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- /**
- * Marlin 3D Printer Firmware
- * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
- *
- * Based on Sprinter and grbl.
- * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
- *
- * 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
-
- /**
- * FYSETC E4 pin assignments
- *
- * 3D printer control board based on the ESP32 microcontroller.
- * Supports 4 stepper drivers, heated bed, single hotend.
- */
-
- #include "env_validate.h"
-
- #if EXTRUDERS > 1 || E_STEPPERS > 1
- #error "FYSETC E4 only supports 1 E stepper."
- #elif HAS_MULTI_HOTEND
- #error "FYSETC E4 only supports 1 hotend / E stepper."
- #endif
-
- #define BOARD_INFO_NAME "FYSETC_E4"
-
- #include "pins_ESPA_common.h"
-
- #if HAS_TMC_UART
- //
- // TMC2209 stepper drivers
- //
-
- //
- // Hardware serial 1
- //
- #define X_HARDWARE_SERIAL Serial1
- #define Y_HARDWARE_SERIAL Serial1
- #define Z_HARDWARE_SERIAL Serial1
- #define E0_HARDWARE_SERIAL Serial1
-
- #define TMC_BAUD_RATE 115200
- #endif
-
- /**
- * Hardware serial pins
- *
- * Override these pins in Configuration.h or Configuration_adv.h if needed.
- *
- * Note: Serial2 can be defined using HARDWARE_SERIAL2_RX and HARDWARE_SERIAL2_TX
- * but MRR ESPA does not have enough spare pins for such reassignment.
- */
- #ifndef HARDWARE_SERIAL1_RX
- #define HARDWARE_SERIAL1_RX 21
- #endif
- #ifndef HARDWARE_SERIAL1_TX
- #define HARDWARE_SERIAL1_TX 22
- #endif
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