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	- Project: Ultrasonic Distance
	- Source Code compiled for: Arduino Pro Mini 5V
	- Source Code created on: 2024-02-16 14:48:51

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
	/* The drone should have a trigger pin (D2) and an */
	/* echo pin (D3) connected to the HC-SR04 sensor for */
	/* accurate distance measurement. */
/****** END SYSTEM REQUIREMENTS *****/

/****** DEFINITION OF LIBRARIES *****/
#include <Ultrasonic.h>

/****** FUNCTION PROTOTYPES *****/
void setup(void);
void loop(void);
void updateOutputs(void);
void printDistance(void);

/***** DEFINITION OF DIGITAL INPUT PINS *****/
const uint8_t sensor_HC_SR04_Echo_PIN_D3 = 3;

/***** DEFINITION OF DIGITAL OUTPUT PINS *****/
const uint8_t sensor_HC_SR04_Trigger_PIN_D2 = 2;

/***** DEFINITION OF OUTPUT RAW VARIABLES *****/
bool sensor_HC_SR04_Trigger_PIN_D2_rawData = false;

/***** DEFINITION OF OUTPUT PHYSICAL VARIABLES *****/
float sensor_HC_SR04_Trigger_PIN_D2_phyData = 0.0;

/****** DEFINITION OF CLASS INSTANCES*****/
Ultrasonic ultrasonic(sensor_HC_SR04_Trigger_PIN_D2, sensor_HC_SR04_Echo_PIN_D3);

void setup(void)
{
  // put your setup code here, to run once:
  pinMode(sensor_HC_SR04_Echo_PIN_D3, INPUT);
  pinMode(sensor_HC_SR04_Trigger_PIN_D2, OUTPUT);

  Serial.begin(9600); // Initialize serial communication

  // Print the header of the distance data
  Serial.println("Distance Measurement");
}

void loop(void)
{
  // put your main code here, to run repeatedly:
  updateOutputs(); // Refresh output data
  printDistance(); // Print the distance to the serial monitor

  delay(1000); // Delay for 1 second
}

void updateOutputs()
{
  digitalWrite(sensor_HC_SR04_Trigger_PIN_D2, sensor_HC_SR04_Trigger_PIN_D2_rawData);
}

void printDistance()
{
  unsigned int distance = ultrasonic.read();
  Serial.print("Distance: ");
  Serial.print(distance);
  Serial.println(" cm");
}