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author | Jack Humbert <jack.humb@gmail.com> | 2017-05-27 18:09:52 -0400 |
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committer | Jack Humbert <jack.humb@gmail.com> | 2017-05-27 18:09:52 -0400 |
commit | 704794bae3bf96541b0362ea38b84706d5ee6958 (patch) | |
tree | 866be7a6a63cb8e5f6f7c236303a796239ed9eae /docs/FAQ-Keymap.md | |
parent | d24da945d1dbfbe81177dd6611b0d5a27ab8344f (diff) | |
parent | e229dcadb5c9f8c09f14a439fe5a4c7c48ba2249 (diff) |
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diff --git a/docs/FAQ-Keymap.md b/docs/FAQ-Keymap.md new file mode 100644 index 0000000000..7c73f571fe --- /dev/null +++ b/docs/FAQ-Keymap.md @@ -0,0 +1,248 @@ +## READ FIRST +https://github.com/tmk/tmk_core/blob/master/doc/keymap.md + +## How to get keycode +See [Keycodes](Keycodes). Keycodes are actually defined in [common/keycode.h](https://github.com/qmk/qmk_firmware/blob/master/tmk_core/common/keycode.h). + +## Sysrq key +Use keycode for Print Screen(`KC_PSCREEN` or `KC_PSCR`) instead of `KC_SYSREQ`. Key combination of 'Alt + Print Screen' is recognized as 'System request'. + +See [issue #168](https://github.com/tmk/tmk_keyboard/issues/168) and +- http://en.wikipedia.org/wiki/Magic_SysRq_key +- http://en.wikipedia.org/wiki/System_request + +## Power key doesn't work +Use `KC_PWR` instead of `KC_POWER` or vice versa. +- `KC_PWR` works with Windows and Linux, not with OSX. +- `KC_POWER` works with OSX and Linux, not with Windows. + +http://geekhack.org/index.php?topic=14290.msg1327264#msg1327264 + +## Oneshot modifier +Solves my personal 'the' problem. I often got 'the' or 'THe' wrongly instead of 'The'. Oneshot Shift mitgates this for me. +https://github.com/tmk/tmk_keyboard/issues/67 + +## Modifier/Layer stuck +Modifier keys or layers can be stuck unless layer switching is configured properly. +For Modifier keys and layer actions you have to place `KC_TRANS` on same position of destination layer to unregister the modifier key or return to previous layer on release event. + +- https://github.com/tmk/tmk_core/blob/master/doc/keymap.md#31-momentary-switching +- http://geekhack.org/index.php?topic=57008.msg1492604#msg1492604 +- https://github.com/tmk/tmk_keyboard/issues/248 + + +## Mechanical Lock Switch Support +https://github.com/tmk/tmk_keyboard#mechanical-locking-support + +This feature is for *mechanical lock switch* like this Alps one. +http://deskthority.net/wiki/Alps_SKCL_Lock + +Using enabling this feature and using keycodes `LCAP`, `LNUM` or `LSCR` in keymap you can use physical locking CapsLock, NumLock or ScrollLock keys as you expected. + +Old vintage mechanical keyboards occasionally have lock switches but modern ones don't have. ***You don't need this feature in most case and just use keycodes `CAPS`, `NLCK` and `SLCK`.*** + + +## Input special charactors other than ASCII like Cédille 'Ç' +NO UNIVERSAL METHOD TO INPUT THOSE WORKS OVER ALL SYSTEMS. You have to define **MACRO** in way specific to your OS or layout. + +See this post for example **MACRO** code. + +http://deskthority.net/workshop-f7/tmk-keyboard-firmware-collection-t4478-120.html#p195620 + +On **Windows** you can use `AltGr` key or **Alt code**. +- http://en.wikipedia.org/wiki/AltGr_key +- http://en.wikipedia.org/wiki/Alt_code + +On **Mac** OS defines `Option` key combinations. +- http://en.wikipedia.org/wiki/Option_key#Alternative_keyboard_input + +On **Xorg** you can use `compose` key, instead. +- http://en.wikipedia.org/wiki/Compose_key + +And see this for **Unicode** input. +- http://en.wikipedia.org/wiki/Unicode_input + + +## Apple/Mac keyboard Fn +Not supported. + +Apple/Mac keyboard sends keycode for Fn unlike most of other keyboards. +I think you can send Apple Fn key using Apple venter specific Page 0xff01 and usage 0x0003. But you have to change HID Report Descriptor for this, of course. + +https://opensource.apple.com/source/IOHIDFamily/IOHIDFamily-606.1.7/IOHIDFamily/AppleHIDUsageTables.h + + +## Media control keys in Mac OSX +#### KC_MNXT and KC_MPRV does not work on Mac +Use `KC_MFFD`(`KC_MEDIA_FAST_FORWARD`) and `KC_MRWD`(`KC_MEDIA_REWIND`) instead of `KC_MNXT` and `KC_MPRV`. +See https://github.com/tmk/tmk_keyboard/issues/195 + + +## Keys supported in Mac OSX? +You can know which keycodes are supported in OSX from this source code. + +`usb_2_adb_keymap` array maps Keyboard/Keypad Page usages to ADB scancodes(OSX internal keycodes). + +https://opensource.apple.com/source/IOHIDFamily/IOHIDFamily-606.1.7/IOHIDFamily/Cosmo_USB2ADB.c + +And `IOHIDConsumer::dispatchConsumerEvent` handles Consumer page usages. + +https://opensource.apple.com/source/IOHIDFamily/IOHIDFamily-606.1.7/IOHIDFamily/IOHIDConsumer.cpp + + +## JIS keys in Mac OSX +Japanese JIS keyboard specific keys like `無変換(Muhenkan)`, `変換(Henkan)`, `ひらがな(hiragana)` are not recognized on OSX. You can use **Seil** to enable those keys, try following options. + +* Enable NFER Key on PC keyboard +* Enable XFER Key on PC keyboard +* Enable KATAKANA Key on PC keyboard + +https://pqrs.org/osx/karabiner/seil.html + + +## RN-42 Bluetooth doesn't work with Karabiner +Karabiner - Keymapping tool on Mac OSX - ignores inputs from RN-42 module by default. You have to enable this option to make Karabiner working with your keyboard. +https://github.com/tekezo/Karabiner/issues/403#issuecomment-102559237 + +See these for the deail of this problem. +https://github.com/tmk/tmk_keyboard/issues/213 +https://github.com/tekezo/Karabiner/issues/403 + + +## Esc and `~ on a key + + +You can define FC660 and Poker style ESC with `ACTION_LAYER_MODS`. +https://github.com/tmk/tmk_core/blob/master/doc/keymap.md#35-momentary-switching-with-modifiers + +``` +#include "keymap_common.h" + + +/* Leopold FC660 + * https://elitekeyboards.com/products.php?sub=leopold,compact&pid=fc660c + * Shift + Esc = ~ + * Fn + Esc = ` + * + * Votex Poker II + * https://adprice.fedorapeople.org/poker2_manual.pdf + * Fn + Esc = ` + * Fn + Shift + Esc = ~ + */ +const uint8_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = { + /* 0: qwerty */ + [0] = KEYMAP( \ + ESC, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, MINS,EQL, NUHS,BSPC, \ + TAB, Q, W, E, R, T, Y, U, I, O, P, LBRC,RBRC,BSLS, \ + LCTL,A, S, D, F, G, H, J, K, L, SCLN,QUOT,ENT, \ + FN0, NUBS,Z, X, C, V, B, N, M, COMM,DOT, SLSH,RSFT,ESC, \ + LCTL,LGUI,LALT, SPC, RALT,FN1, RGUI,RCTL), + [1] = KEYMAP( \ + GRV, TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS, \ + TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,\ + TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS, \ + TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS, \ + TRNS,TRNS,TRNS, TRNS, TRNS,TRNS,TRNS,TRNS), + [2] = KEYMAP( \ + GRV, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, TRNS,TRNS, \ + TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,\ + TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS, \ + TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS, \ + TRNS,TRNS,TRNS, TRNS, TRNS,TRNS,TRNS,TRNS), +}; + +const uint16_t PROGMEM fn_actions[] = { + // https://github.com/tmk/tmk_core/blob/master/doc/keymap.md#35-momentary-switching-with-modifiers + [0] = ACTION_LAYER_MODS(1, MOD_LSFT), + [1] = ACTION_LAYER_MOMENTARY(2), +}; +``` + +Otherwise, you can write code, see this. +https://github.com/p3lim/keyboard_firmware/commit/fd799c12b69a5ab5addd1d4c03380a1b8ef8e9dc + + +## 32 Fn keys are not enough? +### actionmap +It uses 16 bit codes and has no limitation of 32 Fn at the expense of memory space. TMK keymap is actually is 8 bit codes as subset of the actionmap. +https://github.com/tmk/tmk_keyboard/issues?utf8=%E2%9C%93&q=is%3Aissue+actionmap + +### extension for modified keys +https://geekhack.org/index.php?topic=41989.msg1885526#msg1885526 + + +## Arrow on Right Modifier keys with Dual-Role +This turns right modifer keys into arrow keys when the keys are tapped while still modifiers when the keys are hold. In TMK the dual-role function is dubbed **TAP**. +``` +#include "keymap_common.h" + + +/* Arrow keys on right modifier keys with TMK dual role feature + * + * https://github.com/tmk/tmk_core/blob/master/doc/keymap.md#213-modifier-with-tap-keydual-role + * https://en.wikipedia.org/wiki/Modifier_key#Dual-role_keys + */ +const uint8_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = { + /* 0: qwerty */ + [0] = KEYMAP( \ + ESC, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, MINS,EQL, NUHS,BSPC, \ + TAB, Q, W, E, R, T, Y, U, I, O, P, LBRC,RBRC,BSLS, \ + LCTL,A, S, D, F, G, H, J, K, L, SCLN,QUOT,ENT, \ + LSFT,NUBS,Z, X, C, V, B, N, M, COMM,DOT, SLSH,FN0, ESC, \ + FN4, LGUI,LALT, SPC, APP, FN2, FN1, FN3), + [1] = KEYMAP( \ + GRV, F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12, TRNS,TRNS, \ + TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,\ + TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS, \ + TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,TRNS,FN5, TRNS, \ + TRNS,TRNS,TRNS, TRNS, TRNS,FN7, FN6, FN8), +}; + +const uint16_t PROGMEM fn_actions[] = { + [0] = ACTION_MODS_TAP_KEY(MOD_RSFT, KC_UP), + [1] = ACTION_MODS_TAP_KEY(MOD_RGUI, KC_DOWN), + [2] = ACTION_MODS_TAP_KEY(MOD_RALT, KC_LEFT), + [3] = ACTION_MODS_TAP_KEY(MOD_RCTL, KC_RIGHT), + [4] = ACTION_LAYER_MOMENTARY(1), + [5] = ACTION_MODS_TAP_KEY(MOD_RSFT, KC_PGUP), + [6] = ACTION_MODS_TAP_KEY(MOD_RGUI, KC_PGDN), + [7] = ACTION_MODS_TAP_KEY(MOD_RALT, KC_HOME), + [8] = ACTION_MODS_TAP_KEY(MOD_RCTL, KC_END), +}; + +``` + + +Dual-role key: https://en.wikipedia.org/wiki/Modifier_key#Dual-role_keys + + +## Eject on Mac OSX +`EJCT` keycode works on OSX. https://github.com/tmk/tmk_keyboard/issues/250 +It seems Windows 10 ignores the code and Linux/Xorg recognizes but has no mapping by default. + +Not sure what keycode Eject is on genuine Apple keyboard actually. HHKB uses `F20` for Eject key(`Fn+f`) on Mac mode but this is not same as Apple Eject keycode probably. + + + +## What's weak_mods and real_mods in action_util.c +___TO BE IMPROVED___ + +real_mods is intended to retains state of real/physical modifier key state, while +weak_mods retains state of virtual or temprary modifiers which should not affect state real modifier key. + +Let's say you hold down physical left shift key and type ACTION_MODS_KEY(LSHIFT, KC_A), + +with weak_mods, +* (1) hold down left shift: real_mods |= MOD_BIT(LSHIFT) +* (2) press ACTION_MODS_KEY(LSHIFT, KC_A): weak_mods |= MOD_BIT(LSHIFT) +* (3) release ACTION_MODS_KEY(LSHIFT, KC_A): waek_mods &= ~MOD_BIT(LSHIFT) +real_mods still keeps modifier state. + +without weak mods, +* (1) hold down left shift: real_mods |= MOD_BIT(LSHIFT) +* (2) press ACTION_MODS_KEY(LSHIFT, KC_A): real_mods |= MOD_BIT(LSHIFT) +* (3) release ACTION_MODS_KEY(LSHIFT, KC_A): real_mods &= ~MOD_BIT(LSHIFT) +here real_mods lost state for 'physical left shift'. + +weak_mods is ORed with real_mods when keyboard report is sent. +https://github.com/tmk/tmk_core/blob/master/common/action_util.c#L57
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