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Add support for the Smallcat (#810)
* Add Smallcat * Add support for led * Do not use alt repeat * Add another layer for led * A bit of clean up * Update keyboard.json * Update keymap by making rgb non mandatory * Clean up * Fix inconsistencies * Add default keymap
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‎keyboards/smallcat/keyboard.json

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{
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"manufacturer": "Matt Petiteau",
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"keyboard_name": "smallcat",
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"url": "https://github.com/smallwat3r/smallcat",
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"maintainer": "smallwat3r",
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"usb": {
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"vid": "0xFEED",
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"pid": "0x0000",
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"device_version": "1.0.0"
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},
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"board": "GENERIC_RP_RP2040",
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"bootloader": "rp2040",
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"processor": "RP2040",
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"features": {
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"extrakey": true,
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"mousekey": true,
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"unicode": true
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},
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"matrix_pins": {
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"direct": [
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[null, "GP26", "GP27", "GP28", null],
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["GP15", "GP14", "GP13", "GP12", "GP0"],
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[null, "GP5", "GP6", "GP7", null],
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["GP10", "GP11", null, null, null]
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]
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},
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"split": {
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"enabled": true,
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"matrix_pins": {
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"right": {
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"direct": [
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[null, "GP28", "GP27", "GP26", null],
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["GP0", "GP12", "GP13", "GP14", "GP15"],
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[null, "GP7", "GP6", "GP5", null],
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["GP11", "GP10", null, null, null]
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]
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}
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},
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"serial": {
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"pin": "GP1",
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"driver": "vendor"
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}
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},
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"community_layouts": ["split_3x5_2"],
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"layout_aliases": {
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"LAYOUT": "LAYOUT_split_3x5_2"
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},
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"layouts": {
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"LAYOUT_split_3x5_2": {
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"layout":
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[
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{"x": 1, "y": 0.31, "matrix": [0, 1]},
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{"x": 2, "y": 0, "matrix": [0, 2]},
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{"x": 3, "y": 0.28, "matrix": [0, 3]},
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{"x": 8, "y": 0.28, "matrix": [4, 1]},
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{"x": 9, "y": 0, "matrix": [4, 2]},
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{"x": 10, "y": 0.31, "matrix": [4, 3]},
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{"x": 0, "y": 1.93, "matrix": [1, 0]},
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{"x": 1, "y": 1.31, "matrix": [1, 1]},
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{"x": 2, "y": 1, "matrix": [1, 2]},
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{"x": 3, "y": 1.28, "matrix": [1, 3]},
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{"x": 4, "y": 1.42, "matrix": [1, 4]},
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{"x": 7, "y": 1.42, "matrix": [5, 0]},
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{"x": 8, "y": 1.28, "matrix": [5, 1]},
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{"x": 9, "y": 1, "matrix": [5, 2]},
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{"x": 10, "y": 1.31, "matrix": [5, 3]},
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{"x": 11, "y": 1.93, "matrix": [5, 4]},
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{"x": 1, "y": 2.31, "matrix": [2, 1]},
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{"x": 2, "y": 2, "matrix": [2, 2]},
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{"x": 3, "y": 2.28, "matrix": [2, 3]},
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{"x": 8, "y": 2.28, "matrix": [6, 1]},
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{"x": 9, "y": 2, "matrix": [6, 2]},
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{"x": 10, "y": 2.31, "matrix": [6, 3]},
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{"x": 3.5, "y": 3.75, "matrix": [3, 0]},
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{"x": 4.5, "y": 4, "matrix": [3, 1]},
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{"x": 6.5, "y": 4, "matrix": [7, 0]},
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{"x": 7.5, "y": 3.75, "matrix": [7, 1]}
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]
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}
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}
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}

‎keyboards/smallcat/keymaps/default/keymap.c

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#include QMK_KEYBOARD_H
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/* default generic keymap */
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const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
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[0] = LAYOUT_split_3x5_2(
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KC_W, KC_F, KC_P, KC_L, KC_U, KC_Y,
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KC_A, KC_R, KC_S, KC_T, KC_G, KC_M, KC_N, KC_E, KC_I, KC_O,
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KC_Q, KC_C, KC_D, KC_H, KC_COMM, KC_DOT,
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KC_TRNS, KC_SPC, KC_BSPC, KC_ENT
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)
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};
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/* combo definitions */
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const uint16_t PROGMEM combo_x[] = {KC_W, KC_F, COMBO_END};
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const uint16_t PROGMEM combo_b[] = {KC_F, KC_P, COMBO_END};
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const uint16_t PROGMEM combo_z[] = {KC_Q, KC_C, COMBO_END};
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const uint16_t PROGMEM combo_v[] = {KC_C, KC_D, COMBO_END};
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const uint16_t PROGMEM combo_j[] = {KC_L, KC_U, COMBO_END};
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const uint16_t PROGMEM combo_k[] = {KC_H, KC_COMM, COMBO_END};
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combo_t key_combos[] = {
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COMBO(combo_x, KC_X),
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COMBO(combo_b, KC_B),
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COMBO(combo_z, KC_Z),
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COMBO(combo_v, KC_V),
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COMBO(combo_j, KC_J),
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COMBO(combo_k, KC_K),
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};

‎keyboards/smallcat/keymaps/default/rules.mk

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COMBO_ENABLE = yes

‎keyboards/smallcat/keymaps/vial/config.h

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/* SPDX-License-Identifier: GPL-2.0-or-later */
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#pragma once
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#define DYNAMIC_KEYMAP_LAYER_COUNT 8
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#define VIAL_TAP_DANCE_ENTRIES 20
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#define VIAL_COMBO_ENTRIES 40
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#define VIAL_KEYBOARD_UID {0xDA, 0x2A, 0xFA, 0x9D, 0x66, 0xE4, 0x31, 0x52}
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#define VIAL_UNLOCK_COMBO_ROWS { 0, 1 }
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#define VIAL_UNLOCK_COMBO_COLS { 1, 4 }
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#define NO_ALT_REPEAT_KEY
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/* make use of the mounted WS2812 led from the Waveshare RP2040-zero */
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#ifdef RGBLIGHT_ENABLE
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# define RGBLIGHT_LED_COUNT 1
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# define RGBLIGHT_SPLIT
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# define RGBLIGHT_DEFAULT_HUE 110
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# define RGBLIGHT_LIMIT_VAL 10
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# define RGBLIGHT_SLEEP
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# define RGBLIGHT_LAYERS
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# define RGBLIGHT_HUE_STEP 20
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# define WS2812_DI_PIN GP16
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#endif

‎keyboards/smallcat/keymaps/vial/keymap.c

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#include QMK_KEYBOARD_H
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#ifdef RGBLIGHT_ENABLE
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const rgblight_segment_t PROGMEM capslock_layer[] = RGBLIGHT_LAYER_SEGMENTS({0, 1, HSV_RED});
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const rgblight_segment_t PROGMEM osm_shift_layer[] = RGBLIGHT_LAYER_SEGMENTS({0, 1, HSV_YELLOW});
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const rgblight_segment_t* const PROGMEM rgb_layers[] = RGBLIGHT_LAYERS_LIST(capslock_layer, osm_shift_layer);
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void keyboard_post_init_user(void) { rgblight_layers = rgb_layers; }
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/* light up led in red when caps lock in on */
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bool led_update_user(led_t led_state) {
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rgblight_set_layer_state(0, led_state.caps_lock);
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return true;
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}
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/* light up led in yellow when sticky shift is activated */
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void oneshot_mods_changed_user(uint8_t mods) {
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if (mods & MOD_MASK_SHIFT) { rgblight_set_layer_state(1, true); }
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if (!mods) { rgblight_set_layer_state(1, false); }
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}
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#endif
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/* default empty layout */
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const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
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[0] = LAYOUT_split_3x5_2(
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KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
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KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
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KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
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KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS
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)
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};

‎keyboards/smallcat/keymaps/vial/rules.mk

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VIA_ENABLE = yes
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VIAL_ENABLE = yes
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LTO_ENABLE = yes
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TAP_DANCE_ENABLE = yes
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MOUSEKEY_ENABLE = yes
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EXTRAKEY_ENABLE = yes
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REPEAT_KEY_ENABLE = yes
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COMBO_ENABLE = yes
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QMK_SETTINGS = yes
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RGBLIGHT_ENABLE = yes
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WS2812_DRIVER = vendor
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KEY_OVERRIDE_ENABLE = no
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VIAL_INSECURE = no

‎keyboards/smallcat/keymaps/vial/vial.json

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{
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"name": "smallcat",
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"firmwareVersion": 0,
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"keycodes": [
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"via/keycodes"
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],
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"menus": [
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"via/keymap",
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"via/layouts",
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"via/macros",
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"via/save_load"
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],
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"matrix": {
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"rows": 8,
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"cols": 5
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},
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"layouts": {
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"keymap": [
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[
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{
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"x": 2
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},
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"0,2",
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{
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"x": 5.25
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},
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"4,2"
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],
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[
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{
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"y": -0.75,
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"x": 1
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},
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"0,1",
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{
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"x": 1
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},
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"0,3",
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{
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"x": 3.25
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},
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"4,1",
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{
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"x": 1
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},
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"4,3"
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],
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[
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{
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"y": -0.25,
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"x": 2
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},
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"1,2",
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{
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"x": 5.25
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},
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"5,2"
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],
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[
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{
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"y": -0.75,
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"x": 1
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},
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"1,1",
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{
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"x": 1
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},
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"1,3",
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"1,4",
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{
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"x": 1.25
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},
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"5,0",
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"5,1",
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{
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"x": 1
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},
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"5,3"
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],
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[
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{
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"y": -0.5
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},
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"1,0",
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{
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"x": 9.25
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},
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"5,4"
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],
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[
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{
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"y": -0.75,
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"x": 2
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},
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"2,2",
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{
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"x": 5.25
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},
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"6,2"
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],
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[
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{
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"y": -0.75,
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"x": 1
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},
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"2,1",
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{
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"x": 1
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},
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"2,3",
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{
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"x": 3.25
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},
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"6,1",
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{
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"x": 1
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},
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"6,3"
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],
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[
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{
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"y": 0.25,
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"x": 3.5
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},
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"3,0",
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{
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"x": 2.25
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},
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"7,1"
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],
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[
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{
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"y": -0.75,
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"x": 4.5
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},
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"3,1",
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{
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"x": 0.25
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},
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"7,0"
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]
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]
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}
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}

‎keyboards/smallcat/readme.md

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# Smallcat
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![smallcat](https://raw.githubusercontent.com/smallwat3r/smallcat/refs/heads/main/images/smallcat.png)
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A 26-key split keyboard. [More info](https://github.com/smallwat3r/smallcat).
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* Keyboard Maintainer: [Matt Petiteau](https://github.com/smallwat3r/)
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Make example for this keyboard (after setting up your build environment):
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make smallcat:vial
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See the [build environment setup](https://docs.qmk.fm/#/getting_started_build_tools) and the [make instructions](https://docs.qmk.fm/#/getting_started_make_guide) for more information. Brand new to QMK? Start with our [Complete Newbs Guide](https://docs.qmk.fm/#/newbs).

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