rusefi-1/firmware/controllers/algo/launch_control.cpp

158 lines
4.6 KiB
C++

/*
* @file launch_control.cpp
*
* @date 10. sep. 2019
* Author: Ola Ruud
*/
#include "pch.h"
#if EFI_LAUNCH_CONTROL
#include "boost_control.h"
#include "launch_control.h"
#include "periodic_task.h"
#include "advance_map.h"
#include "engine_state.h"
#include "advance_map.h"
#include "tinymt32.h"
/**
* We can have active condition from switch or from clutch.
* In case we are dependent on VSS we just return true.
*/
bool LaunchControlBase::isInsideSwitchCondition() {
isSwitchActivated = engineConfiguration->launchActivationMode == SWITCH_INPUT_LAUNCH;
isClutchActivated = engineConfiguration->launchActivationMode == CLUTCH_INPUT_LAUNCH;
if (isSwitchActivated) {
#if !EFI_SIMULATOR
if (isBrainPinValid(engineConfiguration->launchActivatePin)) {
launchActivatePinState = engineConfiguration->launchActivateInverted ^ efiReadPin(engineConfiguration->launchActivatePin);
}
#endif // EFI_PROD_CODE
return launchActivatePinState;
} else if (isClutchActivated) {
if (isBrainPinValid(engineConfiguration->clutchDownPin)) {
return engine->engineState.clutchDownState;
} else {
return false;
}
} else {
// ALWAYS_ACTIVE_LAUNCH
return true;
}
}
/**
* Returns True in case Vehicle speed is less then threshold.
* This condition would only return true based on speed if DisablebySpeed is true
* The condition logic is written in that way, that if we do not use disable by speed
* then we have to return true, and trust that we would disable by other condition!
*/
bool LaunchControlBase::isInsideSpeedCondition() const {
int speed = Sensor::getOrZero(SensorType::VehicleSpeed);
return (engineConfiguration->launchSpeedThreshold > speed) || (!(engineConfiguration->launchActivationMode == ALWAYS_ACTIVE_LAUNCH));
}
/**
* Returns false if TPS is invalid or TPS > preset threshold
*/
bool LaunchControlBase::isInsideTpsCondition() const {
auto tps = Sensor::get(SensorType::DriverThrottleIntent);
// Disallow launch without valid TPS
if (!tps.Valid) {
return false;
}
// todo: should this be 'launchTpsThreshold <= tps.Value' so that nicely calibrated TPS of zero does not prevent launch?
return engineConfiguration->launchTpsThreshold < tps.Value;
}
/**
* Condition is true as soon as we are above LaunchRpm
*/
bool LaunchControlBase::isInsideRPMCondition(int rpm) const {
int launchRpm = engineConfiguration->launchRpm;
return (launchRpm < rpm);
}
bool LaunchControlBase::isLaunchConditionMet(int rpm) {
activateSwitchCondition = isInsideSwitchCondition();
rpmCondition = isInsideRPMCondition(rpm);
speedCondition = isInsideSpeedCondition();
tpsCondition = isInsideTpsCondition();
return speedCondition && activateSwitchCondition && rpmCondition && tpsCondition;
}
LaunchControlBase::LaunchControlBase() {
launchActivatePinState = false;
isLaunchCondition = false;
}
void LaunchControlBase::update() {
if (!engineConfiguration->launchControlEnabled) {
return;
}
int rpm = Sensor::getOrZero(SensorType::Rpm);
combinedConditions = isLaunchConditionMet(rpm);
//and still recalculate in case user changed the values
retardThresholdRpm = engineConfiguration->launchRpm
/*
we never had UI for 'launchAdvanceRpmRange' so it was always zero. are we supposed to forget about this dead line
or it is supposed to be referencing 'launchTimingRpmRange'?
+ (engineConfiguration->enableLaunchRetard ? engineConfiguration->launchAdvanceRpmRange : 0)
*/
+ engineConfiguration->hardCutRpmRange;
if (!combinedConditions) {
// conditions not met, reset timer
m_launchTimer.reset();
isLaunchCondition = false;
} else {
// If conditions are met...
isLaunchCondition = m_launchTimer.hasElapsedSec(engineConfiguration->launchActivateDelay);
}
}
bool LaunchControlBase::isLaunchRpmRetardCondition() const {
return isLaunchCondition && (retardThresholdRpm < Sensor::getOrZero(SensorType::Rpm));
}
bool LaunchControlBase::isLaunchSparkRpmRetardCondition() const {
return isLaunchRpmRetardCondition() && engineConfiguration->launchSparkCutEnable;
}
bool LaunchControlBase::isLaunchFuelRpmRetardCondition() const {
return isLaunchRpmRetardCondition() && engineConfiguration->launchFuelCutEnable;
}
void SoftSparkLimiter::setTargetSkipRatio(float targetSkipRatio) {
this->targetSkipRatio = targetSkipRatio;
}
static tinymt32_t tinymt;
bool SoftSparkLimiter::shouldSkip() {
if (targetSkipRatio == 0 || wasJustSkipped) {
wasJustSkipped = false;
return false;
}
float r = tinymt32_generate_float(&tinymt);
wasJustSkipped = r < 2 * targetSkipRatio;
return wasJustSkipped;
}
void initLaunchControl() {
tinymt32_init(&tinymt, 1345135);
}
#endif /* EFI_LAUNCH_CONTROL */