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BrailleDisplay

A Braille pattern display module. This module display unicode braille patterns, country specific encoding have to be implemented by the clients.

import { BrailleDisplay } from "@devicescript/core"

const brailleDisplay = new BrailleDisplay()

Registers​

enabled​

Determines if the braille display is active.

  • type: Register<boolean> (packing format u8)

  • read and write

import { BrailleDisplay } from "@devicescript/core"

const brailleDisplay = new BrailleDisplay()
// ...
const value = await brailleDisplay.enabled.read()
await brailleDisplay.enabled.write(value)
  • track incoming values
import { BrailleDisplay } from "@devicescript/core"

const brailleDisplay = new BrailleDisplay()
// ...
brailleDisplay.enabled.subscribe(async (value) => {
    ...
})
note

write and read will block until a server is bound to the client.

length​

Gets the number of patterns that can be displayed.

  • type: Register<number> (packing format u8)

  • constant: the register value will not change (until the next reset)

  • read only

import { BrailleDisplay } from "@devicescript/core"

const brailleDisplay = new BrailleDisplay()
// ...
const value = await brailleDisplay.length.read()
note

write and read will block until a server is bound to the client.