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	- Project: "Servo Control"
	- Source Code compiled for: Arduino Nano
	- Source Code created on: 2024-03-30 19:58:42

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
	/* servo go 90 degres if button is presed? led on */
/****** SYSTEM REQUIREMENT 2 *****/
	/* When the push button is pressed, the servo motor */
	/* should rotate to 90 degrees and the LED should */
	/* turn on.  If button not pressed servo go 180 */
	/* degrees after 2 seconds and led off */
/****** END SYSTEM REQUIREMENTS *****/

/****** DEFINITION OF LIBRARIES *****/
#include 	// https://github.com/arduino-libraries/Servo
#include 	// https://github.com/evert-arias/EasyButton

/****** FUNCTION PROTOTYPES *****/
void setup(void);
void loop(void);
void onPressed(void); // Function prototype for button press event

/***** DEFINITION OF DIGITAL INPUT PINS *****/
const uint8_t button_PushButton_PIN_D2 = 2;

/***** DEFINITION OF DIGITAL OUTPUT PINS *****/
const uint8_t led_LED_PIN_D4 = 4;

/***** DEFINITION OF PWM OUTPUT PINS *****/
const uint8_t servo_Servomotor_PWMSignal_PIN_D3 = 3;

/***** DEFINITION OF OUTPUT RAW VARIABLES *****/
/***** used to store raw data *****/
bool led_LED_PIN_D4_rawData = false;
uint8_t servo_Servomotor_PWMSignal_PIN_D3_rawData = 0;

/***** DEFINITION OF OUTPUT PHYSICAL VARIABLES *****/
/***** used to store data after characteristic curve transformation *****/
float led_LED_PIN_D4_phyData = 0.0;
float servo_Servomotor_PWMSignal_PIN_D3_phyData = 0.0;

/****** DEFINITION OF LIBRARIES CLASS INSTANCES*****/
Servo myservo; // Servo object instance
EasyButton button(button_PushButton_PIN_D2); // EasyButton object instance

void setup(void)
{
  // put your setup code here, to run once:
  myservo.attach(servo_Servomotor_PWMSignal_PIN_D3); // Attaching servo to the PWM pin
  
  pinMode(button_PushButton_PIN_D2, INPUT_PULLUP);
  pinMode(led_LED_PIN_D4, OUTPUT);
  pinMode(servo_Servomotor_PWMSignal_PIN_D3, OUTPUT);
  
  button.begin(); // Initialize the EasyButton library
  button.onPressed(onPressed); // Set the onPressed callback function for the button press event
}

void loop(void)
{
  // put your main code here, to run repeatedly:
  updateOutputs(); // Refresh output data
  
  button.read(); // Read the button state

  // Servo control based on button state
  if (button.isPressed()) {
    myservo.write(90); // Rotate servo to 90 degrees
    digitalWrite(led_LED_PIN_D4, HIGH); // Turn on the LED
  } else {
    delay(2000); // Wait for 2 seconds
    myservo.write(180); // Rotate servo to 180 degrees
    digitalWrite(led_LED_PIN_D4, LOW); // Turn off the LED
  }
}

void updateOutputs()
{
  digitalWrite(led_LED_PIN_D4, led_LED_PIN_D4_rawData);
  analogWrite(servo_Servomotor_PWMSignal_PIN_D3, servo_Servomotor_PWMSignal_PIN_D3_rawData);
}

void onPressed()
{
  // Button press event handler
  led_LED_PIN_D4_rawData = !led_LED_PIN_D4_rawData; // Toggle the LED state
}