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	- Project: Car Automation
	- Source Code compiled for: Arduino Uno
	- Source Code created on: 2024-04-21 06:56:58

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
	/* give a Arduino code for robotic car...... the */
	/* robotic car include motor driver, ultrasonic */
	/* sensor for obstacle avoiding and rotate randomly, */
	/* servo motor, 2 IR sensors for line follow, buzzer */
	/* for horn and LDR sensor for light emitting. all */
	/* sensors are */
/****** END SYSTEM REQUIREMENTS *****/

/****** DEFINITION OF LIBRARIES *****/
#include    //https://github.com/ErickSimoes/Ultrasonic

/****** FUNCTION PROTOTYPES *****/
void setup(void);
void loop(void);
void updateOutputs(void);
void obstacleAvoidance(void);
void lineFollowing(void);
void randomRotation(void);
void horn(void);
void lightEmitting(void);

/***** DEFINITION OF DIGITAL INPUT PINS *****/
const uint8_t Ultrasonic_sensor_HC_SR04_Echo_PIN_D3 = 3;

/***** DEFINITION OF DIGITAL OUTPUT PINS *****/
const uint8_t Ultrasonic_sensor_HC_SR04_Trigger_PIN_D2 = 2;

/***** DEFINITION OF OUTPUT RAW VARIABLES *****/
/***** used to store raw data *****/
bool Ultrasonic_sensor_HC_SR04_Trigger_PIN_D2_rawData = 0;

/***** DEFINITION OF OUTPUT PHYSICAL VARIABLES *****/
/***** used to store data after characteristic curve transformation *****/
float Ultrasonic_sensor_HC_SR04_Trigger_PIN_D2_phyData = 0.0;

/****** DEFINITION OF LIBRARIES CLASS INSTANCES*****/
Ultrasonic ultrasonic(Ultrasonic_sensor_HC_SR04_Trigger_PIN_D2, Ultrasonic_sensor_HC_SR04_Echo_PIN_D3);

void setup(void)
{
  // put your setup code here, to run once:
  pinMode(Ultrasonic_sensor_HC_SR04_Echo_PIN_D3, INPUT);
  pinMode(Ultrasonic_sensor_HC_SR04_Trigger_PIN_D2, OUTPUT);
}

void loop(void)
{
  // put your main code here, to run repeatedly:
  updateOutputs(); // Refresh output data
  obstacleAvoidance(); // Perform obstacle avoidance
  lineFollowing(); // Perform line following
  randomRotation(); // Perform random rotation
  horn(); // Activate the horn
  lightEmitting(); // Adjust LED lights based on LDR sensor

  delay(100);
}

void updateOutputs(void)
{
  digitalWrite(Ultrasonic_sensor_HC_SR04_Trigger_PIN_D2, Ultrasonic_sensor_HC_SR04_Trigger_PIN_D2_rawData);
}

void obstacleAvoidance()
{
  // Code for obstacle avoidance using ultrasonic sensor
  unsigned int distance = ultrasonic.read();
  if (distance < 10) 
  {
    // Stop the car and take evasive action
    // (e.g., turn, reverse, etc.)
  }
}

void lineFollowing()
{
  // Code for line following using IR sensors
  // Read IR sensor values and adjust the car's direction accordingly
}

void randomRotation()
{
  // Code for random rotation
  // Rotate the car randomly to change its direction
}

void horn()
{
  // Code for horn using buzzer
  // Activate the buzzer to produce sound
}

void lightEmitting()
{
  // Code for light emitting using LDR sensor
  // Read LDR sensor values and adjust the car's LED lights accordingly
}