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forked from M-Labs/thermostat
thermostat/pythermostat/test.py

82 lines
2.5 KiB
Python

import argparse
from contextlib import contextmanager
from pythermostat.client import Client
CHANNELS = 2
def get_argparser():
parser = argparse.ArgumentParser(description="Thermostat hardware testing script")
parser.add_argument("host", metavar="HOST", default="192.168.1.26", nargs="?")
parser.add_argument("port", metavar="PORT", default=23, nargs="?")
parser.add_argument(
"-r",
"--testing_resistance",
default=10_000,
help="Testing resistance value through SENS pin in Ohms",
)
parser.add_argument(
"-d",
"--deviation",
default=1,
help="Allowed deviation of resistance in percentage",
)
return parser
def main():
args = get_argparser().parse_args()
min_allowed_resistance = args.testing_resistance * (1 - args.deviation / 100)
max_allowed_resistance = args.testing_resistance * (1 + args.deviation / 100)
print(min_allowed_resistance, max_allowed_resistance)
thermostat = Client(args.host, args.port)
for channel in range(CHANNELS):
print(f"Channel {channel} is active")
print("Checking resistance through SENS input ....", end=" ")
sens_resistance = thermostat.get_report()[channel]["sens"]
if sens_resistance is not None:
print(sens_resistance, "Ω")
if min_allowed_resistance <= sens_resistance <= max_allowed_resistance:
print("PASSED")
else:
print("FAILED")
else:
print("Floating SENS input! Is the channel connected?")
with preserve_thermostat_output_settings(thermostat, channel):
test_output_settings = {
"max_i_pos": 2,
"max_i_neg": 2,
"max_v": 4,
"i_set": 0.1,
"polarity": "normal",
}
for field, value in test_output_settings.items():
thermostat.set_param("output", channel, field, value)
input(f"Check if channel {channel} current = 0.1 A, and press ENTER...")
input(f"Channel {channel} testing done, press ENTER to continue.")
print()
print("Testing complete.")
@contextmanager
def preserve_thermostat_output_settings(client, channel):
original_output_settings = client.get_output()[channel]
yield original_output_settings
for setting in "max_i_pos", "max_i_neg", "max_v", "i_set", "polarity":
client.set_param("output", channel, setting, original_output_settings[setting])
if __name__ == "__main__":
main()