text: /**
   * 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
  
  #if HAS_MULTI_HOTEND || E_STEPPERS > 1
    #error "Ender-4 only supports one hotend / E-stepper. Comment out this line to continue."
  #endif
  
  #define BOARD_INFO_NAME "Ender-4"
  
  #include "pins_RAMPS.h"
  
  // The board only has one PWM fan connector. The others are 12V always-on.
  // The default config uses this pin to control the brightness of the LED
  // band (case light). Thus the hotend and controller fans are always-on.
  
  #if ENABLED(CASE_LIGHT_ENABLE)
    #undef FAN_PIN
    #ifndef CASE_LIGHT_PIN
      #define CASE_LIGHT_PIN MOSFET_B_PIN
    #endif
  #endif
  