Created
January 24, 2020 20:29
-
-
Save hierophect/1a9f14d3681d73dd7e003b8f41f6666e to your computer and use it in GitHub Desktop.
Screen testing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
import board | |
import displayio | |
import busio | |
import terminalio | |
import digitalio | |
import time | |
from adafruit_display_text import label | |
from adafruit_st7735r import ST7735R | |
displayio.release_displays() | |
spi = board.INTERNAL_SPI | |
tft_cs = board.DISP_CS | |
tft_dc = board.DISP_DC | |
display_bus = displayio.FourWire(spi, command=tft_dc, chip_select=tft_cs, reset=board.DISP_RST) | |
display = ST7735R(display_bus, width=160, height=128, rotation=90, backlight_pin=board.DISP_BL) | |
splash = displayio.Group(max_size=10) | |
display.show(splash) | |
color_bitmap = displayio.Bitmap(160, 128, 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(150, 118, 1) | |
inner_palette = displayio.Palette(1) | |
inner_palette[0] = 0xAA0088 # Purple | |
inner_sprite = displayio.TileGrid(inner_bitmap, | |
pixel_shader=inner_palette, | |
x=5, y=5) | |
splash.append(inner_sprite) | |
# Draw a label | |
text_group = displayio.Group(max_size=10, scale=2, x=11, y=64) | |
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 |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment