add pxmalion core i3 board

Marlin/src/core/boards.h

@@ -116,6 +116,7 @@
 #define BOARD_LONGER3D_LK1_PRO        1160  // Longer LK1 PRO / Alfawise U20 Pro (PRO version)
 #define BOARD_LONGER3D_LKx_PRO        1161  // Longer LKx PRO / Alfawise Uxx Pro (PRO version)
 #define BOARD_ZRIB_V53                1162  // Zonestar zrib V5.3 (Chinese RAMPS replica)
+#define BOARD_PXMALION_CORE_I3        1163  // Pxmalion Core I3
 
 //
 // RAMBo and derivatives

Marlin/src/pins/pins.h

@@ -201,6 +201,8 @@
   #include "ramps/pins_RAMPS_S_12.h"            // ATmega2560                             env:mega2560
 #elif MB(LONGER3D_LK1_PRO, LONGER3D_LKx_PRO)
   #include "ramps/pins_LONGER3D_LKx_PRO.h"      // ATmega2560                             env:mega2560
+#elif MB(PXMALION_CORE_I3)
+  #include "ramps/pins_PXMALION_CORE_I3.h"      // ATmega2560                             env:mega2560
 
 //
 // RAMBo and derivatives

Marlin/src/pins/ramps/pins_PXMALION_CORE_I3.h

@@ -0,0 +1,86 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2022 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/>.
+ *
+ */
+
+/**
+ * Pxmalion Core i3 - https://github.com/Pxmalion
+ */
+
+#include "env_validate.h"
+
+#ifndef BOARD_INFO_NAME
+  #define BOARD_INFO_NAME "Core i3"
+#endif
+
+//
+// Servos
+//
+#define SERVO0_PIN                            51
+#define SERVO1_PIN                            -1
+#define SERVO2_PIN                            -1
+#define SERVO3_PIN                            -1
+
+//
+// Limit Switches
+//
+#define X_STOP_PIN                             3
+#define Y_STOP_PIN                             2
+#define Z_MIN_PIN                             19
+#define Z_MAX_PIN                             18
+
+// TODO: Filament Runout Sensor
+#ifndef FIL_RUNOUT_PIN
+  #define FIL_RUNOUT_PIN                      -1
+#endif
+
+//
+// Steppers
+//
+#define X_CS_PIN                              -1
+#define Y_CS_PIN                              -1
+#define Z_CS_PIN                              -1
+#define E0_CS_PIN                             -1
+#define E1_CS_PIN                             -1
+
+//
+// Heaters / Fans
+//
+#define FET_ORDER_EFB
+#ifndef MOSFET_A_PIN
+  #define MOSFET_A_PIN                         8
+#endif
+#ifndef MOSFET_B_PIN
+  #define MOSFET_B_PIN                         7
+#endif
+#ifndef MOSFET_C_PIN
+  #define MOSFET_C_PIN                         9
+#endif
+
+//
+// Misc. Functions
+//
+#ifndef FILWIDTH_PIN
+  #define FILWIDTH_PIN                        -1  // Analog Input
+#endif
+
+#define PS_ON_PIN                             11
+
+#include "pins_RAMPS.h"