class Display(threading.Thread):
def __init__(self):
global level
logger.debug('__init__')
threading.Thread.__init__(self)
if platform.machine().startswith('arm'):
# create matrix7219 device
serial = spi(port=0, device=1, gpio=noop())
self.device = max7219(serial, cascaded=4, block_orientation=-90)
else:
# create emulator device
self.device = pygame(width=32,
height=8,
rotate=0,
mode='RGB',
transform='led_matrix',
scale=2,
frame_rate=60)
self.device.contrast(level)
def start(self, items, active=0, ok=None, back=None):
logger.debug('start')
max_width = self.device.width
if isinstance(items, list):
for item in items:
max_width = max(max_width, len(item) * 8 + 1)
self.gpio = Gpio(down=self.down,
up=self.up,
ok=self.__ok,
back=self.__back)
elif isinstance(items, str):
max_width = max(max_width, len(items) * 8 + 1)
self.gpio = Gpio(ok=self.__ok, back=self.__back)
# self.gpio.start()
self.virtual = viewport(self.device,
width=max_width,
height=(len(items) * 8))
self.active = 0
if ok:
self.ok = ok
if back:
self.back = back
with canvas(self.virtual) as draw:
if isinstance(items, list):
for i, item in enumerate(items):
text(draw, (1, i * 8),
item,
fill="white",
font=proportional(LCD_FONT))
if (item == active):
self.active = i
self.items = items
elif isinstance(items, str):
text(draw, (1, 0),
items,
fill="white",
font=proportional(LCD_FONT))
self.items = [items]
self.virtual.set_position((0, self.active * 8))
threading.Thread.start(self)
def run(self):
logger.debug('run')
active = self.active
i = 0
while True:
while (active == self.active):
if (i < (textsize(self.items[active],
font=proportional(LCD_FONT))[0] + 3 -
self.device.width)):
self.virtual.set_position((i, active * 8))
i += 1
else:
i = 0
break
time.sleep(0.2)
if (self.active == 255):
return
if (self.active > active):
for j in range(9):
self.virtual.set_position((0, (active * 8) + j))
time.sleep(0.05)
if (self.active < active):
for j in range(9):
self.virtual.set_position((0, (active * 8) - j))
time.sleep(0.05)
active = self.active
i = 0
def stop(self):
logger.debug('stop')
self.gpio.stop()
self.active = 255
def down(self):
logger.debug('down')
if (self.active < (len(self.items) - 1)):
self.active += 1
def up(self):
logger.debug('up')
if (self.active > 0):
self.active -= 1
def __ok(self):
logger.debug('ok')
if self.ok:
self.ok(self, self.items[self.active])
def __back(self):
logger.debug('back')
if self.back:
self.back(self, self.items[self.active])
class Clock(threading.Thread):
def __init__(self):
global level
logger.debug('__init__')
threading.Thread.__init__(self)
if platform.machine().startswith('arm'):
# create matrix device
serial = spi(port=0, device=1, gpio=noop())
self.device = max7219(serial, cascaded=4, block_orientation=-90)
else:
# create emulator device
self.device = pygame(width=32,
height=8,
rotate=0,
mode='RGB',
transform='led_matrix',
scale=2,
frame_rate=60)
self.device.contrast(level)
self.exit = False
def start(self, ok=None, back=None):
logger.debug('start')
self.gpio = Gpio(ok=self.__ok, back=self.__back)
# self.gpio.start()
if ok:
self.ok = ok
if back:
self.back = back
threading.Thread.start(self)
def run(self):
logger.debug('run')
semicolon = False
while True:
clock = time.localtime()
with canvas(self.device) as draw:
text(draw, (3, 0),
time.strftime("%H", clock),
fill="white",
font=proportional(LCD_FONT))
text(draw, (20, 0),
time.strftime("%M", clock),
fill="white",
font=proportional(LCD_FONT))
if semicolon:
text(draw, (15, 0),
":",
fill="white",
font=proportional(LCD_FONT))
semicolon = not semicolon
time.sleep(0.5)
if self.exit:
return
def stop(self):
logger.debug('stop')
self.gpio.stop()
self.exit = True
def __ok(self):
logger.debug('ok')
if self.ok:
self.ok(self)
def __back(self):
logger.debug('back')
if self.back:
self.back(self)
