STM32F7 HAL using the official STM32 Arduino Core (#11750)

Marlin/src/pins/pins.h

@@ -404,6 +404,8 @@
 
 #elif MB(THE_BORG)
   #include "pins_THE_BORG.h"          // STM32F7                                    env:STM32F7
+#elif MB(REMRAM_V1)
+  #include "pins_REMRAM_V1.h"         // STM32F7                                    env:STM32F7xx
 
 //
 // Espressif ESP32

Marlin/src/pins/pins_REMRAM_V1.h

@@ -0,0 +1,126 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (C) 2016 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/>.
+ *
+ */
+
+#ifndef STM32F7xx
+  #error "Oops!  Make sure you have an STM32F7 board selected from the 'Tools -> Boards' menu."
+#endif
+
+#define DEFAULT_MACHINE_NAME "RemRam"
+#define BOARD_NAME "RemRam v1"
+
+#define EEPROM_EMULATED_WITH_SRAM // Emulate the EEPROM using Backup SRAM
+
+#if E_STEPPERS > 1 || HOTENDS > 1
+  #error "RemRam supports only one hotend / E-stepper."
+#endif
+
+//
+// Limit Switches
+//
+#if DISABLED(SENSORLESS_HOMING)
+  #define X_MIN_PIN        58
+  #define X_MAX_PIN        59
+  #define Y_MIN_PIN        60
+  #define Y_MAX_PIN        61
+  #define Z_MIN_PIN        62
+  #define Z_MAX_PIN        63
+#else
+  #define X_STOP_PIN       36
+  #define Y_STOP_PIN       39
+  #define Z_MIN_PIN        62
+  #define Z_MAX_PIN        42
+#endif
+
+//
+// Z Probe (when not Z_MIN_PIN)
+//
+#ifndef Z_MIN_PROBE_PIN
+  #define Z_MIN_PROBE_PIN  26   // EXT_D1
+#endif
+
+//
+// Steppers
+//
+#define X_STEP_PIN         22
+#define X_DIR_PIN          35
+#define X_ENABLE_PIN       34
+#define X_CS_PIN           14
+
+#define Y_STEP_PIN         23
+#define Y_DIR_PIN          38
+#define Y_ENABLE_PIN       37
+#define Y_CS_PIN           15
+
+#define Z_STEP_PIN         24
+#define Z_DIR_PIN          41
+#define Z_ENABLE_PIN       40
+#define Z_CS_PIN           16
+
+#define E0_STEP_PIN        25
+#define E0_DIR_PIN         44
+#define E0_ENABLE_PIN      43
+#define E0_CS_PIN          10
+
+//
+// Temperature Sensors
+//
+#define TEMP_0_PIN         65   // THERM_2
+#define TEMP_1_PIN         66   // THERM_3
+#define TEMP_BED_PIN       64   // THERM_1
+
+//
+// Heaters / Fans
+//
+#define HEATER_0_PIN       33
+#define HEATER_BED_PIN     31
+
+#ifndef FAN_PIN
+  #define FAN_PIN          30   // "FAN1"
+#endif
+#define FAN1_PIN           32   // "FAN2"
+
+#define ORIG_E0_AUTO_FAN_PIN 32   // Use this by NOT overriding E0_AUTO_FAN_PIN
+
+//
+// Servos
+//
+#define SERVO0_PIN         26   // PWM_EXT1
+#define SERVO1_PIN         27   // PWM_EXT2
+
+#define SDSS                9
+#define LED_PIN            21   // STATUS_LED
+#define KILL_PIN           57
+
+//
+// LCD / Controller
+//
+#define SD_DETECT_PIN      56   // SD_CARD_DET
+#define BEEPER_PIN         46   // LCD_BEEPER
+#define LCD_PINS_RS        49   // LCD_RS
+#define LCD_PINS_ENABLE    48   // LCD_EN
+#define LCD_PINS_D4        50   // LCD_D4
+#define LCD_PINS_D5        51   // LCD_D5
+#define LCD_PINS_D6        52   // LCD_D6
+#define LCD_PINS_D7        53   // LCD_D7
+#define BTN_EN1            54   // BTN_EN1
+#define BTN_EN2            55   // BTN_EN2
+#define BTN_ENC            47   // BTN_ENC