Added example for Mini TFT breakout

Author: Melissa LeBlanc-Williams

examples/st7735_miniTFT_simpletest.py

@@ -1,24 +1,17 @@
 """
-This example will test out the display on the Mini TFT FeatherWing
+This example will test out the display on the Mini TFT Breakout
 """
 import board
 import displayio
-from adafruit_seesaw.seesaw import Seesaw
 from adafruit_st7735.st7735r import ST7735R
 
-reset_pin = 8
-i2c = board.I2C()
-ss = Seesaw(i2c, 0x5E)
-ss.pin_mode(reset_pin, ss.OUTPUT)
-
 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)
 
-ss.digital_write(reset_pin, True)
 display = ST7735R(display_bus, width=160, height=80, rowstart=24, init=b"\x36\x01\x60")
 
 # Make the display context

examples/st7735_minitft_featherwing_simpletest.py

@@ -0,0 +1,43 @@
+"""
+This example will test out the display on the Mini TFT FeatherWing
+"""
+import board
+import displayio
+from adafruit_seesaw.seesaw import Seesaw
+from adafruit_st7735.st7735r import ST7735R
+
+reset_pin = 8
+i2c = board.I2C()
+ss = Seesaw(i2c, 0x5E)
+ss.pin_mode(reset_pin, ss.OUTPUT)
+
+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)
+
+ss.digital_write(reset_pin, True)
+display = ST7735R(display_bus, width=160, height=80, rowstart=24, init=b"\x36\x01\x60")
+
+# Make the display context
+splash = displayio.Group(max_size=10)
+display.show(splash)
+
+color_bitmap = displayio.Bitmap(160, 80, 1)
+color_palette = displayio.Palette(1)
+color_palette[0] = 0xFF0000
+
+try:
+    bg_sprite = displayio.TileGrid(color_bitmap,
+                                   pixel_shader=color_palette,
+                                   position=(0, 0))
+except TypeError:
+    bg_sprite = displayio.TileGrid(color_bitmap,
+                                   pixel_shader=color_palette,
+                                   x=0, y=0)
+splash.append(bg_sprite)
+
+while True:
+    pass