✨ eMotion-Tech eMotronic (Micro-Delta rework) (MarlinFirmware#24488)

Marlin/src/core/boards.h

@@ -238,6 +238,7 @@
 #define BOARD_BTT_SKR_V1_1            2012  // BigTreeTech SKR v1.1
 #define BOARD_BTT_SKR_V1_3            2013  // BigTreeTech SKR v1.3
 #define BOARD_BTT_SKR_V1_4            2014  // BigTreeTech SKR v1.4
+#define BOARD_EMOTRONIC               2015  // eMotion-Tech eMotronic
 
 //
 // LPC1769 ARM Cortex M3

Marlin/src/inc/Conditionals_post.h

@@ -471,6 +471,8 @@
 #elif ENABLED(ZONESTAR_12864OLED)
   #define _LCD_CONTRAST_MIN   64
   #define _LCD_CONTRAST_INIT 128
+#elif ENABLED(EMOTION_TECH_LCD)
+  #define _LCD_CONTRAST_INIT 140
 #elif IS_TFTGLCD_PANEL
   #define _LCD_CONTRAST_INIT 250
 #endif

Marlin/src/pins/lpc1768/pins_EMOTRONIC.h

@@ -0,0 +1,151 @@
+/**
+ * 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/>.
+ *
+ */
+#pragma once
+
+/**
+ * eMotion-Tech eMotronic pin assignments
+ *
+ * Board pins<->features assignments are based on the
+ * Micro-Delta Rework printer default connections.
+ */
+
+#include "env_validate.h"
+
+#define BOARD_INFO_NAME   "eMotronic"
+#define BOARD_WEBSITE_URL "www.reprap-france.com/article/lemotronic-quesaco"
+
+//
+// Limit Switches
+//
+#define X_STOP_PIN                         P1_22  // S0
+#define Y_STOP_PIN                         P1_23  // S1
+#define Z_STOP_PIN                         P1_24  // S2
+#define I_STOP_PIN                         P1_25  // S3
+
+#ifndef Z_MIN_PROBE_PIN
+  #define Z_MIN_PROBE_PIN                  P0_26  // S4 (opto)
+#endif
+
+//
+// Steppers
+//
+#define X_STEP_PIN                         P2_02  // M3
+#define X_DIR_PIN                          P4_28
+#define X_ENABLE_PIN                       P4_29
+
+#define Y_STEP_PIN                         P2_01  // M2
+#define Y_DIR_PIN                          P0_22
+#define Y_ENABLE_PIN                       P0_21
+
+#define Z_STEP_PIN                         P2_00  // M1
+#define Z_DIR_PIN                          P3_26
+#define Z_ENABLE_PIN                       P3_25
+
+#define E0_STEP_PIN                        P2_03  // M4
+#define E0_DIR_PIN                         P0_04
+#define E0_ENABLE_PIN                      P0_05  // Correct!
+
+#define E1_STEP_PIN                        P2_08  // M5
+#define E1_DIR_PIN                         P0_20
+#define E1_ENABLE_PIN                      P0_19
+
+//
+// Temperature Sensors
+// 3.3V max when defined as an analog input
+//
+#define TEMP_0_PIN                      P0_24_A1  // A1 (TH1)
+#define TEMP_1_PIN                      P0_23_A0  // A0 (TH0)
+#define TEMP_BED_PIN                    P0_25_A2  // A2 (TH2)
+
+//
+// Heaters / Fans
+//
+#define _H0_PIN                            P2_04  // (H0: 15A)
+
+#define HEATER_BED_PIN                     P2_05  // (H1: 10A shared)
+#define HEATER_0_PIN                       P2_06  // (H2: 10A shared)
+#define HEATER_1_PIN                       P2_07  // (H3: 10A shared)
+
+#define FAN_PIN                            P2_11  // (FAN0: 1A)
+#define FAN1_PIN                           P2_13  // (FAN1: 1A)
+
+//
+// Extension ports
+//
+// warning: pins are backward numbered w.r.t. to the
+// schematics, e.g. EXP1_01 / EXP1_02 are X1-10 / X1-9.
+#define EXP1_01_PIN                        P0_28  // SCL0
+#define EXP1_02_PIN                        P0_27  // SDA0
+#define EXP1_03_PIN                        P0_16  // SSEL0
+#define EXP1_04_PIN                        P0_15  // SCK0
+#define EXP1_05_PIN                        P0_18  // MOSI0
+#define EXP1_06_PIN                        P0_17  // MISO0
+#define EXP1_07_PIN                        P1_31
+#define EXP1_08_PIN                        P1_30
+#define EXP1_09_PIN                        P0_02  // TX0
+#define EXP1_10_PIN                        P0_03  // RX0
+
+#define EXP2_03_PIN                        P1_27
+#define EXP2_04_PIN                        P1_26
+#define EXP2_05_PIN                        P1_29
+#define EXP2_06_PIN                        P1_28
+#define EXP2_07_PIN                        P0_01  // SCL1
+#define EXP2_08_PIN                        P0_00  // SDA1
+#define EXP2_09_PIN                        P0_11
+#define EXP2_10_PIN                        P0_10
+
+//
+// SD Support
+//
+#ifndef SDCARD_CONNECTION
+  #define SDCARD_CONNECTION              ONBOARD
+#endif
+
+#if SD_CONNECTION_IS(ONBOARD)
+  #define SD_SCK_PIN                       P0_07
+  #define SD_MISO_PIN                      P0_08
+  #define SD_MOSI_PIN                      P0_09
+  #define SD_SS_PIN                        P0_06
+#elif SD_CONNECTION_IS(LCD)
+  #define SD_SCK_PIN                 EXP1_04_PIN
+  #define SD_MISO_PIN                EXP1_06_PIN
+  #define SD_MOSI_PIN                EXP1_05_PIN
+  #define SD_SS_PIN                  EXP1_03_PIN
+  #define SD_DETECT_PIN              EXP1_07_PIN
+#elif SD_CONNECTION_IS(CUSTOM_CABLE)
+  #error "No custom SD drive cable defined for this board."
+#endif
+
+//
+// LCD / Controller
+//
+#if ENABLED(EMOTION_TECH_LCD)
+  #define BEEPER_PIN                 EXP2_10_PIN
+  #define DOGLCD_A0                  EXP2_05_PIN
+  #define DOGLCD_CS                  EXP2_07_PIN
+  #define DOGLCD_SCK                 EXP1_04_PIN
+  #define DOGLCD_MOSI                EXP1_05_PIN
+
+  #define BTN_EN1                    EXP2_04_PIN
+  #define BTN_EN2                    EXP2_06_PIN
+  #define BTN_ENC                    EXP2_09_PIN
+#endif

Marlin/src/pins/pins.h

@@ -402,6 +402,8 @@
   #include "lpc1768/pins_BTT_SKR_V1_3.h"        // LPC1768                                env:LPC1768
 #elif MB(BTT_SKR_V1_4)
   #include "lpc1768/pins_BTT_SKR_V1_4.h"        // LPC1768                                env:LPC1768
+#elif MB(EMOTRONIC)
+  #include "lpc1768/pins_EMOTRONIC.h"           // LPC1768                                env:LPC1768
 
 //
 // LPC1769 ARM Cortex M3