If you have issues running the example, you can always test your hardware by running a UF2 for your display from https://learn.adafruit.com/adafruit-qualia-esp32-s3-for-rgb666-displays/arduino-rainbow-demo
init_sequence_tl040wvs03 = bytes((
b'\xff\x05w\x01\x00\x00\x10'
b'\xc0\x02;\x00'
b'\xc1\x02\r\x02'
b'\xc2\x021\x05'
b'\xcd\x01\x08'
b'\xb0\x10\x00\x11\x18\x0e\x11\x06\x07\x08\x07"\x04\x12\x0f\xaa1\x18'
b'\xb1\x10\x00\x11\x19\x0e\x12\x07\x08\x08\x08"\x04\x11\x11\xa92\x18'
b'\xff\x05w\x01\x00\x00\x11'
b'\xb0\x01`'
b'\xb1\x012'
b'\xb2\x01\x07'
b'\xb3\x01\x80'
b'\xb5\x01I'
b'\xb7\x01\x85'
b'\xb8\x01!'
b'\xc1\x01x'
b'\xc2\x01x'
b'\xe0\x03\x00\x1b\x02'
b'\xe1\x0b\x08\xa0\x00\x00\x07\xa0\x00\x00\x00DD'
b'\xe2\x0c\x11\x11DD\xed\xa0\x00\x00\xec\xa0\x00\x00'
b'\xe3\x04\x00\x00\x11\x11'
b'\xe4\x02DD'
b'\xe5\x10\n\xe9\xd8\xa0\x0c\xeb\xd8\xa0\x0e\xed\xd8\xa0\x10\xef\xd8\xa0'
b'\xe6\x04\x00\x00\x11\x11'
b'\xe7\x02DD'
b'\xe8\x10\t\xe8\xd8\xa0\x0b\xea\xd8\xa0\r\xec\xd8\xa0\x0f\xee\xd8\xa0'
b'\xeb\x07\x02\x00\xe4\xe4\x88\x00@'
b'\xec\x02<\x00'
b'\xed\x10\xab\x89vT\x02\xff\xff\xff\xff\xff\xff Eg\x98\xba'
b'6\x01\x00'
b'\xff\x05w\x01\x00\x00\x13'
b'\xe5\x01\xe4'
b'\xff\x05w\x01\x00\x00\x00'
b':\x01f'
b'!\x80\n'
b'\x11\x80x'
b')\x00'
))
tft_timings = {
"frequency": 16000000,
"width": 480,
"height": 480,
"hsync_pulse_width": 2,
"hsync_back_porch": 44,
"hsync_front_porch": 50,
"hsync_idle_low": False,
"vsync_pulse_width": 2,
"vsync_back_porch": 18,
"vsync_front_porch": 16,
"vsync_idle_low": False,
"pclk_active_high": True,
"pclk_idle_high": False,
"de_idle_high": False,
}
from displayio import release_displays
release_displays()
import displayio
import busio
import board
import dotclockframebuffer
from framebufferio import FramebufferDisplay
tft_pins = dict(board.TFT_PINS)
tft_timings = {
"frequency": 16000000,
"width": 480,
"height": 480,
"hsync_pulse_width": 2,
"hsync_back_porch": 44,
"hsync_front_porch": 50,
"hsync_idle_low": False,
"vsync_pulse_width": 2,
"vsync_back_porch": 18,
"vsync_front_porch": 16,
"vsync_idle_low": False,
"pclk_active_high": True,
"pclk_idle_high": False,
"de_idle_high": False,
}
init_sequence = bytes((
b'\xff\x05w\x01\x00\x00\x10'
b'\xc0\x02;\x00'
b'\xc1\x02\r\x02'
b'\xc2\x021\x05'
b'\xcd\x01\x08'
b'\xb0\x10\x00\x11\x18\x0e\x11\x06\x07\x08\x07"\x04\x12\x0f\xaa1\x18'
b'\xb1\x10\x00\x11\x19\x0e\x12\x07\x08\x08\x08"\x04\x11\x11\xa92\x18'
b'\xff\x05w\x01\x00\x00\x11'
b'\xb0\x01`'
b'\xb1\x012'
b'\xb2\x01\x07'
b'\xb3\x01\x80'
b'\xb5\x01I'
b'\xb7\x01\x85'
b'\xb8\x01!'
b'\xc1\x01x'
b'\xc2\x01x'
b'\xe0\x03\x00\x1b\x02'
b'\xe1\x0b\x08\xa0\x00\x00\x07\xa0\x00\x00\x00DD'
b'\xe2\x0c\x11\x11DD\xed\xa0\x00\x00\xec\xa0\x00\x00'
b'\xe3\x04\x00\x00\x11\x11'
b'\xe4\x02DD'
b'\xe5\x10\n\xe9\xd8\xa0\x0c\xeb\xd8\xa0\x0e\xed\xd8\xa0\x10\xef\xd8\xa0'
b'\xe6\x04\x00\x00\x11\x11'
b'\xe7\x02DD'
b'\xe8\x10\t\xe8\xd8\xa0\x0b\xea\xd8\xa0\r\xec\xd8\xa0\x0f\xee\xd8\xa0'
b'\xeb\x07\x02\x00\xe4\xe4\x88\x00@'
b'\xec\x02<\x00'
b'\xed\x10\xab\x89vT\x02\xff\xff\xff\xff\xff\xff Eg\x98\xba'
b'6\x01\x00'
b'\xff\x05w\x01\x00\x00\x13'
b'\xe5\x01\xe4'
b'\xff\x05w\x01\x00\x00\x00'
b':\x01f'
b'!\x80\n'
b'\x11\x80x'
b')\x00'
))
board.I2C().deinit()
i2c = busio.I2C(board.SCL, board.SDA)
tft_io_expander = dict(board.TFT_IO_EXPANDER)
#tft_io_expander['i2c_address'] = 0x38 # uncomment for rev B
dotclockframebuffer.ioexpander_send_init_sequence(i2c, init_sequence, **tft_io_expander)
i2c.deinit()
bitmap = displayio.OnDiskBitmap("/display-ruler-720p.bmp")
fb = dotclockframebuffer.DotClockFramebuffer(**tft_pins, **tft_timings)
display = FramebufferDisplay(fb, auto_refresh=False)
# Create a TileGrid to hold the bitmap
tile_grid = displayio.TileGrid(bitmap, pixel_shader=bitmap.pixel_shader)
# Create a Group to hold the TileGrid
group = displayio.Group()
# Add the TileGrid to the Group
group.append(tile_grid)
# Add the Group to the Display
display.root_group = group
display.auto_refresh = True
# Loop forever so you can enjoy your image
while True:
pass
Download the following image into the root folder of of your CIRCUITPY drive:
Go ahead and save the example you your CircuitPython code.py and run the code. Your display should now look like this:
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