61 lines
1.8 KiB
Python
61 lines
1.8 KiB
Python
# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
|
|
# SPDX-License-Identifier: MIT
|
|
|
|
"""
|
|
This test will initialize the display using displayio and draw a solid green
|
|
background, a smaller purple rectangle, and some yellow text. All drawing is done
|
|
using the displayio module.
|
|
|
|
Pinouts are for the PiTFT and should be run in CPython.
|
|
"""
|
|
import board
|
|
import terminalio
|
|
import displayio
|
|
from adafruit_display_text import label
|
|
import adafruit_ili9341
|
|
|
|
# Support both 8.x.x and 9.x.x. Change when 8.x.x is discontinued as a stable release.
|
|
try:
|
|
from fourwire import FourWire
|
|
except ImportError:
|
|
from displayio import FourWire
|
|
|
|
# Release any resources currently in use for the displays
|
|
displayio.release_displays()
|
|
|
|
spi = board.SPI()
|
|
tft_cs = board.CE0
|
|
tft_dc = board.D25
|
|
|
|
display_bus = FourWire(spi, command=tft_dc, chip_select=tft_cs)
|
|
display = adafruit_ili9341.ILI9341(display_bus, width=320, height=240)
|
|
|
|
# Make the display context
|
|
splash = displayio.Group()
|
|
display.root_group = splash
|
|
|
|
# Draw a green background
|
|
color_bitmap = displayio.Bitmap(display.width, display.height, 1)
|
|
color_palette = displayio.Palette(1)
|
|
color_palette[0] = 0x00FF00 # Bright Green
|
|
|
|
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 - 40, display.height - 40, 1)
|
|
inner_palette = displayio.Palette(1)
|
|
inner_palette[0] = 0xAA0088 # Purple
|
|
inner_sprite = displayio.TileGrid(inner_bitmap, pixel_shader=inner_palette, x=20, y=20)
|
|
splash.append(inner_sprite)
|
|
|
|
# Draw a label
|
|
text_group = displayio.Group(scale=3, x=57, y=120)
|
|
text = "Hello World!"
|
|
text_area = label.Label(terminalio.FONT, text=text, color=0xFFFF00)
|
|
text_group.append(text_area) # Subgroup for text scaling
|
|
splash.append(text_group)
|
|
|
|
while True:
|
|
pass
|