ignition_controller.cpp

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#include "pch.h"
 
bool isIgnVoltage() {
  return Sensor::getOrZero(SensorType::BatteryVoltage) > 5;
}
 
void IgnitionController::onSlowCallback() {
    // default to 0 if failed sensor to prevent accidental ign-on if battery
    // input misconfigured (or the ADC hasn't started yet)
    auto hasIgnVoltage = isIgnVoltage();
 
    if (hasIgnVoltage) {
        m_timeSinceIgnVoltage.reset();
    }
 
    if (hasIgnVoltage == m_lastState) {
        // nothing to do, states match
        return;
    }
 
    // Ignore low voltage transients - we may see this at the start of cranking
    // and we don't want to
    if (!hasIgnVoltage && !m_timeSinceIgnVoltage.hasElapsedSec(0.2f)) {
        return;
    }
 
    // Store state and notify other modules of the change
    m_lastState = hasIgnVoltage;
    engine->engineModules.apply_all([&](auto& m) { m.onIgnitionStateChanged(hasIgnVoltage); });
}