#display #embedded-graphics #driver #frame-buffer #screen #image #st7789v2

st7789v2_driver

Display Driver to Support for ST7789V2 LCD 1.69 inch with embedded-graphics support

1 unstable release

0.1.0 Sep 24, 2024

#864 in Hardware support

MIT license

38KB
485 lines

ST7789V2 Display Driver

This crate provides a driver for the ST7789V2 display, enabling basic operations such as initialization, clearing the screen, setting pixels, drawing images, and displaying buffers. The driver is built using the embedded-hal and embedded-graphics crates to ensure compatibility with various embedded platforms. The crate has been updated to accommodate the latest versions of embedded-hal and embedded-graphics.

toml

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[dependencies] embedded-hal = { version = "1.0.0" } embedded-graphics = { version = "0.7.1" }

Legacy Support in Version 0.3.2

For projects that still rely on the older version of the crate, version 0.3.2 continues to provide compatibility with embedded-graphics 0.7.1. This is useful for maintaining projects that use older libraries or hardware.

Features

  • Initialization of the ST7789V2 display
  • Clearing the screen
  • Setting individual pixels
  • Drawing images and displaying buffers
  • Partial updates to the display

Usage

Adding the Crate

To use this crate, add the following dependencies to your Cargo.toml:

  • embedded-hal
  • embedded-graphics
  • st7789v2_driver

API Overview

ST7789V2

The ST7789V2 struct provides methods to interact with the display. Key methods include:

  • new: Creates a new instance of the ST7789V2 driver.
  • init: Initializes the display with a given delay provider.
  • clear_screen: Clears the screen with a specific color.
  • write_pixel: Sets the color of a single pixel.
  • draw_image: Draws an image from a slice of RGB565 data.
  • show: Displays the provided buffer on the screen.
  • show_region: Updates only the specified region of the display with the provided buffer.

FrameBuffer

The FrameBuffer struct represents a frame buffer and includes methods to manipulate it:

  • new: Creates a new frame buffer.
  • get_buffer: Returns a reference to the buffer.
  • clear: Clears the frame buffer with the specified color.
  • copy_region: Copies a region from another buffer into this buffer.

Contributing

Contributions are welcome! Please feel free to submit a pull request or open an issue.

License

This project is licensed under the MIT License - see the LICENSE file for details.

Dependencies

~3.5MB
~35K SLoC