Seeing what is entered on the keyboard and using it to make decisions

Projects Programming
1

I don't know how to make the program see what is entered on the keyboard, and take it and make the decisions based on what was entered.

Can anyone help me figure out what code I need to enter into the following code to accomplish this task?

void loop ()
{
Serial.println ("Press the number of the test that you would like to perform...");
Serial.println ("01 = redLed, 02 = greenLed, 03 = yellowLed, 04 = speaker, 05 = leftPhotoCell");
Serial.println ("06 = rightPhotoCell, 07 = leftIRLed/Detector, 08 = rightIRLed/Detector,");
Serial.println ("09 = pushButton, 10 = leftServo, 11 = rightServo");
Serial.println ("Make your selection");
while ((input = Serial.read()) == -1);

if (Serial.read() == 01)
{

Serial.println ("Testing redLed, the redLed will flash 4 times at 2 Hz");
delay(2000);

digitalWrite (redLed, HIGH);
delay(250);
digitalWrite (redLed, LOW);
delay(250);

Serial.println ("Test Complete");
delay(2000);
}

2

You should be checking Serial.available() to see if there is anything in the buffer to read before calling Serial.read(). Also, Serial.read() reads a single byte of information at once - one that is probably sent as an ASCII character (ie, one digit at a time). Your comparison should thus be Serial.read() == '1'.

Serial.read() always reads the NEXT value - instead of reading a bunch of values you haven't received yet, store the value you have received as char c = Serial.read();.

3

That was discussed here:

http://arduino.cc/forum/index.php/topic,61255.0.html