Tweak BLOCK_BUFFER_SIZE config

Marlin/Configuration_adv.h

@@ -750,7 +750,7 @@
 // @section hidden
 
 // The number of linear motions that can be in the plan at any give time.
-// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2, i.g. 8,16,32 because shifts and ors are used to do the ring-buffering.
+// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2 (e.g. 8, 16, 32) because shifts and ors are used to do the ring-buffering.
 #if ENABLED(SDSUPPORT)
   #define BLOCK_BUFFER_SIZE 16 // SD,LCD,Buttons take more memory, block buffer needs to be smaller
 #else

Marlin/SanityCheck.h

@@ -1508,3 +1508,7 @@ static_assert(COUNT(sanity_arr_3) <= XYZE_N, "DEFAULT_MAX_ACCELERATION has too m
 #if ENABLED(CNC_COORDINATE_SYSTEMS) && ENABLED(NO_WORKSPACE_OFFSETS)
   #error "CNC_COORDINATE_SYSTEMS is incompatible with NO_WORKSPACE_OFFSETS."
 #endif
+
+#if !BLOCK_BUFFER_SIZE || !IS_POWER_OF_2(BLOCK_BUFFER_SIZE)
+  #error "BLOCK_BUFFER_SIZE must be a power of 2."
+#endif

Marlin/example_configurations/AlephObjects/TAZ4/Configuration_adv.h

@@ -750,7 +750,7 @@
 // @section hidden
 
 // The number of linear motions that can be in the plan at any give time.
-// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2, i.g. 8,16,32 because shifts and ors are used to do the ring-buffering.
+// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2 (e.g. 8, 16, 32) because shifts and ors are used to do the ring-buffering.
 #if ENABLED(SDSUPPORT)
   #define BLOCK_BUFFER_SIZE 16 // SD,LCD,Buttons take more memory, block buffer needs to be smaller
 #else

Marlin/example_configurations/Anet/A6/Configuration_adv.h

@@ -750,7 +750,7 @@
 // @section hidden
 
 // The number of linear motions that can be in the plan at any give time.
-// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2, i.g. 8,16,32 because shifts and ors are used to do the ring-buffering.
+// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2 (e.g. 8, 16, 32) because shifts and ors are used to do the ring-buffering.
 #if ENABLED(SDSUPPORT)
   #define BLOCK_BUFFER_SIZE 16 // SD,LCD,Buttons take more memory, block buffer needs to be smaller
 #else

Marlin/example_configurations/Anet/A8/Configuration_adv.h

@@ -750,7 +750,7 @@
 // @section hidden
 
 // The number of linear motions that can be in the plan at any give time.
-// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2, i.g. 8,16,32 because shifts and ors are used to do the ring-buffering.
+// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2 (e.g. 8, 16, 32) because shifts and ors are used to do the ring-buffering.
 #if ENABLED(SDSUPPORT)
   #define BLOCK_BUFFER_SIZE 16 // SD,LCD,Buttons take more memory, block buffer needs to be smaller
 #else

Marlin/example_configurations/BQ/Hephestos/Configuration_adv.h

@@ -750,7 +750,7 @@
 // @section hidden
 
 // The number of linear motions that can be in the plan at any give time.
-// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2, i.g. 8,16,32 because shifts and ors are used to do the ring-buffering.
+// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2 (e.g. 8, 16, 32) because shifts and ors are used to do the ring-buffering.
 #if ENABLED(SDSUPPORT)
   #define BLOCK_BUFFER_SIZE 16 // SD,LCD,Buttons take more memory, block buffer needs to be smaller
 #else

Marlin/example_configurations/BQ/Hephestos_2/Configuration_adv.h

@@ -747,7 +747,7 @@
 // @section hidden
 
 // The number of linear motions that can be in the plan at any give time.
-// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2, i.g. 8,16,32 because shifts and ors are used to do the ring-buffering.
+// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2 (e.g. 8, 16, 32) because shifts and ors are used to do the ring-buffering.
 #if ENABLED(SDSUPPORT)
   #define BLOCK_BUFFER_SIZE 32 // SD,LCD,Buttons take more memory, block buffer needs to be smaller
 #else

Marlin/example_configurations/BQ/WITBOX/Configuration_adv.h

@@ -750,7 +750,7 @@
 // @section hidden
 
 // The number of linear motions that can be in the plan at any give time.
-// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2, i.g. 8,16,32 because shifts and ors are used to do the ring-buffering.
+// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2 (e.g. 8, 16, 32) because shifts and ors are used to do the ring-buffering.
 #if ENABLED(SDSUPPORT)
   #define BLOCK_BUFFER_SIZE 16 // SD,LCD,Buttons take more memory, block buffer needs to be smaller
 #else

Marlin/example_configurations/Cartesio/Configuration_adv.h

@@ -750,7 +750,7 @@
 // @section hidden
 
 // The number of linear motions that can be in the plan at any give time.
-// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2, i.g. 8,16,32 because shifts and ors are used to do the ring-buffering.
+// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2 (e.g. 8, 16, 32) because shifts and ors are used to do the ring-buffering.
 #if ENABLED(SDSUPPORT)
   #define BLOCK_BUFFER_SIZE 16 // SD,LCD,Buttons take more memory, block buffer needs to be smaller
 #else

Marlin/example_configurations/Creality/CR-10/Configuration_adv.h

@@ -750,7 +750,7 @@
 // @section hidden
 
 // The number of linear motions that can be in the plan at any give time.
-// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2, i.g. 8,16,32 because shifts and ors are used to do the ring-buffering.
+// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2 (e.g. 8, 16, 32) because shifts and ors are used to do the ring-buffering.
 #if ENABLED(SDSUPPORT)
   #define BLOCK_BUFFER_SIZE 16 // SD,LCD,Buttons take more memory, block buffer needs to be smaller
 #else

Marlin/example_configurations/Felix/Configuration_adv.h

@@ -750,7 +750,7 @@
 // @section hidden
 
 // The number of linear motions that can be in the plan at any give time.
-// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2, i.g. 8,16,32 because shifts and ors are used to do the ring-buffering.
+// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2 (e.g. 8, 16, 32) because shifts and ors are used to do the ring-buffering.
 #if ENABLED(SDSUPPORT)
   #define BLOCK_BUFFER_SIZE 16 // SD,LCD,Buttons take more memory, block buffer needs to be smaller
 #else

Marlin/example_configurations/FolgerTech/i3-2020/Configuration_adv.h

@@ -750,7 +750,7 @@
 // @section hidden
 
 // The number of linear motions that can be in the plan at any give time.
-// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2, i.g. 8,16,32 because shifts and ors are used to do the ring-buffering.
+// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2 (e.g. 8, 16, 32) because shifts and ors are used to do the ring-buffering.
 #if ENABLED(SDSUPPORT)
   #define BLOCK_BUFFER_SIZE 16 // SD,LCD,Buttons take more memory, block buffer needs to be smaller
 #else

Marlin/example_configurations/Infitary/i3-M508/Configuration_adv.h

@@ -750,7 +750,7 @@
 // @section hidden
 
 // The number of linear motions that can be in the plan at any give time.
-// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2, i.g. 8,16,32 because shifts and ors are used to do the ring-buffering.
+// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2 (e.g. 8, 16, 32) because shifts and ors are used to do the ring-buffering.
 #if ENABLED(SDSUPPORT)
   #define BLOCK_BUFFER_SIZE 16 // SD,LCD,Buttons take more memory, block buffer needs to be smaller
 #else

Marlin/example_configurations/Malyan/M150/Configuration_adv.h

@@ -747,7 +747,7 @@
 // @section hidden
 
 // The number of linear motions that can be in the plan at any give time.
-// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2, i.g. 8,16,32 because shifts and ors are used to do the ring-buffering.
+// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2 (e.g. 8, 16, 32) because shifts and ors are used to do the ring-buffering.
 #if ENABLED(SDSUPPORT)
   #define BLOCK_BUFFER_SIZE 16 // SD,LCD,Buttons take more memory, block buffer needs to be smaller
 #else

Marlin/example_configurations/Micromake/C1/enhanced/Configuration_adv.h

@@ -751,7 +751,7 @@
 // @section hidden
 
 // The number of linear motions that can be in the plan at any give time.
-// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2, i.g. 8,16,32 because shifts and ors are used to do the ring-buffering.
+// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2 (e.g. 8, 16, 32) because shifts and ors are used to do the ring-buffering.
 #if ENABLED(SDSUPPORT)
   #define BLOCK_BUFFER_SIZE 16 // SD,LCD,Buttons take more memory, block buffer needs to be smaller
 #else

Marlin/example_configurations/RigidBot/Configuration_adv.h

@@ -750,7 +750,7 @@
 // @section hidden
 
 // The number of linear motions that can be in the plan at any give time.
-// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2, i.g. 8,16,32 because shifts and ors are used to do the ring-buffering.
+// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2 (e.g. 8, 16, 32) because shifts and ors are used to do the ring-buffering.
 #if ENABLED(SDSUPPORT)
   #define BLOCK_BUFFER_SIZE 16 // SD,LCD,Buttons take more memory, block buffer needs to be smaller
 #else

Marlin/example_configurations/SCARA/Configuration_adv.h

@@ -750,7 +750,7 @@
 // @section hidden
 
 // The number of linear motions that can be in the plan at any give time.
-// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2, i.g. 8,16,32 because shifts and ors are used to do the ring-buffering.
+// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2 (e.g. 8, 16, 32) because shifts and ors are used to do the ring-buffering.
 #if ENABLED(SDSUPPORT)
   #define BLOCK_BUFFER_SIZE 16 // SD,LCD,Buttons take more memory, block buffer needs to be smaller
 #else

Marlin/example_configurations/Sanguinololu/Configuration_adv.h

@@ -739,7 +739,7 @@
 // @section hidden
 
 // The number of linear motions that can be in the plan at any give time.
-// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2, i.g. 8,16,32 because shifts and ors are used to do the ring-buffering.
+// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2 (e.g. 8, 16, 32) because shifts and ors are used to do the ring-buffering.
 #if ENABLED(SDSUPPORT)
   #define BLOCK_BUFFER_SIZE 16 // SD,LCD,Buttons take more memory, block buffer needs to be smaller
 #else

Marlin/example_configurations/TinyBoy2/Configuration_adv.h

@@ -750,7 +750,7 @@
 // @section hidden
 
 // The number of linear motions that can be in the plan at any give time.
-// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2, i.g. 8,16,32 because shifts and ors are used to do the ring-buffering.
+// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2 (e.g. 8, 16, 32) because shifts and ors are used to do the ring-buffering.
 #if ENABLED(SDSUPPORT)
   #define BLOCK_BUFFER_SIZE 16 // SD,LCD,Buttons take more memory, block buffer needs to be smaller
 #else

Marlin/example_configurations/Velleman/K8200/Configuration_adv.h

@@ -758,7 +758,7 @@
 // @section hidden
 
 // The number of linear motions that can be in the plan at any give time.
-// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2, i.g. 8,16,32 because shifts and ors are used to do the ring-buffering.
+// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2 (e.g. 8, 16, 32) because shifts and ors are used to do the ring-buffering.
 #if ENABLED(SDSUPPORT)
   #define BLOCK_BUFFER_SIZE 16 // SD,LCD,Buttons take more memory, block buffer needs to be smaller
 #else

Marlin/example_configurations/Velleman/K8400/Configuration_adv.h

@@ -750,7 +750,7 @@
 // @section hidden
 
 // The number of linear motions that can be in the plan at any give time.
-// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2, i.g. 8,16,32 because shifts and ors are used to do the ring-buffering.
+// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2 (e.g. 8, 16, 32) because shifts and ors are used to do the ring-buffering.
 #if ENABLED(SDSUPPORT)
   #define BLOCK_BUFFER_SIZE 16 // SD,LCD,Buttons take more memory, block buffer needs to be smaller
 #else

Marlin/example_configurations/delta/FLSUN/auto_calibrate/Configuration_adv.h

@@ -752,7 +752,7 @@
 // @section hidden
 
 // The number of linear motions that can be in the plan at any give time.
-// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2, i.g. 8,16,32 because shifts and ors are used to do the ring-buffering.
+// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2 (e.g. 8, 16, 32) because shifts and ors are used to do the ring-buffering.
 #if ENABLED(SDSUPPORT)
   #define BLOCK_BUFFER_SIZE 16 // SD,LCD,Buttons take more memory, block buffer needs to be smaller
 #else

Marlin/example_configurations/delta/FLSUN/kossel_mini/Configuration_adv.h

@@ -752,7 +752,7 @@
 // @section hidden
 
 // The number of linear motions that can be in the plan at any give time.
-// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2, i.g. 8,16,32 because shifts and ors are used to do the ring-buffering.
+// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2 (e.g. 8, 16, 32) because shifts and ors are used to do the ring-buffering.
 #if ENABLED(SDSUPPORT)
   #define BLOCK_BUFFER_SIZE 16 // SD,LCD,Buttons take more memory, block buffer needs to be smaller
 #else

Marlin/example_configurations/delta/generic/Configuration_adv.h

@@ -752,7 +752,7 @@
 // @section hidden
 
 // The number of linear motions that can be in the plan at any give time.
-// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2, i.g. 8,16,32 because shifts and ors are used to do the ring-buffering.
+// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2 (e.g. 8, 16, 32) because shifts and ors are used to do the ring-buffering.
 #if ENABLED(SDSUPPORT)
   #define BLOCK_BUFFER_SIZE 16 // SD,LCD,Buttons take more memory, block buffer needs to be smaller
 #else

Marlin/example_configurations/delta/kossel_mini/Configuration_adv.h

@@ -752,7 +752,7 @@
 // @section hidden
 
 // The number of linear motions that can be in the plan at any give time.
-// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2, i.g. 8,16,32 because shifts and ors are used to do the ring-buffering.
+// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2 (e.g. 8, 16, 32) because shifts and ors are used to do the ring-buffering.
 #if ENABLED(SDSUPPORT)
   #define BLOCK_BUFFER_SIZE 16 // SD,LCD,Buttons take more memory, block buffer needs to be smaller
 #else

Marlin/example_configurations/delta/kossel_pro/Configuration_adv.h

@@ -757,7 +757,7 @@
 // @section hidden
 
 // The number of linear motions that can be in the plan at any give time.
-// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2, i.g. 8,16,32 because shifts and ors are used to do the ring-buffering.
+// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2 (e.g. 8, 16, 32) because shifts and ors are used to do the ring-buffering.
 #if ENABLED(SDSUPPORT)
   #define BLOCK_BUFFER_SIZE 16 // SD,LCD,Buttons take more memory, block buffer needs to be smaller
 #else

Marlin/example_configurations/delta/kossel_xl/Configuration_adv.h

@@ -752,7 +752,7 @@
 // @section hidden
 
 // The number of linear motions that can be in the plan at any give time.
-// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2, i.g. 8,16,32 because shifts and ors are used to do the ring-buffering.
+// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2 (e.g. 8, 16, 32) because shifts and ors are used to do the ring-buffering.
 #if ENABLED(SDSUPPORT)
   #define BLOCK_BUFFER_SIZE 16 // SD,LCD,Buttons take more memory, block buffer needs to be smaller
 #else

Marlin/example_configurations/gCreate/gMax1.5+/Configuration_adv.h

@@ -750,7 +750,7 @@
 // @section hidden
 
 // The number of linear motions that can be in the plan at any give time.
-// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2, i.g. 8,16,32 because shifts and ors are used to do the ring-buffering.
+// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2 (e.g. 8, 16, 32) because shifts and ors are used to do the ring-buffering.
 #if ENABLED(SDSUPPORT)
   #define BLOCK_BUFFER_SIZE 16 // SD,LCD,Buttons take more memory, block buffer needs to be smaller
 #else

Marlin/example_configurations/makibox/Configuration_adv.h

@@ -750,7 +750,7 @@
 // @section hidden
 
 // The number of linear motions that can be in the plan at any give time.
-// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2, i.g. 8,16,32 because shifts and ors are used to do the ring-buffering.
+// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2 (e.g. 8, 16, 32) because shifts and ors are used to do the ring-buffering.
 #if ENABLED(SDSUPPORT)
   #define BLOCK_BUFFER_SIZE 16 // SD,LCD,Buttons take more memory, block buffer needs to be smaller
 #else

Marlin/example_configurations/tvrrug/Round2/Configuration_adv.h

@@ -750,7 +750,7 @@
 // @section hidden
 
 // The number of linear motions that can be in the plan at any give time.
-// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2, i.g. 8,16,32 because shifts and ors are used to do the ring-buffering.
+// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2 (e.g. 8, 16, 32) because shifts and ors are used to do the ring-buffering.
 #if ENABLED(SDSUPPORT)
   #define BLOCK_BUFFER_SIZE 16 // SD,LCD,Buttons take more memory, block buffer needs to be smaller
 #else

Marlin/example_configurations/wt150/Configuration_adv.h

@@ -740,7 +740,7 @@
 // @section hidden
 
 // The number of linear motions that can be in the plan at any give time.
-// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2, i.g. 8,16,32 because shifts and ors are used to do the ring-buffering.
+// THE BLOCK_BUFFER_SIZE NEEDS TO BE A POWER OF 2 (e.g. 8, 16, 32) because shifts and ors are used to do the ring-buffering.
 #if ENABLED(SDSUPPORT)
   #define BLOCK_BUFFER_SIZE 16 // SD,LCD,Buttons take more memory, block buffer needs to be smaller
 #else