circuitpython TTP229 connect to raspbery pico

TTP229_pico_cicuitpython.py

import board
import digitalio
import time

# Configurar los pines
sdo_pin = digitalio.DigitalInOut(board.GP19)
sdo_pin.direction = digitalio.Direction.INPUT
sdo_pin.pull = digitalio.Pull.UP

scl_pin = digitalio.DigitalInOut(board.GP18)
scl_pin.direction = digitalio.Direction.OUTPUT
scl_pin.value = True

def read_ttp229():
    key_value = 0
    for i in range(16):
        scl_pin.value = False
        time.sleep(0.00001)  # 10 microsegundos de delay
        key_value |= (not sdo_pin.value) << i
        scl_pin.value = True
        time.sleep(0.00001)  # 10 microsegundos de delay
    return key_value

# Bucle principal
while True:
    key_value = read_ttp229()
    
    for i in range(16):
        if key_value & (1 << i):
            print(f"Tecla {i+1} presionada")
    
    time.sleep(0.1)