from microbit import *
import music
display.off()
# OK demo 01
sleep(2000)
# -- COMMUNICATION - cannot be changed
def ispis(tekst):
    dd = len(tekst)
    if dd < 31:
        salji(tekst)
    else:
        salji(tekst[0:30]+"+")
        salji(tekst[30:dd])

def salji(tekst):
    duz = len(tekst)
    buf = bytearray(duz)
    for n in range(0, duz):
        bb = ord(tekst[n:n+1])
        buf[n] = bb
    try:
        i2c.write(0x11, buf)
        sleep(duz*8)  # ok
    except OSError:
        print("er: salji")

pin1.write_digital(0)
pin2.write_digital(0)
pin4.write_digital(0)
ispis("CLS")
ispis("P1=;1;0;2")
ispis("P2=;1;2;2")
ispis("P4=;1;4;2")
p1p = 0
p2p = 0
p4p = 0
while True:
    p1 = pin1.read_analog()
    p2 = pin2.read_analog()
    p4 = pin4.read_analog()
    if p1 != p1p:
        ispis(str(p1p)+";7;0;2;B")
        ispis(str(p1)+";7;0;2")
        p1p=p1
    if p2 != p2p:
        ispis(str(p2p)+";7;2;2;B")
        ispis(str(p2)+";7;2;2")
        p2p=p2
    if p4 != p4p:
        ispis(str(p4p)+";7;4;2;B")
        ispis(str(p4)+";7;4;2")
        p4p=p4
    sleep(50)