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jlj-qmk/docs/quantum_keycodes.md

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Quantum Keycodes

Something important to realise with keycodes is that they are all numbers between 0x0 and 0xFFFF - even though they may look like functions, words, or phrases, they are all shortcuts to some number. This allows us to define all of what they do in different places, and store keymaps in a relatively small place (arrays). If you try to "call" a keycode by placing it somewhere besides a keymap, it may compile, but it won't do anything useful.

All keycodes on this page have a value above 0xFF (values less are considered the basic keycodes) and won't work with any of the mod/layer-tap keys listed at the bottom.

  • SAFE_RANGE is always the last keycode in the quantum list, and where custom lists can begin

  • RESET puts the keyboard into DFU mode for flashing

  • DEBUG toggles debug mode

  • Shortcuts for bootmagic options (work when bootmagic is off)

    • MAGIC_SWAP_CONTROL_CAPSLOCK
    • MAGIC_CAPSLOCK_TO_CONTROL
    • MAGIC_SWAP_LALT_LGUI
    • MAGIC_SWAP_RALT_RGUI
    • MAGIC_NO_GUI
    • MAGIC_SWAP_GRAVE_ESC
    • MAGIC_SWAP_BACKSLASH_BACKSPACE
    • MAGIC_HOST_NKRO
    • MAGIC_SWAP_ALT_GUI/AG_SWAP
    • MAGIC_UNSWAP_CONTROL_CAPSLOCK
    • MAGIC_UNCAPSLOCK_TO_CONTROL
    • MAGIC_UNSWAP_LALT_LGUI
    • MAGIC_UNSWAP_RALT_RGUI
    • MAGIC_UNNO_GUI
    • MAGIC_UNSWAP_GRAVE_ESC
    • MAGIC_UNSWAP_BACKSLASH_BACKSPACE
    • MAGIC_UNHOST_NKRO
    • MAGIC_UNSWAP_ALT_GUI/AG_NORM
    • MAGIC_TOGGLE_NKRO

  • KC_GESC/GRAVE_ESC acts as escape when pressed normally but when pressed with a mod will send a ~

  • KC_LSPO left shift when held, open paranthesis when tapped

  • KC_RSPC right shift when held, close paranthesis when tapped

  • KC_LEAD the leader key

  • FUNC(n)/F(n) to call fn_action n

  • M(n) to call macro n

  • MACROTAP(n) to macro-tap n idk FIXME

Audio

#ifdef AUDIO_ENABLE
    AU_ON,
    AU_OFF,
    AU_TOG,

    #ifdef FAUXCLICKY_ENABLE
        FC_ON,
        FC_OFF,
        FC_TOG,
    #endif

    // Music mode on/off/toggle
    MU_ON,
    MU_OFF,
    MU_TOG,

    // Music voice iterate
    MUV_IN,
    MUV_DE,
#endif

Midi

#if !MIDI_ENABLE_STRICT || (defined(MIDI_ENABLE) && defined(MIDI_BASIC)) MI_ON, // send midi notes when music mode is enabled MI_OFF, // don't send midi notes when music mode is enabled #endif

MIDI_TONE_MIN, MIDI_TONE_MAX

MI_C = MIDI_TONE_MIN, MI_Cs, MI_Db = MI_Cs, MI_D, MI_Ds, MI_Eb = MI_Ds, MI_E, MI_F, MI_Fs, MI_Gb = MI_Fs, MI_G, MI_Gs, MI_Ab = MI_Gs, MI_A, MI_As, MI_Bb = MI_As, MI_B,

MIDI_TONE_KEYCODE_OCTAVES > 1

where x = 1-5: MI_C_x, MI_Cs_x, MI_Db_x = MI_Cs_x, MI_D_x, MI_Ds_x, MI_Eb_x = MI_Ds_x, MI_E_x, MI_F_x, MI_Fs_x, MI_Gb_x = MI_Fs_x, MI_G_x, MI_Gs_x, MI_Ab_x = MI_Gs_x, MI_A_x, MI_As_x, MI_Bb_x = MI_As_x, MI_B_x,

MI_OCT_Nx 1-2 MI_OCT_x 0-7 MIDI_OCTAVE_MIN = MI_OCT_N2, MIDI_OCTAVE_MAX = MI_OCT_7, MI_OCTD, // octave down MI_OCTU, // octave up

MI_TRNS_Nx 1-6 MI_TRNS_x 0-6 MIDI_TRANSPOSE_MIN = MI_TRNS_N6, MIDI_TRANSPOSE_MAX = MI_TRNS_6, MI_TRNSD, // transpose down MI_TRNSU, // transpose up

MI_VEL_x 1-10 MIDI_VELOCITY_MIN = MI_VEL_1, MIDI_VELOCITY_MAX = MI_VEL_10, MI_VELD, // velocity down MI_VELU, // velocity up

MI_CHx 1-16 MIDI_CHANNEL_MIN = MI_CH1 MIDI_CHANNEL_MAX = MI_CH16, MI_CHD, // previous channel MI_CHU, // next channel

MI_ALLOFF, // all notes off

MI_SUS, // sustain MI_PORT, // portamento MI_SOST, // sostenuto MI_SOFT, // soft pedal MI_LEG, // legato

MI_MOD, // modulation MI_MODSD, // decrease modulation speed MI_MODSU, // increase modulation speed #endif // MIDI_ADVANCED

Backlight

  • BL_x where x = 0-15
  • BL_ON = BL_9
  • BL_OFF = BL_0
  • BL_DEC
  • BL_INC
  • BL_TOGG
  • BL_STEP

RGB WS2818 LEDs

  • RGB_TOG toggle on/off
  • RGB_MOD cycle between modes
  • RGB_HUI hue increase
  • RGB_HUD hue decrease
  • RGB_SAI saturation increase
  • RGB_SAD saturation decrease
  • RGB_VAI value increase
  • RGB_VAD value decrease

Thermal Printer (experimental)

  • PRINT_ON
  • PRINT_OFF

Keyboard output selection

  • OUT_AUTO auto mode
  • OUT_USB usb only
  • OUT_BT bluetooth (when BLUETOOTH_ENABLE)

Modifiers

  • KC_HYPR LCTL + LSFT + LALT + LGUI - MOD_HYPR is the bit version
  • KC_MEH LCTL + LSFT + LALT - MOD_MEH is the bit version

Modifiers with keys

  • LCTL(kc) LCTL + kc

  • LSFT(kc)/S(kc) LSFT + kc

  • LALT(kc) LALT + kc

  • LGUI(kc) LGUI + kc

  • RCTL(kc) RCTL + kc

  • RSFT(kc) RSFT + kc

  • RALT(kc) RALT + kc

  • RGUI(kc) RGUI + kc

  • HYPR(kc) LCTL + LSFT + LALT + LGUI + kc

  • MEH(kc) LCTL + LSFT + LALT + kc

  • LCAG(kc) LCTL + LALT + LGUI + kc

  • ALTG(kc) RCTL + RALT + kc

  • SCMD(kc)/SWIN(kc) LGUI + LSFT + kc

  • LCA(kc) LCTL + LALT + kc

  • OSM(mod) use mod for one keypress - use mod bits with this

Mod bits are the 4-letter part of the keycode prefixed with MOD_, e.g. MOD_LCTL

Mod-tap keys

These keycodes will press the mod(s) when held, and the key when tapped. They only work with basic keycodes.

  • CTL_T(kc)/LCTL_T(kc) LCTL when held, kc when tapped

  • RCTL_T(kc) RCTL when held, kc when tapped

  • SFT_T(kc)/LSFT_T(kc) LSFT when held, kc when tapped

  • RSFT_T(kc) RSFT when held, kc when tapped

  • ALT_T(kc)/LALT_T(kc) LALT when held, kc when tapped

  • RALT_T(kc)/ALGR_T(kc) RALT when held, kc when tapped

  • GUI_T(kc)/LGUI_T(kc) LGUI when held, kc when tapped

  • RGUI_T(kc) RGUI when held, kc when tapped

  • C_S_T(kc) LCTL + LSFT when held, kc when tapped

  • MEH_T(kc) LCTL + LSFT + LALT when held, kc when tapped

  • LCAG_T(kc) LCTL + LALT + LGUI when held, kc when tapped

  • RCAG_T(kc) RCTL + RALT + RGUI when held, kc when tapped

  • ALL_T(kc) LCTL + LSFT + LALT + LGUI when held, kc tapped more info

  • SCMD_T(kc)/SWIN_T(kc) LGUI + LSFT when held, kc when tapped

  • LCA_T(kc) LCTL + LALT when held, kc when tapped

Shifted symbols

It's important to remember that all of the keycodes also send a left shift - this may cause unintended actions if unaccounted for. The 4-letter code is preferred in most situations.

  • KC_TILD/KC_TILDE tilde ~
  • KC_EXLM/KC_EXCLAIM exclamation mark !
  • KC_AT at sign @
  • KC_HASH hash sign #
  • KC_DLR/KC_DOLLAR dollar sign $
  • KC_PERC/KC_PERCENT percent sign %
  • KC_CIRC/KC_CIRCUMFLEX circumflex ^
  • KC_AMPR/KC_AMPERSAND ampersand &
  • KC_ASTR/KC_ASTERISK asterisk *
  • KC_LPRN/KC_LEFT_PAREN left parenthesis (
  • KC_RPRN/KC_RIGHT_PAREN right parenthesis )
  • KC_UNDS/KC_UNDERSCORE underscore _
  • KC_PLUS plus sign +
  • KC_LCBR/KC_LEFT_CURLY_BRACE left curly brace {
  • KC_RCBR/KC_RIGHT_CURLY_BRACE right curly brace }
  • KC_LT/KC_LABK/KC_LEFT_ANGLE_BRACKET left angle bracket <
  • KC_GT/KC_RABK/KC_RIGHT_ANGLE_BRACKET right angle bracket >
  • KC_COLN/KC_COLON colon :
  • KC_PIPE pipe |
  • KC_QUES/KC_QUESTION question mark ?
  • KC_DQT/KC_DOUBLE_QUOTE/KC_DQUO double quote "

Layer adjustments

  • LT(layer, kc) turn on layer (0-15) when held, kc (basic keycodes) when tapped
  • TO(layer) turn on layer when depressed
  • MO(layer) momentarily turn on layer when depressed (requires KC_TRNS on destination layer)
  • DF(layer) sets the base (default) layer
  • TG(layer) toggle layer on/off
  • OSL(layer) switch to layer for one keycode
  • TT(layer) tap toggle? idk FIXME

Unicode

  • UNICODE(n)/UC(n) if UNICODE_ENABLE, this will send characters up to 0x7FFF
  • X(n) if UNICODEMAP_ENABLE, also sends unicode via a different method