/**
 * 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

/**
 * ARCHIM2 pin assignment
 *
 * The Archim 2.0 board requires Arduino Archim addons installed.
 *
 * - Add the following URL to Arduino IDE's Additional Board Manager URLs:
 *   https://raw.githubusercontent.com/ultimachine/ArduinoAddons/master/package_ultimachine_index.json
 *
 * - In the Arduino IDE Board Manager search for Archim and install the package.
 *
 * - Change your target board to "Archim".
 *
 * Further information on the UltiMachine website...
 *   https://github.com/ultimachine/Archim/wiki
 */

#if NOT_TARGET(__SAM3X8E__)
  #error "Oops! Select 'Archim' in 'Tools > Board.'"
#elif DISABLED(TMC_USE_SW_SPI)
  #error "Archim2 requires Software SPI. Enable TMC_USE_SW_SPI in Configuration_adv.h."
#endif

#define BOARD_INFO_NAME "Archim 2.0"

//
// Items marked * have been altered from Archim v1.0
//

//
// Servos
//
#define SERVO0_PIN                            20  // D20 PB12 (Header J20 20)
#define SERVO1_PIN                            21  // D21 PB13 (Header J20 19)

//
// Limit Switches
//

#if ENABLED(SENSORLESS_HOMING)

  // Only use Diag Pins when SENSORLESS_HOMING is enabled for the TMC2130 drivers.
  // Otherwise use a physical endstop based configuration.

  // TMC2130 Diag Pins
  #define X_DIAG_PIN                          59  // PA4
  #define Y_DIAG_PIN                          48  // PC15
  #define Z_DIAG_PIN                          36  // PC4
  #define E0_DIAG_PIN                         78  // PB23
  #define E1_DIAG_PIN                         25  // PD0

  #if X_HOME_TO_MIN
    #define X_MIN_PIN                 X_DIAG_PIN
    #define X_MAX_PIN                         32
  #else
    #define X_MIN_PIN                         14
    #define X_MAX_PIN                 X_DIAG_PIN
  #endif

  #if Y_HOME_TO_MIN
    #define Y_MIN_PIN                 Y_DIAG_PIN
    #define Y_MAX_PIN                         15
  #else
    #define Y_MIN_PIN                         29
    #define Y_MAX_PIN                 Y_DIAG_PIN
  #endif

#else

  #define X_MIN_PIN                           14  // PD4 MIN ES1
  #define X_MAX_PIN                           32  // PD10 MAX ES1
  #define Y_MIN_PIN                           29  // PD6 MIN ES2
  #define Y_MAX_PIN                           15  // PD5 MAX ES2

#endif

#define Z_MIN_PIN                             31  // PA7 MIN ES3
#define Z_MAX_PIN                             30  // PD9 MAX ES3

//
// Z Probe (when not Z_MIN_PIN)
//
#ifndef Z_MIN_PROBE_PIN
  #define Z_MIN_PROBE_PIN                     32
#endif

//
// Steppers
//
#define X_STEP_PIN                            38  // PC6 X-STEP *
#define X_DIR_PIN                             37  // PC5 X-DIR *
#define X_ENABLE_PIN                          41  // PC9 EN1
#ifndef X_CS_PIN
  #define X_CS_PIN                            39  // PC7 X_nCS
#endif

#define Y_STEP_PIN                            51  // PC12 Y-STEP *
#define Y_DIR_PIN                             92  // PC11 Y-DIR -AddOns *
#define Y_ENABLE_PIN                          49  // PC14 Y-EN *
#ifndef Y_CS_PIN
  #define Y_CS_PIN                            50  // PC13 Y_nCS
#endif

#define Z_STEP_PIN                            46  // PC17 Z-STEP *
#define Z_DIR_PIN                             47  // PC16 Z-DIR *
#define Z_ENABLE_PIN                          44  // PC19 Z-END *
#ifndef Z_CS_PIN
  #define Z_CS_PIN                            45  // PC18 Z_nCS
#endif

#define E0_STEP_PIN                          107  // PB10 E1-STEP -AddOns *
#define E0_DIR_PIN                            96  // PC10 E1-DIR -AddOns *
#define E0_ENABLE_PIN                        105  // PB22 E1-EN -AddOns *
#ifndef E0_CS_PIN
  #define E0_CS_PIN                          104  // PC20 E1_nCS -AddOns *
#endif

#define E1_STEP_PIN                           22  // PB26 E2_STEP *
#define E1_DIR_PIN                            97  // PB24 E2_DIR -AddOns *
#define E1_ENABLE_PIN                         18  // PA11 E2-EN
#ifndef E1_CS_PIN
  #define E1_CS_PIN                           19  // PA10 E2_nCS
#endif

//
// Software SPI pins for TMC2130 stepper drivers.
// Required for the Archim2 board.
//
#if ENABLED(TMC_USE_SW_SPI)
  #ifndef TMC_SW_MOSI
    #define TMC_SW_MOSI                       28  // PD3
  #endif
  #ifndef TMC_SW_MISO
    #define TMC_SW_MISO                       26  // PD1
  #endif
  #ifndef TMC_SW_SCK
    #define TMC_SW_SCK                        27  // PD2
  #endif
#endif

//
// Temperature Sensors
//
#define TEMP_0_PIN                            10  // D10 PB19 THERM AN1 *
#define TEMP_1_PIN                             9  // D9 PB18 THERM AN2 *
#define TEMP_2_PIN                             8  // D8 PB17 THERM AN4 *
#define TEMP_BED_PIN                          11  // D11 PB20 THERM AN3 *

//
// Heaters / Fans
//
#define HEATER_0_PIN                           6  // D6 PC24 FET_PWM3
#define HEATER_1_PIN                           7  // D7 PC23 FET_PWM4
#define HEATER_2_PIN                           8  // D8 PC22 FET_PWM5
#define HEATER_BED_PIN                         9  // D9 PC21 BED_PWM

#ifndef FAN_PIN
  #define FAN_PIN                              4  // D4 PC26 FET_PWM1
#endif
#define FAN1_PIN                               5  // D5 PC25 FET_PWM2

//
// Misc. Functions
//

// Internal MicroSD card reader on the PCB
#define INT_SCK_PIN                           42  // D42 PA19/MCCK
#define INT_MISO_PIN                          43  // D43 PA20/MCCDA
#define INT_MOSI_PIN                          73  // D73 PA21/MCDA0
#define INT_SDSS                              55  // D55 PA24/MCDA3

// External SD card reader on SC2
#define SD_SCK_PIN                            76  // D76 PA27
#define SD_MISO_PIN                           74  // D74 PA25
#define SD_MOSI_PIN                           75  // D75 PA26
#define SDSS                                  87  // D87 PA29

// Unused Digital GPIO J20 Pins
#define GPIO_PB1_J20_5                        94  // D94 PB1 (Header J20 5)
#define GPIO_PB0_J20_6                        95  // D95 PB0 (Header J20 6)
#define GPIO_PB3_J20_7                       103  // D103 PB3 (Header J20 7)
#define GPIO_PB2_J20_8                        93  // D93 PB2 (Header J20 8)
#define GPIO_PB6_J20_9                        99  // D99 PB6 (Header J20 9)
#define GPIO_PB5_J20_10                      101  // D101 PB5 (Header J20 10)
#define GPIO_PB8_J20_11                      100  // D100 PB8 (Header J20 11)
#define GPIO_PB4_J20_12                      102  // D102 PB4 (Header J20 12)
#define GPIO_PB9_J20_13                      108  // D108 PB9 (Header J20 13)
#define GPIO_PB7_J20_14                       98  // D98 PB7 (Header J20 14)
#define GPIO_PB15_J20_15                      66  // D66 PB15 (Header J20 15)
#define GPIO_PB16_J20_16                      67  // D67 PB16 (Header J20 16)
#define GPIO_PB14_J20_17                      53  // D53 PB14 (Header J20 17)
#define GPIO_PA18_J20_21                      71  // D71 PA17 (Header J20 21)
#define GPIO_PA17_J20_22                      70  // D70 PA17 (Header J20 22)

// Case Light

#ifndef CASE_LIGHT_PIN
  #define CASE_LIGHT_PIN          GPIO_PB1_J20_5
#endif

// 2MB SPI Flash
#define SPI_FLASH_SS                          52  // D52 PB21

//
// Filament Runout Sensor
//

#ifndef FIL_RUNOUT_PIN
  #define FIL_RUNOUT_PIN        GPIO_PB15_J20_15
#endif
#ifndef FIL_RUNOUT2_PIN
  #define FIL_RUNOUT2_PIN       GPIO_PB16_J20_16
#endif

//
// LCD / Controller
//
#if ANY(HAS_WIRED_LCD, TOUCH_UI_ULTIPANEL, TOUCH_UI_FTDI_EVE)
  #define BEEPER_PIN                          23  // D24 PA15_CTS1
  #define LCD_PINS_RS                         17  // D17 PA12_RXD1
  #define LCD_PINS_ENABLE                     24  // D23 PA14_RTS1
  #define LCD_PINS_D4                         69  // D69 PA0_CANTX0
  #define LCD_PINS_D5                         54  // D54 PA16_SCK1
  #define LCD_PINS_D6                         68  // D68 PA1_CANRX0
  #define LCD_PINS_D7                         34  // D34 PC2_PWML0

  #define SD_DETECT_PIN                        2  // D2  PB25_TIOA0
#endif

#if ANY(IS_ULTIPANEL, TOUCH_UI_ULTIPANEL, TOUCH_UI_FTDI_EVE)
  // Buttons on AUX-2
  #define BTN_EN1                             60  // D60 PA3_TIOB1
  #define BTN_EN2                             13  // D13 PB27_TIOB0
  #define BTN_ENC                             16  // D16 PA13_TXD1 // the click
#endif
