/**
 * 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

//
// 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)

  #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 LCD_CONTRAST       1

      #if ENABLED(MAKRPANEL)

        #define BEEPER_PIN      29
        #define DOGLCD_CS       17
        #define LCD_BACKLIGHT_PIN 28 // PA3

      #else // !MAKRPANEL

        #define DOGLCD_CS       29

      #endif

    #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

    #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

  #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
  #elif ENABLED(OLED_PANEL_TINYBOY2)
    #define BTN_ENC             28
    #define LCD_SDSS            -1
  #else  // !Panelolu2, !TinyBoy2
    #define BTN_ENC             16
    #define LCD_SDSS            28 // Smart Controller SD card reader rather than the Melzi
  #endif // !Panelolu2, !TinyBoy2

  #define SD_DETECT_PIN         -1

#endif // ULTRA_LCD && NEWPANEL
