32 lines
1.2 KiB
Markdown
32 lines
1.2 KiB
Markdown
# Rust support for GrovePi
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## Introduction
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Rust Crate support for using GrovePi with Rust.
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Examples can be found in the relevant directories as `main.rs`.
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Check them out for usage.
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## Dependencies
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* Rust version above 1.65 is known to work.
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* The Rust crate [**rppal**](https://github.com/golemparts/rppal) is required and is referenced in the `Cargo.toml` file.
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## Current State
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As the initial state of this module the following features are implemented and tested:
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* Read/write data to I2C slave device [**Grove-LCD RGB Backlight**](https://wiki.seeedstudio.com/Grove-LCD_RGB_Backlight/) V. 4.0 present on ports I2C-1, I2C-2 or I2C-3.
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* Tested on Raspberry Pi 3, Model B and Raspberry Pi, Model B, Rev 2
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with Raspbian version: September 2022
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## Cross compile for Rasbperry Pi
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Follow the setup instructions from - (https://github.com/cross-rs/cross)
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Then `cross build --target arm-unknown-linux-gnueabi`. A pi-ready
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and transfer the binary (`target/arm-unknown-linux-gnueabi/debug/airq`) to the Pi.
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Run the binary `grove_rgb_lcd` on the Pi and observe a couple debug messages and changing colors.
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## Add the module `grove_rgb_lcd` to your projects
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Be sure to add the `rppal` dependency to your `Cargo.toml`
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