adafruit · makermelissa · Feb 23, 2021 · Feb 22, 2021 · Feb 22, 2021 · Feb 22, 2021
diff --git a/.pylintrc b/.pylintrc
@@ -22,8 +22,8 @@ ignore-patterns=
 #init-hook=
 
 # Use multiple processes to speed up Pylint.
-# jobs=1
-jobs=2
+jobs=1
+# jobs=2
 
 # List of plugins (as comma separated values of python modules names) to load,
 # usually to register additional checkers.
@@ -253,7 +253,7 @@ ignore-docstrings=yes
 ignore-imports=no
 
 # Minimum lines number of a similarity.
-min-similarity-lines=4
+min-similarity-lines=50
 
 
 [BASIC]

diff --git a/adafruit_epd/ssd1681.py b/adafruit_epd/ssd1681.py
@@ -6,7 +6,7 @@
 `adafruit_epd.ssd1681` - Adafruit SSD1681 - ePaper display driver
 ====================================================================================
 CircuitPython driver for Adafruit SSD1681 display breakouts
-* Author(s): Dean Miller, Ladyada
+* Author(s): Dean Miller, Ladyada, Melissa LeBlanc-Williams
 """
 
 import time
@@ -66,8 +66,6 @@
 _SSD1681_SET_RAMYCOUNT = const(0x4F)
 _SSD1681_NOP = const(0xFF)
 
-_LUT_DATA = b'\x02\x02\x01\x11\x12\x12""fiiYX\x99\x99\x88\x00\x00\x00\x00\xf8\xb4\x13Q5QQ\x19\x01\x00'  # pylint: disable=line-too-long
-
 
 class Adafruit_SSD1681(Adafruit_EPD):
     """driver class for Adafruit SSD1681 ePaper display breakouts"""
@@ -85,16 +83,22 @@ def __init__(
             self._height = height
 
         self._buffer1_size = int(width * height / 8)
+        self._buffer2_size = int(width * height / 8)
 
         if sramcs_pin:
             self._buffer1 = self.sram.get_view(0)
+            self._buffer2 = self.sram.get_view(self._buffer1_size)
         else:
             self._buffer1 = bytearray((width * height) // 8)
+            self._buffer2 = bytearray((width * height) // 8)
         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
+        )
         self.set_black_buffer(0, True)
-        self.set_color_buffer(0, True)
+        self.set_color_buffer(1, False)
         # pylint: enable=too-many-arguments
 
     def begin(self, reset=True):
@@ -158,12 +162,14 @@ def write_ram(self, index):
         0 or 1 for tri-color displays."""
         if index == 0:
             return self.command(_SSD1681_WRITE_BWRAM, end=False)
-        raise RuntimeError("RAM index must be 0")
+        if index == 1:
+            return self.command(_SSD1681_WRITE_REDRAM, end=False)
+        raise RuntimeError("RAM index must be 0 or 1")
 
     def set_ram_address(self, x, y):  # pylint: disable=unused-argument, no-self-use
         """Set the RAM address location, not used on this chipset but required by
         the superclass"""
         # Set RAM X address counter
         self.command(_SSD1681_SET_RAMXCOUNT, bytearray([x]))
         # Set RAM Y address counter
-        self.command(_SSD1681_SET_RAMYCOUNT, bytearray([y >> 8, y]))
+        self.command(_SSD1681_SET_RAMYCOUNT, bytearray([y, y >> 8]))
diff --git a/examples/epd_bitmap.py b/examples/epd_bitmap.py
@@ -10,6 +10,7 @@
 from adafruit_epd.il0398 import Adafruit_IL0398  # pylint: disable=unused-import
 from adafruit_epd.ssd1608 import Adafruit_SSD1608  # pylint: disable=unused-import
 from adafruit_epd.ssd1675 import Adafruit_SSD1675  # pylint: disable=unused-import
+from adafruit_epd.ssd1681 import Adafruit_SSD1681  # pylint: disable=unused-import
 
 
 # create the spi device and pins we will need
@@ -22,16 +23,17 @@
 
 # give them all to our driver
 print("Creating display")
-# display = Adafruit_SSD1608(200, 200, spi,        # 1.54" HD mono display
-# display = Adafruit_SSD1675(122, 250, spi,        # 2.13" HD mono display
-# display = Adafruit_IL91874(176, 264, spi,        # 2.7" Tri-color display
-# display = Adafruit_IL0373(152, 152, spi,         # 1.54" Tri-color display
-# display = Adafruit_IL0373(128, 296, spi,         # 2.9" Tri-color display
-# display = Adafruit_IL0398(400, 300, spi,         # 4.2" Tri-color display
+# display = Adafruit_SSD1608(200, 200,        # 1.54" HD mono display
+# display = Adafruit_SSD1675(122, 250,        # 2.13" HD mono display
+# display = Adafruit_SSD1681(200, 200,        # 1.54" HD Tri-color display
+# display = Adafruit_IL91874(176, 264,        # 2.7" Tri-color display
+# display = Adafruit_IL0373(152, 152,         # 1.54" Tri-color 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,
-    spi,  # 2.13" Tri-color display
+    212,  # 2.13" Tri-color display
+    spi,
     cs_pin=ecs,
     dc_pin=dc,
     sramcs_pin=srcs,

diff --git a/examples/epd_blinka.py b/examples/epd_blinka.py
@@ -31,14 +31,14 @@
 
 # give them all to our driver
 print("Creating display")
-# display =  Adafruit_SSD1608(200, 200, spi,        # 1.54" HD mono display
-# display =  Adafruit_SSD1681(200, 200, spi,        # 1.54" HD mono display (alt)
-# display =  Adafruit_SSD1675(122, 250, spi,        # 2.13" HD mono display
-# display = Adafruit_IL91874(176, 264, spi,        # 2.7" Tri-color display
-# display =  Adafruit_IL0373(152, 152, spi,         # 1.54" Tri-color display
-# display =  Adafruit_IL0373(128, 296, spi,         # 2.9" Tri-color display
-# display =  Adafruit_IL0398(400, 300, spi,         # 4.2" Tri-color display
-# display =  Adafruit_IL0373(104, 212, spi,          # 2.13" Tri-color display
+# display = Adafruit_SSD1608(200, 200,         # 1.54" HD mono display
+# display = Adafruit_SSD1681(200, 200,         # 1.54" HD Tri-color display
+# display = Adafruit_SSD1675(122, 250,         # 2.13" HD mono display
+# display = Adafruit_IL91874(176, 264,         # 2.7" Tri-color display
+# display = Adafruit_IL0373(152, 152,          # 1.54" Tri-color 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
 display = Adafruit_SSD1675B(
     122,
     250,

diff --git a/examples/epd_pillow_demo.py b/examples/epd_pillow_demo.py
@@ -15,6 +15,7 @@
 from adafruit_epd.il0398 import Adafruit_IL0398  # pylint: disable=unused-import
 from adafruit_epd.ssd1608 import Adafruit_SSD1608  # pylint: disable=unused-import
 from adafruit_epd.ssd1675 import Adafruit_SSD1675  # pylint: disable=unused-import
+from adafruit_epd.ssd1681 import Adafruit_SSD1681  # pylint: disable=unused-import
 
 # First define some color constants
 WHITE = (0xFF, 0xFF, 0xFF)
@@ -39,6 +40,7 @@
 # give them all to our driver
 # display = Adafruit_SSD1608(200, 200,        # 1.54" HD mono display
 # display = Adafruit_SSD1675(122, 250,        # 2.13" HD mono display
+# display = Adafruit_SSD1681(200, 200,        # 1.54" HD Tri-color display
 # display = Adafruit_IL91874(176, 264,        # 2.7" Tri-color display
 # display = Adafruit_IL0373(152, 152,         # 1.54" Tri-color display
 # display = Adafruit_IL0373(128, 296,         # 2.9" Tri-color display

diff --git a/examples/epd_pillow_image.py b/examples/epd_pillow_image.py
@@ -17,6 +17,7 @@
 from adafruit_epd.il0398 import Adafruit_IL0398  # pylint: disable=unused-import
 from adafruit_epd.ssd1608 import Adafruit_SSD1608  # pylint: disable=unused-import
 from adafruit_epd.ssd1675 import Adafruit_SSD1675  # pylint: disable=unused-import
+from adafruit_epd.ssd1681 import Adafruit_SSD1681  # pylint: disable=unused-import
 
 
 # create the spi device and pins we will need
@@ -30,6 +31,7 @@
 # give them all to our driver
 # display = Adafruit_SSD1608(200, 200,        # 1.54" HD mono display
 # display = Adafruit_SSD1675(122, 250,        # 2.13" HD mono display
+# display = Adafruit_SSD1681(200, 200,        # 1.54" HD Tri-color display
 # display = Adafruit_IL91874(176, 264,        # 2.7" Tri-color display
 # display = Adafruit_IL0373(152, 152,         # 1.54" Tri-color display
 # display = Adafruit_IL0373(128, 296,         # 2.9" Tri-color display

diff --git a/examples/epd_simpletest.py b/examples/epd_simpletest.py
@@ -10,6 +10,7 @@
 from adafruit_epd.il0398 import Adafruit_IL0398  # pylint: disable=unused-import
 from adafruit_epd.ssd1608 import Adafruit_SSD1608  # pylint: disable=unused-import
 from adafruit_epd.ssd1675 import Adafruit_SSD1675  # pylint: disable=unused-import
+from adafruit_epd.ssd1681 import Adafruit_SSD1681  # pylint: disable=unused-import
 
 # create the spi device and pins we will need
 spi = busio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)
@@ -19,18 +20,19 @@
 rst = digitalio.DigitalInOut(board.D9)  # can be None to not use this pin
 busy = digitalio.DigitalInOut(board.D5)  # can be None to not use this pin
 
-# give them all to our driver
+# give them all to our drivers
 print("Creating display")
-# display = Adafruit_SSD1608(200, 200, spi,        # 1.54" HD mono display
-# display = Adafruit_SSD1675(122, 250, spi,        # 2.13" HD mono display
-# display = Adafruit_IL91874(176, 264, spi,        # 2.7" Tri-color display
-# display = Adafruit_IL0373(152, 152, spi,         # 1.54" Tri-color display
-# display = Adafruit_IL0373(128, 296, spi,         # 2.9" Tri-color display
-# display = Adafruit_IL0398(400, 300, spi,         # 4.2" Tri-color display
+# display = Adafruit_SSD1608(200, 200,        # 1.54" HD mono display
+# display = Adafruit_SSD1675(122, 250,        # 2.13" HD mono display
+# display = Adafruit_SSD1681(200, 200,        # 1.54" HD Tri-color display
+# display = Adafruit_IL91874(176, 264,        # 2.7" Tri-color display
+# display = Adafruit_IL0373(152, 152,         # 1.54" Tri-color 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,
-    spi,  # 2.13" Tri-color display
+    212,  # 2.13" Tri-color display
+    spi,
     cs_pin=ecs,
     dc_pin=dc,
     sramcs_pin=srcs,