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
# )
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
)
splash.append(bg_sprite)
displayio.release_displays()
# 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
# )
time.sleep(1)
display = adafruit_ssd1327.SSD1327(display_bus, width=128, height=128)
g = displayio.Group()
dimension = min(display.width, display.height)
color_count = 16
gamma_pattern = displayio.Bitmap(dimension, dimension, color_count)
gamma_palette = displayio.Palette(color_count)
t = displayio.TileGrid(gamma_pattern, pixel_shader=gamma_palette)
pixels_per_step = dimension // color_count
for i in range(dimension):
if i % pixels_per_step == 0:
continue
gamma_pattern[i, i] = i // pixels_per_step
displayio.release_displays()
# i2c setup, higher frequency for display refresh
i2c = busio.I2C(board.GP1, board.GP0, frequency=1000000)
# i2c display setup
display_bus = displayio.I2CDisplay(i2c, device_address=0x3D)
# i2c AW9523 GPIO expander setup
aw = adafruit_aw9523.AW9523(i2c)
# MIDI setup as MIDI out device
midi = adafruit_midi.MIDI(midi_out=usb_midi.ports[1], out_channel=0)
# display dimensions
WIDTH = 128
HEIGHT = 128
# display setup
display = adafruit_ssd1327.SSD1327(display_bus, width=WIDTH, height=HEIGHT, brightness = 0.01)
# main display group, shows default GUI menu
splash = displayio.Group(max_size=60)
# group for circle icons
circle_group = displayio.Group(max_size=30)
# group for text labels on circles
text_group = displayio.Group(max_size=30)
# list of circle positions
spots = (
(16, 16),
(48, 16),
(80, 16),
(112, 16),
(16, 48),