C++ InternetButton::ledOn方法代码示例

void loop(){
    // Want to figure out which LED is the lowest?
    // We've hidden the necessary trigonometry in this function.
    int ledPos = b.lowestLed();

    // Turn the LEDs off so they don't all end up on
    b.allLedsOff();

    // Now turn that LED on
    b.ledOn(ledPos, 0, 30, 30);

    // Wait a mo'
    delay(100);
}

void loop(){

    // When you click the second button (at the 3 o'clock position) let's turn that LED on
    if(b.buttonOn(2)){
        b.ledOn(3, 255, 255, 255);
    }
    // And if the button's not on, then the LED should be off
    else {
        b.ledOff(3);
    }

    /* Much like the LEDs, there are also functions to check if all the buttons are on- b.allButtonsOn()
    or if all the buttons are off- b.allButtonsOff() */
}

//Uses the brightness and the color values to compute what to show
void makeColors(){
  uint8_t x = whichColor;
  if(x < 85) {
    red = brightness * x * 3;
    green = brightness * (255 - x * 3);
    blue = 0;
  } else if(x < 170) {
     x -= 85;
     red = brightness * (255 - x * 3);
     green = 0;
     blue = brightness * x * 3;
  } else {
     x -= 170;
     red = 0;
     green = brightness * x * 3;
     blue = brightness * (255 - x * 3);
  }

  b.allLedsOff();
  for(int i = 1; i <= howMany; i++){
    b.ledOn(i, red, green, blue);
  }
}

void loop(){

    // If this calls for a full spectrum situation, let's go rainbow!
    if(b.allButtonsOn()) {
        // Publish the event "allbuttons" for other services like IFTTT to use
        Spark.publish("allbuttons",NULL, 60, PRIVATE);
        b.rainbow(5);
        rainbow_mode = true;

        // If all buttons are on, don't try to process
        // the individual button responses below.  Just return.
        return;
    }

    // If we are not in rainbow mode anymore, turn the LEDs off
    if (rainbow_mode == true) {
        b.allLedsOff();
        rainbow_mode = false;
    }

    // Process individual buttons and LED response
    if (b.buttonOn(1)) {
        b.ledOn(12, 255, 0, 0); // Red
        // Publish the event "button1" for other services like IFTTT to use
        Spark.publish("button1",NULL, 60, PRIVATE);
        delay(500);
    }
    else {
        b.ledOn(12, 0, 0, 0);
    }

    if (b.buttonOn(2)) {
        b.ledOn(3, 0, 255, 0); // Green
        // Publish the event "button2" for other services like IFTTT to use
        Spark.publish("button2",NULL, 60, PRIVATE);
        delay(500);
    }
    else {
        b.ledOn(3, 0, 0, 0);
    }

    if (b.buttonOn(3)) {
        b.ledOn(6, 0, 0, 255); // Blue
        // Publish the event "button3" for other services like IFTTT to use
        Spark.publish("button3",NULL, 60, PRIVATE);
        delay(500);
    }
    else {
        b.ledOn(6, 0, 0, 0);
    }

    if (b.buttonOn(4)) {
        b.ledOn(9, 255, 0, 255); // Magenta
        // Publish the event "button4" for other services like IFTTT to use
        Spark.publish("button4",NULL, 60, PRIVATE);
        delay(500);
    }
    else {
        b.ledOn(9, 0, 0, 0);
    }

    if(b.allButtonsOff()) {
        // Do something here when all buttons are off
    }
}