Bring some configs up to speed

Marlin/src/config/examples/Tronxy/X1/Configuration.h

@@ -100,12 +100,21 @@
 /**
  * Select the serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port 0 is always used by the Arduino bootloader regardless of this setting.
+ * Note: The first serial port (-1 or 0) will always be used by the Arduino bootloader.
  *
- * :[0, 1, 2, 3, 4, 5, 6, 7]
+ * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
 #define SERIAL_PORT 0
 
+/**
+ * Select a secondary serial port on the board to use for communication with the host.
+ * This allows the connection of wireless adapters (for instance) to non-default port pins.
+ * Serial port -1 is the USB emulated serial port, if available.
+ *
+ * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
+ */
+#define SERIAL_PORT_2 -1
+
 /**
  * This setting determines the communication speed of the printer.
  *
@@ -355,7 +364,7 @@
 #define PIDTEMP
 #define BANG_MAX 255     // Limits current to nozzle while in bang-bang mode; 255=full current
 #define PID_MAX BANG_MAX // Limits current to nozzle while PID is active (see PID_FUNCTIONAL_RANGE below); 255=full current
-#define PID_K1 0.95      // Smoothing factor within the PID
+#define PID_K1 0.95      // Smoothing factor within any PID loop
 #if ENABLED(PIDTEMP)
   //#define PID_AUTOTUNE_MENU // Add PID Autotune to the LCD "Temperature" menu to run M303 and apply the result.
   //#define PID_DEBUG // Sends debug data to the serial port.
@@ -931,7 +940,7 @@
   /**
    * Enable the G26 Mesh Validation Pattern tool.
    */
-  #define G26_MESH_VALIDATION   // Enable G26 mesh validation
+  #define G26_MESH_VALIDATION
   #if ENABLED(G26_MESH_VALIDATION)
     #define MESH_TEST_NOZZLE_SIZE     0.4   // (mm) Diameter of primary nozzle.
     #define MESH_TEST_LAYER_HEIGHT    0.2   // (mm) Default layer height for the G26 Mesh Validation Tool.
@@ -1456,6 +1465,12 @@
 // Enable one of the following options to specify your controller.
 //
 
+//
+// Original RADDS LCD Display+Encoder+SDCardReader
+// http://doku.radds.org/dokumentation/lcd-display/
+//
+//#define RADDS_DISPLAY
+
 //
 // ULTIMAKER Controller.
 //
@@ -1685,6 +1700,13 @@
 //#define MKS_12864OLED          // Uses the SH1106 controller (default)
 //#define MKS_12864OLED_SSD1306  // Uses the SSD1306 controller
 
+//
+// AZSMZ 12864 LCD with SD
+// https://www.aliexpress.com/store/product/3D-printer-smart-controller-SMART-RAMPS-OR-RAMPS-1-4-LCD-12864-LCD-control-panel-green/2179173_32213636460.html
+//
+//#define AZSMZ_12864
+
+//
 // Silvergate GLCD controller
 // http://github.com/android444/Silvergate
 //

Marlin/src/config/examples/Tronxy/X5S/Configuration.h

@@ -1706,6 +1706,7 @@
 //
 //#define AZSMZ_12864
 
+//
 // Silvergate GLCD controller
 // http://github.com/android444/Silvergate
 //

Marlin/src/config/examples/Tronxy/XY100/Configuration.h

@@ -1717,6 +1717,7 @@
 //
 //#define AZSMZ_12864
 
+//
 // Silvergate GLCD controller
 // http://github.com/android444/Silvergate
 //