prova2 rev_03

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    - Project: prova2
    - Source Code compiled for: Arduino Pro Mini 5V
    - Source Code created on: 2023-10-18 18:41:24
    - Source Code generated by: Francesco Alessandro

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/****** DEFINITION OF LIBRARIES *****/
#include <Arduino.h>
#include <Wire.h>
#include <Adafruit_SSD1306.h>

/****** SYSTEM REQUIREMENT 1 *****/
/* if button is pressed two times within 0.5 seconds, */
/* so display "hello" which scroll from left to right */
/* and then activate the LED for 2 seconds. */

/****** FUNCTION PROTOTYPES *****/
void setup(void);
void loop(void);
void displayHello(void);

/***** DEFINITION OF DIGITAL INPUT PINS *****/
const uint8_t myButton_PushButton_PIN_D3 = 3;

/***** DEFINITION OF DIGITAL OUTPUT PINS *****/
const uint8_t blueLed_LED_PIN_D2 = 2;

/***** DEFINITION OF I2C PINS *****/
const uint8_t display_SSD1306OledDisplay_I2C_PIN_SDA_A4 = A4;
const uint8_t display_SSD1306OledDisplay_I2C_PIN_SCL_A5 = A5;
const uint8_t display_SSD1306OledDisplay_I2C_SLAVE_ADDRESS = 0x3C;

// Global variables
unsigned long buttonPressTime = 0;
int buttonPressCount = 0;

Adafruit_SSD1306 display(display_SSD1306OledDisplay_I2C_SLAVE_ADDRESS);

void setup(void)
{
  // put your setup code here, to run once:

  pinMode(myButton_PushButton_PIN_D3, INPUT_PULLUP);
  pinMode(blueLed_LED_PIN_D2, OUTPUT);

  display.begin(SSD1306_SWITCHCAPVCC, display_SSD1306OledDisplay_I2C_PIN_SDA_A4, display_SSD1306OledDisplay_I2C_PIN_SCL_A5);
  display.clearDisplay();
  display.setTextSize(2);
  display.setTextColor(WHITE);
}

void loop(void)
{
  // put your main code here, to run repeatedly:

  // Check if button is pressed
  if (digitalRead(myButton_PushButton_PIN_D3) == LOW)
  {
    // Record the time of button press
    if (buttonPressCount == 0)
    {
      buttonPressTime = millis();
    }

    // Increment button press count
    buttonPressCount++;

    // Check if button was pressed two times within 0.5 seconds
    if (buttonPressCount == 2 && millis() - buttonPressTime <= 500)
    {
      // Display "hello" scrolling from left to right
      displayHello();

      // Activate the LED for 2 seconds
      digitalWrite(blueLed_LED_PIN_D2, HIGH);
      delay(2000);
      digitalWrite(blueLed_LED_PIN_D2, LOW);

      // Reset button press count
      buttonPressCount = 0;
    }
  }
}

void displayHello(void)
{
  display.clearDisplay();
  display.setCursor(0, 0);
  display.println("hello");
  display.display();

  int16_t scrollPos = display.width();
  while (scrollPos >= -display.width())
  {
    display.clearDisplay();
    display.setCursor(scrollPos, 0);
    display.println("hello");
    display.display();
    delay(100);
    scrollPos--;
  }
}