photon snapshot

coding.c

#include <InternetButton.h>

InternetButton b = InternetButton();

long secondsInADay = 86400;

long windowSize = 30;
long powerStreak = 5;

long lastCheckin = 0;
long streak = 0;
long lastRewardedCheckin = 0;

struct PersistedState {
  long lastCheckin;
  long streak;
  long lastRewardedCheckin;
};

void persist() {
    PersistedState persistState = { lastCheckin, streak, lastRewardedCheckin };
    EEPROM.put(0, persistState);
}

void restore() {
    PersistedState persistState;
    EEPROM.get(0, persistState);
    lastCheckin = persistState.lastCheckin;
    streak = persistState.streak;
    lastRewardedCheckin = persistState.lastRewardedCheckin;
}


SYSTEM_THREAD(ENABLED);

void setup() {
    restore();
    
    //char lastCheckinStr[30];
    //sprintf(lastCheckinStr,"%d", lastCheckin);
    //Particle.publish("lastCheckin restored", lastCheckinStr, PRIVATE);
    
    RGB.control(true);
    RGB.brightness(0);
    b.begin();
}

void loop() {
    
    long now = Time.now();
    long window = windowsSinceEpoch(now, windowSize);
    long lastCheckinWindow = windowsSinceEpoch(lastCheckin, windowSize);
    
    if(window > (lastCheckinWindow + 4)) {
        b.allLedsOff();
        
        lastCheckin = 0;
        streak = 0;
        lastRewardedCheckin = 0;
        
        persist();
        
    } else if(window > (lastCheckinWindow + 3)) {
       
       b.allLedsOn(125, 0, 0); // red
    }
    else if(window > (lastCheckinWindow + 2)) {
        
        b.allLedsOn(90, 40, 0); // orange
        
    } else if (window > (lastCheckinWindow + 1)) {
        
        lightIdle2();
        
    } else { // last checkin was this window
    
        // run reward animation if not yet rewarded 
        if (lastRewardedCheckin == 0 || lastRewardedCheckin != lastCheckinWindow) {
            
            lastRewardedCheckin = lastCheckinWindow;
            streak++;
            
            persist();
            
            lightRewardAnimation();
           
        }
        
    }
    
    if (b.buttonOn(3)) {
        lastCheckin = now;
        persist();
        
        //char lastCheckinStr[30];
        //sprintf(lastCheckinStr,"%d", lastCheckin);
        //Particle.publish("lastCheckin put", lastCheckinStr, PRIVATE);
    }

}

long windowsSinceEpoch(long epoch, long windowSize) {
  return epoch / windowSize;
}

void lightIdle() {
    if(streak >= powerStreak) {
        b.allLedsOn(0, 0, 30);    
    } else {
        b.allLedsOn(0, 30, 0);
    }
}

void lightIdle2() { // slightly brighter variant for debugging
    if(streak >= powerStreak) {
        b.allLedsOn(0, 0, 40);    
    } else {
        b.allLedsOn(0, 40, 0);
    }
}

void lightRewardAnimation() {
    for(int i = 0; i<12; i++) {
        if(streak >= powerStreak) {
            b.ledOn(i, 0, 0, 255);    
        } else {
            b.ledOn(i, 0, 255, 0);
        }
        delay(75);
    }
    
    for(int c=255;c>20;c--) {
        if(streak >= powerStreak) {
            b.allLedsOn(0, 0, c);    
        } else {
            b.allLedsOn(0, c, 0);
        }
        // Fade out slowly during the first n% of the window size.=
        delay(((windowSize * 1000) * 0.25 ) / 255);
    }
}