Merge pull request #3 from makermelissa/master

Updated Simpletest, changed pins on Gamma Example for Feather

Author: makermelissa

examples/ssd1325_gamma.py

@@ -1,18 +1,16 @@
 import time
 import board
-import busio
 import displayio
 import adafruit_ssd1325
 
 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.D9
-tft_dc = board.D8
-tft_reset = board.D7
+spi = board.SPI()
+oled_cs = board.D5
+oled_dc = board.D6
+oled_reset = board.D9
 
-display_bus = displayio.FourWire(spi, command=tft_dc, chip_select=tft_cs, reset=tft_reset,
+display_bus = displayio.FourWire(spi, command=oled_dc, chip_select=oled_cs, reset=oled_reset,
                                  baudrate=1000000)
 time.sleep(1)
 display = adafruit_ssd1325.SSD1325(display_bus, width=128, height=64)

examples/ssd1325_simpletest.py

@@ -1,18 +1,64 @@
-import time
+"""
+This test will initialize the display using displayio and draw a solid white
+background, a smaller black rectangle, and some white text.
+"""
+
 import board
-import busio
 import displayio
+import terminalio
+from adafruit_display_text import label
 import adafruit_ssd1325
 
 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.D9
-tft_dc = board.D8
-tft_reset = board.D7
+# 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)
+
+# Use for I2C
+# i2c = board.I2C()
+# display_bus = displayio.I2CDisplay(i2c, device_address=0x3c)
+
+WIDTH = 128
+HEIGHT = 64
+BORDER = 8
+FONTSCALE = 1
+
+display = adafruit_ssd1325.SSD1325(display_bus, width=WIDTH, height=HEIGHT)
+
+# Make the display context
+splash = displayio.Group(max_size=10)
+display.show(splash)
+
+color_bitmap = displayio.Bitmap(display.width, display.height, 1)
+color_palette = displayio.Palette(1)
+color_palette[0] = 0x888888 # White
+
+bg_sprite = displayio.TileGrid(color_bitmap,
+                               pixel_shader=color_palette,
+                               x=0, y=0)
+splash.append(bg_sprite)
+
+# Draw a smaller inner rectangle
+inner_bitmap = displayio.Bitmap(display.width - BORDER * 2, display.height - BORDER * 2, 1)
+inner_palette = displayio.Palette(1)
+inner_palette[0] = 0x000000 # Black
+inner_sprite = displayio.TileGrid(inner_bitmap,
+                                  pixel_shader=inner_palette,
+                                  x=BORDER, y=BORDER)
+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)
 
-display_bus = displayio.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)
+while True:
+    pass