/**
 * 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/>.
 *
 */

/**
 * MegaTronics v3.0 pin assignments
 */

#ifndef __AVR_ATmega2560__
  #error "Oops!  Make sure you have 'Arduino Mega' selected from the 'Tools -> Boards' menu."
#endif

#define MEGATRONICS_31

#if ENABLED(MEGATRONICS_31)
  #define BOARD_NAME       "Megatronics v3.1"
#else
  #define BOARD_NAME       "Megatronics v3.0"
#endif

#define LARGE_FLASH        true

#if ENABLED(Z_PROBE_SLED)
  #define SLED_PIN         -1
#endif

// Servo support
#define SERVO0_PIN         46 // AUX3-6
#define SERVO1_PIN         47 // AUX3-5
#define SERVO2_PIN         48 // AUX3-4
#define SERVO3_PIN         49 // AUX3-3

#define X_STEP_PIN         58
#define X_DIR_PIN          57
#define X_ENABLE_PIN       59
#define X_MIN_PIN          37
#define X_MAX_PIN          40

#define Y_STEP_PIN         5
#define Y_DIR_PIN          17
#define Y_ENABLE_PIN       4
#define Y_MIN_PIN          41
#define Y_MAX_PIN          38

#define Z_STEP_PIN         16
#define Z_DIR_PIN          11
#define Z_ENABLE_PIN       3
#define Z_MIN_PIN          18
#define Z_MAX_PIN          19

#define E0_STEP_PIN        28
#define E0_DIR_PIN         27
#define E0_ENABLE_PIN      29

#define E1_STEP_PIN        25
#define E1_DIR_PIN         24
#define E1_ENABLE_PIN      26

#define E2_STEP_PIN        22
#define E2_DIR_PIN         60
#define E2_ENABLE_PIN      23

#define SDSS 53
#define LED_PIN 13

#define PS_ON_PIN 12

#define HEATER_0_PIN 2
#define HEATER_1_PIN 9
#define HEATER_2_PIN 8
#define HEATER_BED_PIN 10
#define FAN_PIN 6
#define FAN2_PIN 7

#if TEMP_SENSOR_0 == -1
  #define TEMP_0_PIN   11 // ANALOG NUMBERING
#else
  #define TEMP_0_PIN   15 // ANALOG NUMBERING
#endif
#if TEMP_SENSOR_1 == -1
  #define TEMP_1_PIN   10 // ANALOG NUMBERING
#else
  #define TEMP_1_PIN   13 // ANALOG NUMBERING
#endif
#if TEMP_SENSOR_2 == -1
  #define TEMP_2_PIN    9 // ANALOG NUMBERING
#else
  #define TEMP_2_PIN   12 // ANALOG NUMBERING
#endif
#if TEMP_SENSOR_BED == -1
  #define TEMP_BED_PIN  8 // ANALOG NUMBERING
#else
  #define TEMP_BED_PIN 14 // ANALOG NUMBERING
#endif

/**
 * Controllers and LCDs
 */
#define BEEPER_PIN 61

#define BTN_EN1 44
#define BTN_EN2 45
#define BTN_ENC 33

#if ENABLED(REPRAPWORLD_GRAPHICAL_LCD)
  #define LCD_PINS_RS     56 // CS chip select / SS chip slave select
  #define LCD_PINS_ENABLE 51 // SID (MOSI)
  #define LCD_PINS_D4     52 // SCK (CLK) clock
  #define SD_DETECT_PIN   35
#else
  #define LCD_PINS_RS     32
  #define LCD_PINS_ENABLE 31
  #define LCD_PINS_D4     14
  #define LCD_PINS_D5     30
  #define LCD_PINS_D6     39
  #define LCD_PINS_D7     15
  
  #define SHIFT_CLK       43
  #define SHIFT_LD        35
  #define SHIFT_OUT       34
  #define SHIFT_EN        44

  #if ENABLED(MEGATRONICS_31)
    #define SD_DETECT_PIN 56
  #else
    #define SD_DETECT_PIN -1
  #endif

#endif
