2uS default step pulse (#9989)

Marlin/Configuration_adv.h

 
 // The minimum pulse width (in µs) for stepping a stepper.
 // Set this if you find stepping unreliable, or if using a very fast CPU.
-#define MINIMUM_STEPPER_PULSE 0 // (µs) The smallest stepper pulse allowed
+// 0 is OK for AVR, 0 is OK for A4989 drivers, 2 is needed for DRV8825 drivers
+#define MINIMUM_STEPPER_PULSE 2 // (µs)   DRV8825 on 32bit CPUs
 
 // @section temperature
 

Marlin/src/config/default/Configuration_adv.h

 
 // The minimum pulse width (in µs) for stepping a stepper.
 // Set this if you find stepping unreliable, or if using a very fast CPU.
-#define MINIMUM_STEPPER_PULSE 0 // (µs) The smallest stepper pulse allowed
+// 0 is OK for AVR, 0 is OK for A4989 drivers, 2 is needed for DRV8825 drivers
+#define MINIMUM_STEPPER_PULSE 2 // (µs)   DRV8825 on 32bit CPUs
 
 // @section temperature
 

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

 
 // The minimum pulse width (in µs) for stepping a stepper.
 // Set this if you find stepping unreliable, or if using a very fast CPU.
-#define MINIMUM_STEPPER_PULSE 0 // (µs) The smallest stepper pulse allowed
+// 0 is OK for AVR, 0 is OK for A4989 drivers, 2 is needed for DRV8825 drivers
+#define MINIMUM_STEPPER_PULSE 2 // (µs)   DRV8825 on 32bit CPUs
 
 // @section temperature
 

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

 
 // The minimum pulse width (in µs) for stepping a stepper.
 // Set this if you find stepping unreliable, or if using a very fast CPU.
-#define MINIMUM_STEPPER_PULSE 0 // (µs) The smallest stepper pulse allowed
+// 0 is OK for AVR, 0 is OK for A4989 drivers, 2 is needed for DRV8825 drivers
+#define MINIMUM_STEPPER_PULSE 2 // (µs)   DRV8825 on 32bit CPUs
 
 // @section temperature
 

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

 
 // The minimum pulse width (in µs) for stepping a stepper.
 // Set this if you find stepping unreliable, or if using a very fast CPU.
-#define MINIMUM_STEPPER_PULSE 0 // (µs) The smallest stepper pulse allowed
+// 0 is OK for AVR, 0 is OK for A4989 drivers, 2 is needed for DRV8825 drivers
+#define MINIMUM_STEPPER_PULSE 2 // (µs)   DRV8825 on 32bit CPUs
 
 // @section temperature
 

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

 
 // The minimum pulse width (in µs) for stepping a stepper.
 // Set this if you find stepping unreliable, or if using a very fast CPU.
-#define MINIMUM_STEPPER_PULSE 0 // (µs) The smallest stepper pulse allowed
+// 0 is OK for AVR, 0 is OK for A4989 drivers, 2 is needed for DRV8825 drivers
+#define MINIMUM_STEPPER_PULSE 2 // (µs)   DRV8825 on 32bit CPUs
 
 // @section temperature
 

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

 
 // The minimum pulse width (in µs) for stepping a stepper.
 // Set this if you find stepping unreliable, or if using a very fast CPU.
-#define MINIMUM_STEPPER_PULSE 0 // (µs) The smallest stepper pulse allowed
+// 0 is OK for AVR, 0 is OK for A4989 drivers, 2 is needed for DRV8825 drivers
+#define MINIMUM_STEPPER_PULSE 2 // (µs)   DRV8825 on 32bit CPUs
 
 // @section temperature
 

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

 
 // The minimum pulse width (in µs) for stepping a stepper.
 // Set this if you find stepping unreliable, or if using a very fast CPU.
-#define MINIMUM_STEPPER_PULSE 0 // (µs) The smallest stepper pulse allowed
+// 0 is OK for AVR, 0 is OK for A4989 drivers, 2 is needed for DRV8825 drivers
+#define MINIMUM_STEPPER_PULSE 2 // (µs)   DRV8825 on 32bit CPUs
 
 // @section temperature
 

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

 
 // The minimum pulse width (in µs) for stepping a stepper.
 // Set this if you find stepping unreliable, or if using a very fast CPU.
-#define MINIMUM_STEPPER_PULSE 0 // (µs) The smallest stepper pulse allowed
+// 0 is OK for AVR, 0 is OK for A4989 drivers, 2 is needed for DRV8825 drivers
+#define MINIMUM_STEPPER_PULSE 2 // (µs)   DRV8825 on 32bit CPUs
 
 // @section temperature
 

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

 
 // The minimum pulse width (in µs) for stepping a stepper.
 // Set this if you find stepping unreliable, or if using a very fast CPU.
-#define MINIMUM_STEPPER_PULSE 0 // (µs) The smallest stepper pulse allowed
+// 0 is OK for AVR, 0 is OK for A4989 drivers, 2 is needed for DRV8825 drivers
+#define MINIMUM_STEPPER_PULSE 2 // (µs)   DRV8825 on 32bit CPUs
 
 // @section temperature
 

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

 
 // The minimum pulse width (in µs) for stepping a stepper.
 // Set this if you find stepping unreliable, or if using a very fast CPU.
-#define MINIMUM_STEPPER_PULSE 0 // (µs) The smallest stepper pulse allowed
+// 0 is OK for AVR, 0 is OK for A4989 drivers, 2 is needed for DRV8825 drivers
+#define MINIMUM_STEPPER_PULSE 2 // (µs)   DRV8825 on 32bit CPUs
 
 // @section temperature
 

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

 
 // The minimum pulse width (in µs) for stepping a stepper.
 // Set this if you find stepping unreliable, or if using a very fast CPU.
-#define MINIMUM_STEPPER_PULSE 0 // (µs) The smallest stepper pulse allowed
+// 0 is OK for AVR, 0 is OK for A4989 drivers, 2 is needed for DRV8825 drivers
+#define MINIMUM_STEPPER_PULSE 2 // (µs)   DRV8825 on 32bit CPUs
 
 // @section temperature
 

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

 
 // The minimum pulse width (in µs) for stepping a stepper.
 // Set this if you find stepping unreliable, or if using a very fast CPU.
-#define MINIMUM_STEPPER_PULSE 0 // (µs) The smallest stepper pulse allowed
+// 0 is OK for AVR, 0 is OK for A4989 drivers, 2 is needed for DRV8825 drivers
+#define MINIMUM_STEPPER_PULSE 2 // (µs)   DRV8825 on 32bit CPUs
 
 // @section temperature
 

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

 
 // The minimum pulse width (in µs) for stepping a stepper.
 // Set this if you find stepping unreliable, or if using a very fast CPU.
-#define MINIMUM_STEPPER_PULSE 0 // (µs) The smallest stepper pulse allowed
+// 0 is OK for AVR, 0 is OK for A4989 drivers, 2 is needed for DRV8825 drivers
+#define MINIMUM_STEPPER_PULSE 2 // (µs)   DRV8825 on 32bit CPUs
 
 // @section temperature
 

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

 
 // The minimum pulse width (in µs) for stepping a stepper.
 // Set this if you find stepping unreliable, or if using a very fast CPU.
-#define MINIMUM_STEPPER_PULSE 0 // (µs) The smallest stepper pulse allowed
+// 0 is OK for AVR, 0 is OK for A4989 drivers, 2 is needed for DRV8825 drivers
+#define MINIMUM_STEPPER_PULSE 2 // (µs)   DRV8825 on 32bit CPUs
 
 // @section temperature
 

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

 
 // The minimum pulse width (in µs) for stepping a stepper.
 // Set this if you find stepping unreliable, or if using a very fast CPU.
-#define MINIMUM_STEPPER_PULSE 0 // (µs) The smallest stepper pulse allowed
+// 0 is OK for AVR, 0 is OK for A4989 drivers, 2 is needed for DRV8825 drivers
+#define MINIMUM_STEPPER_PULSE 2 // (µs)   DRV8825 on 32bit CPUs
 
 // @section temperature
 

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

 
 // The minimum pulse width (in µs) for stepping a stepper.
 // Set this if you find stepping unreliable, or if using a very fast CPU.
-#define MINIMUM_STEPPER_PULSE 0 // (µs) The smallest stepper pulse allowed
+// 0 is OK for AVR, 0 is OK for A4989 drivers, 2 is needed for DRV8825 drivers
+#define MINIMUM_STEPPER_PULSE 2 // (µs)   DRV8825 on 32bit CPUs
 
 // @section temperature
 

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

 
 // The minimum pulse width (in µs) for stepping a stepper.
 // Set this if you find stepping unreliable, or if using a very fast CPU.
-#define MINIMUM_STEPPER_PULSE 0 // (µs) The smallest stepper pulse allowed
+// 0 is OK for AVR, 0 is OK for A4989 drivers, 2 is needed for DRV8825 drivers
+#define MINIMUM_STEPPER_PULSE 2 // (µs)   DRV8825 on 32bit CPUs
 
 // @section temperature
 

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

 
 // The minimum pulse width (in µs) for stepping a stepper.
 // Set this if you find stepping unreliable, or if using a very fast CPU.
-#define MINIMUM_STEPPER_PULSE 0 // (µs) The smallest stepper pulse allowed
+// 0 is OK for AVR, 0 is OK for A4989 drivers, 2 is needed for DRV8825 drivers
+#define MINIMUM_STEPPER_PULSE 2 // (µs)   DRV8825 on 32bit CPUs
 
 // @section temperature
 

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

 
 // The minimum pulse width (in µs) for stepping a stepper.
 // Set this if you find stepping unreliable, or if using a very fast CPU.
-#define MINIMUM_STEPPER_PULSE 0 // (µs) The smallest stepper pulse allowed
+// 0 is OK for AVR, 0 is OK for A4989 drivers, 2 is needed for DRV8825 drivers
+#define MINIMUM_STEPPER_PULSE 2 // (µs)   DRV8825 on 32bit CPUs
 
 // @section temperature
 

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

 
 // The minimum pulse width (in µs) for stepping a stepper.
 // Set this if you find stepping unreliable, or if using a very fast CPU.
-#define MINIMUM_STEPPER_PULSE 2 // (µs) The smallest stepper pulse allowed
+// 0 is OK for AVR, 0 is OK for A4989 drivers, 2 is needed for DRV8825 drivers
+#define MINIMUM_STEPPER_PULSE 2  // (µs)   DRV8825 on 32bit CPUs
 #define STEPPER_DIRECTION_DELAY 2 // (µs) Delay between dir and step
 
 // @section temperature

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

 
 // The minimum pulse width (in µs) for stepping a stepper.
 // Set this if you find stepping unreliable, or if using a very fast CPU.
-#define MINIMUM_STEPPER_PULSE 0 // (µs) The smallest stepper pulse allowed
+// 0 is OK for AVR, 0 is OK for A4989 drivers, 2 is needed for DRV8825 drivers
+#define MINIMUM_STEPPER_PULSE 2 // (µs)   DRV8825 on 32bit CPUs
 
 // @section temperature
 

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

 
 // The minimum pulse width (in µs) for stepping a stepper.
 // Set this if you find stepping unreliable, or if using a very fast CPU.
-#define MINIMUM_STEPPER_PULSE 1 // (µs) The smallest stepper pulse allowed
+// 0 is OK for AVR, 0 is OK for A4989 drivers, 2 is needed for DRV8825 drivers
+#define MINIMUM_STEPPER_PULSE 1 // (µs)
 
 // @section temperature
 

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

 
 // The minimum pulse width (in µs) for stepping a stepper.
 // Set this if you find stepping unreliable, or if using a very fast CPU.
-#define MINIMUM_STEPPER_PULSE 0 // (µs) The smallest stepper pulse allowed
+// 0 is OK for AVR, 0 is OK for A4989 drivers, 2 is needed for DRV8825 drivers
+#define MINIMUM_STEPPER_PULSE 2 // (µs)   DRV8825 on 32bit CPUs
 
 // @section temperature
 

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

 
 // The minimum pulse width (in µs) for stepping a stepper.
 // Set this if you find stepping unreliable, or if using a very fast CPU.
-#define MINIMUM_STEPPER_PULSE 4 // (µs) The smallest stepper pulse allowed
+// 0 is OK for AVR, 0 is OK for A4989 drivers, 2 is needed for DRV8825 drivers
+#define MINIMUM_STEPPER_PULSE 4 // (µs)
 
 // @section temperature
 

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

 
 // The minimum pulse width (in µs) for stepping a stepper.
 // Set this if you find stepping unreliable, or if using a very fast CPU.
-#define MINIMUM_STEPPER_PULSE 0 // (µs) The smallest stepper pulse allowed
+// 0 is OK for AVR, 0 is OK for A4989 drivers, 2 is needed for DRV8825 drivers
+#define MINIMUM_STEPPER_PULSE 2 // (µs)   DRV8825 on 32bit CPUs
 
 // @section temperature
 

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

 
 // The minimum pulse width (in µs) for stepping a stepper.
 // Set this if you find stepping unreliable, or if using a very fast CPU.
-#define MINIMUM_STEPPER_PULSE 0 // (µs) The smallest stepper pulse allowed
+// 0 is OK for AVR, 0 is OK for A4989 drivers, 2 is needed for DRV8825 drivers
+#define MINIMUM_STEPPER_PULSE 2 // (µs)   DRV8825 on 32bit CPUs
 
 // @section temperature
 

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

 
 // The minimum pulse width (in µs) for stepping a stepper.
 // Set this if you find stepping unreliable, or if using a very fast CPU.
-#define MINIMUM_STEPPER_PULSE 0 // (µs) The smallest stepper pulse allowed
+// 0 is OK for AVR, 0 is OK for A4989 drivers, 2 is needed for DRV8825 drivers
+#define MINIMUM_STEPPER_PULSE 2 // (µs)   DRV8825 on 32bit CPUs
 
 // @section temperature
 

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

 
 // The minimum pulse width (in µs) for stepping a stepper.
 // Set this if you find stepping unreliable, or if using a very fast CPU.
-#define MINIMUM_STEPPER_PULSE 0 // (µs) The smallest stepper pulse allowed
+// 0 is OK for AVR, 0 is OK for A4989 drivers, 2 is needed for DRV8825 drivers
+#define MINIMUM_STEPPER_PULSE 2 // (µs)   DRV8825 on 32bit CPUs
 
 // @section temperature
 

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

 
 // The minimum pulse width (in µs) for stepping a stepper.
 // Set this if you find stepping unreliable, or if using a very fast CPU.
-#define MINIMUM_STEPPER_PULSE 0 // (µs) The smallest stepper pulse allowed
+// 0 is OK for AVR, 0 is OK for A4989 drivers, 2 is needed for DRV8825 drivers
+#define MINIMUM_STEPPER_PULSE 2 // (µs)   DRV8825 on 32bit CPUs
 
 // @section temperature
 

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

 
 // The minimum pulse width (in µs) for stepping a stepper.
 // Set this if you find stepping unreliable, or if using a very fast CPU.
-#define MINIMUM_STEPPER_PULSE 0 // (µs) The smallest stepper pulse allowed
+// 0 is OK for AVR, 0 is OK for A4989 drivers, 2 is needed for DRV8825 drivers
+#define MINIMUM_STEPPER_PULSE 2 // (µs)   DRV8825 on 32bit CPUs
 
 // @section temperature
 

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

 
 // The minimum pulse width (in µs) for stepping a stepper.
 // Set this if you find stepping unreliable, or if using a very fast CPU.
-#define MINIMUM_STEPPER_PULSE 0 // (µs) The smallest stepper pulse allowed
+// 0 is OK for AVR, 0 is OK for A4989 drivers, 2 is needed for DRV8825 drivers
+#define MINIMUM_STEPPER_PULSE 2 // (µs)   DRV8825 on 32bit CPUs
 
 // @section temperature
 

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

 
 // The minimum pulse width (in µs) for stepping a stepper.
 // Set this if you find stepping unreliable, or if using a very fast CPU.
-#define MINIMUM_STEPPER_PULSE 0 // (µs) The smallest stepper pulse allowed
+// 0 is OK for AVR, 0 is OK for A4989 drivers, 2 is needed for DRV8825 drivers
+#define MINIMUM_STEPPER_PULSE 2 // (µs)   DRV8825 on 32bit CPUs
 
 // @section temperature
 

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

 
 // The minimum pulse width (in µs) for stepping a stepper.
 // Set this if you find stepping unreliable, or if using a very fast CPU.
-#define MINIMUM_STEPPER_PULSE 0 // (µs) The smallest stepper pulse allowed
+// 0 is OK for AVR, 0 is OK for A4989 drivers, 2 is needed for DRV8825 drivers
+#define MINIMUM_STEPPER_PULSE 2 // (µs)   DRV8825 on 32bit CPUs
 
 // @section temperature
 

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

 
 // The minimum pulse width (in µs) for stepping a stepper.
 // Set this if you find stepping unreliable, or if using a very fast CPU.
-#define MINIMUM_STEPPER_PULSE 0 // (µs) The smallest stepper pulse allowed
+// 0 is OK for AVR, 0 is OK for A4989 drivers, 2 is needed for DRV8825 drivers
+#define MINIMUM_STEPPER_PULSE 2 // (µs)   DRV8825 on 32bit CPUs
 
 // @section temperature
 

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

 
 // The minimum pulse width (in µs) for stepping a stepper.
 // Set this if you find stepping unreliable, or if using a very fast CPU.
-#define MINIMUM_STEPPER_PULSE 0 // (µs) The smallest stepper pulse allowed
+// 0 is OK for AVR, 0 is OK for A4989 drivers, 2 is needed for DRV8825 drivers
+#define MINIMUM_STEPPER_PULSE 2 // (µs)   DRV8825 on 32bit CPUs
 
 // @section temperature
 

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

 
 // The minimum pulse width (in µs) for stepping a stepper.
 // Set this if you find stepping unreliable, or if using a very fast CPU.
-#define MINIMUM_STEPPER_PULSE 0 // (µs) The smallest stepper pulse allowed
+// 0 is OK for AVR, 0 is OK for A4989 drivers, 2 is needed for DRV8825 drivers
+#define MINIMUM_STEPPER_PULSE 2 // (µs)   DRV8825 on 32bit CPUs
 
 // @section temperature
 

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

 
 // The minimum pulse width (in µs) for stepping a stepper.
 // Set this if you find stepping unreliable, or if using a very fast CPU.
-#define MINIMUM_STEPPER_PULSE 0 // (µs) The smallest stepper pulse allowed
+// 0 is OK for AVR, 0 is OK for A4989 drivers, 2 is needed for DRV8825 drivers
+#define MINIMUM_STEPPER_PULSE 2 // (µs)   DRV8825 on 32bit CPUs
 
 // @section temperature
 

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

 
 // The minimum pulse width (in µs) for stepping a stepper.
 // Set this if you find stepping unreliable, or if using a very fast CPU.
-#define MINIMUM_STEPPER_PULSE 0 // (µs) The smallest stepper pulse allowed
+// 0 is OK for AVR, 0 is OK for A4989 drivers, 2 is needed for DRV8825 drivers
+#define MINIMUM_STEPPER_PULSE 2 // (µs)   DRV8825 on 32bit CPUs
 
 // @section temperature
 

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

 
 // The minimum pulse width (in µs) for stepping a stepper.
 // Set this if you find stepping unreliable, or if using a very fast CPU.
-#define MINIMUM_STEPPER_PULSE 0 // (µs) The smallest stepper pulse allowed
+// 0 is OK for AVR, 0 is OK for A4989 drivers, 2 is needed for DRV8825 drivers
+#define MINIMUM_STEPPER_PULSE 2 // (µs)   DRV8825 on 32bit CPUs
 
 // @section temperature
 

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

 
 // The minimum pulse width (in µs) for stepping a stepper.
 // Set this if you find stepping unreliable, or if using a very fast CPU.
-#define MINIMUM_STEPPER_PULSE 0 // (µs) The smallest stepper pulse allowed
+// 0 is OK for AVR, 0 is OK for A4989 drivers, 2 is needed for DRV8825 drivers
+#define MINIMUM_STEPPER_PULSE 2 // (µs)   DRV8825 on 32bit CPUs
 
 // @section temperature
 

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

 
 // The minimum pulse width (in µs) for stepping a stepper.
 // Set this if you find stepping unreliable, or if using a very fast CPU.
-#define MINIMUM_STEPPER_PULSE 0 // (µs) The smallest stepper pulse allowed
+// 0 is OK for AVR, 0 is OK for A4989 drivers, 2 is needed for DRV8825 drivers
+#define MINIMUM_STEPPER_PULSE 2 // (µs)   DRV8825 on 32bit CPUs
 
 // @section temperature
 

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

 
 // The minimum pulse width (in µs) for stepping a stepper.
 // Set this if you find stepping unreliable, or if using a very fast CPU.
-#define MINIMUM_STEPPER_PULSE 0 // (µs) The smallest stepper pulse allowed
+// 0 is OK for AVR, 0 is OK for A4989 drivers, 2 is needed for DRV8825 drivers
+#define MINIMUM_STEPPER_PULSE 2 // (µs)   DRV8825 on 32bit CPUs
 
 // @section temperature
 

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

 
 // The minimum pulse width (in µs) for stepping a stepper.
 // Set this if you find stepping unreliable, or if using a very fast CPU.
-#define MINIMUM_STEPPER_PULSE 0 // (µs) The smallest stepper pulse allowed
+// 0 is OK for AVR, 0 is OK for A4989 drivers, 2 is needed for DRV8825 drivers
+#define MINIMUM_STEPPER_PULSE 2 // (µs)   DRV8825 on 32bit CPUs
 
 // @section temperature
 

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

 
 // The minimum pulse width (in µs) for stepping a stepper.
 // Set this if you find stepping unreliable, or if using a very fast CPU.
-#define MINIMUM_STEPPER_PULSE 0 // (µs) The smallest stepper pulse allowed
+// 0 is OK for AVR, 0 is OK for A4989 drivers, 2 is needed for DRV8825 drivers
+#define MINIMUM_STEPPER_PULSE 2 // (µs)   DRV8825 on 32bit CPUs
 
 // @section temperature