waveshare213b and waveshare213c support bug fixes

pwnagotchi/ui/hw/libs/waveshare/v213bc/epd2in13bc.py

@@ -134,6 +134,16 @@ class EPD:
         self.send_command(0x12) # REFRESH
         self.ReadBusy()
 
+    def pwndisplay(self, imageblack):
+        self.send_command(0x10)
+        for i in range(0, int(self.width * self.height / 8)):
+            self.send_data(imageblack[i])
+        self.send_command(0x92)
+
+        self.send_command(0x12) # REFRESH
+        self.ReadBusy()
+
+
     def Clear(self):
         self.send_command(0x10)
         for i in range(0, int(self.width * self.height / 8)):
@@ -156,4 +166,3 @@ class EPD:
 
         epdconfig.module_exit()
 ### END OF FILE ###
-

pwnagotchi/ui/hw/waveshare213bc.py

@@ -42,7 +42,7 @@ class Waveshare213bc(DisplayImpl):
 
     def render(self, canvas):
         buf = self._display.getbuffer(canvas)
-        self._display.display(buf)
+        self._display.pwndisplay(buf)
 
     def clear(self):
         #pass