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	- Project: Ultrasonic Control
	- Source Code compiled for: Arduino Nano
	- Source Code created on: 2024-01-22 14:32:19

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
	/* if the distance to the detector is 20 cm, 1 LED */
	/* lights up, if the distance is 15 cm, 2 LEDs light */
	/* up, if the distance is 10 cm, 3 LEDs light up, if */
	/* the distance is 5 cm, 4 LEDs light up, if the */
	/* distance is 2 cm, all 5 LEDs light up and the */
	/* piezo sque */
/****** END SYSTEM REQUIREMENTS *****/

/****** DEFINITION OF LIBRARIES *****/
#include 
#include 

/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
/* if the distance to the detector is 20 cm, 1 LED */
/* lights up, if the distance is 15 cm, 2 LEDs light */
/* up, if the distance is 10 cm, 3 LEDs light up, if */
/* the distance is 5 cm, 4 LEDs light up, if the */
/* distance is 2 cm, all 5 LEDs light up and the */
/* piezo sque */

/****** FUNCTION PROTOTYPES *****/
void setup(void);
void loop(void);
void lightUpLED(int ledCount);
void turnOffLEDs();

/***** DEFINITION OF DIGITAL INPUT PINS *****/
const uint8_t distance_HC_SR04_Echo_PIN = 5;

/***** DEFINITION OF DIGITAL OUTPUT PINS *****/
const uint8_t svitlo_LED_PIN_D3 = 3;
const uint8_t distance_HC_SR04_Trigger_PIN_D4 = 4;

/***** CONSTANTS FOR DISTANCE RANGES *****/
const int DISTANCE_RANGE_1 = 20; // Distance range for 1 LED
const int DISTANCE_RANGE_2 = 15; // Distance range for 2 LEDs
const int DISTANCE_RANGE_3 = 10; // Distance range for 3 LEDs
const int DISTANCE_RANGE_4 = 5;  // Distance range for 4 LEDs
const int DISTANCE_RANGE_5 = 2;  // Distance range for all 5 LEDs

/****** DEFINITION OF LIBRARY CLASS INSTANCES*****/
Ultrasonic ultrasonic(distance_HC_SR04_Trigger_PIN_D4, distance_HC_SR04_Echo_PIN);

void setup(void)
{
    // put your setup code here, to run once:
    pinMode(distance_HC_SR04_Echo_PIN, INPUT);
    pinMode(svitlo_LED_PIN_D3, OUTPUT);
    pinMode(distance_HC_SR04_Trigger_PIN_D4, OUTPUT);
}

void loop(void)
{
    // put your main code here, to run repeatedly:
    int distance = ultrasonic.read();

    if (distance >= DISTANCE_RANGE_1)
    {
        lightUpLED(1);
    }
    else if (distance >= DISTANCE_RANGE_2)
    {
        lightUpLED(2);
        // Add code to light up the second LED
    }
    else if (distance >= DISTANCE_RANGE_3)
    {
        lightUpLED(3);
        // Add code to light up the third LED
    }
    else if (distance >= DISTANCE_RANGE_4)
    {
        lightUpLED(4);
        // Add code to light up the fourth LED
    }
    else if (distance >= DISTANCE_RANGE_5)
    {
        lightUpLED(5);
        // Add code to light up all five LEDs
        // Add code for the piezo sound
    }
    else
    {
        turnOffLEDs();
        // Add code to turn off the piezo sound
    }
}

void lightUpLED(int ledCount)
{
    digitalWrite(svitlo_LED_PIN_D3, HIGH);
    // Add code to light up the specified number of LEDs
}

void turnOffLEDs()
{
    digitalWrite(svitlo_LED_PIN_D3, LOW);
    // Add code to turn off all LEDs
}