FourWire support for 8.x.x and 9.x.x

Author: dhalbert

examples/il0398_4.2_color.py

@@ -14,9 +14,15 @@
 import time
 import board
 import displayio
-import fourwire
 import adafruit_il0398
 
+# Compatibility with both CircuitPython 8.x.x and 9.x.x.
+# Remove after 8.x.x is no longer a supported release.
+try:
+    from fourwire import FourWire
+except ImportError:
+    from displayio import FourWire
+
 displayio.release_displays()
 
 # This pinout works on a Feather M4 and may need to be altered for other boards.
@@ -26,7 +32,7 @@
 epd_reset = board.D5
 epd_busy = board.D6
 
-display_bus = fourwire.FourWire(
+display_bus = FourWire(
     spi, command=epd_dc, chip_select=epd_cs, reset=epd_reset, baudrate=1000000
 )
 time.sleep(1)

examples/il0398_simpletest.py

@@ -12,9 +12,15 @@
 import time
 import board
 import displayio
-import fourwire
 import adafruit_il0398
 
+# Compatibility with both CircuitPython 8.x.x and 9.x.x.
+# Remove after 8.x.x is no longer a supported release.
+try:
+    from fourwire import FourWire
+except ImportError:
+    from displayio import FourWire
+
 displayio.release_displays()
 
 # This pinout works on a Feather M4 and may need to be altered for other boards.
@@ -24,7 +30,7 @@
 epd_reset = board.D5
 epd_busy = board.D6
 
-display_bus = fourwire.FourWire(
+display_bus = FourWire(
     spi, command=epd_dc, chip_select=epd_cs, reset=epd_reset, baudrate=1000000
 )
 time.sleep(1)