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https://github.com/infiniteCable2/panda.git
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d3904a9f75
* hitl fan test * enable cooldown on dos as well * small cleanup * get expected RPM from panda class * fix * overshoot test * fix max RPM getting * fix percentage * revert cooldown fix --------- Co-authored-by: Comma Device <device@comma.ai> Co-authored-by: Adeeb Shihadeh <adeebshihadeh@gmail.com>
43 lines
1.3 KiB
Python
43 lines
1.3 KiB
Python
import time
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import pytest
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from panda import Panda
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@pytest.mark.test_panda_types(Panda.INTERNAL_DEVICES)
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def test_fan_controller(p):
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for power in [50, 100]:
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p.set_fan_power(power)
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time.sleep(10)
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expected_rpm = Panda.MAX_FAN_RPMs[bytes(p.get_type())] * power / 100
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assert 0.95 * expected_rpm <= p.get_fan_rpm() <= 1.05 * expected_rpm
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@pytest.mark.test_panda_types(Panda.INTERNAL_DEVICES)
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def test_fan_cooldown(p):
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# if the fan cooldown doesn't work, we get high frequency noise on the tach line
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# while the rotor spins down. this makes sure it never goes beyond the expected max RPM
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p.set_fan_power(100)
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time.sleep(3)
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p.set_fan_power(0)
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for _ in range(5):
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assert p.get_fan_rpm() <= 7000
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time.sleep(0.5)
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@pytest.mark.test_panda_types(Panda.INTERNAL_DEVICES)
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def test_fan_overshoot(p):
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# make sure it's stopped completely
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p.set_fan_power(0)
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while p.get_fan_rpm() > 100:
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time.sleep(0.1)
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# set it to 30% power to mimic going onroad
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p.set_fan_power(30)
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max_rpm = 0
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for _ in range(50):
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max_rpm = max(max_rpm, p.get_fan_rpm())
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time.sleep(0.1)
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# tolerate 10% overshoot
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expected_rpm = Panda.MAX_FAN_RPMs[bytes(p.get_type())] * 30 / 100
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assert max_rpm <= 1.1 * expected_rpm, f"Fan overshoot: {(max_rpm / expected_rpm * 100) - 100:.1f}%"
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