/**
 * Marlin 3D Printer Firmware
 * Copyright (c) 2019 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

/**
 * 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
 */

#ifndef __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_DIR < 0
    #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_DIR < 0
    #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 SCK_PIN            76   // D76 PA27
#define MISO_PIN           74   // D74 PA25
#define 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)

// 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 HAS_SPI_LCD || TOUCH_UI_ULTIPANEL
  #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

  #if ENABLED(ULTIPANEL) || TOUCH_UI_ULTIPANEL
    // 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 // ULTIPANEL || TOUCH_UI_ULTIPANEL
#endif // HAS_SPI_LCD