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Updated example to make it easier to change between different breakouts #4

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Sep 21, 2019
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Updated example to make it easier to change between different breakouts #4

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31 changes: 20 additions & 11 deletions examples/displayio_ssd1306_simpletest.py
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Original file line number Diff line number Diff line change
Expand Up @@ -11,20 +11,29 @@

displayio.release_displays()

spi = board.SPI()
oled_cs = board.D5
oled_dc = board.D6
oled_reset = board.D9
# Use for I2C
i2c = board.I2C()
display_bus = displayio.I2CDisplay(i2c, device_address=0x3c)

display_bus = displayio.FourWire(spi, command=oled_dc, chip_select=oled_cs,
reset=oled_reset, baudrate=1000000)
display = adafruit_displayio_ssd1306.SSD1306(display_bus, width=128, height=64)
# Use for SPI
#spi = board.SPI()
#oled_cs = board.D5
#oled_dc = board.D6
#oled_reset = board.D9
#display_bus = displayio.FourWire(spi, command=oled_dc, chip_select=oled_cs,
# reset=oled_reset, baudrate=1000000)

WIDTH = 128
HEIGHT = 32 # Change to 64 if needed
BORDER = 5

display = adafruit_displayio_ssd1306.SSD1306(display_bus, width=WIDTH, height=HEIGHT)

# Make the display context
splash = displayio.Group(max_size=10)
display.show(splash)

color_bitmap = displayio.Bitmap(128, 64, 1)
color_bitmap = displayio.Bitmap(WIDTH, HEIGHT, 1)
color_palette = displayio.Palette(1)
color_palette[0] = 0xFFFFFF # White

Expand All @@ -34,17 +43,17 @@
splash.append(bg_sprite)

# Draw a smaller inner rectangle
inner_bitmap = displayio.Bitmap(118, 54, 1)
inner_bitmap = displayio.Bitmap(WIDTH-BORDER*2, 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=5, y=5)
x=BORDER, y=BORDER)
splash.append(inner_sprite)

# Draw a label
text = "Hello World!"
text_area = label.Label(terminalio.FONT, text=text, color=0xFFFFFF, x=28, y=32)
text_area = label.Label(terminalio.FONT, text=text, color=0xFFFFFF, x=28, y=HEIGHT//2-1)
splash.append(text_area)

while True:
Expand Down