from machine import I2C, Pin 

from time import sleep 

from pico_i2c_lcd import I2cLcd 

 

def hide_cursor_count(lcd): 

    """Hide the cursor and display a count from 0 to 19.""" 

    lcd.clear() 

    lcd.hide_cursor() 

    for count in range(20): 

        lcd.putstr(str(count)) 

        sleep(0.4) 

        lcd.clear() 

 

def initialize_i2c_lcd(sda_pin, scl_pin, i2c_freq): 

    """Initialize the I2C LCD display with the given parameters.""" 

    i2c_bus = I2C(0, sda=Pin(sda_pin), scl=Pin(scl_pin), freq=i2c_freq) 

    i2c_address = i2c_bus.scan()[0] 

    return I2cLcd(i2c_bus, i2c_address, 4, 20), i2c_address 

 

def display_address(lcd, i2c_address): 

    """Display the I2C address in decimal and hexadecimal formats.""" 

    lcd.blink_cursor_on() 

    for address_format in (str, hex): 

        lcd.putstr("1 Linha             ") 

        lcd.putstr("2 Linha             ")

        lcd.putstr("3 Linha             ") 

        lcd.putstr("4 Linha             ") 

        sleep(2) 

        lcd.clear() 

    lcd.blink_cursor_off() 

 

def hide_cursor_count(lcd): 

    """Hide the cursor and display a count from 0 to 19.""" 

    lcd.clear() 

    lcd.hide_cursor() 

    for count in range(10000): 

        lcd.putstr(str(count)) 

        sleep(0.4) 

        lcd.clear() 

 

"""Main function to run the I2C LCD display example.""" 

lcd_display, i2c_address = initialize_i2c_lcd(sda_pin=0, scl_pin=1, i2c_freq=40000000) 

while True: 

    display_address(lcd_display, i2c_address) 

    hide_cursor_count(lcd_display)