from microbit import *
import music
display.off()
# OK demo 04
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")
p1p = 0
p2p = 0
p4p = 0

m1 = 0
m2 = 0
m4 = 0
m1p = 0
m2p = 0
m4p = 0
dj = 7
ispis("1:;0;0;G")
ispis("2:;0;10;G")
ispis("4:;0;20;G")
while True:
    p1 = pin1.read_analog() - 100
    p2 = pin2.read_analog() - 100
    p4 = pin4.read_analog() - 100
    m1 = p1 / dj
    m2 = p2 / dj
    m4 = p4 / dj
    if m1 != m1p:
        ispis("REC;10;0;"+str(m1p)+";8;B;B")
        ispis("REC;10;0;"+str(m1)+";8;C;C")
        m1p=m1
    if m2 != m2p:
        ispis("REC;10;10;"+str(m2p)+";8;B;B")
        ispis("REC;10;10;"+str(m2)+";8;C;C")
        m2p=m2
    if m4 != m4p:
        ispis("REC;10;20;"+str(m4p)+";8;B;B")
        ispis("REC;10;20;"+str(m4)+";8;C;C")
        m4p=m4