Merge pull request #18 from prcutler/root-group-fix

Update to use fourwire and root_group for CP 9 compatibility

Author: dhalbert

README.rst

@@ -63,6 +63,7 @@ Usage Example
     import board
     import busio
     import displayio
+    import fourwire
     import adafruit_ssd1325
 
     displayio.release_displays()
@@ -73,7 +74,7 @@ Usage Example
     tft_dc = board.D8
     tft_reset = board.D7
 
-    display_bus = displayio.FourWire(spi, command=tft_dc, chip_select=tft_cs, reset=tft_reset,
+    display_bus = fourwire.FourWire(spi, command=tft_dc, chip_select=tft_cs, reset=tft_reset,
                                      baudrate=1000000)
     time.sleep(1)
     display = adafruit_ssd1325.SSD1325(display_bus, width=128, height=64)

examples/ssd1325_gamma.py

@@ -4,6 +4,7 @@
 import time
 import board
 import displayio
+import fourwire
 import adafruit_ssd1325
 
 displayio.release_displays()
@@ -13,7 +14,7 @@
 oled_dc = board.D6
 oled_reset = board.D9
 
-display_bus = displayio.FourWire(
+display_bus = fourwire.FourWire(
     spi, command=oled_dc, chip_select=oled_cs, reset=oled_reset, baudrate=1000000
 )
 time.sleep(1)
@@ -40,6 +41,6 @@
 
 g.append(t)
 
-display.show(g)
+display.root_group = g
 
 time.sleep(10)

examples/ssd1325_simpletest.py

@@ -8,6 +8,7 @@
 
 import board
 import displayio
+import fourwire
 import terminalio
 from adafruit_display_text import label
 import adafruit_ssd1325
@@ -18,7 +19,7 @@
 spi = board.SPI()
 oled_cs = board.D5
 oled_dc = board.D6
-display_bus = displayio.FourWire(
+display_bus = fourwire.FourWire(
     spi, command=oled_dc, chip_select=oled_cs, baudrate=1000000, reset=board.D9
 )
 
@@ -36,7 +37,7 @@
 
 # Make the display context
 splash = displayio.Group()
-display.show(splash)
+display.root_group = splash
 
 color_bitmap = displayio.Bitmap(display.width, display.height, 1)
 color_palette = displayio.Palette(1)