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
  
  /**
   * To build with Arduino IDE use "Discovery F407VG"
   * To build with PlatformIO use environment "STM32F4"
   */
  #if !defined(STM32F4) && !defined(STM32F4xx)
    #error "Oops! Select an STM32F4 board in 'Tools > Board.'"
  #elif HOTENDS > 2 || E_STEPPERS > 2
    #error "STM32F4 supports up to 2 hotends / E-steppers."
  #endif
  
  #define BOARD_INFO_NAME      "Misc. STM32F4"
  #define DEFAULT_MACHINE_NAME "STM32F407VET6"
  
  //#define I2C_EEPROM
  
  #ifndef MARLIN_EEPROM_SIZE
    #define MARLIN_EEPROM_SIZE              0x1000  // 4KB
  #endif
  
  // Ignore temp readings during development.
  //#define BOGUS_TEMPERATURE_GRACE_PERIOD    2000
  
  //
  // Limit Switches
  //
  #define X_MIN_PIN                           PE0
  #define X_MAX_PIN                           -1
  #define Y_MIN_PIN                           PE1
  #define Y_MAX_PIN                           -1
  #define Z_MIN_PIN                           PE14
  #define Z_MAX_PIN                           -1
  
  //
  // Z Probe (when not Z_MIN_PIN)
  //
  
  //#ifndef Z_MIN_PROBE_PIN
  //  #define Z_MIN_PROBE_PIN  PA4
  //#endif
  
  //
  // Steppers
  //
  
  #define X_STEP_PIN                          PD3
  #define X_DIR_PIN                           PD2
  #define X_ENABLE_PIN                        PD0
  //#ifndef X_CS_PIN
  //  #define X_CS_PIN         PD1
  //#endif
  
  #define Y_STEP_PIN                          PE11
  #define Y_DIR_PIN                           PE10
  #define Y_ENABLE_PIN                        PE13
  //#ifndef Y_CS_PIN
  //  #define Y_CS_PIN         PE12
  //#endif
  
  #define Z_STEP_PIN                          PD6
  #define Z_DIR_PIN                           PD7
  #define Z_ENABLE_PIN                        PD4
  //#ifndef Z_CS_PIN
  //  #define Z_CS_PIN         PD5
  //#endif
  
  #define E0_STEP_PIN                         PB5
  #define E0_DIR_PIN                          PB6
  #define E0_ENABLE_PIN                       PB3
  //#ifndef E0_CS_PIN
  //  #define E0_CS_PIN         PB4
  //#endif
  
  #define E1_STEP_PIN                         PE4
  #define E1_DIR_PIN                          PE2
  #define E1_ENABLE_PIN                       PE3
  //#ifndef E1_CS_PIN
  //  #define E1_CS_PIN         PE5
  //#endif
  
  #define SCK_PIN                             PA5
  #define MISO_PIN                            PA6
  #define MOSI_PIN                            PA7
  
  //
  // Temperature Sensors
  //
  
  #define TEMP_0_PIN                          PC0   // Analog Input
  #define TEMP_1_PIN                          PC1   // Analog Input
  #define TEMP_BED_PIN                        PC2   // Analog Input
  
  //
  // Heaters / Fans
  //
  
  #define HEATER_0_PIN                        PA1
  #define HEATER_1_PIN                        PA2
  #define HEATER_BED_PIN                      PA0
  
  #ifndef FAN_PIN
    #define FAN_PIN                           PC6
  #endif
  #define FAN1_PIN                            PC7
  #define FAN2_PIN                            PC8
  
  #ifndef E0_AUTO_FAN_PIN
    #define E0_AUTO_FAN_PIN                   PC7
  #endif
  
  //
  // Misc. Functions
  //
  
  //#define CASE_LIGHT_PIN_CI                 PF13
  //#define CASE_LIGHT_PIN_DO                 PF14
  //#define NEOPIXEL_PIN                      PF13
  
  //
  // Průša i3 MK2 Multi Material Multiplexer Support
  //
  
  //#define E_MUX0_PIN                        PG3
  //#define E_MUX1_PIN                        PG4
  
  //
  // Servos
  //
  
  //#define SERVO0_PIN                        PE13
  //#define SERVO1_PIN                        PE14
  
  #define SDSS                                PE7
  #define SS_PIN                              PE7
  #define LED_PIN                             PB7   //Alive
  #define PS_ON_PIN                           PA10
  #define KILL_PIN                            PA8
  #define PWR_LOSS                            PA4   //Power loss / nAC_FAULT
  
  //
  // LCD / Controller
  //
  
  #define SD_DETECT_PIN                       PA15
  #define BEEPER_PIN                          PC9
  #define LCD_PINS_RS                         PE9
  #define LCD_PINS_ENABLE                     PE8
  #define LCD_PINS_D4                         PB12
  #define LCD_PINS_D5                         PB13
  #define LCD_PINS_D6                         PB14
  #define LCD_PINS_D7                         PB15
  #define BTN_EN1                             PC4
  #define BTN_EN2                             PC5
  #define BTN_ENC                             PC3
  
  //
  // Filament runout
  //
  
  #define FIL_RUNOUT_PIN                      PA3
  
  //
  // ST7920 Delays
  //
  #if HAS_GRAPHICAL_LCD
    #ifndef BOARD_ST7920_DELAY_1
      #define BOARD_ST7920_DELAY_1  DELAY_NS(96)
    #endif
    #ifndef BOARD_ST7920_DELAY_2
      #define BOARD_ST7920_DELAY_2  DELAY_NS(48)
    #endif
    #ifndef BOARD_ST7920_DELAY_3
      #define BOARD_ST7920_DELAY_3 DELAY_NS(715)
    #endif
  #endif
  