from microbit import *
import music
import random
#----------- DEMO BW - SA I2C KOMUNIKACIJOM I BITMAPOM 01.09.2020
sleep(3000)
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 grafikas(): # GRAPHICS DEMO - EYES
    ispis("CLS") # clear screen
    ispis("LIN;32;40;52;40;C") # draw line
    ispis("LIN;32;41;52;41;C")
    for n in range(1):
        ispis("CIR;20;20;15;C;C") # draw circle - black (C)
        ispis("CIR;62;20;15;C;C")
        sleep(500)
        for m in range(11,15,1):
           ispis("CIR;20;20;"+str(m)+";B") # draw circle - white (B)
           ispis("CIR;62;20;"+str(m)+";B")
        sleep(1000)
    for m in range(2):
        for n in range(5):
            ispis("SCC;R;0;5") # horisontal scroll to RIGHT from row 0 - 5 ( all screen )
            sleep(10) # to slow scroll
        for n in range(10):
            ispis("SCC;L;0;5") # horisontal scroll to LEFT from row 0 - 5 ( all screen )
            sleep(10)
        for n in range(5):
            ispis("SCC;R;0;5") # horisontal scroll to RIGHT from row 0 - 5 ( all screen )
            sleep(10)
    for m in range(2):
        for n in range(5):
            ispis("SBU;1") # graphics scroll UP for 1 bit 
            sleep(10) # to slow scroll
        for n in range(10):
            ispis("SBD;1") # graphics scroll DOWN for 1 bit
            sleep(10)
        for n in range(5):
            ispis("SBU;1") # graphics scroll UP for 1 bit
            sleep(10)
    ispis("CLS")
    m = 0
    for n in range(84):
        m = m + 1
        if m == 4:
            m = 0
            y = random.randrange(48)
            ispis("CIR;80;"+str(y)+";2;C;F") # draw circle
        ispis("SCC;L;0;5") # horisontal scroll to LEFT from row 0 - 5 ( all screen )
    ispis("CLS")

    xp = 78
    yp = random.randrange(48)
    m = 0
    for n in range(84):
        ispis("SCC;L;0;5")
        m = m + 1
        if m == 5:
            m = 0
            y = random.randrange(48)
            ispis("LIN;78;"+str(yp)+";83;"+str(y)+";C") # draw line
            yp = y
        sleep(50)
    ispis("CLS")

def grafika(): # GRAPHICS DEMO - STANDARD FUNCTIONS
    ispis("CLS")
    ispis("LIN;32;40;52;40;C") # draw line
    ispis("LIN;32;41;52;41;C")
    for n in range(2):
        ispis("CIR;20;20;15;C;C") # draw circle
        ispis("CIR;62;20;15;C;C")
        sleep(500)
        for m in range(11,15,1):
           ispis("CIR;20;20;"+str(m)+";B")
           ispis("CIR;62;20;"+str(m)+";B")
        sleep(1000)
    ispis("CLS")
    for n in range(5,40,2):
        ispis("LIN;10;"+str(n)+";70;"+str(n)+";C")
    for n in range(5,40,2):
        ispis("LIN;10;"+str(n)+";70;"+str(n)+";B")

    for n in range(5,24,2):
        ispis("CIR;42;24;"+str(n)+";C")
    for n in range(5,24,2):
        ispis("CIR;42;24;"+str(n)+";B;B")

    ispis("CIR;42;24;24;C;C")

    for m in range(5,24,2):
        ispis("CIR;42;24;"+str(m)+";B")
        sleep(50)
    ispis("CLS")
    for n in range(0,24,2):
        py = 24 - n
        px = 42 - n
        m = n * 2
        ispis("REC;"+str(px)+";"+str(py)+";"+str(m)+";"+str(m)+";C") # draw rectange
    for n in range(0,24,2):
        py = 24 - n
        px = 42 - n
        m = n * 2
        ispis("REC;"+str(px)+";"+str(py)+";"+str(m)+";"+str(m)+";B")
    ispis("REC;"+str(px)+";"+str(py)+";"+str(m)+";"+str(m)+";C;B")

    for n in range(0,24,2):
        py = 24 - n
        px = 42 - n
        m = n * 2
        ispis("REC;"+str(px)+";"+str(py)+";"+str(m)+";"+str(m)+";B;B")
    ispis("CLS")
    for n in range(30):
        x = random.randrange(84)
        y = random.randrange(48)
        ispis("PIX;"+str(x)+";"+str(y)+";C") # draw pixels
        sleep(100)



def meni(): # start menu
    ispis("CLS")
    ispis("DEMO GRAPHICS;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():
        grafika()
        id = 0
    if button_b.was_pressed():
        grafikas()
        id = 0