mirror of
https://github.com/openglow-org/forgefirm.git
synced 2026-09-28 09:11:11 -07:00
69 lines
2.1 KiB
Python
69 lines
2.1 KiB
Python
#!/usr/bin/env python3
|
|
# Copyright 2026 514 LLC d/b/a OpenGlow
|
|
# Written by Scott Wiederhold
|
|
# https://community.openglow.org
|
|
# SPDX-License-Identifier: MIT
|
|
"""Fan/coolant bench: snapshots the fan PWMs, tachs and coolant readings,
|
|
drives M8 (cut-profile fans), then M9 (cooldown -> idle), and prints
|
|
each snapshot for the tach readbacks to be judged. Needs the controller
|
|
running with forgectrl's cooling engine. Runs on the board or from a
|
|
host (gfbench: GF_HOST)."""
|
|
import socket
|
|
import time
|
|
|
|
from gfbench import HOST, board as _board, degc
|
|
|
|
|
|
def board(cmd):
|
|
return _board(cmd).strip().replace('\n', ' ')
|
|
|
|
|
|
ATTRS = ('head/air_assist_pwm head/air_assist_tach head/purge_air '
|
|
'thermal/exhaust_pwm thermal/tach_exhaust '
|
|
'thermal/intake_pwm thermal/tach_intake_1 thermal/tach_intake_2 '
|
|
'thermal/water_pump_on thermal/tec_on pic/water_temp_1 pic/water_temp_2')
|
|
|
|
def snap(tag):
|
|
vals = board('cd /sys/glowforge && cat ' + ATTRS).split()
|
|
keys = [a.split('/')[-1] for a in ATTRS.split()]
|
|
print(tag)
|
|
for k, v in zip(keys, vals):
|
|
print(' %-18s %s' % (k, v))
|
|
|
|
s = socket.create_connection((HOST, 23), timeout=5)
|
|
s.settimeout(0.15)
|
|
def drain():
|
|
out = b''
|
|
try:
|
|
while True:
|
|
d = s.recv(4096)
|
|
if not d: break
|
|
out += d
|
|
except socket.timeout: pass
|
|
return out.decode('ascii', 'replace')
|
|
def cmd(l, w=0.4):
|
|
s.sendall(l.encode() + b'\n'); time.sleep(w); return drain().strip()
|
|
|
|
time.sleep(0.5); drain()
|
|
|
|
snap('--- baseline (driver idle profile)')
|
|
w2 = board('cat /sys/glowforge/pic/water_temp_2')
|
|
print('water_temp_2 = %s -> %.1f C' % (w2, degc(w2)))
|
|
|
|
print()
|
|
print('=== M8: cut-profile fans ON (loud) ===')
|
|
print('M8:', cmd('M8'))
|
|
time.sleep(4) # spin-up
|
|
snap('--- during M8')
|
|
|
|
print()
|
|
print('=== M9: cooldown (fans stay on ~15 s) ===')
|
|
print('M9:', cmd('M9'))
|
|
time.sleep(3)
|
|
snap('--- during cooldown (should still be at run values)')
|
|
time.sleep(14) # past the 15 s cooldown
|
|
snap('--- after cooldown (should be idle: AA 204, EF 0, IF 0)')
|
|
s.sendall(b'?'); time.sleep(0.3)
|
|
t = drain()
|
|
print('grbl:', t[t.rfind('<'):t.rfind('>') + 1] if '<' in t else t)
|