[2.0.x] Add BOARD_MKS_BASE_15 with digital micro-stepping (#10454)

* Add BOARD_MKS_BASE_15 with digital micro-stepping
* Rename MKS_13 to MKS_GEN_13

Marlin/src/config/examples/delta/Hatchbox_Alpha/Configuration.h

@@ -138,7 +138,7 @@
 // The following define selects which electronics board you have.
 // Please choose the name from boards.h that matches your setup
 #ifndef MOTHERBOARD
-  #define MOTHERBOARD BOARD_MKS_13
+  #define MOTHERBOARD BOARD_MKS_GEN_13
 #endif
 
 // Optional custom name for your RepStrap or other custom machine

Marlin/src/core/boards.h

@@ -58,9 +58,10 @@
 #define BOARD_K8400             79    // Velleman K8400 Controller (derived from 3Drag Controller)
 #define BOARD_BAM_DICE          401   // 2PrintBeta BAM&DICE with STK drivers
 #define BOARD_BAM_DICE_DUE      402   // 2PrintBeta BAM&DICE Due with STK drivers
-#define BOARD_MKS_BASE          40    // MKS BASE 1.0
+#define BOARD_MKS_BASE          40    // MKS BASE v1.0
+#define BOARD_MKS_BASE_15       405   // MKS v1.5 with Allegro A4982 stepper drivers
 #define BOARD_MKS_BASE_HEROIC   41    // MKS BASE 1.0 with Heroic HR4982 stepper drivers
-#define BOARD_MKS_13            47    // MKS v1.3 or 1.4 (maybe higher)
+#define BOARD_MKS_GEN_13        47    // MKS v1.3 or 1.4
 #define BOARD_MKS_GEN_L         53    // MKS GEN L
 #define BOARD_ZRIB_V20          504   // zrib V2.0 control board (Chinese knock off RAMPS replica)
 #define BOARD_FELIX2            37    // Felix 2.0+ Electronics Board (RAMPS like)

Marlin/src/inc/SanityCheck.h

@@ -272,6 +272,11 @@
   #error "FILAMENT_CHANGE_LOAD_LENGTH is now FILAMENT_CHANGE_FAST_LOAD_LENGTH. Please update your configuration."
 #endif
 
+#define BOARD_MKS_13 -47
+#if MB(MKS_13)
+  #error "BOARD_MKS_13 has been renamed BOARD_MKS_GEN_13. Please update your configuration."
+#endif
+
 /**
  * Marlin release, version and default string
  */

Marlin/src/pins/pins.h

@@ -102,14 +102,16 @@
   #include "pins_BAM_DICE_DUE.h"      // ATmega1280, ATmega2560
 #elif MB(MKS_BASE)
   #include "pins_MKS_BASE.h"          // ATmega1280, ATmega2560
+#elif MB(MKS_BASE_15)
+  #include "pins_MKS_BASE_15.h"       // ATmega1280, ATmega2560
 #elif MB(MKS_BASE_HEROIC)
   #include "pins_MKS_BASE_HEROIC.h"   // ATmega1280, ATmega2560
-#elif MB(MKS_13)
-  #include "pins_MKS_13.h"            // ATmega1280, ATmega2560
+#elif MB(MKS_GEN_13)
+  #include "pins_MKS_GEN_13.h"        // ATmega1280, ATmega2560
 #elif MB(MKS_GEN_L)
   #include "pins_MKS_GEN_L.h"         // ATmega1280, ATmega2560
 #elif MB(ZRIB_V20)
-  #include "pins_ZRIB_V20.h"          // ATmega1280, ATmega2560 (MKS_13)
+  #include "pins_ZRIB_V20.h"          // ATmega1280, ATmega2560 (MKS_GEN_13)
 #elif MB(FELIX2)
   #include "pins_FELIX2.h"            // ATmega1280, ATmega2560
 #elif MB(RIGIDBOARD)

Marlin/src/pins/pins_MKS_BASE_15.h

@@ -0,0 +1,41 @@
+/**
+ * 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/>.
+ *
+ */
+
+/**
+ * MKS BASE v1.5 with A4982 stepper drivers and digital micro-stepping
+ */
+
+#include "pins_MKS_BASE.h"
+
+/**
+ * Microstepping pins
+ */
+#define X_MS1_PIN            5   // Digital 3  / Pin 5   / PE3  / SERVO2_PIN
+#define X_MS2_PIN            6   // Digital 6  / Pin 14  / PH3  / SERVO1_PIN
+#define Y_MS1_PIN           59   // Analog 5   / Pin 92  / PF5
+#define Y_MS2_PIN           58   // Analog 4   / Pin 93  / PF4
+#define Z_MS1_PIN           22   // Digital 22 / Pin 78  / PA0
+#define Z_MS2_PIN           39   // Digital 39 / Pin 70  / PG2
+#define E0_MS1_PIN          63   // Analog 9   / Pin 86  / PK1
+#define E0_MS2_PIN          64   // Analog 10  / Pin 87  / PK2
+#define E1_MS1_PIN          57   // Analog 3   / Pin 93  / PF3
+#define E1_MS2_PIN           4   // Digital 4  / Pin 1   / PG5  / SERVO3_PIN

Marlin/src/pins/pins_MKS_BASE_HEROIC.h

@@ -24,23 +24,12 @@
  * MKS BASE with Heroic HR4982 stepper drivers
  */
 
-#include "pins_MKS_BASE.h"
+#include "pins_MKS_BASE_15.h"
 
 /**
- * Microstepping pins (reverse engineered at V1.4 - due to closed source schematics).
  * Some new boards use HR4982 (Heroic) instead of the A4982 (Allegro) stepper drivers.
- * While most of the functionality is similar, the HR variant obviously doesn't work
- * with diode smoothers (no fast decay). And the Heroic has a 128 µStepping mode where
- * the A4982 is doing quarter steps (MS1=L / MS2=H).
+ * Most the functionality is similar, the HR variant obviously doesn't work with diode
+ * smoothers (no fast decay). And the Heroic has a 128 µStepping mode where the A4982
+ * is doing quarter steps (MS1=0, MS2=1).
  */
 #define HEROIC_STEPPER_DRIVERS
-#define X_MS1_PIN            5   // Digital 3  / Pin 5   / PE3  / SERVO2_PIN
-#define X_MS2_PIN            6   // Digital 6  / Pin 14  / PH3  / SERVO1_PIN
-#define Y_MS1_PIN           59   // Analog 5   / Pin 92  / PF5
-#define Y_MS2_PIN           58   // Analog 4   / Pin 93  / PF4
-#define Z_MS1_PIN           22   // Digital 22 / Pin 78  / PA0
-#define Z_MS2_PIN           39   // Digital 39 / Pin 70  / PG2
-#define E0_MS1_PIN          63   // Analog 9   / Pin 86  / PK1
-#define E0_MS2_PIN          64   // Analog 10  / Pin 87  / PK2
-#define E1_MS1_PIN          57   // Analog 3   / Pin 93  / PF3
-#define E1_MS2_PIN           4   // Digital 4  / Pin 1   / PG5  / SERVO3_PIN

Marlin/src/pins/pins_MKS_13.h → Marlin/src/pins/pins_MKS_GEN_13.h

@@ -23,17 +23,17 @@
 /**
  * Arduino Mega with RAMPS v1.4 adjusted pin assignments
  *
- *  MKS v1.3  (Extruder, Fan, Bed)
- *  MKS v1.3  (Extruder, Extruder, Fan, Bed)
- *  MKS v1.4  (Extruder, Fan, Bed)
- *  MKS v1.4  (Extruder, Extruder, Fan, Bed)
+ *  MKS GEN v1.3  (Extruder, Fan, Bed)
+ *  MKS GEN v1.3  (Extruder, Extruder, Fan, Bed)
+ *  MKS GEN v1.4  (Extruder, Fan, Bed)
+ *  MKS GEN v1.4  (Extruder, Extruder, Fan, Bed)
  */
 
 #if HOTENDS > 2 || E_STEPPERS > 2
-  #error "MKS 1.3/1.4 supports up to 2 hotends / E-steppers. Comment out this line to continue."
+  #error "MKS GEN 1.3/1.4 supports up to 2 hotends / E-steppers. Comment out this line to continue."
 #endif
 
-#define BOARD_NAME "MKS > v1.3"
+#define BOARD_NAME "MKS GEN >= v1.3"
 
 //
 // Heaters / Fans

Marlin/src/pins/pins_ZRIB_V20.h

@@ -36,4 +36,4 @@
   #define FILWIDTH_PIN 11   // Analog Input
 #endif
 
-#include "pins_MKS_13.h"
+#include "pins_MKS_GEN_13.h"