from machine import Pin, enable_irq, disable_irq
from time import ticks_ms, sleep_ms

encDt = Pin(25, Pin.IN)
endClk = Pin(13, Pin.IN)


pulsos = 0

horaDeMedir = 0


def contaPulso(p):
    global pulsos

    pulsos += 1


encDt.irq(trigger=Pin.IRQ_RISING|Pin.IRQ_FALLING, handler=contaPulso)

while True:
    intervalo = ticks_ms() - horaDeMedir
    if  intervalo >= 1000:
        contexto = disable_irq()
        velocidade = pulsos*250/intervalo
        pulsos = 0
        enable_irq(contexto)
        print(velocidade)
        horaDeMedir = ticks_ms()