# Importar librerias
from machine import I2C, Pin, ADC
from utime import sleep_ms
from lcd_api import LcdApi
from pico_i2c_lcd import I2cLcd

# Definimos las variables
adc = ADC(0)

# Dirección del I2C y tamaño del LCD
I2C_ADDR = 0x27
I2C_NUM_ROWS = 2
I2C_NUM_COLS = 16

# Raspberry Pi Pico
i2c = I2C(0, sda = Pin(0), scl = Pin(1), freq = 400000)

# Configuración LCD
lcd = I2cLcd(i2c, I2C_ADDR, I2C_NUM_ROWS, I2C_NUM_COLS)

def lcd_str(message, col, row):
    lcd.move_to(col, row)
    lcd.putstr(message)

while True:
    valor = adc.read_u16()
    voltaje0 = (valor*3.3)/65535
    voltaje = str(round(voltaje0, 2))

    potenciometro = str(adc.read_u16())
    lcd_str("D:    | V:", 0, 0)
    lcd_str(potenciometro, 0, 1)
    lcd_str(voltaje, 8, 1)