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	- Project: Distance Trigger
	- Source Code NOT compiled for: Arduino Uno
	- Source Code created on: 2024-04-24 19:36:50

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
	/* gives signal when the sensor senses there is */
	/* something less then 5cm apart */
/****** END SYSTEM REQUIREMENTS *****/

/****** DEFINITION OF LIBRARIES *****/
#include <HCSR04.h>  // Include the HCSR04 library

/****** FUNCTION PROTOTYPES *****/
void setup(void);
void loop(void);
void updateOutputs(void);  // Add function prototype for updateOutputs

/***** DEFINITION OF DIGITAL INPUT PINS *****/
const uint8_t us_HC_SR04_Echo_PIN_D3 = 3;

/***** DEFINITION OF DIGITAL OUTPUT PINS *****/
const uint8_t us_HC_SR04_Trigger_PIN_D2 = 2;

/***** DEFINITION OF OUTPUT RAW VARIABLES *****/
/***** used to store raw data *****/
bool us_HC_SR04_Trigger_PIN_D2_rawData = 0;

/***** DEFINITION OF OUTPUT PHYSICAL VARIABLES *****/
/***** used to store data after characteristic curve transformation *****/
float us_HC_SR04_Trigger_PIN_D2_phyData = 0.0;

/****** DEFINITION OF LIBRARIES CLASS INSTANCES*****/
UltraSonicDistanceSensor distanceSensor(us_HC_SR04_Trigger_PIN_D2, us_HC_SR04_Echo_PIN_D3);  // Initialize the sensor object

void setup(void)
{
  // put your setup code here, to run once:
  pinMode(us_HC_SR04_Echo_PIN_D3, INPUT);
  pinMode(us_HC_SR04_Trigger_PIN_D2, OUTPUT);
  Serial.begin(9600);  // Initialize serial connection
}

void loop(void)
{
  // put your main code here, to run repeatedly:
  float distance = distanceSensor.measureDistanceCm();  // Measure distance using the sensor
  if (distance < 5) {
    updateOutputs();  // Call updateOutputs function if distance is less than 5cm
  }
  Serial.println(distance);  // Print the distance
  delay(500);
}

void updateOutputs()
{
  digitalWrite(us_HC_SR04_Trigger_PIN_D2, us_HC_SR04_Trigger_PIN_D2_rawData);
}

/* END CODE */