# https://www.seeedstudio.com/blog/2021/01/25/programmable-io-with-raspberry-pi-pico/

from rp2 import PIO, StateMachine, asm_pio
from machine import Pin
import time

@asm_pio(set_init=PIO.OUT_LOW)
def led_off():
    set(pins, 0)

@asm_pio(set_init=PIO.OUT_LOW)
def led_on():
    set(pins, 1)

sm1 = StateMachine(1, led_off, freq=2000, set_base=Pin(16))
sm2 = StateMachine(2, led_on, freq=2001, set_base=Pin(16))

sm1.active(1)
sm2.active(1)