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adjust nb2 vvt sync (#3019) 

* test existing implementation

* nb2 vvt pattern sync

* update test
This commit is contained in:
Matthew Kennedy 2021-07-21 17:07:28 -07:00 committed by GitHub
parent a8afb6eb85
commit d520d12490
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 25 additions and 18 deletions
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8
firmware/controllers/trigger/decoders/trigger_mazda.cpp
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@ -180,14 +180,16 @@ void configureMazdaProtegeLx(TriggerWaveform *s) {
void initializeMazdaMiataVVtCamShape(TriggerWaveform *s) {
s->initialize(FOUR_STROKE_CAM_SENSOR);
s->setTriggerSynchronizationGap2(8.50 * TRIGGER_GAP_DEVIATION_LOW, 14.0);
// Nominal gap is 8.92
s->setTriggerSynchronizationGap2(7, 13);
// Nominal gap is 0.128
s->setSecondTriggerSynchronizationGap2(0.06f, 0.16f);
s->addEvent720(325, T_PRIMARY, TV_FALL);
s->addEvent720(360, T_PRIMARY, TV_RISE);
s->addEvent720(641, T_PRIMARY, TV_FALL);
s->addEvent720(677, T_PRIMARY, TV_RISE);
s->addEvent720(679, T_PRIMARY, TV_RISE);
s->addEvent720(700, T_PRIMARY, TV_FALL);
s->addEvent720(720, T_PRIMARY, TV_RISE);

33
unit_tests/tests/trigger/test_cam_vvt_input.cpp
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@ -128,14 +128,14 @@ TEST(trigger, testNB2CamInput) {
engineConfiguration->useOnlyRisingEdgeForTrigger = true;
ASSERT_EQ( 0, GET_RPM()) << "testNB2CamInput RPM";
ASSERT_EQ( 0, GET_RPM());
for (int i = 0; i < 7;i++) {
eth.fireRise(25);
ASSERT_EQ( 0, GET_RPM()) << "testNB2CamInput RPM";
ASSERT_EQ( 0, GET_RPM());
}
eth.fireRise(25);
// first time we have RPM
ASSERT_EQ(1200, GET_RPM()) << "testNB2CamInput RPM";
ASSERT_EQ(1200, GET_RPM());
int totalRevolutionCountBeforeVvtSync = 10;
// need to be out of VVT sync to see VVT sync in action
@ -146,34 +146,39 @@ TEST(trigger, testNB2CamInput) {
eth.moveTimeForwardUs(MS2US(3)); // shifting VVT phase a few angles
// this would be ignored since we only consume the other kind of fronts here
hwHandleVvtCamSignal(TV_FALL, getTimeNowNt(), 0 PASS_ENGINE_PARAMETER_SUFFIX);
eth.moveTimeForwardUs(MS2US(20));
// this would be be first VVT signal - gap duration would be calculated against 'DEEP_IN_THE_PAST_SECONDS' initial value
hwHandleVvtCamSignal(TV_RISE, getTimeNowNt(), 0 PASS_ENGINE_PARAMETER_SUFFIX);
// first gap - long
eth.moveTimeForwardUs(MS2US(130));
hwHandleVvtCamSignal(TV_FALL, getTimeNowNt(), 0 PASS_ENGINE_PARAMETER_SUFFIX);
eth.moveTimeForwardUs(MS2US( 30));
hwHandleVvtCamSignal(TV_RISE, getTimeNowNt(), 0 PASS_ENGINE_PARAMETER_SUFFIX);
// second gap - short
eth.moveTimeForwardUs(MS2US(10));
hwHandleVvtCamSignal(TV_FALL, getTimeNowNt(), 0 PASS_ENGINE_PARAMETER_SUFFIX);
eth.moveTimeForwardUs(MS2US(10));
// this second important front would give us first real VVT gap duration
hwHandleVvtCamSignal(TV_RISE, getTimeNowNt(), 0 PASS_ENGINE_PARAMETER_SUFFIX);
ASSERT_FLOAT_EQ(0, engine->triggerCentral.getVVTPosition(0, 0));
ASSERT_EQ(totalRevolutionCountBeforeVvtSync, engine->triggerCentral.triggerState.getTotalRevolutionCounter());
eth.moveTimeForwardUs(MS2US(100));
// Third gap - long
eth.moveTimeForwardUs(MS2US(130));
hwHandleVvtCamSignal(TV_FALL, getTimeNowNt(), 0 PASS_ENGINE_PARAMETER_SUFFIX);
eth.moveTimeForwardUs(MS2US( 30));
// this third important front would give us first comparison between two real gaps
hwHandleVvtCamSignal(TV_RISE, getTimeNowNt(), 0 PASS_ENGINE_PARAMETER_SUFFIX);
ASSERT_NEAR(-67.6, engine->triggerCentral.getVVTPosition(0, 0), EPS3D);
EXPECT_NEAR(148.4f, engine->triggerCentral.getVVTPosition(0, 0), EPS3D);
// actually position based on VVT!
ASSERT_EQ(totalRevolutionCountBeforeVvtSync + 2, engine->triggerCentral.triggerState.getTotalRevolutionCounter());
float dutyCycleNt = engine->triggerCentral.vvtState[0][0].currentCycle.totalTimeNtCopy[0];
ASSERT_FLOAT_EQ(6'000'000, dutyCycleNt);
ASSERT_FLOAT_EQ(0.059722222, engine->triggerCentral.vvtShape[0].expectedDutyCycle[0]);
EXPECT_FLOAT_EQ(27'000'000, dutyCycleNt);
EXPECT_FLOAT_EQ(0.056944445f, engine->triggerCentral.vvtShape[0].expectedDutyCycle[0]);
ASSERT_EQ(26, waveChart.getSize());
EXPECT_EQ(28, waveChart.getSize());
}

2
unit_tests/tests/trigger/test_real_nb2_cranking.cpp
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@ -41,7 +41,7 @@ TEST(realCrankingNB2, crankingMissingInjector) {
}
// VVT position nearly zero!
EXPECT_NEAR(engine->triggerCentral.getVVTPosition(0, 0), -17.8867f, 1e-4);
EXPECT_NEAR(engine->triggerCentral.getVVTPosition(0, 0), -7.1926f, 1e-4);
ASSERT_EQ(209, GET_RPM());