gpiointerrupthandler.h

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#ifndef GPIOINTERRUPTHANDLER_H
#define GPIOINTERRUPTHANDLER_H
 
#include "pigpio.h"
#include "observer.h"
#include <QObject>
#include <QThread>
#include <QDebug>
 
class GpioInterruptHandler : public QObject, public Observer
{
    Q_OBJECT
 
public:
    explicit GpioInterruptHandler(QObject *parent = nullptr);
    ~GpioInterruptHandler();
 
    void onUpdate(bool isInitialised) override;
    bool initializeGpio();  // Initialise GPIOs, register interrupt handlers
    void deinitializeGpio();  // Deinitialise GPIOs
 
private:
    static void gpioInterruptCallback(int gpio, int level, uint32_t tick, void *user);
    QThread *GpioInterruptThread;
 
    int debounceCounter = 0;  // Counter for accumulating state changes
    static const int debounceThreshold = 10;  // Integral de-jittering threshold, assumed to be 5 changes
    bool lastState = false;  // Save the last state of the GPIO
 
signals:
    void mpu6050Interrupt();  // Signals emitted when an interrupt occurs in the MPU6050
};
 
#endif // GPIOINTERRUPTHANDLER_H