Merge remote-tracking branch 'origin/master' into develop

11 files changed, 676 insertions, 0 deletions

diff --git a/keyboards/meetlab/kafkasplit/config.h b/keyboards/meetlab/kafkasplit/config.h
new file mode 100644
index 0000000000..714b709fe1
--- /dev/null
+++ b/keyboards/meetlab/kafkasplit/config.h
@@ -0,0 +1,35 @@
+/* Copyright 2022 LXF-YZP(yuezp)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+/* Double tap reset button to enter bootloader */
+#define RP2040_BOOTLOADER_DOUBLE_TAP_RESET
+#define RP2040_BOOTLOADER_DOUBLE_TAP_RESET_LED GP25
+#define RP2040_BOOTLOADER_DOUBLE_TAP_RESET_TIMEOUT 500U
+
+
+#define SERIAL_USART_FULL_DUPLEX
+#define SERIAL_USART_TX_PIN GP0
+#define SERIAL_USART_RX_PIN GP1
+
+#define I2C1_SCL_PIN  GP27
+#define I2C1_SDA_PIN  GP26
+#define I2C_DRIVER I2CD1
+#define I2C1_CLOCK_SPEED 400000
+#define OLED_BRIGHTNESS 128
+#define OLED_TIMEOUT 600000
+#define OLED_SCROLL_TIMEOUT 300000
diff --git a/keyboards/meetlab/kafkasplit/halconf.h b/keyboards/meetlab/kafkasplit/halconf.h
new file mode 100644
index 0000000000..4e2f667f1e
--- /dev/null
+++ b/keyboards/meetlab/kafkasplit/halconf.h
@@ -0,0 +1,21 @@
+/* Copyright 2022 LXF-YZP(yuezp)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#define HAL_USE_I2C TRUE
+
+#include_next <halconf.h>
diff --git a/keyboards/meetlab/kafkasplit/info.json b/keyboards/meetlab/kafkasplit/info.json
new file mode 100644
index 0000000000..d71d405f33
--- /dev/null
+++ b/keyboards/meetlab/kafkasplit/info.json
@@ -0,0 +1,203 @@
+{
+    "manufacturer": "lucky_studio",
+    "keyboard_name": "kafkaSplit",
+    "maintainer": "yuezp",
+    "bootloader": "rp2040",
+    "diode_direction": "ROW2COL",
+    "features": {
+        "bootmagic": true,
+        "extrakey": true,
+        "mousekey": true,
+        "nkro": true,
+        "oled": true,
+        "rgb_matrix": true,
+        "wpm": true
+    },
+    "indicators": {
+        "caps_lock": "GP25",
+        "on_state": 1
+    },
+    "matrix_pins": {
+        "cols": ["GP2", "GP3", "GP6", "GP7", "GP10", "GP11"],
+        "rows": ["GP5", "GP8", "GP12", "GP13"]
+    },
+    "processor": "RP2040",
+    "rgb_matrix": {
+        "animations": {
+            "alphas_mods": true,
+            "band_pinwheel_sat": true,
+            "band_pinwheel_val": true,
+            "band_sat": true,
+            "band_spiral_sat": true,
+            "band_spiral_val": true,
+            "band_val": true,
+            "breathing": true,
+            "cycle_all": true,
+            "cycle_left_right": true,
+            "cycle_out_in": true,
+            "cycle_out_in_dual": true,
+            "cycle_pinwheel": true,
+            "cycle_spiral": true,
+            "cycle_up_down": true,
+            "digital_rain": true,
+            "dual_beacon": true,
+            "gradient_left_right": true,
+            "gradient_up_down": true,
+            "hue_breathing": true,
+            "hue_pendulum": true,
+            "hue_wave": true,
+            "jellybean_raindrops": true,
+            "multisplash": true,
+            "pixel_flow": true,
+            "pixel_fractal": true,
+            "pixel_rain": true,
+            "rainbow_beacon": true,
+            "rainbow_moving_chevron": true,
+            "rainbow_pinwheels": true,
+            "raindrops": true,
+            "solid_multisplash": true,
+            "solid_reactive": true,
+            "solid_reactive_cross": true,
+            "solid_reactive_multicross": true,
+            "solid_reactive_multinexus": true,
+            "solid_reactive_multiwide": true,
+            "solid_reactive_nexus": true,
+            "solid_reactive_simple": true,
+            "solid_reactive_wide": true,
+            "solid_splash": true,
+            "splash": true,
+            "typing_heatmap": true
+        },
+        "default": {
+            "animation": "breathing",
+            "hue": 200
+        },
+        "driver": "ws2812",
+        "layout": [
+            {"matrix": [3, 5], "x": 0, "y": 0, "flags": 4},
+            {"matrix": [3, 4], "x": 18, "y": 5, "flags": 4},
+            {"matrix": [3, 3], "x": 36, "y": 10, "flags": 4},
+            {"matrix": [3, 2], "x": 54, "y": 15, "flags": 4},
+            {"matrix": [2, 5], "x": 2, "y": 21, "flags": 4},
+            {"matrix": [2, 4], "x": 20, "y": 23, "flags": 4},
+            {"matrix": [2, 3], "x": 38, "y": 25, "flags": 4},
+            {"matrix": [2, 2], "x": 56, "y": 23, "flags": 4},
+            {"matrix": [2, 1], "x": 72, "y": 21, "flags": 4},
+            {"matrix": [2, 0], "x": 90, "y": 21, "flags": 4},
+            {"matrix": [1, 5], "x": 2, "y": 39, "flags": 4},
+            {"matrix": [1, 4], "x": 20, "y": 41, "flags": 4},
+            {"matrix": [1, 3], "x": 38, "y": 43, "flags": 4},
+            {"matrix": [1, 2], "x": 56, "y": 41, "flags": 4},
+            {"matrix": [1, 1], "x": 72, "y": 39, "flags": 4},
+            {"matrix": [1, 0], "x": 90, "y": 39, "flags": 4},
+            {"matrix": [0, 5], "x": 2, "y": 57, "flags": 4},
+            {"matrix": [0, 4], "x": 20, "y": 59, "flags": 4},
+            {"matrix": [0, 3], "x": 38, "y": 61, "flags": 4},
+            {"matrix": [0, 2], "x": 56, "y": 59, "flags": 4},
+            {"matrix": [0, 1], "x": 72, "y": 57, "flags": 4},
+            {"matrix": [0, 0], "x": 90, "y": 57, "flags": 4},
+            {"matrix": [7, 3], "x": 0, "y": 0, "flags": 4},
+            {"matrix": [7, 2], "x": 18, "y": 5, "flags": 4},
+            {"matrix": [7, 1], "x": 36, "y": 10, "flags": 4},
+            {"matrix": [7, 0], "x": 54, "y": 15, "flags": 4},
+            {"matrix": [6, 5], "x": 2, "y": 21, "flags": 4},
+            {"matrix": [6, 4], "x": 20, "y": 23, "flags": 4},
+            {"matrix": [6, 3], "x": 38, "y": 25, "flags": 4},
+            {"matrix": [6, 2], "x": 56, "y": 23, "flags": 4},
+            {"matrix": [6, 1], "x": 72, "y": 21, "flags": 4},
+            {"matrix": [6, 0], "x": 90, "y": 21, "flags": 4},
+            {"matrix": [5, 5], "x": 2, "y": 39, "flags": 4},
+            {"matrix": [5, 4], "x": 20, "y": 41, "flags": 4},
+            {"matrix": [5, 3], "x": 38, "y": 43, "flags": 4},
+            {"matrix": [5, 2], "x": 56, "y": 41, "flags": 4},
+            {"matrix": [5, 1], "x": 72, "y": 39, "flags": 4},
+            {"matrix": [5, 0], "x": 90, "y": 39, "flags": 4},
+            {"matrix": [4, 5], "x": 159, "y": 57, "flags": 4},
+            {"matrix": [4, 4], "x": 159, "y": 59, "flags": 4},
+            {"matrix": [4, 3], "x": 224, "y": 61, "flags": 4},
+            {"matrix": [4, 2], "x": 224, "y": 59, "flags": 4},
+            {"matrix": [4, 1], "x": 224, "y": 57, "flags": 4},
+            {"matrix": [4, 0], "x": 224, "y": 57, "flags": 4}
+        ],
+        "sleep": true,
+        "split_count": [22, 22]
+    },
+    "split": {
+        "enabled": true,
+        "matrix_pins": {
+            "right": {
+                "cols": ["GP9", "GP10", "GP8", "GP7", "GP6", "GP5"],
+                "rows": ["GP11", "GP13", "GP12", "GP14"]
+            }
+        },
+        "transport": {
+            "sync": {
+                "indicators": true,
+                "layer_state": true,
+                "matrix_state": true,
+                "modifiers": true,
+                "wpm": true
+            }
+        }
+    },
+    "url": "",
+    "usb": {
+        "device_version": "0.0.1",
+        "pid": "0xBFC2",
+        "vid": "0xAFC2"
+    },
+    "ws2812": {
+        "driver": "vendor",
+        "pin": "GP15"
+    },
+    "layouts": {
+        "LAYOUT": {
+            "layout": [
+                {"matrix": [0, 0], "x": 0, "y": 0.25},
+                {"matrix": [0, 1], "x": 1, "y": 0.25},
+                {"matrix": [0, 2], "x": 2, "y": 0.13},
+                {"matrix": [0, 3], "x": 3, "y": 0},
+                {"matrix": [0, 4], "x": 4, "y": 0.13},
+                {"matrix": [0, 5], "x": 5, "y": 0.25},
+                {"matrix": [4, 0], "x": 8.75, "y": 0.25},
+                {"matrix": [4, 1], "x": 9.75, "y": 0.25},
+                {"matrix": [4, 2], "x": 10.75, "y": 0.13},
+                {"matrix": [4, 3], "x": 11.75, "y": 0},
+                {"matrix": [4, 4], "x": 12.75, "y": 0.13},
+                {"matrix": [4, 5], "x": 13.75, "y": 0.25},
+                {"matrix": [1, 0], "x": 0, "y": 1.25},
+                {"matrix": [1, 1], "x": 1, "y": 1.25},
+                {"matrix": [1, 2], "x": 2, "y": 1.13},
+                {"matrix": [1, 3], "x": 3, "y": 1},
+                {"matrix": [1, 4], "x": 4, "y": 1.13},
+                {"matrix": [1, 5], "x": 5, "y": 1.25},
+                {"matrix": [5, 0], "x": 8.75, "y": 1.25},
+                {"matrix": [5, 1], "x": 9.75, "y": 1.25},
+                {"matrix": [5, 2], "x": 10.75, "y": 1.13},
+                {"matrix": [5, 3], "x": 11.75, "y": 1},
+                {"matrix": [5, 4], "x": 12.75, "y": 1.13},
+                {"matrix": [5, 5], "x": 13.75, "y": 1.25},
+                {"matrix": [2, 0], "x": 0, "y": 2.25},
+                {"matrix": [2, 1], "x": 1, "y": 2.25},
+                {"matrix": [2, 2], "x": 2, "y": 2.13},
+                {"matrix": [2, 3], "x": 3, "y": 2},
+                {"matrix": [2, 4], "x": 4, "y": 2.13},
+                {"matrix": [2, 5], "x": 5, "y": 2.25},
+                {"matrix": [6, 0], "x": 8.75, "y": 2.25},
+                {"matrix": [6, 1], "x": 9.75, "y": 2.25},
+                {"matrix": [6, 2], "x": 10.75, "y": 2.13},
+                {"matrix": [6, 3], "x": 11.75, "y": 2},
+                {"matrix": [6, 4], "x": 12.75, "y": 2.13},
+                {"matrix": [6, 5], "x": 13.75, "y": 2.25},
+                {"matrix": [3, 2], "x": 2, "y": 3.13},
+                {"matrix": [3, 3], "x": 4, "y": 2.05, "h": 1.25},
+                {"matrix": [3, 4], "x": 5.25, "y": 1.7, "h": 1.25},
+                {"matrix": [3, 5], "x": 5.35, "y": 3.65, "h": 1.5},
+                {"matrix": [7, 0], "x": 8.25, "y": 4.25, "h": 1.5},
+                {"matrix": [7, 1], "x": 7.75, "y": 6.25, "h": 1.25},
+                {"matrix": [7, 2], "x": 9.23, "y": 5.85, "h": 1.25},
+                {"matrix": [7, 3], "x": 11.75, "y": 3.13}
+            ]
+        }
+    }
+}
\ No newline at end of file
diff --git a/keyboards/meetlab/kafkasplit/kafkasplit.c b/keyboards/meetlab/kafkasplit/kafkasplit.c
new file mode 100644
index 0000000000..ee352bc8dc
--- /dev/null
+++ b/keyboards/meetlab/kafkasplit/kafkasplit.c
@@ -0,0 +1,207 @@
+/* Copyright 2022 LXF-YZP(yuezp)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "quantum.h"
+
+#ifdef RGB_MATRIX_ENABLE
+bool rgb_matrix_indicators_kb(void) {
+    if (!rgb_matrix_indicators_user()) {
+        return false;
+    }
+    // if (is_keyboard_master()) {
+    if (host_keyboard_led_state().caps_lock) { // 处于 CPAS LOCK 状态
+        rgb_matrix_set_color(5, 100, 0, 0);    // 灯变为红色（R:255, G:0, B:0）
+    }
+    return true;
+}
+#endif
+
+#ifdef OLED_ENABLE
+// WPM-responsive animation stuff here
+#    define IDLE_FRAMES 5
+#    define IDLE_SPEED 20 // below this wpm value your animation will idle
+
+// #define PREP_FRAMES 1 // uncomment if >1
+
+#    define TAP_FRAMES 2
+#    define TAP_SPEED 40 // above this wpm value typing animation to trigger
+
+#    define ANIM_FRAME_DURATION 200 // how long each frame lasts in ms
+// #define SLEEP_TIMER 60000 // should sleep after this period of 0 wpm, needs fixing
+#    define ANIM_SIZE 636 // number of bytes in array, minimize for adequate firmware size, max is 1024
+
+uint32_t anim_timer         = 0;
+uint32_t anim_sleep         = 0;
+uint8_t  current_idle_frame = 0;
+// uint8_t current_prep_frame = 0; // uncomment if PREP_FRAMES >1
+uint8_t current_tap_frame = 0;
+
+static void render_anim(void) {
+    static const char PROGMEM idle[IDLE_FRAMES][ANIM_SIZE] = {{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0x40, 0x40, 0x40, 0x20, 0x20, 0x20, 0x20, 0x20, 0x18, 0x04, 0x02, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x20, 0x40, 0x40, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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+    static const char PROGMEM tap[TAP_FRAMES][ANIM_SIZE]   = {
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+           0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3f, 0xc1, 0x01, 0x01, 0x02, 0x02, 0x04, 0x84, 0x44, 0x44, 0x42, 0x82, 0x01, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x40, 0x80, 0x80, 0x40, 0x00, 0x00, 0x30, 0x30, 0x00, 0x00, 0x00, 0x00, 0x01, 0x02, 0x04, 0x04, 0x08, 0x08, 0x10, 0x20, 0x40, 0x80, 0x80, 0x80, 0x80, 0x40, 0x40, 0x40, 0x40, 0x20, 0x20, 0x20, 0x20, 0x10, 0x10, 0x10, 0x10, 0x08, 0x08, 0x08, 0x08, 0x04, 0x04, 0x04, 0x04, 0x02, 0x02, 0x02, 0x02, 0x01, 0x01, 0x01, 0x01,
+           0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xe0, 0x18, 0x06, 0x01, 0x00, 0x00, 0x0c, 0x03, 0x00, 0x02, 0x18, 0x19, 0x00, 0x05, 0xfe, 0x80, 0x83, 0x83, 0x40, 0x40, 0x40, 0x40, 0x20, 0x21, 0x21, 0x20, 0x10, 0x10, 0x10, 0x10, 0x08, 0x08, 0x08, 0x08, 0x04, 0x04, 0x04, 0x04, 0x04, 0x08, 0x30, 0x40, 0x80, 0x80, 0x00, 0x00, 0x01, 0x86, 0x98, 0x60, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+           0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0x80, 0x80, 0x40, 0x40, 0x40, 0x40, 0x20, 0x20, 0x20, 0x20, 0x10, 0x10, 0x10, 0x10, 0x08, 0x0f, 0x08, 0x08, 0x04, 0x04, 0x04, 0x04, 0x02, 0x02, 0x02, 0x02, 0x01, 0x01, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x0f, 0x0f, 0x07, 0x03, 0x03, 0x61, 0xf0, 0xf8, 0xfc, 0x60, 0x01, 0x01, 0x01, 0x3c, 0x78, 0xf8, 0xf0, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
+    };
+
+    // assumes 1 frame prep stage
+    void animation_phase(void) {
+        if (get_current_wpm() <= IDLE_SPEED) {
+            current_idle_frame = (current_idle_frame + 1) % IDLE_FRAMES;
+            oled_write_raw_P(idle[abs((IDLE_FRAMES - 1) - current_idle_frame)], ANIM_SIZE);
+        }
+        if (get_current_wpm() > IDLE_SPEED && get_current_wpm() < TAP_SPEED) {
+            // oled_write_raw_P(prep[abs((PREP_FRAMES-1)-current_prep_frame)], ANIM_SIZE); // uncomment if IDLE_FRAMES >1
+            oled_write_raw_P(prep[0], ANIM_SIZE); // remove if IDLE_FRAMES >1
+        }
+        if (get_current_wpm() >= TAP_SPEED) {
+            current_tap_frame = (current_tap_frame + 1) % TAP_FRAMES;
+            oled_write_raw_P(tap[abs((TAP_FRAMES - 1) - current_tap_frame)], ANIM_SIZE);
+        }
+    }
+    if (get_current_wpm() != 000) {
+        oled_on(); // not essential but turns on animation OLED with any alpha keypress
+        if (timer_elapsed32(anim_timer) > ANIM_FRAME_DURATION) {
+            anim_timer = timer_read32();
+            animation_phase();
+        }
+        anim_sleep = timer_read32();
+    } else {
+        
+            if (timer_elapsed32(anim_timer) > ANIM_FRAME_DURATION) {
+                anim_timer = timer_read32();
+                animation_phase();
+            }
+        
+    }
+}
+
+oled_rotation_t oled_init_kb(oled_rotation_t rotation) {
+    if (!is_keyboard_master()) {
+        return OLED_ROTATION_180;
+    } else {
+        return rotation;
+    }
+}
+
+static void render_keylock_status(led_t led_state) {
+    oled_write_P(PSTR("Lock: "), false);
+    oled_write_P(PSTR("CAPS"), led_state.caps_lock);
+    oled_write_P(PSTR(" "), false);
+    oled_write_P(PSTR("NUML"), led_state.num_lock);
+    oled_write_P(PSTR(" "), false);
+    oled_write_ln_P(PSTR("SCLK"), led_state.scroll_lock);
+}
+
+static void render_mod_status(uint8_t modifiers) {
+    oled_write_P(PSTR("Mods: "), false);
+    oled_write_P(PSTR("Sft"), (modifiers & MOD_MASK_SHIFT));
+    oled_write_P(PSTR(" "), false);
+    oled_write_P(PSTR("Ctl"), (modifiers & MOD_MASK_CTRL));
+    oled_write_P(PSTR(" "), false);
+    oled_write_P(PSTR("Alt"), (modifiers & MOD_MASK_ALT));
+    oled_write_P(PSTR(" "), false);
+    oled_write_P(PSTR("GUI"), (modifiers & MOD_MASK_GUI));
+}
+
+
+static void render_status(void) {
+    // Host Keyboard Layer Status
+    switch (get_highest_layer(default_layer_state)) {
+        case 0:
+            oled_write_P(PSTR("QWERTY | "), false);
+            break;
+    }
+
+    switch (get_highest_layer(layer_state)) {
+        case 0:
+            oled_write_P(PSTR("Base   \n"), false);
+            break;
+
+        case 1:
+            oled_write_P(PSTR("Lower   \n"), false);
+            break;
+
+        case 2:
+            oled_write_P(PSTR("Raise   \n"), false);
+            break;
+
+        case 3:
+            oled_write_P(PSTR("Adjust  \n"), false);
+            break;
+
+        default:
+            oled_write_P(PSTR("Unknown \n"), false);
+    }
+
+    oled_write_P(PSTR("\n"), false);
+    render_keylock_status(host_keyboard_led_state());
+    render_mod_status(get_mods() | get_oneshot_mods());
+}
+
+bool oled_task_kb(void) {
+    if (!oled_task_user()) {
+        return false;
+    }
+
+    if (is_keyboard_master()) {
+        // Renders the current keyboard state (layer, lock, caps, scroll, etc)
+        render_status();
+    } else {
+        render_anim(); // renders pixelart
+
+        oled_set_cursor(0, 0); // sets cursor to (row, column) using charactar spacing (5 rows on 128x32 screen, anything more will overflow back to the top)
+        oled_write_P(PSTR("WPM: "), false);
+        oled_write(get_u8_str(get_current_wpm(), '0'), false);
+
+        led_t led_state = host_keyboard_led_state(); // caps lock stuff, prints CAPS on new line if caps led is on
+        oled_set_cursor(0, 1);
+        oled_write_P(led_state.caps_lock ? PSTR("CAPS") : PSTR("       "), false);
+
+        return false;
+    }
+
+    return false;
+}
+#endif 
diff --git a/keyboards/meetlab/kafkasplit/keymaps/default/keymap.c b/keyboards/meetlab/kafkasplit/keymaps/default/keymap.c
new file mode 100644
index 0000000000..db6ccd8912
--- /dev/null
+++ b/keyboards/meetlab/kafkasplit/keymaps/default/keymap.c
@@ -0,0 +1,73 @@
+/* Copyright 2022 LXF-YZP(yuezp)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNKCS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licensKC/>.
+ */
+
+#include QMK_KEYBOARD_H
+
+enum layer_namKC {
+    _BASE,
+    _LOWER,
+    _RAISE,
+    _ADJUST
+};
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+
+    [_BASE] =	LAYOUT(
+    //,-----------------------------------------------------.                    ,-----------------------------------------------------.
+         KC_TAB,    KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,                         KC_Y,    KC_U,    KC_I,    KC_O,   KC_P,  KC_BSPC,
+    //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
+        KC_LCTL,    KC_A,    KC_S,    KC_D,    KC_F,    KC_G,                         KC_H,    KC_J,    KC_K,    KC_L, KC_SCLN, KC_QUOT,
+    //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
+        KC_LSFT,    KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,                         KC_N,    KC_M, KC_COMM,  KC_DOT, KC_SLSH, KC_RSFT,
+    //|--------+--------+--------+--------+--------+--------+--------|  |--------+--------+--------+--------+--------+--------+--------|
+                                 KC_LCTL,   KC_LGUI,   MO(1),  KC_SPC,    KC_ENT,   MO(2),  KC_BSPC,  KC_LALT
+                                //`----------------------------------'  `------------------------------------'
+	),
+
+    [_LOWER] =	LAYOUT(
+    //,-----------------------------------------------------.                    ,-----------------------------------------------------.
+        XXXXXXX,   KC_F1,   KC_F2,   KC_F3,   KC_F4, KC_MINS,                       KC_INS, KC_HOME,   KC_UP,  KC_END, KC_PGUP, KC_BSPC,
+    //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
+        KC_LCTL,   KC_F5,   KC_F6,   KC_F7,   KC_F8, KC_EQL,                        KC_DEL, KC_LEFT, KC_DOWN, KC_RGHT, KC_PGDN, XXXXXXX,
+    //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
+        KC_LSFT,   KC_F9,  KC_F10,  KC_F11,  KC_F12, KC_PAUS,                      XXXXXXX, XXXXXXX, KC_LBRC, KC_RBRC, KC_BSLS, KC_RSFT,
+    //|--------+--------+--------+--------+--------+--------+--------|  |--------+--------+--------+--------+--------+--------+--------|
+                                  _______,  KC_LGUI, _______,  KC_SPC,     KC_ENT, _______, _______, KC_LALT
+                                //`-----------------------------------'  `----------------------------------'
+	),
+	[_RAISE] =	LAYOUT(
+    //,-----------------------------------------------------.                    ,-----------------------------------------------------.
+        KC_CAPS, KC_EXLM, KC_DQUO, KC_HASH, KC_CIRC, XXXXXXX,                      KC_ASTR,    KC_7,    KC_8,    KC_9, KC_MINS, KC_BSPC,
+    //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
+        KC_LCTL, KC_LCBR, KC_RCBR, KC_LPRN, KC_RPRN, XXXXXXX,                      KC_SLSH,    KC_4,    KC_5,    KC_6, KC_PLUS, KC_QUOT,
+    //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
+        KC_LSFT, KC_LBRC, KC_RBRC, KC_LABK, KC_RABK,  KC_EQL,                         KC_0,    KC_1,    KC_2,    KC_3,  KC_DOT, KC_RSFT,
+    //|--------+--------+--------+--------+--------+--------+--------|  |--------+--------+--------+--------+--------+--------+--------|
+                                  _______,  KC_LGUI, _______,  KC_SPC,     KC_ENT, _______,  _______, _______ 
+                                //`----------------------------------'  `------------------------------------'
+	),
+   [_ADJUST] =	LAYOUT(
+    //,-----------------------------------------------------.                    ,-----------------------------------------------------.
+        XXXXXXX, XXXXXXX,   KC_AT, XXXXXXX,  KC_DLR, XXXXXXX,                      XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, KC_BSPC,
+    //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
+        KC_LCTL, XXXXXXX, KC_AMPR, KC_PIPE, KC_BSLS, XXXXXXX,                      XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, KC_TILD,  KC_GRV,
+    //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
+        KC_LSFT, XXXXXXX, XXXXXXX, XXXXXXX, KC_PERC, XXXXXXX,                      RGB_TOG, RGB_MOD, RGB_HUI, RGB_SAI, RGB_VAI, KC_RSFT,
+    //|--------+--------+--------+--------+--------+--------+--------|  |--------+--------+--------+--------+--------+--------+--------|
+                                   _______, KC_LGUI, _______,  KC_SPC,     KC_ENT, _______, _______, KC_LALT
+                                 //`---------------------------------'  `-----------------------------------'
+	)
+
+};
diff --git a/keyboards/meetlab/kafkasplit/keymaps/via/keymap.c b/keyboards/meetlab/kafkasplit/keymaps/via/keymap.c
new file mode 100644
index 0000000000..db6ccd8912
--- /dev/null
+++ b/keyboards/meetlab/kafkasplit/keymaps/via/keymap.c
@@ -0,0 +1,73 @@
+/* Copyright 2022 LXF-YZP(yuezp)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNKCS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licensKC/>.
+ */
+
+#include QMK_KEYBOARD_H
+
+enum layer_namKC {
+    _BASE,
+    _LOWER,
+    _RAISE,
+    _ADJUST
+};
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+
+    [_BASE] =	LAYOUT(
+    //,-----------------------------------------------------.                    ,-----------------------------------------------------.
+         KC_TAB,    KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,                         KC_Y,    KC_U,    KC_I,    KC_O,   KC_P,  KC_BSPC,
+    //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
+        KC_LCTL,    KC_A,    KC_S,    KC_D,    KC_F,    KC_G,                         KC_H,    KC_J,    KC_K,    KC_L, KC_SCLN, KC_QUOT,
+    //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
+        KC_LSFT,    KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,                         KC_N,    KC_M, KC_COMM,  KC_DOT, KC_SLSH, KC_RSFT,
+    //|--------+--------+--------+--------+--------+--------+--------|  |--------+--------+--------+--------+--------+--------+--------|
+                                 KC_LCTL,   KC_LGUI,   MO(1),  KC_SPC,    KC_ENT,   MO(2),  KC_BSPC,  KC_LALT
+                                //`----------------------------------'  `------------------------------------'
+	),
+
+    [_LOWER] =	LAYOUT(
+    //,-----------------------------------------------------.                    ,-----------------------------------------------------.
+        XXXXXXX,   KC_F1,   KC_F2,   KC_F3,   KC_F4, KC_MINS,                       KC_INS, KC_HOME,   KC_UP,  KC_END, KC_PGUP, KC_BSPC,
+    //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
+        KC_LCTL,   KC_F5,   KC_F6,   KC_F7,   KC_F8, KC_EQL,                        KC_DEL, KC_LEFT, KC_DOWN, KC_RGHT, KC_PGDN, XXXXXXX,
+    //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
+        KC_LSFT,   KC_F9,  KC_F10,  KC_F11,  KC_F12, KC_PAUS,                      XXXXXXX, XXXXXXX, KC_LBRC, KC_RBRC, KC_BSLS, KC_RSFT,
+    //|--------+--------+--------+--------+--------+--------+--------|  |--------+--------+--------+--------+--------+--------+--------|
+                                  _______,  KC_LGUI, _______,  KC_SPC,     KC_ENT, _______, _______, KC_LALT
+                                //`-----------------------------------'  `----------------------------------'
+	),
+	[_RAISE] =	LAYOUT(
+    //,-----------------------------------------------------.                    ,-----------------------------------------------------.
+        KC_CAPS, KC_EXLM, KC_DQUO, KC_HASH, KC_CIRC, XXXXXXX,                      KC_ASTR,    KC_7,    KC_8,    KC_9, KC_MINS, KC_BSPC,
+    //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
+        KC_LCTL, KC_LCBR, KC_RCBR, KC_LPRN, KC_RPRN, XXXXXXX,                      KC_SLSH,    KC_4,    KC_5,    KC_6, KC_PLUS, KC_QUOT,
+    //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
+        KC_LSFT, KC_LBRC, KC_RBRC, KC_LABK, KC_RABK,  KC_EQL,                         KC_0,    KC_1,    KC_2,    KC_3,  KC_DOT, KC_RSFT,
+    //|--------+--------+--------+--------+--------+--------+--------|  |--------+--------+--------+--------+--------+--------+--------|
+                                  _______,  KC_LGUI, _______,  KC_SPC,     KC_ENT, _______,  _______, _______ 
+                                //`----------------------------------'  `------------------------------------'
+	),
+   [_ADJUST] =	LAYOUT(
+    //,-----------------------------------------------------.                    ,-----------------------------------------------------.
+        XXXXXXX, XXXXXXX,   KC_AT, XXXXXXX,  KC_DLR, XXXXXXX,                      XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, KC_BSPC,
+    //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
+        KC_LCTL, XXXXXXX, KC_AMPR, KC_PIPE, KC_BSLS, XXXXXXX,                      XXXXXXX, XXXXXXX, XXXXXXX, XXXXXXX, KC_TILD,  KC_GRV,
+    //|--------+--------+--------+--------+--------+--------|                    |--------+--------+--------+--------+--------+--------|
+        KC_LSFT, XXXXXXX, XXXXXXX, XXXXXXX, KC_PERC, XXXXXXX,                      RGB_TOG, RGB_MOD, RGB_HUI, RGB_SAI, RGB_VAI, KC_RSFT,
+    //|--------+--------+--------+--------+--------+--------+--------|  |--------+--------+--------+--------+--------+--------+--------|
+                                   _______, KC_LGUI, _______,  KC_SPC,     KC_ENT, _______, _______, KC_LALT
+                                 //`---------------------------------'  `-----------------------------------'
+	)
+
+};
diff --git a/keyboards/meetlab/kafkasplit/keymaps/via/rules.mk b/keyboards/meetlab/kafkasplit/keymaps/via/rules.mk
new file mode 100644
index 0000000000..1e5b99807c
--- /dev/null
+++ b/keyboards/meetlab/kafkasplit/keymaps/via/rules.mk
@@ -0,0 +1 @@
+VIA_ENABLE = yes
diff --git a/keyboards/meetlab/kafkasplit/matrix_diagram.md b/keyboards/meetlab/kafkasplit/matrix_diagram.md
new file mode 100644
index 0000000000..4fa57f74a2
--- /dev/null
+++ b/keyboards/meetlab/kafkasplit/matrix_diagram.md
@@ -0,0 +1,14 @@
+# Matrix Diagram for kafkaSplit
+
+```
+┌───┬───┬───┬───┬───┬───┐            ┌───┬───┬───┬───┬───┬───┐
+│00 │01 │02 │03 │04 │05 │            │40 │41 │42 │43 │44 │45 │
+├───┼───┼───┼───┼───┼───┤            ├───┼───┼───┼───┼───┼───┤
+│10 │11 │12 │13 │14 │15 │            │50 │51 │52 │53 │54 │55 │
+├───┼───┼───┼───┼───┼───┤            ├───┼───┼───┼───┼───┼───┤
+│20 │21 │22 │23 │24 │25 │            │60 │61 │62 │63 │64 │65 │
+└───┴───┴───┼───┼───┼───┼───┐    ┌───┼───┼───┼───┼───┴───┴───┘
+            │32 │33 │34 │35 │    │70 │71 │72 │73 │
+            └───┴───┴───┴───┘    └───┴───┴───┴───┘
+
+```
diff --git a/keyboards/meetlab/kafkasplit/mcuconf.h b/keyboards/meetlab/kafkasplit/mcuconf.h
new file mode 100644
index 0000000000..56bd747d62
--- /dev/null
+++ b/keyboards/meetlab/kafkasplit/mcuconf.h
@@ -0,0 +1,22 @@
+/* Copyright 2022 JasonRen(biu)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include_next <mcuconf.h>
+
+#undef RP_I2C_USE_I2C1
+#define RP_I2C_USE_I2C1 TRUE
diff --git a/keyboards/meetlab/kafkasplit/readme.md b/keyboards/meetlab/kafkasplit/readme.md
new file mode 100644
index 0000000000..7b332d784a
--- /dev/null
+++ b/keyboards/meetlab/kafkasplit/readme.md
@@ -0,0 +1,26 @@
+# kafkasplit - PCB
+
+![kafkasplit](https://i.imgur.com/fqxZGeHh.jpg)
+
+A 44-key split keyboard with rgb
+
+* Keyboard Maintainer: https://github.com/LXF-YZP
+* Hardware Supported: https://github.com/LXF-YZP/KafkaSplit
+
+Make example for this keyboard (after setting up your build environment):
+    
+    make meetlab/kafkasplit:default
+    
+Flashing example for this keyboard:
+
+    make meetlab/kafkasplit: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 (usually the top left key or Escape) and plug in the keyboard
+* **Physical reset button**: Briefly press the button on the back of the PCB - some may have pads you must short instead
+* **Keycode in layout**: Press the key mapped to `QK_BOOT` if it is available
\ No newline at end of file
diff --git a/keyboards/meetlab/kafkasplit/rules.mk b/keyboards/meetlab/kafkasplit/rules.mk
new file mode 100644
index 0000000000..161ec22b16
--- /dev/null
+++ b/keyboards/meetlab/kafkasplit/rules.mk
@@ -0,0 +1 @@
+SERIAL_DRIVER = vendor