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