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Run the depth witness under either dose model

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The dpatch drill reads laser_power_model and runs row B at 100/80/60/45/30
percent duty under analog, with the thermopile labels from the analog ladder,
so the analog dose response can be judged on material the same way as the
density one. The report names the model's unit in every line.

Bench-only tool; no acceptance catalog consequence.
This commit is contained in:
ScottW514
2026-08-30 14:08:34 -04:00
parent cd00b0d16f
commit f88c7784d4
2 changed files with 31 additions and 23 deletions
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scripts/bench/live_fire_drills.py
+30 -22
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@@ -96,14 +96,16 @@ Drills (pass a name):
nonzero again after its first zero past the line. Prints the
9 s after the line at 40 ms steps. The catalog's
laser.m5-rapid-dark is its port.
dpatch Depth witness for the density curve: two rows of small
engraved patches (serpentine G1 fills) on the stock. Row A
is CW (S1000) at feeds giving relative doses 1.0 to 0.25;
row B is density 100/80/60/45/30 %% at F600. Match each
row-B patch to the row-A patch of equal depth by eye: that
reads the density's light fraction off the material, next
to what the thermopile says it should be. Samples sysfs at
25 Hz like pcurve; JSON record in the bench data directory.
dpatch Depth witness for the dose curve of the configured
laser_power_model: two rows of small engraved patches
(serpentine G1 fills) on the stock. Row A is CW (S1000) at
feeds giving relative doses 1.0 to 0.25 of the reference
feed; row B is 100/80/60/45/30 %% density or duty at the
reference feed. Match each row-B patch to the row-A patch
of equal depth by eye: that reads the model's light
fraction off the material, next to what the thermopile
says it should be. Samples sysfs at 25 Hz like pcurve;
JSON record in the bench data directory.
dpatch [F] [pitch] [length] e.g. dpatch 1500 0.3 30
flowload Cooling under laser load, one armed run per invocation, the
conf keys it writes put back when the run ends; the pump is
@@ -1373,8 +1375,11 @@ DPATCH_SETTLE_S = 2.0 # laser off before each patch
# re-check (cool_flow_recheck_s, 150 s by default) has to be pushed past
# the run's length for the session, or it lands on a patch the same way.
DPATCH_ARM_DWELL_S = 60.0
# The period-20 thermopile curve, light as a fraction of CW, for the labels.
# The thermopile curves, light as a fraction of CW, for the labels: the
# period-20 density ladder (E3) and the analog duty ladder (E1, whose
# means above 50 % duty did not settle inside a line, so they are a prior).
DPATCH_TP_P20 = {100: 1.0, 80: 0.53, 60: 0.37, 45: 0.21, 30: 0.07}
DPATCH_TP_ANALOG = {100: 1.0, 80: 0.72, 60: 0.52, 45: 0.37, 30: 0.07}
def dpatch_gcode(feed, width, pitch, n):
@@ -1400,20 +1405,23 @@ def drill_dpatch(g):
print('usage: dpatch [F mm/min >= 60] [pitch 0.05..2 mm] [length 5..200 mm]')
return 2
model = conf_get('laser_power_model') or 'density'
if model != 'density':
print('this witness is for the density model (laser_power_model is %s)' % model)
if model not in ('density', 'analog'):
print('unknown laser_power_model %s' % model)
return 2
tp_curve = DPATCH_TP_P20 if model == 'density' else DPATCH_TP_ANALOG
unit = 'density' if model == 'density' else 'duty'
levels, (rpm_max, rpm_min, floor, ceil) = pcurve_levels(g, DPATCH_DENSITY_PCT)
if levels is None:
print('PRECONDITION FAILED: cannot read $30/$31/$35/$36 (%s/%s/%s/%s)'
% (rpm_max, rpm_min, floor, ceil))
return 2
n_lines = int(round(DPATCH_H / pitch))
period = conf_get('laser_pulse_ticks') or 'driver default'
print('=== depth witness: CW patches at speed against density patches at F%d ==='
% feed_ref)
print('mapping: $30=%g $31=%g $35=%g $36=%g; density base period %s ticks'
% (rpm_max, rpm_min, floor, ceil, period))
period = (conf_get('laser_pulse_ticks') or 'driver default') if model == 'density' else None
print('=== depth witness: CW patches at speed against %s patches at F%d ==='
% (unit, feed_ref))
print('mapping: $30=%g $31=%g $35=%g $36=%g; model %s%s'
% (rpm_max, rpm_min, floor, ceil, model,
(', base period %s ticks' % period) if period else ''))
patches = []
for dose in DPATCH_CW_DOSES:
feed = int(round(feed_ref / dose))
@@ -1422,9 +1430,9 @@ def drill_dpatch(g):
'label': 'CW, dose %.2f' % dose})
for pct, sval, level in levels:
patches.append({'row': 'B', 'pct': pct, 's': sval, 'feed': feed_ref,
'dose': None, 'tp_says': DPATCH_TP_P20.get(pct),
'label': '%d%% density (level %.2f%%), thermopile says %.2f of CW'
% (pct, 100.0 * level, DPATCH_TP_P20.get(pct, float('nan')))})
'dose': None, 'tp_says': tp_curve.get(pct),
'label': '%d%% %s (level %.2f%%), thermopile says %.2f of CW'
% (pct, unit, 100.0 * level, tp_curve.get(pct, float('nan')))})
n_a = len(DPATCH_CW_DOSES)
print('patches %g x %g mm, %d lines at %g mm pitch, %g mm apart along +X;'
% (width, DPATCH_H, n_lines, pitch, DPATCH_GAP_X))
@@ -1536,10 +1544,10 @@ def drill_dpatch(g):
if p['row'] != 'B' or p['tp_says'] is None:
continue
nearest = min(doses, key=lambda d: abs(d[0] - p['tp_says'])) if doses else None
print(' B%d (%d%% density): the thermopile says it should match A%d (dose %.2f); '
print(' B%d (%d%% %s): the thermopile says it should match A%d (dose %.2f); '
'deeper than that and the tube gives more than the sensor reads'
% (i + 1, p['pct'], nearest[1], nearest[0]) if nearest else
' B%d (%d%% density): no row A to match' % (i + 1, p['pct']))
% (i + 1, p['pct'], unit, nearest[1], nearest[0]) if nearest else
' B%d (%d%% %s): no row A to match' % (i + 1, p['pct'], unit))
record = {
'drill': 'dpatch', 'date': time.strftime('%Y-%m-%dT%H:%M:%S'),
'model': model, 'period': period, 'feed_ref': feed_ref,