Merge pull request #15 from prcutler/root-group-fix

Update to use fourwire and root_group for CP9 compatibility

Author: dhalbert

README.rst

@@ -71,6 +71,7 @@ Usage Example
     import time
     import board
     import displayio
+    import fourwire
     import adafruit_il0398
 
     displayio.release_displays()
@@ -82,7 +83,7 @@ Usage Example
     epd_reset = board.D5
     epd_busy = board.D6
 
-    display_bus = displayio.FourWire(spi, command=epd_dc, chip_select=epd_cs, reset=epd_reset,
+    display_bus = fourwire.FourWire(spi, command=epd_dc, chip_select=epd_cs, reset=epd_reset,
                                      baudrate=1000000)
     time.sleep(1)
 
@@ -103,7 +104,7 @@ Usage Example
 
     g.append(t)
 
-    display.show(g)
+    display.root_group = g
 
     display.refresh()
 

examples/il0398_4.2_color.py

@@ -14,6 +14,7 @@
 import time
 import board
 import displayio
+import fourwire
 import adafruit_il0398
 
 displayio.release_displays()
@@ -25,7 +26,7 @@
 epd_reset = board.D5
 epd_busy = board.D6
 
-display_bus = displayio.FourWire(
+display_bus = fourwire.FourWire(
     spi, command=epd_dc, chip_select=epd_cs, reset=epd_reset, baudrate=1000000
 )
 time.sleep(1)
@@ -51,7 +52,7 @@
     # t = displayio.TileGrid(pic, pixel_shader=pic.pixel_shader)
     g.append(t)
 
-    display.show(g)
+    display.root_group = g
 
     display.refresh()
 

examples/il0398_simpletest.py

@@ -12,6 +12,7 @@
 import time
 import board
 import displayio
+import fourwire
 import adafruit_il0398
 
 displayio.release_displays()
@@ -23,7 +24,7 @@
 epd_reset = board.D5
 epd_busy = board.D6
 
-display_bus = displayio.FourWire(
+display_bus = fourwire.FourWire(
     spi, command=epd_dc, chip_select=epd_cs, reset=epd_reset, baudrate=1000000
 )
 time.sleep(1)
@@ -44,7 +45,7 @@
     # t = displayio.TileGrid(pic, pixel_shader=pic.pixel_shader)
     g.append(t)
 
-    display.show(g)
+    display.root_group = g
 
     display.refresh()