mirror of
https://github.com/openglow-org/forgefirm.git
synced 2026-09-28 01:01:12 -07:00
27 lines
768 B
Python
27 lines
768 B
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
|
|
"""Board-side coolant sampler: prints 'elapsed,raw_down,raw_up' lines.
|
|
Usage: flow_sampler.py <duration_s> <interval_s>
|
|
Kept on the board so sampling cadence is not at the mercy of ssh
|
|
round-trip latency."""
|
|
import sys
|
|
import time
|
|
|
|
dur = float(sys.argv[1])
|
|
iv = float(sys.argv[2])
|
|
t0 = time.time()
|
|
|
|
while True:
|
|
el = time.time() - t0
|
|
if el > dur:
|
|
break
|
|
with open('/sys/glowforge/pic/water_temp_1') as f:
|
|
r1 = f.read().strip()
|
|
with open('/sys/glowforge/pic/water_temp_2') as f:
|
|
r2 = f.read().strip()
|
|
print('%.2f,%s,%s' % (el, r1, r2), flush=True)
|
|
time.sleep(iv)
|