Merge pull request #276 from dipsylala/master

Inkyphat subclass to incorporate timing changes.

pwnagotchi/ui/display.py

@@ -136,9 +136,9 @@ class Display(View):
     def _init_display(self):
         if self.is_inky():
             logging.info("initializing inky display")
-            from inky import InkyPHAT
+            from pwnagotchi.ui.inkyphat.inkyphatfast import InkyPHATFast
-            self._display = InkyPHAT(self._display_color)
+            self._display = InkyPHATFast(self._display_color)
-            self._display.set_border(InkyPHAT.BLACK)
+            self._display.set_border(InkyPHATFast.BLACK)
             self._render_cb = self._inky_render
 
         elif self.is_papirus():

pwnagotchi/ui/inkyphat/inkyfast.py

@@ -0,0 +1,24 @@
+from inky.inky import Inky, CS0_PIN, DC_PIN, RESET_PIN, BUSY_PIN
+
+
+class InkyFast(Inky):
+
+    def __init__(self, resolution=(400, 300), colour='black', cs_pin=CS0_PIN, dc_pin=DC_PIN, reset_pin=RESET_PIN,
+                 busy_pin=BUSY_PIN, h_flip=False, v_flip=False):
+        super(InkyFast, self).__init__(resolution, colour, cs_pin, dc_pin, reset_pin, busy_pin, h_flip, v_flip)
+
+        self._luts['black'] = [
+                0b01001000, 0b10100000, 0b00010000, 0b00010000, 0b00010011, 0b00000000, 0b00000000,
+                0b01001000, 0b10100000, 0b10000000, 0b00000000, 0b00000011, 0b00000000, 0b00000000,
+                0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000,
+                0b01001000, 0b10100101, 0b00000000, 0b10111011, 0b00000000, 0b00000000, 0b00000000,
+                0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000,
+                # The following timings have been reduced to avoid the fade to black
+                0x00, 0x00, 0x00, 0x00, 0x00,
+                0x10, 0x04, 0x04, 0x04, 0x04,
+                0x04, 0x08, 0x08, 0x10, 0x10,
+                0x00, 0x00, 0x00, 0x00, 0x00,
+                0x00, 0x00, 0x00, 0x00, 0x00,
+                0x00, 0x00, 0x00, 0x00, 0x00,
+                0x00, 0x00, 0x00, 0x00, 0x00,
+            ]

pwnagotchi/ui/inkyphat/inkyphatfast.py

@@ -0,0 +1,27 @@
+"""Inky pHAT e-Ink Display Driver."""
+from . import inkyfast
+
+
+class InkyPHATFast(inkyfast.InkyFast):
+    """Inky wHAT e-Ink Display Driver."""
+
+    WIDTH = 212
+    HEIGHT = 104
+
+    WHITE = 0
+    BLACK = 1
+    RED = 2
+    YELLOW = 2
+
+    def __init__(self, colour):
+        """Initialise an Inky pHAT Display.
+
+        :param colour: one of red, black or yellow, default: black
+
+        """
+        inkyfast.InkyFast.__init__(
+            self,
+            resolution=(self.WIDTH, self.HEIGHT),
+            colour=colour,
+            h_flip=False,
+            v_flip=False)