/**
 * 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/>.
 *
 */
#pragma once

/**
 * MRR ESPE pin assignments
 * MRR ESPE is a 3D printer control board based on the ESP32 microcontroller.
 * Supports 5 stepper drivers (using I2S stepper stream), heated bed,
 * single hotend, and LCD controller.
 */

#ifndef ARDUINO_ARCH_ESP32
  #error "Oops! Select an ESP32 board in 'Tools > Board.'"
#elif EXTRUDERS > 2 || E_STEPPERS > 2
  #error "MRR ESPE only supports two E Steppers. Comment out this line to continue."
#elif HOTENDS > 1
  #error "MRR ESPE currently supports only one hotend. Comment out this line to continue."
#endif

#define BOARD_INFO_NAME      "MRR ESPE"
#define BOARD_WEBSITE_URL    "github.com/maplerainresearch/MRR_ESPE"
#define DEFAULT_MACHINE_NAME BOARD_INFO_NAME

//
// Limit Switches
//
#define X_STOP_PIN         35
#define Y_STOP_PIN         32
#define Z_STOP_PIN         33

//
// Enable I2S stepper stream
//
#undef I2S_STEPPER_STREAM
#define I2S_STEPPER_STREAM

#undef LIN_ADVANCE  // Currently, I2S stream does not work with linear advance

#define I2S_WS             26
#define I2S_BCK            25
#define I2S_DATA           27

//
// Steppers
//
#define X_STEP_PIN        129
#define X_DIR_PIN         130
#define X_ENABLE_PIN      128
//#define X_CS_PIN           21

#define Y_STEP_PIN        132
#define Y_DIR_PIN         133
#define Y_ENABLE_PIN      131
//#define Y_CS_PIN           22

#define Z_STEP_PIN        135
#define Z_DIR_PIN         136
#define Z_ENABLE_PIN      134
//#define Z_CS_PIN            5 // SS_PIN

#define E0_STEP_PIN       138
#define E0_DIR_PIN        139
#define E0_ENABLE_PIN     137
//#define E0_CS_PIN          21

#define E1_STEP_PIN       141
#define E1_DIR_PIN        142
#define E1_ENABLE_PIN     140
//#define E1_CS_PIN          22

#define Z2_STEP_PIN       141
#define Z2_DIR_PIN        142
#define Z2_ENABLE_PIN     140
//#define Z2_CS_PIN            5

//
// Temperature Sensors
//
#define TEMP_0_PIN         36   // Analog Input
#define TEMP_1_PIN         34   // Analog Input
#define TEMP_BED_PIN       39   // Analog Input

//
// Heaters / Fans
//
#define HEATER_0_PIN      145 // 2
#define FAN_PIN           146 // 15
#define HEATER_BED_PIN    144 // 4

#define CONTROLLER_FAN_PIN 147
//#define E0_AUTO_FAN_PIN 148 // need to update Configuration_adv.h @section extruder
//#define E1_AUTO_FAN_PIN 149 // need to update Configuration_adv.h @section extruder
#define FAN1_PIN 149

//
// MicroSD card
//
#define MOSI_PIN           23
#define MISO_PIN           19
#define SCK_PIN            18
#define SDSS                5

//////////////////////////
// LCDs and Controllers //
//////////////////////////

#if HAS_GRAPHICAL_LCD

  #define LCD_PINS_RS        13
  #define LCD_PINS_ENABLE    17
  #define LCD_PINS_D4        16

  #if ENABLED(CR10_STOCKDISPLAY)

    #define BEEPER_PIN      151

  #elif ENABLED(REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER)

    #define BEEPER_PIN      151

    //#define LCD_PINS_D5     150
    //#define LCD_PINS_D6     151
    //#define LCD_PINS_D7     153

  #else

    #error "Only CR10_STOCKDISPLAY and REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER are currently supported. Comment out this line to continue."

  #endif

  #define BTN_EN1             0
  #define BTN_EN2            12
  #define BTN_ENC            14

#endif // HAS_GRAPHICAL_LCD