[Keyboard] Add chosfox cf81 (#21437)

Co-authored-by: Duncan Sutherland <dunk2k_2000@hotmail.com>
Co-authored-by: jack <0x6a73@protonmail.com>

keyboards/chosfox/cf81/config.h

@@ -0,0 +1,52 @@
+/* Copyright (C) 2023 jonylee@hfd
+ *
+ * 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
+
+/* Use 4 dynamic keymap layers */
+#define DYNAMIC_KEYMAP_LAYER_COUNT 4
+
+/* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */
+#define LOCKING_SUPPORT_ENABLE
+/* Locking resynchronize hack */
+#define LOCKING_RESYNC_ENABLE
+
+/* SPI Config for spi flash*/
+#define SPI_DRIVER SPIDQ
+#define SPI_SCK_PIN B3
+#define SPI_MOSI_PIN B5
+#define SPI_MISO_PIN B4
+#define SPI_MOSI_PAL_MODE 5
+
+#define EXTERNAL_FLASH_SPI_SLAVE_SELECT_PIN C12
+#define WEAR_LEVELING_BACKING_SIZE (8 * 1024)
+
+/* I2C Config for LED Driver */
+#define DRIVER_COUNT 2
+#define DRIVER_ADDR_1 0b1110100
+#define DRIVER_ADDR_2 0b1110111
+#define I2C1_OPMODE OPMODE_I2C
+#define I2C1_CLOCK_SPEED 400000 /* 400000 */
+
+#define DRIVER_1_LED_TOTAL 63
+#define DRIVER_2_LED_TOTAL 20
+#define RGB_MATRIX_LED_COUNT (DRIVER_1_LED_TOTAL + DRIVER_2_LED_TOTAL + 22)
+
+#define RGB_DISABLE_WHEN_USB_SUSPENDED // turn off effects when suspended
+#define RGB_TRIGGER_ON_KEYDOWN
+#define RGB_MATRIX_FRAMEBUFFER_EFFECTS
+#define RGB_MATRIX_KEYPRESSES
+#define RGB_MATRIX_KEYRELEASES