qmk_firmware/keyboards/bastardkb/charybdis/3x5/blackpill/config.h

/*
 * Copyright 2020 Christopher Courtney <drashna@live.com> (@drashna)
 * Copyright 2021 Stefan Kerkmann (@KarlK90)
 * Copyright 2021 Charly Delay <charly@codesink.dev> (@0xcharly)
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Publicw 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

/* Handedness. */
#define SPLIT_HAND_PIN A3 // High -> left, Low -> right.

/* RGB settings. */
#define WS2812_PWM_DRIVER PWMD2
#define WS2812_PWM_CHANNEL 2
#define WS2812_PWM_PAL_MODE 1
#define WS2812_EXTERNAL_PULLUP
#define WS2812_PWM_DMA_STREAM STM32_DMA1_STREAM1
#define WS2812_PWM_DMA_CHANNEL 3
#define WS2812_PWM_TARGET_PERIOD 800000

/* Serial configuration for split keyboard. */
#define SERIAL_USART_TX_PIN A9

/* CRC. */
#define CRC8_USE_TABLE
#define CRC8_OPTIMIZE_SPEED

/* SPI config for EEPROM and pmw3360 sensor. */
#define SPI_DRIVER SPID1
#define SPI_SCK_PIN A5
#define SPI_SCK_PAL_MODE 5
#define SPI_MOSI_PIN A7
#define SPI_MOSI_PAL_MODE 5
#define SPI_MISO_PIN A6
#define SPI_MISO_PAL_MODE 5

/* EEPROM config. */
#define EXTERNAL_EEPROM_SPI_SLAVE_SELECT_PIN A4

/* PMW3360 settings. */
#define POINTING_DEVICE_CS_PIN B14
#define PMW33XX_CS_DIVISOR 64