from machine import Pin,PWM
from time import sleep

def LCD (x):
   
   RS.value(int(x[8]))
   D0.value(int(x[7]))
   D1.value(int(x[6]))
   D2.value(int(x[5]))
   D3.value(int(x[4]))
   D4.value(int(x[3]))
   D5.value(int(x[2]))
   D6.value(int(x[1]))
   D7.value(int(x[0]))
   EN.on()
   sleep(0.1)
   EN.off()

RS=Pin(25,Pin.OUT)
EN=Pin(23,Pin.OUT)
D0=Pin(22,Pin.OUT)
D1=Pin(21,Pin.OUT)
D2=Pin(19,Pin.OUT)
D3=Pin(18,Pin.OUT)
D4=Pin(5,Pin.OUT)
D5=Pin(4,Pin.OUT)
D6=Pin(2,Pin.OUT)
D7=Pin(15,Pin.OUT)

boton=Pin(12,Pin.IN,Pin.PULL_UP)
motor=PWM(Pin(26),freq=500)
#inicialización de la lcd
inicio =["001100000","001100000","001100000","001110000","000101000","000011000","000001100","000000010"]
baja=["000000100","010000101","010000011","010010101","010000011","000000100"]
media=["000000100","010011011","010001011","010001001","010010011","010000011","000000100"]
alta=["000000100","010000011","010011001","010101001","010000011","000000100"]

for i  in inicio:
    LCD(i)
var=0
while(1):
    if boton.value() == 0:
        sleep(0.1)
        var+=1
        if(var>3):
            var=0
        while(BOTON.value() == 0):
            sleep(0.1)
    if var == 0:
        motor.duty(200)
        for a in baja:
          LCD(a)
          sleep(0.1)
    if var == 1:
        motor.duty(250)
        for b in media:
         LCD(b)
         sleep(0.1)
    if var==2:
        
        for c in alta:
          LCD(c)
          sleep(0.1)
          motor.duty(300)