Add MAX7219 reverse units option (#11860)

Marlin/Configuration_adv.h

@@ -1692,6 +1692,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/default/Configuration_adv.h

@@ -1692,6 +1692,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/AlephObjects/TAZ4/Configuration_adv.h

@@ -1692,6 +1692,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/Anet/A2/Configuration_adv.h

@@ -1674,6 +1674,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/Anet/A2plus/Configuration_adv.h

@@ -1674,6 +1674,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/Anet/A6/Configuration_adv.h

@@ -1692,6 +1692,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/Anet/A8/Configuration_adv.h

@@ -1692,6 +1692,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/Azteeg/X5GT/Configuration_adv.h

@@ -1692,7 +1692,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
-
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
   /**
    * Sample debug features
    * If you add more debug displays, be careful to avoid conflicts!

Marlin/src/config/examples/BIBO/TouchX/cyclops/Configuration_adv.h

@@ -1692,6 +1692,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/BIBO/TouchX/default/Configuration_adv.h

@@ -1692,6 +1692,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/BQ/Hephestos/Configuration_adv.h

@@ -1692,6 +1692,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/BQ/Hephestos_2/Configuration_adv.h

@@ -1700,6 +1700,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/BQ/WITBOX/Configuration_adv.h

@@ -1692,6 +1692,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/Cartesio/Configuration_adv.h

@@ -1692,6 +1692,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/Creality/CR-10/Configuration_adv.h

@@ -1695,6 +1695,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/Creality/CR-10S/Configuration_adv.h

@@ -1692,6 +1692,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/Creality/CR-10mini/Configuration_adv.h

@@ -1692,6 +1692,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/Creality/CR-8/Configuration_adv.h

@@ -1692,6 +1692,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/Creality/Ender-2/Configuration_adv.h

@@ -1692,6 +1692,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/Creality/Ender-3/Configuration_adv.h

@@ -1692,6 +1692,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/Creality/Ender-4/Configuration_adv.h

@@ -1692,6 +1692,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/Einstart-S/Configuration_adv.h

@@ -1692,6 +1692,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/Felix/Configuration_adv.h

@@ -1692,6 +1692,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/FolgerTech/i3-2020/Configuration_adv.h

@@ -1700,6 +1700,7 @@
   #define MAX7219_NUMBER_UNITS 2   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE     -90   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/Formbot/T-Rex_2+/Configuration_adv.h

@@ -1694,6 +1694,7 @@
   #define MAX7219_NUMBER_UNITS 2   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  #define MAX7219_REVERSE_ORDER   // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/Formbot/T_Rex_3/Configuration_adv.h

@@ -1692,6 +1692,7 @@
   #define MAX7219_NUMBER_UNITS 2   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/Geeetech/Prusa i3 Pro C/Configuration_adv.h

@@ -1692,6 +1692,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/Geeetech/Prusa i3 Pro W/Configuration_adv.h

@@ -1692,6 +1692,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/Infitary/i3-M508/Configuration_adv.h

@@ -1692,6 +1692,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/JGAurora/A5/Configuration_adv.h

@@ -1692,6 +1692,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/MakerParts/Configuration_adv.h

@@ -1692,6 +1692,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/Malyan/M150/Configuration_adv.h

@@ -1692,6 +1692,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/Malyan/M200/Configuration_adv.h

@@ -1692,6 +1692,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/Micromake/C1/enhanced/Configuration_adv.h

@@ -1692,6 +1692,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/Mks/Sbase/Configuration_adv.h

@@ -1700,6 +1700,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/RigidBot/Configuration_adv.h

@@ -1692,6 +1692,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/SCARA/Configuration_adv.h

@@ -1692,6 +1692,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/Sanguinololu/Configuration_adv.h

@@ -1692,6 +1692,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/TheBorg/Configuration_adv.h

@@ -1692,6 +1692,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/TinyBoy2/Configuration_adv.h

@@ -1692,6 +1692,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/Tronxy/X3A/Configuration_adv.h

@@ -1681,6 +1681,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/UltiMachine/Archim2/Configuration_adv.h

@@ -1692,6 +1692,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/Velleman/K8200/Configuration_adv.h

@@ -1705,6 +1705,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/Velleman/K8400/Configuration_adv.h

@@ -1692,6 +1692,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/Wanhao/Duplicator 6/Configuration_adv.h

@@ -1694,6 +1694,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/delta/Anycubic/Kossel/Configuration_adv.h

@@ -1669,6 +1669,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/delta/FLSUN/auto_calibrate/Configuration_adv.h

@@ -1694,6 +1694,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/delta/FLSUN/kossel/Configuration_adv.h

@@ -1694,6 +1694,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/delta/FLSUN/kossel_mini/Configuration_adv.h

@@ -1694,6 +1694,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/delta/generic/Configuration_adv.h

@@ -1694,6 +1694,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/delta/kossel_mini/Configuration_adv.h

@@ -1694,6 +1694,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/delta/kossel_pro/Configuration_adv.h

@@ -1699,6 +1699,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/delta/kossel_xl/Configuration_adv.h

@@ -1694,6 +1694,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/gCreate/gMax1.5+/Configuration_adv.h

@@ -1692,6 +1692,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/makibox/Configuration_adv.h

@@ -1692,6 +1692,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/tvrrug/Round2/Configuration_adv.h

@@ -1692,6 +1692,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/config/examples/wt150/Configuration_adv.h

@@ -1693,6 +1693,7 @@
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180
+  //#define MAX7219_REVERSE_ORDER  // The individual LED matrix units may be in reversed order
 
   /**
    * Sample debug features

Marlin/src/feature/Max7219_Debug_LEDs.cpp

@@ -53,15 +53,19 @@ Max7219 max7219;
 uint8_t Max7219::led_line[MAX7219_LINES]; // = { 0 };
 
 #define LINE_REG(Q)     (max7219_reg_digit0 + ((Q) & 0x7))
+
 #if _ROT == 0 || _ROT == 270
   #define _LED_BIT(Q)   (7 - ((Q) & 0x7))
-  #define _LED_UNIT(Q)  ((Q) & ~0x7)
-  //#define _LED_UNIT(Q)  ((MAX7219_NUMBER_UNITS - 1 - ((Q) >> 3)) << 3)  // some Max7219 boards have rotated the matrix
-                                                                          // this line can be substituted to correct orientation
 #else
   #define _LED_BIT(Q)   ((Q) & 0x7)
+#endif
+
+#if (_ROT == 0 || _ROT == 270) == ENABLED(MAX7219_REVERSE_ORDER)
   #define _LED_UNIT(Q)  ((MAX7219_NUMBER_UNITS - 1 - ((Q) >> 3)) << 3)
+#else
+  #define _LED_UNIT(Q)  ((Q) & ~0x7)
 #endif
+
 #if _ROT < 180
   #define _LED_IND(P,Q) (_LED_UNIT(P) + (Q))
 #else