[Keyboard] Add handwired feather stm32f405 express board

keyboards/handwired/feather_stm32f405_express/config.h

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+// Copyright 2023 Drashna Jael're (@Drashna Jael're)
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#pragma once
+
+#define I2C1_CLOCK_SPEED  400000
+#define I2C1_DUTY_CYCLE FAST_DUTY_CYCLE_16_9
+
+#define WS2812_PIN C0
+
+#define OLED_DISPLAY_128X128
+#define OLED_UPDATE_INTERVAL 100
+
+#define DRV2605L_FB_ERM_LRA   0
+#define DRV2605L_GREETING     DRV2605L_EFFECT_750_MS_ALERT_100
+#define DRV2605L_DEFAULT_MODE DRV2605L_EFFECT_BUZZ_1_100

keyboards/handwired/feather_stm32f405_express/feather_stm32f405_express.c

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+#include "quantum.h"
+
+void keyboard_post_init_kb(void) {
+    setPinOutput(C1);
+    writePinLow(C1);
+    keyboard_post_init_user();
+}

keyboards/handwired/feather_stm32f405_express/halconf.h

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+/* Copyright 2021 QMK
+ *
+ * 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>

keyboards/handwired/feather_stm32f405_express/info.json

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+{
+    "manufacturer": "Drashna Jael're",
+    "keyboard_name": "handwired/feature_stm32f405_express",
+    "maintainer": "Drashna Jael're",
+    "bootloader": "tinyuf2",
+    "diode_direction": "COL2ROW",
+    "features": {
+        "bootmagic": true,
+        "command": false,
+        "console": false,
+        "extrakey": true,
+        "mousekey": true,
+        "nkro": true
+    },
+    "matrix_pins": {
+        "cols": [null, null, null, null],
+        "rows": [null, null, null, null]
+    },
+    "processor": "STM32F405",
+    "url": "",
+    "usb": {
+        "device_version": "1.0.0",
+        "pid": "0x0000",
+        "vid": "0xFEED"
+    },
+    "rgblight": {
+        "led_count": 1,
+        "pin": "C0",
+        "sleep": true
+    },
+    "layouts": {
+        "LAYOUT_ortho_4x4": {
+            "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": [1, 0], "x": 0, "y": 1},
+                {"matrix": [1, 1], "x": 1, "y": 1},
+                {"matrix": [1, 2], "x": 2, "y": 1},
+                {"matrix": [1, 3], "x": 3, "y": 1},
+                {"matrix": [2, 0], "x": 0, "y": 2},
+                {"matrix": [2, 1], "x": 1, "y": 2},
+                {"matrix": [2, 2], "x": 2, "y": 2},
+                {"matrix": [2, 3], "x": 3, "y": 2},
+                {"matrix": [3, 0], "x": 0, "y": 3},
+                {"matrix": [3, 1], "x": 1, "y": 3},
+                {"matrix": [3, 2], "x": 2, "y": 3},
+                {"matrix": [3, 3], "x": 3, "y": 3}
+            ]
+        }
+    }
+}

keyboards/handwired/feather_stm32f405_express/keymaps/default/keymap.c

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+// Copyright 2023 QMK
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include QMK_KEYBOARD_H
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+    /*
+     * ┌───┬───┬───┬───┐
+     * │ 7 │ 8 │ 9 │ / │
+     * ├───┼───┼───┼───┤
+     * │ 4 │ 5 │ 6 │ * │
+     * ├───┼───┼───┼───┤
+     * │ 1 │ 2 │ 3 │ - │
+     * ├───┼───┼───┼───┤
+     * │ 0 │ . │Ent│ + │
+     * └───┴───┴───┴───┘
+     */
+    [0] = LAYOUT_ortho_4x4(
+        KC_P7,   KC_P8,   KC_P9,   KC_PSLS,
+        KC_P4,   KC_P5,   KC_P6,   KC_PAST,
+        KC_P1,   KC_P2,   KC_P3,   KC_PMNS,
+        KC_P0,   KC_PDOT, KC_PENT, KC_PPLS
+    )
+};

keyboards/handwired/feather_stm32f405_express/mcuconf.h

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+/* Copyright 2021 QMK
+ *
+ *  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 3 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 <https://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include_next <mcuconf.h>
+
+#undef STM32_I2C_USE_I2C1
+#define STM32_I2C_USE_I2C1 TRUE

keyboards/handwired/feather_stm32f405_express/readme.md

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+# handwired/feature_stm32f405_express
+
+![handwired/feature_stm32f405_express](imgur.com image replace me!)
+
+*A short description of the keyboard/project*
+
+* Keyboard Maintainer: [Drashna Jael're](https://github.com/Drashna Jael're)
+* Hardware Supported: *The PCBs, controllers supported*
+* Hardware Availability: *Links to where you can find this hardware*
+
+Make example for this keyboard (after setting up your build environment):
+
+    make handwired/feature_stm32f405_express:default
+
+Flashing example for this keyboard:
+
+    make handwired/feature_stm32f405_express: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

keyboards/handwired/feather_stm32f405_express/rules.mk

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+# This file intentionally left blank
+OLED_ENABLE = yes
+HAPTIC_ENABLE = yes
+HAPTIC_DRIVER = drv2605l
+CONSOLE_ENABLE = yes