🐛 Prevent BABYSTEP freeze

See MarlinFirmware#22830, MarlinFirmware#13300
LCh-77 · May 11, 2022 · 4af2906 · 4af2906
1 parent 92ef3ed
commit 4af2906
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/Marlin/src/module/stepper.cpp b/Marlin/src/module/stepper.cpp
@@ -3072,7 +3072,12 @@ void Stepper::report_positions() {
   #else
     #define CYCLES_EATEN_BABYSTEP 0
   #endif
-  #define EXTRA_CYCLES_BABYSTEP (STEP_PULSE_CYCLES - (CYCLES_EATEN_BABYSTEP))
+
+  #if CYCLES_EATEN_BABYSTEP < STEP_PULSE_CYCLES
+    #define EXTRA_CYCLES_BABYSTEP (STEP_PULSE_CYCLES - (CYCLES_EATEN_BABYSTEP))
+  #else
+    #define EXTRA_CYCLES_BABYSTEP 0
+  #endif
 
   #if EXTRA_CYCLES_BABYSTEP > 20
     #define _SAVE_START() const hal_timer_t pulse_start = HAL_timer_get_count(MF_TIMER_PULSE)