countdownRing/ColorSelectMonitor.h at master · fri000/countdownRing · GitHub

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#ifndef COLORSELECTMONITOR_HEADERGUARD
#define COLORSELECTMONITOR_HEADERGUARD

#if defined(ARDUINO) && ARDUINO >= 100
  #include "Arduino.h"
#else
  #include "WProgram.h"
  #include <pins_arduino.h>
#endif
#include "TaskScheduler.h"
#include "ColorWheelDisplay.h"
#include "RunningAverageFilter.h"

// Constantly monitors an analog pin and interprets its value as a RGB color
// Displays the current selected color on the LED display when the analog pin
// changes to a new value.
class ColorSelectMonitor
{
public:
    ColorSelectMonitor(TaskScheduler& scheduler, LedDisplay& display, uint8_t monitorPin);
    ~ColorSelectMonitor();
    void enable();
    void disable();
    uint32_t getColor();

    static void checkAnalogPin0(void* clientData); //should only be called by the taskScheduler.

private:
    // Private functions
    void checkAnalogPin();

    // Private variables
    TaskScheduler&       m_scheduler;
    taskToken_t          m_currentScheduledTask;
    ColorWheelDisplay    m_colorWheelDisplay;
    uint8_t              m_pinToMonitor;
    int16_t              m_previousReading;
    uint32_t             m_timeIdleMs;
    bool                 m_showingColorWheel;
    RunningAverageFilter m_lowPassFilter; //Filter to smooth out analog readings
};//end ColorSelectMonitor


#endif //COLORSELECTMONITOR_HEADERGUARD