mirror of https://github.com/rusefi/rusefi.git
80 lines
1.7 KiB
C++
80 lines
1.7 KiB
C++
#include "pch.h"
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#include "ac_control.h"
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#include "deadband.h"
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// Deadbands to prevent rapid switching on/off of AC
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static Deadband<200> maxRpmDeadband;
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static Deadband<5> maxCltDeadband;
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static Deadband<5> maxTpsDeadband;
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bool AcController::getAcState() {
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latest_usage_ac_control = getTimeNowS();
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auto rpm = Sensor::getOrZero(SensorType::Rpm);
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engineTooSlow = rpm < 500;
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if (engineTooSlow) {
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return false;
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}
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auto maxRpm = engineConfiguration->maxAcRpm;
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engineTooFast = maxRpm != 0 && maxRpmDeadband.gt(rpm, maxRpm);
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if (engineTooFast) {
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return false;
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}
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auto clt = Sensor::get(SensorType::Clt);
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noClt = !clt;
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// No AC with failed CLT
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if (noClt) {
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return false;
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}
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// Engine too hot, disable
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auto maxClt = engineConfiguration->maxAcClt;
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engineTooHot = (maxClt != 0) && maxCltDeadband.gt(clt.Value, maxClt);
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if (engineTooHot) {
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return false;
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}
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// TPS too high, disable
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auto maxTps = engineConfiguration->maxAcTps;
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tpsTooHigh = maxTps != 0 && maxTpsDeadband.gt(Sensor::getOrZero(SensorType::Tps1), maxTps);
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if (tpsTooHigh) {
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return false;
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}
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if (isDisabledByLua) {
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return false;
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}
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// All conditions allow AC, simply pass thru switch
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return acButtonState;
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}
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void AcController::onSlowCallback() {
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bool isEnabled = getAcState();
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m_acEnabled = isEnabled;
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if (!isEnabled) {
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// reset the timer if AC is off
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m_timeSinceNoAc.reset();
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}
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float acDelay = engineConfiguration->acDelay;
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if (acDelay == 0) {
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// Without delay configured, enable immediately
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acCompressorState = isEnabled;
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} else {
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acCompressorState = isEnabled && m_timeSinceNoAc.hasElapsedSec(acDelay);
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}
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enginePins.acRelay.setValue(acCompressorState);
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}
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bool AcController::isAcEnabled() const {
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return m_acEnabled;
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}
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