from machine import Pin
import utime
utime.sleep(0.1) # Wait for USB to become ready
print("READY")

pins = [Pin(2, Pin.OUT),Pin(3, Pin.OUT)]
BUTTON = Pin(26, Pin.IN, Pin.PULL_DOWN)
LED = Pin(15, Pin.OUT)

# Create a sequence
step_sequence = [[1,0],[0,1]]

def step_motor():
    f = 0
    b = 50
    # Use loops to set pins in sequence
    
    print("Gate Rising")
    while f < 50:
        for step in step_sequence:
            for i in range(len(pins)):
                pins[i].value(step[i])
                utime.sleep(0.01)
        f += 1
    utime.sleep(5)
    print("Gate Lowering")
    while b > 0:    
        for step in step_sequence:
            for i in reversed(range(len(pins))):
                pins[i].value(step[i])
                utime.sleep(0.01)
        b -= 1

while True:
    if BUTTON.value() == 1:
        LED.on()
        utime.sleep(1)
        step_motor()
        LED.off()