/**
 * 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

/**
 * Einsy-Retro pin assignments
 */

#if NOT_TARGET(__AVR_ATmega2560__)
  #error "Oops! Select 'Arduino Mega 2560 or Rambo' in 'Tools > Board.'"
#endif

#define BOARD_INFO_NAME "Einsy Retro"

//
// TMC2130 Configuration_adv defaults for EinsyRetro
//
#if !AXIS_DRIVER_TYPE_X(TMC2130) || !AXIS_DRIVER_TYPE_Y(TMC2130) || !AXIS_DRIVER_TYPE_Z(TMC2130) || !AXIS_DRIVER_TYPE_E0(TMC2130)
  #error "You must set ([XYZ]|E0)_DRIVER_TYPE to TMC2130 in Configuration.h for EinsyRetro."
#endif

// TMC2130 Diag Pins
#define X_DIAG_PIN                            64
#define Y_DIAG_PIN                            69
#define Z_DIAG_PIN                            68
#define E0_DIAG_PIN                           65

//
// Limit Switches
//
// Only use Diag Pins when SENSORLESS_HOMING is enabled for the TMC2130 drivers.
// Otherwise use a physical endstop based configuration.
//
// SERVO0_PIN and Z_MIN_PIN configuration for BLTOUCH sensor when combined with SENSORLESS_HOMING.
//

#if DISABLED(SENSORLESS_HOMING)

  #define X_MIN_PIN                           12  // X-
  #define Y_MIN_PIN                           11  // Y-
  #define Z_MIN_PIN                           10  // Z-
  #define X_MAX_PIN                           81  // X+
  #define Y_MAX_PIN                           57  // Y+

#else

  #if X_HOME_DIR < 0
    #define X_MIN_PIN                 X_DIAG_PIN
    #define X_MAX_PIN                         81  // X+
  #else
    #define X_MIN_PIN                         12  // X-
    #define X_MAX_PIN                 X_DIAG_PIN
  #endif

  #if Y_HOME_DIR < 0
    #define Y_MIN_PIN                 Y_DIAG_PIN
    #define Y_MAX_PIN                         57  // Y+
  #else
    #define Y_MIN_PIN                         11  // Y-
    #define Y_MAX_PIN                 Y_DIAG_PIN
  #endif

  #if ENABLED(BLTOUCH)
    #define Z_MIN_PIN                         11  // Y-MIN
    #define SERVO0_PIN                        10  // Z-MIN
  #else
    #define Z_MIN_PIN                         10
  #endif

#endif

#define Z_MAX_PIN                              7

//
// Z Probe (when not Z_MIN_PIN)
//
#ifndef Z_MIN_PROBE_PIN
  #define Z_MIN_PROBE_PIN                     10
#endif

//
// Steppers
//
#define X_STEP_PIN                            37
#define X_DIR_PIN                             49
#define X_ENABLE_PIN                          29
#define X_CS_PIN                              41

#define Y_STEP_PIN                            36
#define Y_DIR_PIN                             48
#define Y_ENABLE_PIN                          28
#define Y_CS_PIN                              39

#define Z_STEP_PIN                            35
#define Z_DIR_PIN                             47
#define Z_ENABLE_PIN                          27
#define Z_CS_PIN                              67

#define E0_STEP_PIN                           34
#define E0_DIR_PIN                            43
#define E0_ENABLE_PIN                         26
#define E0_CS_PIN                             66

//
// Temperature Sensors
//
#define TEMP_0_PIN                             0  // Analog Input
#define TEMP_1_PIN                             1  // Analog Input
#define TEMP_BED_PIN                           2  // Analog Input

//
// Heaters / Fans
//
#define HEATER_0_PIN                           3
#define HEATER_BED_PIN                         4

#ifndef FAN_PIN
  #define FAN_PIN                              8
#endif
#define FAN1_PIN                               6

//
// Misc. Functions
//
#define SDSS                                  53
#define LED_PIN                               13

#ifndef CASE_LIGHT_PIN
  #define CASE_LIGHT_PIN                       9
#endif

//
// M3/M4/M5 - Spindle/Laser Control
//
// use P1 connector for spindle pins
#define SPINDLE_LASER_PWM_PIN                  9  // Hardware PWM
#define SPINDLE_LASER_ENA_PIN                 18  // Pullup!
#define SPINDLE_DIR_PIN                       19

//
// Průša i3 MK2 Multiplexer Support
//
#define E_MUX0_PIN                            17
#define E_MUX1_PIN                            16
#define E_MUX2_PIN                            78  // 84 in MK2 Firmware, with BEEPER as 78

//
// LCD / Controller
//
#if ANY(HAS_WIRED_LCD, TOUCH_UI_ULTIPANEL, TOUCH_UI_FTDI_EVE)

  #define KILL_PIN                            32

  #if ANY(IS_ULTIPANEL, TOUCH_UI_ULTIPANEL, TOUCH_UI_FTDI_EVE)

    #if ENABLED(CR10_STOCKDISPLAY)
      #define LCD_PINS_RS                     85
      #define LCD_PINS_ENABLE                 71
      #define LCD_PINS_D4                     70
      #define BTN_EN1                         18
      #define BTN_EN2                         19
    #else
      #define LCD_PINS_RS                     82
      #define LCD_PINS_ENABLE                 18  // On 0.6b, use 61
      #define LCD_PINS_D4                     19  // On 0.6b, use 59
      #define LCD_PINS_D5                     70
      #define LCD_PINS_D6                     85
      #define LCD_PINS_D7                     71
      #define BTN_EN1                         14
      #define BTN_EN2                         72
    #endif

    #define BTN_ENC                            9  // AUX-2
    #define BEEPER_PIN                        84  // AUX-4

    #define SD_DETECT_PIN                     15

    #if ENABLED(REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER)
      #define BTN_ENC_EN             LCD_PINS_D7  // Detect the presence of the encoder
    #endif

  #endif // IS_ULTIPANEL || TOUCH_UI_ULTIPANEL || TOUCH_UI_FTDI_EVE

#endif // HAS_WIRED_LCD || TOUCH_UI_ULTIPANEL || TOUCH_UI_FTDI_EVE
