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PFW-1386 st_get_position_mm() is more accurate when using endstops (not homed printer) 

If the endstops kick in, then st_get_position_mm shows the actual travel distance. current_position[Z-AXIS] does not get updated correctly thus we cannot use it when unhomed.

current_position[Z-AXIS] is later set to Z_MAX_POS,
we cannot use that either to calculate the travel distance
This commit is contained in:
Guðni Már Gilbert 2022-08-30 20:53:19 +00:00 committed by D.R.racer
parent f409426bdc
commit 2616df66af
1 changed files with 1 additions and 1 deletions
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2
Firmware/Marlin_main.cpp
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@ -2128,7 +2128,7 @@ float raise_z(float delta)
st_synchronize(); st_synchronize();
// Get the final travel distance // Get the final travel distance
travel_z = current_position[Z_AXIS] - travel_z; travel_z = st_get_position_mm(Z_AXIS) - travel_z;
#ifdef TMC2130 #ifdef TMC2130
if (endstop_z_hit_on_purpose()) if (endstop_z_hit_on_purpose())
{ {