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Fuel cut code 4: FaultRevLimit, What is the fault when no indicators are red? #7319 

only:uaefi
This commit is contained in:
rusefillc 2025-01-17 18:25:25 -05:00
parent 33a22d1c26
commit 29211ec576
2 changed files with 14 additions and 9 deletions
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13
firmware/controllers/limp_manager.cpp
View File

@ -113,7 +113,7 @@ void LimpManager::updateState(float rpm, efitick_t nowNt) {
// Force fuel limiting on the fault rev limit
if (rpm > m_faultRevLimit) {
allowFuel.clear(ClearReason::FaultRevLimit);
allowFuel.clear(m_rpmLimitReason);
}
// Limit fuel only on boost pressure (limiting spark bends valves)
@ -249,7 +249,7 @@ void LimpManager::onIgnitionStateChanged(bool ignitionOn) {
void LimpManager::reportEtbProblem() {
m_allowEtb.clear(ClearReason::EtbProblem);
setFaultRevLimit(/*rpm*/1500);
setFaultRevLimit(/*rpm*/1500, ClearReason::EtbFaultRevLimit);
}
void LimpManager::fatalError() {
@ -258,13 +258,16 @@ void LimpManager::fatalError() {
m_allowInjection.clear(ClearReason::Fatal);
m_allowTriggerInput.clear(ClearReason::Fatal);
setFaultRevLimit(/*rpm*/0);
setFaultRevLimit(/*rpm*/0, ClearReason::FatalErrorRevLimit);
}
void LimpManager::setFaultRevLimit(int limit) {
void LimpManager::setFaultRevLimit(int limit, ClearReason rpmLimitReason) {
// Only allow decreasing the limit
// aka uses the limit of the worst fault to yet occur
m_faultRevLimit = minI(m_faultRevLimit, limit);
if (limit < m_faultRevLimit) {
m_faultRevLimit = limit;
m_rpmLimitReason = rpmLimitReason;
}
}
#if EFI_ELECTRONIC_THROTTLE_BODY

10
firmware/controllers/limp_manager.h
View File

@ -11,7 +11,7 @@ enum class ClearReason : uint8_t {
Fatal, // 1
Settings, // 2
HardLimit, // 3
FaultRevLimit,
EtbFaultRevLimit, // 4 means 1500 RPM limit in case of ETB fault
BoostCut, // 5
OilPressure, // 6
StopRequested, // 7
@ -25,8 +25,9 @@ enum class ClearReason : uint8_t {
Lua, // 15
ACR, // 16 - Harley Automatic Compression Release
LambdaProtection, // 17
GdiComms,
PleaseBrake,
GdiComms, // 18
PleaseBrake, // 19
FatalErrorRevLimit, // 20
// Keep this list in sync with fuelIgnCutCodeList in tunerstudio.template.ini!
// todo: add a code generator between ClearReason and fuelIgnCutCodeList in tunerstudio.template.ini
@ -114,7 +115,7 @@ public:
Timer externalGdiCanBusComms;
private:
void setFaultRevLimit(int limit);
void setFaultRevLimit(int limit, ClearReason rpmLimitReason);
Hysteresis m_revLimitHysteresis;
MaxLimitWithHysteresis<> m_boostCutHysteresis;
@ -141,6 +142,7 @@ private:
// todo: migrate to engineState->desiredRpmLimit to get this variable logged
float m_revLimit;
ClearReason m_rpmLimitReason = ClearReason::None;
float resumeRpm;
// Tracks how long since a cut (ignition or fuel) was active for any reason