3D-printing/klipper
1
0
Fork 0
mirror of https://github.com/Klipper3d/klipper.git synced 2025-08-07 14:04:17 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions 3

delta_calibrate: Perform coordinate descent in a background process

Browse source 
Run the coordinate descent in a background process so that the main
thread does not block.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2018-10-15 18:52:28 -04:00
parent 46355f903e
commit 368703fd78
2 changed files with 30 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

9
klippy/extras/delta_calibrate.py
View file

@ -216,12 +216,7 @@ class DeltaCalibrate:
adj_params += ('arm_a', 'arm_b', 'arm_c')
z_weight = len(distances) / (MEASURE_WEIGHT * len(probe_positions))
# Perform coordinate descent
call_count = [0]
def delta_errorfunc(params):
call_count[0] += 1
if not call_count[0] % 1000:
self.gcode.respond_info("Working on calibration...")
self.printer.get_reactor().pause(0.)
# Build new delta_params for params under test
delta_params = build_delta_params(params)
# Calculate z height errors
@ -237,8 +232,8 @@ class DeltaCalibrate:
d = math.sqrt((x1-x2)**2 + (y1-y2)**2 + (z1-z2)**2)
total_error += (d - dist)**2
return total_error
new_params = mathutil.coordinate_descent(
adj_params, params, delta_errorfunc)
new_params = mathutil.background_coordinate_descent(
self.printer, adj_params, params, delta_errorfunc)
# Log and report results
logging.info("Calculated delta_calibrate parameters: %s", new_params)
new_delta_params = build_delta_params(new_params)