from microbit import *
import music
display.off()
# OK demo 05
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")

pin6.write_digital(0)
pin16.write_digital(0)
ispis("CLS")
while True:
    p6 = pin6.read_digital()
    if p6 > 0:
        ispis("OFF;3;1;3;B")
        ispis("ON;3;1;3")
        ispis("BIP;260;200") # freq 0-500, len 0-1000
        pin16.write_digital(1)
        sleep(200)
        ispis("ON;3;1;3;B")
        pin16.write_digital(0)
    else:
        ispis("OFF;3;1;3")