Merge pull request #7 from makermelissa/master

Spruce up examples

Author: makermelissa

adafruit_ssd1327.py

@@ -79,7 +79,6 @@ def __init__(self, bus, **kwargs):
         if "rotation" in kwargs and kwargs["rotation"] % 180 != 0:
             height = kwargs["width"]
         init_sequence[18] = height - 1  # patch mux ratio
-        print(height)
         super().__init__(
             bus,
             init_sequence,

examples/ssd1327_gamma.py

@@ -1,20 +1,23 @@
 import time
 import board
-import busio
 import displayio
 import adafruit_ssd1327
 
 displayio.release_displays()
 
-# This pinout works on a Metro and may need to be altered for other boards.
-spi = busio.SPI(board.SCL, board.SDA)
-tft_cs = board.D6
-tft_dc = board.D9
-tft_reset = board.D5
+# Use for I2C
+i2c = board.I2C()
+display_bus = displayio.I2CDisplay(i2c, device_address=0x3D)
+
+# Use for SPI
+# spi = board.SPI()
+# oled_cs = board.D5
+# oled_dc = board.D6
+# display_bus = displayio.FourWire(
+#    spi, command=oled_dc, chip_select=oled_cs, baudrate=1000000, reset=board.D9
+# )
+
 
-display_bus = displayio.FourWire(
-    spi, command=tft_dc, chip_select=tft_cs, reset=tft_reset, baudrate=1000000
-)
 time.sleep(1)
 display = adafruit_ssd1327.SSD1327(display_bus, width=128, height=128)
 

examples/ssd1327_simpletest.py

@@ -1,19 +1,68 @@
-import time
 import board
-import busio
 import displayio
+import terminalio
+from adafruit_display_text import label
 import adafruit_ssd1327
 
 displayio.release_displays()
 
-# This pinout works on a Metro and may need to be altered for other boards.
-spi = busio.SPI(board.SCL, board.SDA)
-tft_cs = board.D6
-tft_dc = board.D9
-tft_reset = board.D5
+# Use for I2C
+i2c = board.I2C()
+display_bus = displayio.I2CDisplay(i2c, device_address=0x3D)
 
-display_bus = displayio.FourWire(
-    spi, command=tft_dc, chip_select=tft_cs, reset=tft_reset, baudrate=1000000
+# Use for SPI
+# spi = board.SPI()
+# oled_cs = board.D5
+# oled_dc = board.D6
+# display_bus = displayio.FourWire(
+#    spi, command=oled_dc, chip_select=oled_cs, baudrate=1000000, reset=board.D9
+# )
+
+WIDTH = 128
+HEIGHT = 128
+BORDER = 8
+FONTSCALE = 1
+
+display = adafruit_ssd1327.SSD1327(display_bus, width=WIDTH, height=HEIGHT)
+
+# Make the display context
+splash = displayio.Group(max_size=10)
+display.show(splash)
+
+# Draw a background rectangle, but not the full display size
+color_bitmap = displayio.Bitmap(
+    display.width - BORDER * 2, display.height - BORDER * 2, 1
+)
+color_palette = displayio.Palette(1)
+color_palette[0] = 0xFFFFFF  # White
+bg_sprite = displayio.TileGrid(
+    color_bitmap, pixel_shader=color_palette, x=BORDER, y=BORDER
 )
-time.sleep(1)
-display = adafruit_ssd1327.SSD1327(display_bus, width=128, height=128)
+splash.append(bg_sprite)
+
+# Draw a smaller inner rectangle
+inner_bitmap = displayio.Bitmap(
+    display.width - BORDER * 4, display.height - BORDER * 4, 1
+)
+inner_palette = displayio.Palette(1)
+inner_palette[0] = 0x888888  # Gray
+inner_sprite = displayio.TileGrid(
+    inner_bitmap, pixel_shader=inner_palette, x=BORDER * 2, y=BORDER * 2
+)
+splash.append(inner_sprite)
+
+# Draw a label
+text = "Hello World!"
+text_area = label.Label(terminalio.FONT, text=text, color=0xFFFFFF)
+text_width = text_area.bounding_box[2] * FONTSCALE
+text_group = displayio.Group(
+    max_size=10,
+    scale=FONTSCALE,
+    x=display.width // 2 - text_width // 2,
+    y=display.height // 2,
+)
+text_group.append(text_area)  # Subgroup for text scaling
+splash.append(text_group)
+
+while True:
+    pass