def loop(): cursor_x = 0 cursor_y = 0 colors = ["ff0000", "ffff00", "00ff00", "00ffff", "0000ff", "ff00ff"] key = "" while True: key = os.read(1, 3) # print repr(key) # move cursor if key == "\x1b[D": cursor_x -= 3 if key == "\x1b[C": cursor_x += 3 if key == "\x1b[A": cursor_y -= 4 if key == "\x1b[B": cursor_y += 4 if key == "\n": cursor_x = 0; cursor_y += 4 if key == "\x7f": # backspace cursor_x -= 3 if cursor_x < 0: cursor_x = 12; cursor_y -= 4 if key == "\x0c": # clear screen cursor_x = 0 cursor_y = 0 wall.clear() # print letter if key in font: letter = font[key] for y, r in enumerate(letter): for x, p in enumerate(r): c = ["000000", colors[0]][p == "#"] wall.pixel(cursor_x + x, cursor_y + y, c) cursor_x += 3 if cursor_x == 15: cursor_x = 0 cursor_y += 4 colors = colors[1:] + [colors[0]] if key == "\x7f": # backspace cursor_x -= 3 if cursor_x < 0: cursor_x = 12; cursor_y -= 4 time.sleep(0.05)
wall.clear()
# print letter
if key in font:
letter = font[key]
for y, r in enumerate(letter):
for x, p in enumerate(r):
c = ["000000", colors[0]][p == "#"]
wall.pixel(cursor_x + x, cursor_y + y, c)
cursor_x += 3
if cursor_x == 15:
cursor_x = 0
cursor_y += 4
colors = colors[1:] + [colors[0]]
if key == "\x7f": # backspace
cursor_x -= 3
if cursor_x < 0: cursor_x = 12; cursor_y -= 4
time.sleep(0.05)
wall.init()
wall.send("0403")
wall.clear()
os.system("stty cbreak -echo min 0")
try: loop()
except KeyboardInterrupt: pass
os.system("stty sane")
def __init__(self):
wall.init()
wall.clear()
