/**
 * 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 <http://www.gnu.org/licenses/>.
 *
 */
#pragma once

/**
 * Alligator Board R2
 * http://www.3dartists.org/
 */

#ifndef __SAM3X8E__
  #error "Oops! Select 'Arduino Due' in 'Tools > Board.'"
#endif

#define BOARD_INFO_NAME    "Alligator Board R2"

//
// Servos
//
#define SERVO0_PIN         36
#define SERVO1_PIN         40
#define SERVO2_PIN         41
#define SERVO3_PIN         -1

//
// Limit Switches
//
#define X_MIN_PIN          33   // PC1
#define X_MAX_PIN          34   // PC2
#define Y_MIN_PIN          35   // PC3
#define Y_MAX_PIN          37   // PC5
#define Z_MIN_PIN          38   // PC6
#define Z_MAX_PIN          39   // PC7

//
// Steppers
//
#define X_STEP_PIN         96   // PB24
#define X_DIR_PIN           2   // PB25
#define X_ENABLE_PIN       24   // PA15, motor RESET pin

#define Y_STEP_PIN         94   // PB22
#define Y_DIR_PIN          95   // PB23
#define Y_ENABLE_PIN       24   // PA15, motor RESET pin

#define Z_STEP_PIN         98   // PC27
#define Z_DIR_PIN           3   // PC28
#define Z_ENABLE_PIN       24   // PA15, motor RESET pin

#define E0_STEP_PIN         5   // PC25
#define E0_DIR_PIN          4   // PC26
#define E0_ENABLE_PIN      24   // PA15, motor RESET pin

#define E1_STEP_PIN        28   // PD3 on piggy
#define E1_DIR_PIN         27   // PD2 on piggy
#define E1_ENABLE_PIN      24   // PA15, motor RESET pin

#define E2_STEP_PIN        11   // PD7 on piggy
#define E2_DIR_PIN         29   // PD6 on piggy
#define E2_ENABLE_PIN      24   // PA15, motor RESET pin

#define E3_STEP_PIN        30   // PD9 on piggy
#define E3_DIR_PIN         12   // PD8 on piggy
#define E3_ENABLE_PIN      24   // PA15, motor RESET pin

// Microstepping pins - Mapping not from fastio.h (?)
#define X_MS1_PIN          99   // PC10
#define Y_MS1_PIN          10   // PC29
#define Z_MS1_PIN          44   // PC19
#define E0_MS1_PIN         45   // PC18

//#define MOTOR_FAULT_PIN  22   // PB26 , motor X-Y-Z-E0 motor FAULT

//
// Temperature Sensors
//
#define TEMP_0_PIN          1   // Analog Input (PA24)
#define TEMP_1_PIN          2   // Analog Input (PA23 on piggy)
#define TEMP_2_PIN          3   // Analog Input (PA22 on piggy)
#define TEMP_3_PIN          4   // Analog Input (PA6 on piggy)
#define TEMP_BED_PIN        0   // Analog Input (PA16)

//
// Heaters / Fans
//
// Note that on the Due pin A0 on the board is channel 2 on the ARM chip
#define HEATER_0_PIN       68   // PA1
#define HEATER_1_PIN        8   // PC22 on piggy
#define HEATER_2_PIN        9   // PC21 on piggy
#define HEATER_3_PIN       97   // PC20 on piggy
#define HEATER_BED_PIN     69   // PA0

#ifndef FAN_PIN
  #define FAN_PIN          92   // PA5
#endif
#define FAN1_PIN           31   // PA7

//
// Misc. Functions
//
#define SDSS               77   // PA28
#define SD_DETECT_PIN      87   // PA29
#define LED_RED_PIN        40   // PC8
#define LED_GREEN_PIN      41   // PC9

#define EXP_VOLTAGE_LEVEL_PIN 65

#define SPI_CHAN_DAC        1

#define DAC0_SYNC          53   // PB14
#define DAC1_SYNC           6   // PC24

// 64K SPI EEPROM
#define SPI_EEPROM
#define SPI_CHAN_EEPROM1    2
#define SPI_EEPROM1_CS     25   // PD0

// 2K SPI EEPROM
#define SPI_EEPROM2_CS     26   // PD1

// FLASH SPI
// 32Mb
#define SPI_FLASH_CS       23   // PA14

//
// LCD / Controller
//
#if ENABLED(REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER)

  #define LCD_PINS_RS      18
  #define LCD_PINS_ENABLE  15
  #define LCD_PINS_D4      19
  #define BEEPER_PIN       64

  #define BTN_EN1          14
  #define BTN_EN2          16
  #define BTN_ENC          17

  #undef UI_VOLTAGE_LEVEL
  #define UI_VOLTAGE_LEVEL 1

#endif // REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER
