Clean up Melzi LCD timing defaults (#18187)

Co-authored-by: Scott Lahteine <thinkyhead@users.noreply.github.com>

Marlin/Makefile

@@ -361,34 +361,38 @@ else ifeq ($(HARDWARE_MOTHERBOARD),1501)
 else ifeq ($(HARDWARE_MOTHERBOARD),1502)
   HARDWARE_VARIANT ?= Sanguino
   MCU              ?= atmega644p
-# Melzi with ATmega1284 (MaKr3d version)
+# Melzi V2.0
 else ifeq ($(HARDWARE_MOTHERBOARD),1503)
   HARDWARE_VARIANT ?= Sanguino
   MCU              ?= atmega1284p
-# Melzi Creality3D board (for CR-10 etc)
+# Melzi with ATmega1284 (MaKr3d version)
 else ifeq ($(HARDWARE_MOTHERBOARD),1504)
   HARDWARE_VARIANT ?= Sanguino
   MCU              ?= atmega1284p
-# Melzi Malyan M150 board
+# Melzi Creality3D board (for CR-10 etc)
 else ifeq ($(HARDWARE_MOTHERBOARD),1505)
   HARDWARE_VARIANT ?= Sanguino
   MCU              ?= atmega1284p
-# Tronxy X5S
+# Melzi Malyan M150 board
 else ifeq ($(HARDWARE_MOTHERBOARD),1506)
   HARDWARE_VARIANT ?= Sanguino
   MCU              ?= atmega1284p
-# STB V1.1
+# Tronxy X5S
 else ifeq ($(HARDWARE_MOTHERBOARD),1507)
   HARDWARE_VARIANT ?= Sanguino
   MCU              ?= atmega1284p
-# Azteeg X1
+# STB V1.1
 else ifeq ($(HARDWARE_MOTHERBOARD),1508)
   HARDWARE_VARIANT ?= Sanguino
   MCU              ?= atmega1284p
-# Anet 1.0 (Melzi clone)
+# Azteeg X1
 else ifeq ($(HARDWARE_MOTHERBOARD),1509)
   HARDWARE_VARIANT ?= Sanguino
   MCU              ?= atmega1284p
+# Anet 1.0 (Melzi clone)
+else ifeq ($(HARDWARE_MOTHERBOARD),1510)
+  HARDWARE_VARIANT ?= Sanguino
+  MCU              ?= atmega1284p
 
 #
 # Other ATmega644P, ATmega644, ATmega1284P

Marlin/src/core/boards.h

@@ -162,13 +162,14 @@
 #define BOARD_SANGUINOLOLU_11         1500  // Sanguinololu < 1.2
 #define BOARD_SANGUINOLOLU_12         1501  // Sanguinololu 1.2 and above
 #define BOARD_MELZI                   1502  // Melzi
-#define BOARD_MELZI_MAKR3D            1503  // Melzi with ATmega1284 (MaKr3d version)
-#define BOARD_MELZI_CREALITY          1504  // Melzi Creality3D board (for CR-10 etc)
-#define BOARD_MELZI_MALYAN            1505  // Melzi Malyan M150 board
-#define BOARD_MELZI_TRONXY            1506  // Tronxy X5S
-#define BOARD_STB_11                  1507  // STB V1.1
-#define BOARD_AZTEEG_X1               1508  // Azteeg X1
-#define BOARD_ANET_10                 1509  // Anet 1.0 (Melzi clone)
+#define BOARD_MELZI_V2                1503  // Melzi V2
+#define BOARD_MELZI_MAKR3D            1504  // Melzi with ATmega1284 (MaKr3d version)
+#define BOARD_MELZI_CREALITY          1505  // Melzi Creality3D board (for CR-10 etc)
+#define BOARD_MELZI_MALYAN            1506  // Melzi Malyan M150 board
+#define BOARD_MELZI_TRONXY            1507  // Tronxy X5S
+#define BOARD_STB_11                  1508  // STB V1.1
+#define BOARD_AZTEEG_X1               1509  // Azteeg X1
+#define BOARD_ANET_10                 1510  // Anet 1.0 (Melzi clone)
 
 //
 // Other ATmega644P, ATmega644, ATmega1284P
@@ -365,4 +366,4 @@
 #define _MB_1(B)  (defined(BOARD_##B) && MOTHERBOARD==BOARD_##B)
 #define MB(V...)  DO(MB,||,V)
 
-#define IS_MELZI MB(MELZI, MELZI_CREALITY, MELZI_MAKR3D, MELZI_MALYAN, MELZI_TRONXY)
+#define IS_MELZI MB(MELZI, MELZI_CREALITY, MELZI_MAKR3D, MELZI_MALYAN, MELZI_TRONXY, MELZI_V2)

Marlin/src/pins/pins.h

@@ -284,6 +284,8 @@
   #include "sanguino/pins_SANGUINOLOLU_12.h"    // ATmega644P, ATmega1284P                env:sanguino644p env:sanguino1284p
 #elif MB(MELZI)
   #include "sanguino/pins_MELZI.h"              // ATmega644P, ATmega1284P                env:sanguino644p env:sanguino1284p
+#elif MB(MELZI_V2)
+  #include "sanguino/pins_MELZI_V2.h"           // ATmega644P, ATmega1284P                env:sanguino644p env:sanguino1284p
 #elif MB(MELZI_MAKR3D)
   #include "sanguino/pins_MELZI_MAKR3D.h"       // ATmega644P, ATmega1284P                env:sanguino644p env:sanguino1284p
 #elif MB(MELZI_CREALITY)

Marlin/src/pins/sanguino/pins_MELZI_CREALITY.h

@@ -33,6 +33,13 @@
 
 #define BOARD_INFO_NAME "Melzi (Creality)"
 
+// Alter timing for graphical display
+#if HAS_GRAPHICAL_LCD
+  #define BOARD_ST7920_DELAY_1 DELAY_NS(125)
+  #define BOARD_ST7920_DELAY_2 DELAY_NS(125)
+  #define BOARD_ST7920_DELAY_3 DELAY_NS(125)
+#endif
+
 #include "pins_MELZI.h"
 
 //
@@ -58,13 +65,6 @@
   #undef BEEPER_PIN
 #endif
 
-// Alter timing for graphical display
-#if HAS_GRAPHICAL_LCD
-  #define BOARD_ST7920_DELAY_1 DELAY_NS(125)
-  #define BOARD_ST7920_DELAY_2 DELAY_NS(125)
-  #define BOARD_ST7920_DELAY_3 DELAY_NS(125)
-#endif
-
 #if ENABLED(MINIPANEL)
   #undef DOGLCD_CS
   #define DOGLCD_CS LCD_PINS_RS

Marlin/src/pins/sanguino/pins_MELZI_MALYAN.h

@@ -26,6 +26,14 @@
  */
 
 #define BOARD_INFO_NAME "Melzi (Malyan)"
+
+// Alter timing for graphical display
+#if HAS_GRAPHICAL_LCD
+  #define BOARD_ST7920_DELAY_1 DELAY_NS(125)
+  #define BOARD_ST7920_DELAY_2 DELAY_NS(125)
+  #define BOARD_ST7920_DELAY_3 DELAY_NS(125)
+#endif
+
 #include "pins_MELZI.h"
 
 #undef LCD_SDSS
@@ -42,10 +50,3 @@
 #define BTN_EN1                              30
 #define BTN_EN2                              29
 #define BTN_ENC                              28
-
-// Alter timing for graphical display
-#if HAS_GRAPHICAL_LCD
-  #define BOARD_ST7920_DELAY_1 DELAY_NS(125)
-  #define BOARD_ST7920_DELAY_2 DELAY_NS(125)
-  #define BOARD_ST7920_DELAY_3 DELAY_NS(125)
-#endif

Marlin/src/pins/sanguino/pins_MELZI_TRONXY.h

@@ -26,6 +26,13 @@
  */
 
 #define BOARD_INFO_NAME "Melzi (Tronxy)"
+
+#if HAS_GRAPHICAL_LCD
+  #define BOARD_ST7920_DELAY_1 DELAY_NS(0)
+  #define BOARD_ST7920_DELAY_2 DELAY_NS(125)
+  #define BOARD_ST7920_DELAY_3 DELAY_NS(0)
+#endif
+
 #include "pins_MELZI.h"
 
 #undef Z_ENABLE_PIN
@@ -50,9 +57,3 @@
 #define BTN_EN1                               10
 #define BTN_EN2                               11
 #define BTN_ENC                               26
-
-#if HAS_GRAPHICAL_LCD
-  #define BOARD_ST7920_DELAY_1 DELAY_NS(0)
-  #define BOARD_ST7920_DELAY_2 DELAY_NS(125)
-  #define BOARD_ST7920_DELAY_3 DELAY_NS(0)
-#endif

Marlin/src/pins/sanguino/pins_MELZI_V2.h

@@ -0,0 +1,33 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * 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
+
+/**
+ * Melzi V2.0 as found at https://www.reprap.org/wiki/Melzi
+ */
+
+#define BOARD_INFO_NAME "Melzi V2"
+
+#if ENABLED(REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER)
+  #define BOARD_ST7920_DELAY_1 DELAY_NS(0)
+  #define BOARD_ST7920_DELAY_2 DELAY_NS(188)
+  #define BOARD_ST7920_DELAY_3 DELAY_NS(0)
+#endif
+
+#include "pins_MELZI.h"

Marlin/src/pins/sanguino/pins_SANGUINOLOLU_11.h

@@ -166,9 +166,15 @@
       #define LCD_PINS_ENABLE                 16
       #define LCD_PINS_D4                     11
 
-      #define BOARD_ST7920_DELAY_1 DELAY_NS(0)
-      #define BOARD_ST7920_DELAY_2 DELAY_NS(188)
-      #define BOARD_ST7920_DELAY_3 DELAY_NS(0)
+      #ifndef BOARD_ST7920_DELAY_1
+        #define BOARD_ST7920_DELAY_1 DELAY_NS(0)
+      #endif
+      #ifndef BOARD_ST7920_DELAY_2
+        #define BOARD_ST7920_DELAY_2 DELAY_NS(188)
+      #endif
+      #ifndef BOARD_ST7920_DELAY_3
+        #define BOARD_ST7920_DELAY_3 DELAY_NS(0)
+      #endif
 
     #elif ENABLED(U8GLIB_ST7920)                  // SPI GLCD 12864 ST7920 ( like [www.digole.com] ) For Melzi V2.0
 
@@ -182,9 +188,15 @@
         #define BEEPER_PIN                    27
 
         #if ENABLED(REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER)
-          #define BOARD_ST7920_DELAY_1 DELAY_NS(0)
-          #define BOARD_ST7920_DELAY_2 DELAY_NS(188)
-          #define BOARD_ST7920_DELAY_3 DELAY_NS(0)
+          #ifndef BOARD_ST7920_DELAY_1
+            #define BOARD_ST7920_DELAY_1 DELAY_NS(0)
+          #endif
+          #ifndef BOARD_ST7920_DELAY_2
+            #define BOARD_ST7920_DELAY_2 DELAY_NS(188)
+          #endif
+          #ifndef BOARD_ST7920_DELAY_3
+            #define BOARD_ST7920_DELAY_3 DELAY_NS(0)
+          #endif
         #endif
 
       #else                                       // Sanguinololu >=1.3