Add Cata keyboard (#25557)

Co-authored-by: Jack Sangdahl <jack@pngu.org>

keyboards/cata/keyboard.json

@@ -0,0 +1,65 @@
+{
+    "manufacturer": "Steven Karrmann",
+    "keyboard_name": "Cata",
+    "maintainer": "skarrmann",
+    "bootloader": "rp2040",
+    "diode_direction": "COL2ROW",
+    "features": {
+        "bootmagic": true,
+        "extrakey": true,
+        "mousekey": true,
+        "nkro": true
+    },
+    "matrix_pins": {
+        "cols": ["GP9", "GP10", "GP11", "GP12", "GP13", "GP14"],
+        "rows": ["GP27", "GP5", "GP26", "GP6", "GP15", "GP7", "GP14", "GP8"]
+    },
+    "processor": "RP2040",
+    "url": "https://github.com/skarrmann/cata",
+    "usb": {
+        "device_version": "1.0.0",
+        "pid": "0x0000",
+        "vid": "0xFEED"
+    },
+    "community_layouts": ["split_3x5_2"],
+    "layouts": {
+        "LAYOUT_split_3x5_2": {
+            "layout": [
+                {"matrix": [0, 0], "x": 0, "y": 0},
+                {"matrix": [0, 1], "x": 1, "y": 0},
+                {"matrix": [0, 2], "x": 2, "y": 0},
+                {"matrix": [0, 3], "x": 3, "y": 0},
+                {"matrix": [0, 4], "x": 4, "y": 0},
+                {"matrix": [1, 0], "x": 6, "y": 0},
+                {"matrix": [1, 1], "x": 7, "y": 0},
+                {"matrix": [1, 2], "x": 8, "y": 0},
+                {"matrix": [1, 3], "x": 9, "y": 0},
+                {"matrix": [1, 4], "x": 10, "y": 0},
+                {"matrix": [2, 0], "x": 0, "y": 1},
+                {"matrix": [2, 1], "x": 1, "y": 1},
+                {"matrix": [2, 2], "x": 2, "y": 1},
+                {"matrix": [2, 3], "x": 3, "y": 1},
+                {"matrix": [2, 4], "x": 4, "y": 1},
+                {"matrix": [3, 0], "x": 6, "y": 1},
+                {"matrix": [3, 1], "x": 7, "y": 1},
+                {"matrix": [3, 2], "x": 8, "y": 1},
+                {"matrix": [3, 3], "x": 9, "y": 1},
+                {"matrix": [3, 4], "x": 10, "y": 1},
+                {"matrix": [4, 0], "x": 0, "y": 2},
+                {"matrix": [4, 1], "x": 1, "y": 2},
+                {"matrix": [4, 2], "x": 2, "y": 2},
+                {"matrix": [4, 3], "x": 3, "y": 2},
+                {"matrix": [4, 4], "x": 4, "y": 2},
+                {"matrix": [5, 0], "x": 6, "y": 2},
+                {"matrix": [5, 1], "x": 7, "y": 2},
+                {"matrix": [5, 2], "x": 8, "y": 2},
+                {"matrix": [5, 3], "x": 9, "y": 2},
+                {"matrix": [5, 4], "x": 10, "y": 2},
+                {"matrix": [6, 3], "x": 3, "y": 3},
+                {"matrix": [6, 4], "x": 4, "y": 3},
+                {"matrix": [7, 0], "x": 6, "y": 3},
+                {"matrix": [7, 1], "x": 7, "y": 3}
+            ]
+        }
+    }
+}

keyboards/cata/keymaps/default/keymap.c

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+// Copyright 2025 Steven Karrmann (@skarrmann)
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include QMK_KEYBOARD_H
+
+enum layer_names {
+    _BASE,
+    _SYMBOL,
+    _NAVIGATION,
+    _FUNCTION
+};
+
+#define MO_SYM MO(_SYMBOL)
+#define MO_NAV MO(_NAVIGATION)
+#define MO_FUN MO(_FUNCTION)
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+    [_BASE] = LAYOUT_split_3x5_2(
+        KC_Q   , KC_W   , KC_E   , KC_R   , KC_T   , KC_Y   , KC_U   , KC_I   , KC_O   , KC_P   ,
+        KC_A   , KC_S   , KC_D   , KC_F   , KC_G   , KC_H   , KC_J   , KC_K   , KC_L   , KC_QUOT,
+        KC_Z   , KC_X   , KC_C   , KC_V   , KC_B   , KC_N   , KC_M   , KC_COMM, KC_DOT , KC_SLSH,
+                                   MO_NAV , KC_LSFT, KC_SPC , MO_SYM
+    ),
+    [_SYMBOL] = LAYOUT_split_3x5_2(
+        KC_SCLN, KC_LBRC, KC_RBRC, KC_5   , XXXXXXX, XXXXXXX, KC_6   , KC_MINS, KC_EQL , KC_GRV ,
+        KC_1   , KC_2   , KC_3   , KC_4   , KC_BSLS, XXXXXXX, KC_7   , KC_8   , KC_9   , KC_0   ,
+        OS_LGUI, OS_LALT, OS_LSFT, OS_LCTL, XXXXXXX, XXXXXXX, OS_RCTL, OS_RSFT, OS_RALT, OS_RGUI,
+                                   MO_FUN , _______, _______, _______
+    ),
+    [_NAVIGATION] = LAYOUT_split_3x5_2(
+        KC_PSCR, KC_INS , KC_APP , KC_DEL , XXXXXXX, XXXXXXX, KC_HOME, KC_PGDN, KC_PGUP, KC_END ,
+        KC_ESC , KC_TAB , KC_ENT , KC_BSPC, XXXXXXX, XXXXXXX, KC_LEFT, KC_DOWN, KC_UP  , KC_RGHT,
+        OS_LGUI, OS_LALT, OS_LSFT, OS_LCTL, XXXXXXX, XXXXXXX, OS_RCTL, OS_RSFT, OS_RALT, OS_RGUI,
+                                   _______, _______, _______, MO_FUN
+    ),
+    [_FUNCTION] = LAYOUT_split_3x5_2(
+        KC_F1  , KC_F2  , KC_F3  , KC_F4  , QK_BOOT, KC_SCRL, KC_F9  , KC_F10 , KC_F11 , KC_F12 ,
+        KC_F5  , KC_F6  , KC_F7  , KC_F8  , XXXXXXX, KC_CAPS, KC_MUTE, KC_VOLD, KC_VOLU, KC_PAUS,
+        OS_LGUI, OS_LALT, OS_LSFT, OS_LCTL, XXXXXXX, KC_NUM,  OS_RCTL, OS_RSFT, OS_RALT, OS_RGUI,
+                                   _______, _______, _______, _______
+    ),
+};

keyboards/cata/readme.md

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+# Cata
+
+![Cata](https://i.imgur.com/6jGENr9.jpeg)
+
+Cata is a 34 key ortholinear keyboard, powered by a Waveshare RP2040-Zero.
+
+* Keyboard Maintainer: [skarrmann](https://github.com/skarrmann)
+* Hardware Supported: Cata PCBs with RP2040-Zero
+* Hardware Availability: [Cata GitHub repository](https://github.com/skarrmann/cata)
+
+Make example for this keyboard (after setting up your build environment):
+
+    make cata:default
+
+Flashing example for this keyboard:
+
+    make cata:default:flash
+
+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).
+
+## Bootloader
+
+Enter the bootloader in 3 ways:
+
+* **Bootmagic reset**: Hold down the key at (0,0) in the matrix (the top left key) and plug in the keyboard.
+* **Physical reset button**: Double-tap the RESET button on the RP-2040 Zero (button on the right).
+* **Keycode in layout**: Press the key mapped to `QK_BOOT` if it is available.