proxy_sensor.h

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/**
 * @file    proxy_sensor.h
 * @brief A sensor to duplicate a sensor to an additional SensorType.
 *
 * This was built for the use case of "driver throttle intent" where we care what the driver's
 * right foot is doing, but that might mean TPS (cable throttle) or pedal (electronic throttle).
 *
 * @date March 22, 2020
 * @author Matthew Kennedy, (c) 2019
 */
 
#pragma once
 
#include "sensor.h"
 
class ProxySensor final : public Sensor {
public:
    explicit ProxySensor(SensorType type) : Sensor(type) {}
 
    void setProxiedSensor(SensorType proxiedSensor) {
        m_proxiedSensor = proxiedSensor;
    }
 
    void showInfo(const char* sensorName) const override;
 
    bool isRedundant() const override {
        const Sensor *proxied = getSensorOfType(m_proxiedSensor);
        return proxied ? proxied->isRedundant() : false;
    }
 
    typedef SensorResult (*functionFunctionPtr)(SensorResult);
 
    void setConverter(functionFunctionPtr p_converter) {
        converter = p_converter;
    }
 
private:
    functionFunctionPtr converter = [](SensorResult arg) {
        return arg;
    };
 
    SensorResult get() const override {
        SensorResult proxiedValue = Sensor::get(m_proxiedSensor);
        return converter(proxiedValue);
    }
 
    bool hasSensor() const override {
        // query if the underlying sensor exists
        return Sensor::hasSensor(m_proxiedSensor);
    }
 
    SensorType m_proxiedSensor = SensorType::Invalid;
};