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	- Project: Button Control
	- Source Code compiled for: Arduino Uno
	- Source Code created on: 2023-12-29 09:24:34

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/****** SYSTEM REQUIREMENTS *****/
/****** SYSTEM REQUIREMENT 1 *****/
	/* if pushbutton P1 is switched ON then Output led */
	/* will turn ON and remain ON, this output led status */
	/* will be saved to EEPROM. And if pushbutton p2 is */
	/* switched ON then output led will turn OFF and */
	/* remain OFF. This will also save to EEPROM in void */
	/* loop */
/****** END SYSTEM REQUIREMENTS *****/

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

/****** FUNCTION PROTOTYPES *****/
void setup(void);
void loop(void);
void saveStateToEEPROM(uint8_t state);

/***** DEFINITION OF DIGITAL INPUT PINS *****/
const uint8_t P1_PushButton_PIN_D2 = 2;
const uint8_t P2_PushButton_PIN_D3 = 3;

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

/****** DEFINITION OF LIBRARIES CLASS INSTANCES*****/
EasyButton button1(P1_PushButton_PIN_D2);
EasyButton button2(P2_PushButton_PIN_D3);

void setup(void)
{
  // put your setup code here, to run once:
  pinMode(led_LED_PIN_D4, OUTPUT);

  button1.begin();
  button2.begin();

  // Read the saved state from EEPROM and set the LED accordingly
  uint8_t savedState = eeprom_read_byte((uint8_t*)0);
  digitalWrite(led_LED_PIN_D4, savedState);
}

void loop(void)
{
  // put your main code here, to run repeatedly:
  button1.read();
  button2.read();

  // Check if button1 is pressed and save the state to EEPROM
  if (button1.isPressed()) {
    digitalWrite(led_LED_PIN_D4, HIGH);
    saveStateToEEPROM(HIGH);
  }

  // Check if button2 is pressed and save the state to EEPROM
  if (button2.isPressed()) {
    digitalWrite(led_LED_PIN_D4, LOW);
    saveStateToEEPROM(LOW);
  }
}

void saveStateToEEPROM(uint8_t state)
{
  eeprom_write_byte((uint8_t*)0, state);
  eeprom_busy_wait();
}