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-rw-r--r--keyboards/koca58/board.h8
-rw-r--r--keyboards/koca58/config.h10
-rw-r--r--keyboards/koca58/halconf.h7
-rw-r--r--keyboards/koca58/keyboard.json100
-rw-r--r--keyboards/koca58/keymaps/default/keymap.c78
-rw-r--r--keyboards/koca58/mcuconf.h11
-rw-r--r--keyboards/koca58/readme.md25
7 files changed, 239 insertions, 0 deletions
diff --git a/keyboards/koca58/board.h b/keyboards/koca58/board.h
new file mode 100644
index 0000000000..d9de50c2b8
--- /dev/null
+++ b/keyboards/koca58/board.h
@@ -0,0 +1,8 @@
+/* Copyright 2025 oxnh */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+#pragma once
+
+#include_next <board.h>
+
+#undef STM32_HSECLK
+#define STM32_HSECLK 12000000U
diff --git a/keyboards/koca58/config.h b/keyboards/koca58/config.h
new file mode 100644
index 0000000000..3256cc474f
--- /dev/null
+++ b/keyboards/koca58/config.h
@@ -0,0 +1,10 @@
+/* Copyright 2025 oxnh */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+#pragma once
+
+#define SERIAL_USART_FULL_DUPLEX // Enable full duplex operation mode.
+#define SERIAL_USART_TX_PIN C10 // USART TX pin
+#define SERIAL_USART_RX_PIN C11 // USART RX pin
+#define SERIAL_USART_DRIVER SD3
+#define USART3_PARTIALREMAP
+
diff --git a/keyboards/koca58/halconf.h b/keyboards/koca58/halconf.h
new file mode 100644
index 0000000000..79853fe70d
--- /dev/null
+++ b/keyboards/koca58/halconf.h
@@ -0,0 +1,7 @@
+/* Copyright 2025 oxnh */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+#pragma once
+
+#define HAL_USE_SERIAL TRUE
+
+#include_next <halconf.h>
diff --git a/keyboards/koca58/keyboard.json b/keyboards/koca58/keyboard.json
new file mode 100644
index 0000000000..5a58f6c26c
--- /dev/null
+++ b/keyboards/koca58/keyboard.json
@@ -0,0 +1,100 @@
+{
+ "manufacturer": "oxnh",
+ "keyboard_name": "Koca58",
+ "maintainer": "oxnh",
+ "bootloader": "stm32duino",
+ "features": {
+ "bootmagic": true,
+ "extrakey": true,
+ "mousekey": true,
+ "nkro": true
+ },
+ "matrix_pins": {
+ "direct": [["A10", "A9", "A8", "C9", "C8", "C7", "B2", "B13", "B12", "B14", "B15", "C6", "A6", "A7", "C4", "C5", "B0", "B1", "B5", "A0", "A1", "A2", "A3", "A4", "A5", "C14", "C13", "B7", "B6"]]
+ },
+ "processor": "STM32F103",
+ "split": {
+ "enabled": true,
+ "handedness": {
+ "pin": "C15"
+ },
+ "matrix_pins": {
+ "right": {
+ "direct": [["A10", "A9", "A8", "C9", "C8", "C7", "B2", "B13", "B12", "B14", "B15", "C6", "A6", "A7", "C4", "C5", "B0", "B1", "C14", "A0", "A1", "A2", "A3", "A4", "A5", "C13", "B7", "B6", "B5"]]
+ }
+ },
+ "serial": {
+ "driver": "usart"
+ }
+ },
+ "url": "https://github.com/Hardware7253/Koca58",
+ "usb": {
+ "device_version": "1.0.0",
+ "pid": "0x5106",
+ "vid": "0x4C17"
+ },
+ "layouts": {
+ "LAYOUT": {
+ "layout": [
+ {"matrix": [0, 0], "x": 0, "y": 0.45},
+ {"matrix": [0, 1], "x": 1, "y": 0.375},
+ {"matrix": [0, 2], "x": 2, "y": 0.125},
+ {"matrix": [0, 3], "x": 3, "y": 0},
+ {"matrix": [0, 4], "x": 4, "y": 0.125},
+ {"matrix": [0, 5], "x": 5, "y": 0.25},
+ {"matrix": [1, 0], "x": 10, "y": 0.25},
+ {"matrix": [1, 1], "x": 11, "y": 0.125},
+ {"matrix": [1, 2], "x": 12, "y": 0},
+ {"matrix": [1, 3], "x": 13, "y": 0.125},
+ {"matrix": [1, 4], "x": 14, "y": 0.375},
+ {"matrix": [1, 5], "x": 15, "y": 0.45},
+ {"matrix": [0, 6], "x": 0, "y": 1.45},
+ {"matrix": [0, 7], "x": 1, "y": 1.375},
+ {"matrix": [0, 8], "x": 2, "y": 1.125},
+ {"matrix": [0, 9], "x": 3, "y": 1},
+ {"matrix": [0, 10], "x": 4, "y": 1.125},
+ {"matrix": [0, 11], "x": 5, "y": 1.25},
+ {"matrix": [1, 6], "x": 10, "y": 1.25},
+ {"matrix": [1, 7], "x": 11, "y": 1.125},
+ {"matrix": [1, 8], "x": 12, "y": 1},
+ {"matrix": [1, 9], "x": 13, "y": 1.125},
+ {"matrix": [1, 10], "x": 14, "y": 1.375},
+ {"matrix": [1, 11], "x": 15, "y": 1.45},
+ {"matrix": [0, 12], "x": 0, "y": 2.45},
+ {"matrix": [0, 13], "x": 1, "y": 2.375},
+ {"matrix": [0, 14], "x": 2, "y": 2.125},
+ {"matrix": [0, 15], "x": 3, "y": 2},
+ {"matrix": [0, 16], "x": 4, "y": 2.125},
+ {"matrix": [0, 17], "x": 5, "y": 2.25},
+ {"matrix": [1, 12], "x": 10, "y": 2.25},
+ {"matrix": [1, 13], "x": 11, "y": 2.125},
+ {"matrix": [1, 14], "x": 12, "y": 2},
+ {"matrix": [1, 15], "x": 13, "y": 2.125},
+ {"matrix": [1, 16], "x": 14, "y": 2.375},
+ {"matrix": [1, 17], "x": 15, "y": 2.45},
+ {"matrix": [0, 19], "x": 0, "y": 3.45},
+ {"matrix": [0, 20], "x": 1, "y": 3.375},
+ {"matrix": [0, 21], "x": 2, "y": 3.125},
+ {"matrix": [0, 22], "x": 3, "y": 3},
+ {"matrix": [0, 23], "x": 4, "y": 3.125},
+ {"matrix": [0, 24], "x": 5, "y": 3.25},
+ {"matrix": [0, 18], "x": 6, "y": 2.75},
+ {"matrix": [1, 18], "x": 9, "y": 2.75},
+ {"matrix": [1, 19], "x": 10, "y": 3.25},
+ {"matrix": [1, 20], "x": 11, "y": 3.125},
+ {"matrix": [1, 21], "x": 12, "y": 3},
+ {"matrix": [1, 22], "x": 13, "y": 3.125},
+ {"matrix": [1, 23], "x": 14, "y": 3.375},
+ {"matrix": [1, 24], "x": 15, "y": 3.45},
+ {"matrix": [0, 25], "x": 2.5, "y": 4.15},
+ {"matrix": [0, 26], "x": 3.5, "y": 4.15},
+ {"matrix": [0, 27], "x": 4.5, "y": 4.25},
+ {"matrix": [0, 28], "x": 6, "y": 4.25, "h": 1.5},
+ {"matrix": [1, 25], "x": 9, "y": 4.25, "h": 1.5},
+ {"matrix": [1, 26], "x": 10.45, "y": 4.25},
+ {"matrix": [1, 27], "x": 11.5, "y": 4.15},
+ {"matrix": [1, 28], "x": 12.5, "y": 4.15}
+ ]
+ }
+ }
+}
diff --git a/keyboards/koca58/keymaps/default/keymap.c b/keyboards/koca58/keymaps/default/keymap.c
new file mode 100644
index 0000000000..b571cadda8
--- /dev/null
+++ b/keyboards/koca58/keymaps/default/keymap.c
@@ -0,0 +1,78 @@
+/* Copyright 2025 oxnh */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+
+#include QMK_KEYBOARD_H
+
+enum layer_number {
+ _QWERTY = 0,
+ _LOWER,
+ _RAISE,
+ _ADJUST,
+};
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+ /* QWERTY
+ * ,-----------------------------------------. ,-----------------------------------------.
+ * | ESC | 1 | 2 | 3 | 4 | 5 | | 6 | 7 | 8 | 9 | 0 | ` |
+ * |------+------+------+------+------+------| |------+------+------+------+------+------|
+ * | Tab | Q | W | E | R | T | | Y | U | I | O | P | - |
+ * |------+------+------+------+------+------| |------+------+------+------+------+------|
+ * |LCTRL | A | S | D | F | G |-------. ,-------| H | J | K | L | ; | ' |
+ * |------+------+------+------+------+------| [ | | ] |------+------+------+------+------+------|
+ * |LShift| Z | X | C | V | B |-------| |-------| N | M | , | . | / |RShift|
+ * `-----------------------------------------/ / \ \-----------------------------------------'
+ * | LAlt | LGUI |LOWER | /Space / \Enter \ |RAISE |BackSP| RGUI |
+ * | | | |/ / \ \ | | | |
+ * `----------------------------' '------''--------------------'
+ */
+ [_QWERTY] = LAYOUT(
+ KC_ESC, KC_1, KC_2, KC_3, KC_4, KC_5, KC_6, KC_7, KC_8, KC_9, KC_0, KC_GRV,
+ KC_TAB, KC_Q, KC_W, KC_E, KC_R, KC_T, KC_Y, KC_U, KC_I, KC_O, KC_P, KC_MINS,
+ 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_LBRC, KC_RBRC, KC_N, KC_M, KC_COMM, KC_DOT, KC_SLSH, KC_RSFT,
+ KC_LALT, KC_LGUI, MO(_LOWER), KC_SPC, KC_ENT, MO(_RAISE), KC_BSPC, KC_RGUI
+ ),
+ /* LOWER
+ * ,-----------------------------------------. ,-----------------------------------------.
+ * | | | | | | | | | | | | | |
+ * |------+------+------+------+------+------| |------+------+------+------+------+------|
+ * | F1 | F2 | F3 | F4 | F5 | F6 | | F7 | F8 | F9 | F10 | F11 | F12 |
+ * |------+------+------+------+------+------| |------+------+------+------+------+------|
+ * | ` | ! | @ | # | $ | % |-------. ,-------| ^ | & | * | ( | ) | ~ |
+ * |------+------+------+------+------+------| [ | | ] |------+------+------+------+------+------|
+ * | | | | | | |-------| |-------| | _ | + | { | } | | |
+ * `-----------------------------------------/ / \ \-----------------------------------------'
+ * | LAlt | LGUI |LOWER | /Space / \Enter \ |RAISE |BackSP| RGUI |
+ * | | | |/ / \ \ | | | |
+ * `----------------------------' '------''--------------------'
+ */
+ [_LOWER] = LAYOUT(
+ _______, _______, _______, _______, _______, _______, _______, _______, _______,_______, _______, _______,
+ KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_F6, KC_F7, KC_F8, KC_F9, KC_F10, KC_F11, KC_F12,
+ KC_GRV, KC_EXLM, KC_AT, KC_HASH, KC_DLR, KC_PERC, KC_CIRC, KC_AMPR, KC_ASTR, KC_LPRN, KC_RPRN, KC_TILD,
+ _______, _______, _______, _______, _______, _______, _______, _______, XXXXXXX, KC_UNDS, KC_PLUS, KC_LCBR, KC_RCBR, KC_PIPE,
+ _______, _______, _______, _______, _______, _______, _______, _______
+ ),
+ /* RAISE
+ * ,-----------------------------------------. ,-----------------------------------------.
+ * | | | | | | | | | | | | | |
+ * |------+------+------+------+------+------| |------+------+------+------+------+------|
+ * | ` | 1 | 2 | 3 | 4 | 5 | | 6 | 7 | 8 | 9 | 0 | |
+ * |------+------+------+------+------+------| |------+------+------+------+------+------|
+ * | F1 | F2 | F3 | F4 | F5 | F6 |-------. ,-------| | Left | Down | Up |Right | |
+ * |------+------+------+------+------+------| [ | | ] |------+------+------+------+------+------|
+ * | F7 | F8 | F9 | F10 | F11 | F12 |-------| |-------| + | - | = | [ | ] | \ |
+ * `-----------------------------------------/ / \ \-----------------------------------------'
+ * | LAlt | LGUI |LOWER | /Space / \Enter \ |RAISE |BackSP| RGUI |
+ * | | | |/ / \ \ | | | |
+ * `----------------------------' '------''--------------------'
+ */
+
+ [_RAISE] = LAYOUT(
+ _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______,
+ KC_GRV, KC_1, KC_2, KC_3, KC_4, KC_5, KC_6, KC_7, KC_8, KC_9, KC_0, _______,
+ KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_F6, XXXXXXX, KC_LEFT, KC_DOWN, KC_UP, KC_RGHT, XXXXXXX,
+ KC_F7, KC_F8, KC_F9, KC_F10, KC_F11, KC_F12, _______, _______, KC_PLUS, KC_MINS, KC_EQL, KC_LBRC, KC_RBRC, KC_BSLS,
+ _______, _______, _______, _______, _______, _______, _______, _______
+ )
+};
diff --git a/keyboards/koca58/mcuconf.h b/keyboards/koca58/mcuconf.h
new file mode 100644
index 0000000000..3270d5f778
--- /dev/null
+++ b/keyboards/koca58/mcuconf.h
@@ -0,0 +1,11 @@
+/* Copyright 2025 oxnh */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+#pragma once
+
+#include_next <mcuconf.h>
+
+#undef STM32_SERIAL_USE_USART3
+#define STM32_SERIAL_USE_USART3 TRUE
+
+#undef STM32_PLLMUL_VALUE
+#define STM32_PLLMUL_VALUE 6
diff --git a/keyboards/koca58/readme.md b/keyboards/koca58/readme.md
new file mode 100644
index 0000000000..fbf1c59954
--- /dev/null
+++ b/keyboards/koca58/readme.md
@@ -0,0 +1,25 @@
+# Koca58
+
+![Koca58](https://i.imgur.com/loOGjGq.jpeg)
+
+A Lily58 variant featuring SMT components, powered by an STM32F103 MCU and utilizing direct wiring. If you have a Lily58 with a soldered dev board (e.g., pro micro), please visit the original [Lily58](/keyboards/lily58) directory.
+
+* Keyboard Maintainer: [oxnh](https://github.com/Hardware7253)
+* Hardware Supported: All Koca58 PCBs
+* Hardware Availability: [Open source design](https://github.com/Hardware7253/Koca58)
+
+Make example for this keyboard (after setting up your build environment):
+
+ make koca58:default
+
+Flashing example for this keyboard:
+
+ make koca58: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:
+
+* **Physical reset button**: Briefly press the button on the back of the PCB before or during uploading firmware