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Add condition for frequency limit - fixes issues with laser #16125

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Add condition for frequency limit - fixes issues with laser #16125

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8 changes: 8 additions & 0 deletions Marlin/Configuration_adv.h
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Original file line number Diff line number Diff line change
Expand Up @@ -320,6 +320,14 @@
#define TEMP_SENSOR_AD8495_OFFSET 0.0
#define TEMP_SENSOR_AD8495_GAIN 1.0

/**
*
* Limit check_axes_activity frequency to 10Hz
* Affects M106
* Undefine this if laser engraving with M106 produces blurry results
*/
// #define LIMIT_FREQUENCY

/**
* Controller Fan
* To cool down the stepper drivers and MOSFETs.
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14 changes: 9 additions & 5 deletions Marlin/src/Marlin.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -608,12 +608,16 @@ void manage_inactivity(const bool ignore_stepper_queue/*=false*/) {
L6470.monitor_driver();
#endif

// Limit check_axes_activity frequency to 10Hz
static millis_t next_check_axes_ms = 0;
if (ELAPSED(ms, next_check_axes_ms)) {
// Limit check_axes_activity frequency to 10Hz
#if ENABLED(LIMIT_FREQUENCY)
static millis_t next_check_axes_ms = 0;
if (ELAPSED(ms, next_check_axes_ms)) {
planner.check_axes_activity();
next_check_axes_ms = ms + 100UL;
}
#else
planner.check_axes_activity();
next_check_axes_ms = ms + 100UL;
}
#endif

#if PIN_EXISTS(FET_SAFETY)
static millis_t FET_next;
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