def on(self):
self._lock.acquire()
self.lcd = Adafruit_CharLCDPlate()
self.lcd.begin(WIDTH, 2)
self.lcd.clear()
self.lcd.backlight(self._color)
self._lock.release()
self.position = self.position + 1
# We add five extra spaces between each complete text scroll.
if self.position > len(self.text) + 4:
self.position = 0
return scrolledText
def setNewText(self, newText):
self.text = newText
self.position = 0
# Initialize the LCD plate. Should auto-detect correct I2C bus. If not,
# pass '0' for early 256 MB Model B boards or '1' for all later versions
lcd = Adafruit_CharLCDPlate()
lcd.begin(16, 2)
lcd.clear()
lcd.backlight(lcd.ON)
tmr = None
# Poll buttons
btn = (lcd.LEFT, lcd.UP, lcd.DOWN, lcd.RIGHT, lcd.SELECT)
lastArtistSong = ''
scroller = TextScroller('', 16)
while True:
# Get current status and playtime
process = subprocess.Popen('mpc', shell=True, stdout=subprocess.PIPE)
status = process.communicate()[0]
