from microbit import *
import music

#----------- KOMPLETAN DEMO BW - SA I2C KOMUNIKACIJOM I BITMAPOM  01.09.2020
sleep(2000)
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*4)
    except OSError:
        print("er: salji")

def teksts(): # DEMO text
    ispis("CLS")
    ispis("1.Hello!;20;0;G") # draw text, x,y, graphics mode (G) - in buffer
    ispis("2.Hello!;22;8;G")
    ispis("3.Hello!;24;16;G")
    ispis("4.Hello!;26;24;G")
    ispis("5.Hello!;28;32;G")
    ispis("6.Hello!;30;40;G")
    ispis("DIS") # display buffer on screen
    sleep(500)
    for n in range(84):
        ispis("SCC;L;2;2;R") # scroll horisontal, LEFT, x,y, rotate screen
        ispis("SCC;R;3;3;R") # scroll horisontal, RIGHT, x,y, rotate screen
        sleep(10)
    sleep(500)
    for n in range(12):
        ispis("SCU;R") # scroll UP, rotate screen
        sleep(300)
    for n in range(12):
        ispis("SCD;R") # scroll DOWN, rotate screen
        sleep(300)
    sleep(1000)

def tekst():
    ispis("CLS")
    ispis("Hello!;20;0;G") # draw text to buffer (G)
    ispis("DIS") # display buffer on screen
    ispis("Hello!;22;8;G")
    ispis("DIS") # display buffer on screen
    ispis("Hello!;24;16;G")
    ispis("DIS") # display buffer on screen
    ispis("Hello!;26;24;G")
    ispis("DIS") # display buffer on screen
    ispis("Hello!;28;32;G")
    ispis("DIS")
    ispis("Hello!;30;40;G")
    ispis("DIS")
    sleep(2000)
    ispis("CLS")

    ispis("Hi!;3;1;2") # draw text to screen
    sleep(2000)
    ispis("CLS")

    ispis("CON;40;C") # contrast set to 40
    ispis("Hi!;2;1;3")

    for n in range(40,65,2):
        ispis("CON;"+str(n)+";C") # set contrast
        sleep(100)
    sleep(1000)
    ispis("CLS")
    for n in range(1,3,1):
        ispis("Hi!;2;1;"+str(n)+";C") # draw text to screen - black (C)
        sleep(500)
        ispis("Hi!;2;1;"+str(n)+";B") # draw text to screen - white (B) ( erase text on screen )
        sleep(50)
    ispis("Hi!;2;1;3;C")
    sleep(1000)
    ispis("CLS")
    for n in range(10):
        if n < 10:
            ispis(str(n)+";5;1;3;C") # draw text (number)
            sleep(200)
            ispis(str(n)+";5;1;3;B") # erase text
        else:
            ispis(str(n)+";3;1;3;C")
            sleep(200)
            ispis(str(n)+";3;1;3;B")
    ispis("CLS")
    ispis("START;2;1;2;C")
    sleep(1000)

def meni(): # start menu
    ispis("CLS")
    ispis("DEMO TEXT;0;0")
    ispis("A-standard;0;2")
    ispis("B-scroll;0;3")
    ispis("LIN;0;12;83;12;C")
    ispis("LIN;0;36;83;36;C")


poz = 1
ispis("CLS")
id = 0

while True:
    if id == 0:
        meni()
        id = 1

    if button_a.was_pressed():
        tekst()
        id = 0
    if button_b.was_pressed():
        teksts()
        id = 0