Diagnostic result from one fan fault-monitor evaluation.
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#include <fault_monitor.h>
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uint8_t | commandedPwmPercent |
| | Current fan PWM command in percent.
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uint16_t | measuredRpm |
| | Latest measured fan speed.
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uint16_t | expectedRpm |
| | Expected RPM from the fan curve.
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uint16_t | toleranceRpm |
| | Allowed absolute RPM deviation.
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int16_t | rpmError |
| | Measured RPM minus expected RPM.
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bool | plausibilityActive |
| | True when the PWM and settling delay allow checking.
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bool | plausible |
| | True when measured RPM is inside tolerance.
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bool | faultLatched |
| | True while the monitor has latched a fan fault.
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uint8_t | mismatchCount |
| | Consecutive implausible sample count.
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uint8_t | matchCount |
| | Consecutive plausible sample count while recovering.
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uint32_t | elapsedSincePwmChangeMs |
| | Elapsed time since the PWM command changed.
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Diagnostic result from one fan fault-monitor evaluation.
This snapshot is designed for both telemetry and policy decisions. It exposes the raw RPM comparison, counter state, and latch state so a user can see whether a fan alarm is caused by an active mismatch or by a fault that is still recovering.
The documentation for this struct was generated from the following file:
