Example07_Cycle_Rainbow_MOD.ino

/*
  An I2C based LED Stick
  Modified by Ho Yun "Bobby" Chan
  By: Ciara Jekel
  SparkFun Electronics
  Date: June 11th, 2018
  License: This code is public domain but you buy me a beer if you use this and we meet someday (Beerware license).

  Feel like supporting our work? Buy a board from SparkFun!
  https://www.sparkfun.com/products/14783

  This example changes the color of the 10 LEDs baseed on the input from the Serial Monitor.
  By uncommenting out CycleRainbow(100); it also makes the LED Stick smoothly change through
  the colors of the rainbow.

*/
#include <Wire.h>
#include "Qwiic_LED_Stick.h"  // Click here to get the library: http://librarymanager/All#SparkFun_Qwiic_LED_Stick


LED LEDStick;  //Create an object of the LED class
int input_color = 0;

void setup() {
  Wire.begin();
  //Wire.setClock(400000);  // Set clock speed to be the fastest for better communication (fast mode)

  Serial.begin(115200);

  //Start up communication with the LED Stick
  if (LEDStick.begin() == false) {
    Serial.println("Qwiic LED Stick failed to begin. Please check wiring and try again!");
    while (1)
      ;
  }

  LEDStick.setLEDColor(0, 0, 0);
  LEDStick.setLEDBrightness(1);
  Serial.println("Qwiic LED Stick ready!");
}

void loop() {
  //CycleRainbow(100);



  if (Serial.available()) {       // If data comes in from serial monitor, send it out to XBee
    input_color = Serial.read();  //read user input
    Serial.println(input_color);

    // do something different depending on the input value:
    switch (input_color) {
      case 49:  // if ASCII CHARACTER `1` IS SENT
        LEDStick.setLEDColor(255, 0, 0); //RED
        break;
      case 50:  // if ASCII CHARACTER `2` IS SENT
        LEDStick.setLEDColor(255, 255, 0); //YELLOW
        break;
      case 51:  // if ASCII CHARACTER `3` IS SENT
        LEDStick.setLEDColor(0, 255, 0); //GREEN
        break;
      case 52:  // if ASCII CHARACTER `4` IS SENT
        LEDStick.setLEDColor(0, 255, 255); //CYAN
        break;
      case 53:  // if ASCII CHARACTER `5` IS SENT
        LEDStick.setLEDColor(255, 0, 255); //BLUE
        break;
      case 54:  // if ASCII CHARACTER `6` IS SENT
        LEDStick.setLEDColor(255, 0, 255); //MAGENTA
        break;
      case 55:  // if ASCII CHARACTER `7` IS SENT
        LEDStick.setLEDColor(255, 255, 255); //WHITE
        break;
      default:
        LEDStick.setLEDColor(0, 0, 0);
        break;
    }
    delay(100);
  }
}

//Cycle through the rainbow with all LEDs the same color
void CycleRainbow(int delayTime) {
  //will repeat for each color from red to yellow
  for (byte g = 0; g < 255; g++) {
    //Set all LEDs to max red with green increasing each repetition
    LEDStick.setLEDColor(255, g, 0);
    delay(delayTime);
  }
  //will repeat for each color from yellow to green
  for (byte r = 255; r > 0; r--) {
    //Set all LEDs to max green with red decreasing each repetition
    LEDStick.setLEDColor(r, 255, 0);
    delay(delayTime);
  }
  //will repeat for each color from green to cyan
  for (byte b = 0; b < 255; b++) {
    //Set all LEDs to max green with blue increasing each repetition
    LEDStick.setLEDColor(0, 255, b);
    delay(delayTime);
  }
  //will repeat for each color from cyan to blue
  for (byte g = 255; g > 0; g--) {
    //Set all LEDs to max blue with green decreasing each repetition
    LEDStick.setLEDColor(0, g, 255);
    delay(delayTime);
  }
  //will repeat for each color from blue to magenta
  for (byte r = 0; r < 255; r++) {
    //Set all LEDs to max blue with red increasing each repetition
    LEDStick.setLEDColor(r, 0, 255);
    delay(delayTime);
  }
  //will repeat for each color from magenta to red
  for (byte b = 255; b > 0; b--) {
    //Set all LEDs to max red with blue decreasing each repetition
    LEDStick.setLEDColor(255, 0, b);
    delay(delayTime);
  }

  LEDStick.LEDOff();
  //LEDStick.setLEDColor(0, 0, 0);
  delay(1000);
}