A rust driver library to control WS2812B (NeoPixel) RGB LED pixels/strips using ESP32 RMT (Remote Control) module.
By disabling the carrier generator of the RMT's transmitter , it can be used as just a PWM signal generator for WS2812B data signal. This control way is the same as major Arduino/C++ library such as FastLED, Adafruit_NeoPixel.
The RMT (Remote Control) module is specific to ESP32. Hence, it can be used only for ESP32 SoC.
This library also support SK6812-RGBW 4-color LED pixels/strips (smart-leds API only).
Install rust with Xtensa support. Refer esp-rs/rust-build for the setup instruction.
Add following dependency to your Cargo.toml. Note that version is stripped in this example but it is recommended to
specify version explicitly in your project.
```toml [dependencies] esp-idf-sys = { version = "", features = ["binstart"] } smart-leds = ""
ws2812-esp32-rmt-driver = "*"
[build-dependencies] embuild = "*" anyhow = "1" ```
Refer examples/ directory for the source code.
Make ensure esp toolchain is available and xtensa-esp32-elf-clang is in your $PATH. And then, run as follows
console
$ cargo build
$ cargo espflash
features = ["embedded-graphics-core", "unstable"] to enable embedded-graphics
API ws2812_esp32_rmt_driver::lib_embedded_graphics.features = ["smart-leds"] or default to enable minimum smart-leds API.features = ["smart-leds", "unstable"] to enable detailed smart-leds API ws2812_esp32_rmt_driver::lib_smart_leds.To run the test locally, specify the local toolchain (stable, nightly, etc...) and target explicitly and disable
example builds (specify --lib)
.
console
$ cargo +stable test --target x86_64-unknown-linux-gnu --lib