text: /**
   * Marlin 3D Printer Firmware
   * Copyright (C) 2016 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 <http://www.gnu.org/licenses/>.
   *
   */
  
  /**
   * Sanguinololu board pin assignments
   */
  
  #if !defined(__AVR_ATmega644P__) && !defined(__AVR_ATmega1284P__)
    #error "Oops!  Make sure you have 'Sanguino' selected from the 'Tools -> Boards' menu."
  #endif
  
  #ifndef BOARD_NAME
    #define BOARD_NAME "Sanguinololu <1.2"
  #endif
  
  #define IS_MELZI (MB(MELZI) || MB(MELZI_MAKR3D))
  
  //
  // Limit Switches
  //
  #define X_STOP_PIN         18
  #define Y_STOP_PIN         19
  #define Z_STOP_PIN         20
  
  //
  // Z Probe (when not Z_MIN_PIN)
  //
  #if ENABLED(Z_PROBE_SLED)
    #define SLED_PIN         -1
  #endif
  
  //
  // Steppers
  //
  #define X_STEP_PIN         15
  #define X_DIR_PIN          21
  
  #define Y_STEP_PIN         22
  #define Y_DIR_PIN          23
  
  #define Z_STEP_PIN          3
  #define Z_DIR_PIN           2
  
  #define E0_STEP_PIN         1
  #define E0_DIR_PIN          0
  
  //
  // Temperature Sensors
  //
  #define TEMP_0_PIN          7   // Analog Input (pin 33 extruder)
  #define TEMP_BED_PIN        6   // Analog Input (pin 34 bed)
  
  //
  // Heaters / Fans
  //
  #define HEATER_0_PIN       13 // (extruder)
  
  #if ENABLED(SANGUINOLOLU_V_1_2)
  
    #define HEATER_BED_PIN   12 // (bed)
    #define X_ENABLE_PIN     14
    #define Y_ENABLE_PIN     14
    #define Z_ENABLE_PIN     26
    #define E0_ENABLE_PIN    14
  
    #if ENABLED(LCD_I2C_PANELOLU2)
      #define FAN_PIN         4 // Uses Transistor1 (PWM) on Panelolu2's Sanguino Adapter Board to drive the fan
    #endif
  
  #else
  
    #define HEATER_BED_PIN   14 // (bed)
    #define X_ENABLE_PIN     -1
    #define Y_ENABLE_PIN     -1
    #define Z_ENABLE_PIN     -1
    #define E0_ENABLE_PIN    -1
  
  #endif
  
  #if MB(AZTEEG_X1) || MB(STB_11) || IS_MELZI
    #define FAN_PIN           4 // Works for Panelolu2 too
  #endif
  
  //
  // Misc. Functions
  //
  /**
   * On some broken versions of the Sanguino libraries the pin definitions are wrong,
   * which then needs SDSS as pin 24. But you should upgrade your Sanguino libraries! See #368.
   */
  //#define SDSS               24
  #define SDSS               31
  
  #if IS_MELZI
    #define LED_PIN          27 // On some broken versions of the Sanguino libraries the pin definitions are wrong, so LED_PIN needs to be 28. But you should upgrade your Sanguino libraries! See #368.
  #elif MB(STB_11)
    #define LCD_BACKLIGHT_PIN 17 // LCD backlight LED
  #endif
  
  //
  // LCD / Controller
  //
  #if ENABLED(ULTRA_LCD) && ENABLED(NEWPANEL)
  
    // No buzzer installed
    #define BEEPER_PIN -1
  
    // LCD Pins
    #if ENABLED(DOGLCD)
  
      #if ENABLED(U8GLIB_ST7920) // SPI GLCD 12864 ST7920 ( like [www.digole.com] ) For Melzi V2.0
  
        #if IS_MELZI // Melzi board
          #define LCD_PINS_RS     30 // CS chip select /SS chip slave select
          #define LCD_PINS_ENABLE 29 // SID (MOSI)
          #define LCD_PINS_D4     17 // SCK (CLK) clock
          // Pin 27 is taken by LED_PIN, but Melzi LED does nothing with
          // Marlin so this can be used for BEEPER_PIN. You can use this pin
          // with M42 instead of BEEPER_PIN.
          #define BEEPER_PIN      27
        #else         // Sanguinololu 1.3
          #define LCD_PINS_RS      4
          #define LCD_PINS_ENABLE 17
          #define LCD_PINS_D4     30
          #define LCD_PINS_D5     29
          #define LCD_PINS_D6     28
          #define LCD_PINS_D7     27
        #endif
  
      #else // DOGM SPI LCD Support
  
        #define DOGLCD_A0         30
        #define DOGLCD_CS         29
        #define LCD_CONTRAST       1
  
      #endif
  
      // Uncomment screen orientation
      #define LCD_SCREEN_ROT_0
      //#define LCD_SCREEN_ROT_90
      //#define LCD_SCREEN_ROT_180
      //#define LCD_SCREEN_ROT_270
  
    #else // !DOGLCD - Standard Hitachi LCD controller
  
      #define LCD_PINS_RS          4
      #define LCD_PINS_ENABLE     17
      #define LCD_PINS_D4         30
      #define LCD_PINS_D5         29
      #define LCD_PINS_D6         28
      #define LCD_PINS_D7         27
  
    #endif // !DOGLCD
  
    //The encoder and click button
    #define BTN_EN1               11
    #define BTN_EN2               10
    #if ENABLED(LCD_I2C_PANELOLU2)
      #if IS_MELZI
        #define BTN_ENC           29
        #define LCD_SDSS          30 // Panelolu2 SD card reader rather than the Melzi
      #else
        #define BTN_ENC           30
      #endif
    #else
      #define BTN_ENC             16
      #define LCD_SDSS            28 // Smart Controller SD card reader rather than the Melzi
    #endif // Panelolu2
  
    #define SD_DETECT_PIN         -1
  
  #elif ENABLED(MAKRPANEL)
  
    #define BEEPER_PIN            29
  
    // Pins for DOGM SPI LCD Support
    #define DOGLCD_A0             30
    #define DOGLCD_CS             17
    #define LCD_BACKLIGHT_PIN     28 // backlight LED on PA3
    // GLCD features
    #define LCD_CONTRAST           1
    // Uncomment screen orientation
    #define LCD_SCREEN_ROT_0
    //#define LCD_SCREEN_ROT_90
    //#define LCD_SCREEN_ROT_180
    //#define LCD_SCREEN_ROT_270
    //The encoder and click button
    #define BTN_EN1               11
    #define BTN_EN2               10
    #define BTN_ENC               16
  
    #define SD_DETECT_PIN         -1
  
  #endif // MAKRPANEL
  