from machine import Pin
from time import sleep

D0 = Pin(23, Pin.OUT)
D1 = Pin(22, Pin.OUT)
D2 = Pin(21, Pin.OUT)
D3 = Pin(19, Pin.OUT)
D4 = Pin(18, Pin.OUT)
D5 = Pin(17, Pin.OUT)
D6 = Pin(16, Pin.OUT)
D7 = Pin(15, Pin.OUT)
RS = Pin(5, Pin.OUT)
EN = Pin(4, Pin.OUT)
B1 = Pin(26, Pin.IN,Pin.PULL_UP)
B2 = Pin(27, Pin.IN,Pin.PULL_UP)

def LCD(x):
    D7.value(int(x[0]))
    D6.value(int(x[1]))
    D5.value(int(x[2]))
    D4.value(int(x[3]))
    D3.value(int(x[4]))
    D2.value(int(x[5]))
    D1.value(int(x[6]))
    D0.value(int(x[7]))
    RS.value(int(x[8]))
    EN.on()
    sleep(0.01)
    EN.off()

ini = ["001100000","001100000","011000000","001110000","000101000","000011000","000001100","000000010"]
nombre=["000000010","010001101","010001011","010100101"]
fecha=["001100111","001100001","001011111","001100001","001100011","001011111","001100101","001100001","001100101","001101101"]
mensaje=["010010001","010011111","010011001","010000011"]

for i in ini:
    LCD(i)

while(1):
    if B1.value()==1 and B2.value()==1:
        LCD("000000010")
        for i in fecha:
            LCD(i)
            sleep(0.25)
    elif B1.value()==1 and B2.value()==0:
        for i in nombre:
            LCD(i)
            sleep(0.25)
    elif B1.value()==0 and B2.value()==1:
        LCD("110000000")
        for i in mensaje:
            LCD(i)
            sleep(0.25)
    else:
        LCD("000000010")
        sleep(0.25)