Skip to content

Create st7789_240x135_simpletest_Pimoroni_Pico_Display_Pack.py #21

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 2 commits into from
Feb 10, 2021
Merged
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
68 changes: 68 additions & 0 deletions examples/st7789_240x135_simpletest_Pimoroni_Pico_Display_Pack.py
Original file line number Diff line number Diff line change
@@ -0,0 +1,68 @@
# SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries
# SPDX-License-Identifier: MIT

import board
import busio
import terminalio
import displayio
from adafruit_display_text import label
from adafruit_st7789 import ST7789

# First set some parameters used for shapes and text
BORDER = 20
FONTSCALE = 2
BACKGROUND_COLOR = 0x00FF00 # Bright Green
FOREGROUND_COLOR = 0xAA0088 # Purple
TEXT_COLOR = 0xFFFF00

# Release any resources currently in use for the displays
displayio.release_displays()

tft_cs = board.GP17
tft_dc = board.GP16
spi_mosi = board.GP19
spi_clk = board.GP18
spi = busio.SPI(spi_clk, spi_mosi)

display_bus = displayio.FourWire(spi, command=tft_dc, chip_select=tft_cs)
display = ST7789(
display_bus, rotation=270, width=240, height=135, rowstart=40, colstart=53
)

# Make the display context
splash = displayio.Group(max_size=10)
display.show(splash)

color_bitmap = displayio.Bitmap(display.width, display.height, 1)
color_palette = displayio.Palette(1)
color_palette[0] = BACKGROUND_COLOR

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 - BORDER * 2, display.height - BORDER * 2, 1
)
inner_palette = displayio.Palette(1)
inner_palette[0] = FOREGROUND_COLOR
inner_sprite = displayio.TileGrid(
inner_bitmap, pixel_shader=inner_palette, x=BORDER, y=BORDER
)
splash.append(inner_sprite)

# Draw a label
text = "Hello World!"
text_area = label.Label(terminalio.FONT, text=text, color=TEXT_COLOR)
text_width = text_area.bounding_box[2] * FONTSCALE
text_group = displayio.Group(
max_size=10,
scale=FONTSCALE,
x=display.width // 2 - text_width // 2,
y=display.height // 2,
)
text_group.append(text_area) # Subgroup for text scaling
splash.append(text_group)

while True:
pass