PID control

Set PID parameters, calculate output from the measured value and setpoint, and inspect the state.

• IpidSet() — Sets PID coefficients, calculation interval and output range.
• IpidRun() — Calculates the PID output from the current value and setpoint.
• IpidReset() — Resets the PID integral value and internal state.
• IpidReverse() — Selects direct or reverse PID action.
• IpidItermLimit() — Limits the minimum and maximum of the PID integral term.
• IpidOutput() — Returns the last calculated PID output value.

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