150 lines
3.6 KiB
C++
150 lines
3.6 KiB
C++
/**
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* @file rpm_calculator.h
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* @brief Shaft position sensor(s) decoder header
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*
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* @date Jan 1, 2013
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* @author Andrey Belomutskiy, (c) 2012-2017
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*/
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#ifndef RPM_REPORTER_H_
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#define RPM_REPORTER_H_
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#include <global.h>
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#include "engine_configuration.h"
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#include "scheduler.h"
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#define TOP_DEAD_CENTER_MESSAGE "r"
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#define WC_DOWN "d"
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#define WC_UP "u"
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/**
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* See also 'CRANK1' in java dev console code
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*/
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#define CRANK1 "t1"
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#define CRANK2 "t2"
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#define CRANK3 "t3"
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#define VVT_NAME "VVT"
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#define NOISY_RPM -1
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#define UNREALISTIC_RPM 30000
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#ifdef __cplusplus
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typedef enum {
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/**
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* The engine is not spinning, RPM=0
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*/
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STOPPED,
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/**
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* The engine is cranking (0 < RPM < cranking.rpm)
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*/
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CRANKING,
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/**
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* The engine is running (RPM >= cranking.rpm)
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*/
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RUNNING,
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} spinning_state_e;
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class Engine;
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#define GET_RPM() ( ENGINE(rpmCalculator.rpmValue) )
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class RpmCalculator {
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public:
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#if !EFI_PROD_CODE
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int mockRpm;
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#endif /* EFI_PROD_CODE */
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RpmCalculator();
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/**
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* Returns true if the engine is not spinning (RPM==0)
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*/
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bool isStopped(DECLARE_ENGINE_PARAMETER_SIGNATURE);
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/**
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* Returns true if the engine is cranking
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*/
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bool isCranking(DECLARE_ENGINE_PARAMETER_SIGNATURE);
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/**
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* Returns true if the engine is running and not cranking
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*/
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bool isRunning(DECLARE_ENGINE_PARAMETER_SIGNATURE);
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bool checkIfSpinning(DECLARE_ENGINE_PARAMETER_SIGNATURE);
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int getRpm(DECLARE_ENGINE_PARAMETER_SIGNATURE);
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/**
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* This method is invoked once per engine cycle right after we calculate new RPM value
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*/
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void onNewEngineCycle();
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uint32_t getRevolutionCounter(void);
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void setRpmValue(int value DECLARE_ENGINE_PARAMETER_SUFFIX);
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uint32_t getRevolutionCounterSinceStart(void);
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/**
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* RPM rate of change between current RPM and RPM measured during previous engine cycle
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* see also SC_RPM_ACCEL
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*/
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float getRpmAcceleration();
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/**
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* This is public because sometimes we cannot afford to call isRunning() and the value is good enough
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* Zero if engine is not running
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*/
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volatile int rpmValue;
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/**
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* this is RPM on previous engine cycle.
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*/
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int previousRpmValue;
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/**
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* This is a performance optimization: let's pre-calculate this each time RPM changes
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* NaN while engine is not spinning
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*/
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volatile floatus_t oneDegreeUs;
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volatile efitime_t lastRpmEventTimeNt;
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private:
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/**
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* Should be called once we've realized engine is not spinning any more.
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*/
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void setStopped(DECLARE_ENGINE_PARAMETER_SIGNATURE);
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void assignRpmValue(int value);
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/**
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* This counter is incremented with each revolution of one of the shafts. Could be
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* crankshaft could be camshaft.
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*/
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volatile uint32_t revolutionCounterSinceBoot;
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/**
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* Same as the above, but since the engine started spinning
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*/
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volatile uint32_t revolutionCounterSinceStart;
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spinning_state_e state;
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};
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/**
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* @brief Current RPM
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*/
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#define getRpmE(engine) (engine)->rpmCalculator.getRpm(PASS_ENGINE_PARAMETER_SIGNATURE)
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void rpmShaftPositionCallback(trigger_event_e ckpSignalType, uint32_t index DECLARE_ENGINE_PARAMETER_SUFFIX);
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/**
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* @brief Initialize RPM calculator
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*/
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void initRpmCalculator(Logging *sharedLogger, Engine *engine);
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float getCrankshaftAngleNt(efitime_t timeNt DECLARE_ENGINE_PARAMETER_SUFFIX);
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#endif
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int getRevolutionCounter(void);
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#define isValidRpm(rpm) ((rpm) > 0 && (rpm) < UNREALISTIC_RPM)
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#if EFI_ENGINE_SNIFFER
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#define addEngineSniffferEvent(name, msg) waveChart.addEvent3((name), (msg))
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#else
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#define addEngineSniffferEvent(n, msg) {}
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#endif /* EFI_ENGINE_SNIFFER */
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void scheduleByAngle(int rpm, scheduling_s *timer, angle_t angle, schfunc_t callback, void *param, RpmCalculator *calc);
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#endif /* RPM_REPORTER_H_ */
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