Merge pull request #32 from prcutler/root-group-fix

Update to use fourwire and root_group for CP 9 compatibility

Author: dhalbert

README.rst

@@ -53,20 +53,20 @@ Usage Example
 
     import board
     import displayio
+    import fourwire
     from adafruit_st7735r import ST7735R
 
     spi = board.SPI()
     tft_cs = board.D5
     tft_dc = board.D6
 
     displayio.release_displays()
-    display_bus = displayio.FourWire(spi, command=tft_dc, chip_select=tft_cs, reset=board.D9)
+    display_bus = fourwire.FourWire(spi, command=tft_dc, chip_select=tft_cs, reset=board.D9)
 
     display = ST7735R(display_bus, width=128, height=128, colstart=2, rowstart=1)
 
     # Make the display context
     splash = displayio.Group()
-    display.show(splash)
 
     color_bitmap = displayio.Bitmap(128, 128, 1)
     color_palette = displayio.Palette(1)

examples/st7735r_128x160_colored_labels.py

@@ -9,6 +9,7 @@
 import board
 import terminalio
 import displayio
+import fourwire
 from adafruit_display_text import label
 from adafruit_st7735r import ST7735R
 
@@ -19,17 +20,15 @@
 tft_cs = board.D5
 tft_dc = board.D6
 
-display_bus = displayio.FourWire(
-    spi, command=tft_dc, chip_select=tft_cs, reset=board.D9
-)
+display_bus = fourwire.FourWire(spi, command=tft_dc, chip_select=tft_cs, reset=board.D9)
 
 display = ST7735R(
     display_bus, width=160, height=80, colstart=24, rotation=270, bgr=False
 )
 
 # Make the display context
 splash = displayio.Group()
-display.show(splash)
+display.root_group = splash
 
 color_bitmap = displayio.Bitmap(160, 80, 1)
 color_palette = displayio.Palette(1)

examples/st7735r_128x160_simpletest.py

@@ -9,6 +9,7 @@
 import board
 import terminalio
 import displayio
+import fourwire
 from adafruit_display_text import label
 from adafruit_st7735r import ST7735R
 
@@ -19,15 +20,13 @@
 tft_cs = board.D5
 tft_dc = board.D6
 
-display_bus = displayio.FourWire(
-    spi, command=tft_dc, chip_select=tft_cs, reset=board.D9
-)
+display_bus = fourwire.FourWire(spi, command=tft_dc, chip_select=tft_cs, reset=board.D9)
 
 display = ST7735R(display_bus, width=160, height=128, rotation=90, bgr=True)
 
 # Make the display context
 splash = displayio.Group()
-display.show(splash)
+display.root_group = splash
 
 color_bitmap = displayio.Bitmap(160, 128, 1)
 color_palette = displayio.Palette(1)

examples/st7735r_18tftshield_buttons.py

@@ -7,6 +7,7 @@
 import time
 import board
 import displayio
+import fourwire
 from adafruit_seesaw.tftshield18 import TFTShield18
 from adafruit_st7735r import ST7735R
 
@@ -19,7 +20,7 @@
 tft_cs = board.D10
 tft_dc = board.D8
 
-display_bus = displayio.FourWire(spi, command=tft_dc, chip_select=tft_cs)
+display_bus = fourwire.FourWire(spi, command=tft_dc, chip_select=tft_cs)
 
 ss.tft_reset()
 display = ST7735R(display_bus, width=160, height=128, rotation=90, bgr=True)

examples/st7735r_minitft_featherwing_simpletest.py

@@ -9,6 +9,7 @@
 import board
 import terminalio
 import displayio
+import fourwire
 from adafruit_display_text import label
 from adafruit_seesaw.seesaw import Seesaw
 from adafruit_st7735r import ST7735R
@@ -26,7 +27,7 @@
 tft_cs = board.D5
 tft_dc = board.D6
 
-display_bus = displayio.FourWire(spi, command=tft_dc, chip_select=tft_cs)
+display_bus = fourwire.FourWire(spi, command=tft_dc, chip_select=tft_cs)
 
 ss.digital_write(reset_pin, True)
 display = ST7735R(
@@ -35,7 +36,7 @@
 
 # Make the display context
 splash = displayio.Group()
-display.show(splash)
+display.root_group = splash
 
 color_bitmap = displayio.Bitmap(160, 80, 1)
 color_palette = displayio.Palette(1)

examples/st7735r_minitft_revb_simpletest.py

@@ -9,6 +9,7 @@
 import board
 import terminalio
 import displayio
+import fourwire
 from adafruit_display_text import label
 from adafruit_st7735r import ST7735R
 
@@ -19,9 +20,7 @@
 tft_cs = board.D5
 tft_dc = board.D6
 
-display_bus = displayio.FourWire(
-    spi, command=tft_dc, chip_select=tft_cs, reset=board.D9
-)
+display_bus = fourwire.FourWire(spi, command=tft_dc, chip_select=tft_cs, reset=board.D9)
 
 display = ST7735R(
     display_bus,
@@ -35,7 +34,7 @@
 
 # Make the display context
 splash = displayio.Group()
-display.show(splash)
+display.root_group = splash
 
 color_bitmap = displayio.Bitmap(160, 80, 1)
 color_palette = displayio.Palette(1)

examples/st7735r_minitft_simpletest.py

@@ -9,6 +9,7 @@
 import board
 import terminalio
 import displayio
+import fourwire
 from adafruit_display_text import label
 from adafruit_st7735r import ST7735R
 
@@ -19,17 +20,15 @@
 tft_cs = board.D5
 tft_dc = board.D6
 
-display_bus = displayio.FourWire(
-    spi, command=tft_dc, chip_select=tft_cs, reset=board.D9
-)
+display_bus = fourwire.FourWire(spi, command=tft_dc, chip_select=tft_cs, reset=board.D9)
 
 display = ST7735R(
     display_bus, width=160, height=80, colstart=24, rotation=270, bgr=True
 )
 
 # Make the display context
 splash = displayio.Group()
-display.show(splash)
+display.root_group = splash
 
 color_bitmap = displayio.Bitmap(160, 80, 1)
 color_palette = displayio.Palette(1)

examples/st7735r_simpletest.py

@@ -9,6 +9,7 @@
 import board
 import terminalio
 import displayio
+import fourwire
 from adafruit_display_text import label
 from adafruit_st7735r import ST7735R
 
@@ -19,15 +20,13 @@
 tft_cs = board.D5
 tft_dc = board.D6
 
-display_bus = displayio.FourWire(
-    spi, command=tft_dc, chip_select=tft_cs, reset=board.D9
-)
+display_bus = fourwire.FourWire(spi, command=tft_dc, chip_select=tft_cs, reset=board.D9)
 
 display = ST7735R(display_bus, width=128, height=128, colstart=2, rowstart=1)
 
 # Make the display context
 splash = displayio.Group()
-display.show(splash)
+display.root_group = splash
 
 color_bitmap = displayio.Bitmap(128, 128, 1)
 color_palette = displayio.Palette(1)