Adding support for using the MKS_12864OLED with the SSD1306 controller

Marlin/Conditionals_LCD.h

@@ -125,6 +125,11 @@
     #define REPRAP_DISCOUNT_SMART_CONTROLLER
     #define U8GLIB_SH1106
 
+  #elif ENABLED(MKS_12864OLED_SSD1306)
+
+    #define REPRAP_DISCOUNT_SMART_CONTROLLER
+    #define U8GLIB_SSD1306
+
   #elif ENABLED(MKS_MINI_12864)
 
     #define MINIPANEL

Marlin/Configuration.h

@@ -1625,12 +1625,14 @@
 //#define CR10_STOCKDISPLAY
 
 //
-// MKS OLED 1.3" 128 × 64 FULL GRAPHICS CONTROLLER
+// MKS OLED 1.3" 128x64 FULL GRAPHICS CONTROLLER
 // http://reprap.org/wiki/MKS_12864OLED
 //
 // Tiny, but very sharp OLED display
+// If there is a pixel shift, try the other controller.
 //
-//#define MKS_12864OLED
+//#define MKS_12864OLED          // Uses the SH1106 controller (default)
+//#define MKS_12864OLED_SSD1306  // Uses the SSD1306 controller
 
 // Silvergate GLCD controller
 // http://github.com/android444/Silvergate

Marlin/Marlin_main.cpp

@@ -14515,7 +14515,7 @@ void setup() {
       pe_deactivate_magnet(1);
     #endif
   #endif
-  #if ENABLED(MKS_12864OLED)
+  #if ENABLED(MKS_12864OLED) || ENABLED(MKS_12864OLED_SSD1306)
     SET_OUTPUT(LCD_PINS_DC);
     OUT_WRITE(LCD_PINS_RS, LOW);
     delay(1000);

Marlin/SanityCheck.h

@@ -1275,6 +1275,7 @@ static_assert(1 >= 0
  *       REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER => REPRAP_DISCOUNT_SMART_CONTROLLER
  *       SAV_3DGLCD => U8GLIB_SH1106 => ULTIMAKERCONTROLLER
  *       MKS_12864OLED => U8GLIB_SH1106 => ULTIMAKERCONTROLLER
+ *       MKS_12864OLED_SSD1306 => U8GLIB_SSD1306 => ULTIMAKERCONTROLLER
  *       miniVIKI => ULTIMAKERCONTROLLER
  *       VIKI2 => ULTIMAKERCONTROLLER
  *       ELB_FULL_GRAPHIC_CONTROLLER => ULTIMAKERCONTROLLER
@@ -1287,14 +1288,16 @@ static_assert(1 >= 0
       && DISABLED(VIKI2) \
       && DISABLED(ELB_FULL_GRAPHIC_CONTROLLER) \
       && DISABLED(PANEL_ONE) \
-      && DISABLED(MKS_12864OLED)
+      && DISABLED(MKS_12864OLED) \
+      && DISABLED(MKS_12864OLED_SSD1306)
     + 1
   #endif
   #if ENABLED(REPRAP_DISCOUNT_SMART_CONTROLLER) \
       && DISABLED(REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER) \
       && DISABLED(LCD_FOR_MELZI) \
       && DISABLED(MAKEBOARD_MINI_2_LINE_DISPLAY_1602) \
-      && DISABLED(MKS_12864OLED)
+      && DISABLED(MKS_12864OLED) \
+      && DISABLED(MKS_12864OLED_SSD1306)
     + 1
   #endif
   #if ENABLED(REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER) \
@@ -1307,6 +1310,9 @@ static_assert(1 >= 0
   #if ENABLED(MKS_12864OLED)
     + 1
   #endif
+  #if ENABLED(MKS_12864OLED_SSD1306)
+    + 1
+  #endif
   #if ENABLED(MAKEBOARD_MINI_2_LINE_DISPLAY_1602)
     + 1
   #endif
@@ -1363,7 +1369,7 @@ static_assert(1 >= 0
   #if ENABLED(LCD_I2C_VIKI)
     + 1
   #endif
-  #if ENABLED(U8GLIB_SSD1306) && DISABLED(OLED_PANEL_TINYBOY2)
+  #if ENABLED(U8GLIB_SSD1306) && DISABLED(OLED_PANEL_TINYBOY2) && DISABLED(MKS_12864OLED_SSD1306)
     + 1
   #endif
   #if ENABLED(SAV_3DLCD)

Marlin/pins_RAMPS.h

@@ -334,7 +334,7 @@
 
     #else
 
-      #if ENABLED(MKS_12864OLED)
+      #if ENABLED(MKS_12864OLED) || ENABLED(MKS_12864OLED_SSD1306)
         #define LCD_PINS_DC     25 // Set as output on init
         #define LCD_PINS_RS     27 // Pull low for 1s to init
         // DOGM SPI LCD Support

Marlin/pins_RAMPS_PLUS.h

@@ -76,7 +76,7 @@
 #undef E1_CS_PIN
 
 #if ENABLED(ULTRA_LCD) && DISABLED(REPRAPWORLD_GRAPHICAL_LCD) && (DISABLED(NEWPANEL) || DISABLED(PANEL_ONE)) && DISABLED(CR10_STOCKDISPLAY)
-  #if DISABLED(MKS_12864OLED)
+  #if DISABLED(MKS_12864OLED) || ENABLED(MKS_12864OLED_SSD1306)
     #undef LCD_PINS_RS
     #define LCD_PINS_RS     42   // 3DYMY boards pin 16 -> 42
     #undef LCD_PINS_ENABLE

Marlin/ultralcd_impl_DOGM.h

@@ -187,6 +187,10 @@
   // U8GLIB_ST7565_64128n_2x_VIKI u8g(0);  // using SW-SPI DOGLCD_MOSI != -1 && DOGLCD_SCK
   U8GLIB_ST7565_64128n_2x_VIKI u8g(DOGLCD_SCK, DOGLCD_MOSI, DOGLCD_CS, DOGLCD_A0);  // using SW-SPI
   //U8GLIB_NHD_C12864_2X u8g(DOGLCD_CS, DOGLCD_A0); // 4 stripes  HWSPI
+#elif ENABLED(MKS_12864OLED_SSD1306)
+  // MKS 128x64 (SSD1306) OLED I2C LCD
+  U8GLIB_SSD1306_128X64 u8g(DOGLCD_SCK, DOGLCD_MOSI, DOGLCD_CS, DOGLCD_A0);      // 8 stripes
+  //U8GLIB_SSD1306_128X64_2X u8g(DOGLCD_SCK, DOGLCD_MOSI, DOGLCD_CS, DOGLCD_A0); // 4 stripes
 #elif ENABLED(U8GLIB_SSD1306)
   // Generic support for SSD1306 OLED I2C LCDs
   //U8GLIB_SSD1306_128X64 u8g(U8G_I2C_OPT_NONE | U8G_I2C_OPT_FAST);  // 8 stripes