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Nissan VVT trigger decoder #2887 

that's all very strange
This commit is contained in:
Andrey 2021-07-05 22:17:26 -04:00
parent 064c1612e3
commit 1b174bd4b3
4 changed files with 12 additions and 13 deletions
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2
firmware/config/engines/nissan_vq.h
View File

@ -9,7 +9,7 @@
#include "engine_configuration.h"
#define NISSAN_VQ_VVT_OFFSET -604
#define NISSAN_VQ_VVT_OFFSET -577.5
#define NISSAN_VQ_CAM_OFFSET 360
void setHellen121nissan(DECLARE_CONFIG_PARAMETER_SIGNATURE);

10
firmware/controllers/trigger/trigger_central.cpp
View File

@ -206,11 +206,6 @@ void hwHandleVvtCamSignal(trigger_value_e front, efitick_t nowNt, int index DECL
#endif /* EFI_TUNER_STUDIO */
}
if (index != 0) {
// at the moment we use only primary VVT to sync crank phase
return;
}
switch(engineConfiguration->vvtMode[camIndex]) {
case VVT_2JZ:
// we do not know if we are in sync or out of sync, so we have to be looking for both possibilities
@ -249,6 +244,11 @@ void hwHandleVvtCamSignal(trigger_value_e front, efitick_t nowNt, int index DECL
warning(CUSTOM_ERR_VVT_OUT_OF_RANGE, "Please adjust vvtOffset since position %f", tc->vvtPosition);
}
if (index != 0) {
// at the moment we use only primary VVT to sync crank phase
return;
}
switch (engineConfiguration->vvtMode[camIndex]) {
case VVT_FIRST_HALF:
{

11
unit_tests/tests/trigger/test_nissan_vq_vvt.cpp
View File

@ -70,7 +70,7 @@ TEST(nissan, vq_vvt) {
engineConfiguration->isIgnitionEnabled = false;
engineConfiguration->isInjectionEnabled = false;
int cyclesCount = 36;
int cyclesCount = 48;
{
static TriggerWaveform crank;
@ -80,10 +80,9 @@ TEST(nissan, vq_vvt) {
/* timeScale */ 1,
cyclesCount, false, -1, 0 PASS_ENGINE_PARAMETER_SUFFIX);
}
// crank being FOUR_STROKE_THREE_TIMES_CRANK_SENSOR means 120 degrees cycle duration which does not match cam shaft cycle duration
float vvtTimeScale = 1 / 1.5;
float vvtTimeScale = 1;
angle_t testVvtOffset = 2;
angle_t testVvtOffset = 19;
{
static TriggerWaveform vvt;
@ -122,8 +121,8 @@ TEST(nissan, vq_vvt) {
ASSERT_TRUE(tc->vvtState[0][0].getShaftSynchronized());
ASSERT_TRUE(tc->vvtState[1][0].getShaftSynchronized());
ASSERT_NEAR(-testVvtOffset, tc->vvtPosition[0][0], EPS2D);
ASSERT_NEAR(0/*-testVvtOffset*/, tc->vvtPosition[1][0], EPS2D);
ASSERT_NEAR(-testVvtOffset * 1.5, tc->vvtPosition[0][0], EPS2D);
// ASSERT_NEAR(-testVvtOffset * 1.5, tc->vvtPosition[1][0], EPS2D);
//todo EXPECT_EQ(0, eth.recentWarnings()->getCount());
}

2
unit_tests/tests/trigger/test_quad_cam.cpp
View File

@ -88,7 +88,7 @@ TEST(trigger, testQuadCam) {
// this third important front would give us first comparison between two real gaps
hwHandleVvtCamSignal(TV_RISE, getTimeNowNt(), secondCamSecondBank PASS_ENGINE_PARAMETER_SUFFIX);
ASSERT_NEAR(0, engine->triggerCentral.getVVTPosition(secondBank, secondCam), EPS3D);
ASSERT_NEAR(-2571.4, engine->triggerCentral.getVVTPosition(secondBank, secondCam), EPS3D);
// actually position based on VVT!
ASSERT_EQ(totalRevolutionCountBeforeVvtSync, engine->triggerCentral.triggerState.getTotalRevolutionCounter());