LilyPad Wrist Band POV

Step 7 Source Code Part 2

The Entire Code

#define NUM_ELEM(x) (sizeof (x) / sizeof (*(x)))

int lilypad[] = {
1,1,1,1,1,1,1,1, //L
1,0,0,0,0,0,0,0,
1,0,0,0,0,0,0,0,
1,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,

1,1,1,1,0,1,0,0, //i
0,0,0,0,0,0,0,0,

1,1,1,1,1,1,1,1, //l
0,0,0,0,0,0,0,0,

1,0,0,0,0,1,1,0, //y
0,1,0,0,1,0,0,0,
0,0,1,1,0,0,0,0,
0,0,0,1,1,1,1,0,
0,0,0,0,0,0,0,0,

1,1,1,1,1,1,1,1, //p
0,0,0,0,1,0,0,1,
0,0,0,0,1,0,0,1,
0,0,0,0,0,1,1,1,
0,0,0,0,0,0,0,0,

1,1,1,1,0,0,0,0, //a
1,0,0,1,0,0,0,0,
1,0,0,1,1,0,0,0,
1,1,1,1,1,0,0,0,
0,0,0,0,0,0,0,0,

1,1,1,1,0,0,0,0, //d
1,0,0,1,0,0,0,0,
0,0,0,1,0,0,0,0,
1,1,1,1,1,1,1,1,
0,0,0,0,0,0,0,0};


int ledPin13 = 13; // LED connected to digital pin 13
int ledPin12 = 12; // LED connected to digital pin 13
int ledPin11 = 11; // LED connected to digital pin 13
int ledPin10 = 10; // LED connected to digital pin 13
int ledPin9 = 9; // LED connected to digital pin 13
int ledPin8 = 8; // LED connected to digital pin 13
int ledPin7 = 7; // LED connected to digital pin 13
int ledPin6 = 6; // LED connected to digital pin 13
int ground = 5; // LED connected to digital 5 "ground"

int ledPinArray[8] = {6,7,8,9,10,11,12,13};
// The setup() method runs once, when the sketch starts

int columnDelay;
int sizeWord = 0;
void setup() {
// initialize the digital pin as an output:
for(int i = 0; i < 8; i++){
pinMode(ledPinArray[i],OUTPUT);
}
pinMode(ground, OUTPUT);
digitalWrite(ground, LOW);

columnDelay = 2.5; //wait 2.5ms between each column flash
Serial.begin(9600);
Serial.print("Number of lilypad: ");
Serial.println(NUM_ELEM(lilypad));
delay(2000);
sizeWord = NUM_ELEM(lilypad);
}

// the loop() method runs over and over again,
// as long as the Arduino has power

/*void loop()
{
for(int i = 0; i < 8; i++){
digitalWrite(ledPinArray[i],HIGH);
}

delay(1000); // wait for a second
for(int i = 0; i < 8; i++){
digitalWrite(ledPinArray[i],LOW);
}
delay(1000); // wait for a second
}*/

void loop()
{
//Serial.print("Number of lilypad: ");
//Serial.println(NUM_ELEM(lilypad));
//delay(1000);
printWord(lilypad);
delay(8); //wait a little bit between each display of the word LilyPad
}

void printWord(int wordVar[]) {

int numRows = sizeWord/8;
for(int j = 0; j < numRows; j++) {
for(int i = 0; i<8; i++) {
digitalWrite(i+6, wordVar[i+j*8]);
}
delay(columnDelay);
}
} 

Comments

[Zovits]

Why did you create the ledPin6-ledPin13 variables?
They don't seem to be used anywhere.
Or is it a way to tell the Lilypad that those outputs are used to power LEDs?

[quasiben]

 You're right.  I was using those variable in a previous version of the code.  I will take them out and repost.  Thanks!  For what it's worth, I am telling the Lilypad to use pins 6-13 as output using the following code:
int ledPinArray[8] = {6,7,8,9,10,11,12,13};

for(int i = 0; i < 8; i++){
   pinMode(ledPinArray[i],OUTPUT);
}