mirror of https://github.com/rusefi/rusefi.git
54 lines
1.6 KiB
C++
54 lines
1.6 KiB
C++
#include "pch.h"
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#include "redundant_ford_tps.h"
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RedundantFordTps::RedundantFordTps(SensorType outputType, SensorType first, SensorType second)
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: Sensor(outputType)
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, m_first(first)
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, m_second(second)
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{
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}
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void RedundantFordTps::configure(float maxDifference, float secondaryMaximum) {
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m_maxDifference = maxDifference;
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m_secondaryMaximum = secondaryMaximum;
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}
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SensorResult RedundantFordTps::get() const {
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// Sensor 1 is "plain linear" and has the full range
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auto tps1 = Sensor::get(m_first);
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// Sensor 2 is compressed in to 0 -> 50%
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auto tps2 = Sensor::get(m_second);
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// If either result is invalid, return invalid.
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if (!tps1 || !tps2) {
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return UnexpectedCode::Inconsistent;
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}
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// The "actual" position resolved by the second throttle - this tops out at m_secondaryMaximum instead of 100%
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float tps2Actual = tps2.Value * m_secondaryMaximum / 100;
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// Switch modes slightly below the maximum of the secondary, to avoid misbehavior near 100%
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float avgThreshold = m_secondaryMaximum * 0.9f;
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// Case 1: both sensors show low position, average result
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if (tps1.Value < avgThreshold && tps2Actual < avgThreshold) {
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// Check that the resolved positions are close
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float delta = absF(tps1.Value - tps2Actual);
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if (delta > m_maxDifference) {
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return UnexpectedCode::Inconsistent;
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}
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return (tps1.Value + tps2Actual) / 2;
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}
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// Case 2: both sensors show high position, return "full scale" sensor's position
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if (tps1.Value > avgThreshold && tps2Actual > (avgThreshold - 3)) {
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return tps1;
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}
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// Any other condition indicates an mismatch, and therefore an error
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return UnexpectedCode::Inconsistent;
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}
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