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Fix TMC_HOME_PHASE divide by zero (#20368)

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Jason Smith 2020-12-04 21:58:39 -08:00 committed by Scott Lahteine
parent 3327568142
commit eb254ef70b
1 changed files with 5 additions and 3 deletions
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8
Marlin/src/module/motion.cpp
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@ -1466,10 +1466,12 @@ void set_axis_never_homed(const AxisEnum axis) {
effectorBackoutDir, // Direction in which the effector mm coordinates move away from endstop.
stepperBackoutDir; // Direction in which the TMC µstep count(phase) move away from endstop.
#define PHASE_PER_MICROSTEP(N) (256 / _MAX(1, N##_MICROSTEPS))
switch (axis) {
#ifdef X_MICROSTEPS
case X_AXIS:
phasePerUStep = 256 / (X_MICROSTEPS);
phasePerUStep = PHASE_PER_MICROSTEP(X);
phaseCurrent = stepperX.get_microstep_counter();
effectorBackoutDir = -X_HOME_DIR;
stepperBackoutDir = INVERT_X_DIR ? effectorBackoutDir : -effectorBackoutDir;
@ -1477,7 +1479,7 @@ void set_axis_never_homed(const AxisEnum axis) {
#endif
#ifdef Y_MICROSTEPS
case Y_AXIS:
phasePerUStep = 256 / (Y_MICROSTEPS);
phasePerUStep = PHASE_PER_MICROSTEP(Y);
phaseCurrent = stepperY.get_microstep_counter();
effectorBackoutDir = -Y_HOME_DIR;
stepperBackoutDir = INVERT_Y_DIR ? effectorBackoutDir : -effectorBackoutDir;
@ -1485,7 +1487,7 @@ void set_axis_never_homed(const AxisEnum axis) {
#endif
#ifdef Z_MICROSTEPS
case Z_AXIS:
phasePerUStep = 256 / (Z_MICROSTEPS);
phasePerUStep = PHASE_PER_MICROSTEP(Z);
phaseCurrent = stepperZ.get_microstep_counter();
effectorBackoutDir = -Z_HOME_DIR;
stepperBackoutDir = INVERT_Z_DIR ? effectorBackoutDir : -effectorBackoutDir;