engine_sniffer.h

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/**
 * @file    engine_sniffer.h
 * @brief   rusEfi console wave sniffer
 *
 * @date Jun 23, 2013
 * @author Andrey Belomutskiy, (c) 2012-2020
 */
 
#pragma once
 
#include "rusefi_enums.h"
 
#include "datalogging.h"
 
enum class FrontDirection : uint8_t {
    UP,
    DOWN
};
 
void addEngineSnifferTdcEvent(int rpm);
void addEngineSnifferLogicAnalyzerEvent(int laIndex, FrontDirection frontDirection);
/**
 * @param wheelIndex 0 or 1
 * @triggerEventIndex index from sync point, from 0 to number of teeth in engine cycle
 */
void addEngineSnifferCrankEvent(int wheelIndex, int triggerEventIndex, FrontDirection frontDirection);
void addEngineSnifferVvtEvent(int vvtIndex, FrontDirection frontDirection);
void addEngineSnifferOutputPinEvent(NamedOutputPin *pin, FrontDirection frontDirection);
 
#if EFI_ENGINE_SNIFFER
 
/**
 * @brief   rusEfi console sniffer data buffer
 */
class WaveChart {
public:
    WaveChart();
    void init();
    void addEvent3(const char *name, const char *msg);
    void reset();
    void startDataCollection();
    void publishIfFull();
    void publish();
    bool isFull() const;
    bool isStartedTooLongAgo() const;
    // looks like this is only used by functional tests on real hardware
    efitick_t pauseEngineSnifferUntilNt = 0;
    int getSize();
 
private:
    Logging logging;
    char timeBuffer[_MAX_FILLER + 2];
    // current number of events in buffer, see getSize()
    uint32_t counter = 0;
    /**
     * We want to avoid visual jitter thus we want the left edge to be aligned
     * https://github.com/rusefi/rusefi/issues/780
     */
    bool collectingData = false;
    efitick_t startTimeNt = 0;
    volatile int isInitialized = false;
};
 
void initWaveChart(WaveChart *chart);
void setChartSize(int newSize);
 
#endif /* EFI_ENGINE_SNIFFER */