print("Hello, Pi Pico!")
from machine import Pin 
import utime

button_pin = Pin(16, Pin.IN, Pin.PULL_UP)
direction_pin = Pin(18, Pin.IN,Pin.PULL_UP)
step_pin = Pin(17, Pin.IN, Pin.PULL_UP)

previous_value = True
button_down = False

while True:
    
    if previous_value != step_pin.value():
        if step_pin.value() == False:
            print("dir" , direction_pin.value(),"step" , step_pin.value(),"button" , button_pin.value())
            
            if direction_pin.value() == False:
                print("turned left")
                utime.sleep(2)
            else:
                print("turned right")
                utime.sleep(2)
        previous_value = step_pin.value()

    if button_pin.value() == False and not button_down:
        print("button pushed")
        button_down = True
    if button_pin.value() == True and button_down:
        button_down = False

    if button_pin.value() == False:
        print("button pressed")