Support for E4d@BOX mainboard (#16716)

Marlin/src/core/boards.h

@@ -332,9 +332,10 @@
 //
 // Espressif ESP32 WiFi
 //
-#define BOARD_ESPRESSIF_ESP32         6000
+#define BOARD_ESPRESSIF_ESP32         6000  // Generic ESP32
 #define BOARD_MRR_ESPA                6001
 #define BOARD_MRR_ESPE                6002
+#define BOARD_E4D_BOX                 6003  // E4d@BOX
 
 //
 // Simulations

Marlin/src/pins/esp32/pins_E4D.h

@@ -0,0 +1,90 @@
+/**
+ * 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
+
+/**
+ * E4d@Box  pin assignments
+ * E4d@Box is a small factor 3D printer control board based on the ESP32 microcontroller for Laser, CNC and 3d printers
+ * for more info check http://atbox.tech/ and join to Facebook page E4d@box.
+ */
+
+#ifndef ARDUINO_ARCH_ESP32
+  #error "Oops! Select an ESP32 board in 'Tools > Board.'"
+#elif EXTRUDERS > 1 || E_STEPPERS > 1
+  #error "E4d@box only supports one E Stepper. Comment out this line to continue."
+#elif HOTENDS > 2
+  #error "E4d@box currently supports only one hotend. Comment out this line to continue."
+#endif
+
+#define BOARD_INFO_NAME       "E4D@BOX"
+#define BOARD_WEBSITE_URL     "github.com/Exilaus/E4d@box"
+#define DEFAULT_MACHINE_NAME  BOARD_INFO_NAME
+
+//
+// Limit Switches
+//
+#define X_MIN_PIN          34
+#define Y_MIN_PIN          35
+#define Z_MIN_PIN          16   // 15
+
+//
+// Steppers
+//
+#define X_STEP_PIN         12   // 34//27
+#define X_DIR_PIN          13   // 35//26
+#define X_ENABLE_PIN       17   // 0//17//25 // used free pin
+//#define X_CS_PIN            0
+
+#define Y_STEP_PIN         32   // 33
+#define Y_DIR_PIN          33   // 32
+#define Y_ENABLE_PIN       X_ENABLE_PIN
+//#define Y_CS_PIN           13
+
+#define Z_STEP_PIN         25   // 14
+#define Z_DIR_PIN          26   // 12
+#define Z_ENABLE_PIN       X_ENABLE_PIN
+//#define Z_CS_PIN            5   // SS_PIN
+
+#define E0_STEP_PIN        27   // 16
+#define E0_DIR_PIN         14   // 17
+#define E0_ENABLE_PIN      X_ENABLE_PIN
+//#define E0_CS_PIN          21
+
+//
+// Temperature Sensors
+//
+#define TEMP_0_PIN         36   // Analog Input
+#define TEMP_BED_PIN       39   // Analog Input
+
+//
+// Heaters / Fans
+//
+#define HEATER_0_PIN        2   // 4//2//(D8)
+#define FAN_PIN             0   // 2//15//13 (D9)
+#define HEATER_BED_PIN     15   // 15//0 //(D10)
+
+// SPI
+#define SDSS                 5
+#define I2S_STEPPER_STREAM
+#define I2S_WS              23
+#define I2S_BCK             22
+#define I2S_DATA            21

Marlin/src/pins/pins.h

@@ -571,6 +571,8 @@
   #include "esp32/pins_MRR_ESPA.h"              // ESP32                                  env:esp32
 #elif MB(MRR_ESPE)
   #include "esp32/pins_MRR_ESPE.h"              // ESP32                                  env:esp32
+#elif MB(E4D_BOX)
+  #include "esp32/pins_E4D.h"                   // ESP32                                  env:esp32
 
 //
 // Linux Native Debug board