MediusInstall

LED

led overrides one of the box's two green status LEDs; LedMode::Auto returns it to the status display. Fire-and-forget: one frame, no reply.

ledOverride or restore a status LED

fn led(&self, target: LedTarget, mode: LedMode, level: u8) -> Result<()>

Fire-and-forget

ParameterTypeDescription
targetLedTargetWhich chip's LED.
modeLedModeRestore the chip's status display, or override it.
levelu8Brightness 0-255 for Solid and Blink; ignored otherwise.

An override returns to the status display on Auto, control-PC silence, reset, or inter-chip link loss. Each chip's status patterns are on the native LED command.

EXAMPLE
use medius::{Device, LedTarget, LedMode};

let device = Device::find()?;
device.led(LedTarget::Both, LedMode::Blink, 200)?;   // both LEDs blink, bright
device.led(LedTarget::Device, LedMode::Auto, 0)?;    // back to the status display

On AsyncDeviceStill fire-and-forget, no await

AsyncDevice re-exposes led unchanged: no reply, so no .await and no block_on. Only queries are async.

EXAMPLE
use medius::{AsyncDevice, LedTarget, LedMode};

let device = AsyncDevice::open("/dev/ttyACM0")?;
device.led(LedTarget::Host, LedMode::Solid, 128)?;   // sync, no await