/*
* test.pde
* Alex Cheng (231a-ag)
*
* This program sets the buzzer off, and lights up the LED matrix
* in a 1, 2, 3 sequence. Then, it waits for the user to input the
* correct sequence. When the correct sequence is entered, then
* the buzzer turns off.
*
*/
int ledPin7 = 7; // all LED pins
int ledPin8 = 8;
int ledPin9 = 9;
int ledPin10 = 10;
int ledPin11 = 11;
int ledPin12 = 12;
int buzzerPin = 13; // buzzer pin
int keypadDPin3 = 3; // digital pins
int keypadDPin4 = 4;
int keypadDPin5 = 5;
int keypadAPin0 = 0; // analog pins
int keypadAPin1 = 1;
int keypadAPin2 = 2;
int padNumber3 = 0; // keypad numbers
int padNumber1 = 0;
int padNumber5 = 0;
int padNumber2 = 0;
int padNumber7 = 0;
int padNumber6 = 0;
int lastKey = 0; // last key pressed
int firstKey = 0; // first key pressed
int secondKey = 0; // second key pressed
int thirdKey = 0; // third key pressed
// SETUP
void setup() // run once, when the sketch starts
{
pinMode(ledPin7, OUTPUT); // sets outputs and inputs
pinMode(ledPin8, OUTPUT);
pinMode(ledPin9, OUTPUT);
pinMode(ledPin10, OUTPUT);
pinMode(ledPin11, OUTPUT);
pinMode(ledPin12, OUTPUT);
pinMode(buzzerPin, OUTPUT);
pinMode(keypadDPin3, OUTPUT);
pinMode(keypadDPin4, OUTPUT);
pinMode(keypadDPin5, OUTPUT);
pinMode(keypadAPin0, INPUT);
pinMode(keypadAPin1, INPUT);
pinMode(keypadAPin2, INPUT);
Serial.begin(9600); // display
delay(3000); // delay the initial flashing of the sequence
digitalWrite(ledPin7, HIGH); // flash "1" on LED matrix
digitalWrite(ledPin8, HIGH);
digitalWrite(ledPin9, LOW);
digitalWrite(ledPin10, HIGH);
digitalWrite(ledPin11, LOW);
digitalWrite(ledPin12, LOW);
delay(1000);
digitalWrite(ledPin9, HIGH);
digitalWrite(ledPin10, LOW);
digitalWrite(ledPin7, HIGH); // flash "2" on LED matrix
digitalWrite(ledPin8, HIGH);
digitalWrite(ledPin9, LOW);
digitalWrite(ledPin10, LOW);
digitalWrite(ledPin11, HIGH);
digitalWrite(ledPin12, LOW);
delay(1000);
digitalWrite(ledPin9, HIGH);
digitalWrite(ledPin11, LOW);
digitalWrite(ledPin7, HIGH); // flash "3" on LED matrix
digitalWrite(ledPin8, HIGH);
digitalWrite(ledPin9, LOW);
digitalWrite(ledPin10, LOW);
digitalWrite(ledPin11, LOW);
digitalWrite(ledPin12, HIGH);
delay(1000);
digitalWrite(ledPin9, HIGH);
digitalWrite(ledPin12, LOW);
}
void loop() { // run over and over again
digitalWrite(keypadDPin3, LOW);
digitalWrite(keypadDPin4, LOW);
digitalWrite(keypadDPin5, LOW);
padNumber3 = analogRead(keypadAPin0); // read analog pins
padNumber1 = analogRead(keypadAPin1);
padNumber5 = analogRead(keypadAPin2);
if (padNumber3 < 200) {
digitalWrite(keypadDPin3, HIGH);
digitalWrite(keypadDPin4, HIGH);
digitalWrite(keypadDPin5, LOW); // Is it 1?
padNumber3 = analogRead(keypadAPin0);
if (padNumber3 < 200) { // KEY PRESSED IS 1
digitalWrite(ledPin7, HIGH);
digitalWrite(ledPin8, HIGH);
digitalWrite(ledPin9, LOW);
digitalWrite(ledPin10, HIGH);
digitalWrite(ledPin11, LOW);
digitalWrite(ledPin12, LOW);
delay(100);
digitalWrite(ledPin9, HIGH);
digitalWrite(ledPin10, LOW);
lastKey = 1;
}
digitalWrite(keypadDPin3, HIGH);
digitalWrite(keypadDPin4, LOW);
digitalWrite(keypadDPin5, HIGH); // Is it 4?
padNumber3 = analogRead(keypadAPin0);
if (padNumber3 < 200) { // KEY PRESSED IS 4
digitalWrite(ledPin7, HIGH);
digitalWrite(ledPin8, LOW);
digitalWrite(ledPin9, HIGH);
digitalWrite(ledPin10, HIGH);
digitalWrite(ledPin11, LOW);
digitalWrite(ledPin12, LOW);
delay(100);
digitalWrite(ledPin8, HIGH);
digitalWrite(ledPin10, LOW);
lastKey = 4;
}
digitalWrite(keypadDPin3, LOW);
digitalWrite(keypadDPin4, HIGH);
digitalWrite(keypadDPin5, HIGH); // Is it 7?
padNumber3 = analogRead(keypadAPin0);
if (padNumber3 < 200) { // KEY PRESSED IS 7
digitalWrite(ledPin7, LOW);
digitalWrite(ledPin8, HIGH);
digitalWrite(ledPin9, HIGH);
digitalWrite(ledPin10, HIGH);
digitalWrite(ledPin11, LOW);
digitalWrite(ledPin12, LOW);
delay(100);
digitalWrite(ledPin7, HIGH);
digitalWrite(ledPin10, LOW);
lastKey = 7;
}
} else if (padNumber1 < 200) {
digitalWrite(keypadDPin3, HIGH);
digitalWrite(keypadDPin4, HIGH);
digitalWrite(keypadDPin5, LOW); // Is it 2?
padNumber1 = analogRead(keypadAPin1);
if (padNumber1 < 200) { // KEY PRESSED IS 2
digitalWrite(ledPin7, HIGH);
digitalWrite(ledPin8, HIGH);
digitalWrite(ledPin9, LOW);
digitalWrite(ledPin10, LOW);
digitalWrite(ledPin11, HIGH);
digitalWrite(ledPin12, LOW);
delay(100);
digitalWrite(ledPin9, HIGH);
digitalWrite(ledPin11, LOW);
lastKey = 2;
}
digitalWrite(keypadDPin3, HIGH);
digitalWrite(keypadDPin4, LOW);
digitalWrite(keypadDPin5, HIGH); // Is it 5?
padNumber1 = analogRead(keypadAPin1);
if (padNumber1 < 200) { // KEY PRESSED IS 5
digitalWrite(ledPin7, HIGH);
digitalWrite(ledPin8, LOW);
digitalWrite(ledPin9, HIGH);
digitalWrite(ledPin10, LOW);
digitalWrite(ledPin11, HIGH);
digitalWrite(ledPin12, LOW);
delay(100);
digitalWrite(ledPin8, HIGH);
digitalWrite(ledPin11, LOW);
lastKey = 5;
}
digitalWrite(keypadDPin3, LOW);
digitalWrite(keypadDPin4, HIGH);
digitalWrite(keypadDPin5, HIGH); // Is it 8?
padNumber1 = analogRead(keypadAPin1);
if (padNumber1 < 200) { // KEY PRESSED IS 8
digitalWrite(ledPin7, LOW);
digitalWrite(ledPin8, HIGH);
digitalWrite(ledPin9, HIGH);
digitalWrite(ledPin10, LOW);
digitalWrite(ledPin11, HIGH);
digitalWrite(ledPin12, LOW);
delay(100);
digitalWrite(ledPin7, HIGH);
digitalWrite(ledPin11, LOW);
lastKey = 8;
}
} else if (padNumber5 < 200) {
digitalWrite(keypadDPin3, HIGH);
digitalWrite(keypadDPin4, HIGH);
digitalWrite(keypadDPin5, LOW); // Is it 3?
padNumber5 = analogRead(keypadAPin2);
if (padNumber5 < 200) { // KEY PRESSED IS 3
digitalWrite(ledPin7, HIGH);
digitalWrite(ledPin8, HIGH);
digitalWrite(ledPin9, LOW);
digitalWrite(ledPin10, LOW);
digitalWrite(ledPin11, LOW);
digitalWrite(ledPin12, HIGH);
delay(100);
digitalWrite(ledPin9, HIGH);
digitalWrite(ledPin12, LOW);
lastKey = 3;
}
digitalWrite(keypadDPin3, HIGH);
digitalWrite(keypadDPin4, LOW);
digitalWrite(keypadDPin5, HIGH); // Is it 6?
padNumber5 = analogRead(keypadAPin2);
if (padNumber5 < 200) { // KEY PRESSED IS 6
digitalWrite(ledPin7, HIGH);
digitalWrite(ledPin8, LOW);
digitalWrite(ledPin9, HIGH);
digitalWrite(ledPin10, LOW);
digitalWrite(ledPin11, LOW);
digitalWrite(ledPin12, HIGH);
delay(100);
digitalWrite(ledPin8, HIGH);
digitalWrite(ledPin12, LOW);
lastKey = 6;
}
digitalWrite(keypadDPin3, LOW);
digitalWrite(keypadDPin4, HIGH);
digitalWrite(keypadDPin5, HIGH); // Is it 9?
padNumber5 = analogRead(keypadAPin2);
if (padNumber5 < 200) { // KEY PRESSED IS 9
digitalWrite(ledPin7, LOW);
digitalWrite(ledPin8, HIGH);
digitalWrite(ledPin9, HIGH);
digitalWrite(ledPin10, LOW);
digitalWrite(ledPin11, LOW);
digitalWrite(ledPin12, HIGH);
delay(100);
digitalWrite(ledPin7, HIGH);
digitalWrite(ledPin12, LOW);
lastKey = 9;
}
}
//Serial.print(lastKey);
if (firstKey == 0) { // check that the first key is still 0
firstKey = lastKey; // if 0, set it to last key pressed
} else if (secondKey == 0) { // check that the second key is still 0
if (lastKey != firstKey) { // check that it's not a copy of the first key
secondKey = lastKey; // if not equal, set to last key pressed
}
} else if (thirdKey == 0) { // check that the third key is still 0
if (lastKey != secondKey) { // check that it's not a copy of the second key
thirdKey = lastKey; // if not equal, set to last key pressed
}
}
Serial.print(firstKey);
Serial.print(secondKey);
Serial.print(thirdKey);
if (firstKey == 1) { // if the first key is 1
if (secondKey == 2) { // if the second key is 2
if (thirdKey == 3) { // if the third key is 3
digitalWrite(buzzerPin, HIGH); // then turn off buzzer, sequence is correct
}
}
} else {
digitalWrite(buzzerPin, LOW); // otherwise, keep buzzer on
}
}
