import array
import board
import rp2pio
import adafruit_pioasm

code = """
  mov x, pins
  in x, 32
  push block
"""

assembled_code = adafruit_pioasm.assemble(code)

sm2 = rp2pio.StateMachine(
    assembled_code,
    frequency=2000,
    in_pin_count = 8,
    first_in_pin=board.GP0,
    push_threshold=32,
    auto_push=False,
)

while True:
  buf = array.array('L', [0])
  sm2.readinto(buf)
  print(','.join(hex(x) for x in buf))