leds.h

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#pragma once
#include <Bela.h>
#include "config.h"
 
class Leds {
 
  public:
 
    enum Led {
      wrist = 0,
      thumb = 1,
      vibrator = 2,
      controlbox = 3
    };
    enum LedState {
      off = 0,
      on = 1,
      blink_permanent = 3,
      blink_once = 4,
    };
 
    Leds(BelaContext* ctx);
 
    void setState(Led led,LedState ledstate,float period=LED_HOLD_TIME,
        float dutycycle=0.5);
    LedState getState(Led led) const {return _ledstate[(int) led];}
 
    void processBuf(BelaContext* ctx);
    void processFrame(BelaContext* ctx, us frame);
  private:
    bool processLed(Led led);
    bool _on[4];
 
    float dT;
    float _timer[4] = {0,0,0,0};
    LedState _ledstate[4] = {off, off, off, off};
    float _blinkDutyCycle[4] = {0.5, 0.5, 0.5, 0.5};
    float _blinkPeriod[4] = {LED_HOLD_TIME, LED_HOLD_TIME, 
      LED_HOLD_TIME, LED_HOLD_TIME};
};