mirror of https://github.com/rusefi/rusefi-1.git
109 lines
3.8 KiB
C++
109 lines
3.8 KiB
C++
/*
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* test_fuelCut.cpp
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*
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* Created on: Mar 22, 2018
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*/
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#include "engine_math.h"
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#include "test_fuelCut.h"
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#include "test_trigger_decoder.h"
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#include "event_queue.h"
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#include "unit_test_framework.h"
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#include "tps.h"
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extern EventQueue schedulingQueue;
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extern int timeNowUs;
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extern EnginePins enginePins;
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void testCoastingFuelCut() {
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// this is just a reference unit test implementation
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printf("*************************************************** testCoastingFuelCut\r\n");
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EngineTestHelper eth(TEST_ENGINE);
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EXPAND_EngineTestHelper
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// configure coastingFuelCut
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engineConfiguration->bc.coastingFuelCutEnabled = true;
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engineConfiguration->coastingFuelCutRpmLow = 1300;
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engineConfiguration->coastingFuelCutRpmHigh = 1500;
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engineConfiguration->coastingFuelCutTps = 2;
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engineConfiguration->coastingFuelCutClt = 30;
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engineConfiguration->coastingFuelCutMap = 100;
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// set cranking threshold
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engineConfiguration->cranking.rpm = 999;
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// configure TPS
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eth.engine.engineConfiguration->tpsMin = 0;
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eth.engine.engineConfiguration->tpsMax = 10;
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// basic engine setup
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setupSimpleTestEngineWithMafAndTT_ONE_trigger(ð);
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// mock CLT - just above threshold ('hot engine')
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float hotClt = engine->sensors.clt = engineConfiguration->coastingFuelCutClt + 1;
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// mock TPS - throttle is opened
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setMockTpsPosition(6);
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// set 'running' RPM - just above RpmHigh threshold
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engine->rpmCalculator.mockRpm = engineConfiguration->coastingFuelCutRpmHigh + 1;
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// 'advance' time (amount doesn't matter)
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timeNowUs += 1000;
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const float normalInjDuration = 1.5f;
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/*
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* We need to pass through all rpm changes (high-mid-low-mid-high) because of state-machine
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*/
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// process
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eth.engine.periodicFastCallback(PASS_ENGINE_PARAMETER_SIGNATURE);
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// this is normal injection mode (the throttle is opened), no fuel cut-off
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assertEqualsM("inj dur#1 norm", normalInjDuration, ENGINE(injectionDuration));
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// 'releasing' the throttle
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setMockTpsPosition(0);
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eth.engine.periodicFastCallback(PASS_ENGINE_PARAMETER_SIGNATURE);
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// Fuel cut-off is enabled now
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assertEqualsM("inj dur#2 cut", 0.0f, ENGINE(injectionDuration));
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// Now drop the CLT below threshold
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engine->sensors.clt = engineConfiguration->coastingFuelCutClt - 1;
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eth.engine.periodicFastCallback(PASS_ENGINE_PARAMETER_SIGNATURE);
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// Fuel cut-off should be diactivated - the engine is 'cold'
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assertEqualsM("inj dur#3 clt", normalInjDuration, ENGINE(injectionDuration));
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// restore CLT
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engine->sensors.clt = hotClt;
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// And set RPM - somewhere between RpmHigh and RpmLow threshold
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engine->rpmCalculator.mockRpm = (engineConfiguration->coastingFuelCutRpmHigh + engineConfiguration->coastingFuelCutRpmLow) / 2;
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eth.engine.periodicFastCallback(PASS_ENGINE_PARAMETER_SIGNATURE);
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// Fuel cut-off is enabled - nothing should change
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assertEqualsM("inj dur#4 mid", normalInjDuration, ENGINE(injectionDuration));
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// Now drop RPM just below RpmLow threshold
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engine->rpmCalculator.mockRpm = engineConfiguration->coastingFuelCutRpmLow - 1;
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eth.engine.periodicFastCallback(PASS_ENGINE_PARAMETER_SIGNATURE);
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// Fuel cut-off is now disabled (the engine is idling)
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assertEqualsM("inj dur#5 idle", normalInjDuration, ENGINE(injectionDuration));
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// Now change RPM just below RpmHigh threshold
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engine->rpmCalculator.mockRpm = engineConfiguration->coastingFuelCutRpmHigh - 1;
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eth.engine.periodicFastCallback(PASS_ENGINE_PARAMETER_SIGNATURE);
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// Fuel cut-off is still disabled
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assertEqualsM("inj dur#6 mid", normalInjDuration, ENGINE(injectionDuration));
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// Now set RPM just above RpmHigh threshold
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engine->rpmCalculator.mockRpm = engineConfiguration->coastingFuelCutRpmHigh + 1;
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eth.engine.periodicFastCallback(PASS_ENGINE_PARAMETER_SIGNATURE);
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// Fuel cut-off is active again!
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assertEqualsM("inj dur#7 cut", 0.0f, ENGINE(injectionDuration));
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}
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void testFuelCut() {
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testCoastingFuelCut();
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}
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