SpeakUp Arduino code

SpeakUp Arduino code

# Project page
#

speakup.ino

// NeoPixel Ring simple sketch (c) 2013 Shae Erisson
// released under the GPLv3 license to match the rest of the AdaFruit NeoPixel library

#include <Adafruit_NeoPixel.h>
#ifdef __AVR__
  #include <avr/power.h>
#endif

// Which pin on the Arduino is connected to the NeoPixels?
// On a Trinket or Gemma we suggest changing this to 1
#define PIN            33

// Used to reset the SpeakUp click
#define RstPIN         34

// How many NeoPixels are attached to the Arduino?
#define NUMPIXELS      16



// When we setup the NeoPixel library, we tell it how many pixels, and which pin to use to send signals.
// Note that for older NeoPixel strips you might need to change the third parameter--see the strandtest
// example for more information on possible values.
Adafruit_NeoPixel pixels = Adafruit_NeoPixel(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);

String mystring="";
int rcvd;
char incomingByte; // keeps the received command from SpeakUp click
char incomingByte1; // keeps the received command from SpeakUp click
char dimvalue = 150;
int inbuffer=0;

char red;
char green;
char blue;

void update_pixels(void) {
  for(int i=0;i<NUMPIXELS;i++){
    // pixels.Color takes RGB values, from 0,0,0 up to 255,255,255
    pixels.setPixelColor(i, pixels.Color(red,green,blue)); // Moderately bright green color.
    pixels.show(); // This sends the updated pixel color to the hardware.
  }
}

void setup() {
  // Reset the SpeakUp click
  pinMode(RstPIN, OUTPUT);
  digitalWrite(RstPIN, LOW);
  delay(1);
  digitalWrite(RstPIN, HIGH);

  pixels.begin(); // This initializes the NeoPixel library.
  // all pixels are off
  red = 0;
  blue = 0;
  green = 0;
  update_pixels();

  // just a test, turn first neopixel on for a second
  pixels.setPixelColor(0, pixels.Color(0,0,150));
  pixels.show();
  delay(1000);
  pixels.setPixelColor(0, pixels.Color(0,0,0));
  pixels.show();
  // Start serial communication
  Serial.begin(9600);
  Serial2.begin(9600);
  // wait for ready signal
  pixels.setPixelColor(0, pixels.Color(0,20,0));
  pixels.show();

  Serial.println("Waiting for SpeakUp click to come online");

  while (Serial2.available() < 5){
    // Wait for five characters
  }

  Serial.print ("Received data = ");
  for(int i=0 ; i<5 ; i++){
  incomingByte = Serial2.read();
    Serial.write(incomingByte);
    // add incoming data to string;
    mystring += incomingByte;
  }
  Serial.println("");
  if (mystring == "READY"){
    Serial.println ("Ready to proceed with voice recognition");
    pixels.setPixelColor(0, pixels.Color(0,0,0));
    pixels.show();
  }
  else
  {
    pixels.setPixelColor(0, pixels.Color(50,0,0));
    pixels.show();
    Serial.println ("Garbage received. Halting!");
    while(1);
  }

}

void loop() {

       // send data only when you receive data:
       if (Serial2.available() > 1) {
               // read the incoming byte:
                incomingByte = Serial2.read();
                incomingByte1 = Serial2.read();
                Serial.print ("Received data = ");
                Serial.print(int(incomingByte) ,HEX);
                Serial.println(int(incomingByte1) ,HEX);

                if (incomingByte == 0){ // white
                  red = dimvalue;
                  green = dimvalue;
                  blue = dimvalue;
                  update_pixels();
                  Serial.println ("Command: white");
                }
                if (incomingByte == 1){ // red
                  red = dimvalue;
                  green = 0;
                  blue = 0;
                  update_pixels();
                  Serial.println ("Command: red");
                }
                if (incomingByte == 2){ // blue
                  red = 0;
                  green = 0;
                  blue = dimvalue;
                  update_pixels();
                  Serial.println ("Command: blue");
                }
                if (incomingByte == 3){ // green
                  red = 0;
                  green = dimvalue;
                  blue = 0;
                  update_pixels();
                  Serial.println ("Command: green");
                }
                if (incomingByte == 4){ // brighter
                  dimvalue = dimvalue  + 20;
                  if (dimvalue > 150) dimvalue = 150; // not too dim
                  if (red > 0) red = dimvalue;
                  if (green > 0) green = dimvalue;
                  if (blue > 0) blue = dimvalue;
                  update_pixels();
                  Serial.println ("Command: brighter");
                }
                if (incomingByte == 5){ // dimmer
                  dimvalue = dimvalue  - 20;
                  if (dimvalue < 10) dimvalue = 10; // not too dim
                  if (red > 0) red = dimvalue;
                  if (green > 0) green = dimvalue;
                  if (blue > 0) blue = dimvalue;
                  update_pixels();
                  Serial.println ("Command: dimmer");
                }
                if (incomingByte == 6){ // turn off
                  red = 0;
                  green = 0;
                  blue = 0;
                  update_pixels();
                  Serial.println ("Command: turn off");
                }
        }
}