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=OFF;1;0;2")
ispis("P2=OFF;1;2;2")
ispis("P4=OFF;1;4;2")
while True:
    p1 = pin1.read_digital()
    p2 = pin2.read_digital()
    p4 = pin4.read_digital()
    #if p1 > 0 or p2 > 0 or p4 > 0:
    if p1 > 0:
        ispis("OFF;7;0;2;B")
        ispis("ON;7;0;2")
        music.pitch(1500, 50)
        sleep(200)
        ispis("ON;7;0;2;B")
    else:
        ispis("OFF;7;0;2")

    if p2 > 0:
        ispis("OFF;7;2;2;B")
        ispis("ON;7;2;2")
        music.pitch(1500, 50)
        sleep(200)
        ispis("ON;7;2;2;B")
    else:
        ispis("OFF;7;2;2")

    if p4 > 0:
        ispis("OFF;7;4;2;B")
        ispis("ON;7;4;2")
        music.pitch(1500, 50)
        sleep(200)
        ispis("ON;7;4;2;B")
    else:
        ispis("OFF;7;4;2")