[Keyboard] Add converter/xmk

keyboards/converter/xmk/config.h

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+// Copyright 2022 Manna Harbour (@manna-harbour)
+// https://github.com/manna-harbour/xmk
+
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#if defined (XMK_DEBUG)
+  #define DEBUG_MATRIX_SCAN_RATE
+#endif

keyboards/converter/xmk/info.json

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+{
+    "keyboard_name": "xmk",
+    "manufacturer": "Manna Harbour",
+    "maintainer": "manna-harbour",
+    "url": "https://github.com/manna-harbour/xmk",
+    "bootloader": "caterina",
+    "features": {
+        "virtser": true
+    },
+    "matrix_pins": {
+        "cols": ["C2", "C2", "C2", "C2", "C2", "C2", "C2", "C2", "C2", "C2", "C2", "C2", "C2", "C2", "C2", "C2", "C2", "C2", "C2", "C2", "C2", "C2", "C2", "C2", "C2", "C2", "C2", "C2", "C2", "C2", "C2", "C2"],
+        "rows": ["D1", "D1", "D1", "D1"]
+    },
+    "processor": "atmega32u4",
+    "usb": {
+        "device_version": "1.0.0",
+        "pid": "0xD465",
+        "vid": "0xFEED"
+    },
+    "community_layouts": [
+        "split_3x5_3"
+    ],
+    "layouts": {
+        "LAYOUT_split_3x5_3": {
+            "layout": [
+                { "matrix": [0, 0], "x": 0, "y": 0.25 },
+                { "matrix": [0, 1], "x": 1, "y": 0.125 },
+                { "matrix": [0, 2], "x": 2, "y": 0 },
+                { "matrix": [0, 3], "x": 3, "y": 0.125 },
+                { "matrix": [0, 4], "x": 4, "y": 0.25 },
+                { "matrix": [0, 5], "x": 7, "y": 0.25 },
+                { "matrix": [0, 6], "x": 8, "y": 0.125 },
+                { "matrix": [0, 7], "x": 9, "y": 0 },
+                { "matrix": [0, 8], "x": 10, "y": 0.125 },
+                { "matrix": [0, 9], "x": 11, "y": 0.25 },
+                { "matrix": [0, 10], "x": 0, "y": 1.25 },
+                { "matrix": [0, 11], "x": 1, "y": 1.125 },
+                { "matrix": [0, 12], "x": 2, "y": 1 },
+                { "matrix": [0, 13], "x": 3, "y": 1.125 },
+                { "matrix": [0, 14], "x": 4, "y": 1.25 },
+                { "matrix": [0, 15], "x": 7, "y": 1.25 },
+                { "matrix": [0, 16], "x": 8, "y": 1.125 },
+                { "matrix": [0, 17], "x": 9, "y": 1 },
+                { "matrix": [0, 18], "x": 10, "y": 1.125 },
+                { "matrix": [0, 19], "x": 11, "y": 1.25 },
+                { "matrix": [0, 20], "x": 0, "y": 2.25 },
+                { "matrix": [0, 21], "x": 1, "y": 2.125 },
+                { "matrix": [0, 22], "x": 2, "y": 2 },
+                { "matrix": [0, 23], "x": 3, "y": 2.125 },
+                { "matrix": [0, 24], "x": 4, "y": 2.25 },
+                { "matrix": [0, 25], "x": 7, "y": 2.25 },
+                { "matrix": [0, 26], "x": 8, "y": 2.125 },
+                { "matrix": [0, 27], "x": 9, "y": 2 },
+                { "matrix": [0, 28], "x": 10, "y": 2.125 },
+                { "matrix": [0, 29], "x": 11, "y": 2.25 },
+                { "matrix": [0, 30], "x": 2.5, "y": 3.25 },
+                { "matrix": [0, 31], "x": 3.5, "y": 3.5 },
+                { "matrix": [1, 0], "x": 4.5, "y": 3.75 },
+                { "matrix": [1, 1], "x": 6.5, "y": 3.75 },
+                { "matrix": [1, 2], "x": 7.5, "y": 3.5 },
+                { "matrix": [1, 3], "x": 8.5, "y": 3.25 }
+            ]
+        }
+    }
+}

keyboards/converter/xmk/keymaps/default/keymap.c

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+// Copyright 2022 Manna Harbour (@manna-harbour)
+// https://github.com/manna-harbour/xmk
+
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include QMK_KEYBOARD_H
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+  [0] = LAYOUT_split_3x5_3(
+    KC_Q,    KC_W,    KC_F,    KC_P,    KC_B,             KC_J,    KC_L,    KC_U,    KC_Y,    KC_QUOT,
+    KC_A,    KC_R,    KC_S,    KC_T,    KC_G,             KC_M,    KC_N,    KC_E,    KC_I,    KC_O,
+    KC_Z,    KC_X,    KC_C,    KC_D,    KC_V,             KC_K,    KC_H,    KC_COMM, KC_DOT,  KC_SLSH,
+                      KC_ESC,  KC_SPC,  KC_TAB,           KC_ENT,  KC_BSPC, KC_DEL
+  )
+};

keyboards/converter/xmk/post_rules.mk

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+# Copyright 2022 Manna Harbour (@manna-harbour)
+# https://github.com/manna-harbour/xmk
+
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+ifeq ($(strip $(XMK_DEBUG)), yes)
+  CONSOLE_ENABLE = yes
+  OPT_DEFS += -DXMK_DEBUG
+endif

keyboards/converter/xmk/readme.md

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+# converter/xmk
+
+`converter/xmk` is the QMK keyboard definition for [𝑥MK](https://github.com/manna-harbour/xmk).
+
+* Keyboard Maintainer: [Manna Harbour](https://github.com/manna-harbour)
+* Hardware Supported: Any QMK-compatible MCU board
+* Hardware Availability: No additional hardware required
+
+Make example for this keyboard (after setting up your build environment):
+
+    make converter/xmk:default
+
+Flashing example for this keyboard:
+
+    make converter/xmk:default:flash
+
+To flash pre-compiled firmware to a pro-micro on Linux without using the `qmk` CLI:
+
+    avrdude -p atmega32u4 -c avr109 -U flash:w:converter_xmk_default.hex:i -P /dev/ttyACM0
+
+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 4 ways:
+
+* **Boot shell command**: Give the `boot` command to the `converter/xmk` shell, e.g. `echo "boot" > /dev/ttyACM0`
+* **Keycode in layout**: Press the key mapped to `QK_BOOT` if it is available
+* **Physical reset button**: Briefly press the button on the back of the PCB - some may have pads you must short instead
+* **Bootmagic reset**: Hold down the key at (0,0) in the matrix (usually the top left key or Escape) and plug in the keyboard

keyboards/converter/xmk/rules.mk

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+# Copyright 2022 Manna Harbour (@manna-harbour)
+# https://github.com/manna-harbour/xmk
+
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+SRC += xmk_matrix.c
+SRC += xmk_shell.c
+CUSTOM_MATRIX = lite
+
+#XMK_DEBUG = yes

keyboards/converter/xmk/xmk.c

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+// Copyright 2022 Manna Harbour (@manna-harbour)
+// https://github.com/manna-harbour/xmk
+
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include QMK_KEYBOARD_H
+
+#if defined (XMK_DEBUG)
+void keyboard_post_init_kb(void) {
+  debug_enable=true;
+  debug_matrix=true;
+  debug_keyboard=true;
+}
+#endif

keyboards/converter/xmk/xmk_matrix.c

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+// Copyright 2022 Manna Harbour (@manna-harbour)
+// https://github.com/manna-harbour/xmk
+
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "xmk_matrix.h"
+
+bool xmk_changed = false;
+matrix_row_t xmk_rows[MATRIX_ROWS];
+
+bool matrix_scan_custom(matrix_row_t current_matrix[]) {
+  if (xmk_changed) {
+    for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
+      current_matrix[row] = xmk_rows[row];
+    }
+    xmk_changed = false;
+    return true;
+  } else {
+    return false;
+  }
+}
+
+void xmk_matrix_key(bool press, uint8_t key) {
+  dprintf("xmk_matrix_key: press: %s, key: %u\n", press?"true":"false", key);
+  uint8_t row = key / MATRIX_COLS;
+  if (row < MATRIX_ROWS) {
+    uint8_t col = key % MATRIX_COLS;
+    xmk_changed = true;
+    if (press) {
+      xmk_rows[row] |= (MATRIX_ROW_SHIFTER << col);
+    } else {
+      xmk_rows[row] &= ~(MATRIX_ROW_SHIFTER << col);
+    }
+  }
+}

keyboards/converter/xmk/xmk_matrix.h

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+// Copyright 2022 Manna Harbour (@manna-harbour)
+// https://github.com/manna-harbour/xmk
+
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#include QMK_KEYBOARD_H
+
+void xmk_matrix_key(bool press, uint8_t key);

keyboards/converter/xmk/xmk_shell.c

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+// Copyright 2022 Manna Harbour (@manna-harbour)
+// https://github.com/manna-harbour/xmk
+
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include QMK_KEYBOARD_H
+#include <stdio.h>
+#include <string.h>
+
+#include "xmk_matrix.h"
+
+#define XMK_SHELL_LINE_LEN 64
+
+#define XMK_SHELL_KEY "key "
+#define XMK_SHELL_KEY_PRESS "press "
+#define XMK_SHELL_KEY_RELEASE "release "
+#define XMK_SHELL_BOOT "boot"
+#define XMK_SHELL_RESET "reset"
+
+void xmk_shell(char *line) {
+  dprintf("xmk_shell: line: '%s'\n", line);
+  if (strncmp(line, XMK_SHELL_KEY, strlen(XMK_SHELL_KEY)) == 0) {
+    dprintf("xmk_shell: XMK_SHELL_KEY\n");
+    if (strncmp(line + strlen(XMK_SHELL_KEY), XMK_SHELL_KEY_PRESS, strlen(XMK_SHELL_KEY_PRESS)) == 0) {
+      uint8_t key = strtol(line + strlen(XMK_SHELL_KEY) + strlen(XMK_SHELL_KEY_PRESS), NULL, 10);
+      dprintf("xmk_shell: XMK_SHELL_KEY_PRESS: key: %u\n", key);
+      xmk_matrix_key(true, key);
+    } else if (strncmp(line + strlen(XMK_SHELL_KEY), XMK_SHELL_KEY_RELEASE, strlen(XMK_SHELL_KEY_RELEASE)) == 0) {
+      uint8_t key = strtol(line + strlen(XMK_SHELL_KEY) + strlen(XMK_SHELL_KEY_RELEASE), NULL, 10);
+      dprintf("xmk_shell: XMK_SHELL_KEY_RELEASE: key: %u\n", key);
+      xmk_matrix_key(false, key);
+    }
+  } else if (strcmp(line, XMK_SHELL_BOOT) == 0) {
+    dprintf("xmk_shell: XMK_SHELL_BOOT\n");
+    reset_keyboard();
+  } else if (strcmp(line, XMK_SHELL_RESET) == 0) {
+    dprintf("xmk_shell: XMK_SHELL_RESET\n");
+    soft_reset_keyboard();
+  }
+}
+
+void virtser_recv(const uint8_t ch) {
+  static char line[XMK_SHELL_LINE_LEN];
+  static uint8_t line_index = 0;
+  if (ch == '\r') {
+    dprintf("virtser_recv: i: %3u, ch: %3u '\\r' \n", line_index, ch);
+    line[line_index] = '\0';
+    xmk_shell(line);
+    line_index = 0;
+  } else if (ch == '\n') {
+    dprintf("virtser_recv: i: %3u, ch: %3u '\\n' \n", line_index, ch);
+  } else {
+    dprintf("virtser_recv: i: %3u, ch: %3u '%c'\n", line_index, ch, ch);
+    if (line_index < (XMK_SHELL_LINE_LEN - 1)) {
+      line[line_index] = ch;
+      line_index++;
+    }
+  }
+}