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1okko
44 lines
1.1 KiB
Python
44 lines
1.1 KiB
Python
import time
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from panda.tests.hitl.base import PandaTestCase, panda_test
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from panda import Panda
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MAX_RPM = 5000
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class TestInternal(PandaTestCase):
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panda_types = Panda.INTERNAL_DEVICES
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@panda_test(timeout=2*60)
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def test_fan_curve(self):
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p = self.p
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# ensure fan curve is (roughly) linear
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rpms = []
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for power in (30, 70, 100):
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# wait until fan spins up
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p.set_fan_power(power)
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for _ in range(20):
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time.sleep(1)
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if p.get_fan_rpm() > 1000:
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break
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time.sleep(2) # wait for RPM to converge
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rpms.append(p.get_fan_rpm())
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print(rpms)
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diffs = [b - a for a, b in zip(rpms, rpms[1:])]
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assert all(x > 0 for x in diffs), f"Fan RPMs not strictly increasing: {rpms=}"
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assert rpms[-1] > (0.75*MAX_RPM)
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def test_fan_cooldown(self):
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p = self.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() <= MAX_RPM*2
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time.sleep(0.5)
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