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displayio driver for ST7735 TFT-LCD displays.

Project description

Introduction

Documentation Status Discord Build Status Code Style: Black

displayio driver for ST7735B TFT-LCD displays.

Hardware

This driver does not work for any current Adafruit Displays. It is intended to be used with displays with an ST7735B or similar chipset and was created using initialization codes from the Arduino Library. If you have a newer Adafruit Display with a ST7735R or ST7735S chip, please visit the Adafruit ST7735R Driver.

Dependencies

This driver depends on:

Please ensure all dependencies are available on the CircuitPython filesystem. This is easily achieved by downloading the Adafruit library and driver bundle.

Usage Example

import board
import displayio
from adafruit_st7735 import ST7735

spi = board.SPI()
tft_cs = board.D5
tft_dc = board.D6

displayio.release_displays()
display_bus = displayio.FourWire(spi, command=tft_dc, chip_select=tft_cs, reset=board.D9)

display = ST7735(display_bus, width=128, height=128)

# Make the display context
splash = displayio.Group()
display.root_group = splash

color_bitmap = displayio.Bitmap(128, 128, 1)
color_palette = displayio.Palette(1)
color_palette[0] = 0xFF0000

bg_sprite = displayio.TileGrid(color_bitmap,
                               pixel_shader=color_palette,
                               x=0, y=0)
splash.append(bg_sprite)

while True:
    pass

Documentation

API documentation for this library can be found on Read the Docs.

For information on building library documentation, please check out this guide.

Contributing

Contributions are welcome! Please read our Code of Conduct before contributing to help this project stay welcoming.

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