//****************************************************
//*                                                  *
//* NAME                : Sami Zeitoun               *
//* PROGRAM NAME        : program1.ino               *
//* DATE                : 2023-02-21                 *
//* DESCRIPTION         : Program to shorten the     *
//*                       code for light             *
//*                        patterns and buzzer       *
//*                                                  *
//****************************************************


int buttonPin     =6;                       // the pin for the button
int speakerPin    =7;                       // the pin for the speaker
int patternNumber  =1;                      // tracks what patter its on 
int patternDelay  =100;                     // delay in milliseconds between pattern steps
int patternArray [6][3] = { {4,12,28} , {24,20,12} , {16,8,4} , {16,24,28}  , {12,20,24} , {4,8,16},  }; // array including all thje 6 patterns in decimal format
int patternStep = 0;

void setup() {
  DDRB = B111111;                               // initialize PORTB pins to OUTPUTS
  pinMode(buttonPin, INPUT_PULLUP);             // config pin 6 to an INPUT_PULLUP
  pinMode(speakerPin, OUTPUT);                  // config pin 7 to an OUTPUT
}// end setup()


void loop(){

 if (digitalRead(buttonPin) == LOW ){       // check if button pressed
    patternNumber = patternNumber + 1;       // plays next pattern

    if (patternNumber == 6) {                // checks if patternNumber exeeds the maxium number of 6
      patternNumber = 0;                    // reset patternNumber to first pattern
    }// end if()


    tone(speakerPin,500,100);                // play buzzer
    delay(110);                              // delay to keep buzzer playing
  } // end setup()

  PORTB = patternArray[patternNumber][patternStep]; // setting the current pattern using array
  delay(patternDelay);                            // delay to keep pattern running
  patternStep++;                                  // move to next pattern step

  if (patternStep == 3){                        // check if pattern number exceeds
   patternStep = 0;                             // reset pattern number to 1
} // end if()

  Serial.print(patternNumber);


}