qmk_firmware

config.h (1430B)

// Copyright 2022 xerootg
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
// //we are using hardware serial, so lets undef the softserial used otherwise
/* serial.c configuration for split keyboard */
#define SERIAL_USART_FULL_DUPLEX   // Enable full duplex operation mode.
#define SERIAL_USART_RX_PIN B7     // USART RX pin
#define SERIAL_USART_TX_PIN B6     // USART TX pin
#define SERIAL_USART_PIN_SWAP    // Swap TX and RX pins if keyboard is master halve.
                                   // Check if this feature is necessary with your keyboard design and available on the mcu.
#define SELECT_SOFT_SERIAL_SPEED 1 // or 0, 2, 3, 4, 5
                                   //  0: 460800 baud
                                   //  1: 230400 baud (default)
                                   //  2: 115200 baud
                                   //  3: 57600 baud
                                   //  4: 38400 baud
                                   //  5: 19200 baud
#define SERIAL_USART_DRIVER SD1    // USART driver of TX and RX pin. default: SD1
#define SERIAL_USART_TX_PAL_MODE 7 // Pin "alternate function", see the respective datasheet for the appropriate values for your MCU. default: 7
#define SERIAL_USART_RX_PAL_MODE 7 // Pin "alternate function", see the respective datasheet for the appropriate values for your MCU. default: 7
#define SERIAL_USART_TIMEOUT 20    // USART driver timeout. default 20