def __init__(self,
bus: int = 1,
device_addr: int = 0x3c,
font_size: int = 16,
contrast: int = 0x7F):
"""
:param bus: I2C bus identfier
:param device_addr: I2C device address
:param font_size:
:param contrast:
"""
SMBus.__init__(self, bus, force=True)
self.device_addr = device_addr
self.width = 128
self.height = 32
# display controller specific stuff
self._pages = self.height // 8
self.buffer = bytearray(self.width * self._pages)
# PIL objects
self.image = Image.new('1', (self.width, self.height))
self.draw = ImageDraw.Draw(self.image)
self.set_font(
os.path.join(os.path.abspath(os.path.dirname(__file__)),
"fonts/isocpeur.ttf"), font_size)
# isocpeur.ttf looks betters than the default font of PIL
# self.font = ImageFont.load_default()
self._contrast = contrast
self._configure()
self.update(0) # clean
def __init__(self, bus=1, device_address=0x1b):
""" c'tor
:param bus: I2C bus id, on raspi normally 1
:param device_address: device address, 0x1b or 0x1a, selected by A_SEL_FAULT pin
"""
SMBus.__init__(self, bus, force=True)
self.addr = device_address
def __init__(self,
bus: Union[int, str] = 1,
device_addr: int = 0x40) -> None:
"""Initialize
:param bus: I2C bus identification number or a filesystem name like `/dev/i2c-something`
:param device_addr: I2C device address, normally 0x40
"""
SMBus.__init__(self, bus, force=True)
self.device_addr = device_addr
self._configure()
def __init__(self,
bus: Union[int, str] = 1,
device_addr: int = 0x76,
altitude: float = 500.0):
"""Initialize Object.
:param bus: I2C bus identification number or a filesystem name like `/dev/i2c-something`
:param device_addr: I2C address 0x76 or 0x77
:param altitude: altitude as meters above sea level
"""
SMBus.__init__(self, bus, force=True)
self.device_addr = device_addr
self.altitude = altitude
self._temperature = None
self._pressure = None
self.t_fine = 0
modified = self._configure()
if modified is not None:
time.sleep(4.0)
