Lo-Fi Arduino Tidal binding, makes lights go on by color name.

blinken.ino

/*
Tidal <-> Arduino
send rhythmic patterns to custom hardware

assumes three leds connected to Arduino on Digital Pins:

13 red
12 yellow
11 green

*/
#include "Arduino.h"

#ifndef TIDAL_SERIAL_SPEED
#define TIDAL_SERIAL_SPEED 115200
#endif

String inputString = "";         // a string to hold incoming data
boolean stringComplete = false;  // whether the string is complete

int redled = 13;
int yellowled = 12;
int greenled = 11;

unsigned long redtimeout;
unsigned long yellowtimeout;
unsigned long greentimeout;

bool lighting = false;

void setup() {
  // initialize serial:
  Serial.begin(TIDAL_SERIAL_SPEED);
  Serial.println("Tidal Blink example");
  // reserve 200 bytes for the inputString:
  inputString.reserve(200);
  redtimeout = millis();
  yellowtimeout = redtimeout;
  greentimeout = yellowtimeout;

  pinMode(redled, OUTPUT);
  pinMode(yellowled, OUTPUT);
  pinMode(greenled, OUTPUT);

  digitalWrite(redled, LOW);
  digitalWrite(yellowled, LOW);
  digitalWrite(greenled, LOW);
}

/*
  SerialEvent occurs whenever a new data comes in the
  hardware serial RX.  This routine is run between each
  time loop() runs, so using delay inside loop can delay
  response.  Multiple bytes of data may be available.
*/
void serialEvent() {
  while (Serial.available()) {
    // get the new byte:
    char inChar = (char)Serial.read();
    // add it to the inputString:
    inputString += inChar;
    // if the incoming character is a newline, set a flag
    // so the main loop can do something about it:
    if (inChar == '\n') {
      stringComplete = true;
    }
  }
}

void loop() {
  serialEvent(); //call the function

  if (stringComplete) {
    if (inputString.startsWith("red")) {
      redtimeout = millis() + 250;
    }
    if (inputString.startsWith("yellow")) {
      yellowtimeout = millis() + 250;
    }
    if (inputString.startsWith("green")) {
      greentimeout = millis() + 250;
    }

    // clear the string:
    inputString = "";
    stringComplete = false;
  }

  if ((millis() - redtimeout) > 0) digitalWrite(redled, LOW);
  else digitalWrite(redled, HIGH);

  if ((millis() - yellowtimeout) > 0) digitalWrite(yellowled, LOW);
  else digitalWrite(yellowled, HIGH);

  if ((millis() - greentimeout) > 0) digitalWrite(greenled, LOW);
  else digitalWrite(greenled, HIGH);
}