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+/**
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+ * Marlin 3D Printer Firmware
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+ * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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+ *
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+ * Based on Sprinter and grbl.
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+ * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
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+ *
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+ * This program is free software: you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License as published by
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+ * the Free Software Foundation, either version 3 of the License, or
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+ * (at your option) any later version.
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+ *
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+ * This program is distributed in the hope that it will be useful,
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+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+ * GNU General Public License for more details.
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+ *
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+ * You should have received a copy of the GNU General Public License
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+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
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+ *
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+ */
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+
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+/**
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+ * Arduino Mega with RAMPS v1.4Plus, also known as 3DYMY version, pin assignments
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+ * The differences to the RAMPS v1.4 are:
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+ * - Swap heater E0 with E1
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+ * - Swap pins 8 and 10. Bed/Fan/Hotend as labeled on the board are on pins 8/9/10.
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+ * - Change pins 16->42, 17->44 and 29->53 used for display.
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+ *
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+ * Applies to the following boards:
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+ *
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+ * RAMPS_PLUS_EFB (Extruder, Fan, Bed)
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+ * RAMPS_PLUS_EEB (Extruder, Extruder, Bed)
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+ * RAMPS_PLUS_EFF (Extruder, Fan, Fan)
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+ * RAMPS_PLUS_EEF (Extruder, Extruder, Fan)
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+ * RAMPS_PLUS_SF (Spindle, Controller Fan)
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+ *
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+ */
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+
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+#if !defined(__AVR_ATmega1280__) && !defined(__AVR_ATmega2560__)
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+ #error "Oops! Make sure you have 'Arduino Mega' selected from the 'Tools -> Boards' menu."
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+#endif
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+
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+#ifndef BOARD_NAME
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+ #define BOARD_NAME "RAMPS 1.4 Plus"
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+#endif
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+
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+#define RAMPS_D8_PIN 10
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+#define RAMPS_D10_PIN 8
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+
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+#include "pins_RAMPS.h"
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+
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+//
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+// Steppers - Swap E0 / E1 on 3DYMY
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+//
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+#undef E0_STEP_PIN
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+#undef E0_DIR_PIN
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+#undef E0_ENABLE_PIN
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+
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+#undef E1_STEP_PIN
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+#undef E1_DIR_PIN
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+#undef E1_ENABLE_PIN
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+
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+#define E0_STEP_PIN 36
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+#define E0_DIR_PIN 34
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+#define E0_ENABLE_PIN 30
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+
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+#define E1_STEP_PIN 26
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+#define E1_DIR_PIN 28
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+#define E1_ENABLE_PIN 24
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+
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+#undef X_CS_PIN
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+#undef Y_CS_PIN
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+#undef Z_CS_PIN
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+#undef E0_CS_PIN
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+#undef E1_CS_PIN
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+
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+#if ENABLED(ULTRA_LCD) && DISABLED(REPRAPWORLD_GRAPHICAL_LCD) && (DISABLED(NEWPANEL) || DISABLED(PANEL_ONE)) && DISABLED(CR10_STOCKDISPLAY)
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+ #if DISABLED(MKS_12864OLED)
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+ #undef LCD_PINS_RS
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+ #define LCD_PINS_RS 42 // 3DYMY boards pin 16 -> 42
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+ #undef LCD_PINS_ENABLE
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+ #define LCD_PINS_ENABLE 44 // 3DYMY boards pin 17 -> 44
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+ #endif
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+ #undef LCD_PINS_D7
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+ #define LCD_PINS_D7 53 // 3DYMY boards pin 29 -> 53
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+#endif
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