7 changed files with 46 additions and 295 deletions
--- a/adafruit_epd/ssd1683.py
+++ b/adafruit_epd/ssd1683.py
@ -115,32 +115,29 @@ class Adafruit_SSD1683(Adafruit_EPD):
        )
        self.set_black_buffer(0, True)
        self.set_color_buffer(1, False)
-
+        
        # Set single byte transactions flag
        self._single_byte_tx = True
-
+        
        # Set the display update value
        self._display_update_val = 0xF7
-
+        
        # Default initialization sequence (tri-color mode)
-        self._default_init_code = bytes(
-            [
-                _SSD1683_SW_RESET,
-                0,  # Software reset
-                0xFF,
-                50,  # Wait for busy (50ms delay)
-                _SSD1683_WRITE_BORDER,
-                1,  # Border waveform control
-                0x05,  # Border color/waveform
-                _SSD1683_TEMP_CONTROL,
-                1,  # Temperature control
-                0x80,  # Read temp
-                _SSD1683_DATA_MODE,
-                1,  # Data entry mode
-                0x03,  # Y decrement, X increment
-                0xFE,  # End of initialization
-            ]
-        )
+        self._default_init_code = bytes([
+            _SSD1683_SW_RESET, 0,           # Software reset
+            0xFF, 50,                       # Wait for busy (50ms delay)
+            
+            _SSD1683_WRITE_BORDER, 1,       # Border waveform control
+            0x05,                           # Border color/waveform
+            
+            _SSD1683_TEMP_CONTROL, 1,       # Temperature control
+            0x80,                           # Read temp
+            
+            _SSD1683_DATA_MODE, 1,          # Data entry mode
+            0x03,                           # Y decrement, X increment
+         
+            0xFE                            # End of initialization
+        ])

    def begin(self, reset: bool = True) -> None:
        """Begin communication with the display and set basic settings"""
@ -165,20 +162,20 @@ class Adafruit_SSD1683(Adafruit_EPD):

        # Use custom init code if provided, otherwise use default
        init_code = self._default_init_code
-        if hasattr(self, "_epd_init_code") and self._epd_init_code is not None:
+        if hasattr(self, '_epd_init_code') and self._epd_init_code is not None:
            init_code = self._epd_init_code
-
+        
        # Send initialization sequence
        self._send_command_list(init_code)

        # Set RAM window
        self.set_ram_window(0, 0, (self._width // 8) - 1, self._height - 1)
-
+        
        # Set RAM address to start position
        self.set_ram_address(0, 0)

        # Set LUT if we have one
-        if hasattr(self, "_epd_lut_code") and self._epd_lut_code:
+        if hasattr(self, '_epd_lut_code') and self._epd_lut_code:
            self._send_command_list(self._epd_lut_code)

        # Set display size and driver output control
@ -204,7 +201,7 @@ class Adafruit_SSD1683(Adafruit_EPD):
        self.command(_SSD1683_DISP_CTRL2, bytearray([self._display_update_val]))
        self.command(_SSD1683_MASTER_ACTIVATE)
        self.busy_wait()
-
+        
        if not self._busy:
            time.sleep(1)  # wait 1 second

@ -222,7 +219,7 @@ class Adafruit_SSD1683(Adafruit_EPD):
        """Set the RAM address location"""
        # set RAM x address count
        self.command(_SSD1683_SET_RAMXCOUNT, bytearray([x & 0xFF]))
-
+        
        # set RAM y address count
        self.command(_SSD1683_SET_RAMYCOUNT, bytearray([y & 0xFF, (y >> 8) & 0xFF]))

@ -230,12 +227,12 @@ class Adafruit_SSD1683(Adafruit_EPD):
        """Set the RAM window for partial updates"""
        # Set ram X start/end position
        self.command(_SSD1683_SET_RAMXPOS, bytearray([x1 & 0xFF, x2 & 0xFF]))
-
+        
        # Set ram Y start/end position
-        self.command(
-            _SSD1683_SET_RAMYPOS,
-            bytearray([y1 & 0xFF, (y1 >> 8) & 0xFF, y2 & 0xFF, (y2 >> 8) & 0xFF]),
-        )
+        self.command(_SSD1683_SET_RAMYPOS, bytearray([
+            y1 & 0xFF, (y1 >> 8) & 0xFF,
+            y2 & 0xFF, (y2 >> 8) & 0xFF
+        ]))

    def _send_command_list(self, init_sequence: bytes) -> None:
        """Send a sequence of commands from an initialization list"""
@ -243,7 +240,7 @@ class Adafruit_SSD1683(Adafruit_EPD):
        while i < len(init_sequence):
            cmd = init_sequence[i]
            i += 1
-
+            
            if cmd == 0xFE:  # End marker
                break
            elif cmd == 0xFF:  # Delay marker
@ -251,12 +248,14 @@ class Adafruit_SSD1683(Adafruit_EPD):
                    delay_ms = init_sequence[i]
                    i += 1
                    time.sleep(delay_ms / 1000.0)
-            elif i < len(init_sequence):
-                num_args = init_sequence[i]
-                i += 1
-                if num_args > 0 and (i + num_args) <= len(init_sequence):
-                    args = init_sequence[i : i + num_args]
-                    self.command(cmd, bytearray(args))
-                    i += num_args
-                else:
-                    self.command(cmd)
+            else:
+                # Regular command
+                if i < len(init_sequence):
+                    num_args = init_sequence[i]
+                    i += 1
+                    if num_args > 0 and (i + num_args) <= len(init_sequence):
+                        args = init_sequence[i:i + num_args]
+                        self.command(cmd, bytearray(args))
+                        i += num_args
+                    else:
+                        self.command(cmd)
--- a/adafruit_epd/uc8179.py
+++ b/adafruit_epd/uc8179.py
@ -1,213 +0,0 @@
-# SPDX-FileCopyrightText: 2025 Liz Clark for Adafruit Industries
-#
-# SPDX-License-Identifier: MIT
-
-"""
-`adafruit_epd.uc8179` - Adafruit UC8179 - ePaper display driver
-====================================================================================
-CircuitPython driver for Adafruit UC8179 display breakouts
-* Author(s): Liz Clark
-"""
-
-import time
-
-import adafruit_framebuf
-from micropython import const
-
-from adafruit_epd.epd import Adafruit_EPD
-
-try:
-    """Needed for type annotations"""
-    import typing
-
-    from busio import SPI
-    from digitalio import DigitalInOut
-    from typing_extensions import Literal
-
-except ImportError:
-    pass
-
-__version__ = "0.0.0+auto.0"
-__repo__ = "https://github.com/adafruit/Adafruit_CircuitPython_EPD.git"
-
-# UC8179 commands
-_UC8179_PANELSETTING = const(0x00)
-_UC8179_POWERSETTING = const(0x01)
-_UC8179_POWEROFF = const(0x02)
-_UC8179_POWERON = const(0x04)
-_UC8179_DEEPSLEEP = const(0x07)
-_UC8179_WRITE_RAM1 = const(0x10)
-_UC8179_DATASTOP = const(0x11)
-_UC8179_DISPLAYREFRESH = const(0x12)
-_UC8179_WRITE_RAM2 = const(0x13)
-_UC8179_DUALSPI = const(0x15)
-_UC8179_WRITE_VCOM = const(0x50)
-_UC8179_TCON = const(0x60)
-_UC8179_TRES = const(0x61)
-_UC8179_GET_STATUS = const(0x71)
-
-BUSY_WAIT = const(500)  # milliseconds
-
-
-class Adafruit_UC8179(Adafruit_EPD):
-    """driver class for Adafruit UC8179 ePaper display breakouts"""
-
-    def __init__(
-        self,
-        width: int,
-        height: int,
-        spi: SPI,
-        *,
-        cs_pin: DigitalInOut,
-        dc_pin: DigitalInOut,
-        sramcs_pin: DigitalInOut,
-        rst_pin: DigitalInOut,
-        busy_pin: DigitalInOut,
-    ) -> None:
-        # Adjust height to be divisible by 8 (direct from Arduino)
-        if (height % 8) != 0:
-            height += 8 - (height % 8)
-
-        super().__init__(width, height, spi, cs_pin, dc_pin, sramcs_pin, rst_pin, busy_pin)
-
-        # Calculate buffer sizes exactly as Arduino does: width * height / 8
-        self._buffer1_size = width * height // 8
-        self._buffer2_size = self._buffer1_size
-
-        if sramcs_pin:
-            # Using external SRAM
-            self._buffer1 = self.sram.get_view(0)
-            self._buffer2 = self.sram.get_view(self._buffer1_size)
-        else:
-            # Using internal RAM
-            self._buffer1 = bytearray(self._buffer1_size)
-            self._buffer2 = bytearray(self._buffer2_size)
-
-        # Create frame buffers
-        self._framebuf1 = adafruit_framebuf.FrameBuffer(
-            self._buffer1,
-            width,
-            height,
-            buf_format=adafruit_framebuf.MHMSB,
-        )
-        self._framebuf2 = adafruit_framebuf.FrameBuffer(
-            self._buffer2,
-            width,
-            height,
-            buf_format=adafruit_framebuf.MHMSB,
-        )
-
-        # Set up which frame buffer is which color
-        self.set_black_buffer(0, True)
-        self.set_color_buffer(1, False)
-
-        # UC8179 uses single byte transactions
-        self._single_byte_tx = False
-
-        # Default refresh delay (from Adafruit_EPD base class in Arduino)
-        self.default_refresh_delay = 15  # seconds
-        # pylint: enable=too-many-arguments
-
-    def begin(self, reset: bool = True) -> None:
-        """Begin communication with the display and set basic settings"""
-        if reset:
-            self.hardware_reset()
-        self.power_down()
-
-    def busy_wait(self) -> None:
-        """Wait for display to be done with current task, either by polling the
-        busy pin, or pausing"""
-        if self._busy:
-            # Wait for busy pin to go HIGH
-            while not self._busy.value:
-                self.command(_UC8179_GET_STATUS)
-                time.sleep(0.1)
-        else:
-            # No busy pin, just wait
-            time.sleep(BUSY_WAIT / 1000.0)
-        # Additional delay after busy signal
-        time.sleep(0.2)
-
-    def power_up(self) -> None:
-        """Power up the display in preparation for writing RAM and updating"""
-        self.hardware_reset()
-
-        # Power setting
-        self.command(
-            _UC8179_POWERSETTING,
-            bytearray(
-                [
-                    0x07,  # VGH=20V
-                    0x07,  # VGL=-20V
-                    0x3F,  # VDH=15V
-                    0x3F,  # VDL=-15V
-                ]
-            ),
-        )
-
-        # Power on
-        self.command(_UC8179_POWERON)
-        time.sleep(0.1)  # 100ms delay
-        self.busy_wait()
-
-        # Panel setting
-        self.command(_UC8179_PANELSETTING, bytearray([0b011111]))  # BW OTP LUT
-
-        # Resolution setting
-        self.command(
-            _UC8179_TRES,
-            bytearray(
-                [self._width >> 8, self._width & 0xFF, self._height >> 8, self._height & 0xFF]
-            ),
-        )
-
-        # Dual SPI setting
-        self.command(_UC8179_DUALSPI, bytearray([0x00]))
-
-        # VCOM setting
-        self.command(_UC8179_WRITE_VCOM, bytearray([0x10, 0x07]))
-
-        # TCON setting
-        self.command(_UC8179_TCON, bytearray([0x22]))
-
-    def power_down(self) -> None:
-        """Power down the display - required when not actively displaying!"""
-        self.command(_UC8179_POWEROFF)
-        self.busy_wait()
-
-        # Only deep sleep if we have a reset pin to wake it up
-        if self._rst:
-            self.command(_UC8179_DEEPSLEEP, bytearray([0x05]))
-        time.sleep(0.1)
-
-    def update(self) -> None:
-        """Update the display from internal memory"""
-        self.command(_UC8179_DISPLAYREFRESH)
-        time.sleep(0.1)  # 100ms delay
-        self.busy_wait()
-
-        if not self._busy:
-            # If no busy pin, use default refresh delay
-            time.sleep(self.default_refresh_delay)
-
-    def write_ram(self, index: Literal[0, 1]) -> int:
-        """Send the one byte command for starting the RAM write process. Returns
-        the byte read at the same time over SPI. index is the RAM buffer, can be
-        0 or 1 for tri-color displays."""
-        if index == 0:
-            return self.command(_UC8179_WRITE_RAM1, end=False)
-        if index == 1:
-            return self.command(_UC8179_WRITE_RAM2, end=False)
-        raise RuntimeError("RAM index must be 0 or 1")
-
-    def set_ram_address(self, x: int, y: int) -> None:  # noqa: PLR6301, F841
-        """Set the RAM address location, not used on this chipset but required by
-        the superclass"""
-        # Not used in UC8179 chip
-        pass
-
-    def set_ram_window(self, x1: int, y1: int, x2: int, y2: int) -> None:  # noqa: PLR6301, F841
-        """Set the RAM window, not used on this chipset but required by
-        the superclass"""
-        # Not used in UC8179 chip
-        pass
--- a/examples/epd_bitmap.py
+++ b/examples/epd_bitmap.py
@ -14,9 +14,7 @@ from adafruit_epd.ssd1608 import Adafruit_SSD1608
 from adafruit_epd.ssd1675 import Adafruit_SSD1675
 from adafruit_epd.ssd1680 import Adafruit_SSD1680
 from adafruit_epd.ssd1681 import Adafruit_SSD1681
-from adafruit_epd.ssd1683 import Adafruit_SSD1683
 from adafruit_epd.uc8151d import Adafruit_UC8151D
-from adafruit_epd.uc8179 import Adafruit_UC8179

 # create the spi device and pins we will need
 spi = busio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)
@ -36,11 +34,8 @@ print("Creating display")
 # display = Adafruit_EK79686(176, 264,        # 2.7" Tri-color display
 # display = Adafruit_IL0373(152, 152,         # 1.54" Tri-color display
 # display = Adafruit_UC8151D(128, 296,        # 2.9" mono flexible display
-# display = Adafruit_UC8179(648, 480,         # 5.83" mono 648x480 display
-# display = Adafruit_UC8179(800, 480,         # 7.5" mono 800x480 display
 # display = Adafruit_IL0373(128, 296,         # 2.9" Tri-color display IL0373
 # display = Adafruit_SSD1680(128, 296,        # 2.9" Tri-color display SSD1680
-# display = Adafruit_SSD1683(400, 300,        # 4.2" 300x400 Tri-Color display
 # display = Adafruit_IL0398(400, 300,         # 4.2" Tri-color display
 display = Adafruit_IL0373(
    104,
@ -53,9 +48,7 @@ display = Adafruit_IL0373(
    busy_pin=busy,
 )

-# IF YOU HAVE A 2.13" FLEXIBLE DISPLAY OR!
-# UC8179 5.83" or 7.5" displays
-# uncomment these lines!
+# IF YOU HAVE A 2.13" FLEXIBLE DISPLAY uncomment these lines!
 # display.set_black_buffer(1, False)
 # display.set_color_buffer(1, False)

--- a/examples/epd_blinka.py
+++ b/examples/epd_blinka.py
@ -17,9 +17,7 @@ from adafruit_epd.ssd1675 import Adafruit_SSD1675
 from adafruit_epd.ssd1675b import Adafruit_SSD1675B
 from adafruit_epd.ssd1680 import Adafruit_SSD1680
 from adafruit_epd.ssd1681 import Adafruit_SSD1681
-from adafruit_epd.ssd1683 import Adafruit_SSD1683
 from adafruit_epd.uc8151d import Adafruit_UC8151D
-from adafruit_epd.uc8179 import Adafruit_UC8179

 # create the spi device and pins we will need
 spi = busio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)
@ -37,13 +35,10 @@ print("Creating display")
 # display = Adafruit_SSD1680(122, 250,        # 2.13" HD Tri-color display
 # display = Adafruit_SSD1681(200, 200,        # 1.54" HD Tri-color display
 # display = Adafruit_SSD1675(122, 250,        # 2.13" HD mono display
-# display = Adafruit_SSD1683(400, 300,        # 4.2" 300x400 Tri-Color display
 # display = Adafruit_IL91874(176, 264,        # 2.7" Tri-color display
 # display = Adafruit_EK79686(176, 264,        # 2.7" Tri-color display
 # display = Adafruit_IL0373(152, 152,         # 1.54" Tri-color display
 # display = Adafruit_UC8151D(128, 296,        # 2.9" mono flexible display
-# display = Adafruit_UC8179(648, 480,         # 5.83" mono 648x480 display
-# display = Adafruit_UC8179(800, 480,         # 7.5" mono 800x480 display
 # display = Adafruit_IL0373(128, 296,         # 2.9" Tri-color display
 # display = Adafruit_IL0398(400, 300,         # 4.2" Tri-color display
 # display = Adafruit_IL0373(104, 212,         # 2.13" Tri-color display
@ -58,9 +53,7 @@ display = Adafruit_SSD1675B(
    busy_pin=busy,
 )

-# IF YOU HAVE A 2.13" FLEXIBLE DISPLAY OR!
-# UC8179 5.83" or 7.5" displays
-# uncomment these lines!
+# IF YOU HAVE A 2.13" FLEXIBLE DISPLAY uncomment these lines!
 # display.set_black_buffer(1, False)
 # display.set_color_buffer(1, False)

--- a/examples/epd_pillow_demo.py
+++ b/examples/epd_pillow_demo.py
@ -20,9 +20,7 @@ from adafruit_epd.ssd1608 import Adafruit_SSD1608
 from adafruit_epd.ssd1675 import Adafruit_SSD1675
 from adafruit_epd.ssd1680 import Adafruit_SSD1680, Adafruit_SSD1680Z
 from adafruit_epd.ssd1681 import Adafruit_SSD1681
-from adafruit_epd.ssd1683 import Adafruit_SSD1683
 from adafruit_epd.uc8151d import Adafruit_UC8151D
-from adafruit_epd.uc8179 import Adafruit_UC8179

 # First define some color constants
 WHITE = (0xFF, 0xFF, 0xFF)
@ -55,11 +53,8 @@ busy = digitalio.DigitalInOut(board.D17)
 # display = Adafruit_EK79686(176, 264,        # 2.7" Tri-color display
 # display = Adafruit_IL0373(152, 152,         # 1.54" Tri-color display
 # display = Adafruit_UC8151D(128, 296,        # 2.9" mono flexible display
-# display = Adafruit_UC8179(648, 480,         # 5.83" mono 648x480 display
-# display = Adafruit_UC8179(800, 480,         # 7.5" mono 800x480 display
 # display = Adafruit_IL0373(128, 296,         # 2.9" Tri-color display IL0373
 # display = Adafruit_SSD1680(128, 296,        # 2.9" Tri-color display SSD1680
-# display = Adafruit_SSD1683(400, 300,        # 4.2" 300x400 Tri-Color display
 # display = Adafruit_IL0398(400, 300,         # 4.2" Tri-color display
 display = Adafruit_IL0373(
    104,
@ -72,9 +67,7 @@ display = Adafruit_IL0373(
    busy_pin=busy,
 )

-# IF YOU HAVE A 2.13" FLEXIBLE DISPLAY OR!
-# UC8179 5.83" or 7.5" displays
-# uncomment these lines!
+# IF YOU HAVE A 2.13" FLEXIBLE DISPLAY uncomment these lines!
 # display.set_black_buffer(1, False)
 # display.set_color_buffer(1, False)

--- a/examples/epd_pillow_image.py
+++ b/examples/epd_pillow_image.py
@ -22,9 +22,7 @@ from adafruit_epd.ssd1608 import Adafruit_SSD1608
 from adafruit_epd.ssd1675 import Adafruit_SSD1675
 from adafruit_epd.ssd1680 import Adafruit_SSD1680, Adafruit_SSD1680Z
 from adafruit_epd.ssd1681 import Adafruit_SSD1681
-from adafruit_epd.ssd1683 import Adafruit_SSD1683
 from adafruit_epd.uc8151d import Adafruit_UC8151D
-from adafruit_epd.uc8179 import Adafruit_UC8179

 # create the spi device and pins we will need
 spi = busio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)
@ -45,11 +43,8 @@ busy = digitalio.DigitalInOut(board.D17)
 # display = Adafruit_EK79686(176, 264,        # 2.7" Tri-color display
 # display = Adafruit_IL0373(152, 152,         # 1.54" Tri-color display
 # display = Adafruit_UC8151D(128, 296,        # 2.9" mono flexible display
-# display = Adafruit_UC8179(648, 480,         # 5.83" mono 648x480 display
-# display = Adafruit_UC8179(800, 480,         # 7.5" mono 800x480 display
 # display = Adafruit_IL0373(128, 296,         # 2.9" Tri-color display IL0373
 # display = Adafruit_SSD1680(128, 296,        # 2.9" Tri-color display SSD1680
-# display = Adafruit_SSD1683(400, 300,        # 4.2" 300x400 Tri-Color display
 # display = Adafruit_IL0398(400, 300,         # 4.2" Tri-color display
 display = Adafruit_IL0373(
    104,
@ -62,9 +57,7 @@ display = Adafruit_IL0373(
    busy_pin=busy,
 )

-# IF YOU HAVE A 2.13" FLEXIBLE DISPLAY OR!
-# UC8179 5.83" or 7.5" displays
-# uncomment these lines!
+# IF YOU HAVE A 2.13" FLEXIBLE DISPLAY uncomment these lines!
 # display.set_black_buffer(1, False)
 # display.set_color_buffer(1, False)

--- a/examples/epd_simpletest.py
+++ b/examples/epd_simpletest.py
@ -15,9 +15,7 @@ from adafruit_epd.ssd1608 import Adafruit_SSD1608
 from adafruit_epd.ssd1675 import Adafruit_SSD1675
 from adafruit_epd.ssd1680 import Adafruit_SSD1680, Adafruit_SSD1680Z
 from adafruit_epd.ssd1681 import Adafruit_SSD1681
-from adafruit_epd.ssd1683 import Adafruit_SSD1683
 from adafruit_epd.uc8151d import Adafruit_UC8151D
-from adafruit_epd.uc8179 import Adafruit_UC8179

 # create the spi device and pins we will need
 spi = busio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)
@ -39,11 +37,8 @@ print("Creating display")
 # display = Adafruit_EK79686(176, 264,        # 2.7" Tri-color display
 # display = Adafruit_IL0373(152, 152,         # 1.54" Tri-color display
 # display = Adafruit_UC8151D(128, 296,        # 2.9" mono flexible display
-# display = Adafruit_UC8179(648, 480,         # 5.83" mono 648x480 display
-# display = Adafruit_UC8179(800, 480,         # 7.5" mono 800x480 display
 # display = Adafruit_IL0373(128, 296,         # 2.9" Tri-color display IL0373
 # display = Adafruit_SSD1680(128, 296,        # 2.9" Tri-color display SSD1680
-# display = Adafruit_SSD1683(400, 300,        # 4.2" 300x400 Tri-Color display
 # display = Adafruit_IL0398(400, 300,         # 4.2" Tri-color display
 display = Adafruit_IL0373(
    104,
@ -56,9 +51,7 @@ display = Adafruit_IL0373(
    busy_pin=busy,
 )

-# IF YOU HAVE A 2.13" FLEXIBLE DISPLAY OR!
-# UC8179 5.83" or 7.5" displays
-# uncomment these lines!
+# IF YOU HAVE A 2.13" FLEXIBLE DISPLAY uncomment these lines!
 # display.set_black_buffer(1, False)
 # display.set_color_buffer(1, False)