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Minor changes to the ST7789 1.47 Example that were required to work with raspberry pi pico w #34

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merged 5 commits into from
Jan 21, 2023
Merged

Minor changes to the ST7789 1.47 Example that were required to work with raspberry pi pico w #34

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54f169e
Small changes to work with Circuit Python 8 Beta 4 on Raspberry Pi Pi…
markmcgookin Nov 12, 2022
2b22b10
code format
FoamyGuy Nov 21, 2022
0dc0608
updated 1.47" screen simple test with Pico compatability and using bu…
markmcgookin Nov 22, 2022
fe87096
use builtin SPI bus. remove extra punctuation
FoamyGuy Jan 21, 2023
20dc9f3
code format. move import to apease pylint
FoamyGuy Jan 21, 2023
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20 changes: 16 additions & 4 deletions examples/st7789_172x320_1.47_simpletest.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3,25 +3,36 @@

"""
This test will initialize the display using displayio and draw a solid green
background, a smaller purple rectangle, and some yellow text.
background, a smaller purple rectangle, and some yellow text..
"""
import board
import busio
import terminalio
import displayio
from adafruit_display_text import label
from adafruit_st7789 import ST7789

BORDER_WIDTH = 20
BORDER_WIDTH = 28
TEXT_SCALE = 3

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

spi = board.SPI()
# built-in, silkscreen labelled SPI bus
spi = busio.SPI(board.SCK, board.MOSI, board.MISO)
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tft_cs = board.D5
tft_dc = board.D6
tft_rst = board.D9

# If using a Raspberry Pi Pico or Pico-w
# Uncomment the below code to use GP (General Purpose) pins
# instead of D (Digital)

# spi = busio.SPI(board.GP2, board.GP3, board.GP4)
# tft_cs = board.GP5
# tft_dc = board.GP6
# tft_rst = board.GP7

display_bus = displayio.FourWire(spi, command=tft_dc, chip_select=tft_cs, reset=tft_rst)

display = ST7789(display_bus, width=320, height=172, colstart=34, rotation=270)
Expand All @@ -40,6 +51,7 @@
inner_bitmap = displayio.Bitmap(
display.width - (BORDER_WIDTH * 2), display.height - (BORDER_WIDTH * 2), 1
)

inner_palette = displayio.Palette(1)
inner_palette[0] = 0xAA0088 # Purple
inner_sprite = displayio.TileGrid(
Expand All @@ -50,7 +62,7 @@
# Draw a label
text_area = label.Label(
terminalio.FONT,
text="Hello World!",
text="Hello World!!",
color=0xFFFF00,
scale=TEXT_SCALE,
anchor_point=(0.5, 0.5),
Expand Down