project that utilizes Arduino Code to control a small LCD screen. When i run it it does mot work. Can you please help me find error in code?

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 project that utilizes Arduino Code to control a small LCD screen. When i run it it does mot work. Can you please help me find error in code?

 

The code that I have so far, a picture of the board and some feedback that I have received but didn’t work when I implemented it. Is there an error in my code? Am I missing something?

 

The project involves entering a 16 digit pass code using two buttons and seeing various results on a small LCD screen. In its current state the introduction displays on the screen but pressing the buttons does nothing

 

Code that I have so far:

#include <LiquidCrystal.h> //the LC library

LiquidCrystal lcd(13, 12, 11, 10, 9, 8); // pin locations for the LCD

 

//set pins for the buttons int button[] = {5, 7};

 

int pressedButton = 2; //a variable to remember which button is being pressed. 2 is the value if no button is being pressed.

int counter = (0); //tracks which character of the password the user is on

int buttonSequence[16] = {0, 1, 1, 0, 0, 0, 0, 1, 0, 1, 1, 0, 1, 1, 0, 0}; //make an array of the characters that will be the password int digitsInCode = 16;

 

boolean programStart = false; //variable to tell the program whether or not to play the start sequence

 

// FUNCTIONS

 

//START SEQUENCE

void startSequence() {

 

lcd.clear(); //clear the display

lcd.setCursor(0, 0); //set the cursor to the 0,0 position (top left corner)

lcd.print("SECURITY"); //print SECURITY starting at that position lcd.setCursor(0, 1); //set the cursor to the 0,0 position (bottom left corner)

lcd.print("CHECK"); //print CHECK starting at that position delay(3000); //wait for 3 seconds

lcd.clear(); //clear the display

lcd.setCursor(0, 0); //set the cursor to the 0,0 position (top left corner)

int counter = (0);

}

 

//CHECK WHICH BUTTON IS PRESSED

int buttonCheck() {

//check if any buttons are being pressed if (digitalRead(button[0]) == LOW) { return 0;

} else if (digitalRead(button[1]) == LOW) { return 1;

} else {

return 2; //this will be the value for no button being pressed

}

}

 

//CORRECT PASSWORD SEQUENCE

 

void correctPass() {

 

lcd.setCursor(0, 1); lcd.print("Correct!");

 

delay(2000); lcd.clear();

 

lcd.setCursor(0, 0); lcd.print("CONGRATS"); lcd.setCursor(0, 1); lcd.print("YOU GOT IT RIGHT!");

}

 

//WRONG SEQUENCE

void wrongSequence() {

 

lcd.setCursor(0, 1); //move the cursor to the first space of the bottom row

lcd.print("Incorrect"); //print Incorrect at that position delay(3000); //wait for 3 seconds

programStart = false; //reset the program so that the start sequence will play again.

}

 

//

 

 

 

 

 

void setup() {

 

lcd.begin(16, 2); //tell the lcd library that we are using a display that is 16 characters wide and 2 characters high

lcd.clear(); //clear the display

 

//set the button pins as inputs pinMode(button[0], INPUT_PULLUP); pinMode(button[1], INPUT_PULLUP);

 

int counter = (0); //make a variable to count the correct characters entered by the user

 

}

 

void loop() {

 

if (programStart == false); { //if the password program hasn't started yet

startSequence(); //play the start sequence counter = 0; //reset the counter delay(1500); //wait a second and a half

programStart = true; //set programStart to true so that this sequence doesn't start again

}

 

lcd.setCursor(0, 0); //set the cursor to the 0,0 position (top left corner)

lcd.print("Enter Password:"); //print Enter Password: starting at that position

 

for (int i = 0; i <= counter; i++) {

 

while (programStart == true); //Loop until the program is false

 

pressedButton = buttonCheck(); //every loop check to see which button is pressed

 

if (pressedButton < 2) { //if a button is pressed... (2 means that no button is pressed)

 

lcd.setCursor(0, 1); //move the cursor to the first space of the bottom row

lcd.print(pressedButton); //print 0 at that position

 

if (pressedButton == buttonSequence[i]) { //if the button matches the button in the sequence

delay(250); //leave the 0 on for a moment lcd.clear();

break;

}

else { //if the wrong key is pressed wrongSequence();

break;

}

}

else { lcd.clear();

}

}

 

 

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