63 lines
1.7 KiB
Python
63 lines
1.7 KiB
Python
# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
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# SPDX-License-Identifier: MIT
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"""
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This test will initialize the display using displayio and draw a solid green
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background, a smaller purple rectangle, and some yellow text.
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Pinouts are for the 2.8" TFT Shield
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"""
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import board
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import displayio
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import terminalio
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from adafruit_display_text import label
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from fourwire import FourWire
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import adafruit_ili9341
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# Release any resources currently in use for the displays
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displayio.release_displays()
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# Use Hardware SPI
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spi = board.SPI()
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# Use Software SPI if you have a shield with pins 11-13 jumpered
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# import busio
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# spi = busio.SPI(board.D11, board.D13)
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tft_cs = board.D10
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tft_dc = board.D9
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display_bus = FourWire(spi, command=tft_dc, chip_select=tft_cs)
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display = adafruit_ili9341.ILI9341(display_bus, width=320, height=240)
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# Make the display context
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splash = displayio.Group()
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display.root_group = splash
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# Draw a green background
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color_bitmap = displayio.Bitmap(320, 240, 1)
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color_palette = displayio.Palette(1)
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color_palette[0] = 0x00FF00 # Bright Green
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bg_sprite = displayio.TileGrid(color_bitmap, pixel_shader=color_palette, x=0, y=0)
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splash.append(bg_sprite)
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# Draw a smaller inner rectangle
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inner_bitmap = displayio.Bitmap(280, 200, 1)
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inner_palette = displayio.Palette(1)
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inner_palette[0] = 0xAA0088 # Purple
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inner_sprite = displayio.TileGrid(inner_bitmap, pixel_shader=inner_palette, x=20, y=20)
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splash.append(inner_sprite)
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# Draw a label
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text_group = displayio.Group(scale=3, x=57, y=120)
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text = "Hello World!"
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text_area = label.Label(terminalio.FONT, text=text, color=0xFFFF00)
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text_group.append(text_area) # Subgroup for text scaling
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splash.append(text_group)
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while True:
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pass
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