NICTA ed1 Demo

//Dr Pusey's NICTA Board Demo Program

//This code is deliberately not commented - it's your job to figure out how it works!

//To upload this code to the NICTA Board, make sure you select the correct Comm Port

//Change the board type to "Duemilanove or Diecimila"

// it's important to include this library so we can use the LCD display
#include <LiquidCrystal.h>

// set initial parameters and declare variables
LiquidCrystal lcd(6, 8, 2, 3, 4, 5);
byte data = 0;
int i=1;
int lightsense = 0;
int tempsense = 0;
int lbutton=1;
int rbutton=1;
int delayTime = 50;
double potValue;
char lightString[5];
char potString[5];
char tempString[5];

void setup() {

pinMode(12, OUTPUT); //SR Data
pinMode(10, OUTPUT); //SR Clock
pinMode(11, OUTPUT); //SR Latch

// set up NICTA BOARD PINS

pinMode(7, OUTPUT);    //LCD RW
pinMode(9, OUTPUT);    //PIEZO BUZZER
pinMode(13, OUTPUT);    //LED

pinMode(14, INPUT);    //Left Button
digitalWrite(14, HIGH);
pinMode(15, INPUT);    //Right Button
digitalWrite(15, HIGH);

tone(9, 2000, 300);
delay(200);
tone(9, 3000, 200);
delay(200);
tone(9, 4000, 300);

lcd.begin(16, 2);
lcd.print("Hello STEM CLUB!");
}

void loop() {
//This loop changes the location of the LED marker (moving Light) from left to right and back again.
//During each itteration, the function "processDisplay" is activated.
//processDisplay is where all of the other stuff happens.

int index;

lcd.setCursor(0, 1);
lcd.print(millis() / 1000);
for(index = 0; index <= 7; index++)
{
    shiftWrite(index, HIGH);    // turn LED on
    delay(delayTime);           // pause to slow down the sequence
    shiftWrite(index, LOW);     // turn LED off
    processDisplay();
}
for(index = 6; index >= 1; index--)
{
    shiftWrite(index, HIGH);    // turn LED on
    delay(delayTime);           // pause to slow down the sequence
    shiftWrite(index, LOW);     // turn LED off
    processDisplay();
}
}

void processDisplay()
{
lbutton = digitalRead(14);
rbutton = digitalRead(15);
potValue = analogRead(3);
lcd.setCursor(0, 1);
lcd.print(millis() / 1000);
lightsense = analogRead(7);
tempsense = (0.25 * analogRead(6) - 20.50);
sprintf(tempString,"%02d%cC", tempsense,223);
lcd.setCursor(5, 1);
lcd.print(tempString);
lcd.setCursor(11, 1);
lcd.print(5-potValue*0.004883);
lcd.setCursor(15, 1);
lcd.print("V");
digitalWrite(13, lbutton);
if (lbutton==0)
    {
      tone(9, lightsense*50, 100);
    }
if (rbutton==0)
    {
      tone(9, 10000-potValue*10, 100);
    }
}

//This bit of code writes the current state of the LEDs to the board
void shiftWrite(int desiredPin, boolean desiredState)
{
bitWrite(data,desiredPin,desiredState);
shiftOut(12, 10, MSBFIRST, data);
digitalWrite(11, HIGH);
digitalWrite(11, LOW);
}