Merge pull request #16 from mikeysklar/ssd1305-white-module-col-offset

optional column offset

Author: ladyada

adafruit_ssd1305.py

@@ -87,7 +87,8 @@ def __init__(
  height: int,
  *,
  external_vcc: bool,
- reset: Optional[DigitalInOut]
+ reset: Optional[DigitalInOut],
+ col: Optional[int] = None # Shortened argument name
  ):
  super().__init__(buffer, width, height)
  self.width = width
@@ -98,9 +99,10 @@ def __init__(
  if self.reset_pin:
  self.reset_pin.switch_to_output(value=False)
  self.pages = self.height // 8
- self._column_offset = 0
- if self.height == 32:
- self._column_offset = 4 # hardcoded for now...
+
+ # Set default column offset, allow override
+ self._column_offset = col if col is not None else 4
+
  # Note the subclass must initialize self.framebuf to a framebuffer.
  # This is necessary because the underlying data buffer is different
  # between I2C and SPI implementations (I2C needs an extra byte).
@@ -220,7 +222,8 @@ def __init__(
  *,
  addr: int = 0x3C,
  external_vcc: bool = False,
- reset: Optional[DigitalInOut] = None
+ reset: Optional[DigitalInOut] = None,
+ col=None
  ):
  self.i2c_device = i2c_device.I2CDevice(i2c, addr)
  self.addr = addr
@@ -238,6 +241,7 @@ def __init__(
  height,
  external_vcc=external_vcc,
  reset=reset,
+ col=col, # <-- Forwarded col parameter to base class
  )
 
  def write_cmd(self, cmd: int) -> None:
@@ -281,7 +285,8 @@ def __init__(
  external_vcc: bool = False,
  baudrate: int = 8000000,
  polarity: int = 0,
- phase: int = 0
+ phase: int = 0,
+ col=None
  ):
  self.rate = 10 * 1024 * 1024
  dc.switch_to_output(value=False)
@@ -296,6 +301,7 @@ def __init__(
  height,
  external_vcc=external_vcc,
  reset=reset,
+ col=col,
  )
 
  def write_cmd(self, cmd: int) -> None: