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fix #472

This commit is contained in:
rusefi 2017-08-11 14:02:15 -04:00
parent 88e1c34c40
commit 35c5240699
1 changed files with 8 additions and 1 deletions
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9
firmware/controllers/trigger/trigger_central.cpp
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@ -98,6 +98,13 @@ void hwHandleVvtCamSignal(trigger_value_e front) {
return; return;
} }
floatus_t oneDegreeUs = engine->rpmCalculator.oneDegreeUs;
if (cisnan(oneDegreeUs)) {
// we are here if we are getting VVT position signals while engine is not running
// for example if crank position sensor is broken :)
return;
}
TriggerCentral *tc = &engine->triggerCentral; TriggerCentral *tc = &engine->triggerCentral;
efitick_t nowNt = getTimeNowNt(); efitick_t nowNt = getTimeNowNt();
@ -124,7 +131,7 @@ void hwHandleVvtCamSignal(trigger_value_e front) {
efitick_t offsetNt = nowNt - tc->timeAtVirtualZeroNt; efitick_t offsetNt = nowNt - tc->timeAtVirtualZeroNt;
angle_t vvtPosition = NT2US(offsetNt) / engine->rpmCalculator.oneDegreeUs; angle_t vvtPosition = NT2US(offsetNt) / oneDegreeUs;
// convert engine cycle angle into trigger cycle angle // convert engine cycle angle into trigger cycle angle
vvtPosition -= tdcPosition(); vvtPosition -= tdcPosition();