID_KEY_M               = 16,
        HID_KEY_N               = 17,
        HID_KEY_O               = 18,
        HID_KEY_P               = 19,
        HID_KEY_Q               = 20,
        HID_KEY_R               = 21,
        HID_KEY_S               = 22,
        HID_KEY_T               = 23,
        HID_KEY_U               = 24,
        HID_KEY_V               = 25,
        HID_KEY_W               = 26,
        HID_KEY_X               = 27,
        HID_KEY_Y               = 28,
        HID_KEY_Z               = 29,
        HID_KEY_1               = 30,
        HID_KEY_2               = 31,
        HID_KEY_3               = 32,
        HID_KEY_4               = 33,
        HID_KEY_5               = 34,
        HID_KEY_6               = 35,
        HID_KEY_7               = 36,
        HID_KEY_8               = 37,
        HID_KEY_9               = 38,
        HID_KEY_0               = 39,
        HID_KEY_ENTER           = 40,
        HID_KEY_ESC             = 41,
        HID_KEY_BACKSPACE       = 42,
        HID_KEY_TAB             = 43,
        HID_KEY_SPACE           = 44,
        HID_KEY_MINUS           = 45,
        HID_KEY_EQUAL           = 46,
        HID_KEY_LEFTBRACE       = 47,
        HID_KEY_RIGHTBRACE      = 48,
        HID_KEY_BACKSLASH       = 49,
        HID_KEY_HASH            = 50, /* Non-US # and ~ */
        HID_KEY_SEMICOLON       = 51,
        HID_KEY_APOSTROPHE      = 52,
        HID_KEY_GRAVE           = 53,
        HID_KEY_COMMA           = 54,
        HID_KEY_DOT             = 55,
        HID_KEY_SLASH           = 56,
        HID_KEY_CAPSLOCK        = 57,
        HID_KEY_F1              = 58,
        HID_KEY_F2              = 59,
        HID_KEY_F3              = 60,
        HID_KEY_F4              = 61,
        HID_KEY_F5              = 62,
        HID_KEY_F6              = 63,
        HID_KEY_F7              = 64,
        HID_KEY_F8              = 65,
        HID_KEY_F9              = 66,
        HID_KEY_F10             = 67,
        HID_KEY_F11             = 68,
        HID_KEY_F12             = 69,
        HID_KEY_SYSRQ           = 70, /* PRINTSCREEN */
        HID_KEY_SCROLLLOCK      = 71,
        HID_KEY_PAUSE           = 72,
        HID_KEY_INSERT          = 73,
        HID_KEY_HOME            = 74,
        HID_KEY_PAGEUP          = 75,
        HID_KEY_DELETE          = 76,
        HID_KEY_END             = 77,
        HID_KEY_PAGEDOWN        = 78,
        HID_KEY_RIGHT           = 79,
        HID_KEY_LEFT            = 80,
        HID_KEY_DOWN            = 81,
        HID_KEY_UP              = 82,
        HID_KEY_NUMLOCK         = 83,
        HID_KEY_KPSLASH         = 84, /* NUMPAD DIVIDE */
        HID_KEY_KPASTERISK      = 85, /* NUMPAD MULTIPLY */
        HID_KEY_KPMINUS         = 86,
        HID_KEY_KPPLUS          = 87,
        HID_KEY_KPENTER         = 88,
        HID_KEY_KP_1            = 89,
        HID_KEY_KP_2            = 90,
        HID_KEY_KP_3            = 91,
        HID_KEY_KP_4            = 92,
        HID_KEY_KP_5            = 93,
        HID_KEY_KP_6            = 94,
        HID_KEY_KP_7            = 95,
        HID_KEY_KP_8            = 96,
        HID_KEY_KP_9            = 97,
        HID_KEY_KP_0            = 98,
};
 
enum hid_kbd_modifier {
        HID_KBD_MODIFIER_NONE           = 0x00,
        HID_KBD_MODIFIER_LEFT_CTRL      = 0x01,
        HID_KBD_MODIFIER_LEFT_SHIFT     = 0x02,
        HID_KBD_MODIFIER_LEFT_ALT       = 0x04,
        HID_KBD_MODIFIER_LEFT_UI        = 0x08,
        HID_KBD_MODIFIER_RIGHT_CTRL     = 0x10,
        HID_KBD_MODIFIER_RIGHT_SHIFT    = 0x20,
        HID_KBD_MODIFIER_RIGHT_ALT      = 0x40,
        HID_KBD_MODIFIER_RIGHT_UI       = 0x80,
};
 
enum hid_kbd_led {
        HID_KBD_LED_NUM_LOCK    = 0x01,
        HID_KBD_LED_CAPS_LOCK   = 0x02,
        HID_KBD_LED_SCROLL_LOCK = 0x04,
        HID_KBD_LED_COMPOSE     = 0x08,
        HID_KBD_LED_KANA        = 0x10,
};
 
#ifdef __cplusplus
}
#endif
 
#endif /* ZEPHYR_INCLUDE_USB_CLASS_HID_H_ */