X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=doc%2Fkeymap.md;h=11feeac218c37470095fbc48e00c9df9ee2f312d;hb=fa545c87f74833856761572ef631d20accc1d026;hp=77e615a3ed5d1f5ac880fb3af94b338f0ee01f54;hpb=6b155432ddcc613ecb1e1c1decf46d61faf09e77;p=tmk_firmware.git diff --git a/doc/keymap.md b/doc/keymap.md index 77e615a..11feeac 100644 --- a/doc/keymap.md +++ b/doc/keymap.md @@ -68,7 +68,7 @@ On the other hand, you shall change `layer_state` to overlay base layer with som Note that ***higher layer has higher priority on stack of layers***, namely firmware falls down from top layer to bottom to look up keycode. Once it spots keycode other than **`KC_TRNS`**(transparent) on a layer it stops searching and lower layers aren't referred. You can place `KC_TRNS` on overlay layer changes just part of layout to fall back on lower or base layer. -Key with `KC_TRANS` doen't has its own keycode and refers to lower valid layers for keycode, instead. +Key with `KC_TRANS` doesn't has its own keycode and refers to lower valid layers for keycode, instead. See example below. @@ -155,12 +155,12 @@ You can find other keymap definitions in file `keymap.c` located on project dire ## 1. Keycode -See [`common/keycode.h`](../common/keycode.h) or keycode table below for the detail. Keycode is internal **8bit code** to inidicate action performed on key in keymap. Keycode has `KC_` prefixed symbol respectively. Most of keycodes like `KC_A` have simple action registers key to host on press and unregister on release, while some of other keycodes has some special actions like `Fn` keys, Media contorl keys, System control keys and Mousekeys. +See [`common/keycode.h`](../common/keycode.h) or keycode table below for the detail. Keycode is internal **8bit code** to indicate action performed on key in keymap. Keycode has `KC_` prefixed symbol respectively. Most of keycodes like `KC_A` have simple action registers key to host on press and unregister on release, while some of other keycodes has some special actions like `Fn` keys, Media control keys, System control keys and Mousekeys. ***In `KEYMAP()` macro you should omit prefix part `KC_` of keycode to keep keymap compact.*** For example, just use `A` instead you place `KC_A` in `KEYMAP()`. Some keycodes has 4-letter **short name** in addition to descriptive name, you'll prefer short one in `KEYMAP()`. ### 1.0 Other key -- `KC_NO` for no aciton +- `KC_NO` for no action - `KC_TRNS` for layer transparency (See above) ### 1.1 Normal key @@ -192,7 +192,7 @@ There are 8 modifiers which has discrimination between left and right. - `KC_WSCH`, `KC_WHOM`, `KC_WBAK`, `KC_WFWD`, `KC_WSTP`, `KC_WREF`, `KC_WFAV` for web browser operation ### 1.5 Fn key -`KC_FNnn` are keycodes for `Fn` key which not given any actions at the beginning unlike most of keycodes has its own inborn action. To use these keycodes in `KEYMAP()` you need to assign action you want at first. Action of `Fn` key is defined in `fn_actions[]` and its index of the array is identical with number part of `KC_FNnn`. Thus `KC_FN0` keyocde indicates the action defined in first element of the array. ***32 `Fn` keys can be defined at most.*** +`KC_FNnn` are keycodes for `Fn` key which not given any actions at the beginning unlike most of keycodes has its own inborn action. To use these keycodes in `KEYMAP()` you need to assign action you want at first. Action of `Fn` key is defined in `fn_actions[]` and its index of the array is identical with number part of `KC_FNnn`. Thus `KC_FN0` keycode indicates the action defined in first element of the array. ***32 `Fn` keys can be defined at most.*** ### 1.6 Keycode Table See keycode table in [`doc/keycode.txt`](./keycode.txt) for description of keycodes. @@ -203,16 +203,22 @@ There are 8 modifiers which has discrimination between left and right. ## 2. Action -See [`common/action.h`](../common/action.h). Action is a **16bit code** and defines function to perform on events of a key like press, release, holding and tapping. +See [`common/action_code.h`](../common/action_code.h). Action is a **16bit code** and defines function to perform on events of a key like press, release, holding and tapping. -Most of keys just register 8bit scancode to host, but to support other complex features needs 16bit extended action codes internally. However, using 16bit action codes in keymap results in double size in memory compared to using jsut keycodes. To avoid this waste 8bit keycodes are used in `KEYMAP()` instead of action codes. +Most of keys just register 8bit scancode to host, but to support other complex features needs 16bit extended action codes internally. However, using 16bit action codes in keymap results in double size in memory compared to using just keycodes. To avoid this waste 8bit keycodes are used in `KEYMAP()` instead of action codes. ***You can just use keycodes of `Normal key`, `Modifier`, `Mousekey` and `System & Media key` in keymap*** to indicate corresponding actions instead of using action codes. While ***to use other special actions you should use keycode of `Fn` key defined in `fn_actions[]`.*** -### 2.1 Key action +### 2.1 Key Action This is a simple action that registers scancodes(HID usage in fact) to host on press event of key and unregister on release. +#### Parameters ++ **mods**: { ` MOD_LCTL`, ` MOD_LSFT`, ` MOD_LALT`, ` MOD_LGUI`, + ` MOD_RCTL`, ` MOD_RSFT`, ` MOD_RALT`, ` MOD_RGUI` } ++ **key**: keycode + + #### 2.1.1 Normal key and Modifier ***This action usually won't be used expressly in keymap*** because you can just use keycodes in `KEYMAP()` instead. @@ -221,72 +227,77 @@ You can define these actions on *'A'* key and *'left shift'* modifier with: ACTION_KEY(KC_A) ACTION_KEY(KC_LSFT) -#### 2.1.2 Key with modifiers +#### 2.1.2 Modified key This action is comprised of strokes of modifiers and a key. `Macro` action is needed if you want more complex key strokes. -Say you want to assign a key to `Shift + 1` to get charactor *'!'* or `Alt + Tab` to switch application windows. +Say you want to assign a key to `Shift + 1` to get character *'!'* or `Alt + Tab` to switch application windows. - ACTION_MOD_KEY(KC_LSFT, KC_1) - ACTION_MOD_KEY(KC_LALT, KC_TAB) + ACTION_MODS_KEY(MOD_LSFT, KC_1) + ACTION_MODS_KEY(MOD_LALT, KC_TAB) -Or `Alt,Shift + Tab` can be defined. `ACTION_LMODS_KEY()` requires **4-bit modifier state** and a **keycode** as arguments. See `keycode.h` for `MOD_BIT()` macro. +Or `Alt,Shift + Tab` can be defined. `ACTION_MODS_KEY(mods, key)` requires **4-bit modifier state** and a **keycode** as arguments. See `keycode.h` for `MOD_BIT()` macro. - ACTION_MODS_KEY((MOD_BIT(KC_LALT) | MOD_BIT(KC_LSFT)), KC_TAB) + ACTION_MODS_KEY(MOD_LALT | MOD_LSFT, KC_TAB) #### 2.1.3 Multiple Modifiers -Registers multiple modifiers with a key. +Registers multiple modifiers with pressing a key. To specify multiple modifiers use `|`. - ACTION_MODS(MOD_BIT(KC_ALT) | MOD_BIT(KC_LSFT)) + ACTION_MODS(MOD_ALT | MOD_LSFT) -#### 2.1.3 Modifier with tap key +#### 2.1.3 Modifier with Tap key([Dual role][dual_role]) +Works as a modifier key while holding, but registers a key on tap(press and release quickly). - ACTION_MODS_TAP_KEY(KC_RSFT, KC_GRV) + + ACTION_MODS_TAP_KEY(MOD_RCTL, KC_ENT) ### 2.2 Layer Action These actions operate layers of keymap. -**Parameters:** +#### Parameters +You can specify a **target layer** of action and **when the action is executed**. Some actions take a **bit value** for bitwise operation. + -+ **layer**: 0-31 -+ **on**: { press | release | both } ++ **layer**: `0`-`31` ++ **on**: { `ON_PRESS` | `ON_RELEASE` | `ON_BOTH` } ++ **bits**: 4-bit value and 1-bit mask bit #### 2.2.1 Default Layer -`default_layer` is layer which always is valid and referred to when actions is not defined on other overlay layers. +Default Layer is a layer which always is valid and referred to when actions is not defined on other overlay layers. -Sets `default_layer` to given parameter `layer` and turn it on. +This sets Default Layer to given parameter `layer` and activate it. - ACTION_DEFAULT_LAYER(layer) + ACTION_DEFAULT_LAYER_SET(layer) -#### 2.2.2 Momentary Switch -Turns on `layer` momentarily while holding, in other words turn on when key is pressed and off when released. +#### 2.2.2 Momentary +Turns on `layer` momentarily while holding, in other words it activates when key is pressed and deactivate when released. ACTION_LAYER_MOMENTARY(layer) #### 2.2.3 Toggle Switch -Turns on layer on first type and turns off on next. +Turns on `layer` with first type(press and release) and turns off with next. ACTION_LAYER_TOGGLE(layer) #### 2.2.4 Momentary Switch with tap key -Turns on layer momentary while holding but registers key on tap. +Turns on `layer` momentary while holding, but registers key on tap(press and release quickly). ACTION_LAYER_TAP_KEY(layer, key) #### 2.2.5 Momentary Switch with tap toggle -Turns on layer momentary while holding but toggles it with serial taps. +Turns on `layer` momentary while holding and toggles it with serial taps. ACTION_LAYER_TAP_TOGGLE(layer) #### 2.2.6 Invert state of layer -Inverts current layer state. If the layer is on it becomes off with this action. +Inverts current state of `layer`. If the layer is on it becomes off with this action. ACTION_LAYER_INVERT(layer, on) @@ -322,29 +333,51 @@ Turns on layer only and clear all layer on release.. ACTION_LAYER_SET_CLEAR(layer) +#### 2.2.10 Bitwise operation + +**part** indicates which part of 32bit layer state(0-7). **bits** is 5-bit value. **on** indicates when the action is executed. + + ACTION_LAYER_BIT_AND(part, bits, on) + ACTION_LAYER_BIT_OR(part, bits, on) + ACTION_LAYER_BIT_XOR(part, bits, on) + ACTION_LAYER_BIT_SET(part, bits, on) + +These actions works with parameters as following code. + + uint8_t shift = part*4; + uint32_t mask = (bits&0x10) ? ~(0xf< ((bits< +### dual role key +