import utime
#checar  VisualPolitik
import machine
from machine import I2C
from lcd_api import LcdApi
from pico_lcd_api import I2cLcd

I2C_ADDR     = 0x27
I2C_NUM_ROWS = 4
I2C_NUM_COLS = 20

def test_main():
    #Test function for verifying basic functionality
    print("Running test_main")
    i2c = I2C(0, sda=machine.Pin(0), scl=machine.Pin(1), freq=400000)
    lcd = I2cLcd(i2c, I2C_ADDR, I2C_NUM_ROWS, I2C_NUM_COLS)    
    lcd.putstr("It Works!")
    utime.sleep(2)
    lcd.clear()
    count = 0

b1 = Pin(16, Pin.IN, Pin.PULL_UP)
b2 = Pin(17, Pin.IN, Pin.PULL_UP)

def fun_b1(b1):
    global count
    
    count = count + 1
    if count == 100:
        count = 0

    lcd.cursor(6, 1)
    lcd.putstr("{:04}",format(count))

b1.irq(trigger = Pin.IRQ_FALLING, handler =fun_b1 )    
b2.irq(trigger = Pin.IRQ_FALLING, handler =fun_b1 ) 

while True:
       pass